[skip ci] add transaction priority

cw_bitcoin_cash/lib/src/bitcoin_cash_transaction_priority.dart

@@ -1,9 +1,52 @@
 import 'package:cw_core/transaction_priority.dart';
 
-class BitcoinCashTransactionPriority extends TransactionPriority{
-  BitcoinCashTransactionPriority({required super.title, required super.raw});
+class BitcoinCashTransactionPriority extends TransactionPriority {
+  const BitcoinCashTransactionPriority({required String title, required int raw})
+      : super(title: title, raw: raw);
 
-  static BitcoinCashTransactionPriority deserialize ({required int raw}) {
-    throw UnimplementedError('BitcoinCashTransactionPriority.deserialize() is not implemented');
+  static const List<BitcoinCashTransactionPriority> all = [fast, medium, slow];
+  static const BitcoinCashTransactionPriority slow =
+      BitcoinCashTransactionPriority(title: 'Slow', raw: 0);
+  static const BitcoinCashTransactionPriority medium =
+      BitcoinCashTransactionPriority(title: 'Medium', raw: 1);
+  static const BitcoinCashTransactionPriority fast =
+      BitcoinCashTransactionPriority(title: 'Fast', raw: 2);
+
+  static BitcoinCashTransactionPriority deserialize({required int raw}) {
+    switch (raw) {
+      case 0:
+        return slow;
+      case 1:
+        return medium;
+      case 2:
+        return fast;
+      default:
+        throw Exception('Unexpected token: $raw for BitcoinTransactionPriority deserialize');
+    }
   }
-}
+
+  String get units => 'sat';
+
+  @override
+  String toString() {
+    var label = '';
+
+    switch (this) {
+      case BitcoinCashTransactionPriority.slow:
+        label = 'Slow ~24hrs'; // '${S.current.transaction_priority_slow} ~24hrs';
+        break;
+      case BitcoinCashTransactionPriority.medium:
+        label = 'Medium'; // S.current.transaction_priority_medium;
+        break;
+      case BitcoinCashTransactionPriority.fast:
+        label = 'Fast'; // S.current.transaction_priority_fast;
+        break;
+      default:
+        break;
+    }
+
+    return label;
+  }
+
+  String labelWithRate(int rate) => '${toString()} ($rate ${units}/byte)';
+}

lib/bitcoin_cash/cw_bitcoin_cash.dart

@@ -31,6 +31,8 @@ class CWBitcoinCash extends BitcoinCash {
       BitcoinCashTransactionPriority.deserialize(raw: raw);
 
   @override
-  TransactionPriority getDefaultTransactionPriority() =>
-      throw UnimplementedError('getDefaultTransactionPriority');
+  TransactionPriority getDefaultTransactionPriority() => BitcoinCashTransactionPriority.medium;
+
+  @override
+  List<TransactionPriority> getTransactionPriorities() => BitcoinCashTransactionPriority.all;
 }

lib/entities/priority_for_wallet_type.dart

@@ -1,4 +1,5 @@
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
+import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/monero/monero.dart';
@@ -17,6 +18,8 @@ List<TransactionPriority> priorityForWalletType(WalletType type) {
       return haven!.getTransactionPriorities();
     case WalletType.ethereum:
       return ethereum!.getTransactionPriorities();
+    case WalletType.bitcoinCash:
+      return bitcoinCash!.getTransactionPriorities();
     default:
       return [];
   }

lib/src/screens/wallet_list/wallet_list_page.dart

@@ -51,7 +51,6 @@ class WalletListBodyState extends State<WalletListBody> {
     }
 
     final path = walletTypeToCryptoCurrency(type).iconPath ?? nonWalletTypeIconPath;
-    print('path: $path type: $type');
     return Image.asset(path, height: 24, width: 24);
   }
 

tool/configure.dart

@@ -594,6 +594,8 @@ abstract class BitcoinCash {
   TransactionPriority deserializeBitcoinCashTransactionPriority(int raw);
 
   TransactionPriority getDefaultTransactionPriority();
+
+  List<TransactionPriority> getTransactionPriorities();
 }
   """;