WIP

bin/lamassu-server

@@ -2,6 +2,7 @@
 var fs = require('fs');
 var createServer = require('../lib/app.js');
 var argv = require('optimist').argv;
+var logger = require('../lib/logger');
 
 var options = {
   postgres: process.env.DATABASE_URL

lib/app.js

@@ -2,13 +2,12 @@
 
 var http = require('http');
 var https = require('https');
-var path = require('path');
 var express = require('express');
-var fs = require('fs');
 var LamassuConfig = require('lamassu-config');
 var routes = require('./routes');
 var Trader = require('./trader');
 var PostgresqlInterface = require('./postgresql_interface');
+var logger = require('./logger');
  
 module.exports = function (options) {
   var app = express();
@@ -27,7 +26,7 @@ module.exports = function (options) {
 
   config.load(function (err, config) {
     if (err) {
-      console.error('Loading config failed');
+      logger.error('Loading config failed');
       throw err;
     }
 
@@ -38,11 +37,11 @@ module.exports = function (options) {
   config.on('configUpdate', function () {
     config.load(function (err, config) {
       if (err) {
-        return console.error('Error while reloading config');
+        return logger.error('Error while reloading config');
       }
 
       trader.configure(config);
-      console.log('Config reloaded');
+      logger.info('Config reloaded');
     });
   });
 

lib/logger.js

@@ -0,0 +1,7 @@
+var bunyan = require('bunyan');
+
+var logLevel = process.env.LAMASSU_ENV === 'debug' ?
+  'debug' :
+  'info';
+
+module.exports = bunyan.createLogger({name: 'lamassu-server', level: logLevel});

lib/postgresql_interface.js

@@ -1,6 +1,8 @@
 'use strict';
 
 var pg = require('pg');
+var logger = require('./logger');
+
 var PG_ERRORS = {
   23505: 'uniqueViolation'
 };
@@ -11,9 +13,7 @@ var PostgresqlInterface = function (conString) {
   }
 
   this.client = new pg.Client(conString);
-
-  // TODO better logging
-  this.client.on('error', function (err) { console.log(err); });
+  this.client.on('error', function (err) { logger.error(err); });
 
   this.client.connect();
 };

lib/routes.js

@@ -2,6 +2,7 @@
 
 var _trader;
 var _lamassuConfig;
+var logger = require('./logger');
 
 // Make sure these are higher than polling interval
 // or there will be a lot of errors
@@ -22,6 +23,8 @@ var poll = function(req, res) {
   var balanceRec = _trader.balance;
   var fingerprint = req.connection.getPeerCertificate().fingerprint;
 
+  logger.debug('poll request from: %s', fingerprint);
+  
   // `rateRec` and `balanceRec` are both objects, so there's no danger
   // of misinterpreting rate or balance === 0 as 'Server initializing'.
   if (!rateRec || !balanceRec) {

lib/trader.js

@@ -2,7 +2,7 @@
 
 var path = require('path');
 var async = require('async');
-var winston = require('winston');
+var logger = require('./logger');
 
 var SATOSHI_FACTOR = Math.pow(10, 8);
 
@@ -16,13 +16,6 @@ var Trader = module.exports = function (db) {
 
   this.db = db;
   this.rates = {};
-  var logLevel = process.env.LAMASSU_ENV === 'debug' ?
-    'debug' :
-    'info';
-  this.logger = new (winston.Logger)({
-    transports: [new (winston.transports.Console)({level: logLevel})]
-  });
-
   this._tradeQueue = [];
   this._sessionInfo = {};
 };
@@ -81,8 +74,12 @@ Trader.prototype._consolidateTrades = function () {
 
 Trader.prototype._purchase = function (trade, cb) {
   var self = this;
-  var rate = self.rate(trade.currency);
-  self.tradeExchange.purchase(trade.satoshis, rate.rate, function (err) {
+  var tradeCurrency = this.tradeExchange.currency();
+  var rate = this.rate(tradeCurrency).rate;
+  console.dir(this.rates);
+  console.log(rate);
+  console.log(tradeCurrency);
+  this.tradeExchange.purchase(trade.satoshis, rate, function (err) {
     if (err) return cb(err);
     self.pollBalance();
     cb();
@@ -233,27 +230,26 @@ Trader.prototype.trade = function (rec, deviceFingerprint) {
 Trader.prototype.executeTrades = function () {
   if (!this.tradeExchange) return;
 
-  this.logger.debug('checking for trades');
+  logger.debug('checking for trades');
 
   var trade = this._consolidateTrades();
-  this.logger.debug('consolidated: ', JSON.stringify(trade));
+  logger.debug('consolidated: ', JSON.stringify(trade));
 
   if (trade.fiat === 0) {
-    this.logger.debug('rejecting 0 trade');
+    logger.debug('rejecting 0 trade');
     return;
   }
 
   if (trade.fiat < this.config.exchanges.settings.minimumTradeFiat) {
     // throw it back in the water
-    this.logger.debug('reject fiat too small');
+    logger.debug('reject fiat too small');
     this._tradeQueue.unshift(trade);
     return;
   }
 
-  this.logger.debug('making a trade: %d', trade.satoshis / Math.pow(10, 8));
-  var self = this;
+  logger.debug('making a trade: %d', trade.satoshis / Math.pow(10, 8));
   this._purchase(trade, function (err) {
-    if (err) self.logger.error(err);
+    if (err) logger.error(err);
   });
 };
 
@@ -281,7 +277,7 @@ Trader.prototype.stopPolling = function () {
 Trader.prototype.pollBalance = function (callback) {
   var self = this;
 
-  self.logger.debug('collecting balance');
+  logger.debug('collecting balance');
 
   async.parallel({
     transferBalance: self.transferExchange.balance.bind(self.transferExchange),
@@ -298,7 +294,7 @@ Trader.prototype.pollBalance = function (callback) {
     }
 
     balance.timestamp = Date.now();
-    self.logger.debug('Balance update:', balance);
+    logger.debug('Balance update:', balance);
     self.balance = balance;
 
     return callback && callback(null, balance);
@@ -308,19 +304,20 @@ Trader.prototype.pollBalance = function (callback) {
 Trader.prototype.pollRate = function (callback) {
   var self = this;
 
-  var currency = self.config.exchanges.settings.currency;
-  self.logger.debug('polling for rate...');
-  self.tickerExchange.ticker(currency, function(err, rate) {
+  logger.debug('polling for rates...');
+  self.tickerExchange.ticker(function(err, resRates) {
     if (err) {
       return callback && callback(err);
     }
 
-    self.logger.debug('Rate update:', rate);
-    self.rates[currency] = {rate: rate, timestamp: new Date()};
-    return callback && callback(null, self.rates[currency]);
+    self.rateInfo = {rates: resRates, timestamp: new Date()};
   });
 };
 
+// This is the rate in local currency quote to the user
 Trader.prototype.rate = function () {
-  return this.rates[this.config.exchanges.settings.currency];
+  return {
+    rate: this.rateInfo.rates[this.config.exchanges.settings.currency],
+    timestamp: this.rateInfo.timestamp
+  };
 };

package.json

@@ -24,7 +24,8 @@
     "lamassu-bitstamp": "0.0.4",
     "lamassu-mtgox": "~0.0.1",
     "lamassu-blockchain": "~0.1.0",
-    "morgan": "~1.0.0"
+    "morgan": "~1.0.0",
+    "bunyan": "~0.22.3"
   },
   "repository": {
     "type": "git",