@ethereumjs/evm/dist/esm/opcodes/EIP2929.d.ts

JavaScript Ethereum Virtual Machine (EVM) implementation

import type { Common } from '@ethereumjs/common';
import type { RunState } from '../interpreter.ts';
/**
 * Returns the gas cost for accessing an address WITHOUT any side effects.
 * Use this to check if you have enough gas before committing to the access.
 *
 * @param {RunState} runState
 * @param {Uint8Array} address
 * @param {Common} common
 * @param {Boolean} chargeGas (default: true)
 * @param {Boolean} isSelfdestruct (default: false)
 * @returns {bigint} The gas cost for this address access
 */
export declare function getAddressAccessCost(runState: RunState, address: Uint8Array, common: Common, chargeGas?: boolean, isSelfdestruct?: boolean): bigint;
/**
 * Warms an address (adds to EIP-2929 accessed addresses set).
 * Call this AFTER verifying you have enough gas for the access.
 *
 * @param {RunState} runState
 * @param {Uint8Array} address
 */
export declare function warmAddress(runState: RunState, address: Uint8Array): void;
/**
 * Adds address to BAL (Block Access List) for EIP-7928.
 * Call this AFTER verifying you have enough gas for the access.
 *
 * @param {RunState} runState
 * @param {Uint8Array} address
 * @param {Common} common
 */
export declare function addAddressToBAL(runState: RunState, address: Uint8Array, common: Common): void;
/**
 * Adds address to accessedAddresses set if not already included.
 * Adjusts cost incurred for executing opcode based on whether address read
 * is warm/cold. (EIP 2929)
 *
 * This is a convenience function that combines getAddressAccessCost + warmAddress.
 * For fine-grained control (e.g., EIP-7928 BAL with OOG checks), use the
 * individual functions instead.
 *
 * @param {RunState} runState
 * @param {Uint8Array}  address
 * @param {Common}   common
 * @param {Boolean}  chargeGas (default: true)
 * @param {Boolean}  isSelfdestruct (default: false)
 */
export declare function accessAddressEIP2929(runState: RunState, address: Uint8Array, common: Common, chargeGas?: boolean, isSelfdestruct?: boolean): bigint;
/**
 * Adds (address, key) to accessedStorage tuple set if not already included.
 * Adjusts cost incurred for executing opcode based on whether storage read
 * is warm/cold. (EIP 2929)
 * @param {RunState} runState
 * @param {Uint8Array} key (to storage slot)
 * @param {Common} common
 */
export declare function accessStorageEIP2929(runState: RunState, key: Uint8Array, isSstore: boolean, common: Common, chargeGas?: boolean): bigint;
/**
 * Adjusts cost of SSTORE_RESET_GAS or SLOAD (aka sstorenoop) (EIP-2200) downward when storage
 * location is already warm
 * @param  {RunState} runState
 * @param  {Uint8Array}   key          storage slot
 * @param  {BigInt}   defaultCost  SSTORE_RESET_GAS / SLOAD
 * @param  {string}   costName     parameter name ('noop')
 * @param  {Common}   common
 * @return {BigInt}                adjusted cost
 */
export declare function adjustSstoreGasEIP2929(runState: RunState, key: Uint8Array, defaultCost: bigint, costName: string, common: Common): bigint;
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