Notify user when a different currency is scanned

lib/main.dart

@@ -232,18 +232,11 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
   void handleDeepLinking(Uri uri) {
     if (uri == null || !mounted) return;
 
-    switch (uri.scheme) {
+    Navigator.pushNamed(
-      case "bitcoin":
+      navigatorKey.currentContext,
-      case "litecoin":
+      Routes.send,
-      case "haven":
+      arguments: PaymentRequest.fromUri(uri),
-      case "monero":
+    );
-      default:
-        Navigator.pushNamed(
-          navigatorKey.currentContext,
-          Routes.send,
-          arguments: PaymentRequest.fromUri(uri),
-        );
-    }
   }
 
   Future<void> _handleInitialUri() async {

lib/src/screens/send/widgets/send_card.dart

@@ -1,4 +1,5 @@
 import 'dart:ui';
+import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/utils/payment_request.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cake_wallet/routes.dart';
@@ -45,8 +46,8 @@ class SendCardState extends State<SendCard>
   SendCardState({
     @required this.output,
     @required this.sendViewModel,
-    PaymentRequest initialPaymentRequest})
+    this.initialPaymentRequest})
-      : addressController = TextEditingController(text: initialPaymentRequest?.address),
+      : addressController = TextEditingController(text: initialPaymentRequest?.address?.toLowerCase()),
         cryptoAmountController = TextEditingController(text: initialPaymentRequest?.amount),
         fiatAmountController = TextEditingController(),
         noteController = TextEditingController(),
@@ -60,6 +61,7 @@ class SendCardState extends State<SendCard>
 
   final Output output;
   final SendViewModel sendViewModel;
+  final PaymentRequest initialPaymentRequest;
 
   final TextEditingController addressController;
   final TextEditingController cryptoAmountController;
@@ -72,6 +74,27 @@ class SendCardState extends State<SendCard>
 
   bool _effectsInstalled = false;
 
+  @override
+  void initState() {
+    super.initState();
+
+    /// if the current wallet doesn't match the one in the qr code
+    if (initialPaymentRequest != null &&
+        sendViewModel.walletCurrencyName != initialPaymentRequest.scheme?.toLowerCase()) {
+      WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
+        showPopUp<void>(
+            context: context,
+            builder: (BuildContext context) {
+              return AlertWithOneAction(
+                  alertTitle: S.of(context).error,
+                  alertContent: S.of(context).unmatched_currencies,
+                  buttonText: S.of(context).ok,
+                  buttonAction: () => Navigator.of(context).pop());
+            });
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     super.build(context);
@@ -123,11 +146,6 @@ class SendCardState extends State<SendCard>
                           ? sendViewModel.textValidator
                           : sendViewModel.addressValidator;
 
-                      print("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
-                      print("444444444444444444444444444444");
-                      print(addressController.text);
-                      print(cryptoAmountController.text);
-
                       return AddressTextField(
                         focusNode: addressFocusNode,
                         controller: addressController,
@@ -529,7 +547,8 @@ class SendCardState extends State<SendCard>
     if (output.address.isNotEmpty) {
       addressController.text = output.address;
     }
-    if (output.cryptoAmount.isNotEmpty) {
+    if (output.cryptoAmount.isNotEmpty ||
+        sendViewModel.walletCurrencyName != initialPaymentRequest?.scheme?.toLowerCase()) {
       cryptoAmountController.text = output.cryptoAmount;
     }
     fiatAmountController.text = output.fiatAmount;

lib/utils/payment_request.dart

@@ -1,18 +1,21 @@
 class PaymentRequest {
-  PaymentRequest(this.address, this.amount);
+  PaymentRequest(this.address, this.amount, {this.scheme});
 
   factory PaymentRequest.fromUri(Uri uri) {
     var address = "";
     var amount = "";
+    var scheme = "";
 
     if (uri != null) {
       address = uri.path;
       amount = uri.queryParameters['tx_amount'] ?? uri.queryParameters['amount'] ?? "";
+      scheme = uri.scheme;
     }
 
-    return PaymentRequest(address, amount);
+    return PaymentRequest(address, amount, scheme: scheme);
   }
 
   final String address;
   final String amount;
+  final String scheme;
 }

lib/view_model/send/send_view_model.dart

@@ -157,6 +157,8 @@ abstract class SendViewModelBase with Store {
 
   WalletType get walletType => _wallet.type;
 
