const TonWeb = require('tonweb');
// Use testnet or mainnet URL
const tonweb = new TonWeb(new TonWeb.HttpProvider('<https://testnet.toncenter.com/api/v2/jsonRPC>'));
const userPrivateKey = new Uint8Array([/* your private key here */]);
// Init wallet with TonWeb
const WalletClass = TonWeb.wallet.all.v3R2;
const wallet = new WalletClass(tonweb.provider, {
    publicKey: TonWeb.utils.bytesToBase64(userPrivateKey),
    wc: 0 // Use 0 for mainnet, -1 for testnet
});
// Define the nominator pool address
const poolAddress = 'EQA...';

// The transaction received in step 1
const unsignedTx = '...'; 

async function signTransaction() {
	const signedTransaction = await unsignedTx.sign(userPrivateKey);
	console.log('Signed transaction:', signedTransaction);
}

signTransaction().catch

curl --request POST \
     --url https://api.p2p.org/api/v1/ton/testnet/transaction/broadcast \
     --header 'accept: application/json' \
     --header 'authorization: Bearer <token>' \
     --header 'content-type: application/json' \
     --data '
     {
       "signedTransaction": "0x450284002c6eca5cdaa3e87d7f8e06d10015bf0508b52d301c8991af113d5cf49a53553f01befdb7fa39c5a995a8d58676a0513d082be"
     }'

// Import the required libraries for TON interaction (using TonWeb as an example)
const TonWeb = require('tonweb');

// Initialize TonWeb instance (you can use testnet or mainnet URL)
const tonweb = new TonWeb(new TonWeb.HttpProvider('<https://testnet.toncenter.com/api/v2/jsonRPC>')); // Example: testnet

// Define the user's wallet private key (replace with your actual private key)
const userPrivateKey = new Uint8Array([/* your private key here */]);

// Initialize wallet with TonWeb (use your wallet type and the key pair)
const WalletClass = TonWeb.wallet.all.v3R2; // Example wallet
const wallet = new WalletClass(tonweb.provider, {
    publicKey: TonWeb.utils.bytesToBase64(userPrivateKey),
    wc: 0 // Use 0 for mainnet, -1 for testnet
});

// Define the pool address (Single Nominator Pool address)
const poolAddress = 'EQA...'; // Replace with the actual pool address

// Define the amount you wish to stake (in nanoTONs)
const stakeAmount = TonWeb.utils.toNano(10000); // Example: 10,000 TONs

// Create the transaction body (without memo as it's not required for Single Nominator Pool)
async function createUnsignedTransaction() {
    const seqno = await wallet.methods.seqno().call(); // Get the sequence number from the wallet

    // Prepare the transaction details
    const unsignedTransaction = wallet.methods.transfer({
        secretKey: userPrivateKey, // Signing happens later
        toAddress: poolAddress, // Pool contract address
        amount: stakeAmount, // Stake amount
        seqno: seqno, // Sequence number from the wallet
        sendMode: 3, // Default mode for staking
    });

    return unsignedTransaction;
}

// Sign the transaction and send it
async function signAndSendTransaction() {
    const unsignedTx = await createUnsignedTransaction();

    // Sign the transaction using the wallet private key
    const signedTransaction = await unsignedTx.sign(userPrivateKey);

    // Broadcast the signed transaction to the TON network (through API)
    const broadcastResponse = await tonweb.provider.sendBoc(signedTransaction.toBoc());

    console.log('Transaction broadcast result:', broadcastResponse);
}

// Run the function to sign and broadcast the staking transaction
signAndSendTransaction().catch(console.error);