viem/_esm/zksync/utils/bridge/undoL1ToL2Alias.js

TypeScript Interface for Ethereum

import { pad, toHex } from '../../../utils/index.js';
import { addressModulo, l1ToL2AliasOffset } from '../../constants/address.js';
/**
 * Converts and returns the `msg.sender` viewed on L2 to the address that submitted a transaction to the inbox on L1.
 *
 * @param address - The sender address viewed on L2.
 * @returns address - The hash of the L2 priority operation.
 *
 * @example
 * import { undoL1ToL2Alias } from 'viem/zksync'
 *
 * const l2ContractAddress = "0x813A42B8205E5DedCd3374e5f4419843ADa77FFC";
 * const l1ContractAddress = utils.undoL1ToL2Alias(l2ContractAddress);
 * // const l1ContractAddress = "0x702942B8205E5dEdCD3374E5f4419843adA76Eeb"
 */
export function undoL1ToL2Alias(address) {
    let result = BigInt(address) - BigInt(l1ToL2AliasOffset);
    if (result < 0n)
        result += addressModulo;
    return pad(toHex(result), { size: 20 });
}
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