Create and Transfer Subdomains

import { Connection, Keypair, Transaction, sendAndConfirmTransaction, PublicKey, TransactionInstruction } from '@solana/web3.js';
import { createSubdomain, transferSubdomain } from '@bonfida/spl-name-service';
import fs from 'fs';
import dotenv from 'dotenv';

dotenv.config();

const SOLANA_RPC_URL = process.env.RPC_URL!;
const WALLET_PATH = '/Users/metasal/.config/solana/id.json';
const PARENT_DOMAIN = 'gamblethis.sol';
const SUBDOMAIN = 'example';
const FULL_DOMAIN = `${SUBDOMAIN}.${PARENT_DOMAIN}`;
const NEW_OWNER_PUBLIC_KEY = new PublicKey('GaxVqiQyJKQDRu6H4pfy9V6Xq19pHGr6HQKDQDv911Y4');

const createAndTransferSubdomain = async () => {
    try {
        console.log(`Attempting to register subdomain ${FULL_DOMAIN}...`);

        const connection = new Connection(SOLANA_RPC_URL, 'confirmed');

        const walletKeyData = JSON.parse(fs.readFileSync(WALLET_PATH, 'utf8'));
        const walletKeypair = Keypair.fromSecretKey(
            Uint8Array.from(walletKeyData)
        );

        console.log(`Using wallet: ${walletKeypair.publicKey.toString()}`);

        // Create a single transaction
        const transaction = new Transaction();

        // Add subdomain creation instruction
        console.log('Creating subdomain instruction...');
        const createResult = await createSubdomain(
            connection,
            FULL_DOMAIN,
            walletKeypair.publicKey
        );

        transaction.add(...createResult);

        if (NEW_OWNER_PUBLIC_KEY) {
            console.log('Adding transfer instruction...');
            const newOwner = new PublicKey(NEW_OWNER_PUBLIC_KEY);
            const transferResult = await transferSubdomain(
                connection,
                FULL_DOMAIN,
                newOwner,
                true,
                walletKeypair.publicKey
            );

            transaction.add(transferResult);

            // Set recent blockhash and fee payer
            const { blockhash } = await connection.getLatestBlockhash('finalized');
            transaction.recentBlockhash = blockhash;
            transaction.feePayer = walletKeypair.publicKey;

            // Sign and send transaction
            console.log('Sending transaction...');
            const signature = await sendAndConfirmTransaction(
                connection,
                transaction,
                [walletKeypair],
                {
                    commitment: 'confirmed',
                    skipPreflight: false,
                    preflightCommitment: 'confirmed'
                }
            );

            console.log(`✅ Successfully processed transaction for ${FULL_DOMAIN}!`);
            console.log(`Transaction signature: ${signature}`);
            console.log(`Solana Explorer: https://explorer.solana.com/tx/${signature}`);

        }
        process.exit(1);
    } catch (error) {
        console.error('Error processing transaction:');
        console.error(error);
        process.exit(1);
    }
};

createAndTransferSubdomain();