Module gas

EVM gas calculation utilities.

Structs

Gas

Represents the state of gas during execution.

Constants

ACCESS_LIST_ADDRESS

ACCESS_LIST_STORAGE_KEY

BASE

BLOCKHASH

CALLVALUE

CALL_STIPEND

CODEDEPOSIT

COLD_ACCOUNT_ACCESS_COST

COLD_SLOAD_COST

CONDITION_JUMP_GAS

COPY

CREATE

DATA_LOADN_GAS

DATA_LOAD_GAS

EOF_CREATE_GAS

EXP

HIGH

INITCODE_WORD_COST

EIP-3860 : Limit and meter initcode

INSTANBUL_SLOAD_GAS

EIP-1884: Repricing for trie-size-dependent opcodes

JUMPDEST

KECCAK256

KECCAK256WORD

LOG

LOGDATA

LOGTOPIC

LOW

MEMORY

MID

MIN_CALLEE_GAS

NEWACCOUNT

REFUND_SSTORE_CLEARS

RETF_GAS

SELFDESTRUCT

SSTORE_RESET

SSTORE_SET

TRANSACTION_NON_ZERO_DATA_FRONTIER

TRANSACTION_NON_ZERO_DATA_INIT

TRANSACTION_ZERO_DATA

VERYLOW

WARM_SSTORE_RESET

WARM_STORAGE_READ_COST

ZERO

Functions

call_cost

Calculate call gas cost for the call instruction.

cost_per_word

Calculate the cost of buffer per word.

create2_cost

CREATE2 opcode cost calculation.

exp_cost

EXP opcode cost calculation.

extcodecopy_cost

EXTCODECOPY opcode cost calculation.

initcode_cost

EIP-3860: Limit and meter initcode

keccak256_cost

KECCAK256 opcode cost calculation.

log_cost

LOG opcode cost calculation.

memory_gas

Memory expansion cost calculation for a given number of words.

memory_gas_for_len

Memory expansion cost calculation for a given memory length.

selfdestruct_cost

SELFDESTRUCT opcode cost calculation.

sload_cost

SLOAD opcode cost calculation.

sstore_cost

SSTORE opcode cost calculation.

sstore_refund

SSTORE opcode refund calculation.

validate_initial_tx_gas

Initial gas that is deducted for transaction to be included. Initial gas contains initial stipend gas, gas for access list and input data.

verylowcopy_cost

*COPY opcodes cost calculation.

warm_cold_cost

Berlin warm and cold storage access cost for account access.

warm_cold_cost_with_delegation

Berlin warm and cold storage access cost for account access.