Merge branch '4.1.0' into CAKE-198-notes-for-transactions

lib/view_model/dashboard/balance_view_model.dart

@@ -1,5 +1,9 @@
+import 'package:cake_wallet/bitcoin/bitcoin_balance.dart';
 import 'package:cake_wallet/bitcoin/bitcoin_wallet.dart';
+import 'package:cake_wallet/core/wallet_base.dart';
+import 'package:cake_wallet/entities/balance.dart';
 import 'package:cake_wallet/entities/crypto_currency.dart';
+import 'package:cake_wallet/monero/monero_balance.dart';
 import 'package:cake_wallet/monero/monero_wallet.dart';
 import 'package:cake_wallet/entities/balance_display_mode.dart';
 import 'package:cake_wallet/entities/calculate_fiat_amount.dart';
@@ -18,8 +22,30 @@ abstract class BalanceViewModelBase with Store {
   BalanceViewModelBase(
       {@required this.appStore,
       @required this.settingsStore,
-      @required this.fiatConvertationStore})
-      : isReversing = false;
+      @required this.fiatConvertationStore
+  }){
+    isReversing = false;
+
+    wallet ??= appStore.wallet;
+
+    _reaction = reaction((_) => appStore.wallet, _onWalletChange);
+
+    final _wallet = wallet;
+
+    if (_wallet is MoneroWallet) {
+      balance = _wallet.balance;
+
+      _onMoneroBalanceChangeReaction = reaction((_) => _wallet.balance,
+              (MoneroBalance moneroBalance) => balance = moneroBalance);
+    }
+
+    if (_wallet is BitcoinWallet) {
+      balance = _wallet.balance;
+
+      _onBitcoinBalanceChangeReaction = reaction((_) => _wallet.balance,
+              (BitcoinBalance bitcoinBalance) => balance = bitcoinBalance);
+    }
+  }
 
   final AppStore appStore;
   final SettingsStore settingsStore;
@@ -31,6 +57,12 @@ abstract class BalanceViewModelBase with Store {
   @observable
   bool isReversing;
 
+  @observable
+  Balance balance;
+
+  @observable
+  WalletBase wallet;
+
   @computed
   double get price => fiatConvertationStore.prices[appStore.wallet.currency];
 
@@ -47,24 +79,24 @@ abstract class BalanceViewModelBase with Store {
   @computed
   String get cryptoBalance {
     final walletBalance = _walletBalance;
-    var balance = '---';
+    var _balance = '---';
 
     if (displayMode == BalanceDisplayMode.availableBalance) {
-      balance = walletBalance.unlockedBalance ?? '0.0';
+      _balance = walletBalance.unlockedBalance ?? '0.0';
     }
 
     if (displayMode == BalanceDisplayMode.fullBalance) {
-      balance = walletBalance.totalBalance ?? '0.0';
+      _balance = walletBalance.totalBalance ?? '0.0';
     }
 
-    return balance;
+    return _balance;
   }
 
   @computed
   String get fiatBalance {
     final walletBalance = _walletBalance;
     final fiatCurrency = settingsStore.fiatCurrency;
-    var balance = '---';
+    var _balance = '---';
 
     final totalBalance =
         _getFiatBalance(price: price, cryptoAmount: walletBalance.totalBalance);
@@ -73,30 +105,30 @@ abstract class BalanceViewModelBase with Store {
         price: price, cryptoAmount: walletBalance.unlockedBalance);
 
     if (displayMode == BalanceDisplayMode.availableBalance) {
-      balance = fiatCurrency.toString() + ' ' + unlockedBalance ?? '0.00';
+      _balance = fiatCurrency.toString() + ' ' + unlockedBalance ?? '0.00';
     }
 
     if (displayMode == BalanceDisplayMode.fullBalance) {
-      balance = fiatCurrency.toString() + ' ' + totalBalance ?? '0.00';
+      _balance = fiatCurrency.toString() + ' ' + totalBalance ?? '0.00';
     }
 
