Unsubscribe to address event, and update addresstxid data format

public/src/js/controllers/address.js

@@ -4,26 +4,34 @@ angular.module('insight.address').controller('AddressController',
   function($scope, $rootScope, $routeParams, $location, Global, Address, getSocket) {
     $scope.global = Global;
 
-
     var socket = getSocket($scope);
-
-    var _startSocket = function () {
-      socket.on('bitcoind/addresstxid', function(tx) {
-        $rootScope.$broadcast('tx', tx);
-        var base = document.querySelector('base');
-        var baseUrl = base && base.href || '';
-        var beep = new Audio(baseUrl + '/sound/transaction.mp3');
-        beep.play();
+    var addrStr = $routeParams.addrStr;
+
+    var _startSocket = function() {
+      socket.on('bitcoind/addresstxid', function(data) {
+        if (data.address === addrStr) {
+          $rootScope.$broadcast('tx', data.txid);
+          var base = document.querySelector('base');
+          var beep = new Audio(base.href + '/sound/transaction.mp3');
+          beep.play();
+        }
       });
-      socket.emit('subscribe', 'bitcoind/addresstxid', [$routeParams.addrStr]);
+      socket.emit('subscribe', 'bitcoind/addresstxid', [addrStr]);
+    };
+
+    var _stopSocket = function () {
+      socket.emit('unsubscribe', 'bitcoind/addresstxid', [addrStr]);
     };
 
     socket.on('connect', function() {
       _startSocket();
     });
 
-    $scope.params = $routeParams;
+    $scope.$on('$destroy', function(){
+      _stopSocket();
+    });
 
+    $scope.params = $routeParams;
 
     $scope.findOne = function() {
       $rootScope.currentAddr = $routeParams.addrStr;