Cw 682 integrate stealth ex exchange provider (#1575)

* add stealthEx provider

* minor fix

* Update pr_test_build.yml

* Update dashboard_view_model.dart

* update api key

* add api key

* add secret to linux [skip ci]

* fix network param issue

* additional fee percent [skip ci]

* fix for poly network

* add StealthEx tracking link.

* minor fix

* update name [skip ci]

---------

Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>

.github/workflows/pr_test_build_android.yml

@@ -168,6 +168,8 @@ jobs:
           echo "const nanoNowNodesApiKey = '${{ secrets.NANO_NOW_NODES_API_KEY }}';" >> cw_nano/lib/.secrets.g.dart
           echo "const tronGridApiKey = '${{ secrets.TRON_GRID_API_KEY }}';" >> cw_tron/lib/.secrets.g.dart
           echo "const tronNowNodesApiKey = '${{ secrets.TRON_NOW_NODES_API_KEY }}';" >> cw_tron/lib/.secrets.g.dart
+          echo "const stealthExBearerToken = '${{ secrets.STEALTH_EX_BEARER_TOKEN }}';" >> lib/.secrets.g.dart
+          echo "const stealthExAdditionalFeePercent = '${{ secrets.STEALTH_EX_ADDITIONAL_FEE_PERCENT }}';" >> lib/.secrets.g.dart
 
       - name: Rename app
         run: |

.github/workflows/pr_test_build_linux.yml

@@ -154,6 +154,8 @@ jobs:
           echo "const nanoNowNodesApiKey = '${{ secrets.NANO_NOW_NODES_API_KEY }}';" >> cw_nano/lib/.secrets.g.dart
           echo "const tronGridApiKey = '${{ secrets.TRON_GRID_API_KEY }}';" >> cw_tron/lib/.secrets.g.dart
           echo "const tronNowNodesApiKey = '${{ secrets.TRON_NOW_NODES_API_KEY }}';" >> cw_tron/lib/.secrets.g.dart
+          echo "const stealthExBearerToken = '${{ secrets.STEALTH_EX_BEARER_TOKEN }}';" >> lib/.secrets.g.dart
+          echo "const stealthExAdditionalFeePercent = '${{ secrets.STEALTH_EX_ADDITIONAL_FEE_PERCENT }}';" >> lib/.secrets.g.dart
 
       - name: Rename app
         run: |

lib/exchange/exchange_provider_description.dart

@@ -27,6 +27,8 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
       ExchangeProviderDescription(title: 'ThorChain', raw: 8, image: 'assets/images/thorchain.png');
   static const quantex =
       ExchangeProviderDescription(title: 'Quantex', raw: 9, image: 'assets/images/quantex.png');
+  static const stealthEx =
+  ExchangeProviderDescription(title: 'StealthEx', raw: 10, image: 'assets/images/stealthex.png');
 
   static ExchangeProviderDescription deserialize({required int raw}) {
     switch (raw) {
@@ -50,6 +52,8 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
         return thorChain;
       case 9:
         return quantex;
+      case 10:
+        return stealthEx;
       default:
         throw Exception('Unexpected token: $raw for ExchangeProviderDescription deserialize');
     }

