freaPay/src/App.tsx

import React, { useState } from "react";
import { TezosToolkit } from "@taquito/taquito";
import "./App.css";
import ConnectButton from "./components/ConnectWallet";
import DisconnectButton from "./components/DisconnectWallet";
import qrcode from "qrcode-generator";
import UpdateContract from "./components/UpdateContract";
import Transfers from "./components/Transfers";
import BuyButton from "./components/BuyButton";

enum BeaconConnection {
  NONE = "",
  LISTENING = "Listening to P2P channel",
  CONNECTED = "Channel connected",
  PERMISSION_REQUEST_SENT = "Permission request sent, waiting for response",
  PERMISSION_REQUEST_SUCCESS = "Wallet is connected"
}

const App = () => {
  const [Tezos, setTezos] = useState<TezosToolkit>(
    new TezosToolkit("https://mainnet.api.tez.ie/")
  );
  const [contract, setContract] = useState<any>(undefined);
  const [publicToken, setPublicToken] = useState<string | null>("");
  const [wallet, setWallet] = useState<any>(null);
  const [userAddress, setUserAddress] = useState<string>("");
  const [userBalance, setUserBalance] = useState<number>(0);
  const [storage, setStorage] = useState<number>(0);
  const [copiedPublicToken, setCopiedPublicToken] = useState<boolean>(false);
  const [beaconConnection, setBeaconConnection] = useState<boolean>(false);
  const [activeTab, setActiveTab] = useState<string>("transfer");

  // Granadanet Increment/Decrement contract
  const contractAddress: string = "KT1K3XVNzsmur7VRgY8CAHPUENaErzzEpe4e";

  const generateQrCode = (): { __html: string } => {
    const qr = qrcode(0, "L");
    qr.addData(publicToken || "");
    qr.make();

    return { __html: qr.createImgTag(4) };
  };

  if (publicToken && (!userAddress || isNaN(userBalance))) {
    return (
      <div className="main-box">
        <h1>Taquito Boilerplate</h1>

        <div id="dialog">
          <header>Try the Taquito Boilerplate App!</header>
          <div id="content">
            <p className="text-align-center">
              <i className="fas fa-broadcast-tower"></i>&nbsp; Connecting to
              your wallet
            </p>
            <div
              dangerouslySetInnerHTML={generateQrCode()}
              className="text-align-center"
            ></div>
            <p id="public-token">
              {copiedPublicToken ? (
                <span id="public-token-copy__copied">
                  <i className="far fa-thumbs-up"></i>
                </span>
              ) : (
                <span
                  id="public-token-copy"
                  onClick={() => {
                    if (publicToken) {
                      navigator.clipboard.writeText(publicToken);
                      setCopiedPublicToken(true);
                      setTimeout(() => setCopiedPublicToken(false), 2000);
                    }
                  }}
                >
                  <i className="far fa-copy"></i>
                </span>
              )}

              <span>
                Public token: <span>{publicToken}</span>
              </span>
            </p>
            <p className="text-align-center">
              Status: {beaconConnection ? "Connected" : "Disconnected"}
            </p>
          </div>
        </div>
        <div id="footer">
          <img src="built-with-taquito.png" alt="Built with Taquito" />
        </div>
      </div>
    );
  } else if (userAddress && !isNaN(userBalance)) {
    return (
      <div className="main-box">
        <h1>Taquito Boilerplate</h1>
        <div id="tabs">
          <div
            id="transfer"
            className={activeTab === "transfer" ? "active" : ""}
            onClick={() => setActiveTab("transfer")}
          >
            Make a transfer
          </div>
          <div
            id="contract"
            className={activeTab === "contract" ? "active" : ""}
            onClick={() => setActiveTab("contract")}
          >
            Interact with a contract
          </div>
        </div>
        <div id="dialog">
          <div id="content">


            <p>
              <i className="far fa-address-card"></i>&nbsp; {userAddress}
            </p>
            <p>
              <i className="fas fa-piggy-bank"></i>&nbsp;
              {(userBalance / 1000000).toLocaleString("en-US")} ꜩ
            </p>
          </div>
          <BuyButton 
            Tezos={Tezos}
            FA2address="KT1BB1uMwVvJ1M3vVHXWALs1RWdgTp1rnXTR"
            receiver="tz1hJncvXvL2VyctPE685GJPXDaRJ7dtiwjm"
            amount={100}
          />
          <DisconnectButton
            wallet={wallet}
            setPublicToken={setPublicToken}
            setUserAddress={setUserAddress}
            setUserBalance={setUserBalance}
            setWallet={setWallet}
            setTezos={setTezos}
            setBeaconConnection={setBeaconConnection}
          />
        </div>
        <div id="footer">
          <img src="built-with-taquito.png" alt="Built with Taquito" />
        </div>
      </div>
    );
  } else if (!publicToken && !userAddress && !userBalance) {
    return (
      <div className="main-box">
        <div className="title">
          <h1>Taquito Boilerplate</h1>
                  
          <a href="https://app.netlify.com/start/deploy?repository=https://github.com/ecadlabs/taquito-boilerplate">
            <img
              src="https://www.netlify.com/img/deploy/button.svg"
              alt="netlify-button"
            />
          </a>
        </div>
        <div id="dialog">
          <header>Welcome to Taquito Boilerplate App!</header>
          <div id="content">
            <p>Hello!</p>
            <p>
              This is a template Tezos dApp built using Taquito. It's a starting
              point for you to hack on and build your own dApp for Tezos.
              <br />
              If you have not done so already, go to the{" "}
              <a
                href="https://github.com/ecadlabs/taquito-boilerplate"
                target="_blank"
                rel="noopener noreferrer"
              >
                Taquito boilerplate Github page
              </a>{" "}
              and click the <em>"Use this template"</em> button.
            </p>
            <p>Go forth and Tezos!</p>
          </div>
          <ConnectButton
            Tezos={Tezos}
            setContract={setContract}
            setPublicToken={setPublicToken}
            setWallet={setWallet}
            setUserAddress={setUserAddress}
            setUserBalance={setUserBalance}
            setStorage={setStorage}
            contractAddress={contractAddress}
            setBeaconConnection={setBeaconConnection}
            wallet={wallet}
          />
        </div>
        <div id="footer">
          <img src="built-with-taquito.png" alt="Built with Taquito" />
        </div>
      </div>
    );
  } else {
    return <div>An error has occurred</div>;
  }
};

export default App;