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Example of using the DappNotificationContext from Web3Analytic's SDK
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import React, { FC, useState, useContext } from 'react'; | |
import { ethers } from 'ethers'; | |
import { DappNotificationContext } from '@web3analytic/notifications-react'; | |
// To ignore typing issues | |
declare let window: any; | |
const ConnectWallet: FC = () => { | |
// State variable to store the connected wallet address | |
const [address, setAddress] = useState<string>(''); | |
// State variable to check if the user is connected to MetaMask | |
const [isConnected, setIsConnected] = useState<boolean>(false); | |
const { onConnectAddress } = useContext(DappNotificationContext); | |
/** | |
* Example for adding Web3Analytic callback when user connects to MetaMask. | |
*/ | |
async function connectToMetamask() { | |
if (window.ethereum) { | |
const provider = new ethers.providers.Web3Provider(window.ethereum); | |
await provider.send('eth_requestAccounts', []); | |
const signer = provider.getSigner(); | |
try { | |
var address: string = await signer.getAddress(); | |
address = address.toLowerCase().trim(); | |
setAddress(address); | |
setIsConnected(true); | |
onConnectAddress(address); | |
} catch (err: any) { | |
setIsConnected(false); | |
} | |
} | |
} | |
return ( | |
<div | |
style={{ | |
padding: '5rem', | |
margin: 'auto', | |
textAlign: 'center', | |
}} | |
> | |
<h2>In-Dapp Notifications Demo</h2> | |
<div | |
style={{ | |
padding: '2rem', | |
}} | |
> | |
<button | |
onClick={() => connectToMetamask()} | |
style={{ | |
border: '2px solid black', | |
borderColor: '#2196F3', | |
borderRadius: '8px', | |
color: 'dodgerblue', | |
padding: '14px 28px', | |
fontSize: '16px', | |
cursor: 'pointer', | |
}} | |
> | |
{isConnected ? `Connected to ${address.substring(0, 10)}...` : 'Connect MetaMask'} | |
</button> | |
</div> | |
</div> | |
); | |
} | |
export default ConnectWallet; |
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