lib/exchange/provider/stealth_ex_exchange_provider.dart

@@ -0,0 +1,299 @@
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
+import 'package:cake_wallet/exchange/exchange_provider_description.dart';
+import 'package:cake_wallet/exchange/limits.dart';
+import 'package:cake_wallet/exchange/trade.dart';
+import 'package:cake_wallet/exchange/trade_not_created_exception.dart';
+import 'package:cake_wallet/exchange/trade_request.dart';
+import 'package:cake_wallet/exchange/trade_state.dart';
+import 'package:cake_wallet/exchange/utils/currency_pairs_utils.dart';
+import 'package:cw_core/crypto_currency.dart';
+import 'package:http/http.dart' as http;
+
+class StealthExExchangeProvider extends ExchangeProvider {
+  StealthExExchangeProvider() : super(pairList: supportedPairs(_notSupported));
+
+  static const List<CryptoCurrency> _notSupported = [];
+
+  static final apiKey = secrets.stealthExBearerToken;
+  static final _additionalFeePercent = double.tryParse(secrets.stealthExAdditionalFeePercent);
+  static const _baseUrl = 'https://api.stealthex.io';
+  static const _rangePath = '/v4/rates/range';
+  static const _amountPath = '/v4/rates/estimated-amount';
+  static const _exchangesPath = '/v4/exchanges';
+
+  @override
+  String get title => 'StealthEX';
+
+  @override
+  bool get isAvailable => true;
+
+  @override
+  bool get isEnabled => true;
+
+  @override
+  bool get supportsFixedRate => true;
+
+  @override
+  ExchangeProviderDescription get description => ExchangeProviderDescription.stealthEx;
+
+  @override
+  Future<bool> checkIsAvailable() async => true;
+
+  @override
+  Future<Limits> fetchLimits(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required bool isFixedRateMode}) async {
+    final curFrom = isFixedRateMode ? to : from;
+    final curTo = isFixedRateMode ? from : to;
+
+    final headers = {'Authorization': apiKey, 'Content-Type': 'application/json'};
+    final body = {
+      'route': {
+        'from': {'symbol': _getName(curFrom), 'network': _getNetwork(curFrom)},
+        'to': {'symbol': _getName(curTo), 'network': _getNetwork(curTo)}
+      },
+      'estimation': isFixedRateMode ? 'reversed' : 'direct',
+      'rate': isFixedRateMode ? 'fixed' : 'floating',
+      'additional_fee_percent': _additionalFeePercent,
+    };
+
+    try {
+      final response = await http.post(Uri.parse(_baseUrl + _rangePath),
+          headers: headers, body: json.encode(body));
+      if (response.statusCode != 200) {
+        throw Exception('StealthEx fetch limits failed: ${response.body}');
+      }
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+      final min = responseJSON['min_amount'] as double?;
+      final max = responseJSON['max_amount'] as double?;
+      return Limits(min: min, max: max);
+    } catch (e) {
+      log(e.toString());
+      throw Exception('StealthEx failed to fetch limits');
+    }
+  }
+
+  @override
+  Future<double> fetchRate(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required double amount,
+      required bool isFixedRateMode,
+      required bool isReceiveAmount}) async {
+    final response = await getEstimatedExchangeAmount(
+        from: from, to: to, amount: amount, isFixedRateMode: isFixedRateMode);
+    final estimatedAmount = response['estimated_amount'] as double? ?? 0.0;
+    return estimatedAmount > 0.0
+        ? isFixedRateMode
+            ? amount / estimatedAmount
+            : estimatedAmount / amount
+        : 0.0;
+  }
+
+  @override
+  Future<Trade> createTrade(
+      {required TradeRequest request,
+      required bool isFixedRateMode,
+      required bool isSendAll}) async {
+    String? rateId;
+    String? validUntil;
+
+    try {
+      if (isFixedRateMode) {
+        final response = await getEstimatedExchangeAmount(
+            from: request.fromCurrency,
+            to: request.toCurrency,
+            amount: double.parse(request.toAmount),
+            isFixedRateMode: isFixedRateMode);
+        rateId = response['rate_id'] as String?;
+        validUntil = response['valid_until'] as String?;
+        if (rateId == null) throw TradeNotCreatedException(description);
+      }
+
+      final headers = {'Authorization': apiKey, 'Content-Type': 'application/json'};
+      final body = {
+        'route': {
+          'from': {
+            'symbol': _getName(request.fromCurrency),
+            'network': _getNetwork(request.fromCurrency)
+          },
+          'to': {'symbol': _getName(request.toCurrency), 'network': _getNetwork(request.toCurrency)}
+        },
+        'estimation': isFixedRateMode ? 'reversed' : 'direct',
+        'rate': isFixedRateMode ? 'fixed' : 'floating',
+        if (isFixedRateMode) 'rate_id': rateId,
+        'amount':
+            isFixedRateMode ? double.parse(request.toAmount) : double.parse(request.fromAmount),
+        'address': request.toAddress,
+        'refund_address': request.refundAddress,
+        'additional_fee_percent': _additionalFeePercent,
+      };
+
+      final response = await http.post(Uri.parse(_baseUrl + _exchangesPath),
+          headers: headers, body: json.encode(body));
+
+      if (response.statusCode != 201) {
+        throw Exception('StealthEx create trade failed: ${response.body}');
+      }
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+      final deposit = responseJSON['deposit'] as Map<String, dynamic>;
+      final withdrawal = responseJSON['withdrawal'] as Map<String, dynamic>;
+
+      final id = responseJSON['id'] as String;
