index.js

import React from 'react';
import ReactDOM from 'react-dom';
import { WagmiProvider } from 'use-wagmi';
import App from './App';

const providerUrl = 'https://rpc-mumbai.maticvigil.com';

ReactDOM.render(
  <React.StrictMode>
    <WagmiProvider providerUrl={providerUrl}>
      <App />
    </WagmiProvider>
  </React.StrictMode>,
  document.getElementById('root')
);