Fixes for update fiat rate after change of current wallet type. Fixes for change amount for btc transactions. Changed displaying of balance for btc wallet. General fixes.

lib/view_model/dashboard/balance_view_model.dart

@@ -15,31 +15,34 @@ part 'balance_view_model.g.dart';
 class BalanceViewModel = BalanceViewModelBase with _$BalanceViewModel;
 
 abstract class BalanceViewModelBase with Store {
-  BalanceViewModelBase({
-    @required this.appStore,
-    @required this.settingsStore,
-    @required this.fiatConvertationStore
-  }) : isReversing = false;
+  BalanceViewModelBase(
+      {@required this.appStore,
+      @required this.settingsStore,
+      @required this.fiatConvertationStore})
+      : isReversing = false;
 
   final AppStore appStore;
   final SettingsStore settingsStore;
   final FiatConversionStore fiatConvertationStore;
 
+  bool get canReverse =>
+      (appStore.wallet.balance.availableModes as List).length > 1;
+
   @observable
   bool isReversing;
 
+  @computed
+  double get price => fiatConvertationStore.prices[appStore.wallet.currency];
+
   @computed
   BalanceDisplayMode get savedDisplayMode => settingsStore.balanceDisplayMode;
 
   @computed
   BalanceDisplayMode get displayMode => isReversing
-  ? (savedDisplayMode == BalanceDisplayMode.availableBalance
-    ? BalanceDisplayMode.fullBalance
-    : BalanceDisplayMode.availableBalance)
-  : savedDisplayMode;
-
-  @computed
-  double get price => fiatConvertationStore.price;
+      ? (savedDisplayMode == BalanceDisplayMode.availableBalance
+          ? BalanceDisplayMode.fullBalance
+          : BalanceDisplayMode.availableBalance)
+      : savedDisplayMode;
 
   @computed
   String get cryptoBalance {
@@ -63,15 +66,11 @@ abstract class BalanceViewModelBase with Store {
     final fiatCurrency = settingsStore.fiatCurrency;
     var balance = '---';
 
-    final totalBalance = _getFiatBalance(
-        price: price,
-        cryptoAmount: walletBalance.totalBalance
-    );
+    final totalBalance =
+        _getFiatBalance(price: price, cryptoAmount: walletBalance.totalBalance);
 
     final unlockedBalance = _getFiatBalance(
-        price: price,
-        cryptoAmount: walletBalance.unlockedBalance
-    );
+        price: price, cryptoAmount: walletBalance.unlockedBalance);
 
     if (displayMode == BalanceDisplayMode.availableBalance) {
       balance = fiatCurrency.toString() + ' ' + unlockedBalance ?? '0.00';
@@ -89,7 +88,7 @@ abstract class BalanceViewModelBase with Store {
     final _wallet = appStore.wallet;
 
     if (_wallet is MoneroWallet) {
-      return  WalletBalance(
+      return WalletBalance(
           unlockedBalance: _wallet.balance.formattedUnlockedBalance,
           totalBalance: _wallet.balance.formattedFullBalance);
     }
@@ -113,4 +112,4 @@ abstract class BalanceViewModelBase with Store {
 
     return calculateFiatAmount(price: price, cryptoAmount: cryptoAmount);
   }
-}
+}

lib/view_model/node_list/node_list_view_model.dart

@@ -13,16 +13,18 @@ part 'node_list_view_model.g.dart';
 class NodeListViewModel = NodeListViewModelBase with _$NodeListViewModel;
 
 abstract class NodeListViewModelBase with Store {
-  NodeListViewModelBase(this._nodeSource, this._wallet, this.settingsStore)
+  NodeListViewModelBase(this._nodeSource, this.wallet, this.settingsStore)
       : nodes = ObservableList<Node>() {
     _nodeSource.bindToList(nodes,
-        filter: (Node val) => val?.type == _wallet.type, initialFire: true);
+        filter: (Node val) => val?.type == wallet.type, initialFire: true);
   }
 
+  @computed
+  Node get currentNode => settingsStore.nodes[wallet.type];
+
   final ObservableList<Node> nodes;
   final SettingsStore settingsStore;
-
-  final WalletBase _wallet;
+  final WalletBase wallet;
   final Box<Node> _nodeSource;
 
   Future<void> reset() async {
@@ -30,14 +32,12 @@ abstract class NodeListViewModelBase with Store {
 
     Node node;
 
