core: vm: group min gas price with related state variables (#257)

4 files changed, 24 insertions, 24 deletions

diff --git a/core/vm/oracle_contract_abi.go b/core/vm/oracle_contract_abi.go
index e06adf633..cd45e2754 100644
--- a/core/vm/oracle_contract_abi.go
+++ b/core/vm/oracle_contract_abi.go
@@ -763,6 +763,10 @@ const GovernanceABIJSON = `
         "type": "uint256"
       },
       {
+        "name": "MinGasPrice",
+        "type": "uint256"
+      },
+      {
         "name": "BlockGasLimit",
         "type": "uint256"
       },
@@ -793,10 +797,6 @@ const GovernanceABIJSON = `
       {
         "name": "FineValues",
         "type": "uint256[]"
-      },
-      {
-        "name": "MinGasPrice",
-        "type": "uint256"
       }
     ],
     "name": "updateConfiguration",
diff --git a/core/vm/oracle_contracts.go b/core/vm/oracle_contracts.go
index 836489420..37e734a5f 100644
--- a/core/vm/oracle_contracts.go
+++ b/core/vm/oracle_contracts.go
@@ -84,7 +84,7 @@ const (
 	minBlockIntervalLoc
 	fineValuesLoc
 	finedRecordsLoc
-	minGasPriceLoc
+	minGasPriceLoc // TODO(w): reorder this before mainnet
 )
 
 func publicKeyToNodeKeyAddress(pkBytes []byte) (common.Address, error) {
@@ -729,6 +729,11 @@ func (s *GovernanceState) MiningHalved() {
 	s.IncNextHalvingSupply(s.LastHalvedAmount())
 }
 
+// uint256 public minGasPrice;
+func (s *GovernanceState) MinGasPrice() *big.Int {
+	return s.getStateBigInt(big.NewInt(minGasPriceLoc))
+}
+
 // uint256 public blockGasLimit;
 func (s *GovernanceState) BlockGasLimit() *big.Int {
 	return s.getStateBigInt(big.NewInt(blockGasLimitLoc))
@@ -803,11 +808,6 @@ func (s *GovernanceState) SetFineRecords(recordHash Bytes32, status bool) {
 	s.setStateBigInt(loc, big.NewInt(value))
 }
 
-// uint256 public minGasPrice;
-func (s *GovernanceState) MinGasPrice() *big.Int {
-	return s.getStateBigInt(big.NewInt(minGasPriceLoc))
-}
-
 // Initialize initializes governance contract state.
 func (s *GovernanceState) Initialize(config *params.DexconConfig, totalSupply *big.Int) {
 	if config.NextHalvingSupply.Cmp(totalSupply) <= 0 {
@@ -875,6 +875,7 @@ func (s *GovernanceState) Configuration() *params.DexconConfig {
 		MiningVelocity:    float32(s.getStateBigInt(big.NewInt(miningVelocityLoc)).Uint64()) / decimalMultiplier,
 		NextHalvingSupply: s.getStateBigInt(big.NewInt(nextHalvingSupplyLoc)),
 		LastHalvedAmount:  s.getStateBigInt(big.NewInt(lastHalvedAmountLoc)),
+		MinGasPrice:       s.getStateBigInt(big.NewInt(minGasPriceLoc)),
 		BlockGasLimit:     s.getStateBigInt(big.NewInt(blockGasLimitLoc)).Uint64(),
 		LambdaBA:          s.getStateBigInt(big.NewInt(lambdaBALoc)).Uint64(),
 		LambdaDKG:         s.getStateBigInt(big.NewInt(lambdaDKGLoc)).Uint64(),
@@ -883,7 +884,6 @@ func (s *GovernanceState) Configuration() *params.DexconConfig {
 		RoundLength:       s.getStateBigInt(big.NewInt(roundLengthLoc)).Uint64(),
 		MinBlockInterval:  s.getStateBigInt(big.NewInt(minBlockIntervalLoc)).Uint64(),
 		FineValues:        s.FineValues(),
-		MinGasPrice:       s.getStateBigInt(big.NewInt(minGasPriceLoc)),
 	}
 }
 
