send notification

lib/blockchainmonitor.js

@@ -25,7 +25,8 @@ BlockchainMonitor.prototype.start = function(opts, cb) {
   async.parallel([
 
     function(done) {
-      self.explorers = _.indexBy(_.map(['livenet', 'testnet'], function(network) {
+      self.explorers = {};
+      _.map(['livenet', 'testnet'], function(network) {
         var explorer;
         if (opts.blockchainExplorers) {
           explorer = opts.blockchainExplorers[network];
@@ -42,9 +43,9 @@ BlockchainMonitor.prototype.start = function(opts, cb) {
           });
         }
         $.checkState(explorer);
-        self._initExplorer(explorer);
-        return explorer;
-      }), 'network');
+        self._initExplorer(network, explorer);
+        self.explorers[network] = explorer;
+      });
       done();
     },
     function(done) {
@@ -72,7 +73,7 @@ BlockchainMonitor.prototype.start = function(opts, cb) {
   });
 };
 
-BlockchainMonitor.prototype._initExplorer = function(explorer) {
+BlockchainMonitor.prototype._initExplorer = function(network, explorer) {
   var self = this;
 
   var socket = explorer.initSocket();
@@ -85,7 +86,7 @@ BlockchainMonitor.prototype._initExplorer = function(explorer) {
     log.error('Error connecting to ' + explorer.getConnectionInfo());
   });
   socket.on('tx', _.bind(self._handleIncomingTx, self));
-  socket.on('block', _.bind(self._handleNewBlock, self, explorer.network));
+  socket.on('block', _.bind(self._handleNewBlock, self, network));
 };
 
 BlockchainMonitor.prototype._handleThirdPartyBroadcasts = function(data, processIt) {
@@ -209,7 +210,7 @@ BlockchainMonitor.prototype._handleIncomingTx = function(data) {
 BlockchainMonitor.prototype._notifyNewBlock = function(network, hash) {
   var self = this;
 
-  log.info('New ' + network + ' block: ', hash);
+  log.info('New ' + network + ' block: ' + hash);
   var notification = Notification.create({
     type: 'NewBlock',
     walletId: network, // use network name as wallet id for global notifications
@@ -229,17 +230,52 @@ BlockchainMonitor.prototype._notifyNewBlock = function(network, hash) {
 BlockchainMonitor.prototype._handleTxConfirmations = function(network, hash) {
   var self = this;
 
+  function processTriggeredSubs(subs, cb) {
+    async.each(subs, function(sub) {
+      log.info('New tx confirmation ' + sub.txid);
+      sub.isActive = false;
+      self.storage.storeTxConfirmationSub(sub, function(err) {
+        if (err) return cb(err);
+
+        var notification = Notification.create({
+          type: 'TxConfirmation',
+          walletId: sub.walletId,
+          creatorId: sub.copayerId,
+          data: {
+            txid: sub.txid,
+            network: network,
+            // TODO: amount
+          },
+        });
+        self._storeAndBroadcastNotification(notification, cb);
+      });
+    });
+  };
+
   var explorer = self.explorers[network];
   if (!explorer) return;
 
   explorer.getTxidsInBlock(hash, function(err, txids) {
     if (err) {
-      log.error('Could not fetch txids from block ' + hash);
+      log.error('Could not fetch txids from block ' + hash, err);
       return;
     }
 
-    // self.storage.fetchTx
-
+    self.storage.fetchActiveTxConfirmationSubs(null, function(err, subs) {
+      if (err) return;
+      if (_.isEmpty(subs)) return;
+      var indexedSubs = _.indexBy(subs, 'txid');
+      var triggered = [];
+      _.each(txids, function(txid) {
+        if (indexedSubs[txid]) triggered.push(indexedSubs[txid]);
+      });
+      processTriggeredSubs(triggered, function(err) {
+        if (err) {
+          log.error('Could not process tx confirmations', err);
+        }
+        return;
+      });
+    });
   });
 };
 

lib/model/txconfirmationsub.js

@@ -9,9 +9,9 @@ TxConfirmationSub.create = function(opts) {
 
   x.version = 1;
   x.createdOn = Math.floor(Date.now() / 1000);
+  x.walletId = opts.walletId;
   x.copayerId = opts.copayerId;
   x.txid = opts.txid;
-  x.nbConfirmations = opts.nbConfirmations || 1;
   x.isActive = true;
   return x;
 };
@@ -21,9 +21,9 @@ TxConfirmationSub.fromObj = function(obj) {
 
   x.version = obj.version;
   x.createdOn = obj.createdOn;
+  x.walletId = obj.walletId;
   x.copayerId = obj.copayerId;
   x.txid = obj.txid;
-  x.nbConfirmations = obj.nbConfirmations;
   x.isActive = obj.isActive;
   return x;
 };

