Ethereum에서 OP Stack 트랜잭션 트리거하기

mkdir trigger-transaction
cd trigger-transaction

pnpm init

pnpm add viem

const { createPublicClient, createWalletClient, http, parseEther, formatEther } = require('viem');
const { optimismSepolia, sepolia } = require('viem/chains');
const { privateKeyToAccount } = require('viem/accounts');
const { publicActionsL2, publicActionsL1, walletActionsL2, walletActionsL1, getL2TransactionHashes } = require ('viem/op-stack')

const privateKey = process.env.TUTORIAL_PRIVATE_KEY;
const account = privateKeyToAccount(privateKey);

const l1PublicClient = createPublicClient({ chain: sepolia, transport: http("https://rpc.ankr.com/eth_sepolia") }).extend(publicActionsL1())
const l2PublicClient = createPublicClient({ chain: optimismSepolia, transport: http("https://sepolia.optimism.io") }).extend(publicActionsL2());
const l1WalletClient = createWalletClient({ chain: sepolia, transport: http("https://rpc.ankr.com/eth_sepolia") }).extend(walletActionsL1());

const optimismPortalAbi = [
    {
    inputs: [
        { internalType: 'uint256', name: '_gasLimit', type: 'uint256' },
        { internalType: 'bytes', name: '_data', type: 'bytes' },
    ],
    name: 'depositTransaction',
    outputs: [],
    stateMutability: 'payable',
    type: 'function',
    },
];

const optimismPortalAddress = '0x5b47E1A08Ea6d985D6649300584e6722Ec4B1383';
const gasLimit = 100000n;
const data = '0x';
const value = parseEther('0.000069420');

const gasEstimate = await l1PublicClient.estimateContractGas({
    address: optimismPortalAddress,
    abi: optimismPortalAbi,
    functionName: 'depositTransaction',
    args: [gasLimit, data],
    value,
    account: account.address,
});

const { request } = await l1PublicClient.simulateContract({
    account,
    address: optimismPortalAddress,
    abi: optimismPortalAbi,
    functionName: 'depositTransaction',
    args: [gasLimit, data],
    value,
    gas: gasEstimate * 120n / 100n, // 20% buffer
  })

const l1TxHash = await l1WalletClient.writeContract(request)
console.log(`L1 transaction hash: ${l1TxHash}`)

const l1TxHash = await l1WalletClient.writeContract(request)

const [l2Hash] = getL2TransactionHashes(l1TxHash) 
console.log(`Corresponding L2 transaction hash: ${l2Hash}`);

const l2Receipt = await l2PublicClient.waitForTransactionReceipt({
    hash: l2Hash,
}); 
console.log('L2 transaction confirmed:', l2Receipt);