add ability to rename and delete

cw_bitcoin_cash/lib/src/bitcoin_cash_base.dart

@@ -1,7 +1,4 @@
 export 'bitcoin_cash_balance.dart';
-export 'bitcoin_cash_client.dart';
-export 'bitcoin_cash_transaction_history.dart';
-export 'bitcoin_cash_transaction_info.dart';
 export 'bitcoin_cash_wallet.dart';
 export 'bitcoin_cash_wallet_addresses.dart';
 export 'bitcoin_cash_wallet_creation_credentials.dart';

cw_bitcoin_cash/lib/src/bitcoin_cash_client.dart

@@ -1 +0,0 @@
-class BitcoinCashClient {}

cw_bitcoin_cash/lib/src/bitcoin_cash_pending_transaction.dart

@@ -1,25 +0,0 @@
-import 'package:cw_core/pending_transaction.dart';
-
-class BitcoinCashPendingTransaction with PendingTransaction {
-  @override
-  // TODO: implement amountFormatted
-  String get amountFormatted => throw UnimplementedError('amountFormatted is not implemented');
-
-  @override
-  Future<void> commit() {
-    // TODO: implement commit
-    throw UnimplementedError('commit is not implemented');
-  }
-
-  @override
-  // TODO: implement feeFormatted
-  String get feeFormatted => throw UnimplementedError('feeFormatted is not implemented');
-
-  @override
-  // TODO: implement hex
-  String get hex => throw UnimplementedError('hex is not implemented');
-
-  @override
-  // TODO: implement id
-  String get id => throw UnimplementedError('id is not implemented');
-}

cw_bitcoin_cash/lib/src/bitcoin_cash_transaction_history.dart

@@ -1,38 +0,0 @@
-import 'dart:core';
-
-import 'package:cw_core/transaction_history.dart';
-import 'package:cw_core/wallet_info.dart';
-import 'package:mobx/mobx.dart';
-
-import 'bitcoin_cash_transaction_info.dart';
-
-part 'bitcoin_cash_transaction_history.g.dart';
-
-class BitcoinCashTransactionHistory = BitcoinCashTransactionHistoryBase
-    with _$BitcoinCashTransactionHistory;
-
-abstract class BitcoinCashTransactionHistoryBase
-    extends TransactionHistoryBase<BitcoinCashTransactionInfo> with Store {
-  BitcoinCashTransactionHistoryBase({required this.walletInfo, required String password})
-      : _password = password,
-        _height = 0 {
-    transactions = ObservableMap<String, BitcoinCashTransactionInfo>();
-  }
-
-  final WalletInfo walletInfo;
-  String _password;
-  int _height;
-
-  @override
-  Future<void> save() async {
-    // TODO: implement
-    UnimplementedError('save() is not implemented');
-  }
-
-  @override
-  void addOne(BitcoinCashTransactionInfo transaction) => transactions[transaction.id] = transaction;
-
-  @override
-  void addMany(Map<String, BitcoinCashTransactionInfo> transactions) =>
-      this.transactions.addAll(transactions);
-}

cw_bitcoin_cash/lib/src/bitcoin_cash_transaction_info.dart

@@ -1,68 +0,0 @@
-import 'package:cw_core/format_amount.dart';
-import 'package:cw_core/transaction_direction.dart';
-import 'package:cw_core/transaction_info.dart';
-
-class BitcoinCashTransactionInfo extends TransactionInfo {
-  BitcoinCashTransactionInfo({
-    required this.id,
-    required this.height,
-    required this.amount,
-    required this.fee,
-    this.tokenSymbol = "BCH",
-    this.exponent = 18,
-    required this.direction,
-    required this.isPending,
-    required this.date,
-    required this.confirmations,
-  });
-
-  final String id;
-  final int height;
-  final int amount;
-  final int exponent;
-  final TransactionDirection direction;
-  final DateTime date;
-  final bool isPending;
-  final int fee;
-  final int confirmations;
-  final String tokenSymbol;
-  String? _fiatAmount;
-
-  @override
-  String amountFormatted() =>
-      '${formatAmount((BigInt.from(amount) / BigInt.from(10).pow(exponent)).toString())} $tokenSymbol';
-
-  @override
-  String fiatAmount() => _fiatAmount ?? '';
-
-  @override
-  void changeFiatAmount(String amount) => _fiatAmount = formatAmount(amount);
-
-  @override
-  String feeFormatted() => '${(BigInt.from(fee) / BigInt.from(10).pow(exponent)).toString()} BCH';
-
-  factory BitcoinCashTransactionInfo.fromJson(Map<String, dynamic> data) {
-    return BitcoinCashTransactionInfo(
-        id: data['id'] as String,
-        height: data['height'] as int,
-        amount: data['amount'] as int,
-        fee: data['fee'] as int,
-        direction: parseTransactionDirectionFromInt(data['direction'] as int),
-        date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
-        isPending: data['isPending'] as bool,
-        confirmations: data['confirmations'] as int);
-  }
-
-  Map<String, dynamic> toJson() {
-    final m = <String, dynamic>{};
-    m['id'] = id;
-    m['height'] = height;
-    m['amount'] = amount;
-    m['direction'] = direction.index;
-    m['date'] = date.millisecondsSinceEpoch;
-    m['isPending'] = isPending;
-    m['confirmations'] = confirmations;
-    m['fee'] = fee;
-    return m;
-  }
-}

cw_bitcoin_cash/lib/src/bitcoin_cash_wallet_service.dart

@@ -54,15 +54,31 @@ class BitcoinCashWalletService extends WalletService<BitcoinCashNewWalletCredent
   }
 
   @override
-  Future<void> remove(String wallet) {
-    // TODO: implement remove
-    throw UnimplementedError('remove() is not implemented');
+  Future<void> remove(String wallet) async {
+    File(await pathForWalletDir(name: wallet, type: getType()))
+        .delete(recursive: true);
+    final walletInfo = walletInfoSource.values.firstWhereOrNull(
+            (info) => info.id == WalletBase.idFor(wallet, getType()))!;
+    await walletInfoSource.delete(walletInfo.key);
   }
 
   @override
-  Future<void> rename(String currentName, String password, String newName) {
-    // TODO: implement rename
-    throw UnimplementedError('rename() is not implemented');
+  Future<void> rename(String currentName, String password, String newName) async {
+    final currentWalletInfo = walletInfoSource.values.firstWhereOrNull(
+            (info) => info.id == WalletBase.idFor(currentName, getType()))!;
+    final currentWallet = await BitcoinCashWalletBase.open(
+        password: password,
+        name: currentName,
+        walletInfo: currentWalletInfo,
+        unspentCoinsInfo: unspentCoinsInfoSource);
+
+    await currentWallet.renameWalletFiles(newName);
+
+    final newWalletInfo = currentWalletInfo;
+    newWalletInfo.id = WalletBase.idFor(newName, getType());
+    newWalletInfo.name = newName;
+
+    await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
   }
 
   @override