mempool/examples/nodejs/bitcoin/websocket.ts

import mempoolJS from '../../../src/index';

const init = async () => {
  const {
    bitcoin: { websocket },
  } = mempoolJS();

  const ws = websocket.initServer({
    options: ['blocks', 'stats', 'mempool-blocks', 'live-2h-chart'],
  });

  ws.on('message', function incoming(data) {
    const res = JSON.parse(data.toString());
    if (res.blocks) {
      console.log(res.blocks);
    }
    if (res.mempoolInfo) {
      console.log(res.mempoolInfo);
    }
    if (res.transactions) {
      console.log(res.transactions);
    }
    if (res.mempoolBlocks) {
      console.log(res.mempoolBlocks);
    }
  });
};
init();