Uee SafeArea and swap currency selection fixes

.gitignore

@@ -112,3 +112,4 @@ scripts/linux/build/libsecret/subprojects/gi-docgen/.meson-subproject-wrap-hash.
 crypto_plugins/cs_monero/built_outputs
 crypto_plugins/cs_monero/build
 crypto_plugins/*.diff
+/devtools_options.yaml

lib/app_config.dart

@@ -3,11 +3,7 @@ import 'wallets/crypto_currency/intermediate/frost_currency.dart';
 
 part 'app_config.g.dart';
 
-enum AppFeature {
-  themeSelection,
-  buy,
-  swap;
-}
+enum AppFeature { themeSelection, buy, swap }
 
 abstract class AppConfig {
   static const appName = _prefix + _separator + suffix;
@@ -27,7 +23,8 @@ abstract class AppConfig {
 
   static List<CryptoCurrency> get coins => _supportedCoins;
 
-  static ({String from, String to}) get swapDefaults => _swapDefaults;
+  static ({String from, String fromFuzzyNet, String to, String toFuzzyNet})
+  get swapDefaults => _swapDefaults;
 
   static bool get isSingleCoinApp => coins.length == 1;
 
@@ -75,7 +72,13 @@ abstract class AppConfig {
   /// Fuzzy logic. Use with caution!!
   @Deprecated("dangerous")
   static CryptoCurrency getCryptoCurrencyByPrettyName(final String prettyName) {
-    final name = prettyName.replaceAll(" ", "").toLowerCase();
+    // trocador hack
+    const hackSplitter = " (Mainnet";
+    final name =
+        prettyName.contains(hackSplitter)
+            ? prettyName.split(hackSplitter).first.toLowerCase()
+            : prettyName.replaceAll(" ", "").toLowerCase();
+
     try {
       return coins.firstWhere(
         (e) => e.identifier.toLowerCase() == name || e.prettyName == prettyName,

lib/models/exchange/aggregate_currency.dart

@@ -10,11 +10,12 @@
 
 import 'package:tuple/tuple.dart';
 
+import '../../services/exchange/trocador/trocador_exchange.dart';
 import '../isar/exchange_cache/currency.dart';
 import '../isar/exchange_cache/pair.dart';
 
 class AggregateCurrency {
-  final Map<String, Currency?> _map = {};
+  final Map<String, Currency> _map = {};
 
   AggregateCurrency({
     required List<Tuple2<String, Currency>> exchangeCurrencyPairs,
@@ -32,23 +33,48 @@ class AggregateCurrency {
 
   String? networkFor(String exchangeName) => forExchange(exchangeName)?.network;
 
-  String get ticker => _map.values.first!.ticker;
+  String get ticker => _map.values.first.ticker;
 
-  String get name => _map.values.first!.name;
+  String get name {
+    if (_map.values.length > 2) {
+      return _map.values
+          .firstWhere((e) => e.exchangeName != TrocadorExchange.exchangeName)
+          .name;
+    }
+
+    // trocador hack
+    return _map.values.first.name.split(" (Mainnet").first;
+  }
 
-  String get image => _map.values.first!.image;
+  String get image => _map.values.first.image;
 
-  SupportedRateType get rateType => _map.values.first!.rateType;
+  SupportedRateType get rateType => _map.values.first.rateType;
 
-  bool get isStackCoin => _map.values.first!.isStackCoin;
+  bool get isStackCoin => _map.values.first.isStackCoin;
+
+  String get fuzzyNet => _map.values.first.getFuzzyNet();
 
   @override
   String toString() {
     String str = "AggregateCurrency: {";
     for (final key in _map.keys) {
-      str += " $key: ${_map[key]},";
+      str += "\n $key: ${_map[key]},";
     }
-    str += " }";
+    str += "\n}";
     return str;
   }
+
+  @override
+  bool operator ==(Object other) {
+    return other is AggregateCurrency &&
+        other.ticker == ticker &&
+        other._map.isNotEmpty &&
+        other._map.length == _map.length &&
+        other._map.values.first.getFuzzyNet() ==
+            _map.values.first.getFuzzyNet();
+  }
+
+  @override
+  int get hashCode =>
+      Object.hash(ticker, _map.values.first.getFuzzyNet(), _map.length);
 }

lib/models/exchange/change_now/estimated_exchange_amount.dart

@@ -29,7 +29,7 @@ class EstimatedExchangeAmount {
   final String? rateId;
 
   /// Date and time before which the estimated amount is valid if using `rateId`.
-  final DateTime validUntil;
+  final DateTime? validUntil;
 
