monitor-eth-deposit-status.ts

import { providers } from 'ethers';
import { arbLog, requireEnvVariables, addCustomNetworkFromFile } from 'arb-shared-dependencies';
import { EthL1L3Bridger, ParentToChildMessageStatus, getArbitrumNetwork } from '@arbitrum/sdk';
require('dotenv').config();
requireEnvVariables(['CHAIN_RPC', 'PARENT_CHAIN_RPC', 'L1_RPC']);

/**
 * Set up: instantiate wallets connected to providers
 */
const l1Provider = new providers.JsonRpcProvider(process.env.L1_RPC);
const l2Provider = new providers.JsonRpcProvider(process.env.PARENT_CHAIN_RPC);
const l3Provider = new providers.JsonRpcProvider(process.env.CHAIN_RPC);

const statusToText = {
  NA: 'N/A',
  [ParentToChildMessageStatus.REDEEMED]: 'REDEEMED',
  [ParentToChildMessageStatus.CREATION_FAILED]: 'CREATION_FAILED',
  [ParentToChildMessageStatus.EXPIRED]: 'EXPIRED',
  [ParentToChildMessageStatus.FUNDS_DEPOSITED_ON_CHILD]: 'FUNDS_DEPOSITED_ON_L2',
  [ParentToChildMessageStatus.NOT_YET_CREATED]: 'NOT_YET_CREATED',
};

const main = async (txHash: string) => {
  await arbLog(`Monitoring deposit status`);

  /**
   * Add the custom network configuration to the SDK if present
   */
  addCustomNetworkFromFile();

  /**
   * Use L3 Network to initialize a bridger
   */
  const l3Network = await getArbitrumNetwork(l3Provider);
  const bridger = new EthL1L3Bridger(l3Network);

  /**
   * Get deposit status
   */
  console.log('Getting deposit status...');
  const depositStatus = await bridger.getDepositStatus({
    txHash,
    l1Provider,
    l2Provider,
    l3Provider,
  });

  /**
   * If any of these retryables fail (i.e. FUNDS_DEPOSITED_ON_CHILD), manually redeem them in the order displayed below
   * Note that anyone can manually redeem these retryables, not just the sender of the deposit
   */
  console.log(`L1-to-L2 retryable: ${statusToText[await depositStatus.l2Retryable.status()]}`);
  console.log(
    `L2-to-L3 retryable: ${
      statusToText[
        (await depositStatus.l3Retryable?.status()) || ParentToChildMessageStatus.NOT_YET_CREATED
      ]
    }`,
  );
  console.log(`Completed: ${depositStatus.completed}`);
};

if (!process.argv[2]) {
  console.error('Please provide a transaction hash');
  process.exit(1);
}

main(process.argv[2]);