refactor wallet constructors and add wownero shell

lib/wallets/crypto_currency/coins/bitcoin.dart

@@ -3,8 +3,8 @@ import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
 import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
-import 'package:stackwallet/wallets/crypto_currency/bip39_hd_currency.dart';
 import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_hd_currency.dart';
 
 class Bitcoin extends Bip39HDCurrency {
   Bitcoin(super.network) {

lib/wallets/crypto_currency/coins/bitcoincash.dart

@@ -8,8 +8,8 @@ import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
 import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
-import 'package:stackwallet/wallets/crypto_currency/bip39_hd_currency.dart';
 import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_hd_currency.dart';
 
 class Bitcoincash extends Bip39HDCurrency {
   Bitcoincash(super.network) {

lib/wallets/crypto_currency/coins/epiccash.dart

@@ -1,7 +1,7 @@
 import 'package:flutter_libepiccash/lib.dart' as epic;
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
-import 'package:stackwallet/wallets/crypto_currency/bip39_currency.dart';
 import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_currency.dart';
 
 class Epiccash extends Bip39Currency {
   Epiccash(super.network) {

lib/wallets/crypto_currency/coins/wownero.dart

@@ -0,0 +1,19 @@
+import 'package:stackwallet/wallets/crypto_currency/intermediate/cryptonote_currency.dart';
+
+class Wownero extends CryptonoteCurrency {
+  Wownero(super.network);
+
+  @override
+  // TODO: implement genesisHash
+  String get genesisHash => throw UnimplementedError();
+
+  @override
+  // TODO: implement minConfirms
+  int get minConfirms => throw UnimplementedError();
+
+  @override
+  bool validateAddress(String address) {
+    // TODO: implement validateAddress
+    throw UnimplementedError();
+  }
+}

lib/wallets/crypto_currency/intermediate/bip39_hd_currency.dart

@@ -6,7 +6,7 @@ import 'package:flutter/foundation.dart';
 import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
-import 'package:stackwallet/wallets/crypto_currency/bip39_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_currency.dart';
 
 abstract class Bip39HDCurrency extends Bip39Currency {
   Bip39HDCurrency(super.network);

lib/wallets/crypto_currency/intermediate/cryptonote_currency.dart

@@ -0,0 +1,5 @@
+import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+
+abstract class CryptonoteCurrency extends CryptoCurrency {
+  CryptonoteCurrency(super.network);
+}

lib/wallets/wallet/impl/bitcoin_wallet.dart

@@ -15,12 +15,9 @@ class BitcoinWallet extends Bip39HDWallet with ElectrumXMixin {
   int get isarTransactionVersion => 2;
 
   BitcoinWallet(
-    super.cryptoCurrency, {
+    Bitcoin cryptoCurrency, {
     required NodeService nodeService,
-  }) {
+  }) : super(cryptoCurrency) {
-    // TODO: [prio=low] ensure this hack isn't needed
-    assert(cryptoCurrency is Bitcoin);
-
     this.nodeService = nodeService;
   }
 

lib/wallets/wallet/impl/bitcoincash_wallet.dart

@@ -24,12 +24,9 @@ class BitcoincashWallet extends Bip39HDWallet with ElectrumXMixin {
   int get isarTransactionVersion => 2;
 
   BitcoincashWallet(
-    super.cryptoCurrency, {
+    Bitcoincash cryptoCurrency, {
     required NodeService nodeService,
-  }) {
+  }) : super(cryptoCurrency) {
-    // TODO: [prio=low] ensure this hack isn't needed
-    assert(cryptoCurrency is Bitcoincash);
-
     this.nodeService = nodeService;
   }
 

lib/wallets/wallet/impl/epiccash_wallet.dart

@@ -4,13 +4,17 @@ import 'package:stackwallet/services/node_service.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/logger.dart';
 import 'package:stackwallet/utilities/test_epic_box_connection.dart';
+import 'package:stackwallet/wallets/crypto_currency/coins/epiccash.dart';
 import 'package:stackwallet/wallets/models/tx_data.dart';
 import 'package:stackwallet/wallets/wallet/intermediate/bip39_wallet.dart';
 
 class EpiccashWallet extends Bip39Wallet {
-  final NodeService nodeService;
+  late final NodeService nodeService;
 
-  EpiccashWallet(super.cryptoCurrency, {required this.nodeService});
+  EpiccashWallet(
+    Epiccash cryptoCurrency, {
+    required this.nodeService,
+  }) : super(cryptoCurrency);
 
