74 lines
5.2 KiB
Go
74 lines
5.2 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"
|
|
|
|
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
|
|
|
|
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.
|
|
|
|
MaxCodeSize = 24576
|
|
)
|