Leveraging Particle WaaS as a signer within Alchemy's Account Kit

accountkit-example.ts

import { ParticleNetwork } from '@particle-network/auth';
import { ParticleProvider } from '@particle-network/provider';
import { AlchemyProvider } from "@alchemy/aa-alchemy";
import { LightSmartContractAccount } from "@alchemy/aa-accounts";
import { polygonMumbai } from "viem/chains";
import { createWalletClient, custom } from "viem";
import { WalletClientSigner, SmartAccountSigner } from "@alchemy/aa-core";

const particle = new ParticleNetwork({
  projectId: process.env.REACT_APP_PROJECT_ID as string,
  clientKey: process.env.REACT_APP_CLIENT_KEY as string,
  appId: process.env.REACT_APP_APP_ID as string,
  chainName: 'polygon',
  chainId: 80001,
});

const particleProvider = new ParticleProvider(particle.auth);

// Assumes user has logged in with something like particle.auth.login(), Particle Connect, or through other misc. connection

const particleWalletClient = createWalletClient({
  transport: custom(particleProvider),
});

export const particleSigner: SmartAccountSigner = new WalletClientSigner(
  particleWalletClient,
  "particle"
);

const chain = polygonMumbai;
const ENTRY_POINT_CONTRACT_ADDRESS = "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789";
const FACTORY_CONTRACT_ADDRESS = "0x000000893A26168158fbeaDD9335Be5bC96592E2";

const provider = new AlchemyProvider({
  apiKey: process.env.ALCHEMY_API_KEY as string,
  chain,
  entryPointAddress: ENTRY_POINT_CONTRACT_ADDRESS,
}).connect(
  (rpcClient) =>
    new LightSmartContractAccount({
      entryPointAddress: ENTRY_POINT_CONTRACT_ADDRESS,
      chain: rpcClient.chain,
      owner: particleSigner,
      factoryAddress: FACTORY_CONTRACT_ADDRESS,
      rpcClient,
    })
);