Merge branch 'main' of https://github.com/cake-tech/cake_wallet into CW-225-pin-timeout

lib/bitcoin/cw_bitcoin.dart

@@ -51,6 +51,10 @@ class CWBitcoin extends Bitcoin {
 	TransactionPriority deserializeBitcoinTransactionPriority(int raw)
 		=> BitcoinTransactionPriority.deserialize(raw: raw);
 
+	@override
+	TransactionPriority deserializeLitecoinTransactionPriority(int raw)
+		=> LitecoinTransactionPriority.deserialize(raw: raw);
+
 	@override
 	int getFeeRate(Object wallet, TransactionPriority priority) {
 		final bitcoinWallet = wallet as ElectrumWallet;

lib/core/backup_service.dart

@@ -214,6 +214,7 @@ class BackupService {
     final currentBitcoinElectrumSererId = data[PreferencesKey.currentBitcoinElectrumSererIdKey] as int?;
     final currentLanguageCode = data[PreferencesKey.currentLanguageCode] as String?;
     final displayActionListMode = data[PreferencesKey.displayActionListModeKey] as int?;
+    final fiatApiMode = data[PreferencesKey.currentFiatApiModeKey] as int?;
     final currentPinLength = data[PreferencesKey.currentPinLength] as int?;
     final currentTheme = data[PreferencesKey.currentTheme] as int?;
     final currentDefaultSettingsMigrationVersion = data[PreferencesKey.currentDefaultSettingsMigrationVersion] as int?;
@@ -266,6 +267,10 @@ class BackupService {
       await _sharedPreferences.setInt(PreferencesKey.displayActionListModeKey,
         displayActionListMode);
 
+    if (fiatApiMode != null)
+      await _sharedPreferences.setInt(PreferencesKey.currentFiatApiModeKey,
+          fiatApiMode);
+
     if (currentPinLength != null)
       await _sharedPreferences.setInt(PreferencesKey.currentPinLength,
         currentPinLength);
@@ -427,6 +432,8 @@ class BackupService {
           _sharedPreferences.getInt(PreferencesKey.bitcoinTransactionPriority),
       PreferencesKey.moneroTransactionPriority:
           _sharedPreferences.getInt(PreferencesKey.moneroTransactionPriority),
+      PreferencesKey.currentFiatApiModeKey:
+      _sharedPreferences.getInt(PreferencesKey.currentFiatApiModeKey),
     };
 
     return json.encode(preferences);

lib/di.dart

@@ -35,6 +35,7 @@ import 'package:cake_wallet/view_model/settings/display_settings_view_model.dart
 import 'package:cake_wallet/view_model/settings/other_settings_view_model.dart';
 import 'package:cake_wallet/view_model/settings/privacy_settings_view_model.dart';
 import 'package:cake_wallet/view_model/settings/security_settings_view_model.dart';
+import 'package:cake_wallet/view_model/advanced_privacy_settings_view_model.dart';
 import 'package:cw_core/unspent_coins_info.dart';
 import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cw_core/wallet_service.dart';
@@ -159,6 +160,7 @@ import 'package:cake_wallet/anypay/any_pay_payment_committed_info.dart';
 import 'package:cake_wallet/ionia/ionia_any_pay_payment_info.dart';
 import 'package:cake_wallet/src/screens/receive/fullscreen_qr_page.dart';
 import 'package:cake_wallet/core/wallet_loading_service.dart';
+import 'package:cw_core/crypto_currency.dart';
 
 final getIt = GetIt.instance;
 
@@ -349,7 +351,7 @@ Future setup(
               onAuthenticationFinished: onAuthFinished,
               closable: closable ?? false));
 
-  getIt.registerFactory(() => 
+  getIt.registerFactory(() =>
    BalancePage(dashboardViewModel: getIt.get<DashboardViewModel>(), settingsStore: getIt.get<SettingsStore>()));
 
   getIt.registerFactory<DashboardPage>(() => DashboardPage( balancePage: getIt.get<BalancePage>(), walletViewModel: getIt.get<DashboardViewModel>(), addressListViewModel: getIt.get<WalletAddressListViewModel>()));
@@ -471,12 +473,11 @@ Future setup(
       (ContactRecord? contact, _) =>
           ContactViewModel(_contactSource, contact: contact));
 
-  getIt.registerFactory(
-      () => ContactListViewModel(_contactSource, _walletInfoSource));
+  getIt.registerFactoryParam<ContactListViewModel, CryptoCurrency?, void>(
+      (CryptoCurrency? cur, _) => ContactListViewModel(_contactSource, _walletInfoSource, cur));
 
-  getIt.registerFactoryParam<ContactListPage, bool, void>(
-      (bool isEditable, _) => ContactListPage(getIt.get<ContactListViewModel>(),
-          isEditable: isEditable));
+  getIt.registerFactoryParam<ContactListPage, CryptoCurrency?, void>((CryptoCurrency? cur, _)
+      => ContactListPage(getIt.get<ContactListViewModel>(param1: cur)));
 
   getIt.registerFactoryParam<ContactPage, ContactRecord?, void>(
       (ContactRecord? contact, _) =>
@@ -498,8 +499,12 @@ Future setup(
 
   getIt.registerFactory(() => OtherSettingsPage(getIt.get<OtherSettingsViewModel>()));
 
-  getIt.registerFactory(() =>
-      NodeCreateOrEditViewModel(_nodeSource, getIt.get<AppStore>().wallet!));
+  getIt.registerFactoryParam<NodeCreateOrEditViewModel, WalletType?, void>(
+    (WalletType? type, _) => NodeCreateOrEditViewModel(
+        _nodeSource,
+        type ?? getIt.get<AppStore>().wallet!.type,
+        getIt.get<SettingsStore>(),
+    ));
 
   getIt.registerFactory(
       () => NodeCreateOrEditPage(getIt.get<NodeCreateOrEditViewModel>()));
@@ -698,7 +703,7 @@ Future setup(
 
   getIt.registerFactoryParam<FullscreenQRPage, String, bool>(
           (String qrData, bool isLight) => FullscreenQRPage(qrData: qrData, isLight: isLight,));
-  
+
   getIt.registerFactory(() => IoniaApi());
 
   getIt.registerFactory(() => AnyPayApi());
@@ -718,7 +723,7 @@ Future setup(
 
   getIt.registerFactoryParam<IoniaMerchPurchaseViewModel, double, IoniaMerchant>((double amount, merchant) {
     return IoniaMerchPurchaseViewModel(
-      ioniaAnyPayService: getIt.get<IoniaAnyPay>(), 
+      ioniaAnyPayService: getIt.get<IoniaAnyPay>(),
       amount: amount,
       ioniaMerchant: merchant,
       sendViewModel: getIt.get<SendViewModel>()
@@ -761,31 +766,31 @@ Future setup(
       ioniaService: getIt.get<IoniaService>(),
       giftCard: giftCard);
   });
- 
+
  getIt.registerFactoryParam<IoniaCustomTipViewModel, List, void>((List args, _) {
      final amount = args[0] as double;
      final merchant = args[1] as IoniaMerchant;
      final tip = args[2] as IoniaTip;
-     
+
      return IoniaCustomTipViewModel(amount: amount, tip: tip, ioniaMerchant: merchant);
   });
-  
+
   getIt.registerFactoryParam<IoniaGiftCardDetailPage, IoniaGiftCard, void>((IoniaGiftCard giftCard, _) {
      return IoniaGiftCardDetailPage(getIt.get<IoniaGiftCardDetailsViewModel>(param1: giftCard));
   });
 
   getIt.registerFactoryParam<IoniaMoreOptionsPage, List, void>((List args, _){
     final giftCard = args.first as IoniaGiftCard;
-  
-    return IoniaMoreOptionsPage(giftCard); 
+
+    return IoniaMoreOptionsPage(giftCard);
   });
 
   getIt.registerFactoryParam<IoniaCustomRedeemViewModel, IoniaGiftCard, void>((IoniaGiftCard giftCard, _) => IoniaCustomRedeemViewModel(giftCard));
 
   getIt.registerFactoryParam<IoniaCustomRedeemPage, List, void>((List args, _){
     final giftCard = args.first as IoniaGiftCard;
-  
-    return IoniaCustomRedeemPage(getIt.get<IoniaCustomRedeemViewModel>(param1: giftCard) ); 
+
+    return IoniaCustomRedeemPage(getIt.get<IoniaCustomRedeemViewModel>(param1: giftCard) );
   });
 
 
@@ -814,5 +819,8 @@ Future setup(
     (IoniaAnyPayPaymentInfo paymentInfo, AnyPayPaymentCommittedInfo committedInfo)
       => IoniaPaymentStatusPage(getIt.get<IoniaPaymentStatusViewModel>(param1: paymentInfo, param2: committedInfo)));
 
+  getIt.registerFactoryParam<AdvancedPrivacySettingsViewModel, WalletType, void>((type, _) =>
+      AdvancedPrivacySettingsViewModel(type, getIt.get<SettingsStore>()));
+
   _isSetupFinished = true;
 }

lib/entities/fiat_api_mode.dart

@@ -0,0 +1,39 @@
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cw_core/enumerable_item.dart';
+
+class FiatApiMode extends EnumerableItem<int> with Serializable<int> {
+  const FiatApiMode({required String title, required int raw}) : super(title: title, raw: raw);
+
+  static const all = [FiatApiMode.enabled, FiatApiMode.torOnly, FiatApiMode.disabled];
+
+  static const enabled = FiatApiMode(raw: 0, title: 'Enabled');
+  static const torOnly = FiatApiMode(raw: 1, title: 'Tor only');
+  static const disabled = FiatApiMode(raw: 2, title: 'Disabled');
+
+  static FiatApiMode deserialize({required int raw}) {
+    switch (raw) {
+      case 0:
+        return enabled;
+      case 1:
+        return torOnly;
+      case 2:
+        return disabled;
+      default:
+        throw Exception('Unexpected token: $raw for FiatApiMode deserialize');
+    }
+  }
+
+  @override
+  String toString() {
+    switch (this) {
+      case FiatApiMode.enabled:
+        return S.current.enabled;
+      case FiatApiMode.torOnly:
+        return S.current.tor_only;
+      case FiatApiMode.disabled:
+        return S.current.disabled;
+      default:
+        return '';
+    }
+  }
+}