lib/server.js

@@ -3140,7 +3140,6 @@ WalletService.prototype.pushNotificationsUnsubscribe = function(opts, cb) {
  * Subscribe this copayer to the specified tx to get a notification when the tx confirms.
  * @param {Object} opts
  * @param {string} opts.txid - The txid of the tx to be notified of.
- * @param {string} [opts.nbConfirmations=1] - The number of confirmations to wait before sending the notification.
  */
 WalletService.prototype.txConfirmationSubscribe = function(opts, cb) {
   if (!checkRequired(opts, ['txid'], cb)) return;
@@ -3149,8 +3148,8 @@ WalletService.prototype.txConfirmationSubscribe = function(opts, cb) {
 
   var sub = Model.TxConfirmationSub.create({
     copayerId: self.copayerId,
+    walletId: self.walletId,
     txid: opts.txid,
-    nbConfirmations: +opts.nbConfirmations || 1,
   });
 
   self.storage.storeTxConfirmationSub(sub, cb);

lib/storage.js

@@ -941,19 +941,22 @@ Storage.prototype.removePushNotificationSub = function(copayerId, token, cb) {
 };
 
 Storage.prototype.fetchActiveTxConfirmationSubs = function(copayerId, cb) {
-  this.db.collection(collections.TX_CONFIRMATION_SUBS).find({
-    copayerId: copayerId,
-    isActive: true,
-  }).toArray(function(err, result) {
-    if (err) return cb(err);
+  var filter = {
+    isActive: true
+  };
+  if (copayerId) filter.copayerId = copayerId;
 
-    if (!result) return cb();
+  this.db.collection(collections.TX_CONFIRMATION_SUBS).find(filter)
+    .toArray(function(err, result) {
+      if (err) return cb(err);
 
-    var subs = _.map([].concat(result), function(r) {
-      return Model.TxConfirmationSub.fromObj(r);
+      if (!result) return cb();
+
+      var subs = _.map([].concat(result), function(r) {
+        return Model.TxConfirmationSub.fromObj(r);
+      });
+      return cb(null, subs);
     });
-    return cb(null, subs);
-  });
 };
 
 Storage.prototype.storeTxConfirmationSub = function(txConfirmationSub, cb) {

test/integration/bcmonitor.js

@@ -114,4 +114,45 @@ describe('Blockchain monitor', function() {
       }, 50);
     });
   });
+
+  it('should notify copayers of tx confirmation', function(done) {
+    server.createAddress({}, function(err, address) {
+      should.not.exist(err);
+
+      var incoming = {
+        txid: '123',
+        vout: [{}],
+      };
+      incoming.vout[0][address.address] = 1500;
+
+      server.txConfirmationSubscribe({
+        txid: '123'
+      }, function(err) {
+        should.not.exist(err);
+
+        blockchainExplorer.getTxidsInBlock = sinon.stub().callsArgWith(1, null, ['123', '456']);
+        socket.handlers['block']('block1');
+
+        setTimeout(function() {
+          blockchainExplorer.getTxidsInBlock = sinon.stub().callsArgWith(1, null, ['123', '456']);
+          socket.handlers['block']('block2');
+
+          setTimeout(function() {
+            server.getNotifications({}, function(err, notifications) {
+              should.not.exist(err);
+              var notifications = _.filter(notifications, {
+                type: 'TxConfirmation'
+              });
+              notifications.length.should.equal(1);
+              var n = notifications[0];
+              n.walletId.should.equal(wallet.id);
+              n.creatorId.should.equal(server.copayerId);
+              n.data.txid.should.equal('123');
+              done();
+            });
+          }, 50);
+        }, 50);
+      });
+    });
+  });
 });

test/integration/server.js

@@ -7365,7 +7365,6 @@ describe('Wallet service', function() {
             subs.length.should.equal(1);
             var s = subs[0];
             s.txid.should.equal('123');
-            s.nbConfirmations.should.equal(1);
             s.isActive.should.be.true;
             done();
           });
@@ -7380,17 +7379,12 @@ describe('Wallet service', function() {
         }, function(err) {
           server.txConfirmationSubscribe({
             txid: '123',
-            nbConfirmations: 6,
           }, function(err) {
             should.not.exist(err);
             server.storage.fetchActiveTxConfirmationSubs(wallet.copayers[0].id, function(err, subs) {
               should.not.exist(err);
               should.exist(subs);
               subs.length.should.equal(1);
-              var s = subs[0];
-              s.txid.should.equal('123');
-              s.nbConfirmations.should.equal(6);
-              s.isActive.should.be.true;
               done();
             });
           });