Validate bitcoin's saved transaction priority

cw_bitcoin/lib/bitcoin_transaction_priority.dart

@@ -13,6 +13,8 @@ class BitcoinTransactionPriority extends TransactionPriority {
   static const BitcoinTransactionPriority fast =
       BitcoinTransactionPriority(title: 'Fast', raw: 2);
 
+  static const BitcoinTransactionPriority defaultPriority = medium;
+
   static BitcoinTransactionPriority deserialize({required int raw}) {
     switch (raw) {
       case 0:
@@ -22,7 +24,7 @@ class BitcoinTransactionPriority extends TransactionPriority {
       case 2:
         return fast;
       default:
-        return medium;
+        throw Exception('Unexpected token: $raw for BitcoinTransactionPriority deserialize');
     }
   }
 
@@ -73,7 +75,7 @@ class LitecoinTransactionPriority extends BitcoinTransactionPriority {
       case 2:
         return fast;
       default:
-        return medium;
+        throw Exception('Unexpected token: $raw for LitecoinTransactionPriority deserialize');
     }
   }
 

cw_core/lib/monero_transaction_priority.dart

@@ -21,22 +21,6 @@ class MoneroTransactionPriority extends TransactionPriority {
   static const fastest = MoneroTransactionPriority(title: 'Fastest', raw: 4);
   static const standard = slow;
 
-
-  static List<MoneroTransactionPriority> forWalletType(WalletType type) {
-    switch (type) {
-      case WalletType.monero:
-        return MoneroTransactionPriority.all;
-      case WalletType.bitcoin:
-        return [
-          MoneroTransactionPriority.slow,
-          MoneroTransactionPriority.automatic,
-          MoneroTransactionPriority.fast
-        ];
-      default:
-        return [];
-    }
-  }
-
   static MoneroTransactionPriority deserialize({required int raw}) {
     switch (raw) {
       case 0:
@@ -50,7 +34,7 @@ class MoneroTransactionPriority extends TransactionPriority {
       case 4:
         return fastest;
       default:
-        return automatic;
+        throw Exception('Unexpected token: $raw for MoneroTransactionPriority deserialize');
     }
   }
 

lib/entities/default_settings_migration.dart

@@ -1,10 +1,12 @@
 import 'dart:io' show File, Platform;
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
+import 'package:cw_bitcoin/bitcoin_transaction_priority.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:hive/hive.dart';
+import 'package:share_plus/share_plus.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cw_core/wallet_type.dart';
@@ -139,6 +141,10 @@ Future defaultSettingsMigration(
           await addOnionNode(nodes);
           break;
 
+        case 19:
+          await validateBitcoinSavedTransactionPriority(sharedPreferences);
+          break;
+
         default:
           break;
       }
@@ -154,6 +160,14 @@ Future defaultSettingsMigration(
       PreferencesKey.currentDefaultSettingsMigrationVersion, version);
 }
 
+Future<void> validateBitcoinSavedTransactionPriority(SharedPreferences sharedPreferences) async {
+  int? savedBitcoinPriority = sharedPreferences.getInt(PreferencesKey.bitcoinTransactionPriority);
+  if (!BitcoinTransactionPriority.all.any((element) => element.raw == savedBitcoinPriority)) {
+    await sharedPreferences.setInt(
+        PreferencesKey.bitcoinTransactionPriority, BitcoinTransactionPriority.defaultPriority.raw);
+  }
+}
+
 Future<void> addOnionNode(Box<Node> nodes) async {
   final onionNodeUri = "cakexmrl7bonq7ovjka5kuwuyd3f7qnkz6z6s6dmsy3uckwra7bvggyd.onion:18081";
 

lib/main.dart

@@ -129,7 +129,7 @@ Future<void> main() async {
         exchangeTemplates: exchangeTemplates,
         transactionDescriptions: transactionDescriptions,
         secureStorage: secureStorage,
-        initialMigrationVersion: 18);
+        initialMigrationVersion: 19);
     runApp(App());
   } catch (e, stacktrace) {
     runApp(MaterialApp(