Integrate Web3Auth with TON Blockchain for a Telegram Mini App

import ReactDOM from "react-dom/client";
import "./index.css";
import App from "./App";
import reportWebVitals from "./reportWebVitals";
import WebApp from "@twa-dev/sdk";
import { Auth0Provider } from "@auth0/auth0-react";

WebApp.ready();

const root = ReactDOM.createRoot(document.getElementById("root") as HTMLElement);
root.render(
  <Auth0Provider
    domain="web3auth.au.auth0.com"
    clientId="hiLqaop0amgzCC0AXo4w0rrG9abuJTdu"
    authorizationParams={{
      redirect_uri: window.location.origin,
      connection: "github",
    }}
  >
    <App />
  </Auth0Provider>
);

// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();

const rpc = await getHttpEndpoint({
  network: "testnet",
  protocol: "json-rpc",
});

class TonRPC {
  private provider: IProvider;
  private tonweb: TonWeb;

  constructor(provider: IProvider) {
    this.provider = provider;
    this.tonweb = new TonWeb(new TonWeb.HttpProvider(rpc));
  }

  async getAccounts(): Promise<string> {
    const privateKey = await this.getPrivateKey();
    const keyPair = this.getKeyPairFromPrivateKey(privateKey);
    const WalletClass = this.tonweb.wallet.all["v3R2"];
    const wallet = new WalletClass(this.tonweb.provider, {
      publicKey: keyPair.publicKey,
    });
    const address = await wallet.getAddress();
    return address.toString(true, true, true);
  }

  // ... more methods like getBalance, sendTransaction, signMessage
}

import { useEffect, useState } from "react";
import { Web3Auth, decodeToken } from "@web3auth/single-factor-auth";
import { CHAIN_NAMESPACES, WEB3AUTH_NETWORK } from "@web3auth/base";
import { CommonPrivateKeyProvider } from "@web3auth/base-provider";
import { getHttpEndpoint } from "@orbs-network/ton-access";
import { useAuth0 } from "@auth0/auth0-react";
import "./App.css";

const testnetRpc = await getHttpEndpoint({
  network: "testnet",
  protocol: "json-rpc",
});
const verifier = "w3a-a0-github-demo";
const clientId =
  "BPi5PB_UiIZ-cPz1GtV5i1I2iOSOHuimiXBI0e-Oe_u6X3oVAbCiAZOTEBtTXw4tsluTITPqA8zMsfxIKMjiqNQ";

const chainConfig = {
  chainNamespace: CHAIN_NAMESPACES.OTHER,
  chainId: "testnet",
  rpcTarget: testnetRpc,
  displayName: "TON Testnet",
  blockExplorerUrl: "https://testnet.tonscan.org",
  ticker: "TON",
  tickerName: "Toncoin",
};

const privateKeyProvider = new CommonPrivateKeyProvider({
  config: { chainConfig },
});

// Initialize Web3Auth with necessary configurations
const web3authSfa = new Web3Auth({
  clientId,
  web3AuthNetwork: WEB3AUTH_NETWORK.SAPPHIRE_MAINNET,
  usePnPKey: false,
  privateKeyProvider,
});

   function App() {
     const [isLoggingIn, setIsLoggingIn] = useState(false);
     const [loggedIn, setLoggedIn] = useState(false);
     const { isAuthenticated, isLoading, getIdTokenClaims, loginWithRedirect, logout: auth0Logout } = useAuth0();
     const [provider, setProvider] = useState<any>(null);

     useEffect(() => {
       const init = async () => {
         try {
           await web3authSfa.init();
           if (web3authSfa.status === "connected") {
             setLoggedIn(true);
             setProvider(web3authSfa.provider);
           }
         } catch (error) {
           console.error("Error during Web3Auth initialization:", error);
         }
       };

       init();
     }, []);

const login = async () => {
  if (!web3authSfa) {
    uiConsole("Web3Auth Single Factor Auth SDK not initialized yet");
    return;
  }
  if (web3authSfa.status === "not_ready") {
    await web3authSfa.init();
  }
  await loginWithRedirect();
};

// Attempt to connect to Web3Auth when authenticated
const connectWeb3Auth = async () => {
  if (isAuthenticated && !loggedIn && web3authSfa.status === "ready") {
    try {
      setIsLoggingIn(true);
      const idToken = (await getIdTokenClaims())?.__raw; // Retrieve raw ID token from Auth0
      if (!idToken) {
        console.error("No ID token found");
        return;
      }
      const { payload } = decodeToken(idToken); // Decode the token to access its payload

      // Connect to Web3Auth using the verifier, verifierId, and idToken
      await web3authSfa.connect({
        verifier,
        verifierId: (payload as any).sub,
        idToken: idToken,
      });
      // Update state to reflect successful login
      setIsLoggingIn(false);
      setLoggedIn(true);
      setProvider(web3authSfa.provider);
    } catch (err) {
      setIsLoggingIn(false);
      console.error("Error during Web3Auth connection:", err);
    }
  }
};

useEffect(() => {
  connectWeb3Auth();
}, [isAuthenticated, loggedIn, getIdTokenClaims]);

   const loginView = (
     <>
       <div className="flex-container">
         <div>
           <button onClick={getUserInfo} className="card">
             Get User Info
           </button>
         </div>
         <div>
           <button onClick={authenticateUser} className="card">
             Authenticate User
           </button>
         </div>
         <div>
           <button onClick={getAccounts} className="card">
             Get Accounts
           </button>
         </div>
         {/* Add more buttons and implement the corresponding functions as per your need */}
         ...
       </div>

       <div id="console" style={{ whiteSpace: "pre-line" }}>
         <p style={{ whiteSpace: "pre-line" }}></p>
       </div>
     </>
   );

   const logoutView = (
     <button onClick={login} className="card">
       Login
     </button>
   );

   return (
     <div className="container">
       <h1 className="title">
         <a target="_blank" href="https://web3auth.io/docs/sdk/core-kit/sfa-web" rel="noreferrer">
           Web3Auth
         </a>{" "}
         SFA React Ton GitHub Example
       </h1>

       {isLoading || isLoggingIn ? <Loading /> : <div className="grid">{web3authSfa ? (loggedIn ? loginView : logoutView) : null}</div>}

     </div>
   );