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@tevm/voltaire
@tevm/voltaire / primitives/GasConstants

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primitives/GasConstants

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Namespaces

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Type Aliases

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CallDetails

CallDetails = object
Defined in: src/primitives/GasConstants/types.ts:44 Call operation details

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Properties

gas
gas: bigint
Defined in: src/primitives/GasConstants/types.ts:48
hasValue
hasValue: boolean
Defined in: src/primitives/GasConstants/types.ts:46
isNewAccount
isNewAccount: boolean
Defined in: src/primitives/GasConstants/types.ts:47
isWarm
isWarm: boolean
Defined in: src/primitives/GasConstants/types.ts:45

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Config

Config = object
Defined in: src/primitives/GasConstants/types.ts:18 Gas configuration for hardfork-specific calculations

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Properties

hardfork
hardfork: Hardfork
Defined in: src/primitives/GasConstants/types.ts:19

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CostResult

CostResult = object
Defined in: src/primitives/GasConstants/types.ts:25 Gas cost calculation result

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Properties

base
base: bigint
Defined in: src/primitives/GasConstants/types.ts:26
dynamic
dynamic: bigint
Defined in: src/primitives/GasConstants/types.ts:27
total
total: bigint
Defined in: src/primitives/GasConstants/types.ts:28

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Hardfork

Hardfork = "homestead" | "byzantium" | "constantinople" | "istanbul" | "berlin" | "london" | "paris" | "shanghai" | "cancun"
Defined in: src/primitives/GasConstants/types.ts:4 Ethereum hardfork identifiers

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MemoryExpansion

MemoryExpansion = object
Defined in: src/primitives/GasConstants/types.ts:34 Memory expansion details

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Properties

expansionCost
expansionCost: bigint
Defined in: src/primitives/GasConstants/types.ts:37
newCost
newCost: bigint
Defined in: src/primitives/GasConstants/types.ts:36
oldCost
oldCost: bigint
Defined in: src/primitives/GasConstants/types.ts:35
words
words: bigint
Defined in: src/primitives/GasConstants/types.ts:38

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Variables

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BlobBaseFee

const BlobBaseFee: 2n = 2n
Defined in: src/primitives/GasConstants/constants.js:325 BLOBBASEFEE opcode cost (2 gas)

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BlobHash

const BlobHash: 3n = 3n
Defined in: src/primitives/GasConstants/constants.js:319 BLOBHASH opcode cost (3 gas)

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BrandedGasConstants

const BrandedGasConstants: object
Defined in: src/primitives/GasConstants/index.ts:74

