👝 Wallet Implementation

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import * as web3 from '@solana/web3.js';
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import * as crypto from 'crypto';
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async function createPubKey() {
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  const userId = '123456789abcdefg'; //  Replace this with any string that uniquely identifies the user in your system.
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  const hash = crypto
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    .createHash('sha256')
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    .update(userId)
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    .digest();
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  // Creates a Keypair from the hashed value
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  const keyPair = web3.Keypair.fromSeed(hash.slice(0, 32)); // Seed must be 32 bytes
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  const pubkey = keyPair.publicKey.toBase58();
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  console.log(pubkey); // The public key to pass onto coinflow 
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}
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createPubKey();

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// How to create a wallet for the payer
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// Creating a wallet for the payer is necessary to enable saved payments.
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const getWallet = async (
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  email: string, 
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  env: 'sandbox' | 'prod'
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): Promise<SolanaWallet | null> => {
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  return CoinflowUtils.getWalletFromEmail({ email, merchantId: '<YOUR_MERCHANT_ID>', env });
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};
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const [wallet, setWallet] = useState<SolanaWallet| null>(null);
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useEffect(() => {getWallet(email).then(setWallet)}, [email]);
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if (!wallet) return null;
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// Passing the wallet to the CoinflowPurchase component
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<CoinflowPurchase
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	...
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  wallet={wallet} // pass the wallet generated from getWallet()
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/>

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// How to create a wallet for the payer
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async function createWallet() {
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  return await CoinflowUtils.getWalletFromUserId({
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    userId: '<USER_ID>',
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    merchantId: '<YOUR_MERCHANT_ID>',
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    env: 'sandbox' | 'prod'
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  });
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}
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const [wallet, setWallet] = useState<SolanaWallet | null>(null);
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useEffect(() => {
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  createWallet().then(setWallet).catch((error) => {
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    console.error('Failed to create wallet:', error);
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  });
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}, []);
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if (!wallet) return null;
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// Passing the wallet to the CoinflowPurchase component
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<CoinflowPurchase
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  // other props
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  wallet={wallet} // pass the wallet generated from createWallet()
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/>