Counterfactual deployment + Transaction using the Safe SDK relay-kit

counterfactual-base.mjs

import { ethers } from "ethers";
import { EthersAdapter } from "@safe-global/protocol-kit";
import { Safe4337Pack } from "@safe-global/relay-kit";

const SAFE_OWNER = "";
const RPC_URL = "https://sepolia.base.org";
const BUNDLER_URL = "https://api.pimlico.io/v2/84532/rpc?apikey=";
const PRIVATE_KEY = ""
const TX_TO_ADDRESS = ""

const provider = new ethers.JsonRpcProvider(RPC_URL);
const signer = new ethers.Wallet(PRIVATE_KEY, provider);

const ethersAdapter = new EthersAdapter({
  ethers,
  signerOrProvider: signer,
});

// Counterfactual + Transaction execution
let safe4337Pack = await Safe4337Pack.init({
  ethersAdapter,
  rpcUrl: RPC_URL,
  bundlerUrl: BUNDLER_URL,
  options: {
    owners: [SAFE_OWNER],
    threshold: 1,
  },
});

const safeAddress = await safe4337Pack.protocolKit.getAddress();
console.log("Safe Address:", safeAddress);
console.log(
  "Is Safe deployed: ",
  await safe4337Pack.protocolKit.isSafeDeployed()
);

const emptyTransaction = {
  to: TX_TO_ADDRESS,
  value: ethers.parseUnits("0.0001", "ether"),
  data: "0x",
};

let safeOperation = await safe4337Pack.createTransaction({
  transactions: [emptyTransaction],
});

let signedSafeOperation = await safe4337Pack.signSafeOperation(safeOperation);

await waitForUserOperation();

// Execute new transaction
safe4337Pack = await Safe4337Pack.init({
  ethersAdapter,
  rpcUrl: RPC_URL,
  bundlerUrl: BUNDLER_URL,
  options: {
    safeAddress,
  },
});

safeOperation = await safe4337Pack.createTransaction({
  transactions: [emptyTransaction],
});

signedSafeOperation = await safe4337Pack.signSafeOperation(safeOperation);

await waitForUserOperation();

async function waitForUserOperation() {
  let userOperationHash = await safe4337Pack.executeTransaction({
    executable: signedSafeOperation,
  });
  let userOperationReceipt = null;
  while (!userOperationReceipt) {
    await new Promise((resolve) => setTimeout(resolve, 2000));
    userOperationReceipt = await safe4337Pack.getUserOperationReceipt(
      userOperationHash
    );
  }

  console.group("User Operation Receipt and hash");
  console.log("User Operation Receipt", userOperationReceipt);
  console.log(
    "User Operation By Hash",
    await safe4337Pack.getUserOperationByHash(userOperationHash)
  );
  console.groupEnd();
}