+  String get walletCurrencyName => _wallet.currency.name.toLowerCase();
+
   bool get hasCurrecyChanger => walletType == WalletType.haven;
 
   final WalletBase _wallet;

res/values/strings_de.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Geschenkkarte wird generiert",
   "open_gift_card": "Geschenkkarte öffnen",
   "contact_support": "Support kontaktieren",
-  "gift_cards_unavailable": "Geschenkkarten können derzeit nur über Monero, Bitcoin und Litecoin erworben werden"
+  "gift_cards_unavailable": "Geschenkkarten können derzeit nur über Monero, Bitcoin und Litecoin erworben werden",
+  "unmatched_currencies": "Die Währung Ihres aktuellen Wallets stimmt nicht mit der des gescannten QR überein"
 }

res/values/strings_en.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Gift Card is generated",
   "open_gift_card": "Open Gift Card",
   "contact_support": "Contact Support",
-  "gift_cards_unavailable": "Gift cards are available for purchase only with Monero, Bitcoin, and Litecoin at this time"
+  "gift_cards_unavailable": "Gift cards are available for purchase only with Monero, Bitcoin, and Litecoin at this time",
+  "unmatched_currencies": "Your current wallet's currency does not match that of the scanned QR"
 }

res/values/strings_es.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Se genera la tarjeta de regalo",
   "open_gift_card": "Abrir tarjeta de regalo",
   "contact_support": "Contactar con Soporte",
-  "gift_cards_unavailable": "Las tarjetas de regalo están disponibles para comprar solo a través de Monero, Bitcoin y Litecoin en este momento"
+  "gift_cards_unavailable": "Las tarjetas de regalo están disponibles para comprar solo a través de Monero, Bitcoin y Litecoin en este momento",
+  "unmatched_currencies": "La moneda de su billetera actual no coincide con la del QR escaneado"
 }

res/values/strings_fr.arb

@@ -630,5 +630,6 @@
   "gift_card_is_generated": "La carte-cadeau est générée",
   "open_gift_card": "Ouvrir la carte-cadeau",
   "contact_support": "Contacter l'assistance",
-  "gift_cards_unavailable": "Les cartes-cadeaux ne sont disponibles à l'achat que via Monero, Bitcoin et Litecoin pour le moment"
+  "gift_cards_unavailable": "Les cartes-cadeaux ne sont disponibles à l'achat que via Monero, Bitcoin et Litecoin pour le moment",
+  "unmatched_currencies": "La devise de votre portefeuille actuel ne correspond pas à celle du QR scanné"
 }

res/values/strings_hi.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "गिफ्ट कार्ड जनरेट हुआ",
   "open_gift_card": "गिफ्ट कार्ड खोलें",
   "contact_support": "सहायता से संपर्क करें",
-  "gift_cards_unavailable": "उपहार कार्ड इस समय केवल मोनेरो, बिटकॉइन और लिटकोइन के माध्यम से खरीदने के लिए उपलब्ध हैं"
+  "gift_cards_unavailable": "उपहार कार्ड इस समय केवल मोनेरो, बिटकॉइन और लिटकोइन के माध्यम से खरीदने के लिए उपलब्ध हैं",
+  "unmatched_currencies": "आपके वर्तमान वॉलेट की मुद्रा स्कैन किए गए क्यूआर से मेल नहीं खाती"
 }

res/values/strings_hr.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Poklon kartica je generirana",
   "open_gift_card": "Otvori darovnu karticu",
   "contact_support": "Kontaktirajte podršku",
-  "gift_cards_unavailable": "Poklon kartice trenutno su dostupne za kupnju samo putem Monera, Bitcoina i Litecoina"
+  "gift_cards_unavailable": "Poklon kartice trenutno su dostupne za kupnju samo putem Monera, Bitcoina i Litecoina",
+  "unmatched_currencies": "Valuta vašeg trenutnog novčanika ne odgovara onoj na skeniranom QR-u"
 }

res/values/strings_it.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Il buono regalo è stato generato",
   "open_gift_card": "Apri carta regalo",
   "contact_support": "Contatta l'assistenza",
-  "gift_cards_unavailable": "Le carte regalo sono disponibili per l'acquisto solo tramite Monero, Bitcoin e Litecoin in questo momento"
+  "gift_cards_unavailable": "Le carte regalo sono disponibili per l'acquisto solo tramite Monero, Bitcoin e Litecoin in questo momento",
+  "unmatched_currencies": "La valuta del tuo portafoglio attuale non corrisponde a quella del QR scansionato"
 }

