package params import "math/big" // nolint const ( // GasLimitBoundDivisor ... GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations. // MinGasLimit ... MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be. // GenesisGasLimit ... GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block. // TestGenesisGasLimit .. TestGenesisGasLimit uint64 = 80000000 // A Gas limit in testing of the Genesis block (set same as current mainnet) // MaximumExtraDataSize ... MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis. // ExpByteGas ... ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction. // SloadGas ... SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added. // CallValueTransferGas ... CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero. // CallNewAccountGas ... CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior. // TxGas ... TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions. // TxGasContractCreation ... TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions. // TxGasValidatorCreation ... TxGasValidatorCreation uint64 = 5300000 // Per transaction that creates a new validator. NOTE: Not payable on data of calls between transactions. // TxDataZeroGas ... TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions. // QuadCoeffDiv ... QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation. // LogDataGas ... LogDataGas uint64 = 8 // Per byte in a LOG* operation's data. // CallStipend ... CallStipend uint64 = 2300 // Free gas given at beginning of call. // Sha3Gas ... Sha3Gas uint64 = 30 // Once per SHA3 operation. // Sha3WordGas ... Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data. // SstoreSetGas ... SstoreSetGas uint64 = 20000 // Once per SLOAD operation. // SstoreResetGas ... SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero. // SstoreClearGas ... SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change. // SstoreRefundGas ... SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero. // NetSstoreNoopGas ... NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change. // NetSstoreInitGas ... NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero. // NetSstoreCleanGas ... NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero. // NetSstoreDirtyGas ... NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty. // NetSstoreClearRefund ... NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot // NetSstoreResetRefund ... NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value // NetSstoreResetClearRefund ... NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value // SstoreSentryGasEIP2200 ... SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed // SstoreNoopGasEIP2200 ... SstoreNoopGasEIP2200 uint64 = 800 // Once per SSTORE operation if the value doesn't change. // SstoreDirtyGasEIP2200 ... SstoreDirtyGasEIP2200 uint64 = 800 // Once per SSTORE operation if a dirty value is changed. // SstoreInitGasEIP2200 ... SstoreInitGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero // SstoreInitRefundEIP2200 ... SstoreInitRefundEIP2200 uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value // SstoreCleanGasEIP2200 ... SstoreCleanGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else // SstoreCleanRefundEIP2200 ... SstoreCleanRefundEIP2200 uint64 = 4200 // Once per SSTORE operation for resetting to the original non-zero value // SstoreClearRefundEIP2200 ... SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot // JumpdestGas ... JumpdestGas uint64 = 1 // Refunded gas, once per SSTORE operation if the zeroness changes to zero. // EpochDuration ... EpochDuration uint64 = 30000 // Duration between proof-of-work epochs. // CallGas ... CallGas uint64 = 40 // Once per CALL operation & message call transaction. // CreateDataGas ... CreateDataGas uint64 = 200 // // CallCreateDepth ... CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack. // ExpGas ... ExpGas uint64 = 10 // Once per EXP instruction // LogGas ... LogGas uint64 = 375 // Per LOG* operation. // CopyGas ... CopyGas uint64 = 3 // // StackLimit ... StackLimit uint64 = 1024 // Maximum size of VM stack allowed. // TierStepGas ... TierStepGas uint64 = 0 // Once per operation, for a selection of them. // LogTopicGas ... 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 ... CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction. // Create2Gas ... Create2Gas uint64 = 32000 // Once per CREATE2 operation // SelfdestructRefundGas ... SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation. // MemoryGas ... 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 ... 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. // TxDataNonZeroGasEIP2028 ... TxDataNonZeroGasEIP2028 uint64 = 16 // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul) // These have been changed during the course of the chain CallGasFrontier uint64 = 40 // Once per CALL operation & message call transaction. CallGasEIP150 uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine) BalanceGasFrontier uint64 = 20 // The cost of a BALANCE operation BalanceGasEIP150 uint64 = 400 // The cost of a BALANCE operation after Tangerine BalanceGasEIP1884 uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul) ExtcodeSizeGasFrontier uint64 = 20 // Cost of EXTCODESIZE before EIP 150 (Tangerine) ExtcodeSizeGasEIP150 uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine) SloadGasFrontier uint64 = 50 SloadGasEIP150 uint64 = 200 SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul) ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople) ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul) SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine) // EXP has a dynamic portion depending on the size of the exponent ExpByteFrontier uint64 = 10 // was set to 10 in Frontier ExpByteEIP158 uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon) // Extcodecopy has a dynamic AND a static cost. This represents only the // static portion of the gas. It was changed during EIP 150 (Tangerine) ExtcodeCopyBaseFrontier uint64 = 20 ExtcodeCopyBaseEIP150 uint64 = 700 // CreateBySelfdestructGas is used when the refunded account is one that does // not exist. This logic is similar to call. // Introduced in Tangerine Whistle (Eip 150) CreateBySelfdestructGas uint64 = 25000 // MaxCodeSize ... MaxCodeSize = 24576 // Maximum bytecode to permit for a contract // Precompiled contract gas prices EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation IdentityBaseGas uint64 = 15 // Base price for a data copy operation IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation ModExpQuadCoeffDiv uint64 = 20 // Divisor for the quadratic particle of the big int modular exponentiation Bn256AddGasByzantium uint64 = 500 // Byzantium gas needed for an elliptic curve addition Bn256AddGasIstanbul uint64 = 150 // Gas needed for an elliptic curve addition Bn256ScalarMulGasByzantium uint64 = 40000 // Byzantium gas needed for an elliptic curve scalar multiplication Bn256ScalarMulGasIstanbul uint64 = 6000 // Gas needed for an elliptic curve scalar multiplication Bn256PairingBaseGasByzantium uint64 = 100000 // Byzantium base price for an elliptic curve pairing check Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check ) // nolint var ( 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. )