How to Send SOL

import {
  appendTransactionMessageInstructions,
  airdropFactory,
  createSolanaClient,
  createTransaction,
  generateKeyPairSigner,
  getSignatureFromTransaction,
  lamports,
  pipe,
  setTransactionMessageFeePayerSigner,
  setTransactionMessageLifetimeUsingBlockhash,
  signTransactionMessageWithSigners
} from "gill";
import { getTransferSolInstruction } from "@solana-program/system";

const { rpc, rpcSubscriptions, sendAndConfirmTransaction } = createSolanaClient(
  {
    urlOrMoniker: "localnet"
  }
);

const sender = await generateKeyPairSigner();
const recipient = await generateKeyPairSigner();

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

await airdropFactory({ rpc, rpcSubscriptions })({
  recipientAddress: sender.address,
  lamports: lamports(LAMPORTS_PER_SOL), // 1 SOL
  commitment: "confirmed"
});

const transferInstruction = getTransferSolInstruction({
  source: sender,
  destination: recipient.address,
  amount: transferAmount
});

const { value: latestBlockhash } = await rpc.getLatestBlockhash().send();
const tx = createTransaction({
  feePayer: sender,
  version: "legacy",
  instructions: [transferInstruction],
  latestBlockhash
});

const signedTransaction = await signTransactionMessageWithSigners(tx);

await sendAndConfirmTransaction(signedTransaction, { commitment: "confirmed" });

const transactionSignature = getSignatureFromTransaction(signedTransaction);
console.log("Transaction Signature:", transactionSignature);