lite-rpc/tests/main.test.ts

import { Connection, Keypair, LAMPORTS_PER_SOL, Message, VersionedTransaction } from "@solana/web3.js";
import { url } from "./urls";
jest.setTimeout(60000);
test('send and confirm transaction', async () => {
  const connection = new Connection(url, 'confirmed');
  const payer = Keypair.generate();

  await connection.requestAirdrop(payer.publicKey, LAMPORTS_PER_SOL);
  const recentBlockhash = (await connection.getLatestBlockhash('confirmed')).blockhash;
  const versionedTx = new VersionedTransaction(
    new Message({
      header: {
        numRequiredSignatures: 1,
        numReadonlySignedAccounts: 0,
        numReadonlyUnsignedAccounts: 0,
      },
      recentBlockhash,
      instructions: [],
      accountKeys: [payer.publicKey.toBase58()],
    }),
  );
  
  versionedTx.sign([payer]);
  const signature = await connection.sendTransaction(versionedTx);
  const latestBlockHash = await connection.getLatestBlockhash();
  await connection.confirmTransaction({
    blockhash: latestBlockHash.blockhash,
    lastValidBlockHeight: latestBlockHash.lastValidBlockHeight,
    signature: signature,
  });
});