lib/entities/preferences_key.dart

@@ -9,6 +9,7 @@ class PreferencesKey {
   static const currentTransactionPriorityKeyLegacy = 'current_fee_priority';
   static const currentBalanceDisplayModeKey = 'current_balance_display_mode';
   static const shouldSaveRecipientAddressKey = 'save_recipient_address';
+  static const currentFiatApiModeKey = 'current_fiat_api_mode';
   static const allowBiometricalAuthenticationKey =
       'allow_biometrical_authentication';
   static const disableExchangeKey = 'disable_exchange';
@@ -21,6 +22,8 @@ class PreferencesKey {
       'current_default_settings_migration_version';
   static const moneroTransactionPriority = 'current_fee_priority_monero';
   static const bitcoinTransactionPriority = 'current_fee_priority_bitcoin';
+  static const havenTransactionPriority = 'current_fee_priority_haven';
+  static const litecoinTransactionPriority = 'current_fee_priority_litecoin';
   static const shouldShowReceiveWarning = 'should_show_receive_warning';
   static const shouldShowYatPopup = 'should_show_yat_popup';
   static const moneroWalletPasswordUpdateV1Base = 'monero_wallet_update_v1';

lib/exchange/changenow/changenow_exchange_provider.dart

@@ -11,7 +11,6 @@ import 'package:cake_wallet/exchange/trade_request.dart';
 import 'package:cake_wallet/exchange/trade_state.dart';
 import 'package:cake_wallet/exchange/changenow/changenow_request.dart';
 import 'package:cake_wallet/exchange/exchange_provider_description.dart';
-import 'package:cake_wallet/exchange/trade_not_created_exeption.dart';
 
 class ChangeNowExchangeProvider extends ExchangeProvider {
   ChangeNowExchangeProvider()
@@ -21,8 +20,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
                 .where((i) => i != CryptoCurrency.xhv)
                 .map((i) => CryptoCurrency.all
                     .where((i) => i != CryptoCurrency.xhv)
-                    .map((k) => ExchangePair(from: i, to: k, reverse: true))
-                    .where((c) => c != null))
+                    .map((k) => ExchangePair(from: i, to: k, reverse: true)))
                 .expand((i) => i)
                 .toList());
 
@@ -43,6 +41,9 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
   @override
   bool get isEnabled => true;
 
+  @override
+  bool get supportsFixedRate => true;
+
   @override
   ExchangeProviderDescription get description =>
       ExchangeProviderDescription.changeNow;
@@ -96,19 +97,30 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
       apiHeaderKey: apiKey,
       'Content-Type': 'application/json'};
     final flow = getFlow(isFixedRateMode);
+    final type = isFixedRateMode ? 'reverse' : 'direct';
     final body = <String, String>{
       'fromCurrency': normalizeCryptoCurrency(_request.from),
       'toCurrency': normalizeCryptoCurrency(_request.to),
       'fromNetwork': networkFor(_request.from),
       'toNetwork': networkFor(_request.to),
-      'fromAmount': _request.fromAmount,
-      'toAmount': _request.toAmount,
+      if (!isFixedRateMode) 'fromAmount': _request.fromAmount,
+      if (isFixedRateMode) 'toAmount': _request.toAmount,
       'address': _request.address,
       'flow': flow,
+      'type': type,
       'refundAddress': _request.refundAddress
     };
 
     if (isFixedRateMode) {
+      // since we schedule to calculate the rate every 5 seconds we need to ensure that
+      // we have the latest rate id with the given inputs before creating the trade
+      await fetchRate(
+        from: _request.from,
+        to: _request.to,
+        amount: double.tryParse(_request.toAmount) ?? 0,
+        isFixedRateMode: true,
+        isReceiveAmount: true,
+      );
       body['rateId'] = _lastUsedRateId;
     }
 
@@ -141,7 +153,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
         refundAddress: refundAddress,
         extraId: extraId,
         createdAt: DateTime.now(),
-        amount: _request.fromAmount,
+        amount: responseJSON['fromAmount']?.toString() ?? _request.fromAmount,
         state: TradeState.created);
   }
 
@@ -180,9 +192,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
     final extraId = responseJSON['payinExtraId'] as String;
     final outputTransaction = responseJSON['payoutHash'] as String;
     final expiredAtRaw = responseJSON['validUntil'] as String;
-    final expiredAt = expiredAtRaw != null
-        ? DateTime.parse(expiredAtRaw).toLocal()
-        : null;
+    final expiredAt = DateTime.tryParse(expiredAtRaw)?.toLocal();
 
     return Trade(
         id: id,
@@ -198,7 +208,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
   }
 
   @override
-  Future<double> calculateAmount(
+  Future<double> fetchRate(
       {required CryptoCurrency from,
       required CryptoCurrency to,
       required double amount,
@@ -214,10 +224,10 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
       final type = isReverse ? 'reverse' : 'direct';
       final flow = getFlow(isFixedRateMode);
       final params = <String, String>{
-        'fromCurrency': isReverse ? normalizeCryptoCurrency(to) : normalizeCryptoCurrency(from),
-        'toCurrency': isReverse ? normalizeCryptoCurrency(from) : normalizeCryptoCurrency(to),
-        'fromNetwork': isReverse ? networkFor(to) : networkFor(from),
-        'toNetwork': isReverse ? networkFor(from) : networkFor(to),
+        'fromCurrency': normalizeCryptoCurrency(from),
+        'toCurrency': normalizeCryptoCurrency(to),
+        'fromNetwork': networkFor(from),
+        'toNetwork': networkFor(to),
         'type': type,
         'flow': flow};
 
@@ -238,7 +248,7 @@ class ChangeNowExchangeProvider extends ExchangeProvider {
         _lastUsedRateId = rateId;
       }
 
-      return isReverse ? fromAmount : toAmount;
+      return isReverse ? (amount / fromAmount) : (toAmount / amount);
     } catch(e) {
       print(e.toString());
       return 0.0;

lib/exchange/exchange_provider.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/foundation.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cake_wallet/exchange/trade_request.dart';
 import 'package:cake_wallet/exchange/exchange_pair.dart';
@@ -14,6 +13,7 @@ abstract class ExchangeProvider {
   ExchangeProviderDescription get description;
   bool get isAvailable;
   bool get isEnabled;
+  bool get supportsFixedRate;
 
   @override
   String toString() => title;
@@ -26,7 +26,7 @@ abstract class ExchangeProvider {
     required TradeRequest request,
     required bool isFixedRateMode});
   Future<Trade> findTradeById({required String id});
-  Future<double> calculateAmount({
+  Future<double> fetchRate({
     required CryptoCurrency from,
     required CryptoCurrency to,
     required double amount,

lib/exchange/morphtoken/morphtoken_exchange_provider.dart

@@ -66,6 +66,9 @@ class MorphTokenExchangeProvider extends ExchangeProvider {
   @override
   bool get isEnabled => true;
 
+  @override
+  bool get supportsFixedRate => false;
+
   @override
   ExchangeProviderDescription get description =>
       ExchangeProviderDescription.morphToken;
@@ -200,7 +203,7 @@ class MorphTokenExchangeProvider extends ExchangeProvider {
   }
 
   @override
-  Future<double> calculateAmount(
+  Future<double> fetchRate(
       {required CryptoCurrency from,
       required CryptoCurrency to,
       required double amount,

lib/exchange/sideshift/sideshift_exchange_provider.dart

@@ -12,7 +12,6 @@ import 'package:cw_core/crypto_currency.dart';
 import 'package:cake_wallet/exchange/trade_request.dart';
 import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/exchange/limits.dart';
-import 'package:flutter/foundation.dart';
 import 'package:http/http.dart';
 
 class SideShiftExchangeProvider extends ExchangeProvider {
@@ -48,8 +47,7 @@ class SideShiftExchangeProvider extends ExchangeProvider {
 
     return supportedCurrencies
         .map((i) => supportedCurrencies
-            .map((k) => ExchangePair(from: i, to: k, reverse: true))
-            .where((c) => c != null))
+            .map((k) => ExchangePair(from: i, to: k, reverse: true)))
         .expand((i) => i)
         .toList();
   }
@@ -59,7 +57,7 @@ class SideShiftExchangeProvider extends ExchangeProvider {
       ExchangeProviderDescription.sideShift;
 
   @override
-  Future<double> calculateAmount(
+  Future<double> fetchRate(
       {required CryptoCurrency from,
       required CryptoCurrency to,
       required double amount,
@@ -81,9 +79,7 @@ class SideShiftExchangeProvider extends ExchangeProvider {
 
       if (amount > max) return 0.00;
 
-      final estimatedAmount = rate * amount;
-
-      return estimatedAmount;
+      return rate;
     } catch (_) {
       return 0.00;
     }
@@ -249,15 +245,15 @@ class SideShiftExchangeProvider extends ExchangeProvider {
     final expectedSendAmount = responseJSON['depositAmount'].toString();
     final deposits = responseJSON['deposits'] as List?;
     TradeState? state;
+    String? status;
 
-    if (deposits != null && deposits.isNotEmpty) {
-      final status = deposits[0]['status'] as String;
-      state = TradeState.deserialize(raw: status);
+    if (deposits?.isNotEmpty ?? false) {
+      status = deposits![0]['status'] as String?;
     }
+    state = TradeState.deserialize(raw: status ?? 'created');
 
     final expiredAtRaw = responseJSON['expiresAtISO'] as String;
-    final expiredAt =
-        expiredAtRaw != null ? DateTime.parse(expiredAtRaw).toLocal() : null;
+    final expiredAt = DateTime.tryParse(expiredAtRaw)?.toLocal();
 
     return Trade(
       id: id,
@@ -277,6 +273,9 @@ class SideShiftExchangeProvider extends ExchangeProvider {
   @override
   bool get isEnabled => true;
 
+  @override
+  bool get supportsFixedRate => true;
+
   @override
   String get title => 'SideShift';
 

lib/exchange/simpleswap/simpleswap_exchange_provider.dart

@@ -20,8 +20,7 @@ class SimpleSwapExchangeProvider extends ExchangeProvider {
                 .where((i) => i != CryptoCurrency.zaddr)
                 .map((i) => CryptoCurrency.all
                     .where((i) => i != CryptoCurrency.zaddr)
-                    .map((k) => ExchangePair(from: i, to: k, reverse: true))
-                    .where((c) => c != null))
+                    .map((k) => ExchangePair(from: i, to: k, reverse: true)))
                 .expand((i) => i)
                 .toList());
 
@@ -37,7 +36,7 @@ class SimpleSwapExchangeProvider extends ExchangeProvider {
       ExchangeProviderDescription.simpleSwap;
 