@@ -894,6 +894,7 @@ func (s *GovernanceState) UpdateConfiguration(cfg *params.DexconConfig) {
 	s.setStateBigInt(big.NewInt(miningVelocityLoc), big.NewInt(int64(cfg.MiningVelocity*decimalMultiplier)))
 	s.setStateBigInt(big.NewInt(nextHalvingSupplyLoc), cfg.NextHalvingSupply)
 	s.setStateBigInt(big.NewInt(lastHalvedAmountLoc), cfg.LastHalvedAmount)
+	s.setStateBigInt(big.NewInt(minGasPriceLoc), cfg.MinGasPrice)
 	s.setStateBigInt(big.NewInt(blockGasLimitLoc), big.NewInt(int64(cfg.BlockGasLimit)))
 	s.setStateBigInt(big.NewInt(lambdaBALoc), big.NewInt(int64(cfg.LambdaBA)))
 	s.setStateBigInt(big.NewInt(lambdaDKGLoc), big.NewInt(int64(cfg.LambdaDKG)))
@@ -902,13 +903,13 @@ func (s *GovernanceState) UpdateConfiguration(cfg *params.DexconConfig) {
 	s.setStateBigInt(big.NewInt(roundLengthLoc), big.NewInt(int64(cfg.RoundLength)))
 	s.setStateBigInt(big.NewInt(minBlockIntervalLoc), big.NewInt(int64(cfg.MinBlockInterval)))
 	s.SetFineValues(cfg.FineValues)
-	s.setStateBigInt(big.NewInt(minGasPriceLoc), cfg.MinGasPrice)
 }
 
 type rawConfigStruct struct {
 	MinStake         *big.Int
 	LockupPeriod     *big.Int
 	BlockGasLimit    *big.Int
+	MinGasPrice      *big.Int
 	LambdaBA         *big.Int
 	LambdaDKG        *big.Int
 	NotarySetSize    *big.Int
@@ -916,13 +917,13 @@ type rawConfigStruct struct {
 	RoundLength      *big.Int
 	MinBlockInterval *big.Int
 	FineValues       []*big.Int
-	MinGasPrice      *big.Int
 }
 
 // UpdateConfigurationRaw updates system configuration.
 func (s *GovernanceState) UpdateConfigurationRaw(cfg *rawConfigStruct) {
 	s.setStateBigInt(big.NewInt(minStakeLoc), cfg.MinStake)
 	s.setStateBigInt(big.NewInt(lockupPeriodLoc), cfg.LockupPeriod)
+	s.setStateBigInt(big.NewInt(minGasPriceLoc), cfg.MinGasPrice)
 	s.setStateBigInt(big.NewInt(blockGasLimitLoc), cfg.BlockGasLimit)
 	s.setStateBigInt(big.NewInt(lambdaBALoc), cfg.LambdaBA)
 	s.setStateBigInt(big.NewInt(lambdaDKGLoc), cfg.LambdaDKG)
@@ -931,7 +932,6 @@ func (s *GovernanceState) UpdateConfigurationRaw(cfg *rawConfigStruct) {
 	s.setStateBigInt(big.NewInt(roundLengthLoc), cfg.RoundLength)
 	s.setStateBigInt(big.NewInt(minBlockIntervalLoc), cfg.MinBlockInterval)
 	s.SetFineValues(cfg.FineValues)
-	s.setStateBigInt(big.NewInt(minGasPriceLoc), cfg.MinGasPrice)
 }
 
 // event ConfigurationChanged();
diff --git a/core/vm/oracle_contracts_test.go b/core/vm/oracle_contracts_test.go
index 436923aa3..4539f0864 100644
--- a/core/vm/oracle_contracts_test.go
+++ b/core/vm/oracle_contracts_test.go
@@ -487,6 +487,7 @@ func (g *OracleContractsTestSuite) TestUpdateConfiguration() {
 	input, err := GovernanceABI.ABI.Pack("updateConfiguration",
 		new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e6)),
 		big.NewInt(1000),
+		big.NewInt(2e9),
 		big.NewInt(8000000),
 		big.NewInt(250),
 		big.NewInt(2500),
@@ -494,8 +495,7 @@ func (g *OracleContractsTestSuite) TestUpdateConfiguration() {
 		big.NewInt(4),
 		big.NewInt(600),
 		big.NewInt(900),
-		[]*big.Int{big.NewInt(1), big.NewInt(1), big.NewInt(1)},
-		big.NewInt(2e9))
+		[]*big.Int{big.NewInt(1), big.NewInt(1), big.NewInt(1)})
 	g.Require().NoError(err)
 
 	// Call with non-owner.
diff --git a/params/config.go b/params/config.go
index 6ad7fff67..648661bff 100644
--- a/params/config.go
+++ b/params/config.go
@@ -54,6 +54,7 @@ var (
 			MiningVelocity:    0.1875,
 			NextHalvingSupply: new(big.Int).Mul(big.NewInt(1e18), big.NewInt(2.5e9)),
 			LastHalvedAmount:  new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1.5e9)),
+			MinGasPrice:       new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 			BlockGasLimit:     40000000,
 			LambdaBA:          250,
 			LambdaDKG:         2500,
@@ -66,7 +67,6 @@ var (
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e4)),
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			},
-			MinGasPrice: new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 		},
 	}
 