res/values/strings_ja.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "ギフトカードが生成されます",
   "open_gift_card": "オープンギフトカード",
   "contact_support": "サポートに連絡する",
-  "gift_cards_unavailable": "現時点では、ギフトカードはMonero、Bitcoin、Litecoinからのみ購入できます。"
+  "gift_cards_unavailable": "現時点では、ギフトカードはMonero、Bitcoin、Litecoinからのみ購入できます。",
+  "unmatched_currencies": "現在のウォレットの通貨がスキャンされたQRの通貨と一致しません"
 }

res/values/strings_ko.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "기프트 카드가 생성되었습니다",
   "open_gift_card": "기프트 카드 열기",
   "contact_support": "지원팀에 문의",
-  "gift_cards_unavailable": "기프트 카드는 현재 Monero, Bitcoin 및 Litecoin을 통해서만 구매할 수 있습니다."
+  "gift_cards_unavailable": "기프트 카드는 현재 Monero, Bitcoin 및 Litecoin을 통해서만 구매할 수 있습니다.",
+  "unmatched_currencies": "현재 지갑의 통화가 스캔한 QR의 통화와 일치하지 않습니다."
 }

res/values/strings_nl.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Cadeaukaart is gegenereerd",
   "open_gift_card": "Geschenkkaart openen",
   "contact_support": "Contact opnemen met ondersteuning",
-  "gift_cards_unavailable": "Cadeaubonnen kunnen momenteel alleen worden gekocht via Monero, Bitcoin en Litecoin"
+  "gift_cards_unavailable": "Cadeaubonnen kunnen momenteel alleen worden gekocht via Monero, Bitcoin en Litecoin",
+  "unmatched_currencies": "De valuta van uw huidige portemonnee komt niet overeen met die van de gescande QR"
 }

res/values/strings_pl.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Karta podarunkowa jest generowana",
   "open_gift_card": "Otwórz kartę podarunkową",
   "contact_support": "Skontaktuj się z pomocą techniczną",
-  "gift_cards_unavailable": "Karty podarunkowe można obecnie kupić tylko za pośrednictwem Monero, Bitcoin i Litecoin"
+  "gift_cards_unavailable": "Karty podarunkowe można obecnie kupić tylko za pośrednictwem Monero, Bitcoin i Litecoin",
+  "unmatched_currencies": "Waluta Twojego obecnego portfela nie odpowiada walucie zeskanowanego kodu QR"
 }

res/values/strings_pt.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Cartão presente é gerado",
   "open_gift_card": "Abrir vale-presente",
   "contact_support": "Contatar Suporte",
-  "gift_cards_unavailable": "Os cartões-presente estão disponíveis para compra apenas através do Monero, Bitcoin e Litecoin no momento"
+  "gift_cards_unavailable": "Os cartões-presente estão disponíveis para compra apenas através do Monero, Bitcoin e Litecoin no momento",
+  "unmatched_currencies": "A moeda da sua carteira atual não corresponde à do QR digitalizado"
 }

res/values/strings_ru.arb

@@ -632,5 +632,6 @@
   "gift_card_is_generated": "Подарочная карта сгенерирована",
   "open_gift_card": "Открыть подарочную карту",
   "contact_support": "Связаться со службой поддержки",
-  "gift_cards_unavailable": "В настоящее время подарочные карты можно приобрести только через Monero, Bitcoin и Litecoin."
+  "gift_cards_unavailable": "В настоящее время подарочные карты можно приобрести только через Monero, Bitcoin и Litecoin.",
+  "unmatched_currencies": "Валюта вашего текущего кошелька не соответствует валюте отсканированного QR-кода."
 }

res/values/strings_uk.arb

@@ -631,5 +631,6 @@
   "gift_card_is_generated": "Подарункова картка створена",
   "open_gift_card": "Відкрити подарункову картку",
   "contact_support": "Звернутися до служби підтримки",
-  "gift_cards_unavailable": "Наразі подарункові картки можна придбати лише через Monero, Bitcoin і Litecoin"
+  "gift_cards_unavailable": "Наразі подарункові картки можна придбати лише через Monero, Bitcoin і Litecoin",
+  "unmatched_currencies": "Валюта вашого гаманця не збігається з валютою сканованого QR-коду"
 }

res/values/strings_zh.arb

@@ -630,5 +630,6 @@
   "gift_card_is_generated": "礼品卡生成",
   "open_gift_card": "打开礼品卡",
   "contact_support": "联系支持",
-  "gift_cards_unavailable": "目前只能通过门罗币、比特币和莱特币购买礼品卡"
+  "gift_cards_unavailable": "目前只能通过门罗币、比特币和莱特币购买礼品卡",
+  "unmatched_currencies": "您当前钱包的货币与扫描的 QR 的货币不匹配"
 }