SOL Transfer Spotlight

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Step 1

All Code

Step 2

imports

Step 3

Connection

Step 4

Generate Keypairs

Step 5

Request airdrop

Step 6

Build transfer instruction

Step 7

Build transaction and add instruction

Step 8

Send transaction

Step 9

Fetch balance

main.ts


_56import {
_56  Connection,
_56  LAMPORTS_PER_SOL,
_56  SystemProgram,
_56  Transaction,
_56  clusterApiUrl,
_56  sendAndConfirmTransaction,
_56} from "@solana/web3.js";
_56import { getOrCreateKeypair, airdropSolIfNeeded } from "./utils";
_56
_56(async () => {
_56  // Establish a connection to the Solana devnet cluster
_56  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");
_56
_56  // Use existing keypairs or generate new ones if they don't exist
_56  const wallet_1 = await getOrCreateKeypair("wallet_1");
_56  const wallet_2 = await getOrCreateKeypair("wallet_2");
_56
_56  console.log(`\n`);
_56
_56  // Request an airdrop of SOL to wallet_1 if its balance is less than 1 SOL
_56  await airdropSolIfNeeded(wallet_1.publicKey);
_56
_56  // Define the amount to transfer
_56  const transferAmount = 0.1; // 0.1 SOL
_56
_56  // Create a transfer instruction for transferring SOL from wallet_1 to wallet_2
_56  const transferInstruction = SystemProgram.transfer({
_56    fromPubkey: wallet_1.publicKey,
_56    toPubkey: wallet_2.publicKey,
_56    lamports: transferAmount * LAMPORTS_PER_SOL, // Convert transferAmount to lamports
_56  });
_56
_56  // Add the transfer instruction to a new transaction
_56  const transaction = new Transaction().add(transferInstruction);
_56
_56  try {
_56    const txSig = await sendAndConfirmTransaction(connection, transaction, [
_56      wallet_1,
_56    ]);
_56
_56    console.log(
_56      "Transaction Signature:",
_56      `https://explorer.solana.com/tx/${txSig}?cluster=devnet`
_56    );
_56  } catch (error) {
_56    console.error("Transaction unsuccessful: ", error);
_56  }
_56
_56  // Retrieve and log the new balance of each wallet after the transfer
_56  const balance1 = await connection.getBalance(wallet_1.publicKey);
_56  console.log("wallet_1 new balance:", balance1 / LAMPORTS_PER_SOL);
_56
_56  const balance2 = await connection.getBalance(wallet_2.publicKey);
_56  console.log("wallet_2 new balance:", balance2 / LAMPORTS_PER_SOL);
_56})();

SOL Transfer Spotlight

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Step 5​

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Step 9​