Merge redesign part 2.

lib/src/screens/send/send_page.dart

@@ -95,16 +95,26 @@ class SendPage extends BasePage {
 //    }
   }
 
-  @override
-  Widget body(BuildContext context) {
-    return super.build(context);
-  }
-
   // @override
-  // Widget build(BuildContext context) {
+  // Widget body(BuildContext context) {
-  //   return BaseSendWidget(sendViewModel: sendViewModel);
+  //   return super.build(context);
   // }
 
+  @override
+  Widget body(BuildContext context) => BaseSendWidget(
+        sendViewModel: sendViewModel,
+        leading: leading(context),
+        middle: middle(context),
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        resizeToAvoidBottomPadding: resizeToAvoidBottomPadding,
+        body: Container(
+            color: Theme.of(context).backgroundColor, child: body(context)));
+  }
+
 //   @override
 //   Widget build(BuildContext context) {
 //     _setEffects(context);

lib/src/screens/send/send_template_page.dart

@@ -2,7 +2,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/generated/i18n.dart';
-import 'package:cake_wallet/view_model/send_view_model.dart';
+import 'package:cake_wallet/view_model/send/send_view_model.dart';
 import 'package:cake_wallet/src/screens/send/widgets/base_send_widget.dart';
 
 class SendTemplatePage extends BasePage {
@@ -26,22 +26,17 @@ class SendTemplatePage extends BasePage {
   bool get resizeToAvoidBottomPadding => false;
 
   @override
-  Widget body(BuildContext context) =>
+  Widget body(BuildContext context) => BaseSendWidget(
-      BaseSendWidget(
+      sendViewModel: sendViewModel,
-        sendViewModel: sendViewModel,
+      leading: leading(context),
-        leading: leading(context),
+      middle: middle(context),
-        middle: middle(context),
+      isTemplate: true);
-        isTemplate: true
-      );
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      resizeToAvoidBottomPadding: resizeToAvoidBottomPadding,
+        resizeToAvoidBottomPadding: resizeToAvoidBottomPadding,
-      body: Container(
+        body: Container(
-        color: Theme.of(context).backgroundColor,
+            color: Theme.of(context).backgroundColor, child: body(context)));
-        child: body(context)
-      )
-    );
   }
 }

lib/store/settings_store.dart

@@ -138,7 +138,7 @@ abstract class SettingsStoreBase with Store {
         sharedPreferences.getBool(shouldSaveRecipientAddressKey);
     final allowBiometricalAuthentication =
         sharedPreferences.getBool(allowBiometricalAuthenticationKey) ?? false;
-    final savedDarkTheme = sharedPreferences.getBool(currentDarkTheme) ?? true;
+    final savedDarkTheme = sharedPreferences.getBool(currentDarkTheme) ?? false;
     final actionListDisplayMode = ObservableList<ActionListDisplayMode>();
     actionListDisplayMode.addAll(deserializeActionlistDisplayModes(
         sharedPreferences.getInt(displayActionListModeKey) ??

lib/view_model/exchange/exchange_view_model.dart

@@ -1,5 +1,6 @@
 import 'package:cake_wallet/core/wallet_base.dart';
 import 'package:cake_wallet/src/domain/common/crypto_currency.dart';
+import 'package:cake_wallet/src/domain/common/wallet_type.dart';
 import 'package:cake_wallet/src/domain/exchange/exchange_provider.dart';
 import 'package:cake_wallet/src/domain/exchange/limits.dart';
 import 'package:cake_wallet/src/domain/exchange/trade.dart';
@@ -25,22 +26,18 @@ part 'exchange_view_model.g.dart';
 class ExchangeViewModel = ExchangeViewModelBase with _$ExchangeViewModel;
 
 abstract class ExchangeViewModelBase with Store {
-  ExchangeViewModelBase({
+  ExchangeViewModelBase(
-    this.wallet,
+      {this.wallet,
-    this.trades,
+      this.trades,
-    this.exchangeTemplateStore,
+      this.exchangeTemplateStore,
-    this.tradesStore}) {
+      this.tradesStore}) {
-
     providerList = [
       XMRTOExchangeProvider(),
       ChangeNowExchangeProvider(),
       MorphTokenExchangeProvider(trades: trades)
     ];
 
