Biconomy

// Biconomy Imports
import { IPaymaster, BiconomyPaymaster } from "@biconomy/paymaster";
import { IBundler, Bundler } from "@biconomy/bundler";
import { BiconomySmartAccountV2, DEFAULT_ENTRYPOINT_ADDRESS } from "@biconomy/account";
import { Wallet, providers, ethers } from "ethers";
import { ChainId } from "@biconomy/core-types";
import { ECDSAOwnershipValidationModule, DEFAULT_ECDSA_OWNERSHIP_MODULE } from "@biconomy/modules";

CHAIN = ChainId.POLYGON_MUMBAI; // or any supported chain of your choice

// Set up instances of Bundler and Paymaster.
// Alternatively you can also use the Multi chain Module this way.
const bundler: IBundler = new Bundler({
  // get from biconomy dashboard https://dashboard.biconomy.io/
  bundlerUrl: "",
  chainId: CHAIN,
  entryPointAddress: DEFAULT_ENTRYPOINT_ADDRESS,
});

const paymaster: IPaymaster = new BiconomyPaymaster({
  // get from biconomy dashboard https://dashboard.biconomy.io/
  paymasterUrl: "",
});

// create capsule ethers signer
const provider = new ethers.JsonRpcProvider(CHAIN_PROVIDER, CHAIN);

const signer = new CapsuleEthersSigner(capsule, provider);

// create the biconomy smart account with a capsule ethers signer
const connect = async () => {
  try {
    const module = await ECDSAOwnershipValidationModule.create({
      signer: signer,
      moduleAddress: DEFAULT_ECDSA_OWNERSHIP_MODULE,
    });

    let biconomySmartAccount = await BiconomySmartAccountV2.create({
      chainId: ChainId.POLYGON_MUMBAI,
      bundler: bundler,
      paymaster: paymaster,
      entryPointAddress: DEFAULT_ENTRYPOINT_ADDRESS,
      defaultValidationModule: module,
      activeValidationModule: module,
    });

    const address = await biconomySmartAccount.getAccountAddress();
  } catch (error) {
    console.error(error);
  }
};