   @override
-  Future<double> calculateAmount(
+  Future<double> fetchRate(
       {required CryptoCurrency from,
       required CryptoCurrency to,
       required double amount,
@@ -59,9 +58,9 @@ class SimpleSwapExchangeProvider extends ExchangeProvider {
       final uri = Uri.https(apiAuthority, getEstimatePath, params);
       final response = await get(uri);
 
-      if (response.body == null || response.body == "null") return 0.00;
+      if (response.body == "null") return 0.00;
       final data = json.decode(response.body) as String;
-      return double.parse(data);
+      return double.parse(data) / amount;
     } catch (_) {
       return 0.00;
     }
@@ -210,6 +209,9 @@ class SimpleSwapExchangeProvider extends ExchangeProvider {
   @override
   bool get isEnabled => true;
 
+  @override
+  bool get supportsFixedRate => false;
+
   @override
   String get title => 'SimpleSwap';
 

lib/exchange/xmrto/xmrto_exchange_provider.dart

@@ -48,6 +48,9 @@ class XMRTOExchangeProvider extends ExchangeProvider {
   @override
   bool get isEnabled => true;
 
+  @override
+  bool get supportsFixedRate => false;
+
   @override
   ExchangeProviderDescription get description =>
       ExchangeProviderDescription.xmrto;
@@ -191,7 +194,7 @@ class XMRTOExchangeProvider extends ExchangeProvider {
   }
 
   @override
-  Future<double> calculateAmount(
+  Future<double> fetchRate(
       {required CryptoCurrency from,
       required CryptoCurrency to,
       required double amount,

lib/main.dart

@@ -261,7 +261,7 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
       final statusBarColor = Colors.transparent;
       final authenticationStore = getIt.get<AuthenticationStore>();
       final initialRoute =
-      authenticationStore.state == AuthenticationState.denied
+      authenticationStore.state == AuthenticationState.uninitialized
           ? Routes.disclaimer
           : Routes.login;
       final currentTheme = settingsStore.currentTheme;

lib/reactions/bootstrap.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'package:cake_wallet/reactions/fiat_rate_update.dart';
 import 'package:cake_wallet/reactions/on_current_node_change.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/widgets.dart';
@@ -22,13 +23,14 @@ Future<void> bootstrap(GlobalKey<NavigatorState> navigatorKey) async {
   final currentWalletName = getIt
       .get<SharedPreferences>()
       .getString(PreferencesKey.currentWalletName);
-  authenticationStore.state = currentWalletName == null
-      ? AuthenticationState.denied
-      : AuthenticationState.installed;
+  if (currentWalletName != null) {
+    authenticationStore.state = AuthenticationState.installed;
+  }
 
   startAuthenticationStateChange(authenticationStore, navigatorKey);
   startCurrentWalletChangeReaction(
       appStore, settingsStore, fiatConversionStore);
   startCurrentFiatChangeReaction(appStore, settingsStore, fiatConversionStore);
   startOnCurrentNodeChangeReaction(appStore);
+  startFiatRateUpdate(appStore, settingsStore, fiatConversionStore);
 }

lib/reactions/fiat_rate_update.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'package:cake_wallet/core/fiat_conversion_service.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/update_haven_rate.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
@@ -8,30 +9,27 @@ import 'package:cw_core/wallet_type.dart';
 
 Timer? _timer;
 
-Future<void> startFiatRateUpdate(AppStore appStore, SettingsStore settingsStore,
-    FiatConversionStore fiatConversionStore) async {
+Future<void> startFiatRateUpdate(
+    AppStore appStore, SettingsStore settingsStore, FiatConversionStore fiatConversionStore) async {
   if (_timer != null) {
     return;
   }
 
-  if (appStore.wallet != null) {
-    fiatConversionStore.prices[appStore.wallet!.currency] =
-      await FiatConversionService.fetchPrice(
-          appStore.wallet!.currency, settingsStore.fiatCurrency);
-  }
+  _timer = Timer.periodic(Duration(seconds: 30), (_) async {
+    try {
+      if (appStore.wallet == null || settingsStore.fiatApiMode == FiatApiMode.disabled) {
+        return;
+      }
 
-  _timer = Timer.periodic(
-      Duration(seconds: 30),
-      (_) async {
-        try {
-          if (appStore.wallet!.type == WalletType.haven) {
-            await updateHavenRate(fiatConversionStore);
-          } else {
-            fiatConversionStore.prices[appStore.wallet!.currency] = await FiatConversionService.fetchPrice(
-              appStore.wallet!.currency, settingsStore.fiatCurrency);
-          }
-        } catch(e) {
-          print(e);
-        }
-      });
+      if (appStore.wallet!.type == WalletType.haven) {
+        await updateHavenRate(fiatConversionStore);
+      } else {
+        fiatConversionStore.prices[appStore.wallet!.currency] =
+            await FiatConversionService.fetchPrice(
+                appStore.wallet!.currency, settingsStore.fiatCurrency);
+      }
+    } catch (e) {
+      print(e);
+    }
+  });
 }

lib/reactions/on_authentication_state_change.dart

@@ -26,10 +26,5 @@ void startAuthenticationStateChange(AuthenticationStore authenticationStore,
       await navigatorKey.currentState!.pushNamedAndRemoveUntil(Routes.dashboard, (route) => false);
       return;
     }
-
-    if (state == AuthenticationState.denied) {
-      await navigatorKey.currentState!.pushNamedAndRemoveUntil(Routes.welcome, (_) => false);
-      return;
-    }
   });
 }

lib/reactions/on_current_fiat_change.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/core/fiat_conversion_service.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
@@ -12,7 +13,7 @@ void startCurrentFiatChangeReaction(AppStore appStore,
   _onCurrentFiatCurrencyChangeDisposer?.reaction.dispose();
   _onCurrentFiatCurrencyChangeDisposer = reaction(
       (_) => settingsStore.fiatCurrency, (FiatCurrency fiatCurrency) async {
-    if (appStore.wallet == null) {
+    if (appStore.wallet == null || settingsStore.fiatApiMode == FiatApiMode.disabled) {
       return;
     }
 

lib/reactions/on_current_wallet_change.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/entities/update_haven_rate.dart';
 import 'package:cw_core/transaction_history.dart';
@@ -87,7 +88,7 @@ void startCurrentWalletChangeReaction(AppStore appStore,
               TransactionHistoryBase<TransactionInfo>, TransactionInfo>?
           wallet) async {
     try {
-      if (wallet == null) {
+      if (wallet == null || settingsStore.fiatApiMode == FiatApiMode.disabled) {
         return;
       }
 

lib/router.dart

@@ -15,6 +15,7 @@ import 'package:cake_wallet/src/screens/ionia/cards/ionia_custom_redeem_page.dar
 import 'package:cake_wallet/src/screens/ionia/cards/ionia_custom_tip_page.dart';
 import 'package:cake_wallet/src/screens/ionia/cards/ionia_gift_card_detail_page.dart';
 import 'package:cake_wallet/src/screens/ionia/cards/ionia_more_options_page.dart';
+import 'package:cake_wallet/src/screens/new_wallet/advanced_privacy_settings_page.dart';
 import 'package:cake_wallet/src/screens/order_details/order_details_page.dart';
 import 'package:cake_wallet/src/screens/pin_code/pin_code_widget.dart';
 import 'package:cake_wallet/src/screens/restore/restore_from_backup_page.dart';
@@ -25,6 +26,8 @@ import 'package:cake_wallet/src/screens/support/support_page.dart';
 import 'package:cake_wallet/src/screens/unspent_coins/unspent_coins_details_page.dart';
 import 'package:cake_wallet/src/screens/unspent_coins/unspent_coins_list_page.dart';
 import 'package:cake_wallet/view_model/monero_account_list/account_list_item.dart';
+import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
+import 'package:cake_wallet/view_model/advanced_privacy_settings_view_model.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/routes.dart';
@@ -77,6 +80,7 @@ import 'package:cake_wallet/src/screens/ionia/ionia.dart';
 import 'package:cake_wallet/src/screens/ionia/cards/ionia_payment_status_page.dart';
 import 'package:cake_wallet/anypay/any_pay_payment_committed_info.dart';
 import 'package:cake_wallet/ionia/ionia_any_pay_payment_info.dart';
+import 'package:cw_core/crypto_currency.dart';
 
 late RouteSettings currentRouteSettings;
 
@@ -317,11 +321,13 @@ Route<dynamic> createRoute(RouteSettings settings) {
 
     case Routes.addressBook:
       return MaterialPageRoute<void>(
-          builder: (_) => getIt.get<ContactListPage>(param1: true));
+          builder: (_) =>
+              getIt.get<ContactListPage>());
 
     case Routes.pickerAddressBook:
+      final selectedCurrency = settings.arguments as CryptoCurrency;
       return MaterialPageRoute<void>(
-          builder: (_) => getIt.get<ContactListPage>(param1: false));
+          builder: (_) => getIt.get<ContactListPage>(param1: selectedCurrency));
 
     case Routes.addressBookAddContact:
       return CupertinoPageRoute<void>(
@@ -491,6 +497,15 @@ Route<dynamic> createRoute(RouteSettings settings) {
     case Routes.onramperPage:
       return CupertinoPageRoute<void>(builder: (_) => getIt.get<OnRamperPage>());
 
+    case Routes.advancedPrivacySettings:
+      final type = settings.arguments as WalletType;
+
+      return CupertinoPageRoute<void>(
+          builder: (_) => AdvancedPrivacySettingsPage(
+            getIt.get<AdvancedPrivacySettingsViewModel>(param1: type),
+            getIt.get<NodeCreateOrEditViewModel>(param1: type),
+          ));
+
     default:
       return MaterialPageRoute<void>(
           builder: (_) => Scaffold(

lib/routes.dart

@@ -81,4 +81,5 @@ class Routes {
   static const privacyPage = '/privacy_page';
   static const displaySettingsPage = '/display_settings_page';
   static const otherSettingsPage = '/other_settings_page';
+  static const advancedPrivacySettings = '/advanced_privacy_settings';
 }

lib/src/screens/contact/contact_list_page.dart

@@ -9,24 +9,22 @@ import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:flutter_slidable/flutter_slidable.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
-import 'package:cw_core/crypto_currency.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/view_model/contact_list/contact_list_view_model.dart';
 import 'package:cake_wallet/src/widgets/collapsible_standart_list.dart';
 
 class ContactListPage extends BasePage {
-  ContactListPage(this.contactListViewModel, {this.isEditable = true});
+  ContactListPage(this.contactListViewModel);
 
   final ContactListViewModel contactListViewModel;
-  final bool isEditable;
 
