@solana/spl-token#createAssociatedTokenAccount TypeScript Examples

The following examples show how to use @solana/spl-token#createAssociatedTokenAccount. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: index.ts    From solana-pay with Apache License 2.0 4 votes vote down vote up 
(async function () {
    const cluster = 'devnet';
    const endpoint = clusterApiUrl(cluster);
    const connection = new Connection(endpoint, 'confirmed');

    // Merchant app generates a random public key referenced by the transaction, in order to locate it after it's sent
    const originalReference = Keypair.generate().publicKey;

    const NATIVE_URL =
        'solana:mvines9iiHiQTysrwkJjGf2gb9Ex9jXJX8ns3qwf2kN' +
        '?amount=0.01' +
        '&reference=' +
        encodeURIComponent(String(originalReference)) +
        '&label=Michael' +
        '&message=Thanks%20for%20all%20the%20fish' +
        '&memo=OrderId5678';

    const USDC_URL =
        'solana:mvines9iiHiQTysrwkJjGf2gb9Ex9jXJX8ns3qwf2kN' +
        '?amount=0.01' +
        '&spl-token=EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v' +
        '&reference=' +
        encodeURIComponent(String(originalReference)) +
        '&label=Michael' +
        '&message=Thanks%20for%20all%20the%20fish' +
        '&memo=OrderId5678';

    const originalURL = NATIVE_URL;
    console.log(originalURL);

    // Wallet gets URL from deep link / QR code
    const { recipient, amount, splToken, reference, label, message, memo } = parseURL(
        originalURL
    ) as TransferRequestURL;

    // Apps can encode the URL from the required and optional parameters
    const encodedURL = encodeURL({ recipient, amount, splToken, reference, label, message, memo });

    console.log(originalURL);
    console.log(encodedURL);

    // This just represents the wallet's keypair for testing, in practice it will have a way of signing already
    const wallet = Keypair.generate();

    const airdrop = await connection.requestAirdrop(wallet.publicKey, LAMPORTS_PER_SOL);
    await connection.confirmTransaction(airdrop, 'confirmed');

    if (splToken) {
        await createAssociatedTokenAccount(connection, wallet, splToken, wallet.publicKey, { commitment: 'confirmed' });
    }

    // Create a transaction to transfer native SOL or SPL tokens
    const transaction = await createTransfer(connection, wallet.publicKey, {
        recipient,
        amount,
        splToken,
        reference,
        memo,
    });

    // Sign, send, and confirm the transaction
    transaction.sign(wallet);

    const rawTransaction = transaction.serialize();
    const signature = await sendAndConfirmRawTransaction(connection, rawTransaction);

    console.log(signature);

    // Merchant app locates the transaction signature from the unique reference address it provided in the transfer link
    const found = await findReference(connection, originalReference);

    // Matches the signature of the transaction
    console.log(found.signature);

    // Contains the memo provided, prefixed with its length: `[11] OrderId5678`
    console.log(found.memo);

    // Merchant app should always validate that the transaction transferred the expected amount to the recipient
    const response = await validateTransfer(connection, found.signature, {
        recipient,
        amount,
        splToken,
        reference,
        memo,
    });
})();