트랜잭션 구조

import { createClient, generateKeyPairSigner, lamports } from "@solana/kit";
import { solanaRpc, rpcAirdrop } from "@solana/kit-plugin-rpc";
import { generatedPayer, airdropPayer } from "@solana/kit-plugin-signer";
import { systemProgram } from "@solana-program/system";

const client = await createClient()
  .use(generatedPayer())
  .use(
    solanaRpc({
      rpcUrl: "http://localhost:8899",
      rpcSubscriptionsUrl: "ws://localhost:8900"
    })
  )
  .use(rpcAirdrop())
  .use(airdropPayer(lamports(1_000_000_000n)))
  .use(systemProgram());

const sender = client.payer;
const recipient = await generateKeyPairSigner();

const LAMPORTS_PER_SOL = 1_000_000_000n;
const transferAmount = lamports(LAMPORTS_PER_SOL / 100n); // 0.01 SOL

// Check balance before transfer
const { value: preBalance1 } = await client.rpc
  .getBalance(sender.address)
  .send();
const { value: preBalance2 } = await client.rpc
  .getBalance(recipient.address)
  .send();

// Create a transfer instruction for transferring SOL from sender to recipient
const transferInstruction = client.system.instructions.transferSol({
  source: sender,
  destination: recipient.address,
  amount: transferAmount // 0.01 SOL in lamports
});

const transactionSignature = await client.sendTransaction([
  transferInstruction
]);

// Check balance after transfer
const { value: postBalance1 } = await client.rpc
  .getBalance(sender.address)
  .send();
const { value: postBalance2 } = await client.rpc
  .getBalance(recipient.address)
  .send();

console.log(
  "Sender prebalance:",
  Number(preBalance1) / Number(LAMPORTS_PER_SOL)
);
console.log(
  "Recipient prebalance:",
  Number(preBalance2) / Number(LAMPORTS_PER_SOL)
);
console.log(
  "Sender postbalance:",
  Number(postBalance1) / Number(LAMPORTS_PER_SOL)
);
console.log(
  "Recipient postbalance:",
  Number(postBalance2) / Number(LAMPORTS_PER_SOL)
);
console.log("Transaction Signature:", transactionSignature.context.signature);

import {
  createClient,
  generateKeyPairSigner,
  lamports,
  createTransactionMessage,
  setTransactionMessageFeePayerSigner,
  setTransactionMessageLifetimeUsingBlockhash,
  appendTransactionMessageInstructions,
  pipe,
  signTransactionMessageWithSigners,
  getCompiledTransactionMessageDecoder
} from "@solana/kit";
import { solanaRpc, rpcAirdrop } from "@solana/kit-plugin-rpc";
import { generatedPayer, airdropPayer } from "@solana/kit-plugin-signer";
import { systemProgram } from "@solana-program/system";

const client = await createClient()
  .use(generatedPayer())
  .use(
    solanaRpc({
      rpcUrl: "http://localhost:8899",
      rpcSubscriptionsUrl: "ws://localhost:8900"
    })
  )
  .use(rpcAirdrop())
  .use(airdropPayer(lamports(1_000_000_000n)))
  .use(systemProgram());

const { value: latestBlockhash } = await client.rpc.getLatestBlockhash().send();

const sender = client.payer;
const recipient = await generateKeyPairSigner();

// Define the amount to transfer
const LAMPORTS_PER_SOL = 1_000_000_000n;
const transferAmount = lamports(LAMPORTS_PER_SOL / 100n); // 0.01 SOL

// Create a transfer instruction for transferring SOL from sender to recipient
const transferInstruction = client.system.instructions.transferSol({
  source: sender,
  destination: recipient.address,
  amount: transferAmount
});

// Create transaction message
const transactionMessage = pipe(
  createTransactionMessage({ version: 0 }),
  (tx) => setTransactionMessageFeePayerSigner(sender, tx),
  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx),
  (tx) => appendTransactionMessageInstructions([transferInstruction], tx)
);

const signedTransaction =
  await signTransactionMessageWithSigners(transactionMessage);

// Decode the messageBytes
const compiledTransactionMessage =
  getCompiledTransactionMessageDecoder().decode(signedTransaction.messageBytes);

console.log(JSON.stringify(compiledTransactionMessage, null, 2));