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139 lines
6.5 KiB
139 lines
6.5 KiB
package params
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import "math/big"
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const (
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// GasLimitBoundDivisor ...
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GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations.
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// MinGasLimit ...
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MinGasLimit uint64 = 5000 // Minimum the gas limit may ever be.
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// GenesisGasLimit ...
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GenesisGasLimit uint64 = 4712388 // Gas limit of the Genesis block.
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// MaximumExtraDataSize ...
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MaximumExtraDataSize uint64 = 32 // Maximum size extra data may be after Genesis.
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// ExpByteGas ...
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ExpByteGas uint64 = 10 // Times ceil(log256(exponent)) for the EXP instruction.
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// SloadGas ...
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SloadGas uint64 = 50 // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
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// CallValueTransferGas ...
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CallValueTransferGas uint64 = 9000 // Paid for CALL when the value transfer is non-zero.
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// CallNewAccountGas ...
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CallNewAccountGas uint64 = 25000 // Paid for CALL when the destination address didn't exist prior.
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// TxGas ...
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TxGas uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
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// TxGasContractCreation ...
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TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
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// TxDataZeroGas ...
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TxDataZeroGas uint64 = 4 // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
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// QuadCoeffDiv ...
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QuadCoeffDiv uint64 = 512 // Divisor for the quadratic particle of the memory cost equation.
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// LogDataGas ...
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LogDataGas uint64 = 8 // Per byte in a LOG* operation's data.
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// CallStipend ...
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CallStipend uint64 = 2300 // Free gas given at beginning of call.
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// Sha3Gas ...
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Sha3Gas uint64 = 30 // Once per SHA3 operation.
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// Sha3WordGas ...
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Sha3WordGas uint64 = 6 // Once per word of the SHA3 operation's data.
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// SstoreSetGas ...
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SstoreSetGas uint64 = 20000 // Once per SLOAD operation.
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// SstoreResetGas ...
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SstoreResetGas uint64 = 5000 // Once per SSTORE operation if the zeroness changes from zero.
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// SstoreClearGas ...
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SstoreClearGas uint64 = 5000 // Once per SSTORE operation if the zeroness doesn't change.
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// SstoreRefundGas ...
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SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero.
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// NetSstoreNoopGas ...
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NetSstoreNoopGas uint64 = 200 // Once per SSTORE operation if the value doesn't change.
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// NetSstoreInitGas ...
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NetSstoreInitGas uint64 = 20000 // Once per SSTORE operation from clean zero.
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// NetSstoreCleanGas ...
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NetSstoreCleanGas uint64 = 5000 // Once per SSTORE operation from clean non-zero.
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// NetSstoreDirtyGas ...
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NetSstoreDirtyGas uint64 = 200 // Once per SSTORE operation from dirty.
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// NetSstoreClearRefund ...
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NetSstoreClearRefund uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
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// NetSstoreResetRefund ...
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NetSstoreResetRefund uint64 = 4800 // Once per SSTORE operation for resetting to the original non-zero value
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// NetSstoreResetClearRefund ...
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NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value
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// JumpdestGas ...
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JumpdestGas uint64 = 1 // Refunded gas, once per SSTORE operation if the zeroness changes to zero.
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// EpochDuration ...
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EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
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// CallGas ...
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CallGas uint64 = 40 // Once per CALL operation & message call transaction.
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// CreateDataGas ...
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CreateDataGas uint64 = 200 //
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// CallCreateDepth ...
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CallCreateDepth uint64 = 1024 // Maximum depth of call/create stack.
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// ExpGas ...
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ExpGas uint64 = 10 // Once per EXP instruction
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// LogGas ...
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LogGas uint64 = 375 // Per LOG* operation.
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// CopyGas ...
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CopyGas uint64 = 3 //
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// StackLimit ...
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StackLimit uint64 = 1024 // Maximum size of VM stack allowed.
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// TierStepGas ...
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TierStepGas uint64 = 0 // Once per operation, for a selection of them.
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// LogTopicGas ...
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LogTopicGas uint64 = 375 // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
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// CreateGas ...
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CreateGas uint64 = 32000 // Once per CREATE operation & contract-creation transaction.
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// Create2Gas ...
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Create2Gas uint64 = 32000 // Once per CREATE2 operation
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// SuicideRefundGas ...
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SuicideRefundGas uint64 = 24000 // Refunded following a suicide operation.
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// MemoryGas ...
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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.
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// TxDataNonZeroGas ...
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TxDataNonZeroGas 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.
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// MaxCodeSize ...
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MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
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// Precompiled contract gas prices
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// EcrecoverGas ...
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EcrecoverGas uint64 = 3000 // Elliptic curve sender recovery gas price
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// Sha256BaseGas ...
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Sha256BaseGas uint64 = 60 // Base price for a SHA256 operation
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// Sha256PerWordGas ...
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Sha256PerWordGas uint64 = 12 // Per-word price for a SHA256 operation
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// Ripemd160BaseGas ...
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Ripemd160BaseGas uint64 = 600 // Base price for a RIPEMD160 operation
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// Ripemd160PerWordGas ...
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Ripemd160PerWordGas uint64 = 120 // Per-word price for a RIPEMD160 operation
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// IdentityBaseGas ...
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IdentityBaseGas uint64 = 15 // Base price for a data copy operation
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// IdentityPerWordGas ...
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IdentityPerWordGas uint64 = 3 // Per-work price for a data copy operation
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// ModExpQuadCoeffDiv ...
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ModExpQuadCoeffDiv uint64 = 20 // Divisor for the quadratic particle of the big int modular exponentiation
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// Bn256AddGas ...
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Bn256AddGas uint64 = 500 // Gas needed for an elliptic curve addition
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// Bn256ScalarMulGas ...
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Bn256ScalarMulGas uint64 = 40000 // Gas needed for an elliptic curve scalar multiplication
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// Bn256PairingBaseGas ...
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Bn256PairingBaseGas uint64 = 100000 // Base price for an elliptic curve pairing check
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// Bn256PairingPerPointGas ...
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Bn256PairingPerPointGas uint64 = 80000 // Per-point price for an elliptic curve pairing check
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)
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var (
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// DifficultyBoundDivisor ...
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DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations.
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// GenesisDifficulty ...
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GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block.
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// MinimumDifficulty ...
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MinimumDifficulty = big.NewInt(131072) // The minimum that the difficulty may ever be.
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// DurationLimit ...
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DurationLimit = big.NewInt(13) // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
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)
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