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Type Declaration

calculateCallCost()
calculateCallCost: (isWarm, hasValue, isNewAccount, availableGas) => object
Calculate CALL operation gas cost
Parameters
isWarm
boolean Whether target account is warm
hasValue
boolean Whether call transfers value
isNewAccount
boolean Whether target account doesn’t exist
availableGas
bigint Gas available for the call
Returns
object Gas cost breakdown
base
base: bigint
dynamic
dynamic: bigint
forwarded
forwarded: bigint
stipend
stipend: bigint
total
total: bigint
Example
const result = calculateCallCost(true, true, false, 100000n);
// { base, dynamic, stipend, forwarded, total }
calculateCopyCost()
calculateCopyCost: (size) => bigint
Calculate copy operation gas cost
Parameters
size
bigint Size of data to copy in bytes
Returns
bigint Gas cost
calculateCreateCost()
calculateCreateCost: (initcodeSize, deployedSize) => object
Calculate contract creation gas cost
Parameters
initcodeSize
bigint Size of initcode in bytes
deployedSize
bigint Size of deployed bytecode in bytes
Returns
object Gas cost breakdown
base
base: bigint
dynamic
dynamic: bigint
total
total: bigint
Throws
If initcode size exceeds maximum
Example
const result = calculateCreateCost(1000n, 500n);
// { base: 32000n, initcode: ..., deployed: ..., total: ... }
calculateKeccak256Cost()
calculateKeccak256Cost: (dataSize) => bigint
Calculate KECCAK256 gas cost
Parameters
dataSize
bigint Size of data in bytes
Returns
bigint Total gas cost
Example
const cost = calculateKeccak256Cost(64n); // 30 + (2 * 6) = 42 gas
calculateLogCost()
calculateLogCost: (topicCount, dataSize) => bigint
Calculate LOG gas cost
Parameters
topicCount
bigint Number of topics (0-4)
dataSize
bigint Size of log data in bytes
Returns
bigint Total gas cost
Example
const cost = calculateLogCost(2n, 64n); // LOG2 with 64 bytes
// 375 + (2 * 375) + (64 * 8) = 1637 gas
calculateMaxRefund()
calculateMaxRefund: (gasUsed) => bigint
Calculate maximum gas refund
Parameters
gasUsed
bigint Total gas used in transaction
Returns
bigint Maximum refundable gas
calculateMemoryExpansionCost()
calculateMemoryExpansionCost: (oldSize, newSize) => object
Calculate memory expansion cost
Parameters
oldSize
bigint Previous memory size in bytes
newSize
bigint New memory size in bytes
Returns
object Memory expansion cost
expansionCost
expansionCost: bigint
newCost
newCost: bigint
oldCost
oldCost: bigint
words
words: bigint
Example
const expansion = calculateMemoryExpansionCost(64n, 128n);
// { oldCost, newCost, expansionCost, words }
calculateSstoreCost()
calculateSstoreCost: (isWarm, currentValue, newValue) => object
Calculate SSTORE gas cost
Parameters
isWarm
boolean Whether slot is warm (previously accessed)
currentValue
bigint Current storage value (0n if empty)
newValue
bigint New storage value
Returns
object Gas cost and potential refund
cost
cost: bigint
refund
refund: bigint
Example
const result = calculateSstoreCost(false, 0n, 100n);
// { cost: 22100n, refund: 0n } - cold + set
calculateTxIntrinsicGas()
calculateTxIntrinsicGas: (data, isCreate) => bigint
Calculate transaction intrinsic gas cost
Parameters
data
Uint8Array<ArrayBufferLike> Transaction calldata
isCreate
boolean Whether transaction creates a contract
Returns
bigint Intrinsic gas cost
Example
const data = new Uint8Array([0, 1, 2, 0, 0]);
const cost = calculateTxIntrinsicGas(data, false);
// 21000 + (3 * 4) + (2 * 16) = 21044 gas
callCost()
callCost: (this) => object
Calculate CALL operation gas cost (convenience form with this:)
Parameters
this
availableGas
bigint
hasValue
boolean
isNewAccount
boolean
isWarm
boolean
Returns
object
base
base: bigint
dynamic
dynamic: bigint
forwarded
forwarded: bigint
stipend
stipend: bigint
total
total: bigint
copyCost()
copyCost: (this) => bigint
Calculate copy operation gas cost (convenience form with this:)
Parameters
this
bigint
Returns
bigint
createCost()
createCost: (this) => object
Calculate contract creation gas cost (convenience form with this:)
Parameters
this
deployedSize
bigint
initcodeSize
bigint
Returns
object
base
base: bigint
dynamic
dynamic: bigint
total
total: bigint
getColdAccountAccessCost()
getColdAccountAccessCost: (hardfork) => bigint
Get cold account access cost for hardfork
Parameters
hardfork
Hardfork EVM hardfork
Returns
bigint Gas cost
getColdSloadCost()
getColdSloadCost: (hardfork) => bigint
Get cold storage cost for hardfork
Parameters
hardfork
Hardfork EVM hardfork
Returns
bigint Gas cost
getSelfdestructRefund()
getSelfdestructRefund: (hardfork) => bigint
Get selfdestruct refund for hardfork
Parameters
hardfork
Hardfork EVM hardfork
Returns
bigint Gas refund amount
getSstoreRefund()
getSstoreRefund: (hardfork) => bigint
Get storage refund for hardfork
Parameters
hardfork
Hardfork EVM hardfork
Returns
bigint Gas refund amount
hasEIP1153()
hasEIP1153: (hardfork) => boolean
Check if a hardfork includes EIP-1153 (transient storage)
Parameters
hardfork
Hardfork EVM hardfork
Returns
boolean Whether hardfork includes EIP-1153
hasEIP2929()
hasEIP2929: (hardfork) => boolean
Check if a hardfork includes EIP-2929 (cold/warm access costs)
Parameters
hardfork
Hardfork EVM hardfork
Returns
boolean Whether hardfork includes EIP-2929
hasEIP3529()
hasEIP3529: (hardfork) => boolean
Check if a hardfork includes EIP-3529 (reduced refunds)
Parameters
hardfork
Hardfork EVM hardfork
Returns
boolean Whether hardfork includes EIP-3529
hasEIP3860()
hasEIP3860: (hardfork) => boolean
Check if a hardfork includes EIP-3860 (initcode size limit)
Parameters
hardfork
Hardfork EVM hardfork
Returns
boolean Whether hardfork includes EIP-3860
hasEIP4844()
hasEIP4844: (hardfork) => boolean
Check if a hardfork includes EIP-4844 (blob transactions)
Parameters
hardfork
Hardfork EVM hardfork
Returns
boolean Whether hardfork includes EIP-4844
keccak256Cost()
keccak256Cost: (this) => bigint
Calculate KECCAK256 gas cost (convenience form with this:)
Parameters
this
bigint
Returns
bigint Total gas cost
logCost()
logCost: (this) => bigint
Calculate LOG gas cost (convenience form with this:)
Parameters
this
dataSize
bigint
topicCount
bigint
Returns
bigint
maxRefund()
maxRefund: (this) => bigint
Calculate maximum gas refund (convenience form with this:)
Parameters
this
bigint
Returns
bigint
memoryExpansionCost()
memoryExpansionCost: (this) => object
Calculate memory expansion cost (convenience form with this:)
Parameters
this
newSize
bigint
oldSize
bigint
Returns
object
expansionCost
expansionCost: bigint
newCost
newCost: bigint
oldCost
oldCost: bigint
words
words: bigint
Precompile
Precompile: Precompile
ECRECOVER (address 0x01) - Fixed cost
sstoreCost()
sstoreCost: (this) => object
Calculate SSTORE gas cost (convenience form with this:)
Parameters
this
currentValue
bigint
isWarm
boolean
newValue
bigint
Returns
object
cost
cost: bigint
refund
refund: bigint
txIntrinsicGas()
txIntrinsicGas: (this) => bigint
Calculate transaction intrinsic gas cost (convenience form with this:)
Parameters
this
data
Uint8Array
isCreate
boolean
Returns
bigint