   @override
   String get title => S.current.address_book;
 
   @override
   Widget? trailing(BuildContext context) {
-    if (!isEditable) {
+    if (!contactListViewModel.isEditable) {
       return null;
     }
 
@@ -60,11 +58,14 @@ class ContactListPage extends BasePage {
 
   @override
   Widget body(BuildContext context) {
+
     return Container(
         padding: EdgeInsets.only(top: 20.0, bottom: 20.0),
         child: Observer(
-          builder: (_) {
-            return CollapsibleSectionList(
+        builder: (_) {
+          final contacts = contactListViewModel.contactsToShow;
+          final walletContacts = contactListViewModel.walletContactsToShow;
+          return CollapsibleSectionList(
               context: context,
               sectionCount: 2,
               themeColor: Theme.of(context).primaryTextTheme.headline6!.color!,
@@ -82,35 +83,37 @@ class ContactListPage extends BasePage {
                     child: Text(title, style: TextStyle(fontSize: 36)));
               },
               itemCounter: (int sectionIndex) => sectionIndex == 0
-                  ? contactListViewModel.walletContacts.length
-                  : contactListViewModel.contacts.length,
+                  ? walletContacts.length
+                  : contacts.length,
               itemBuilder: (_, sectionIndex, index) {
                 if (sectionIndex == 0) {
-                  final walletInfo = contactListViewModel.walletContacts[index];
+                  final walletInfo = walletContacts[index];
                   return generateRaw(context, walletInfo);
                 }
 
-                final contact = contactListViewModel.contacts[index];
+                final contact = contacts[index];
                 final content = generateRaw(context, contact);
-                return !isEditable
-                    ? content
-                    : Slidable(
+                return contactListViewModel.isEditable
+                    ? Slidable(
                         key: Key('${contact.key}'),
                         endActionPane: _actionPane(context, contact),
                         child: content,
-                      );
+                      )
+                    : content;
               },
-            );
-          },
-        ));
+            );})
+       );
   }
 
   Widget generateRaw(BuildContext context, ContactBase contact) {
-    final image = _getCurrencyImage(contact.type);
+    final image = contact.type.iconPath;
+    final currencyIcon = image != null ? Image.asset(image, height: 24, width: 24)
+        : const SizedBox(height: 24, width: 24);
+
 
     return GestureDetector(
       onTap: () async {
-        if (!isEditable) {
+        if (!contactListViewModel.isEditable) {
           Navigator.of(context).pop(contact);
           return;
         }
@@ -131,12 +134,10 @@ class ContactListPage extends BasePage {
           mainAxisSize: MainAxisSize.min,
           mainAxisAlignment: MainAxisAlignment.start,
           children: <Widget>[
-            image ?? Offstage(),
+            currencyIcon,
             Expanded(
               child: Padding(
-                padding: image != null
-                    ? EdgeInsets.only(left: 12)
-                    : EdgeInsets.only(left: 0),
+                padding: EdgeInsets.only(left: 12),
                 child: Text(
                   contact.name,
                   style: TextStyle(
@@ -152,69 +153,6 @@ class ContactListPage extends BasePage {
     );
   }
 
-  Image? _getCurrencyImage(CryptoCurrency currency) {
-    Image? image;
-
-    switch (currency) {
-      case CryptoCurrency.xmr:
-        image =
-            Image.asset('assets/images/monero_logo.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.ada:
-        image = Image.asset('assets/images/ada.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.bch:
-        image = Image.asset('assets/images/bch.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.bnb:
-        image = Image.asset('assets/images/bnb.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.btc:
-        image = Image.asset('assets/images/bitcoin.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.dai:
-        image = Image.asset('assets/images/dai.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.dash:
-        image = Image.asset('assets/images/dash.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.eos:
-        image = Image.asset('assets/images/eos.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.eth:
-        image = Image.asset('assets/images/eth.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.ltc:
-        image =
-            Image.asset('assets/images/litecoin.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.nano:
-        image = Image.asset('assets/images/nano.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.trx:
-        image = Image.asset('assets/images/trx.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.usdt:
-        image = Image.asset('assets/images/usdt.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.usdterc20:
-        image = Image.asset('assets/images/usdterc.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.xlm:
-        image = Image.asset('assets/images/xlm.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.xrp:
-        image = Image.asset('assets/images/xrp.png', height: 24, width: 24);
-        break;
-      case CryptoCurrency.xhv:
-        image = Image.asset('assets/images/haven_logo.png', height: 24, width: 24);
-        break;
-      default:
-        image = null;
-    }
-    return image;
-  }
-
   Future<bool> showAlertDialog(BuildContext context) async {
     return await showPopUp<bool>(
         context: context,

lib/src/screens/dashboard/widgets/transactions_page.dart

@@ -57,7 +57,9 @@ class TransactionsPage extends StatelessWidget {
                               formattedDate: DateFormat('HH:mm')
                                   .format(transaction.date),
                               formattedAmount: item.formattedCryptoAmount,
-                              formattedFiatAmount: item.formattedFiatAmount,
+                              formattedFiatAmount:
+                              dashboardViewModel.balanceViewModel.isFiatDisabled
+                                  ? '' : item.formattedFiatAmount,
                               isPending: transaction.isPending));
                         }
 

lib/src/screens/exchange/widgets/exchange_card.dart

@@ -395,7 +395,8 @@ class ExchangeCardState extends State<ExchangeCard> {
                     buttonColor: widget.addressButtonsColor,
                     validator: widget.addressTextFieldValidator,
                     onPushPasteButton: widget.onPushPasteButton,
-                    onPushAddressBookButton: widget.onPushAddressBookButton
+                    onPushAddressBookButton: widget.onPushAddressBookButton,
+                    selectedCurrency: _selectedCurrency
                 ),
 
               )

lib/src/screens/exchange_trade/exchange_trade_page.dart

@@ -378,12 +378,10 @@ class ExchangeTradeState extends State<ExchangeTradeForm> {
                           });
                     },
                     actionLeftButton: () => Navigator.of(context).pop(),
-                    feeFiatAmount: widget.exchangeTradeViewModel.sendViewModel.pendingTransactionFeeFiatAmount
-                        +  ' ' + widget.exchangeTradeViewModel.sendViewModel.fiat.title,
-                    fiatAmountValue: widget.exchangeTradeViewModel.sendViewModel
-                            .pendingTransactionFiatAmount +
-                        ' ' +
-                        widget.exchangeTradeViewModel.sendViewModel.fiat.title,
+                    feeFiatAmount: widget.exchangeTradeViewModel
+                        .pendingTransactionFeeFiatAmountFormatted,
+                    fiatAmountValue: widget.exchangeTradeViewModel
+                        .pendingTransactionFiatAmountValueFormatted,
                     outputs: widget.exchangeTradeViewModel.sendViewModel
                                  .outputs);
               });

lib/src/screens/new_wallet/advanced_privacy_settings_page.dart

@@ -0,0 +1,111 @@
+import 'package:cake_wallet/src/screens/nodes/widgets/node_form.dart';
+import 'package:cake_wallet/src/screens/settings/widgets/settings_switcher_cell.dart';
+import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
+import 'package:cake_wallet/view_model/advanced_privacy_settings_view_model.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:flutter/material.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/src/widgets/primary_button.dart';
+import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
+
+class AdvancedPrivacySettingsPage extends BasePage {
+  AdvancedPrivacySettingsPage(this.advancedPrivacySettingsViewModel, this.nodeViewModel);
+
+  final AdvancedPrivacySettingsViewModel advancedPrivacySettingsViewModel;
+  final NodeCreateOrEditViewModel nodeViewModel;
+
+  @override
+  String get title => S.current.privacy_settings;
+
+  @override
+  Widget body(BuildContext context) =>
+      AdvancedPrivacySettingsBody(advancedPrivacySettingsViewModel, nodeViewModel);
+}
+
+class AdvancedPrivacySettingsBody extends StatefulWidget {
+  const AdvancedPrivacySettingsBody(this.privacySettingsViewModel, this.nodeViewModel, {Key? key})
+      : super(key: key);
+
+  final AdvancedPrivacySettingsViewModel privacySettingsViewModel;
+  final NodeCreateOrEditViewModel nodeViewModel;
+
+  @override
+  _AdvancedPrivacySettingsBodyState createState() => _AdvancedPrivacySettingsBodyState();
+}
+
+class _AdvancedPrivacySettingsBodyState extends State<AdvancedPrivacySettingsBody> {
+  _AdvancedPrivacySettingsBodyState();
+
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: EdgeInsets.only(top: 24),
+      child: ScrollableWithBottomSection(
+        contentPadding: EdgeInsets.only(bottom: 24),
+        content: Column(
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            ...widget.privacySettingsViewModel.settings.map(
+              (item) => Observer(
+                builder: (_) => SettingsSwitcherCell(
+                  title: item.title,
+                  value: item.value(),
+                  onValueChange: item.onValueChange,
+                ),
+              ),
+            ),
+            Observer(
+              builder: (_) {
+                if (widget.privacySettingsViewModel.addCustomNode) {
+                  return Padding(
+                    padding: EdgeInsets.only(left: 24, right: 24, top: 24),
+                    child: NodeForm(
+                      formKey: _formKey,
+                      nodeViewModel: widget.nodeViewModel,
+                    ),
+                  );
+                }
+                return const SizedBox();
+              },
+            ),
+          ],
+        ),
+        bottomSectionPadding: EdgeInsets.all(24),
+        bottomSection: Column(
+          children: [
+            LoadingPrimaryButton(
+              onPressed: () {
+                if (widget.privacySettingsViewModel.addCustomNode) {
+                  if (_formKey.currentState != null && !_formKey.currentState!.validate()) {
+                    return;
+                  }
+
+                  widget.nodeViewModel.save(saveAsCurrent: true);
+                }
+
+                Navigator.pop(context);
+              },
+              text: S.of(context).continue_text,
+              color: Theme.of(context).accentTextTheme.bodyText1!.color!,
+              textColor: Colors.white,
+            ),
+            const SizedBox(height: 25),
+            Padding(
+              padding: EdgeInsets.symmetric(horizontal: MediaQuery.of(context).size.width * 0.15),
+              child: Text(
+                S.of(context).settings_can_be_changed_later,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  color: Theme.of(context).accentTextTheme.headline2?.color,
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/src/screens/new_wallet/new_wallet_page.dart

