Cw 537 integrate thor chain swaps (#1280)

* thorChain btc to eth swap

* eth to btc swap

* update the UI

* update localization

* Update thorchain_exchange.provider.dart

* minor fixes

* minor fix

* fix min amount bug

* revert amount_converter changes

* fetching thorChain traid info

* resolve evm related merge conflicts

* minor fix

* Fix eth transaction hash for Thorchain Integration

* add new status endpoint and refund address for eth

* Adjust affiliate fee

* Fix conflicts with main

* review comments + transaction filter item

* taproot addresses check

* added 10 outputs check

* Update thorchain_exchange.provider.dart

* minor fixes

* update thorchain title

* fix fetching rate for thorchain

* Revert "fix fetching rate for thorchain"

This reverts commit 3aa1386ecfbca14271bf01a73b424de19c4fd484.

* fix thorchain exchange rate

---------

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

lib/bitcoin/cw_bitcoin.dart

@@ -85,7 +85,8 @@ class CWBitcoin extends Bitcoin {
                   sendAll: out.sendAll,
                   extractedAddress: out.extractedAddress,
                   isParsedAddress: out.isParsedAddress,
-                  formattedCryptoAmount: out.formattedCryptoAmount))
+                  formattedCryptoAmount: out.formattedCryptoAmount,
+									memo: out.memo))
               .toList(),
           priority: priority as BitcoinTransactionPriority,
           feeRate: feeRate);

lib/ethereum/cw_ethereum.dart

@@ -76,7 +76,8 @@ class CWEthereum extends Ethereum {
                 sendAll: out.sendAll,
                 extractedAddress: out.extractedAddress,
                 isParsedAddress: out.isParsedAddress,
-                formattedCryptoAmount: out.formattedCryptoAmount))
+                formattedCryptoAmount: out.formattedCryptoAmount,
+                memo: out.memo))
             .toList(),
         priority: priority as EVMChainTransactionPriority,
         currency: currency,

lib/exchange/exchange_provider_description.dart

@@ -22,6 +22,8 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
       ExchangeProviderDescription(title: 'Trocador', raw: 5, image: 'assets/images/trocador.png');
   static const exolix =
       ExchangeProviderDescription(title: 'Exolix', raw: 6, image: 'assets/images/exolix.png');
+  static const thorChain =
+  ExchangeProviderDescription(title: 'ThorChain' , raw: 8, image: 'assets/images/thorchain.png');
 
   static const all = ExchangeProviderDescription(title: 'All trades', raw: 7, image: '');
 
@@ -41,6 +43,8 @@ class ExchangeProviderDescription extends EnumerableItem<int> with Serializable<
         return trocador;
       case 6:
         return exolix;
+      case 8:
+        return thorChain;
       case 7:
         return all;
       default:

