add message queue service

bws-mq.js

@@ -0,0 +1,19 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var _ = require('lodash');
+var io = require('socket.io');
+
+var DEFAULT_PORT = 3380;
+
+var port = parseInt(process.argv[2]) || DEFAULT_PORT;
+
+var server = io(port);
+server.on('connection', function(socket) {
+  socket.on('notification', function(data) {
+    server.emit('notification', data);
+  });
+});
+
+console.log('Message queue server listening on port ' + port)

lib/server.js

@@ -5,6 +5,7 @@ var async = require('async');
 var log = require('npmlog');
 log.debug = log.verbose;
 log.disableColor();
+var io = require('socket.io-client');
 
 var WalletUtils = require('bitcore-wallet-utils');
 var Bitcore = WalletUtils.Bitcore;
@@ -27,6 +28,7 @@ var Notification = require('./model/notification');
 
 var initialized = false;
 var lock, storage, blockchainExplorer, blockchainExplorerOpts;
+var messageQueue;
 
 
 /**
@@ -41,6 +43,7 @@ function WalletService() {
   this.storage = storage;
   this.blockchainExplorer = blockchainExplorer;
   this.blockchainExplorerOpts = blockchainExplorerOpts;
+  this.messageQueue = messageQueue;
   this.notifyTicker = 0;
 };
 
@@ -58,7 +61,6 @@ WalletService.onNotification = function(func) {
 WalletService.initialize = function(opts, cb) {
   $.shouldBeFunction(cb);
 
-
   opts = opts || {};
   lock = opts.lock || new Lock(opts.lockOpts);
   blockchainExplorer = opts.blockchainExplorer;
@@ -67,19 +69,51 @@ WalletService.initialize = function(opts, cb) {
   if (initialized)
     return cb();
 
+  function initStorage(cb) {
     if (opts.storage) {
       storage = opts.storage;
-    initialized = true;
       return cb();
-  } else {
+    }
     var newStorage = new Storage();
     newStorage.connect(opts.storageOpts, function(err) {
       if (err) return cb(err);
       storage = newStorage;
-      initialized = true;
       return cb();
     });
+  };
+
+  function initMessageQueue(cb) {
+    if (opts.messageQueue) {
+      messageQueue = opts.messageQueue;
+      return cb();
     }
+    messageQueue = io.connect('http://localhost:3380', {
+      'force new connection': true,
+    });
+    messageQueue.on('connect', function() {
+      return cb();
+    });
+    messageQueue.on('connect_error', function(err) {
+      log.warn('Could not connect to message queue server');
+    });
+  };
+
+  async.series([
+
+    function(next) {
+      initStorage(next);
+    },
+    function(next) {
+      initMessageQueue(next);
+    },
+  ], function(err) {
+    if (err) {
+      log.error('Could not initialize', err);
+      throw err;
+    }
+    initialized = true;
+    return cb();
+  });
 };
 
 
@@ -316,6 +350,7 @@ WalletService.prototype._notify = function(type, data, isGlobal, cb) {
   });
   this.storage.storeNotification(walletId, n, function() {
     self._emit('notification', n);
+    self.messageQueue.emit('notification', n);
     if (cb) return cb();
   });
 };

lib/wsapp.js

@@ -7,16 +7,13 @@ var log = require('npmlog');
 log.debug = log.verbose;
 var Uuid = require('uuid');
 
-var WalletUtils = require('bitcore-wallet-utils');
-var Bitcore = WalletUtils.Bitcore;
 var WalletService = require('./server');
-var BlockchainMonitor = require('./blockchainmonitor')
 
 var Notification = require('./model/notification');
 
 log.level = 'debug';
 
-var io, bcMonitor;
+var io, messageQueue;
 
 var WsApp = function() {};
 
@@ -25,31 +22,41 @@ WsApp._unauthorized = function(socket) {
   socket.disconnect();
 };
 
-WsApp.handleNotification = function(service, notification) {
-  if (notification.type == 'NewAddress') {
-    self.subscribeAddresses(notification.walletId, notification.data.address);
-  }
-  io.to(notification.walletId).emit('notification', notification);
-};
+// WsApp._handleNotification = function(notification) {
+//   console.log('*** [wsapp.js ln26] notification:', notification); // TODO
 
-WsApp.start = function(server, config) {
-  io = require('socket.io')(server);
-  bcMonitor = new BlockchainMonitor(config.blockchainExplorerOpts);
+//   io.to(notification.walletId).emit('notification', notification);
+// };
 
+WsApp._initMessageQueue = function(cb) {
   function handleNotification(notification) {
-    if (notification.type == 'NewAddress') {
-      bcMonitor.subscribeAddresses(notification.walletId, notification.data.address);
-    }
     io.to(notification.walletId).emit('notification', notification);
   };
 
-  bcMonitor.on('notification', handleNotification);
-  WalletService.onNotification(handleNotification);
+  messageQueue = require('socket.io-client').connect('http://localhost:3380', {
+    'force new connection': true,
+  });
+  messageQueue.on('connect_error', function(err) {
+    log.warn('Could not connect to message queue server');
+  });
+  messageQueue.on('notification', handleNotification);
+
+  messageQueue.on('connect', function() {
+    return cb();
+  });
+};
+
+WsApp.start = function(server, config, cb) {
+  io = require('socket.io')(server);
+
+  async.series([
 
+    function(done) {
+      WsApp._initMessageQueue(done);
+    },
+    function(done) {
       io.on('connection', function(socket) {
         socket.nonce = Uuid.v4();
-    socket.emit('challenge', socket.nonce);
-
         socket.on('authorize', function(data) {
           if (data.message != socket.nonce) return WsApp._unauthorized(socket);
 
@@ -58,12 +65,15 @@ WsApp.start = function(server, config) {
 
             socket.join(service.walletId);
             socket.emit('authorized');
-
-        bcMonitor.subscribeWallet(service, function(err) {
-          if (err) log.warn(err.message);
           });
         });
+
+        socket.emit('challenge', socket.nonce);
+        done();
       });
+    },
+  ], function(err) {
+    if (cb) return cb(err);
   });
 };
 

test/integration/server.js

@@ -865,7 +865,7 @@ describe('Wallet service', function() {
     });
   });
 
-  describe('#createTx', function() {
+  describe.only('#createTx', function() {
     var server, wallet;
     beforeEach(function(done) {
       helpers.createAndJoinWallet(2, 3, function(s, w) {