github.com/xfers/quorum@v21.1.0+incompatible/params/protocol_params.go (about) 1 // Copyright 2015 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package params 18 19 import "math/big" 20 21 const ( 22 // these are original values from upstream Geth, used in ethash consensus 23 OriginalMinGasLimit uint64 = 5000 // The bound divisor of the gas limit, used in update calculations. 24 OriginalGasLimitBoundDivisor uint64 = 1024 // Minimum the gas limit may ever be. 25 26 // modified values for Quorum 27 GasLimitBoundDivisor uint64 = 4096 // The bound divisor of the gas limit, used in update calculations. 28 MinGasLimit uint64 = 700000000 // Minimum the gas limit may ever be. 29 GenesisGasLimit uint64 = 800000000 // Gas limit of the Genesis block. 30 31 MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis. 32 ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction. 33 SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. 34 CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero. 35 CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior. 36 TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. 37 TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. 38 TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. 39 QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation. 40 LogDataGas uint64 = 8 // Per byte in a LOG* operation's data. 41 CallStipend uint64 = 2300 // Free gas given at beginning of call. 42 43 Sha3Gas uint64 = 30 // Once per SHA3 operation. 44 Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. 45 46 SstoreSetGas uint64 = 20000 // Once per SLOAD operation. 47 SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. 48 SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change. 49 SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero. 50 51 NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change. 52 NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero. 53 NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero. 54 NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty. 55 56 NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot 57 NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value 58 NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value 59 60 SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed 61 SstoreNoopGasEIP2200 uint64 = 800 // Once per SSTORE operation if the value doesn't change. 62 SstoreDirtyGasEIP2200 uint64 = 800 // Once per SSTORE operation if a dirty value is changed. 63 SstoreInitGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero 64 SstoreInitRefundEIP2200 uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value 65 SstoreCleanGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else 66 SstoreCleanRefundEIP2200 uint64 = 4200 // Once per SSTORE operation for resetting to the original non-zero value 67 SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot 68 69 JumpdestGas uint64 = 1 // Once per JUMPDEST operation. 70 EpochDuration uint64 = 30000 // Duration between proof-of-work epochs. 71 72 CreateDataGas uint64 = 200 // 73 CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack. 74 ExpGas uint64 = 10 // Once per EXP instruction 75 LogGas uint64 = 375 // Per LOG* operation. 76 CopyGas uint64 = 3 // 77 StackLimit uint64 = 1024 // Maximum size of VM stack allowed. 78 TierStepGas uint64 = 0 // Once per operation, for a selection of them. 79 LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas. 80 CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction. 81 Create2Gas uint64 = 32000 // Once per CREATE2 operation 82 SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation. 83 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. 84 TxDataNonZeroGasFrontier 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. 85 TxDataNonZeroGasEIP2028 uint64 = 16 // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul) 86 87 // These have been changed during the course of the chain 88 CallGasFrontier uint64 = 40 // Once per CALL operation & message call transaction. 89 CallGasEIP150 uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine) 90 BalanceGasFrontier uint64 = 20 // The cost of a BALANCE operation 91 BalanceGasEIP150 uint64 = 400 // The cost of a BALANCE operation after Tangerine 92 BalanceGasEIP1884 uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul) 93 ExtcodeSizeGasFrontier uint64 = 20 // Cost of EXTCODESIZE before EIP 150 (Tangerine) 94 ExtcodeSizeGasEIP150 uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine) 95 SloadGasFrontier uint64 = 50 96 SloadGasEIP150 uint64 = 200 97 SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul) 98 ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople) 99 ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul) 100 SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine) 101 102 // EXP has a dynamic portion depending on the size of the exponent 103 ExpByteFrontier uint64 = 10 // was set to 10 in Frontier 104 ExpByteEIP158 uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon) 105 106 // Extcodecopy has a dynamic AND a static cost. This represents only the 107 // static portion of the gas. It was changed during EIP 150 (Tangerine) 108 ExtcodeCopyBaseFrontier uint64 = 20 109 ExtcodeCopyBaseEIP150 uint64 = 700 110 111 // CreateBySelfdestructGas is used when the refunded account is one that does 112 // not exist. This logic is similar to call. 113 // Introduced in Tangerine Whistle (Eip 150) 114 CreateBySelfdestructGas uint64 = 25000 115 116 MaxCodeSize = 24576 // Maximum bytecode to permit for a contract 117 118 // Precompiled contract gas prices 119 120 EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price 121 Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation 122 Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation 123 Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation 124 Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation 125 IdentityBaseGas uint64 = 15 // Base price for a data copy operation 126 IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation 127 ModExpQuadCoeffDiv uint64 = 20 // Divisor for the quadratic particle of the big int modular exponentiation 128 129 Bn256AddGasByzantium uint64 = 500 // Byzantium gas needed for an elliptic curve addition 130 Bn256AddGasIstanbul uint64 = 150 // Gas needed for an elliptic curve addition 131 Bn256ScalarMulGasByzantium uint64 = 40000 // Byzantium gas needed for an elliptic curve scalar multiplication 132 Bn256ScalarMulGasIstanbul uint64 = 6000 // Gas needed for an elliptic curve scalar multiplication 133 Bn256PairingBaseGasByzantium uint64 = 100000 // Byzantium base price for an elliptic curve pairing check 134 Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check 135 Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check 136 Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check 137 138 QuorumMaximumExtraDataSize uint64 = 65 // Maximum size extra data may be after Genesis. 139 // Quorum - payload for a transaction, the size of the buffer to 128kb to match the maximum allowed in chain config 140 QuorumMaxPayloadBufferSize uint64 = 128 141 ) 142 143 var ( 144 DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. 145 GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block. 146 MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be. 147 DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not. 148 ) 149 150 func GetMaximumExtraDataSize(isQuorum bool) uint64 { 151 if isQuorum { 152 return QuorumMaximumExtraDataSize 153 } else { 154 return MaximumExtraDataSize 155 } 156 }