lib/exchange/provider/thorchain_exchange.provider.dart

@@ -0,0 +1,248 @@
+import 'dart:convert';
+
+import 'package:cake_wallet/exchange/exchange_provider_description.dart';
+import 'package:cake_wallet/exchange/limits.dart';
+import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
+import 'package:cake_wallet/exchange/trade.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:hive/hive.dart';
+import 'package:http/http.dart' as http;
+
+class ThorChainExchangeProvider extends ExchangeProvider {
+  ThorChainExchangeProvider({required this.tradesStore})
+      : super(pairList: supportedPairs(_notSupported));
+
+  static final List<CryptoCurrency> _notSupported = [
+    ...(CryptoCurrency.all
+        .where((element) => ![
+              CryptoCurrency.btc,
+              CryptoCurrency.eth,
+              CryptoCurrency.ltc,
+              CryptoCurrency.bch,
+              CryptoCurrency.aave,
+              CryptoCurrency.dai,
+              CryptoCurrency.gusd,
+              CryptoCurrency.usdc,
+              CryptoCurrency.usdterc20,
+              CryptoCurrency.wbtc,
+            ].contains(element))
+        .toList())
+  ];
+
+  static final isRefundAddressSupported = [CryptoCurrency.eth];
+
+  static const _baseURL = 'thornode.ninerealms.com';
+  static const _quotePath = '/thorchain/quote/swap';
+  static const _txInfoPath = '/thorchain/tx/status/';
+  static const _affiliateName = 'cakewallet';
+  static const _affiliateBps = '175';
+
+  final Box<Trade> tradesStore;
+
+  @override
+  String get title => 'THORChain';
+
+  @override
+  bool get isAvailable => true;
+
+  @override
+  bool get isEnabled => true;
+
+  @override
+  bool get supportsFixedRate => false;
+
+  @override
+  ExchangeProviderDescription get description => ExchangeProviderDescription.thorChain;
+
+  @override
+  Future<bool> checkIsAvailable() async => true;
+
+  @override
+  Future<double> fetchRate(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required double amount,
+      required bool isFixedRateMode,
+      required bool isReceiveAmount}) async {
+    try {
+      if (amount == 0) return 0.0;
+
+      final params = {
+        'from_asset': _normalizeCurrency(from),
+        'to_asset': _normalizeCurrency(to),
+        'amount': _doubleToThorChainString(amount),
+        'affiliate': _affiliateName,
+        'affiliate_bps': _affiliateBps
+      };
+
+      final responseJSON = await _getSwapQuote(params);
+
+      final expectedAmountOut = responseJSON['expected_amount_out'] as String? ?? '0.0';
+
+      return _thorChainAmountToDouble(expectedAmountOut) / amount;
+    } catch (e) {
+      print(e.toString());
+      return 0.0;
+    }
+  }
+
+  @override
+  Future<Limits> fetchLimits(
+      {required CryptoCurrency from,
+      required CryptoCurrency to,
+      required bool isFixedRateMode}) async {
+    final params = {
+      'from_asset': _normalizeCurrency(from),
+      'to_asset': _normalizeCurrency(to),
+      'amount': _doubleToThorChainString(1),
+      'affiliate': _affiliateName,
+      'affiliate_bps': _affiliateBps
+    };
+
+    final responseJSON = await _getSwapQuote(params);
+    final minAmountIn = responseJSON['recommended_min_amount_in'] as String? ?? '0.0';
+
+    return Limits(min: _thorChainAmountToDouble(minAmountIn));
+  }
+
+  @override
+  Future<Trade> createTrade({required TradeRequest request, required bool isFixedRateMode}) async {
+    String formattedToAddress = request.toAddress.startsWith('bitcoincash:')
+        ? request.toAddress.replaceFirst('bitcoincash:', '')
+        : request.toAddress;
+
+    final formattedFromAmount = double.parse(request.fromAmount);
+
+    final params = {
+      'from_asset': _normalizeCurrency(request.fromCurrency),
+      'to_asset': _normalizeCurrency(request.toCurrency),
+      'amount': _doubleToThorChainString(formattedFromAmount),
+      'destination': formattedToAddress,
+      'affiliate': _affiliateName,
+      'affiliate_bps': _affiliateBps,
+      'refund_address':
+          isRefundAddressSupported.contains(request.fromCurrency) ? request.refundAddress : '',
+    };
+
+    final responseJSON = await _getSwapQuote(params);
+
+    final inputAddress = responseJSON['inbound_address'] as String?;