-    return balance;
+    return _balance;
   }
 
   @computed
   WalletBalance get _walletBalance {
-    final _wallet = appStore.wallet;
+    final _balance = balance;
 
-    if (_wallet is MoneroWallet) {
-      return WalletBalance(
-          unlockedBalance: _wallet.balance.formattedUnlockedBalance,
-          totalBalance: _wallet.balance.formattedFullBalance);
+    if (_balance is MoneroBalance) {
+      return  WalletBalance(
+          unlockedBalance: _balance.formattedUnlockedBalance,
+          totalBalance: _balance.formattedFullBalance);
     }
 
-    if (_wallet is BitcoinWallet) {
+    if (_balance is BitcoinBalance) {
       return WalletBalance(
-          unlockedBalance: _wallet.balance.availableBalanceFormatted,
-          totalBalance: _wallet.balance.totalFormatted);
+          unlockedBalance: _balance.availableBalanceFormatted,
+          totalBalance: _balance.totalFormatted);
     }
 
     return null;
@@ -105,6 +137,33 @@ abstract class BalanceViewModelBase with Store {
   @computed
   CryptoCurrency get currency => appStore.wallet.currency;
 
+  @action
+  void _onWalletChange(WalletBase wallet) {
+    this.wallet = wallet;
+
+    if (wallet is MoneroWallet) {
+      balance = wallet.balance;
+
+      _onMoneroBalanceChangeReaction?.reaction?.dispose();
+
+      _onMoneroBalanceChangeReaction = reaction((_) => wallet.balance,
+              (MoneroBalance moneroBalance) => balance = moneroBalance);
+    }
+
+    if (wallet is BitcoinWallet) {
+      balance = wallet.balance;
+
+      _onBitcoinBalanceChangeReaction?.reaction?.dispose();
+
+      _onBitcoinBalanceChangeReaction = reaction((_) => wallet.balance,
+              (BitcoinBalance bitcoinBalance) => balance = bitcoinBalance);
+    }
+  }
+
+  ReactionDisposer _onMoneroBalanceChangeReaction;
+  ReactionDisposer _onBitcoinBalanceChangeReaction;
+  ReactionDisposer _reaction;
+
   String _getFiatBalance({double price, String cryptoAmount}) {
     if (cryptoAmount == null) {
       return '0.00';
@@ -112,4 +171,4 @@ abstract class BalanceViewModelBase with Store {
 
     return calculateFiatAmount(price: price, cryptoAmount: cryptoAmount);
   }
-}
+}

lib/view_model/exchange/exchange_view_model.dart

@@ -1,3 +1,5 @@
+import 'package:cake_wallet/bitcoin/bitcoin_amount_format.dart';
+import 'package:cake_wallet/bitcoin/bitcoin_wallet.dart';
 import 'package:cake_wallet/core/wallet_base.dart';
 import 'package:cake_wallet/entities/crypto_currency.dart';
 import 'package:cake_wallet/entities/sync_status.dart';
@@ -7,6 +9,7 @@ import 'package:cake_wallet/exchange/limits.dart';
 import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/exchange/limits_state.dart';
 import 'package:cake_wallet/store/dashboard/trades_store.dart';
+import 'package:cake_wallet/store/settings_store.dart';
 import 'package:intl/intl.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -27,8 +30,8 @@ part 'exchange_view_model.g.dart';
 class ExchangeViewModel = ExchangeViewModelBase with _$ExchangeViewModel;
 
 abstract class ExchangeViewModelBase with Store {
-  ExchangeViewModelBase(
-      this.wallet, this.trades, this._exchangeTemplateStore, this.tradesStore) {
+  ExchangeViewModelBase(this.wallet, this.trades, this._exchangeTemplateStore,
+      this.tradesStore, this._settingsStore) {
     providerList = [
       XMRTOExchangeProvider(),
       ChangeNowExchangeProvider(),
@@ -104,10 +107,6 @@ abstract class ExchangeViewModelBase with Store {
   @observable
   bool isReceiveAmountEntered;
 
-  Limits limits;
-
-  NumberFormat _cryptoNumberFormat;
-
   @computed
   SyncStatus get status => wallet.syncStatus;
 