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Call

const Call: 40n = 40n
Defined in: src/primitives/GasConstants/constants.js:177 Base CALL cost (40 gas)

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CallCode

const CallCode: 700n = 700n
Defined in: src/primitives/GasConstants/constants.js:201 CALLCODE cost (700 gas) - EIP-150

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CallGasRetentionDivisor

const CallGasRetentionDivisor: 64n = 64n
Defined in: src/primitives/GasConstants/constants.js:231 63/64 rule divisor for gas forwarding

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CallNewAccount

const CallNewAccount: 25000n = 25000n
Defined in: src/primitives/GasConstants/constants.js:195 Additional cost for new account creation (25000 gas)

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CallStipend

const CallStipend: 2300n = 2300n
Defined in: src/primitives/GasConstants/constants.js:183 Gas stipend for value transfer (2300 gas)

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CallValueTransfer

const CallValueTransfer: 9000n = 9000n
Defined in: src/primitives/GasConstants/constants.js:189 Additional cost for value transfer (9000 gas)

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ColdAccountAccess

const ColdAccountAccess: 2600n = 2600n
Defined in: src/primitives/GasConstants/constants.js:93 Cold account access (2600 gas) - EIP-2929 BALANCE, EXTCODESIZE, EXTCODECOPY, EXTCODEHASH, CALL family

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ColdSload

const ColdSload: 2100n = 2100n
Defined in: src/primitives/GasConstants/constants.js:86 Cold SLOAD (2100 gas) - EIP-2929

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Copy

const Copy: 3n = 3n
Defined in: src/primitives/GasConstants/constants.js:303 Per word for copy operations (3 gas)