-    provider = providerList[ 0 ];
+    _initialPairBasedOnWallet();
-
-    depositCurrency = CryptoCurrency.xmr;
-    receiveCurrency = CryptoCurrency.btc;
     isDepositAddressEnabled = !(depositCurrency == wallet.currency);
     isReceiveAddressEnabled = !(receiveCurrency == wallet.currency);
     depositAmount = '';
@@ -50,6 +47,7 @@ abstract class ExchangeViewModelBase with Store {
     limitsState = LimitsInitialState();
     tradeState = ExchangeTradeStateInitial();
     _cryptoNumberFormat = NumberFormat()..maximumFractionDigits = 12;
+    provider = providersForCurrentPair().first;
     loadLimits();
   }
 
@@ -140,8 +138,11 @@ abstract class ExchangeViewModelBase with Store {
 
     provider
         .calculateAmount(
-        from: depositCurrency, to: receiveCurrency, amount: _amount)
+            from: depositCurrency, to: receiveCurrency, amount: _amount)
-        .then((amount) => _cryptoNumberFormat.format(amount).toString().replaceAll(RegExp("\\,"), ""))
+        .then((amount) => _cryptoNumberFormat
+            .format(amount)
+            .toString()
+            .replaceAll(RegExp('\\,'), ''))
         .then((amount) => depositAmount = amount);
   }
 
@@ -158,8 +159,11 @@ abstract class ExchangeViewModelBase with Store {
     final _amount = double.parse(amount);
     provider
         .calculateAmount(
-        from: depositCurrency, to: receiveCurrency, amount: _amount)
+            from: depositCurrency, to: receiveCurrency, amount: _amount)
-        .then((amount) => _cryptoNumberFormat.format(amount).toString().replaceAll(RegExp("\\,"), ""))
+        .then((amount) => _cryptoNumberFormat
+            .format(amount)
+            .toString()
+            .replaceAll(RegExp('\\,'), ''))
         .then((amount) => receiveAmount = amount);
   }
 
@@ -217,11 +221,13 @@ abstract class ExchangeViewModelBase with Store {
 
     if (limitsState is LimitsLoadedSuccessfully && amount != null) {
       if (double.parse(amount) < limits.min) {
-        tradeState = TradeIsCreatedFailure(error: S.current.error_text_minimal_limit('${provider.description}',
+        tradeState = TradeIsCreatedFailure(
-            '${limits.min}', currency.toString()));
+            error: S.current.error_text_minimal_limit('${provider.description}',
+                '${limits.min}', currency.toString()));
       } else if (limits.max != null && double.parse(amount) > limits.max) {
-        tradeState = TradeIsCreatedFailure(error: S.current.error_text_maximum_limit('${provider.description}',
+        tradeState = TradeIsCreatedFailure(
-            '${limits.max}', currency.toString()));
+            error: S.current.error_text_maximum_limit('${provider.description}',
+                '${limits.max}', currency.toString()));
       } else {
         try {
           tradeState = TradeIsCreating();
@@ -235,9 +241,10 @@ abstract class ExchangeViewModelBase with Store {
         }
       }
     } else {
-      tradeState = TradeIsCreatedFailure(error: S.current.error_text_limits_loading_failed('${provider.description}'));
+      tradeState = TradeIsCreatedFailure(
+          error: S.current
+              .error_text_limits_loading_failed('${provider.description}'));
     }
-
   }
 