@@ -200,18 +200,30 @@ class _WalletNameFormState extends State<WalletNameForm> {
             ]
           ]),
           bottomSectionPadding:
-              EdgeInsets.only(left: 24, right: 24, bottom: 24),
-          bottomSection: Observer(
-            builder: (context) {
-              return LoadingPrimaryButton(
-                onPressed: _confirmForm,
-                text: S.of(context).seed_language_next,
-                color: Colors.green,
-                textColor: Colors.white,
-                isLoading: _walletNewVM.state is IsExecutingState,
-                isDisabled: _walletNewVM.name.isEmpty,
-              );
-            },
+              EdgeInsets.all(24),
+          bottomSection: Column(
+            children: [
+              Observer(
+                builder: (context) {
+                  return LoadingPrimaryButton(
+                    onPressed: _confirmForm,
+                    text: S.of(context).seed_language_next,
+                    color: Colors.green,
+                    textColor: Colors.white,
+                    isLoading: _walletNewVM.state is IsExecutingState,
+                    isDisabled: _walletNewVM.name.isEmpty,
+                  );
+                },
+              ),
+              const SizedBox(height: 25),
+              GestureDetector(
+                onTap: () {
+                  Navigator.of(context)
+                      .pushNamed(Routes.advancedPrivacySettings, arguments: _walletNewVM.type);
+                },
+                child: Text(S.of(context).advanced_privacy_settings),
+              ),
+            ],
           )),
     );
   }

lib/src/screens/nodes/node_create_or_edit_page.dart

@@ -1,16 +1,13 @@
 import 'package:cake_wallet/core/execution_state.dart';
+import 'package:cake_wallet/src/screens/nodes/widgets/node_form.dart';
 import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
-import 'package:cake_wallet/src/widgets/standard_checkbox.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/generated/i18n.dart';
-import 'package:cake_wallet/core/node_address_validator.dart';
-import 'package:cake_wallet/core/node_port_validator.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
-import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
 import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
@@ -108,91 +105,10 @@ class NodeCreateOrEditPage extends BasePage {
         padding: EdgeInsets.only(left: 24, right: 24),
         child: ScrollableWithBottomSection(
           contentPadding: EdgeInsets.only(bottom: 24.0),
-          content: Form(
-              key: _formKey,
-              child: Column(
-                children: <Widget>[
-                  Row(
-                    children: <Widget>[
-                      Expanded(
-                        child: BaseTextFormField(
-                          controller: _addressController,
-                          hintText: S.of(context).node_address,
-                          validator: NodeAddressValidator(),
-                        )
-                      )
-                    ],
-                  ),
-                  SizedBox(height: 10.0),
-                  Row(
-                    children: <Widget>[
-                      Expanded(
-                        child: BaseTextFormField(
-                          controller: _portController,
-                          hintText: S.of(context).node_port,
-                          keyboardType: TextInputType.numberWithOptions(
-                              signed: false, decimal: false),
-                          validator: NodePortValidator(),
-                        )
-                      )
-                    ],
-                  ),
-                  SizedBox(height: 10.0),
-                  if (nodeCreateOrEditViewModel.hasAuthCredentials) ...[
-                    Row(
-                      children: <Widget>[
-                        Expanded(
-                          child: BaseTextFormField(
-                            controller: _loginController,
-                            hintText: S.of(context).login,
-                          )
-                        )
-                      ],
-                    ),
-                    SizedBox(height: 10.0),
-                    Row(
-                      children: <Widget>[
-                        Expanded(
-                          child: BaseTextFormField(
-                            controller: _passwordController,
-                            hintText: S.of(context).password,
-                          )
-                        )
-                      ],
-                    ),
-                    Padding(
-                      padding: EdgeInsets.only(top: 20),
-                      child: Row(
-                        mainAxisAlignment: MainAxisAlignment.start,
-                        mainAxisSize: MainAxisSize.max,
-                        children: [
-                          Observer(
-                              builder: (_) => StandardCheckbox(
-                                value: nodeCreateOrEditViewModel.useSSL,
-                                onChanged: (value) =>
-                                  nodeCreateOrEditViewModel.useSSL = value,
-                                caption: S.of(context).use_ssl,
-                              ))
-                        ],
-                      )),
-                    Padding(
-                      padding: EdgeInsets.only(top: 20),
-                      child: Row(
-                        mainAxisAlignment: MainAxisAlignment.start,
-                        mainAxisSize: MainAxisSize.max,
-                        children: [
-                          Observer(
-                              builder: (_) => StandardCheckbox(
-                                value: nodeCreateOrEditViewModel.trusted,
-                                onChanged: (value) =>
-                                  nodeCreateOrEditViewModel.trusted = value,
-                                caption: S.of(context).trusted,
-                              ))
-                        ],
-                      )),
-                  ]
-                ],
-              )),
+          content: NodeForm(
+            formKey: _formKey,
+            nodeViewModel: nodeCreateOrEditViewModel,
+          ),
           bottomSectionPadding: EdgeInsets.only(bottom: 24),
           bottomSection: Observer(
               builder: (_) => Row(

lib/src/screens/nodes/widgets/node_form.dart

@@ -0,0 +1,151 @@
+import 'package:cake_wallet/core/node_address_validator.dart';
+import 'package:cake_wallet/core/node_port_validator.dart';
+import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
+import 'package:cake_wallet/src/widgets/standard_checkbox.dart';
+import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:mobx/mobx.dart';
+
+class NodeForm extends StatelessWidget {
+  NodeForm({
+    required this.nodeViewModel,
+    required this.formKey,
+  })  : _addressController = TextEditingController(),
+        _portController = TextEditingController(),
+        _loginController = TextEditingController(),
+        _passwordController = TextEditingController() {
+    reaction((_) => nodeViewModel.address, (String address) {
+      if (address != _addressController.text) {
+        _addressController.text = address;
+      }
+    });
+
+    reaction((_) => nodeViewModel.port, (String port) {
+      if (port != _portController.text) {
+        _portController.text = port;
+      }
+    });
+
+    if (nodeViewModel.hasAuthCredentials) {
+      reaction((_) => nodeViewModel.login, (String login) {
+        if (login != _loginController.text) {
+          _loginController.text = login;
+        }
+      });
+
+      reaction((_) => nodeViewModel.password, (String password) {
+        if (password != _passwordController.text) {
+          _passwordController.text = password;
+        }
+      });
+    }
+
+    _addressController
+        .addListener(() => nodeViewModel.address = _addressController.text);
+    _portController
+        .addListener(() => nodeViewModel.port = _portController.text);
+    _loginController
+        .addListener(() => nodeViewModel.login = _loginController.text);
+    _passwordController
+        .addListener(() => nodeViewModel.password = _passwordController.text);
+  }
+
+  final NodeCreateOrEditViewModel nodeViewModel;
+  final GlobalKey<FormState> formKey;
+
+  final TextEditingController _addressController;
+  final TextEditingController _portController;
+  final TextEditingController _loginController;
+  final TextEditingController _passwordController;
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      key: formKey,
+      child: Column(
+        children: <Widget>[
+          Row(
+            children: <Widget>[
+              Expanded(
+                child: BaseTextFormField(
+                  controller: _addressController,
+                  hintText: S.of(context).node_address,
+                  validator: NodeAddressValidator(),
+                ),
+              )
+            ],
+          ),
+          SizedBox(height: 10.0),
+          Row(
+            children: <Widget>[
+              Expanded(
+                  child: BaseTextFormField(
+                controller: _portController,
+                hintText: S.of(context).node_port,
+                keyboardType: TextInputType.numberWithOptions(
+                    signed: false, decimal: false),
+                validator: NodePortValidator(),
+              ))
+            ],
+          ),
+          SizedBox(height: 10.0),
+          if (nodeViewModel.hasAuthCredentials) ...[
+            Row(
+              children: <Widget>[
+                Expanded(
+                    child: BaseTextFormField(
+                  controller: _loginController,
+                  hintText: S.of(context).login,
+                ))
+              ],
+            ),
+            SizedBox(height: 10.0),
+            Row(
+              children: <Widget>[
+                Expanded(
+                    child: BaseTextFormField(
+                  controller: _passwordController,
+                  hintText: S.of(context).password,
+                ))
+              ],
+            ),
+            Padding(
+              padding: EdgeInsets.only(top: 20),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.start,
+                mainAxisSize: MainAxisSize.max,
+                children: [
+                  Observer(
+                    builder: (_) => StandardCheckbox(
+                      value: nodeViewModel.useSSL,
+                      onChanged: (value) => nodeViewModel.useSSL = value,
+                      caption: S.of(context).use_ssl,
+                    ),
+                  )
+                ],
+              ),
+            ),
+            Padding(
+              padding: EdgeInsets.only(top: 20),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.start,
+                mainAxisSize: MainAxisSize.max,
+                children: [
+                  Observer(
+                    builder: (_) => StandardCheckbox(
+                      value: nodeViewModel.trusted,
+                      onChanged: (value) => nodeViewModel.trusted = value,
+                      caption: S.of(context).trusted,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ]
+        ],
+      ),
+    );
+  }
+}

lib/src/screens/send/send_page.dart

@@ -381,16 +381,10 @@ class SendPage extends BasePage {
                     amount: S.of(context).send_amount,
                     amountValue:
                         sendViewModel.pendingTransaction!.amountFormatted,
-                    fiatAmountValue:
-                        sendViewModel.pendingTransactionFiatAmount +
-                            ' ' +
-                            sendViewModel.fiat.title,
+                    fiatAmountValue: sendViewModel.pendingTransactionFiatAmountFormatted,
                     fee: S.of(context).send_fee,
                     feeValue: sendViewModel.pendingTransaction!.feeFormatted,
-                    feeFiatAmount:
-                        sendViewModel.pendingTransactionFeeFiatAmount +
-                            ' ' +
-                            sendViewModel.fiat.title,
+                    feeFiatAmount: sendViewModel.pendingTransactionFeeFiatAmountFormatted,
                     outputs: sendViewModel.outputs,
                     rightButtonText: S.of(context).ok,
                     leftButtonText: S.of(context).cancel,

