Add doge coin to pay anything feature (#2481)

Fix cakepay token issue

lib/cake_pay/src/services/cake_pay_service.dart

@@ -3,14 +3,14 @@ import 'package:cake_wallet/cake_pay/src/services/cake_pay_api.dart';
 import 'package:cake_wallet/cake_pay/src/models/cake_pay_order.dart';
 import 'package:cake_wallet/cake_pay/src/models/cake_pay_vendor.dart';
 import 'package:cake_wallet/core/secure_storage.dart';
-import 'package:cake_wallet/entities/country.dart';
 
 class CakePayService {
   CakePayService(this.secureStorage, this.cakePayApi);
 
-  static const cakePayEmailStorageKey = 'cake_pay_email';
-  static const cakePayUsernameStorageKey = 'cake_pay_username';
-  static const cakePayUserTokenKey = 'cake_pay_user_token';
+  /// `_v2` was added to log out users so they can login using the new backend
+  static const cakePayEmailStorageKey = 'cake_pay_email_v2';
+  static const cakePayUsernameStorageKey = 'cake_pay_username_v2';
+  static const cakePayUserTokenKey = 'cake_pay_user_token_v2';
 
   static String get testCakePayApiKey => secrets.testCakePayApiKey;
 

lib/core/address_validator.dart

@@ -157,6 +157,8 @@ class AddressValidator extends TextValidator {
         pattern = '(lnbc|LNBC)([0-9]{1,}[a-zA-Z0-9]+)';
       case CryptoCurrency.zano:
         pattern = r'([1-9A-HJ-NP-Za-km-z]{90,200})|(@[\w\d.-]+)';
+      case CryptoCurrency.doge:
+        pattern = r'^D[a-km-zA-HJ-NP-Z1-9]{25,34}';
       default:
         return '';
     }

lib/core/universal_address_detector.dart

@@ -194,11 +194,19 @@ class UniversalAddressDetector {
         currency: CryptoCurrency.ltc,
       ),
 
-      // Solana (Base58 format, 32-44 chars)
+      // Dogecoin P2PKH
       _DetectionPattern(
-        pattern: RegExp(r'^[1-9A-HJ-NP-Za-km-z]{32,44}$'),
-        currency: CryptoCurrency.sol,
+        pattern: RegExp(r'^D[a-km-zA-HJ-NP-Z1-9]{25,34}$'),
+        currency: CryptoCurrency.doge,
       ),
+
+      // TODO: commented out until a better approach is implemented.
+      //  as this will consider most addresses to be a valid Solana address
+      // Solana (Base58 format, 32-44 chars)
+      // _DetectionPattern(
+      //   pattern: RegExp(r'^[1-9A-HJ-NP-Za-km-z]{32,44}$'),
+      //   currency: CryptoCurrency.sol,
+      // ),
     ];
 
     // Test each pattern in order of specificity