+      final from = deposit['symbol'] as String;
+      final to = withdrawal['symbol'] as String;
+      final payoutAddress = withdrawal['address'] as String;
+      final depositAddress = deposit['address'] as String;
+      final refundAddress = responseJSON['refund_address'] as String;
+      final depositAmount = toDouble(deposit['amount']);
+      final receiveAmount = toDouble(withdrawal['amount']);
+      final status = responseJSON['status'] as String;
+      final createdAtString = responseJSON['created_at'] as String;
+
+      final createdAt = DateTime.parse(createdAtString);
+      final expiredAt = validUntil != null
+          ? DateTime.parse(validUntil)
+          : DateTime.now().add(Duration(minutes: 5));
+
+
+      CryptoCurrency fromCurrency;
+      if (request.fromCurrency.tag != null && request.fromCurrency.title.toLowerCase() == from) {
+          fromCurrency = request.fromCurrency;
+        } else {
+          fromCurrency = CryptoCurrency.fromString(from);
+        }
+
+      CryptoCurrency toCurrency;
+      if (request.toCurrency.tag != null && request.toCurrency.title.toLowerCase() == to) {
+          toCurrency = request.toCurrency;
+        } else {
+          toCurrency = CryptoCurrency.fromString(to);
+        }
+
+      return Trade(
+        id: id,
+        from: fromCurrency,
+        to: toCurrency,
+        provider: description,
+        inputAddress: depositAddress,
+        payoutAddress: payoutAddress,
+        refundAddress: refundAddress,
+        amount: depositAmount.toString(),
+        receiveAmount: receiveAmount.toString(),
+        state: TradeState.deserialize(raw: status),
+        createdAt: createdAt,
+        expiredAt: expiredAt,
+      );
+    } catch (e) {
+      log(e.toString());
+      throw TradeNotCreatedException(description);
+    }
+  }
+
+  @override
+  Future<Trade> findTradeById({required String id}) async {
+    final headers = {'Authorization': apiKey, 'Content-Type': 'application/json'};
+
+    final uri = Uri.parse('$_baseUrl$_exchangesPath/$id');
+    final response = await http.get(uri, headers: headers);
+
+    if (response.statusCode != 200) {
+      throw Exception('StealthEx fetch trade failed: ${response.body}');
+    }
+    final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+    final deposit = responseJSON['deposit'] as Map<String, dynamic>;
+    final withdrawal = responseJSON['withdrawal'] as Map<String, dynamic>;
+
+    final respId = responseJSON['id'] as String;
+    final from = deposit['symbol'] as String;
+    final to = withdrawal['symbol'] as String;
+    final payoutAddress = withdrawal['address'] as String;
+    final depositAddress = deposit['address'] as String;
+    final refundAddress = responseJSON['refund_address'] as String;
+    final depositAmount = toDouble(deposit['amount']);
+    final receiveAmount = toDouble(withdrawal['amount']);
+    final status = responseJSON['status'] as String;
+    final createdAtString = responseJSON['created_at'] as String;
+    final createdAt = DateTime.parse(createdAtString);
+
+    return Trade(
+      id: respId,
+      from: CryptoCurrency.fromString(from),
+      to: CryptoCurrency.fromString(to),
+      provider: description,
+      inputAddress: depositAddress,
+      payoutAddress: payoutAddress,
+      refundAddress: refundAddress,
+      amount: depositAmount.toString(),
+      receiveAmount: receiveAmount.toString(),
+      state: TradeState.deserialize(raw: status),
+      createdAt: createdAt,
+      isRefund: status == 'refunded',
+    );
+  }
+
+  Future<Map<String, dynamic>> getEstimatedExchangeAmount(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required double amount,
+      required bool isFixedRateMode}) async {
+    final headers = {'Authorization': apiKey, 'Content-Type': 'application/json'};
+
+    final body = {
+      'route': {
+        'from': {'symbol': _getName(from), 'network': _getNetwork(from)},
+        'to': {'symbol': _getName(to), 'network': _getNetwork(to)}
+      },
+      'estimation': isFixedRateMode ? 'reversed' : 'direct',
+      'rate': isFixedRateMode ? 'fixed' : 'floating',
+      'amount': amount,
+     'additional_fee_percent': _additionalFeePercent,
+    };
+
+    try {
+      final response = await http.post(Uri.parse(_baseUrl + _amountPath),
+          headers: headers, body: json.encode(body));
+      if (response.statusCode != 200) return {};
+      final responseJSON = json.decode(response.body) as Map<String, dynamic>;
+      final rate = responseJSON['rate'] as Map<String, dynamic>?;
+      return {
+        'estimated_amount': responseJSON['estimated_amount'] as double?,
+        if (rate != null) 'valid_until': rate['valid_until'] as String?,
+        if (rate != null) 'rate_id': rate['id'] as String?
+      };
+    } catch (e) {
+      log(e.toString());
+      return {};
+    }
+  }
+
+  double toDouble(dynamic value) {
+    if (value is int) {
+      return value.toDouble();
+    } else if (value is double) {
+      return value;
+    } else {
+      return 0.0;
+    }
+  }
+
+  String _getName(CryptoCurrency currency) {
+    if (currency == CryptoCurrency.usdcEPoly) return 'usdce';
+    return currency.title.toLowerCase();
+  }
+
+  String _getNetwork(CryptoCurrency currency) {
+    if (currency.tag == null) return 'mainnet';
+
+    if (currency == CryptoCurrency.maticpoly) return 'mainnet';
+
+    if (currency.tag == 'POLY') return 'matic';
+
+    return currency.tag!.toLowerCase();
+  }
+}

