wait until the transaction gets max confirmations

max-confirmations.test.ts

import { test } from "vitest";
import {
  clusterApiUrl,
  Connection,
  Keypair,
  LAMPORTS_PER_SOL,
  PublicKey,
  sendAndConfirmTransaction,
  SystemProgram,
  Transaction,
} from "@solana/web3.js";
import pRetry from "p-retry";
import base58 from "bs58";
import dotenv from "dotenv";

dotenv.config();

test.skip("promise", async () => {
  const connection = new Connection(clusterApiUrl("devnet"));
  const payer = Keypair.fromSecretKey(
    base58.decode(process.env.DEV_SECRET_KEY!)
  );
  const receiver = new PublicKey(process.env.RECEIVER!);

  const transaction = new Transaction().add(
    SystemProgram.transfer({
      fromPubkey: payer.publicKey,
      toPubkey: receiver,
      lamports: 0.005 * LAMPORTS_PER_SOL,
    })
  );
  const signature = await sendAndConfirmTransaction(
    connection,
    transaction,
    [payer],
    {
      commitment: "processed", // it is processed so won't actually show the transaction metadata instantly
    }
  );
  console.log(`Signature - ${signature}`);

  // this is the logic which waits until the transaction is confirmed/finalized and returns the transaction metadata
  const transactionMetadata = await pRetry(
    async () => {
      const fetchedTransactionMetadata = await connection.getTransaction(
        signature
      );
      return fetchedTransactionMetadata !== null
        ? fetchedTransactionMetadata
        : Promise.reject(new Error("Transaction isn't confirmed yet"));
    },
    {
      retries: 5,
    }
  );

  console.log(JSON.stringify(transactionMetadata));
});