diff options
Diffstat (limited to 'params/protocol_params.go')
| -rw-r--r-- | params/protocol_params.go | 100 |
1 files changed, 51 insertions, 49 deletions
diff --git a/params/protocol_params.go b/params/protocol_params.go index f5b6bedeb..f48bf4992 100644 --- a/params/protocol_params.go +++ b/params/protocol_params.go @@ -18,56 +18,58 @@ package params import "math/big" -var ( - MaximumExtraDataSize = big.NewInt(32) // Maximum size extra data may be after Genesis. - ExpByteGas = big.NewInt(10) // Times ceil(log256(exponent)) for the EXP instruction. - SloadGas = big.NewInt(50) // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. - CallValueTransferGas = big.NewInt(9000) // Paid for CALL when the value transfer is non-zero. - CallNewAccountGas = big.NewInt(25000) // Paid for CALL when the destination address didn't exist prior. - TxGas = big.NewInt(21000) // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. - TxGasContractCreation = big.NewInt(53000) // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. - TxDataZeroGas = big.NewInt(4) // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. - DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. - QuadCoeffDiv = big.NewInt(512) // Divisor for the quadratic particle of the memory cost equation. - GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block. - DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not. - SstoreSetGas = big.NewInt(20000) // Once per SLOAD operation. - LogDataGas = big.NewInt(8) // Per byte in a LOG* operation's data. - CallStipend = big.NewInt(2300) // Free gas given at beginning of call. - EcrecoverGas = big.NewInt(3000) // - Sha256WordGas = big.NewInt(12) // - - MinGasLimit = big.NewInt(5000) // Minimum the gas limit may ever be. - GenesisGasLimit = big.NewInt(4712388) // Gas limit of the Genesis block. - TargetGasLimit = new(big.Int).Set(GenesisGasLimit) // The artificial target +const ( + MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis. + ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction. + SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. + CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero. + CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior. + TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. + TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. + TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. + QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation. + SstoreSetGas uint64 = 20000 // Once per SLOAD operation. + LogDataGas uint64 = 8 // Per byte in a LOG* operation's data. + CallStipend uint64 = 2300 // Free gas given at beginning of call. + EcrecoverGas uint64 = 3000 // + Sha256WordGas uint64 = 12 // - Sha3Gas = big.NewInt(30) // Once per SHA3 operation. - Sha256Gas = big.NewInt(60) // - IdentityWordGas = big.NewInt(3) // - Sha3WordGas = big.NewInt(6) // Once per word of the SHA3 operation's data. - SstoreResetGas = big.NewInt(5000) // Once per SSTORE operation if the zeroness changes from zero. - SstoreClearGas = big.NewInt(5000) // Once per SSTORE operation if the zeroness doesn't change. - SstoreRefundGas = big.NewInt(15000) // Once per SSTORE operation if the zeroness changes to zero. - JumpdestGas = big.NewInt(1) // Refunded gas, once per SSTORE operation if the zeroness changes to zero. - IdentityGas = big.NewInt(15) // - GasLimitBoundDivisor = big.NewInt(1024) // The bound divisor of the gas limit, used in update calculations. - EpochDuration = big.NewInt(30000) // Duration between proof-of-work epochs. - CallGas = big.NewInt(40) // Once per CALL operation & message call transaction. - CreateDataGas = big.NewInt(200) // - Ripemd160Gas = big.NewInt(600) // - Ripemd160WordGas = big.NewInt(120) // - MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be. - CallCreateDepth = big.NewInt(1024) // Maximum depth of call/create stack. - ExpGas = big.NewInt(10) // Once per EXP instruction. - LogGas = big.NewInt(375) // Per LOG* operation. - CopyGas = big.NewInt(3) // - StackLimit = big.NewInt(1024) // Maximum size of VM stack allowed. - TierStepGas = big.NewInt(0) // Once per operation, for a selection of them. - LogTopicGas = big.NewInt(375) // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas. - CreateGas = big.NewInt(32000) // Once per CREATE operation & contract-creation transaction. - SuicideRefundGas = big.NewInt(24000) // Refunded following a suicide operation. - MemoryGas = big.NewInt(3) // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL. - TxDataNonZeroGas = big.NewInt(68) // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions. + Sha3Gas uint64 = 30 // Once per SHA3 operation. + Sha256Gas uint64 = 60 // + IdentityWordGas uint64 = 3 // + Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. + SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. + SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change. + SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero. + JumpdestGas uint64 = 1 // Refunded gas, once per SSTORE operation if the zeroness changes to zero. + IdentityGas uint64 = 15 // + EpochDuration uint64 = 30000 // Duration between proof-of-work epochs. + CallGas uint64 = 40 // Once per CALL operation & message call transaction. + CreateDataGas uint64 = 200 // + Ripemd160Gas uint64 = 600 // + Ripemd160WordGas uint64 = 120 // + CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack. + ExpGas uint64 = 10 // Once per EXP instruction + LogGas uint64 = 375 // Per LOG* operation. + CopyGas uint64 = 3 // + StackLimit uint64 = 1024 // Maximum size of VM stack allowed. + TierStepGas uint64 = 0 // Once per operation, for a selection of them. + LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas. + CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction. + SuicideRefundGas uint64 = 24000 // Refunded following a suicide operation. + MemoryGas uint64 = 3 // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL. + TxDataNonZeroGas uint64 = 68 // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions. MaxCodeSize = 24576 ) + +var ( + GasLimitBoundDivisor = big.NewInt(1024) // The bound divisor of the gas limit, used in update calculations. + MinGasLimit = big.NewInt(5000) // Minimum the gas limit may ever be. + GenesisGasLimit = big.NewInt(4712388) // Gas limit of the Genesis block. + TargetGasLimit = new(big.Int).Set(GenesisGasLimit) // The artificial target + DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. + GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block. + MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be. + DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not. +) |