lib/exchange/trade_state.dart

@@ -40,7 +40,6 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
   static const exchanging = TradeState(raw: 'exchanging', title: 'Exchanging');
   static const sending = TradeState(raw: 'sending', title: 'Sending');
   static const success = TradeState(raw: 'success', title: 'Success');
-  
   static TradeState deserialize({required String raw}) {
 
     switch (raw) {
@@ -119,6 +118,7 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
       case 'refunded':
         return refunded;
       case 'confirmation':
+      case 'verifying':
         return confirmation;
       case 'confirmed':
         return confirmed;

lib/store/dashboard/trade_filter_store.dart

@@ -16,7 +16,8 @@ abstract class TradeFilterStoreBase with Store {
         displaySimpleSwap = true,
         displayTrocador = true,
         displayExolix = true,
-        displayThorChain = true;
+        displayThorChain = true,
+        displayStealthEx = true;
 
   @observable
   bool displayXMRTO;
@@ -42,6 +43,9 @@ abstract class TradeFilterStoreBase with Store {
   @observable
   bool displayThorChain;
 
+  @observable
+  bool displayStealthEx;
+
   @computed
   bool get displayAllTrades =>
       displayChangeNow &&
@@ -49,7 +53,8 @@ abstract class TradeFilterStoreBase with Store {
       displaySimpleSwap &&
       displayTrocador &&
       displayExolix &&
-      displayThorChain;
+      displayThorChain &&
+      displayStealthEx;
 
