refactor bcmonitor

bcmonitor/bcmonitor.js

@@ -2,14 +2,19 @@
 
 'use strict';
 
+var _ = require('lodash');
 var log = require('npmlog');
 log.debug = log.verbose;
 
 var config = require('../config');
-var BlockchainExplorer = require('../lib/blockchainmonitor');
+var BlockchainMonitor = require('../lib/blockchainmonitor');
 
-BlockchainExplorer.start(config, function(err) {
+var bcm = new BlockchainMonitor();
+bcm.start(config, function(err) {
   if (err) throw err;
 
   console.log('Blockchain monitor started');
+  _.each(bcm.explorers, function(explorer) {
+    console.log('\t' + explorer.network.name + ': ' + explorer.url);
+  });
 });

lib/blockchainmonitor.js

@@ -12,39 +12,41 @@ var MessageBroker = require('./messagebroker');
 
 var Notification = require('./model/notification');
 
-var storage, messageBroker;
-
 function BlockchainMonitor() {};
 
-BlockchainMonitor.start = function(opts, cb) {
+BlockchainMonitor.prototype.start = function(opts, cb) {
   opts = opts || {};
   $.checkArgument(opts.blockchainExplorerOpts);
   $.checkArgument(opts.storageOpts);
 
+  var self = this;
+
   async.parallel([
 
     function(done) {
-      _.each(['livenet', 'testnet'], function(network) {
+      self.explorers = _.map(['livenet', 'testnet'], function(network) {
         var config = opts.blockchainExplorerOpts[network] || {};
-        BlockchainMonitor._initExplorer(config.provider, network, config.url);
+        return self._initExplorer(config.provider, network, config.url);
       });
       done();
     },
     function(done) {
-      storage = new Storage();
-      storage.connect(opts.storageOpts, done);
+      self.storage = new Storage();
+      self.storage.connect(opts.storageOpts, done);
     },
     function(done) {
-      messageBroker = new MessageBroker(opts.messageBrokerOpts);
+      self.messageBroker = new MessageBroker(opts.messageBrokerOpts);
       done();
     },
   ], cb);
 
 };
 
-BlockchainMonitor._initExplorer = function(provider, network, url) {
+BlockchainMonitor.prototype._initExplorer = function(provider, network, url) {
   $.checkArgument(provider == 'insight', 'Blockchain monitor ' + provider + ' not supported');
 
+  var self = this;
+
   var explorer = new BlockchainExplorer({
     provider: provider,
     network: network,
@@ -53,10 +55,14 @@ BlockchainMonitor._initExplorer = function(provider, network, url) {
 
   var socket = explorer.initSocket();
   socket.emit('subscribe', 'inv');
-  socket.on('tx', BlockchainMonitor._handleIncommingTx);
+  socket.on('tx', _.bind(self._handleIncommingTx, self));
+
+  return explorer;
 };
 
-BlockchainMonitor._handleIncommingTx = function(data) {
+BlockchainMonitor.prototype._handleIncommingTx = function(data) {
+  var self = this;
+
   if (!data || !data.vout) return;
 
   var outs = _.compact(_.map(data.vout, function(v) {
@@ -71,20 +77,22 @@ BlockchainMonitor._handleIncommingTx = function(data) {
   if (_.isEmpty(outs)) return;
 
   async.each(outs, function(out, next) {
-    storage.fetchAddress(out.address, function(err, address) {
+    self.storage.fetchAddress(out.address, function(err, address) {
       if (err || !address) return next(err);
       if (address.isChange) return next();
 
       var walletId = address.walletId;
-      log.info('Incoming tx for wallet ' + walletId + ' (' + out.address + ' -> ' + out.amount + ')');
-      BlockchainMonitor._createNotification(walletId, data.txid, out.address, out.amount, next);
+      log.info('Incoming tx for wallet ' + walletId + ' [' + out.amount + 'sat -> ' + out.address + ']');
+      self._createNotification(walletId, data.txid, out.address, out.amount, next);
     });
   }, function(err) {
     return;
   });
 };
 
-BlockchainMonitor._createNotification = function(walletId, txid, address, amount, cb) {
+BlockchainMonitor.prototype._createNotification = function(walletId, txid, address, amount, cb) {
+  var self = this;
+
   var n = Notification.create({
     type: 'NewIncomingTx',
     data: {
@@ -94,8 +102,8 @@ BlockchainMonitor._createNotification = function(walletId, txid, address, amount
     },
     walletId: walletId,
   });
-  storage.storeNotification(walletId, n, function() {
-    messageBroker.send(n)
+  self.storage.storeNotification(walletId, n, function() {
+    self.messageBroker.send(n)
     return cb();
   });
 };