fix: Generic fixes of bugs from Support (#1774)

cw_bitcoin/lib/electrum_wallet.dart

@@ -2270,6 +2270,8 @@ abstract class ElectrumWalletBase extends WalletBase<
       Timer(Duration(seconds: 5), () {
         if (this.syncStatus is NotConnectedSyncStatus ||
             this.syncStatus is LostConnectionSyncStatus) {
+          if (node == null) return;
+
           this.electrumClient.connectToUri(
                 node!.uri,
                 useSSL: node!.useSSL ?? false,

cw_haven/lib/haven_wallet_addresses.dart

@@ -23,6 +23,8 @@ abstract class HavenWalletAddressesBase extends WalletAddressesWithAccount<Accou
   @observable
   String address;
   
+  String get primaryAddress => address;
+  
   // @override
   @observable
   Account? account;

lib/core/wallet_connect/web3wallet_service.dart

@@ -267,6 +267,8 @@ abstract class Web3WalletServiceBase with Store {
 
     final keyForWallet = getKeyForStoringTopicsForWallet();
 
+    if (keyForWallet.isEmpty) return;
+
     final currentTopicsForWallet = getPairingTopicsForWallet(keyForWallet);
 
     final filteredPairings =
@@ -360,6 +362,10 @@ abstract class Web3WalletServiceBase with Store {
   String getKeyForStoringTopicsForWallet() {
     List<ChainKeyModel> chainKeys = walletKeyService.getKeysForChain(appStore.wallet!);
 
+    if (chainKeys.isEmpty) {
+      return '';
+    }
+
     final keyForPairingTopic =
         PreferencesKey.walletConnectPairingTopicsListForWallet(chainKeys.first.publicKey);
 
@@ -386,6 +392,8 @@ abstract class Web3WalletServiceBase with Store {
     // Get key specific to the current wallet
     final key = getKeyForStoringTopicsForWallet();
 
+    if (key.isEmpty) return;
+
     // Get all pairing topics attached to this key
     final pairingTopicsForWallet = getPairingTopicsForWallet(key);
 

lib/entities/fiat_currency.dart

@@ -114,7 +114,7 @@ class FiatCurrency extends EnumerableItem<String> with Serializable<String> impl
     FiatCurrency.tur.raw: FiatCurrency.tur,
   };
 
-  static FiatCurrency deserialize({required String raw}) => _all[raw]!;
+  static FiatCurrency deserialize({required String raw}) => _all[raw] ?? FiatCurrency.usd;
 
   @override
   bool operator ==(Object other) => other is FiatCurrency && other.raw == raw;

lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart

@@ -10,7 +10,6 @@ import 'package:cake_wallet/src/screens/dashboard/desktop_widgets/dropdown_item_
 import 'package:cake_wallet/src/screens/wallet_unlock/wallet_unlock_arguments.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/store/settings_store.dart';
-import 'package:cake_wallet/themes/extensions/cake_text_theme.dart';
 import 'package:cake_wallet/themes/extensions/menu_theme.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
@@ -100,6 +99,11 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         ),
       ];
 
+      final selectedItem = dropDownItems.firstWhere(
+        (element) => element.isSelected,
+        orElse: () => dropDownItems.first,
+      );
+
       return DropdownButton<DesktopDropdownItem>(
         items: dropDownItems
             .map(
@@ -115,7 +119,7 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         dropdownColor: themeData.extension<CakeMenuTheme>()!.backgroundColor,
         style: TextStyle(color: themeData.extension<CakeTextTheme>()!.titleColor),
         selectedItemBuilder: (context) => dropDownItems.map((item) => item.child).toList(),
-        value: dropDownItems.firstWhere((element) => element.isSelected),
+        value: selectedItem,
         underline: const SizedBox(),
         focusColor: Colors.transparent,
         borderRadius: BorderRadius.circular(15.0),

lib/src/screens/wallet_connect/widgets/modals/bottom_sheet_listener.dart

@@ -52,7 +52,9 @@ class BottomSheetListenerState extends State<BottomSheetListener> {
           );
         },
       );
-      item.completer.complete(value);
+      if (!item.completer.isCompleted) {
+        item.completer.complete(value);
+      }
       widget.bottomSheetService.resetCurrentSheet();
     }
   }

lib/src/widgets/cake_image_widget.dart

@@ -25,6 +25,7 @@ class CakeImageWidget extends StatelessWidget {
           imageUrl!,
           height: height,
           width: width,
+          errorBuilder: (_, __, ___) => Icon(Icons.error),
         );
       }
 
@@ -33,6 +34,7 @@ class CakeImageWidget extends StatelessWidget {
           imageUrl!,
           height: height,
           width: width,
+          placeholderBuilder: (_) => Icon(Icons.error),
         );
       }
 

lib/src/widgets/services_updates_widget.dart

@@ -46,6 +46,7 @@ class _ServicesUpdatesWidgetState extends State<ServicesUpdatesWidget> {
           "assets/images/notification_icon.svg",
           color: Theme.of(context).extension<DashboardPageTheme>()!.pageTitleTextColor,
           width: 30,
+          placeholderBuilder: (_) => Icon(Icons.error),
         ),
       );
     }
@@ -136,6 +137,7 @@ class _ServicesUpdatesWidgetState extends State<ServicesUpdatesWidget> {
                   "assets/images/notification_icon.svg",
                   color: Theme.of(context).extension<DashboardPageTheme>()!.pageTitleTextColor,
                   width: 30,
+                  placeholderBuilder: (_) => Icon(Icons.error),
                 ),
                 if (state.hasData && state.data!.hasUpdates && !wasOpened)
                   Container(

lib/utils/exception_handler.dart

@@ -62,6 +62,14 @@ class ExceptionHandler {
 
       await _addDeviceInfo(_file!);
 
+      // Check if a mail client is available
+      final bool canSend = await FlutterMailer.canSendMail();
+
+      if (Platform.isIOS && !canSend) {
+        debugPrint('Mail app is not available');
+        return;
+      }
+
       final MailOptions mailOptions = MailOptions(
         subject: 'Mobile App Issue',
         recipients: ['support@cakewallet.com'],

lib/utils/image_utill.dart

@@ -53,8 +53,18 @@ class ImageUtil {
             );
     } else {
       return isSvg
-          ? SvgPicture.asset(imagePath, height: _height, width: _width)
-          : Image.asset(imagePath, height: _height, width: _width);
+          ? SvgPicture.asset(
+              imagePath,
+              height: _height,
+              width: _width,
+              placeholderBuilder: (_) => Icon(Icons.error),
+            )
+          : Image.asset(
+              imagePath,
+              height: _height,
+              width: _width,
+              errorBuilder: (_, __, ___) => Icon(Icons.error),
+            );
     }
   }
 }