github.com/ethereum-optimism/optimism/l2geth@v0.0.0-20230612200230-50b04ade19e3/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 GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations. 23 MinGasLimit uint64 = 4000000 // Minimum the gas limit may ever be. 24 GenesisGasLimit uint64 = 12000000 // Gas limit of the Genesis block. 25 26 MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis. 27 ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction. 28 SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. 29 CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero. 30 CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior. 31 TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. 32 TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. 33 TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. 34 QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation. 35 LogDataGas uint64 = 8 // Per byte in a LOG* operation's data. 36 CallStipend uint64 = 2300 // Free gas given at beginning of call. 37 38 Sha3Gas uint64 = 30 // Once per SHA3 operation. 39 Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. 40 41 SstoreSetGas uint64 = 20000 // Once per SLOAD operation. 42 SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. 43 SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change. 44 SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero. 45 46 NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change. 47 NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero. 48 NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero. 49 NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty. 50 51 NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot 52 NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value 53 NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value 54 55 SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed 56 SstoreSetGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero 57 SstoreResetGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else 58 SstoreClearsScheduleRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot 59 60 SstoreNoopGasEIP2200 uint64 = 800 // Once per SSTORE operation if the value doesn't change. 61 SstoreDirtyGasEIP2200 uint64 = 800 // Once per SSTORE operation if a dirty value is changed. 62 SstoreInitGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero 63 SstoreInitRefundEIP2200 uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value 64 SstoreCleanGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else 65 SstoreCleanRefundEIP2200 uint64 = 4200 // Once per SSTORE operation for resetting to the original non-zero value 66 SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot 67 68 ColdAccountAccessCostEIP2929 = uint64(2600) // COLD_ACCOUNT_ACCESS_COST 69 ColdSloadCostEIP2929 = uint64(2100) // COLD_SLOAD_COST 70 WarmStorageReadCostEIP2929 = uint64(100) // WARM_STORAGE_READ_COST 71 72 // In EIP-2200: SstoreResetGas was 5000. 73 // In EIP-2929: SstoreResetGas was changed to '5000 - COLD_SLOAD_COST'. 74 // In EIP-3529: SSTORE_CLEARS_SCHEDULE is defined as SSTORE_RESET_GAS + ACCESS_LIST_STORAGE_KEY_COST 75 // Which becomes: 5000 - 2100 + 1900 = 4800 76 SstoreClearsScheduleRefundEIP3529 uint64 = SstoreResetGasEIP2200 - ColdSloadCostEIP2929 + TxAccessListStorageKeyGas 77 78 JumpdestGas uint64 = 1 // Once per JUMPDEST operation. 79 EpochDuration uint64 = 30000 // Duration between proof-of-work epochs. 80 81 CreateDataGas uint64 = 200 // 82 CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack. 83 ExpGas uint64 = 10 // Once per EXP instruction 84 LogGas uint64 = 375 // Per LOG* operation. 85 CopyGas uint64 = 3 // 86 StackLimit uint64 = 1024 // Maximum size of VM stack allowed. 87 TierStepGas uint64 = 0 // Once per operation, for a selection of them. 88 LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas. 89 CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction. 90 Create2Gas uint64 = 32000 // Once per CREATE2 operation 91 SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation. 92 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. 93 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. 94 TxDataNonZeroGasEIP2028 uint64 = 16 // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul) 95 TxAccessListAddressGas uint64 = 2400 // Per address specified in EIP 2930 access list 96 TxAccessListStorageKeyGas uint64 = 1900 // Per storage key specified in EIP 2930 access list 97 98 // These have been changed during the course of the chain 99 CallGasFrontier uint64 = 40 // Once per CALL operation & message call transaction. 100 CallGasEIP150 uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine) 101 BalanceGasFrontier uint64 = 20 // The cost of a BALANCE operation 102 BalanceGasEIP150 uint64 = 400 // The cost of a BALANCE operation after Tangerine 103 BalanceGasEIP1884 uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul) 104 ExtcodeSizeGasFrontier uint64 = 20 // Cost of EXTCODESIZE before EIP 150 (Tangerine) 105 ExtcodeSizeGasEIP150 uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine) 106 SloadGasFrontier uint64 = 50 107 SloadGasEIP150 uint64 = 200 108 SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul) 109 ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople) 110 ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul) 111 SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine) 112 113 // EXP has a dynamic portion depending on the size of the exponent 114 ExpByteFrontier uint64 = 10 // was set to 10 in Frontier 115 ExpByteEIP158 uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon) 116 117 // Extcodecopy has a dynamic AND a static cost. This represents only the 118 // static portion of the gas. It was changed during EIP 150 (Tangerine) 119 ExtcodeCopyBaseFrontier uint64 = 20 120 ExtcodeCopyBaseEIP150 uint64 = 700 121 122 // CreateBySelfdestructGas is used when the refunded account is one that does 123 // not exist. This logic is similar to call. 124 // Introduced in Tangerine Whistle (Eip 150) 125 CreateBySelfdestructGas uint64 = 25000 126 127 MaxCodeSize = 2457600 // Maximum bytecode to permit for a contract 128 129 // Precompiled contract gas prices 130 131 EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price 132 Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation 133 Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation 134 Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation 135 Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation 136 IdentityBaseGas uint64 = 15 // Base price for a data copy operation 137 IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation 138 ModExpQuadCoeffDiv uint64 = 20 // Divisor for the quadratic particle of the big int modular exponentiation 139 140 Bn256AddGasByzantium uint64 = 500 // Byzantium gas needed for an elliptic curve addition 141 Bn256AddGasIstanbul uint64 = 150 // Gas needed for an elliptic curve addition 142 Bn256ScalarMulGasByzantium uint64 = 40000 // Byzantium gas needed for an elliptic curve scalar multiplication 143 Bn256ScalarMulGasIstanbul uint64 = 6000 // Gas needed for an elliptic curve scalar multiplication 144 Bn256PairingBaseGasByzantium uint64 = 100000 // Byzantium base price for an elliptic curve pairing check 145 Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check 146 Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check 147 Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check 148 ) 149 150 var ( 151 DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations. 152 GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block. 153 MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be. 154 DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not. 155 )