lib/src/screens/send/widgets/send_card.dart

@@ -154,6 +154,7 @@ class SendCardState extends State<SendCard>
                           await output.fetchParsedAddress(context);
                         },
                         validator: validator,
+                        selectedCurrency: sendViewModel.currency,
                       );
                     }),
                     if (output.isParsedAddress) Padding(
@@ -331,7 +332,8 @@ class SendCardState extends State<SendCard>
                             ],
                           ),
                         )),
-                    Padding(
+                    if (!sendViewModel.isFiatDisabled)
+                      Padding(
                         padding: const EdgeInsets.only(top: 20),
                         child: BaseTextFormField(
                           focusNode: fiatAmountFocus,
@@ -437,8 +439,9 @@ class SendCardState extends State<SendCard>
                                           Padding(
                                               padding:
                                               EdgeInsets.only(top: 5),
-                                              child: Text(
-                                                  output
+                                              child: sendViewModel.isFiatDisabled
+                                                  ? const SizedBox(height: 14)
+                                                  : Text(output
                                                       .estimatedFeeFiatAmount
                                                       +  ' ' +
                                                       sendViewModel

lib/src/screens/settings/display_settings_page.dart

@@ -34,7 +34,8 @@ class DisplaySettingsPage extends BasePage {
             onValueChange: (_, bool value) {
                _displaySettingsViewModel.setShouldDisplayBalance(value);          
             }),
-            if (!isHaven)
+            //if (!isHaven) it does not work correctly
+            if(!_displaySettingsViewModel.disabledFiatApiMode)
               SettingsPickerCell<FiatCurrency>(
                 title: S.current.settings_currency,
                 searchHintText: S.current.search_currency,

lib/src/screens/settings/privacy_page.dart

@@ -18,10 +18,15 @@ class PrivacyPage extends BasePage {
     return Container(
       padding: EdgeInsets.only(top: 10),
       child: Observer(builder: (_) {
-        return Observer(builder: (_) {
           return Column(
             mainAxisSize: MainAxisSize.min,
             children: [
+              SettingsSwitcherCell(
+                title: S.current.disable_fiat,
+                value: _privacySettingsViewModel.isFiatDisabled,
+                onValueChange: (BuildContext context, bool value) {
+                  _privacySettingsViewModel.setFiatMode(value);
+                }),
               SettingsSwitcherCell(
                   title: S.current.disable_exchange,
                   value: _privacySettingsViewModel.disableExchange,
@@ -36,7 +41,6 @@ class PrivacyPage extends BasePage {
                   })
             ],
           );
-        });
       }),
     );
   }

lib/src/widgets/address_text_field.dart

@@ -4,6 +4,7 @@ import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/entities/qr_scanner.dart';
 import 'package:cake_wallet/entities/contact_base.dart';
+import 'package:cw_core/crypto_currency.dart';
 
 enum AddressTextFieldOption { paste, qrCode, addressBook }
 
@@ -26,7 +27,8 @@ class AddressTextField extends StatelessWidget {
       this.hintStyle,
       this.validator,
       this.onPushPasteButton,
-      this.onPushAddressBookButton});
+      this.onPushAddressBookButton,
+      this.selectedCurrency});
 
   static const prefixIconWidth = 34.0;
   static const prefixIconHeight = 34.0;
@@ -47,6 +49,7 @@ class AddressTextField extends StatelessWidget {
   final FocusNode? focusNode;
   final Function(BuildContext context)? onPushPasteButton;
   final Function(BuildContext context)? onPushAddressBookButton;
+  final CryptoCurrency? selectedCurrency;
 
   @override
   Widget build(BuildContext context) {
@@ -207,7 +210,7 @@ class AddressTextField extends StatelessWidget {
 
   Future<void> _presetAddressBookPicker(BuildContext context) async {
     final contact = await Navigator.of(context, rootNavigator: true)
-        .pushNamed(Routes.pickerAddressBook);
+        .pushNamed(Routes.pickerAddressBook,arguments: selectedCurrency);
 
     if (contact is ContactBase && contact.address != null) {
       controller?.text = contact.address;

lib/store/authentication_store.dart

@@ -4,7 +4,7 @@ part 'authentication_store.g.dart';
 
 class AuthenticationStore = AuthenticationStoreBase with _$AuthenticationStore;
 
-enum AuthenticationState { uninitialized, installed, allowed, denied }
+enum AuthenticationState { uninitialized, installed, allowed }
 
 abstract class AuthenticationStoreBase with Store {
   AuthenticationStoreBase() : state = AuthenticationState.uninitialized;
@@ -17,7 +17,4 @@ abstract class AuthenticationStoreBase with Store {
 
   @action
   void allowed() => state = AuthenticationState.allowed;
-
-  @action
-  void denied() => state = AuthenticationState.denied;
 }

lib/store/settings_store.dart

@@ -17,6 +17,9 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cw_core/node.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/entities/action_list_display_mode.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+
 
 part 'settings_store.g.dart';
 
@@ -28,6 +31,7 @@ abstract class SettingsStoreBase with Store {
       required FiatCurrency initialFiatCurrency,
       required BalanceDisplayMode initialBalanceDisplayMode,
       required bool initialSaveRecipientAddress,
+      required FiatApiMode initialFiatMode,
       required bool initialAllowBiometricalAuthentication,
       required bool initialExchangeEnabled,
       required ThemeBase initialTheme,
@@ -41,12 +45,15 @@ abstract class SettingsStoreBase with Store {
       required this.actionlistDisplayMode,
       required this.pinTimeOutDuration,
       TransactionPriority? initialBitcoinTransactionPriority,
-      TransactionPriority? initialMoneroTransactionPriority})
+      TransactionPriority? initialMoneroTransactionPriority,
+      TransactionPriority? initialHavenTransactionPriority,
+      TransactionPriority? initialLitecoinTransactionPriority})
   : nodes = ObservableMap<WalletType, Node>.of(nodes),
     _sharedPreferences = sharedPreferences,
     fiatCurrency = initialFiatCurrency,
     balanceDisplayMode = initialBalanceDisplayMode,
     shouldSaveRecipientAddress = initialSaveRecipientAddress,
+    fiatApiMode = initialFiatMode,
     allowBiometricalAuthentication = initialAllowBiometricalAuthentication,
     disableExchange = initialExchangeEnabled,
     currentTheme = initialTheme,
@@ -63,6 +70,14 @@ abstract class SettingsStoreBase with Store {
         priority[WalletType.bitcoin] = initialBitcoinTransactionPriority;
     }
 
+    if (initialHavenTransactionPriority != null) {
+        priority[WalletType.haven] = initialHavenTransactionPriority;
+    }
+
+    if (initialLitecoinTransactionPriority != null) {
+        priority[WalletType.litecoin] = initialLitecoinTransactionPriority;
+    }
+
     reaction(
         (_) => fiatCurrency,
         (FiatCurrency fiatCurrency) => sharedPreferences.setString(
@@ -74,11 +89,25 @@ abstract class SettingsStoreBase with Store {
              .setBool(PreferencesKey.shouldShowYatPopup, shouldShowYatPopup));
 
     priority.observe((change) {
-      final key = change.key == WalletType.monero
-          ? PreferencesKey.moneroTransactionPriority
-          : PreferencesKey.bitcoinTransactionPriority;
+      final String? key;
+      switch (change.key) {
+        case WalletType.monero:
+          key = PreferencesKey.moneroTransactionPriority;
+          break;
+        case WalletType.bitcoin:
+          key = PreferencesKey.bitcoinTransactionPriority;
+          break;
+        case WalletType.litecoin:
+          key = PreferencesKey.litecoinTransactionPriority;
+          break;
+        case WalletType.haven:
+          key = PreferencesKey.havenTransactionPriority;
+          break;
+        default:
+          key = null;
+      }
 
-      if (change.newValue != null) {
+      if (change.newValue != null && key != null) {
         sharedPreferences.setInt(key, change.newValue!.serialize());
       }
     });
@@ -89,6 +118,11 @@ abstract class SettingsStoreBase with Store {
             PreferencesKey.shouldSaveRecipientAddressKey,
             shouldSaveRecipientAddress));
 
+    reaction(
+            (_) => fiatApiMode,
+            (FiatApiMode mode) => sharedPreferences.setInt(
+            PreferencesKey.currentFiatApiModeKey, mode.serialize()));
+
     reaction(
         (_) => currentTheme,
         (ThemeBase theme) =>
@@ -120,6 +154,11 @@ abstract class SettingsStoreBase with Store {
         (BalanceDisplayMode mode) => sharedPreferences.setInt(
             PreferencesKey.currentBalanceDisplayModeKey, mode.serialize()));
 
+    reaction(
+            (_) => disableExchange,
+            (bool disableExchange) => sharedPreferences.setBool(
+            PreferencesKey.disableExchangeKey, disableExchange));
+
     this
         .nodes
         .observe((change) { 
@@ -145,6 +184,9 @@ abstract class SettingsStoreBase with Store {
   @observable
   BalanceDisplayMode balanceDisplayMode;
 
+  @observable
+  FiatApiMode fiatApiMode;
+
   @observable
   bool shouldSaveRecipientAddress;
 
@@ -199,39 +241,48 @@ abstract class SettingsStoreBase with Store {
   static Future<SettingsStore> load(
       {required Box<Node> nodeSource,
       required bool isBitcoinBuyEnabled,
-      TransactionPriority? initialMoneroTransactionPriority,
-      TransactionPriority? initialBitcoinTransactionPriority,
       FiatCurrency initialFiatCurrency = FiatCurrency.usd,
       BalanceDisplayMode initialBalanceDisplayMode =
           BalanceDisplayMode.availableBalance}) async {
-    if (initialBitcoinTransactionPriority == null) {
-        initialBitcoinTransactionPriority = bitcoin?.getMediumTransactionPriority();
-    }
-
-    if (initialMoneroTransactionPriority == null) {
-        initialMoneroTransactionPriority = monero?.getDefaultTransactionPriority();
-    }
 