@@ -115,6 +114,15 @@ abstract class ExchangeViewModelBase with Store {
   ObservableList<ExchangeTemplate> get templates =>
       _exchangeTemplateStore.templates;
 
+  bool get hasAllAmount =>
+      wallet.type == WalletType.bitcoin && depositCurrency == wallet.currency;
+
+  Limits limits;
+
+  NumberFormat _cryptoNumberFormat;
+
+  SettingsStore _settingsStore;
+
   @action
   void changeProvider({ExchangeProvider provider}) {
     this.provider = provider;
@@ -264,9 +272,8 @@ abstract class ExchangeViewModelBase with Store {
           await trades.add(trade);
           tradeState = TradeIsCreatedSuccessfully(trade: trade);
         } catch (e) {
-          tradeState = TradeIsCreatedFailure(
-              title: provider.title,
-              error: e.toString());
+          tradeState =
+              TradeIsCreatedFailure(title: provider.title, error: e.toString());
         }
       }
     } else {
@@ -291,6 +298,22 @@ abstract class ExchangeViewModelBase with Store {
     _onPairChange();
   }
 
+  @action
+  void calculateDepositAllAmount() {
+    if (wallet is BitcoinWallet) {
+      final availableBalance = wallet.balance.availableBalance as int;
+      final fee = BitcoinWalletBase.feeAmountForPriority(
+          _settingsStore.transactionPriority);
+
+      if (availableBalance < fee || availableBalance == 0) {
+        return;
+      }
+
+      final amount = availableBalance - fee;
+      depositAmount = bitcoinAmountToString(amount: amount);
+    }
+  }
+
   void updateTemplate() => _exchangeTemplateStore.update();
 
   void addTemplate(

lib/view_model/send/send_view_model.dart

@@ -1,4 +1,5 @@
 import 'package:cake_wallet/entities/balance_display_mode.dart';
+import 'package:cake_wallet/entities/calculate_fiat_amount_raw.dart';
 import 'package:cake_wallet/entities/transaction_description.dart';
 import 'package:hive/hive.dart';
 import 'package:intl/intl.dart';
@@ -64,6 +65,50 @@ abstract class SendViewModelBase with Store {
   double get estimatedFee =>
       _wallet.calculateEstimatedFee(_settingsStore.transactionPriority);
 
+  @computed
+  String get estimatedFeeFiatAmount {
+    try {
+      final fiat = calculateFiatAmountRaw(
+          price: _fiatConversationStore.prices[_wallet.currency],
+          cryptoAmount: estimatedFee);
+      return fiat;
+    } catch (_) {
+      return '0.00';
+    }
+  }
+
+  @computed
+  String get pendingTransactionFiatAmount {
+    try {
+      if (pendingTransaction != null) {
+        final fiat = calculateFiatAmount(
+            price: _fiatConversationStore.prices[_wallet.currency],
+            cryptoAmount: pendingTransaction.amountFormatted);
+        return fiat;
+      } else {
+        return '0.00';
+      }
+    } catch (_) {
+      return '0.00';
+    }
+  }
+
+  @computed
+  String get pendingTransactionFeeFiatAmount {
+    try {
+      if (pendingTransaction != null) {
+        final fiat = calculateFiatAmount(
+            price: _fiatConversationStore.prices[_wallet.currency],
+            cryptoAmount: pendingTransaction.feeFormatted);
+        return fiat;
+      } else {
+        return '0.00';
+      }
+    } catch (_) {
+      return '0.00';
+    }
+  }
+
   FiatCurrency get fiat => _settingsStore.fiatCurrency;
 
   TransactionPriority get transactionPriority =>
@@ -205,7 +250,7 @@ abstract class SendViewModelBase with Store {
 
     switch (_wallet.type) {
       case WalletType.bitcoin:
-        final amount = !sendAll ? double.parse(_amount) : null;
+        final amount = !sendAll ? _amount : null;
 
         return BitcoinTransactionCredentials(
             address, amount, _settingsStore.transactionPriority);