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Create

const Create: 32000n = 32000n
Defined in: src/primitives/GasConstants/constants.js:171 Base CREATE cost (32000 gas)

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CreateData

const CreateData: 200n = 200n
Defined in: src/primitives/GasConstants/constants.js:257 Per-byte cost for deployed code (200 gas)

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DelegateCall

const DelegateCall: 700n = 700n
Defined in: src/primitives/GasConstants/constants.js:207 DELEGATECALL cost (700 gas) - EIP-150

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ExtStep

const ExtStep: 20n = 20n
Defined in: src/primitives/GasConstants/constants.js:54 External account interaction (20 gas) BALANCE, EXTCODESIZE, BLOCKHASH

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FastestStep

const FastestStep: 3n = 3n
Defined in: src/primitives/GasConstants/constants.js:26 Simple arithmetic and logic (3 gas) ADD, SUB, NOT, LT, GT, SLT, SGT, EQ, ISZERO, AND, OR, XOR, CALLDATALOAD, MLOAD, MSTORE, MSTORE8, PUSH, DUP, SWAP

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FastStep

const FastStep: 5n = 5n
Defined in: src/primitives/GasConstants/constants.js:33 Multiplication and division (5 gas) MUL, DIV, SDIV, MOD, SMOD

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InitcodeWord

const InitcodeWord: 2n = 2n
Defined in: src/primitives/GasConstants/constants.js:263 Per-word cost for initcode (2 gas) - EIP-3860

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Jumpdest

const Jumpdest: 1n = 1n
Defined in: src/primitives/GasConstants/constants.js:139 JUMPDEST marker (1 gas)

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Keccak256Base

const Keccak256Base: 30n = 30n
Defined in: src/primitives/GasConstants/constants.js:64 Base cost for KECCAK256 (30 gas)

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Keccak256Word

const Keccak256Word: 6n = 6n
Defined in: src/primitives/GasConstants/constants.js:70 Per-word cost for KECCAK256 (6 gas per 32 bytes)

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LogBase

const LogBase: 375n = 375n
Defined in: src/primitives/GasConstants/constants.js:149 Base cost for LOG operations (375 gas)

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LogData

const LogData: 8n = 8n
Defined in: src/primitives/GasConstants/constants.js:155 Per-byte cost for LOG data (8 gas)

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LogTopic

const LogTopic: 375n = 375n
Defined in: src/primitives/GasConstants/constants.js:161 Per-topic cost for LOG (375 gas)

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MaxInitcodeSize

const MaxInitcodeSize: 49152n = 49152n
Defined in: src/primitives/GasConstants/constants.js:269 Maximum initcode size (49152 bytes) - EIP-3860

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MaxRefundQuotient

const MaxRefundQuotient: 5n = 5n
Defined in: src/primitives/GasConstants/constants.js:309 Maximum refund quotient (1/5) - EIP-3529

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Memory

const Memory: 3n = 3n
Defined in: src/primitives/GasConstants/constants.js:241 Linear coefficient for memory (3 gas)

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MidStep

const MidStep: 8n = 8n
Defined in: src/primitives/GasConstants/constants.js:40 Advanced arithmetic (8 gas) ADDMOD, MULMOD, SIGNEXTEND

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QuadCoeffDiv

const QuadCoeffDiv: 512n = 512n
Defined in: src/primitives/GasConstants/constants.js:247 Quadratic coefficient divisor (512)

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QuickStep

const QuickStep: 2n = 2n
Defined in: src/primitives/GasConstants/constants.js:18 Very cheap operations (2 gas) ADDRESS, ORIGIN, CALLER, CALLVALUE, CALLDATASIZE, CODESIZE, GASPRICE, RETURNDATASIZE, PC, MSIZE, GAS, CHAINID, SELFBALANCE

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Selfdestruct

const Selfdestruct: 5000n = 5000n
Defined in: src/primitives/GasConstants/constants.js:219 SELFDESTRUCT base cost (5000 gas) - EIP-150

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SelfdestructRefund

const SelfdestructRefund: 24000n = 24000n
Defined in: src/primitives/GasConstants/constants.js:225 SELFDESTRUCT refund (24000 gas) - Removed in EIP-3529

