@polygon-hermez/vm
Version:
An Ethereum VM implementation
37 lines (36 loc) • 1.66 kB
TypeScript
/// <reference types="bn.js" />
/// <reference types="node" />
import Common from '@ethereumjs/common';
import { Address, BN } from 'ethereumjs-util';
import { RunState } from './../interpreter';
/**
* 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)
* @param {RunState} runState
* @param {BN} address
* @param {Common} common
* @param {Boolean} chargeGas (default: true)
* @param {Boolean} isSelfdestruct (default: false)
*/
export declare function accessAddressEIP2929(runState: RunState, address: Address, common: Common, chargeGas?: boolean, isSelfdestruct?: boolean): BN;
/**
* 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 {Buffer} key (to storage slot)
* @param {Common} common
*/
export declare function accessStorageEIP2929(runState: RunState, key: Buffer, isSstore: boolean, common: Common): BN;
/**
* Adjusts cost of SSTORE_RESET_GAS or SLOAD (aka sstorenoop) (EIP-2200) downward when storage
* location is already warm
* @param {RunState} runState
* @param {Buffer} key storage slot
* @param {BN} defaultCost SSTORE_RESET_GAS / SLOAD
* @param {string} costName parameter name ('noop')
* @param {Common} common
* @return {BN} adjusted cost
*/
export declare function adjustSstoreGasEIP2929(runState: RunState, key: Buffer, defaultCost: BN, costName: string, common: Common): BN;