+    final memo = responseJSON['memo'] as String?;
+
+    return Trade(
+        id: '',
+        from: request.fromCurrency,
+        to: request.toCurrency,
+        provider: description,
+        inputAddress: inputAddress,
+        createdAt: DateTime.now(),
+        amount: request.fromAmount,
+        state: TradeState.notFound,
+        payoutAddress: request.toAddress,
+        memo: memo);
+  }
+
+  @override
+  Future<Trade> findTradeById({required String id}) async {
+    if (id.isEmpty) throw Exception('Trade id is empty');
+    final formattedId = id.startsWith('0x') ? id.substring(2) : id;
+    final uri = Uri.https(_baseURL, '$_txInfoPath$formattedId');
+    final response = await http.get(uri);
+
+    if (response.statusCode == 404) {
+      throw Exception('Trade not found for id: $formattedId');
+    } else if (response.statusCode != 200) {
+      throw Exception('Unexpected HTTP status: ${response.statusCode}');
+    }
+
+    final responseJSON = json.decode(response.body);
+    final Map<String, dynamic> stagesJson = responseJSON['stages'] as Map<String, dynamic>;
+
+    final inboundObservedStarted = stagesJson['inbound_observed']?['started'] as bool? ?? true;
+    if (!inboundObservedStarted) {
+      throw Exception('Trade has not started for id: $formattedId');
+    }
+
+    final currentState = _updateStateBasedOnStages(stagesJson) ?? TradeState.notFound;
+
+    final tx = responseJSON['tx'];
+    final String fromAddress = tx['from_address'] as String? ?? '';
+    final String toAddress = tx['to_address'] as String? ?? '';
+    final List<dynamic> coins = tx['coins'] as List<dynamic>;
+    final String? memo = tx['memo'] as String?;
+
+    final parts = memo?.split(':') ?? [];
+
+    final String toChain = parts.length > 1 ? parts[1].split('.')[0] : '';
+    final String toAsset = parts.length > 1 && parts[1].split('.').length > 1 ? parts[1].split('.')[1].split('-')[0] : '';
+
+    final formattedToChain = CryptoCurrency.fromString(toChain);
+    final toAssetWithChain =  CryptoCurrency.fromString(toAsset, walletCurrency:formattedToChain);
+
+    final plannedOutTxs = responseJSON['planned_out_txs'] as List<dynamic>?;
+    final isRefund = plannedOutTxs?.any((tx) => tx['refund'] == true) ?? false;
+
+    return Trade(
+      id: id,
+      from: CryptoCurrency.fromString(tx['chain'] as String? ?? ''),
+      to: toAssetWithChain,
+      provider: description,
+      inputAddress: fromAddress,
+      payoutAddress: toAddress,
+      amount: coins.first['amount'] as String? ?? '0.0',
+      state: currentState,
+      memo: memo,
+      isRefund: isRefund,
+    );
+  }
+
+  Future<Map<String, dynamic>> _getSwapQuote(Map<String, String> params) async {
+    Uri uri = Uri.https(_baseURL, _quotePath, params);
+
+    final response = await http.get(uri);
+
+    if (response.statusCode != 200) {
+      throw Exception('Unexpected HTTP status: ${response.statusCode}');
+    }
+
+    if (response.body.contains('error')) {
+      throw Exception('Unexpected response: ${response.body}');
+    }
+
+    return json.decode(response.body) as Map<String, dynamic>;
+  }
+
+  String _normalizeCurrency(CryptoCurrency currency) {
+    final networkTitle = currency.tag == 'ETH' ? 'ETH' : currency.title;
+    return '$networkTitle.${currency.title}';
+  }
+
+  String _doubleToThorChainString(double amount) => (amount * 1e8).toInt().toString();
+
+  double _thorChainAmountToDouble(String amount) => double.parse(amount) / 1e8;
+
+  TradeState? _updateStateBasedOnStages(Map<String, dynamic> stages) {
+    TradeState? currentState;
+
+    if (stages['inbound_observed']['completed'] as bool? ?? false) {
+      currentState = TradeState.confirmation;
+    }
+    if (stages['inbound_confirmation_counted']['completed'] as bool? ?? false) {
+      currentState = TradeState.confirmed;
+    }
+    if (stages['inbound_finalised']['completed'] as bool? ?? false) {
+      currentState = TradeState.processing;
+    }
+    if (stages['swap_finalised']['completed'] as bool? ?? false) {
+      currentState = TradeState.traded;
+    }
+    if (stages['outbound_signed']['completed'] as bool? ?? false) {
+      currentState = TradeState.success;
+    }
+
+    return currentState;
+  }
+}