   @override
   Future<TxData> confirmSend({required TxData txData}) {

lib/wallets/wallet/impl/wownero_wallet.dart

@@ -0,0 +1,54 @@
+import 'package:stackwallet/models/paymint/fee_object_model.dart';
+import 'package:stackwallet/utilities/amount/amount.dart';
+import 'package:stackwallet/wallets/crypto_currency/coins/wownero.dart';
+import 'package:stackwallet/wallets/wallet/intermediate/cryptonote_wallet.dart';
+
+class WowneroWallet extends CryptonoteWallet {
+  WowneroWallet(Wownero wownero) : super(wownero);
+
+  @override
+  Future<Amount> estimateFeeFor(Amount amount, int feeRate) {
+    // TODO: implement estimateFeeFor
+    throw UnimplementedError();
+  }
+
+  @override
+  // TODO: implement fees
+  Future<FeeObject> get fees => throw UnimplementedError();
+
+  @override
+  Future<bool> pingCheck() {
+    // TODO: implement pingCheck
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<void> updateBalance() {
+    // TODO: implement updateBalance
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<void> updateChainHeight() {
+    // TODO: implement updateChainHeight
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<void> updateNode() {
+    // TODO: implement updateNode
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<void> updateTransactions() {
+    // TODO: implement updateTransactions
+    throw UnimplementedError();
+  }
+
+  @override
+  Future<void> updateUTXOs() {
+    // TODO: implement updateUTXOs
+    throw UnimplementedError();
+  }
+}

lib/wallets/wallet/intermediate/bip39_hd_wallet.dart

@@ -5,12 +5,12 @@ import 'package:stackwallet/models/balance.dart';
 import 'package:stackwallet/models/isar/models/isar_models.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/enums/derive_path_type_enum.dart';
-import 'package:stackwallet/wallets/crypto_currency/bip39_hd_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_hd_currency.dart';
 import 'package:stackwallet/wallets/models/tx_data.dart';
 import 'package:stackwallet/wallets/wallet/intermediate/bip39_wallet.dart';
 
 abstract class Bip39HDWallet<T extends Bip39HDCurrency> extends Bip39Wallet<T> {
-  Bip39HDWallet(super.cryptoCurrency);
+  Bip39HDWallet(T cryptoCurrency) : super(cryptoCurrency);
 
   /// Generates a receiving address of [info.mainAddressType]. If none
   /// are in the current wallet db it will generate at index 0, otherwise the

lib/wallets/wallet/intermediate/bip39_wallet.dart

@@ -1,10 +1,10 @@
-import 'package:stackwallet/wallets/crypto_currency/bip39_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_currency.dart';
 import 'package:stackwallet/wallets/wallet/mixins/mnemonic_based_wallet.dart';
 import 'package:stackwallet/wallets/wallet/wallet.dart';
 
 abstract class Bip39Wallet<T extends Bip39Currency> extends Wallet<T>
     with MnemonicBasedWallet {
-  Bip39Wallet(super.cryptoCurrency);
+  Bip39Wallet(T currency) : super(currency);
 
   // ========== Private ========================================================
 

lib/wallets/wallet/intermediate/cryptonote_wallet.dart

@@ -1,21 +1,11 @@
-import 'package:stackwallet/exceptions/sw_exception.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/cryptonote_currency.dart';
 import 'package:stackwallet/wallets/models/tx_data.dart';
+import 'package:stackwallet/wallets/wallet/mixins/mnemonic_based_wallet.dart';
 import 'package:stackwallet/wallets/wallet/wallet.dart';
 
-abstract class CryptonoteWallet extends Wallet {
+abstract class CryptonoteWallet<T extends CryptonoteCurrency> extends Wallet<T>
-  CryptonoteWallet(super.cryptoCurrency);
+    with MnemonicBasedWallet<T> {
-
+  CryptonoteWallet(T currency) : super(currency);
-  Future<String> getMnemonic() async {
-    final mnemonic = await secureStorageInterface.read(
-      key: Wallet.mnemonicKey(walletId: info.walletId),
-    );
-
-    if (mnemonic == null) {
-      throw SWException("mnemonic has not been set");
-    }
-
-    return mnemonic;
-  }
 
   // ========== Overrides ======================================================
 

lib/wallets/wallet/mixins/mnemonic_based_wallet.dart

@@ -1,8 +1,7 @@
 import 'package:stackwallet/exceptions/sw_exception.dart';
+import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
 import 'package:stackwallet/wallets/wallet/wallet.dart';
 
-import '../../crypto_currency/crypto_currency.dart';
-
 mixin MnemonicBasedWallet<T extends CryptoCurrency> on Wallet<T> {
   Future<String> getMnemonic() async {
     final mnemonic = await secureStorageInterface.read(