@@ -100,6 +100,7 @@ var (
 			MiningVelocity:    0.1875,
 			NextHalvingSupply: new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1.8e8)),
 			LastHalvedAmount:  new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1.6e7)),
+			MinGasPrice:       new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 			BlockGasLimit:     80000000,
 			LambdaBA:          250,
 			LambdaDKG:         10000,
@@ -112,7 +113,6 @@ var (
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e4)),
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			},
-			MinGasPrice: new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 		},
 	}
 
@@ -137,6 +137,7 @@ var (
 			MiningVelocity:    0.1875,
 			NextHalvingSupply: new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1.8e8)),
 			LastHalvedAmount:  new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1.6e7)),
+			MinGasPrice:       new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 			BlockGasLimit:     21000 * 5000,
 			LambdaBA:          250,
 			LambdaDKG:         10000,
@@ -149,7 +150,6 @@ var (
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e4)),
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			},
-			MinGasPrice: new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 		},
 	}
 
@@ -182,6 +182,7 @@ var (
 			MiningVelocity:    0.1875,
 			NextHalvingSupply: new(big.Int).Mul(big.NewInt(1e18), big.NewInt(2e7)),
 			LastHalvedAmount:  new(big.Int).Mul(big.NewInt(1e18), big.NewInt(4e6)),
+			MinGasPrice:       new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 			BlockGasLimit:     21000 * 5000,
 			LambdaBA:          250,
 			LambdaDKG:         10000,
@@ -194,7 +195,6 @@ var (
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e4)),
 				new(big.Int).Mul(big.NewInt(1e18), big.NewInt(1e5)),
 			},
-			MinGasPrice: new(big.Int).Mul(big.NewInt(1e9), big.NewInt(1)),
 		},
 	}
 
@@ -324,6 +324,7 @@ type DexconConfig struct {
 	MiningVelocity    float32        `json:"miningVelocity"`
 	NextHalvingSupply *big.Int       `json:"nextHalvingSupply"`
 	LastHalvedAmount  *big.Int       `json:"lastHalvedAmount"`
+	MinGasPrice       *big.Int       `json:"minGasPrice"`
 	BlockGasLimit     uint64         `json:"blockGasLimit"`
 	LambdaBA          uint64         `json:"lambdaBA"`
 	LambdaDKG         uint64         `json:"lambdaDKG"`
@@ -332,20 +333,19 @@ type DexconConfig struct {
 	RoundLength       uint64         `json:"roundLength"`
 	MinBlockInterval  uint64         `json:"minBlockInterval"`
 	FineValues        []*big.Int     `json:"fineValues"`
-	MinGasPrice       *big.Int       `json:"minGasPrice"`
 }
 
 type dexconConfigSpecMarshaling struct {
 	MinStake          *math.HexOrDecimal256
 	NextHalvingSupply *math.HexOrDecimal256
 	LastHalvedAmount  *math.HexOrDecimal256
-	FineValues        []*math.HexOrDecimal256
 	MinGasPrice       *math.HexOrDecimal256
+	FineValues        []*math.HexOrDecimal256
 }
 
 // String implements the stringer interface, returning the consensus engine details.
 func (d *DexconConfig) String() string {
-	return fmt.Sprintf("{GenesisCRSText: %v Owner: %v MinStake: %v LockupPeriod: %v MiningVelocity: %v NextHalvingSupply: %v LastHalvedAmount: %v BlockGasLimit: %v LambdaBA: %v LambdaDKG: %v NotarySetSize: %v DKGSetSize: %v RoundLength: %v MinBlockInterval: %v FineValues: %v MinGasPrice: %v}",
+	return fmt.Sprintf("{GenesisCRSText: %v Owner: %v MinStake: %v LockupPeriod: %v MiningVelocity: %v NextHalvingSupply: %v LastHalvedAmount: %v MinGasPrice: %v BlockGasLimit: %v LambdaBA: %v LambdaDKG: %v NotarySetSize: %v DKGSetSize: %v RoundLength: %v MinBlockInterval: %v FineValues: %v}",
 		d.GenesisCRSText,
 		d.Owner,
 		d.MinStake,
@@ -353,6 +353,7 @@ func (d *DexconConfig) String() string {
 		d.MiningVelocity,
 		d.NextHalvingSupply,
 		d.LastHalvedAmount,
+		d.MinGasPrice,
 		d.BlockGasLimit,
 		d.LambdaBA,
 		d.LambdaDKG,
@@ -361,7 +362,6 @@ func (d *DexconConfig) String() string {
 		d.RoundLength,
 		d.MinBlockInterval,
 		d.FineValues,
-		d.MinGasPrice,
 	)
 }