lib/exchange/trade.dart

@@ -27,7 +27,10 @@ class Trade extends HiveObject {
     this.password,
     this.providerId,
     this.providerName,
-    this.fromWalletAddress
+    this.fromWalletAddress,
+    this.memo,
+    this.txId,
+    this.isRefund,
   }) {
     if (provider != null) providerRaw = provider.raw;
 
@@ -105,6 +108,15 @@ class Trade extends HiveObject {
   @HiveField(17)
   String? fromWalletAddress;
 
+  @HiveField(18)
+  String? memo;
+
+  @HiveField(19)
+  String? txId;
+
+  @HiveField(20)
+  bool? isRefund;
+
   static Trade fromMap(Map<String, Object?> map) {
     return Trade(
         id: map['id'] as String,
@@ -115,7 +127,10 @@ class Trade extends HiveObject {
             map['date'] != null ? DateTime.fromMillisecondsSinceEpoch(map['date'] as int) : null,
         amount: map['amount'] as String,
         walletId: map['wallet_id'] as String,
-        fromWalletAddress: map['from_wallet_address'] as String?
+        fromWalletAddress: map['from_wallet_address'] as String?,
+        memo: map['memo'] as String?,
+        txId: map['tx_id'] as String?,
+        isRefund: map['isRefund'] as bool?
     );
   }
 
@@ -128,7 +143,10 @@ class Trade extends HiveObject {
       'date': createdAt != null ? createdAt!.millisecondsSinceEpoch : null,
       'amount': amount,
       'wallet_id': walletId,
-      'from_wallet_address': fromWalletAddress
+      'from_wallet_address': fromWalletAddress,
+      'memo': memo,
+      'tx_id': txId,
+      'isRefund': isRefund
     };
   }
 

lib/exchange/trade_state.dart

@@ -41,6 +41,8 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
   static const success = TradeState(raw: 'success', title: 'Success');
   static TradeState deserialize({required String raw}) {
     switch (raw) {
+      case 'NOT_FOUND':
+        return notFound;
       case 'pending':
         return pending;
       case 'confirming':
@@ -98,6 +100,7 @@ class TradeState extends EnumerableItem<String> with Serializable<String> {
       case 'sending':
         return sending;
       case 'success':
+      case 'done':
         return success;
       default:
         throw Exception('Unexpected token: $raw in TradeState deserialize');

lib/src/screens/dashboard/widgets/filter_tile.dart

@@ -9,7 +9,7 @@ class FilterTile extends StatelessWidget {
   Widget build(BuildContext context) {
     return Container(
       width: double.infinity,
-      padding: EdgeInsets.symmetric(vertical: 8.0, horizontal: 24.0),
+      padding: EdgeInsets.symmetric(vertical: 6.0, horizontal: 24.0),
       child: child,
     );
   }

lib/src/screens/dashboard/widgets/sync_indicator_icon.dart

@@ -20,6 +20,7 @@ class SyncIndicatorIcon extends StatelessWidget {
   static const String created = 'created';
   static const String fetching = 'fetching';
   static const String finished = 'finished';
+  static const String success = 'success';
 
   @override
   Widget build(BuildContext context) {
@@ -45,6 +46,7 @@ class SyncIndicatorIcon extends StatelessWidget {
           indicatorColor = Colors.red;
           break;
         case finished:
+        case success:
           indicatorColor = PaletteDark.brightGreen;
           break;
         default:

lib/src/screens/dashboard/widgets/trade_row.dart

@@ -34,7 +34,9 @@ class TradeRow extends StatelessWidget {
             mainAxisSize: MainAxisSize.max,
             crossAxisAlignment: CrossAxisAlignment.center,
             children: [
-              _getPoweredImage(provider)!,
+              ClipRRect(
+                  borderRadius: BorderRadius.circular(50),
+                  child: Image.asset(provider.image, width: 36, height: 36)),
               SizedBox(width: 12),
               Expanded(
                   child: Column(
@@ -69,38 +71,4 @@ class TradeRow extends StatelessWidget {
           ),
         ));
   }
-
-  Widget? _getPoweredImage(ExchangeProviderDescription provider) {
-    Widget? image;
-
-    switch (provider) {
-      case ExchangeProviderDescription.xmrto:
-        image = Image.asset('assets/images/xmrto.png', height: 36, width: 36);
-        break;
-      case ExchangeProviderDescription.changeNow:
-        image = Image.asset('assets/images/changenow.png', height: 36, width: 36);
-        break;
-      case ExchangeProviderDescription.morphToken:
-        image = Image.asset('assets/images/morph.png', height: 36, width: 36);
-        break;
-      case ExchangeProviderDescription.sideShift:
-        image = Image.asset('assets/images/sideshift.png', width: 36, height: 36);
-        break;
-      case ExchangeProviderDescription.simpleSwap:
-        image = Image.asset('assets/images/simpleSwap.png', width: 36, height: 36);
-        break;
-      case ExchangeProviderDescription.trocador:
-        image = ClipRRect(
-            borderRadius: BorderRadius.circular(50),
-            child: Image.asset('assets/images/trocador.png', width: 36, height: 36));
-        break;
-      case ExchangeProviderDescription.exolix:
-        image = Image.asset('assets/images/exolix.png', width: 36, height: 36);
-        break;
-      default:
-        image = null;
-    }
-
-    return image;
-  }
 }

lib/src/screens/exchange/exchange_page.dart

@@ -1,3 +1,5 @@
+import 'package:cake_wallet/exchange/exchange_provider_description.dart';
+import 'package:cake_wallet/exchange/provider/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/themes/extensions/exchange_page_theme.dart';
 import 'package:cake_wallet/themes/extensions/keyboard_theme.dart';
 import 'package:cake_wallet/core/auth_service.dart';
@@ -60,7 +62,7 @@ class ExchangePage extends BasePage {
   final _receiveAmountFocus = FocusNode();
   final _receiveAddressFocus = FocusNode();
   final _receiveAmountDebounce = Debounce(Duration(milliseconds: 500));
-  final _depositAmountDebounce = Debounce(Duration(milliseconds: 500));
+  Debounce _depositAmountDebounce = Debounce(Duration(milliseconds: 500));
   var _isReactionsSet = false;
 
   final arrowBottomPurple = Image.asset(
@@ -431,7 +433,9 @@ class ExchangePage extends BasePage {
       }
       if (state is TradeIsCreatedSuccessfully) {
         exchangeViewModel.reset();
-        Navigator.of(context).pushNamed(Routes.exchangeConfirm);
+        (exchangeViewModel.tradesStore.trade?.provider == ExchangeProviderDescription.thorChain)
+            ? Navigator.of(context).pushReplacementNamed(Routes.exchangeTrade)
+            : Navigator.of(context).pushReplacementNamed(Routes.exchangeConfirm);
       }
     });
 
@@ -470,6 +474,13 @@ class ExchangePage extends BasePage {
       if (depositAmountController.text != exchangeViewModel.depositAmount &&
           depositAmountController.text != S.of(context).all) {
         exchangeViewModel.isSendAllEnabled = false;
+        final isThorChain = exchangeViewModel.selectedProviders
+            .any((provider) => provider is ThorChainExchangeProvider);
+
+        _depositAmountDebounce = isThorChain
+            ? Debounce(Duration(milliseconds: 1000))
+            : Debounce(Duration(milliseconds: 500));
+
         _depositAmountDebounce.run(() {
           exchangeViewModel.changeDepositAmount(amount: depositAmountController.text);
           exchangeViewModel.isReceiveAmountEntered = false;

lib/store/dashboard/trade_filter_store.dart

@@ -3,18 +3,20 @@ import 'package:cake_wallet/view_model/dashboard/trade_list_item.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:mobx/mobx.dart';
 
