Send USDC on Polygon chain to DAI on Arbitrum chain

send-poly-usdc-to-arb-dai.ts

import { Path, Socket } from "@socket.tech/socket-v2-sdk";
import { ethers } from "ethers";

const PRIVATE_KEY = '<Paste your Private key here>'
const wallet = new ethers.Wallet(PRIVATE_KEY)

const socket = new Socket({
  apiKey: "72a5b4b0-e727-48be-8aa1-5da9d62fe635",
});
const fromAmount = '2'
const rpcURL = 'https://polygon-mainnet.g.alchemy.com/v2/kQ36fgi3Kg_pdtsBv8wjaX3tuw1m-YcC'
const provider = new ethers.providers.JsonRpcProvider(rpcURL)

async function test() {
  const tokenList = await socket.getTokenList({
    fromChainId: 137,
    toChainId: 42161,
  });

  const fromUSDCPoly =
    tokenList.from.tokenByAddress('0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174');
  const toDAIArb = tokenList.to.tokenByAddress('0xda10009cbd5d07dd0cecc66161fc93d7c9000da1');
  const path = new Path({ fromToken: fromUSDCPoly, toToken: toDAIArb });
  const amount = ethers.utils.parseUnits(fromAmount, fromUSDCPoly.decimals).toString();
  const address = await wallet.getAddress()


  const quote = await socket.getBestQuote({
    path,
    amount, // 1 ETH
    address,
  });
  if (!quote) {
    throw new Error("No quote found");
  }
  const execute = await socket.start(quote)
  let next = await execute.next();

  while (!next.done && next.value) {
    const tx = next.value;
    const approvalTxData = await tx.getApproveTransaction()
    if (approvalTxData) {
      const approvalTx = await wallet.connect(provider).sendTransaction(approvalTxData);
      console.log(`Approving: ${approvalTx.hash}`);
      await approvalTx.wait();
    }

    const sendTxData = await tx.getSendTransaction();
    const sendTx = await wallet.connect(provider).sendTransaction(sendTxData);
    console.log(`Sending: ${sendTx.hash}`);
    await sendTx.wait();
    next = await execute.next(sendTx.hash);
  }
}

test()