   @action
   void toggleDisplayExchange(ExchangeProviderDescription provider) {
@@ -78,6 +83,9 @@ abstract class TradeFilterStoreBase with Store {
       case ExchangeProviderDescription.thorChain:
         displayThorChain = !displayThorChain;
         break;
+      case ExchangeProviderDescription.stealthEx:
+        displayStealthEx = !displayStealthEx;
+        break;
       case ExchangeProviderDescription.all:
         if (displayAllTrades) {
           displayChangeNow = false;
@@ -88,6 +96,7 @@ abstract class TradeFilterStoreBase with Store {
           displayTrocador = false;
           displayExolix = false;
           displayThorChain = false;
+          displayStealthEx = false;
         } else {
           displayChangeNow = true;
           displaySideShift = true;
@@ -97,6 +106,7 @@ abstract class TradeFilterStoreBase with Store {
           displayTrocador = true;
           displayExolix = true;
           displayThorChain = true;
+          displayStealthEx = true;
         }
         break;
     }
@@ -112,13 +122,19 @@ abstract class TradeFilterStoreBase with Store {
         ? _trades
             .where((item) =>
                 (displayXMRTO && item.trade.provider == ExchangeProviderDescription.xmrto) ||
-                (displaySideShift && item.trade.provider == ExchangeProviderDescription.sideShift) ||
-                (displayChangeNow && item.trade.provider == ExchangeProviderDescription.changeNow) ||
-                (displayMorphToken && item.trade.provider == ExchangeProviderDescription.morphToken) ||
-                (displaySimpleSwap && item.trade.provider == ExchangeProviderDescription.simpleSwap) ||
+                (displaySideShift &&
+                    item.trade.provider == ExchangeProviderDescription.sideShift) ||
+                (displayChangeNow &&
+                    item.trade.provider == ExchangeProviderDescription.changeNow) ||
+                (displayMorphToken &&
+                    item.trade.provider == ExchangeProviderDescription.morphToken) ||
+                (displaySimpleSwap &&
+                    item.trade.provider == ExchangeProviderDescription.simpleSwap) ||
                 (displayTrocador && item.trade.provider == ExchangeProviderDescription.trocador) ||
                 (displayExolix && item.trade.provider == ExchangeProviderDescription.exolix) ||
-                (displayThorChain && item.trade.provider == ExchangeProviderDescription.thorChain))
+                (displayThorChain &&
+                    item.trade.provider == ExchangeProviderDescription.thorChain) ||
+                (displayStealthEx && item.trade.provider == ExchangeProviderDescription.stealthEx))
             .toList()
         : _trades;
   }

lib/view_model/dashboard/dashboard_view_model.dart

@@ -1,12 +1,14 @@
 import 'dart:convert';
 
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
+import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/buy/buy_provider.dart';
 import 'package:cake_wallet/core/key_service.dart';
 import 'package:cake_wallet/entities/auto_generate_subaddress_status.dart';
 import 'package:cake_wallet/entities/balance_display_mode.dart';
+import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/entities/provider_types.dart';
-import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/service_status.dart';
 import 'package:cake_wallet/exchange/exchange_provider_description.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -45,11 +47,9 @@ import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:eth_sig_util/util/utils.dart';
 import 'package:flutter/services.dart';
-import 'package:mobx/mobx.dart';
-import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:http/http.dart' as http;
+import 'package:mobx/mobx.dart';
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:cake_wallet/.secrets.g.dart' as secrets;
 
 part 'dashboard_view_model.g.dart';
 
