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发送 SOL

import {
  Connection,
  Keypair,
  SystemProgram,
  LAMPORTS_PER_SOL,
  Transaction,
  sendAndConfirmTransaction,
} from "@solana/web3.js";

import fs from "fs";

let fromKeypair;
let toKeypair;

async function loadUser() {
  const secretKey = Uint8Array.from(
    JSON.parse(
      fs.readFileSync(
        "C:\\Users\\Administrator\\.config\\solana\\id.json",
        "utf-8"
      )
    )
  );
  fromKeypair = Keypair.fromSecretKey(secretKey);
  console.log(fromKeypair.publicKey);
  console.log(fromKeypair.secretKey);
}
await loadUser();

async function restoreUser() {
  const keypairBytes = Uint8Array.from([
    177, 206, 210, 43, 242, 41, 232, 20, 193, 233, 235, 14, 217, 102, 198, 99,
    55, 87, 243, 90, 46, 201, 230, 227, 43, 122, 60, 45, 173, 4, 136, 81, 183,
    64, 237, 220, 178, 220, 22, 14, 251, 181, 215, 175, 191, 34, 55, 51, 251,
    112, 77, 29, 176, 167, 181, 168, 176, 216, 100, 255, 109, 32, 81, 33,
  ]);
  toKeypair = Keypair.fromSecretKey(keypairBytes);
  console.log(toKeypair.publicKey);
  console.log(toKeypair.secretKey);
}
await restoreUser();

async function getAccountBalance() {
  try {
    const connection = new Connection(
      "https://api.devnet.solana.com",
      "confirmed"
    );
    const balance = await connection.getBalance(toKeypair.publicKey);
    // 将 lamports 转换为 SOL
    const balanceInSOL = balance / Math.pow(10, 9);
    console.log(`账户余额: ${balanceInSOL} SOL`);
  } catch (error) {
    console.error("获取账户余额时出错:", error);
  }
}

await getAccountBalance();

async function sendSol() {
  const connection = new Connection(
    "https://api.devnet.solana.com",
    "confirmed"
  );

  const lamportsToSend = 1_000_000;

  const transferTransaction = new Transaction().add(
    SystemProgram.transfer({
      fromPubkey: fromKeypair.publicKey,
      toPubkey: toKeypair.publicKey,
      lamports: lamportsToSend,
    })
  );

  await sendAndConfirmTransaction(connection, transferTransaction, [
    fromKeypair,
  ]);
}
await sendSol();
await getAccountBalance();

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