withdraw-message.ts

import { ethers } from "ethers";
import { getMessenger, l1Provider, l2Provider } from "./common/messenger";
import { TEST_EOAS } from "./common/eoa";

// withdraw message for prove withdraw
// withdraw message for finalize withdraw
async function main(tx: string) {
    const from = TEST_EOAS[0];
    const l1Wallet = new ethers.Wallet(from.privateKey, l1Provider);

    const l2Wallet = new ethers.Wallet(from.privateKey, l2Provider);
    const messenger = getMessenger(l1Wallet, l2Wallet);

    /*
        initiate(L2)

        L2StandardBridge -> L2CrossDomainMessenger -> L2ToL1MessagePasser

        {
            direction: 1,
            target: '0xfe36E31dFE8Cb3A3Aa0CB9f35B191DdB5451b090',
            sender: '0x4200000000000000000000000000000000000010',
            message: '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',
            messageNonce: BigNumber {
                _hex: '0x01000000000000000000000000000000000000000000000000000000000002',
                _isBigNumber: true
            },
            value: BigNumber { _hex: '0x00', _isBigNumber: true },
            minGasLimit: BigNumber { _hex: '0x00', _isBigNumber: true },
            logIndex: 5,
            blockNumber: 8333,
            transactionHash: '0x11268a9ccad7dfaf287ac5771bb2fa226d6cabab1247bbe8ca1bfbdbe0cb74de'
        }
    */
    const resolved = await messenger.toCrossChainMessage(tx);
    console.log(resolved);

    /*
        prove(L1)
        
        OptimismPortal 
        
        {
            messageNonce: BigNumber {
                _hex: '0x01000000000000000000000000000000000000000000000000000000000002',
                _isBigNumber: true
            },
            sender: '0x4200000000000000000000000000000000000007',
            target: '0xd787A42Ee3ac477c46Dd6C912e7af795D44453d5',
            value: BigNumber { _hex: '0x00', _isBigNumber: true },
            minGasLimit: BigNumber { _hex: '0x046988', _isBigNumber: true },
            message: '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'
        }
    */
    const withdrawal = await messenger.toLowLevelMessage(resolved);
    console.log(withdrawal)

    /*
        finalize(L1) - claim
        finalize inner transaction
        OptimismPortal  -> L1CrossDomainMessenger     -> L1StandardBridge
                           (toLowLevelMessage.target)    (included toLowLevelMessage.message)

        toLowLevelMessage.target: L1CrossDomainMessenger address
        toLowLevelMessage.message: message
        
        OptimismPortal.finalizeWithdrawalTransaction는 L1CrossDomainMessenger address를 호출. 이때 calldata로 toLowLevelMessage.message을 넣어줌

        toLowLevelMessage.message는 L1StandardBridge.FinalizeBridgeETH(FinalizeBridgeERC20)을 호출하는 calldata와 L1StandardBridge address를 포함한다.
    */

    // =========== inner transaction 1 ===========
    console.log('OptimismPortal.finalizeWithdrawalTransaction 호출 시 첫 번째 인자로 전달되는 요소')
    console.log(withdrawal)

    // =========== inner transaction 2 ===========
    const decodePassL1CrossDomainMessenger = messenger.contracts.l1.L1CrossDomainMessenger.interface.decodeFunctionData(
        'relayMessage',
        withdrawal.message
    );
    console.log('L1CrossDomainMessenger.relayMessage 호출 시 전달되는 요소');
    console.log(decodePassL1CrossDomainMessenger);

    // =========== inner transaction 3 ===========
    // 해당 inner transaction에서 실제 출금이 이루어짐
    try {
        const decodePassL1StandardBridge = messenger.contracts.l1.L1StandardBridge.interface.decodeFunctionData(
            'finalizeBridgeERC20', // finalizeBridgeERC20 or finalizeBridgeETH
            decodePassL1CrossDomainMessenger._message
        );
        console.log('L1StandardBridge.finalizeBridgeERC20 호출 시 전달되는 요소');
        console.log(decodePassL1StandardBridge);
    } catch {
        const decodePassL1StandardBridge = messenger.contracts.l1.L1StandardBridge.interface.decodeFunctionData(
            'finalizeBridgeETH', // finalizeBridgeERC20 or finalizeBridgeETH
            decodePassL1CrossDomainMessenger._message
        );
        console.log('L1StandardBridge.finalizeBridgeETH 호출 시 전달되는 요소');
        console.log(decodePassL1StandardBridge);
    }
}

main('0x11268a9ccad7dfaf287ac5771bb2fa226d6cabab1247bbe8ca1bfbdbe0cb74de');