     final sharedPreferences = await getIt.getAsync<SharedPreferences>();
     final currentFiatCurrency = FiatCurrency.deserialize(raw:
             sharedPreferences.getString(PreferencesKey.currentFiatCurrencyKey)!);
-    final savedMoneroTransactionPriority =
+
+    TransactionPriority? moneroTransactionPriority =
         monero?.deserializeMoneroTransactionPriority(
             raw: sharedPreferences
                 .getInt(PreferencesKey.moneroTransactionPriority)!);
-    final savedBitcoinTransactionPriority =
+    TransactionPriority? bitcoinTransactionPriority =
         bitcoin?.deserializeBitcoinTransactionPriority(sharedPreferences
                 .getInt(PreferencesKey.bitcoinTransactionPriority)!);
-    final moneroTransactionPriority =
-        savedMoneroTransactionPriority ?? initialMoneroTransactionPriority;
-    final bitcoinTransactionPriority =
-        savedBitcoinTransactionPriority ?? initialBitcoinTransactionPriority;
+
+    TransactionPriority? havenTransactionPriority;
+    TransactionPriority? litecoinTransactionPriority;
+
+    if (sharedPreferences.getInt(PreferencesKey.havenTransactionPriority) != null) {
+      havenTransactionPriority = monero?.deserializeMoneroTransactionPriority(
+          raw: sharedPreferences.getInt(PreferencesKey.havenTransactionPriority)!);
+    }
+    if (sharedPreferences.getInt(PreferencesKey.litecoinTransactionPriority) != null) {
+      litecoinTransactionPriority = bitcoin?.deserializeLitecoinTransactionPriority(
+          sharedPreferences.getInt(PreferencesKey.litecoinTransactionPriority)!);
+    }
+
+    moneroTransactionPriority ??= monero?.getDefaultTransactionPriority();
+    bitcoinTransactionPriority ??= bitcoin?.getMediumTransactionPriority();
+    havenTransactionPriority ??= monero?.getDefaultTransactionPriority();
+    litecoinTransactionPriority ??= bitcoin?.getLitecoinTransactionPriorityMedium();
+
     final currentBalanceDisplayMode = BalanceDisplayMode.deserialize(
         raw: sharedPreferences
             .getInt(PreferencesKey.currentBalanceDisplayModeKey)!);
     // FIX-ME: Check for which default value we should have here
     final shouldSaveRecipientAddress =
         sharedPreferences.getBool(PreferencesKey.shouldSaveRecipientAddressKey) ?? false;
+    final currentFiatApiMode = FiatApiMode.deserialize(
+        raw: sharedPreferences
+            .getInt(PreferencesKey.currentFiatApiModeKey) ?? FiatApiMode.enabled.raw);
     final allowBiometricalAuthentication = sharedPreferences
             .getBool(PreferencesKey.allowBiometricalAuthenticationKey) ??
         false;
@@ -292,7 +343,7 @@ abstract class SettingsStoreBase with Store {
     if (havenNode != null) {
         nodes[WalletType.haven] = havenNode;
     }
-    
+
     return SettingsStore(
         sharedPreferences: sharedPreferences,
         nodes: nodes,
@@ -301,6 +352,7 @@ abstract class SettingsStoreBase with Store {
         initialFiatCurrency: currentFiatCurrency,
         initialBalanceDisplayMode: currentBalanceDisplayMode,
         initialSaveRecipientAddress: shouldSaveRecipientAddress,
+        initialFiatMode: currentFiatApiMode,
         initialAllowBiometricalAuthentication: allowBiometricalAuthentication,
         initialExchangeEnabled: disableExchange,
         initialTheme: savedTheme,
@@ -310,6 +362,8 @@ abstract class SettingsStoreBase with Store {
         initialLanguageCode: savedLanguageCode,
         initialMoneroTransactionPriority: moneroTransactionPriority,
         initialBitcoinTransactionPriority: bitcoinTransactionPriority,
+        initialHavenTransactionPriority: havenTransactionPriority,
+        initialLitecoinTransactionPriority: litecoinTransactionPriority,
         shouldShowYatPopup: shouldShowYatPopup);
   }
 
@@ -322,7 +376,7 @@ abstract class SettingsStoreBase with Store {
   //    TransactionPriority? initialBitcoinTransactionPriority,
   //    BalanceDisplayMode initialBalanceDisplayMode =
   //        BalanceDisplayMode.availableBalance}) async {
-    
+
   //  if (initialBitcoinTransactionPriority == null) {
   //      initialBitcoinTransactionPriority = bitcoin?.getMediumTransactionPriority();
   //  }

lib/view_model/advanced_privacy_settings_view_model.dart

@@ -0,0 +1,56 @@
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
+import 'package:cake_wallet/store/settings_store.dart';
+import 'package:cake_wallet/view_model/settings/switcher_list_item.dart';
+import 'package:cw_core/wallet_type.dart';
+import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/generated/i18n.dart';
+
+part 'advanced_privacy_settings_view_model.g.dart';
+
+class AdvancedPrivacySettingsViewModel = AdvancedPrivacySettingsViewModelBase
+    with _$AdvancedPrivacySettingsViewModel;
+
+abstract class AdvancedPrivacySettingsViewModelBase with Store {
+  AdvancedPrivacySettingsViewModelBase(this.type, this._settingsStore)
+      : _addCustomNode = false {
+    settings = [
+      SwitcherListItem(
+        title: S.current.disable_fiat,
+        value: () => _settingsStore.fiatApiMode == FiatApiMode.disabled,
+        onValueChange: (_, bool value) => setFiatMode(value),
+      ),
+      SwitcherListItem(
+        title: S.current.disable_exchange,
+        value: () => _settingsStore.disableExchange,
+        onValueChange: (_, bool value) {
+          _settingsStore.disableExchange = value;
+        },
+      ),
+      SwitcherListItem(
+        title: S.current.add_custom_node,
+        value: () => _addCustomNode,
+        onValueChange: (_, bool value) => _addCustomNode = value,
+      ),
+    ];
+  }
+
+  late List<SwitcherListItem> settings;
+
+  @observable
+  bool _addCustomNode = false;
+
+  final WalletType type;
+  final SettingsStore _settingsStore;
+
+  @computed
+  bool get addCustomNode => _addCustomNode;
+
+  @action
+  void setFiatMode(bool value) {
+    if (value) {
+      _settingsStore.fiatApiMode = FiatApiMode.disabled;
+      return;
+    }
+    _settingsStore.fiatApiMode = FiatApiMode.enabled;
+  }
+}

lib/view_model/contact_list/contact_list_view_model.dart

@@ -7,27 +7,26 @@ import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/entities/contact_record.dart';
 import 'package:cake_wallet/entities/contact.dart';
 import 'package:cake_wallet/utils/mobx.dart';
+import 'package:cw_core/crypto_currency.dart';
 
 part 'contact_list_view_model.g.dart';
 
-class ContactListViewModel = ContactListViewModelBase
-    with _$ContactListViewModel;
+class ContactListViewModel = ContactListViewModelBase with _$ContactListViewModel;
 
 abstract class ContactListViewModelBase with Store {
-  ContactListViewModelBase(this.contactSource, this.walletInfoSource)
+  ContactListViewModelBase(this.contactSource, this.walletInfoSource, this._currency)
       : contacts = ObservableList<ContactRecord>(),
         walletContacts = [] {
     walletInfoSource.values.forEach((info) {
       if (info.addresses?.isNotEmpty ?? false) {
         info.addresses?.forEach((address, label) {
-          final name = label.isNotEmpty
-            ? info.name + ' ($label)'
-            : info.name;
+          final name = label.isNotEmpty ? info.name + ' ($label)' : info.name;
 
           walletContacts.add(WalletContact(
-              address,
-              name,
-              walletTypeToCryptoCurrency(info.type)));
+            address,
+            name,
+            walletTypeToCryptoCurrency(info.type),
+          ));
         });
       }
     });
@@ -41,7 +40,18 @@ abstract class ContactListViewModelBase with Store {
   final Box<WalletInfo> walletInfoSource;
   final ObservableList<ContactRecord> contacts;
   final List<WalletContact> walletContacts;
+  final CryptoCurrency? _currency;
   StreamSubscription<BoxEvent>? _subscription;
 
+  bool get isEditable => _currency == null;
+
   Future<void> delete(ContactRecord contact) async => contact.original.delete();
+
+  @computed
+  List<ContactRecord> get contactsToShow =>
+      contacts.where((element) => _currency == null || element.type == _currency).toList();
+
+  @computed
+  List<WalletContact> get walletContactsToShow =>
+      walletContacts.where((element) => _currency == null || element.type == _currency).toList();
 }

lib/view_model/dashboard/balance_view_model.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cw_core/transaction_history.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/balance.dart';
@@ -10,7 +11,6 @@ import 'package:cake_wallet/entities/calculate_fiat_amount.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:mobx/mobx.dart';
 
 part 'balance_view_model.g.dart';
@@ -71,6 +71,9 @@ abstract class BalanceViewModelBase with Store {
   @computed
   BalanceDisplayMode get savedDisplayMode => settingsStore.balanceDisplayMode;
 
+  @computed
+  bool get isFiatDisabled => settingsStore.fiatApiMode == FiatApiMode.disabled;
+
   @computed
   String get asset {
     final typeFormatted = walletTypeToString(appStore.wallet!.type);
@@ -180,8 +183,8 @@ abstract class BalanceViewModelBase with Store {
         return MapEntry(key, BalanceRecord(
           availableBalance: '---',
           additionalBalance: '---',
-          fiatAdditionalBalance: '---',
-          fiatAvailableBalance: '---',
+          fiatAdditionalBalance: isFiatDisabled ? '' : '---',
+          fiatAvailableBalance: isFiatDisabled ? '' : '---',
           asset: key,
           formattedAssetTitle: _formatterAsset(key)));
       }
@@ -192,17 +195,17 @@ abstract class BalanceViewModelBase with Store {
       //   throw Exception('Price is null for: $key');
       // }
 
-      final additionalFiatBalance = fiatCurrency.toString()
-        + ' ' 
+      final additionalFiatBalance = isFiatDisabled ? '' : (fiatCurrency.toString()
+        + ' '
         + _getFiatBalance(
             price: price,
-            cryptoAmount: value.formattedAdditionalBalance);
+            cryptoAmount: value.formattedAdditionalBalance));
 
-      final availableFiatBalance = fiatCurrency.toString()
-        + ' ' 
+      final availableFiatBalance = isFiatDisabled ? '' : (fiatCurrency.toString()
+        + ' '
         + _getFiatBalance(
             price: price,
-            cryptoAmount: value.formattedAvailableBalance);
+            cryptoAmount: value.formattedAvailableBalance));
 
       return MapEntry(key, BalanceRecord(
         availableBalance: value.formattedAvailableBalance,

lib/view_model/exchange/exchange_trade_view_model.dart

@@ -72,6 +72,18 @@ abstract class ExchangeTradeViewModelBase with Store {
     ? '\n\n' + S.current.xrp_extra_info
     : '';
 
