Sending Transactions

RECIPIENT_ADDRESS=your_recipient_address
TIP_ADDRESS=AdVacgHPGM8aUne1ExfApBz52LcJczVJzJmhhzdEWqmh
TRANSFER_LAMPORTS=amount_in_lamports
TIP_LAMPORTS=10000  # Minimum 10,000 lamports
PAYLOAD_URL=https://api.payload.wtf
RPC_URL=your_rpc_url
SEND_MODE=quicknode  # or helius

const {
    Connection,
    PublicKey,
    Keypair,
    SystemProgram,
    Transaction,
} = require("@solana/web3.js");
const axios = require("axios");
const fs = require("fs");
require("dotenv").config();

// 1. Load environment variables
const {
    RECIPIENT_ADDRESS,
    TIP_ADDRESS,      // Required tip address
    TRANSFER_LAMPORTS,
    TIP_LAMPORTS,     // Tip amount from env
    PAYLOAD_URL,
    RPC_URL,
    SEND_MODE,        // Send mode from env
} = process.env;

const MINIMUM_TIP = 10000; // 0.00001 SOL in lamports

// 2. Load sender's keypair
const senderSecret = Uint8Array.from(JSON.parse(fs.readFileSync("./sender.json", "utf-8")));
const sender = Keypair.fromSecretKey(senderSecret);

// Create connection and get blockhash
async function sendTransaction() {
    try {
        // 3. Initialize connection and get blockhash
        const connection = new Connection(RPC_URL, {
            commitment: "confirmed",
            skipPreflight: true
        });
        const { blockhash } = await connection.getLatestBlockhash();

        // 4. Parse amounts
        const transferAmount = parseInt(TRANSFER_LAMPORTS, 10);
        const tipAmount = parseInt(TIP_LAMPORTS, 10);

        // 5. Validate minimum tip amount
        if (tipAmount < MINIMUM_TIP) {
            throw new Error(`Tip amount must be at least ${MINIMUM_TIP} lamports`);
        }

        // 6. Create main transfer instruction
        const transferIx = SystemProgram.transfer({
            fromPubkey: sender.publicKey,
            toPubkey: new PublicKey(RECIPIENT_ADDRESS),
            lamports: transferAmount,
        });

        // 7. Create tip instruction
        const tipIx = SystemProgram.transfer({
            fromPubkey: sender.publicKey,
            toPubkey: new PublicKey(TIP_ADDRESS),
            lamports: tipAmount,
        });

        // 8. Create and sign transaction
        const tx = new Transaction()
            .add(transferIx)  // Main transfer
            .add(tipIx);     // Required tip transfer
        
        tx.recentBlockhash = blockhash;
        tx.feePayer = sender.publicKey;
        tx.sign(sender);

        // Add skipPreflight to transaction
        const options = {
            skipPreflight: true
        };

        // 9. Serialize transaction to base64
        const base64Tx = tx.serialize().toString("base64");

        // 10. Log transaction details
        console.log("\n--- Transaction Details ---");
        console.log("From:", sender.publicKey.toBase58());
        console.log("To:", RECIPIENT_ADDRESS);
        console.log("Amount:", transferAmount, "lamports");
        console.log("Tip to:", TIP_ADDRESS);
        console.log("Tip amount:", tipAmount, "lamports");

        // 11. Send to payload.wtf
        console.log("\nSending to payload.wtf...");
        const res = await axios.post(`${PAYLOAD_URL}/sendTransaction`, base64Tx, {
            headers: {
                "Content-Type": "text/plain",
                "x-mode": SEND_MODE
            }
        });

        // 12. Handle response
        console.log("\nAPI Response Status:", res.status);
        console.log("API Response Data:", JSON.stringify(res.data, null, 2));

        if (res.data?.signature) {
            console.log("\n✅ Transaction submitted successfully!");
            console.log("Signature:", res.data.signature);
            console.log(`View on Solscan: https://solscan.io/tx/${res.data.signature}`);
        } else {
            console.log("\n❌ Transaction failed - no signature received");
            console.log("Full response:", res.data);
        }

    } catch (error) {
        console.error("❌ Error:", error.message);
    }
}

// 13. Execute the transaction
sendTransaction();