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Sload

const Sload: 100n = 100n
Defined in: src/primitives/GasConstants/constants.js:80 SLOAD on warm slot (100 gas)

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SlowStep

const SlowStep: 10n = 10n
Defined in: src/primitives/GasConstants/constants.js:47 Moderate computation (10 gas) JUMPI

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SstoreClear

const SstoreClear: 5000n = 5000n
Defined in: src/primitives/GasConstants/constants.js:123 SSTORE clear to zero (5000 gas)

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SstoreRefund

const SstoreRefund: 4800n = 4800n
Defined in: src/primitives/GasConstants/constants.js:129 Gas refund for clearing storage (4800 gas) - EIP-3529

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SstoreReset

const SstoreReset: 5000n = 5000n
Defined in: src/primitives/GasConstants/constants.js:117 SSTORE modify existing non-zero (5000 gas)

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SstoreSentry

const SstoreSentry: 2300n = 2300n
Defined in: src/primitives/GasConstants/constants.js:105 Minimum gas for SSTORE (2300 gas)

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SstoreSet

const SstoreSet: 20000n = 20000n
Defined in: src/primitives/GasConstants/constants.js:111 SSTORE zero to non-zero (20000 gas)

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StaticCall

const StaticCall: 700n = 700n
Defined in: src/primitives/GasConstants/constants.js:213 STATICCALL cost (700 gas) - EIP-214

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TLoad

const TLoad: 100n = 100n
Defined in: src/primitives/GasConstants/constants.js:335 TLOAD cost (100 gas)

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TStore

const TStore: 100n = 100n
Defined in: src/primitives/GasConstants/constants.js:341 TSTORE cost (100 gas)

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Tx

const Tx: 21000n = 21000n
Defined in: src/primitives/GasConstants/constants.js:279 Base transaction cost (21000 gas)

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TxContractCreation

const TxContractCreation: 53000n = 53000n
Defined in: src/primitives/GasConstants/constants.js:285 Contract creation transaction base cost (53000 gas)

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TxDataNonZero

const TxDataNonZero: 16n = 16n
Defined in: src/primitives/GasConstants/constants.js:297 Per non-zero byte in calldata (16 gas)

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TxDataZero

const TxDataZero: 4n = 4n
Defined in: src/primitives/GasConstants/constants.js:291 Per zero byte in calldata (4 gas)

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WarmStorageRead

const WarmStorageRead: 100n = 100n
Defined in: src/primitives/GasConstants/constants.js:99 Warm storage read (100 gas) - EIP-2929

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Functions

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calculateCallCost()

calculateCallCost(isWarm, hasValue, isNewAccount, availableGas): object
Defined in: src/primitives/GasConstants/calculateCallCost.js:25 Calculate CALL operation gas cost

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Parameters

isWarm
boolean Whether target account is warm
hasValue
boolean Whether call transfers value
isNewAccount
boolean Whether target account doesn’t exist
availableGas
bigint Gas available for the call

​
Returns

object Gas cost breakdown
base
base: bigint
dynamic
dynamic: bigint
forwarded
forwarded: bigint
stipend
stipend: bigint
total
total: bigint

​
Example

const result = calculateCallCost(true, true, false, 100000n);
// { base, dynamic, stipend, forwarded, total }

​
calculateCopyCost()

calculateCopyCost(size): bigint
Defined in: src/primitives/GasConstants/calculateCopyCost.js:9 Calculate copy operation gas cost

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Parameters

size
bigint Size of data to copy in bytes

​
Returns

bigint Gas cost

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calculateCreateCost()

calculateCreateCost(initcodeSize, deployedSize): object
Defined in: src/primitives/GasConstants/calculateCreateCost.js:23 Calculate contract creation gas cost

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Parameters

initcodeSize
bigint Size of initcode in bytes
deployedSize
bigint Size of deployed bytecode in bytes

​
Returns

object Gas cost breakdown
base
base: bigint
dynamic
dynamic: bigint
total
total: bigint

​
Throws

If initcode size exceeds maximum

​
Example

const result = calculateCreateCost(1000n, 500n);
// { base: 32000n, initcode: ..., deployed: ..., total: ... }

