packetsniffer.js

/*
 * Packet sniffer plgin for bcoin
 * USAGE:
 *   bcoin --log-console=false --plugins <path/to/packetsniffer.js>
 */

'use strict';

const EventEmitter = require('events');

const plugin = exports;

class Plugin extends EventEmitter {
  constructor(node) {
    super();
    this.pool = node.pool;
    this.init();
  }

  init() {
    this.pool.on('packet', (packet) => {
      console.log('-->', packet);
    });

    this.pool.on('peer open', (peer) => {
      console.log(peer);
      peer.SEND = peer.send;

      peer.send = (packet) => {
        console.log('<--', packet);
        peer.SEND(packet);
      };
    });
  }
}

plugin.id = 'packetsnoop';

plugin.init = function init(node) {
  return new Plugin(node);
};