@solsdk/jito-ts/src/examples/simple_bundle/index.ts

## What is it and why do you need it?

require('dotenv').config();

import * as Fs from 'fs';
import {Keypair, Connection} from '@solana/web3.js';

import {searcherClient} from '../../sdk/block-engine/searcher';
import {onBundleResult, sendBundles} from './utils';

const main = async () => {
  const blockEngineUrl = process.env.BLOCK_ENGINE_URL || '';
  console.log('BLOCK_ENGINE_URL:', blockEngineUrl);

  const authKeypairPath = process.env.AUTH_KEYPAIR_PATH || '';
  console.log('AUTH_KEYPAIR_PATH:', authKeypairPath);
  const decodedKey = new Uint8Array(
    JSON.parse(Fs.readFileSync(authKeypairPath).toString()) as number[]
  );
  const keypair = Keypair.fromSecretKey(decodedKey);

  const _accounts = (process.env.ACCOUNTS_OF_INTEREST || '').split(',');
  console.log('ACCOUNTS_OF_INTEREST:', _accounts);
  // const accounts = _accounts.map(a => new PublicKey(a));

  const bundleTransactionLimit = parseInt(
    process.env.BUNDLE_TRANSACTION_LIMIT || '0'
  );

  const c = searcherClient(blockEngineUrl, keypair);

  const rpcUrl = process.env.RPC_URL || '';
  console.log('RPC_URL:', rpcUrl);
  const conn = new Connection(rpcUrl, 'confirmed');

  const result = await sendBundles(c, bundleTransactionLimit, keypair, conn);
  if (!result.ok) {
    console.error('Failed to send bundles:', result.error);
    return;
  }
  console.log('Successfully sent bundles:', result.value);
  onBundleResult(c);
};

main()
  .then(() => {
    console.log('Sending bundle');
  })
  .catch(e => {
    throw e;
  });