   @action
@@ -261,9 +268,9 @@ abstract class ExchangeViewModelBase with Store {
       {CryptoCurrency from, CryptoCurrency to}) {
     final providers = providerList
         .where((provider) => provider.pairList
-        .where((pair) =>
+            .where((pair) =>
-    pair.from == depositCurrency && pair.to == receiveCurrency)
+                pair.from == depositCurrency && pair.to == receiveCurrency)
-        .isNotEmpty)
+            .isNotEmpty)
         .toList();
 
     return providers;
@@ -272,12 +279,12 @@ abstract class ExchangeViewModelBase with Store {
   void _onPairChange() {
     final isPairExist = provider.pairList
         .where((pair) =>
-    pair.from == depositCurrency && pair.to == receiveCurrency)
+            pair.from == depositCurrency && pair.to == receiveCurrency)
         .isNotEmpty;
 
     if (!isPairExist) {
       final provider =
-      _providerForPair(from: depositCurrency, to: receiveCurrency);
+          _providerForPair(from: depositCurrency, to: receiveCurrency);
 
       if (provider != null) {
         changeProvider(provider: provider);
@@ -295,4 +302,18 @@ abstract class ExchangeViewModelBase with Store {
     return providers.isNotEmpty ? providers[0] : null;
   }
 
+  void _initialPairBasedOnWallet() {
+    switch (wallet.type) {
+      case WalletType.monero:
+        depositCurrency = CryptoCurrency.xmr;
+        receiveCurrency = CryptoCurrency.btc;
+        break;
+      case WalletType.bitcoin:
+        depositCurrency = CryptoCurrency.btc;
+        receiveCurrency = CryptoCurrency.xmr;
+        break;
+      default:
+        break;
+    }
+  }
 }

lib/view_model/send/send_view_model.dart

@@ -1,7 +1,8 @@
-import 'package:cake_wallet/src/domain/common/calculate_fiat_amount.dart';
-import 'package:cake_wallet/store/dashboard/fiat_convertation_store.dart';
 import 'package:intl/intl.dart';
 import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/core/template_validator.dart';
+import 'package:cake_wallet/src/domain/common/calculate_fiat_amount.dart';
+import 'package:cake_wallet/store/dashboard/fiat_convertation_store.dart';
 import 'package:cake_wallet/core/address_validator.dart';
 import 'package:cake_wallet/core/amount_validator.dart';
 import 'package:cake_wallet/core/pending_transaction.dart';
@@ -28,7 +29,7 @@ abstract class SendViewModelBase with Store {
       : state = InitialSendViewModelState(),
         _cryptoNumberFormat = NumberFormat()..maximumFractionDigits = 12,
         // FIXME: need to be based on wallet type.
-        all = false;
+        sendAll = false;
 
   @observable
   SendViewModelState state;
@@ -43,7 +44,7 @@ abstract class SendViewModelBase with Store {
   String address;
 
   @observable
-  bool all;
+  bool sendAll;
 
   FiatCurrency get fiat => _settingsStore.fiatCurrency;
 
@@ -59,6 +60,8 @@ abstract class SendViewModelBase with Store {
 
   Validator get addressValidator => AddressValidator(type: _wallet.currency);
 
+  Validator get templateValidator => TemplateValidator();
+
   PendingTransaction pendingTransaction;
 
   @computed
@@ -83,7 +86,7 @@ abstract class SendViewModelBase with Store {
   final NumberFormat _cryptoNumberFormat;
 
   @action
-  void setAll() => all = true;
+  void setSendAll() => sendAll = true;
 
   @action
   void reset() {
@@ -118,7 +121,7 @@ abstract class SendViewModelBase with Store {
   void setCryptoAmount(String amount) {
     // FIXME: hardcoded value.
     if (amount.toUpperCase() != 'ALL') {
-      all = false;
+      sendAll = false;
     }
 
     cryptoAmount = amount;
@@ -162,7 +165,7 @@ abstract class SendViewModelBase with Store {
 
   Object _credentials() {
     final amount =
-        !all ? double.parse(cryptoAmount.replaceAll(',', '.')) : null;
+        !sendAll ? double.parse(cryptoAmount.replaceAll(',', '.')) : null;
 
     switch (_wallet.type) {
       case WalletType.bitcoin: