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Wallet Sdk and React Hooks

Icon LinkWallet SDK and React Hooks

This guide will show you how you can use the Fuel Wallet Icon Link SDK and its React Hooks Icon Link to build a simple React application that lets users connect their wallet to your application and see their balance.

Icon LinkSetup

The first thing we will do is setup a Next.js project. 
pnpm create next-app my-fuel-app
Next, we will install the Fuel Wallet React SDK and the Fuel TypeScript SDK. 
pnpm add @fuel-wallet/react fuels@0.73.0

Icon LinkThe Provider

In order to make use of the React hooks provided by the Fuel Wallet SDK, we need to wrap our application in a FuelProvider component. This component will provide the hooks with the necessary context to interact with the Fuel Wallet SDK. Add the following to your pages/_app.tsx file: 
export default function App({ Component, pageProps }: AppProps) {
  return (
    <FuelProvider>
      <Component {...pageProps} />
    </FuelProvider>
  );
}

Icon LinkBuilding the UI

Go to your pages/index.tsx file and replace the contents with the following: 
import {
  useAccount,
  useBalance,
  useConnect,
  useConnectors,
  useDisconnect,
  useIsConnected,
} from "@fuel-wallet/react";
import { useState } from "react";
 
export default function Home() {
  const [connector, setConnector] = useState("");
  const { connectors } = useConnectors();
  const { connect } = useConnect();
  const { disconnect } = useDisconnect();
  const { isConnected } = useIsConnected();
  const { account } = useAccount();
  const { balance } = useBalance({
    address: account as string,
  });
 
  return (
    <div
      style={{
        display: "flex",
        flexDirection: "column",
        gap: 10,
        padding: 10,
        maxWidth: 300,
      }}
    >
      <select
        onChange={(e) => {
          setConnector(e.target.value);
        }}
      >
        <option value="">Select a connector</option>
        {connectors.map((c) => (
          <option key={c.name} value={c.name}>
            {c.name}
          </option>
        ))}
      </select>
      <button disabled={!connector} onClick={() => connect(connector)}>
        Connect to {connector}
      </button>
      <button disabled={!connector} onClick={() => disconnect()}>
        Disconnect from {connector}
      </button>
      <p>{isConnected ? "Connected" : ""}</p>
      {account && <p>Account: {account}</p>}
      {balance && <p>Balance: {balance.toString()}</p>}
    </div>
  );
}
Let's break down what's happening here.
The useConnectors hook returns a list of available wallet connectors.
Once a connector has been selected by the user, the useConnect hook will return a connect function that can be used to connect the user's wallet to your application.
The useAccount hook returns information about the user's account, if they are connected.
The useBalance hook returns the user's ETH balance on the beta-5 network Icon Link, if they are connected.

Icon LinkFurther Reading