@@ -129,6 +129,11 @@ abstract class DashboardViewModelBase with Store {
                 caption: ExchangeProviderDescription.thorChain.title,
                 onChanged: () =>
                     tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.thorChain)),
+            FilterItem(
+                value: () => tradeFilterStore.displayStealthEx,
+                caption: ExchangeProviderDescription.stealthEx.title,
+                onChanged: () =>
+                    tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.stealthEx)),
           ]
         },
         subname = '',

lib/view_model/exchange/exchange_trade_view_model.dart

@@ -7,6 +7,7 @@ import 'package:cake_wallet/exchange/provider/exolix_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/quantex_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/sideshift_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/simpleswap_exchange_provider.dart';
+import 'package:cake_wallet/exchange/provider/stealth_ex_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/exchange/trade.dart';
@@ -52,6 +53,8 @@ abstract class ExchangeTradeViewModelBase with Store {
       case ExchangeProviderDescription.quantex:
         _provider = QuantexExchangeProvider();
         break;
+      case ExchangeProviderDescription.stealthEx:
+        _provider = StealthExExchangeProvider();
       case ExchangeProviderDescription.thorChain:
         _provider = ThorChainExchangeProvider(tradesStore: trades);
         break;

lib/view_model/exchange/exchange_view_model.dart

@@ -4,6 +4,7 @@ import 'dart:convert';
 
 import 'package:bitcoin_base/bitcoin_base.dart';
 import 'package:cake_wallet/core/create_trade_result.dart';
+import 'package:cake_wallet/exchange/provider/stealth_ex_exchange_provider.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/sync_status.dart';
 import 'package:cw_core/transaction_priority.dart';
@@ -160,15 +161,16 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
   final SharedPreferences sharedPreferences;
 
   List<ExchangeProvider> get _allProviders => [
-        ChangeNowExchangeProvider(settingsStore: _settingsStore),
-        SideShiftExchangeProvider(),
-        SimpleSwapExchangeProvider(),
-        ThorChainExchangeProvider(tradesStore: trades),
-        if (FeatureFlag.isExolixEnabled) ExolixExchangeProvider(),
-        QuantexExchangeProvider(),
-        TrocadorExchangeProvider(
-            useTorOnly: _useTorOnly, providerStates: _settingsStore.trocadorProviderStates),
-      ];
+    ChangeNowExchangeProvider(settingsStore: _settingsStore),
+    SideShiftExchangeProvider(),
+    SimpleSwapExchangeProvider(),
+    ThorChainExchangeProvider(tradesStore: trades),
+    if (FeatureFlag.isExolixEnabled) ExolixExchangeProvider(),
+    QuantexExchangeProvider(),
+    StealthExExchangeProvider(),
+    TrocadorExchangeProvider(
+        useTorOnly: _useTorOnly, providerStates: _settingsStore.trocadorProviderStates),
+  ];
 
   @observable
   ExchangeProvider? provider;

lib/view_model/trade_details_view_model.dart

@@ -7,6 +7,7 @@ import 'package:cake_wallet/exchange/provider/exolix_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/quantex_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/sideshift_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/simpleswap_exchange_provider.dart';
+import 'package:cake_wallet/exchange/provider/stealth_ex_exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/exchange/trade.dart';
@@ -60,6 +61,9 @@ abstract class TradeDetailsViewModelBase with Store {
       case ExchangeProviderDescription.quantex:
         _provider = QuantexExchangeProvider();
         break;
+      case ExchangeProviderDescription.stealthEx:
+        _provider = StealthExExchangeProvider();
+        break;
     }
 
     _updateItems();
@@ -86,6 +90,8 @@ abstract class TradeDetailsViewModelBase with Store {
         return 'https://track.ninerealms.com/${trade.id}';
       case ExchangeProviderDescription.quantex:
         return 'https://myquantex.com/send/${trade.id}';
+      case ExchangeProviderDescription.stealthEx:
+        return 'https://stealthex.io/exchange/?id=${trade.id}';
     }
     return null;
   }

tool/utils/secret_key.dart

@@ -43,6 +43,8 @@ class SecretKey {
     SecretKey('cakePayApiKey', () => ''),
     SecretKey('CSRFToken', () => ''),
     SecretKey('authorization', () => ''),
+    SecretKey('stealthExBearerToken', () => ''),
+    SecretKey('stealthExAdditionalFeePercent', () => ''),
   ];
 
   static final evmChainsSecrets = [