​
calculateKeccak256Cost()

calculateKeccak256Cost(dataSize): bigint
Defined in: src/primitives/GasConstants/calculateKeccak256Cost.js:14 Calculate KECCAK256 gas cost

​
Parameters

dataSize
bigint Size of data in bytes

​
Returns

bigint Total gas cost

​
Example

const cost = calculateKeccak256Cost(64n); // 30 + (2 * 6) = 42 gas

​
calculateLogCost()

calculateLogCost(topicCount, dataSize): bigint
Defined in: src/primitives/GasConstants/calculateLogCost.js:16 Calculate LOG gas cost

​
Parameters

topicCount
bigint Number of topics (0-4)
dataSize
bigint Size of log data in bytes

​
Returns

bigint Total gas cost

​
Example

const cost = calculateLogCost(2n, 64n); // LOG2 with 64 bytes
// 375 + (2 * 375) + (64 * 8) = 1637 gas

​
calculateMaxRefund()

calculateMaxRefund(gasUsed): bigint
Defined in: src/primitives/GasConstants/calculateMaxRefund.js:9 Calculate maximum gas refund

​
Parameters

gasUsed
bigint Total gas used in transaction

​
Returns

bigint Maximum refundable gas

​
calculateMemoryExpansionCost()

calculateMemoryExpansionCost(oldSize, newSize): object
Defined in: src/primitives/GasConstants/calculateMemoryExpansionCost.js:16 Calculate memory expansion cost

​
Parameters

oldSize
bigint Previous memory size in bytes
newSize
bigint New memory size in bytes

​
Returns

object Memory expansion cost
expansionCost
expansionCost: bigint
newCost
newCost: bigint
oldCost
oldCost: bigint
words
words: bigint

​
Example

const expansion = calculateMemoryExpansionCost(64n, 128n);
// { oldCost, newCost, expansionCost, words }

​
calculateSstoreCost()

calculateSstoreCost(isWarm, currentValue, newValue): object
Defined in: src/primitives/GasConstants/calculateSstoreCost.js:24 Calculate SSTORE gas cost

​
Parameters

isWarm
boolean Whether slot is warm (previously accessed)
currentValue
bigint Current storage value (0n if empty)
newValue
bigint New storage value

​
Returns

object Gas cost and potential refund
cost
cost: bigint
refund
refund: bigint

​
Example

const result = calculateSstoreCost(false, 0n, 100n);
// { cost: 22100n, refund: 0n } - cold + set

​
calculateTxIntrinsicGas()

calculateTxIntrinsicGas(data, isCreate): bigint
Defined in: src/primitives/GasConstants/calculateTxIntrinsicGas.js:22 Calculate transaction intrinsic gas cost

​
Parameters

data
Uint8Array<ArrayBufferLike> Transaction calldata
isCreate
boolean Whether transaction creates a contract

​
Returns

bigint Intrinsic gas cost

​
Example

const data = new Uint8Array([0, 1, 2, 0, 0]);
const cost = calculateTxIntrinsicGas(data, false);
// 21000 + (3 * 4) + (2 * 16) = 21044 gas

​
callCost()

callCost(this): object
Defined in: src/primitives/GasConstants/callCost.js:9 Calculate CALL operation gas cost (convenience form with this:)

​
Parameters

this
availableGas
bigint
hasValue
boolean
isNewAccount
boolean
isWarm
boolean

​
Returns

object
base
base: bigint
dynamic
dynamic: bigint
forwarded
forwarded: bigint
stipend
stipend: bigint
total
total: bigint

​
copyCost()

copyCost(this): bigint
Defined in: src/primitives/GasConstants/copyCost.js:9 Calculate copy operation gas cost (convenience form with this:)

​
Parameters

this
bigint

​
Returns

bigint

​
createCost()

createCost(this): object
Defined in: src/primitives/GasConstants/createCost.js:9 Calculate contract creation gas cost (convenience form with this:)

