bluebot/core/sonic/sonic.js

A bitcoin trading bot for auto trading at various exchanges

// Sonic is the realtime market for BlueBot!
//
//


var _ = require('lodash');
var async = require('async');

var util = require(__dirname + '/../util');
var dirs = util.dirs();

var Heart = require(dirs.sonic + 'heart');
var MarketDataProvider =  require(dirs.sonic + 'marketDataProvider');
var CandleManager = require(dirs.sonic + 'candleManager');

var Sonic = function(config) {
  _.bindAll(this);

  Readable.call(this, {objectMode: true});

  // Sonic internal modules:
  
  this.heart = new Heart;
  this.marketDataProvider = new MarketDataProvider(config);
  this.candleManager = new CandleManager;

  //    Sonic data flow:

  // on every `tick` retrieve trade data
  this.heart.on(
    'tick',
    this.marketDataProvider.retrieve
  );

  // on new trade data create candles
  this.marketDataProvider.on(
    'trades',
    this.candleManager.processTrades
  );

  // Output the candles
  this.candleManager.on(
    'candles',
    this.pushCandles
  );

  this.heart.pump();

  //    Sonic also reports:

  // Trades & last trade
  //
  // this.marketDataProvider.on(
  //   'trades',
  //   this.broadcast('trades')
  // );
  // this.marketDataProvider.on(
  //   'trades',
  //   this.broadcastTrade
  // );
}

var Readable = require('stream').Readable;

Sonic.prototype = Object.create(Readable.prototype, {
  constructor: { value: Sonic }
});

Sonic.prototype._read = function noop() {}

Sonic.prototype.pushCandles = function(candles) {
  _.each(candles, this.push);
}

// Sonic.prototype.broadcastTrade = function(trades) {
//   _.defer(function() {
//     this.emit('trade', trades.last);
//   }.bind(this));
// }

// Sonic.prototype.broadcast = function(message) {
//   return function(payload) {
//     _.defer(function() {
//       this.emit(message, payload);
//     }.bind(this));
//   }.bind(this);
// }

module.exports = Sonic;