Module gas

Expand description

EVM gas calculation utilities.

Structs§

Gas: Represents the state of gas during execution.
InitialAndFloorGas: Init and floor gas from transaction
MemoryGas: Utility struct that speeds up calculation of memory expansion It contains the current memory length and its memory expansion cost.

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
ISTANBUL_SLOAD_GAS: EIP-1884: Repricing for trie-size-dependent opcodes
JUMPDEST
KECCAK256
KECCAK256WORD
LOG
LOGDATA
LOGTOPIC
LOW
MEMORY
MID
MIN_CALLEE_GAS
NEWACCOUNT
NON_ZERO_BYTE_DATA_COST: The cost of a non-zero byte in calldata.
NON_ZERO_BYTE_DATA_COST_ISTANBUL: The cost of a non-zero byte in calldata adjusted by EIP-2028.
NON_ZERO_BYTE_MULTIPLIER: The multiplier for a non zero byte in calldata.
NON_ZERO_BYTE_MULTIPLIER_ISTANBUL: The multiplier for a non zero byte in calldata adjusted by EIP-2028.
REFUND_SSTORE_CLEARS
RETF_GAS
SELFDESTRUCT
SSTORE_RESET
SSTORE_SET
STANDARD_TOKEN_COST: The standard cost of calldata token.
TOTAL_COST_FLOOR_PER_TOKEN
VERYLOW
WARM_SSTORE_RESET
WARM_STORAGE_READ_COST
ZERO

calc_tx_floor_cost: Calculate the transaction cost floor as specified in EIP-7623.
calculate_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.
calculate_initial_tx_gas_for_tx: Initial gas that is deducted for transaction to be included. Initial gas contains initial stipend gas, gas for access list and input data.
call_cost: Calculate call gas cost for the call instruction.
copy_cost
copy_cost_verylow: *COPY opcodes cost calculation.
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.
get_tokens_in_calldata: Retrieve the total number of tokens in calldata.
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.
selfdestruct_cost: SELFDESTRUCT opcode cost calculation.
sload_cost: SLOAD opcode cost calculation.
sstore_cost: SSTORE opcode cost calculation.
sstore_refund: SSTORE opcode refund 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.