All done. Need fix logout.

lib/screens/purchase_success.dart

@@ -52,7 +52,7 @@ class PurchaseSuccessScreenState<T> extends BaseState<PurchaseSuccessScreen> {
   }
 
   @override Widget build(BuildContext context) {
-    
+
     if (currency == null) {
       helper.getCurrency().then((currency) {
         setState(() {
@@ -60,7 +60,7 @@ class PurchaseSuccessScreenState<T> extends BaseState<PurchaseSuccessScreen> {
         });
       });
     }
-    
+
     if (this.details['sum_bonus'] is String) {
       String regexString = r'(\d+) начислено, (\d+).*';
       RegExp regExp = new RegExp(regexString);
@@ -124,7 +124,7 @@ class PurchaseSuccessScreenState<T> extends BaseState<PurchaseSuccessScreen> {
 
   getScanButton() {
     String title = StringsLocalization.scan();
-    return buildRaisedButton(title, () => Navigator.of(context).pop(true));
+    return buildRaisedButton(title, () => Navigator.of(context).pop());
   }