-    switch (_wallet.type) {
+    switch (wallet.type) {
       case WalletType.bitcoin:
         node = getBitcoinDefaultElectrumServer(nodes: _nodeSource);
         break;
       case WalletType.monero:
-        node = getMoneroDefaultNode(
-          nodes: _nodeSource,
-        );
+        node = getMoneroDefaultNode(nodes: _nodeSource);
         break;
       default:
         break;
@@ -50,5 +50,5 @@ abstract class NodeListViewModelBase with Store {
   Future<void> delete(Node node) async => node.delete();
 
   Future<void> setAsCurrent(Node node) async =>
-      settingsStore.currentNode = node;
+      settingsStore.nodes[wallet.type] = node;
 }

lib/view_model/send/send_view_model.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/entities/balance_display_mode.dart';
 import 'package:cake_wallet/entities/transaction_description.dart';
 import 'package:hive/hive.dart';
 import 'package:intl/intl.dart';
@@ -77,19 +78,9 @@ abstract class SendViewModelBase with Store {
   PendingTransaction pendingTransaction;
 
   @computed
-  String get balance {
-    String balance = '0.0';
-
-    if (_wallet is MoneroWallet) {
-      balance = _wallet.balance.formattedUnlockedBalance as String ?? '';
-    }
-
-    if (_wallet is BitcoinWallet) {
-      balance = _wallet.balance.confirmedFormatted as String ?? '';
-    }
-
-    return balance;
-  }
+  String get balance =>
+      _wallet.balance.formattedBalance(BalanceDisplayMode.availableBalance)
+          as String ?? '0.0';
 
   @computed
   bool get isReadyForSend => _wallet.syncStatus is SyncedSyncStatus;
@@ -176,7 +167,7 @@ abstract class SendViewModelBase with Store {
   void _updateFiatAmount() {
     try {
       final fiat = calculateFiatAmount(
-          price: _fiatConversationStore.price,
+          price: _fiatConversationStore.prices[_wallet.currency],
           cryptoAmount: cryptoAmount.replaceAll(',', '.'));
       if (fiatAmount != fiat) {
         fiatAmount = fiat;
@@ -190,7 +181,7 @@ abstract class SendViewModelBase with Store {
   void _updateCryptoAmount() {
     try {
       final crypto = double.parse(fiatAmount.replaceAll(',', '.')) /
-          _fiatConversationStore.price;
+          _fiatConversationStore.prices[_wallet.currency];
       final cryptoAmountTmp = _cryptoNumberFormat.format(crypto);
 
       if (cryptoAmount != cryptoAmountTmp) {

lib/view_model/settings/settings_view_model.dart

@@ -35,12 +35,13 @@ abstract class SettingsViewModelBase with Store {
         (PackageInfo packageInfo) => currentVersion = packageInfo.version);
     sections = [
       [
-        PickerListItem(
-            title: S.current.settings_display_balance_as,
-            items: BalanceDisplayMode.all,
-            selectedItem: () => balanceDisplayMode,
-            onItemSelected: (BalanceDisplayMode mode) =>
-                _settingsStore.balanceDisplayMode = mode),
+        if ((wallet.balance.availableModes as List).length > 1)
+          PickerListItem(
+              title: S.current.settings_display_balance_as,
+              items: BalanceDisplayMode.all,
+              selectedItem: () => balanceDisplayMode,
+              onItemSelected: (BalanceDisplayMode mode) =>
+                  _settingsStore.balanceDisplayMode = mode),
         PickerListItem(
             title: S.current.settings_currency,
             items: FiatCurrency.all,

lib/view_model/wallet_creation_vm.dart

@@ -51,7 +51,7 @@ abstract class WalletCreationVMBase with Store {
       credentials.walletInfo = walletInfo;
       final wallet = await process(credentials);
       await _walletInfoSource.add(walletInfo);
-      _appStore.wallet = wallet;
+      _appStore.changeCurrentWallet(wallet);
       _appStore.authenticationStore.allowed();
       state = ExecutedSuccessfullyState();
     } catch (e) {

lib/view_model/wallet_list/wallet_list_view_model.dart

@@ -32,7 +32,8 @@ abstract class WalletListViewModelBase with Store {
     final password =
         await _keyService.getWalletPassword(walletName: wallet.name);
     final walletService = getIt.get<WalletService>(param1: wallet.type);
-    _appStore.wallet = await walletService.openWallet(wallet.name, password);
+    final loadedWallet = await walletService.openWallet(wallet.name, password);
+    _appStore.changeCurrentWallet(loadedWallet);
     _updateList();
   }