   /// Dash-separated min and max estimated time in minutes.
   final String? transactionSpeedForecast;
@@ -87,7 +87,7 @@ class EstimatedExchangeAmount {
       flow: _parseFlow(json["flow"] as String),
       type: _parseType(json["type"] as String),
       rateId: json["rateId"] as String?,
-      validUntil: DateTime.parse(json["validUntil"] as String),
+      validUntil: DateTime.tryParse(json["validUntil"] as String? ?? ""),
       transactionSpeedForecast: json["transactionSpeedForecast"] as String?,
       warningMessage: json["warningMessage"] as String?,
       depositFee: Decimal.parse(json["depositFee"].toString()),
@@ -108,7 +108,7 @@ class EstimatedExchangeAmount {
       "flow": flow.name.replaceAll("fixedRate", "fixed-rate"),
       "type": type.name,
       "rateId": rateId,
-      "validUntil": validUntil.toIso8601String(),
+      "validUntil": validUntil?.toIso8601String(),
       "transactionSpeedForecast": transactionSpeedForecast,
       "warningMessage": warningMessage,
       "depositFee": depositFee.toString(),

lib/models/exchange/incomplete_exchange.dart

@@ -12,14 +12,16 @@ import 'package:decimal/decimal.dart';
 import 'package:flutter/foundation.dart';
 
 import '../../utilities/enums/exchange_rate_type_enum.dart';
+import '../isar/exchange_cache/currency.dart';
 import 'response_objects/estimate.dart';
 import 'response_objects/trade.dart';
 
 class IncompleteExchangeModel extends ChangeNotifier {
-  final String sendTicker;
-  final String? sendNetwork;
-  final String receiveTicker;
-  final String? receiveNetwork;
+  final Currency sendCurrency;
+  final Currency receiveCurrency;
+
+  String get sendTicker => sendCurrency.ticker;
+  String get receiveTicker => receiveCurrency.ticker;
 
   final String rateInfo;
 
@@ -76,16 +78,15 @@ class IncompleteExchangeModel extends ChangeNotifier {
   }
 
   IncompleteExchangeModel({
-    required this.sendTicker,
-    required this.sendNetwork,
-    required this.receiveTicker,
-    required this.receiveNetwork,
+    required this.sendCurrency,
+    required this.receiveCurrency,
     required this.rateInfo,
     required this.sendAmount,
     required this.receiveAmount,
     required this.rateType,
     required this.reversed,
     required this.walletInitiated,
     Estimate? estimate,
-  }) : _estimate = estimate;
+  }) : _estimate = estimate,
+       assert(sendCurrency.exchangeName == receiveCurrency.exchangeName);
 }

lib/models/isar/exchange_cache/currency.dart

@@ -11,6 +11,11 @@
 import 'package:isar/isar.dart';
 
 import '../../../app_config.dart';
+import '../../../services/exchange/change_now/change_now_exchange.dart';
+import '../../../services/exchange/exchange.dart';
+import '../../../services/exchange/majestic_bank/majestic_bank_exchange.dart';
+import '../../../services/exchange/nanswap/nanswap_exchange.dart';
+import '../../../services/exchange/trocador/trocador_exchange.dart';
 import 'pair.dart';
 
 part 'currency.g.dart';
@@ -23,12 +28,7 @@ class Currency {
   final String exchangeName;
 
   /// Currency ticker
-  @Index(
-    composite: [
-      CompositeIndex("exchangeName"),
-      CompositeIndex("name"),
-    ],
-  )
+  @Index(composite: [CompositeIndex("exchangeName"), CompositeIndex("name")])
   final String ticker;
 
   /// Currency name
@@ -68,6 +68,33 @@ class Currency {
       rateType == SupportedRateType.estimated ||
       rateType == SupportedRateType.both;
 
+  // used to group coins across providers
+  @ignore
+  String? _fuzzyCache;
+  String getFuzzyNet() {
+    return _fuzzyCache ??= switch (Exchange.fromName(
+      exchangeName,
+    ).runtimeType) {
+      // already lower case ticker basically
+      const (ChangeNowExchange) => network,
+
+      // not used at the time being
+      // case const (SimpleSwapExchange):
+
+      // currently a hardcoded of coins so we can just
+      const (MajesticBankExchange) => ticker.toLowerCase(),
+
+      const (TrocadorExchange) =>
+        (network == "Mainnet" ? ticker.toLowerCase() : network),
+
+      // only a few coins and `network` is the ticker
+      const (NanswapExchange) =>
+        network.isNotEmpty ? network.toLowerCase() : ticker.toLowerCase(),
+
+      _ => throw Exception("Unknown exchange: $exchangeName"),
+    };
+  }
+
   Currency({
     required this.exchangeName,
     required this.ticker,