mirror of https://github.com/status-im/op-geth.git
140 lines
9.6 KiB
Go
140 lines
9.6 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package params
|
|
|
|
import "math/big"
|
|
|
|
const (
|
|
GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations.
|
|
MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be.
|
|
GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block.
|
|
|
|
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.
|
|
LogDataGas uint64 = 8 // Per byte in a LOG* operation's data.
|
|
CallStipend uint64 = 2300 // Free gas given at beginning of call.
|
|
|
|
Sha3Gas uint64 = 30 // Once per SHA3 operation.
|
|
Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data.
|
|
|
|
SstoreSetGas uint64 = 20000 // Once per SLOAD operation.
|
|
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.
|
|
|
|
NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change.
|
|
NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero.
|
|
NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero.
|
|
NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty.
|
|
|
|
NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
|
|
NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value
|
|
NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value
|
|
|
|
SstoreSentryGasEIP2200 uint64 = 2300 // Minimum gas required to be present for an SSTORE call, not consumed
|
|
SstoreNoopGasEIP2200 uint64 = 800 // Once per SSTORE operation if the value doesn't change.
|
|
SstoreDirtyGasEIP2200 uint64 = 800 // Once per SSTORE operation if a dirty value is changed.
|
|
SstoreInitGasEIP2200 uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
|
|
SstoreInitRefundEIP2200 uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value
|
|
SstoreCleanGasEIP2200 uint64 = 5000 // Once per SSTORE operation from clean non-zero to something else
|
|
SstoreCleanRefundEIP2200 uint64 = 4200 // Once per SSTORE operation for resetting to the original non-zero value
|
|
SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
|
|
|
|
JumpdestGas uint64 = 1 // Once per JUMPDEST operation.
|
|
EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
|
|
|
|
CreateDataGas uint64 = 200 //
|
|
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.
|
|
Create2Gas uint64 = 32000 // Once per CREATE2 operation
|
|
SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct 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.
|
|
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 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 = 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
|
|
)
|
|
|
|
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.
|
|
)
|