​
Parameters

this
deployedSize
bigint
initcodeSize
bigint

​
Returns

object
base
base: bigint
dynamic
dynamic: bigint
total
total: bigint

​
getColdAccountAccessCost()

getColdAccountAccessCost(hardfork): bigint
Defined in: src/primitives/GasConstants/getColdAccountAccessCost.js:10 Get cold account access cost for hardfork

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

bigint Gas cost

​
getColdSloadCost()

getColdSloadCost(hardfork): bigint
Defined in: src/primitives/GasConstants/getColdSloadCost.js:10 Get cold storage cost for hardfork

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

bigint Gas cost

​
getSelfdestructRefund()

getSelfdestructRefund(hardfork): bigint
Defined in: src/primitives/GasConstants/getSelfdestructRefund.js:10 Get selfdestruct refund for hardfork

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

bigint Gas refund amount

​
getSstoreRefund()

getSstoreRefund(hardfork): bigint
Defined in: src/primitives/GasConstants/getSstoreRefund.js:10 Get storage refund for hardfork

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

bigint Gas refund amount

​
hasEIP1153()

hasEIP1153(hardfork): boolean
Defined in: src/primitives/GasConstants/hasEIP1153.js:7 Check if a hardfork includes EIP-1153 (transient storage)

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

boolean Whether hardfork includes EIP-1153

​
hasEIP2929()

hasEIP2929(hardfork): boolean
Defined in: src/primitives/GasConstants/hasEIP2929.js:7 Check if a hardfork includes EIP-2929 (cold/warm access costs)

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

boolean Whether hardfork includes EIP-2929

​
hasEIP3529()

hasEIP3529(hardfork): boolean
Defined in: src/primitives/GasConstants/hasEIP3529.js:7 Check if a hardfork includes EIP-3529 (reduced refunds)

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

boolean Whether hardfork includes EIP-3529

​
hasEIP3860()

hasEIP3860(hardfork): boolean
Defined in: src/primitives/GasConstants/hasEIP3860.js:7 Check if a hardfork includes EIP-3860 (initcode size limit)

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

boolean Whether hardfork includes EIP-3860

​
hasEIP4844()

hasEIP4844(hardfork): boolean
Defined in: src/primitives/GasConstants/hasEIP4844.js:7 Check if a hardfork includes EIP-4844 (blob transactions)

​
Parameters

hardfork
Hardfork EVM hardfork

​
Returns

boolean Whether hardfork includes EIP-4844

​
keccak256Cost()

keccak256Cost(this): bigint
Defined in: src/primitives/GasConstants/keccak256Cost.js:9 Calculate KECCAK256 gas cost (convenience form with this:)

​
Parameters

this
bigint

​
Returns

bigint Total gas cost

​
logCost()

logCost(this): bigint
Defined in: src/primitives/GasConstants/logCost.js:9 Calculate LOG gas cost (convenience form with this:)

​
Parameters

this
dataSize
bigint
topicCount
bigint

​
Returns

bigint

​
maxRefund()

maxRefund(this): bigint
Defined in: src/primitives/GasConstants/maxRefund.js:9 Calculate maximum gas refund (convenience form with this:)

​
Parameters

this
bigint

​
Returns

bigint

​
memoryExpansionCost()

memoryExpansionCost(this): object
Defined in: src/primitives/GasConstants/memoryExpansionCost.js:9 Calculate memory expansion cost (convenience form with this:)

​
Parameters

this
newSize
bigint
oldSize
bigint

​
Returns

object
expansionCost
expansionCost: bigint
newCost
newCost: bigint
oldCost
oldCost: bigint
words
words: bigint

​
sstoreCost()

sstoreCost(this): object
Defined in: src/primitives/GasConstants/sstoreCost.js:9 Calculate SSTORE gas cost (convenience form with this:)

​
Parameters

this
currentValue
bigint
isWarm
boolean
newValue
bigint

​
Returns

object
cost
cost: bigint
refund
refund: bigint

​
txIntrinsicGas()

txIntrinsicGas(this): bigint
Defined in: src/primitives/GasConstants/txIntrinsicGas.js:9 Calculate transaction intrinsic gas cost (convenience form with this:)

​
Parameters

this
data
Uint8Array
isCreate
boolean

​
Returns

bigint