Пакетные платежи

// Click ">" icon on left to expand demo imports
// Generate keypairs for sender and two recipients
const sender = await generateKeyPairSigner();
const recipient1 = await generateKeyPairSigner();
const recipient2 = await generateKeyPairSigner();

console.log("Sender Address:", sender.address);
console.log("Recipient 1 Address:", recipient1.address);
console.log("Recipient 2 Address:", recipient2.address);

// Demo Setup: Create client, mint account, token accounts, and fund with initial tokens
const { client, mint } = await demoSetup(sender, recipient1, recipient2);

console.log("\nMint Address:", mint.address);

// Derive the Associated Token Accounts addresses (ATAs) for sender and recipients
const [senderAta] = await findAssociatedTokenPda({
  mint: mint.address,
  owner: sender.address,
  tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});

const [recipient1Ata] = await findAssociatedTokenPda({
  mint: mint.address,
  owner: recipient1.address,
  tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});

const [recipient2Ata] = await findAssociatedTokenPda({
  mint: mint.address,
  owner: recipient2.address,
  tokenProgram: TOKEN_2022_PROGRAM_ADDRESS
});

console.log("Sender Token Account:", senderAta.toString());
console.log("Recipient 1 Token Account:", recipient1Ata.toString());
console.log("Recipient 2 Token Account:", recipient2Ata.toString());

// =============================================================================
// Batch Token Payment Demo
// =============================================================================

// Create instructions to transfer tokens from sender to both recipients
// Transferring 250,000 base units = 0.25 tokens (with 6 decimals) to each
const transfer1Instruction = getTransferInstruction({
  source: senderAta,
  destination: recipient1Ata,
  authority: sender.address,
  amount: 250_000n // 0.25 tokens
});

const transfer2Instruction = getTransferInstruction({
  source: senderAta,
  destination: recipient2Ata,
  authority: sender.address,
  amount: 250_000n // 0.25 tokens
});

// Send both transfers in a single transaction using @solana/kit
const result = await client.sendTransaction([
  transfer1Instruction,
  transfer2Instruction
]);

console.log("\n=== Batch Token Payment Complete ===");
console.log("Transaction Signature:", result.context.signature);

// Fetch final token account balances using the client's RPC connection
const senderBalance = await client.rpc.getTokenAccountBalance(senderAta).send();
const recipient1Balance = await client.rpc
  .getTokenAccountBalance(recipient1Ata)
  .send();
const recipient2Balance = await client.rpc
  .getTokenAccountBalance(recipient2Ata)
  .send();

console.log(
  "\nSender Token Account Balance:",
  senderBalance.value.uiAmountString
);
console.log(
  "Recipient 1 Token Account Balance:",
  recipient1Balance.value.uiAmountString
);
console.log(
  "Recipient 2 Token Account Balance:",
  recipient2Balance.value.uiAmountString
);

// =============================================================================
// Demo Setup Helper Function
// =============================================================================