+  @computed
+  String get pendingTransactionFiatAmountValueFormatted =>
+      sendViewModel.isFiatDisabled
+          ? '' : sendViewModel.pendingTransactionFiatAmount
+          + ' ' + sendViewModel.fiat.title;
+
+  @computed
+  String get pendingTransactionFeeFiatAmountFormatted =>
+      sendViewModel.isFiatDisabled
+          ? '' : sendViewModel.pendingTransactionFeeFiatAmount
+          +  ' ' + sendViewModel.fiat.title;
+
   @observable
   ObservableList<ExchangeTradeItem> items;
 

lib/view_model/exchange/exchange_view_model.dart

@@ -44,7 +44,6 @@ abstract class ExchangeViewModelBase with Store {
   ExchangeViewModelBase(this.wallet, this.trades, this._exchangeTemplateStore,
       this.tradesStore, this._settingsStore, this.sharedPreferences)
     : _cryptoNumberFormat = NumberFormat(),
-      isReverse = false,
       isFixedRateMode = false,
       isReceiveAmountEntered = false,
       depositAmount = '',
@@ -112,7 +111,11 @@ abstract class ExchangeViewModelBase with Store {
     loadLimits();
     reaction(
       (_) => isFixedRateMode,
-      (Object _) => loadLimits());
+      (Object _) {
+        loadLimits();
+        _bestRate = 0;
+        _calculateBestRate();
+      });
   }
 
   final WalletBase wallet;
@@ -227,8 +230,6 @@ abstract class ExchangeViewModelBase with Store {
 
   Limits limits;
 
-  bool isReverse;
-
   NumberFormat _cryptoNumberFormat;
 
   final SettingsStore _settingsStore;
@@ -258,7 +259,6 @@ abstract class ExchangeViewModelBase with Store {
   @action
   Future<void> changeReceiveAmount({required String amount}) async {
     receiveAmount = amount;
-    isReverse = true;
 
     if (amount.isEmpty) {
       depositAmount = '';
@@ -283,7 +283,6 @@ abstract class ExchangeViewModelBase with Store {
   @action
   Future<void> changeDepositAmount({required String amount}) async {
     depositAmount = amount;
-    isReverse = false;
 
     if (amount.isEmpty) {
       depositAmount = '';
@@ -311,12 +310,13 @@ abstract class ExchangeViewModelBase with Store {
 
     final result = await Future.wait<double>(
         _tradeAvailableProviders
-            .map((element) => element.calculateAmount(
+            .where((element) => !isFixedRateMode || element.supportsFixedRate)
+            .map((element) => element.fetchRate(
                 from: depositCurrency,
                 to: receiveCurrency,
                 amount: amount,
                 isFixedRateMode: isFixedRateMode,
-                isReceiveAmount: false))
+                isReceiveAmount: isFixedRateMode))
     );
 
     _sortedAvailableProviders.clear();
@@ -324,7 +324,7 @@ abstract class ExchangeViewModelBase with Store {
     for (int i=0;i<result.length;i++) {
       if (result[i] != 0) {
         /// add this provider as its valid for this trade
-        _sortedAvailableProviders[result[i] / amount] = _tradeAvailableProviders[i];
+        _sortedAvailableProviders[result[i]] = _tradeAvailableProviders[i];
       }
     }
     if (_sortedAvailableProviders.isNotEmpty) {
@@ -401,7 +401,7 @@ abstract class ExchangeViewModelBase with Store {
             settleAddress: receiveAddress,
             refundAddress: depositAddress,
           );
-          amount = depositAmount;
+          amount = isFixedRateMode ? receiveAmount : depositAmount;
         }
 
         if (provider is SimpleSwapExchangeProvider) {
@@ -412,7 +412,7 @@ abstract class ExchangeViewModelBase with Store {
             address: receiveAddress,
             refundAddress: depositAddress,
           );
-          amount = depositAmount;
+          amount = isFixedRateMode ? receiveAmount : depositAmount;
         }
 
         if (provider is XMRTOExchangeProvider) {
@@ -424,7 +424,7 @@ abstract class ExchangeViewModelBase with Store {
               address: receiveAddress,
               refundAddress: depositAddress,
               isBTCRequest: isReceiveAmountEntered);
-          amount = depositAmount;
+          amount = isFixedRateMode ? receiveAmount : depositAmount;
         }
 
         if (provider is ChangeNowExchangeProvider) {
@@ -435,8 +435,8 @@ abstract class ExchangeViewModelBase with Store {
               toAmount: receiveAmount.replaceAll(',', '.'),
               refundAddress: depositAddress,
               address: receiveAddress,
-              isReverse: isReverse);
-          amount = isReverse ? receiveAmount : depositAmount;
+              isReverse: isFixedRateMode);
+          amount = isFixedRateMode ? receiveAmount : depositAmount;
         }
 
         if (provider is MorphTokenExchangeProvider) {
@@ -446,13 +446,13 @@ abstract class ExchangeViewModelBase with Store {
               amount: depositAmount.replaceAll(',', '.'),
               refundAddress: depositAddress,
               address: receiveAddress);
-          amount = depositAmount;
+          amount = isFixedRateMode ? receiveAmount : depositAmount;
         }
 
         amount = amount.replaceAll(',', '.');
 
         if (limitsState is LimitsLoadedSuccessfully) {
-          if (double.parse(amount) < limits.min!) {
+          if (limits.max != null && double.parse(amount) < limits.min!) {
             continue;
           } else if (limits.max != null && double.parse(amount) > limits.max!) {
             continue;

lib/view_model/node_list/node_create_or_edit_view_model.dart

@@ -1,7 +1,7 @@
 import 'package:cake_wallet/core/execution_state.dart';
+import 'package:cake_wallet/store/settings_store.dart';
 import 'package:hive/hive.dart';
 import 'package:mobx/mobx.dart';
-import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/node.dart';
 import 'package:cw_core/wallet_type.dart';
 
@@ -11,7 +11,7 @@ class NodeCreateOrEditViewModel = NodeCreateOrEditViewModelBase
     with _$NodeCreateOrEditViewModel;
 
 abstract class NodeCreateOrEditViewModelBase with Store {
-  NodeCreateOrEditViewModelBase(this._nodeSource, this._wallet)
+  NodeCreateOrEditViewModelBase(this._nodeSource, this._walletType, this._settingsStore)
       : state = InitialExecutionState(),
         connectionState = InitialExecutionState(),
         useSSL = false,
@@ -49,8 +49,8 @@ abstract class NodeCreateOrEditViewModelBase with Store {
   bool get isReady =>
       address.isNotEmpty && port.isNotEmpty;
 
-  bool get hasAuthCredentials => _wallet.type == WalletType.monero ||
-    _wallet.type == WalletType.haven;
+  bool get hasAuthCredentials => _walletType == WalletType.monero ||
+    _walletType == WalletType.haven;
 
   String get uri {
     var uri = address;
@@ -62,8 +62,9 @@ abstract class NodeCreateOrEditViewModelBase with Store {
     return uri;
   }
 
-  final WalletBase _wallet;
+  final WalletType _walletType;
   final Box<Node> _nodeSource;
+  final SettingsStore _settingsStore;
 
   @action
   void reset() {
@@ -76,13 +77,18 @@ abstract class NodeCreateOrEditViewModelBase with Store {
   }
 
   @action
-  Future<void> save() async {
+  Future<void> save({bool saveAsCurrent = false}) async {
     try {
       state = IsExecutingState();
       final node =
-          Node(uri: uri, type: _wallet.type, login: login, password: password,
+          Node(uri: uri, type: _walletType, login: login, password: password,
               useSSL: useSSL, trusted: trusted);
       await _nodeSource.add(node);
+
+      if (saveAsCurrent) {
+        _settingsStore.nodes[_walletType] = node;
+      }
+
       state = ExecutedSuccessfullyState();
     } catch (e) {
       state = FailureState(e.toString());
@@ -94,7 +100,7 @@ abstract class NodeCreateOrEditViewModelBase with Store {
     try {
       connectionState = IsExecutingState();
       final node =
-        Node(uri: uri, type: _wallet.type, login: login, password: password);
+        Node(uri: uri, type: _walletType, login: login, password: password);
       final isAlive = await node.requestNode();
       connectionState = ExecutedSuccessfullyState(payload: isAlive);
     } catch (e) {

lib/view_model/send/send_view_model.dart

@@ -142,6 +142,19 @@ abstract class SendViewModelBase with Store {
   @computed
   String get balance => balanceViewModel.availableBalance;
 
+  @computed
+  bool get isFiatDisabled => balanceViewModel.isFiatDisabled;
+
+  @computed
+  String get pendingTransactionFiatAmountFormatted =>
+      isFiatDisabled ? '' : pendingTransactionFiatAmount +
+          ' ' + fiat.title;
+
+  @computed
+  String get pendingTransactionFeeFiatAmountFormatted =>
+      isFiatDisabled ? '' : pendingTransactionFeeFiatAmount +
+          ' ' + fiat.title;
+
   @computed
   bool get isReadyForSend => _wallet.syncStatus is SyncedSyncStatus;
 

lib/view_model/settings/display_settings_view_model.dart

@@ -3,6 +3,7 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 
 part 'display_settings_view_model.g.dart';
 
@@ -30,6 +31,9 @@ abstract class DisplaySettingsViewModelBase with Store {
   @computed
   ThemeBase get theme => _settingsStore.currentTheme;
 
+  @computed
+  bool get disabledFiatApiMode => _settingsStore.fiatApiMode == FiatApiMode.disabled;
+
   @action
   void setBalanceDisplayMode(BalanceDisplayMode value) => _settingsStore.balanceDisplayMode = value;
 

lib/view_model/settings/privacy_settings_view_model.dart

@@ -1,5 +1,6 @@
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/entities/fiat_api_mode.dart';
 
 part 'privacy_settings_view_model.g.dart';
 
@@ -16,9 +17,22 @@ abstract class PrivacySettingsViewModelBase with Store {
   @computed
   bool get shouldSaveRecipientAddress => _settingsStore.shouldSaveRecipientAddress;
 
+  @computed
+  bool get isFiatDisabled => _settingsStore.fiatApiMode == FiatApiMode.disabled;
+
   @action
   void setShouldSaveRecipientAddress(bool value) => _settingsStore.shouldSaveRecipientAddress = value;
 
   @action
   void setEnableExchange(bool value) => _settingsStore.disableExchange = value;
+
+  @action
+  void setFiatMode(bool value) {
+    if (value) {
+      _settingsStore.fiatApiMode = FiatApiMode.disabled;
+      return;
+    }
+    _settingsStore.fiatApiMode = FiatApiMode.enabled;
+  }
+
 }