Use the Wallet Adapter
To connect to Solana in MetaMask from your dapp, set up Solana's Wallet Adapter.
You can use the create-solana-dapp CLI tool to quickly generate a Solana dapp with the Wallet Adapter built in, or follow this guide to manually set up the Wallet Adapter in an existing React dapp.
info
See the Solana documentation for more information.
Steps
1. Install dependencies
Install the following dependencies:
npm install @solana/web3.js \
@solana/wallet-adapter-base \
@solana/wallet-adapter-react \
@solana/wallet-adapter-react-ui \
@solana/wallet-adapter-wallets
2. Create the Solana provider
Create a SolanaProvider that will be used to provide the Solana context to the application:
components/SolanaProvider.tsx
'use client';
import React, { FC, ReactNode, useMemo } from 'react';
import { ConnectionProvider, WalletProvider } from '@solana/wallet-adapter-react';
import { WalletAdapterNetwork } from '@solana/wallet-adapter-base';
import { WalletModalProvider } from '@solana/wallet-adapter-react-ui';
import { clusterApiUrl } from '@solana/web3.js';
// Default styles that can be overridden by your dapp.
import '@solana/wallet-adapter-react-ui/styles.css';
interface SolanaProviderProps {
children: ReactNode;
}
export const SolanaProvider: FC<SolanaProviderProps> = ({ children }) => {
// The network can be set to devnet, testnet, or mainnet-beta.
const network = WalletAdapterNetwork.Devnet;
// You can also provide a custom RPC endpoint.
const endpoint = useMemo(() => clusterApiUrl(network), [network]);
return (
<ConnectionProvider endpoint={endpoint}>
<WalletProvider wallets={[]} autoConnect>
<WalletModalProvider>{children}</WalletModalProvider>
</WalletProvider>
</ConnectionProvider>
);
};
3. Wrap the application in the Solana Provider
Add the SolanaProvider to the RootLayout in the app directory:
import './globals.css';
import '@solana/wallet-adapter-react-ui/styles.css';
import { SolanaProvider } from '@/components/SolanaProvider';
export default function RootLayout({
children
}: Readonly<{
children: React.ReactNode;
}>) {
return (
<html>
<body>
<SolanaProvider>{children}</SolanaProvider>
</body>
</html>
);
}
Next steps
See how to send a legacy transaction and a versioned transaction.