initial currency values setted on header controller

public/js/controllers/currency.js

@@ -3,11 +3,13 @@
 angular.module('insight.currency').controller('CurrencyController',
   function($scope, $rootScope, Currency) {
 
-    $rootScope.currency = {
-      factor: 1,
-      bitstamp: 0,
-      symbol: 'BTC',
-      getConvertion: function(value) {
+    var _roundFloat = function(x, n) {
+      if(!parseInt(n, 10) || !parseFloat(x)) n = 0;
+
+      return Math.round(x * Math.pow(10, n)) / Math.pow(10, n);
+    };
+
+    $rootScope.currency.getConvertion = function(value) {
       if (typeof value !== 'undefined' && value !== null) {
         var response;
 
@@ -25,13 +27,6 @@ angular.module('insight.currency').controller('CurrencyController',
       }
 
       return 'value error';
-      }
-    };
-
-    var _roundFloat = function(x, n) {
-      if(!parseInt(n, 10) || !parseFloat(x)) n = 0;
-
-      return Math.round(x * Math.pow(10, n)) / Math.pow(10, n);
     };
 
     $scope.setCurrency = function(currency) {

public/js/controllers/header.js

@@ -4,6 +4,12 @@ angular.module('insight.system').controller('HeaderController',
   function($scope, $rootScope, getSocket, Global, Block) {
   $scope.global = Global;
 
+  $rootScope.currency = {
+    factor: 1,
+    bitstamp: 0,
+    symbol: 'BTC'
+  };
+
   $scope.menu = [
     {
       'title': 'Blocks',