-part'trade_filter_store.g.dart';
+part 'trade_filter_store.g.dart';
 
 class TradeFilterStore = TradeFilterStoreBase with _$TradeFilterStore;
 
 abstract class TradeFilterStoreBase with Store {
-  TradeFilterStoreBase() : displayXMRTO = true,
+  TradeFilterStoreBase()
+      : displayXMRTO = true,
         displayChangeNow = true,
         displaySideShift = true,
         displayMorphToken = true,
         displaySimpleSwap = true,
         displayTrocador = true,
-        displayExolix = true;
+        displayExolix = true,
+        displayThorChain = true;
 
   @observable
   bool displayXMRTO;
@@ -37,8 +39,17 @@ abstract class TradeFilterStoreBase with Store {
   @observable
   bool displayExolix;
 
+  @observable
+  bool displayThorChain;
+
   @computed
-  bool get displayAllTrades => displayChangeNow && displaySideShift && displaySimpleSwap && displayTrocador && displayExolix;
+  bool get displayAllTrades =>
+      displayChangeNow &&
+      displaySideShift &&
+      displaySimpleSwap &&
+      displayTrocador &&
+      displayExolix &&
+      displayThorChain;
 
   @action
   void toggleDisplayExchange(ExchangeProviderDescription provider) {
@@ -64,6 +75,9 @@ abstract class TradeFilterStoreBase with Store {
       case ExchangeProviderDescription.exolix:
         displayExolix = !displayExolix;
         break;
+      case ExchangeProviderDescription.thorChain:
+        displayThorChain = !displayThorChain;
+        break;
       case ExchangeProviderDescription.all:
         if (displayAllTrades) {
           displayChangeNow = false;
@@ -73,6 +87,7 @@ abstract class TradeFilterStoreBase with Store {
           displaySimpleSwap = false;
           displayTrocador = false;
           displayExolix = false;
+          displayThorChain = false;
         } else {
           displayChangeNow = true;
           displaySideShift = true;
@@ -81,6 +96,7 @@ abstract class TradeFilterStoreBase with Store {
           displaySimpleSwap = true;
           displayTrocador = true;
           displayExolix = true;
+          displayThorChain = true;
         }
         break;
     }
@@ -96,16 +112,13 @@ 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))
+                (displayExolix && item.trade.provider == ExchangeProviderDescription.exolix) ||
+                (displayThorChain && item.trade.provider == ExchangeProviderDescription.thorChain))
             .toList()
         : _trades;
   }

lib/view_model/anonpay_details_view_model.dart

@@ -71,7 +71,7 @@ abstract class AnonpayDetailsViewModelBase with Store {
     ]);
 
     items.add(TrackTradeListItem(
-        title: 'Track',
+        title: S.current.track,
         value: invoiceDetail.clearnetStatusUrl,
         onTap: () => launchUrlString(invoiceDetail.clearnetStatusUrl)));
   }

lib/view_model/dashboard/dashboard_view_model.dart

@@ -120,6 +120,11 @@ abstract class DashboardViewModelBase with Store {
                 caption: ExchangeProviderDescription.exolix.title,
                 onChanged: () =>
                     tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.exolix)),
+            FilterItem(
+                value: () => tradeFilterStore.displayThorChain,
+                caption: ExchangeProviderDescription.thorChain.title,
+                onChanged: () =>
+                    tradeFilterStore.toggleDisplayExchange(ExchangeProviderDescription.thorChain)),
           ]
         },
         subname = '',

lib/view_model/exchange/exchange_trade_view_model.dart

@@ -6,6 +6,7 @@ import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/exolix_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/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -47,6 +48,9 @@ abstract class ExchangeTradeViewModelBase with Store {
       case ExchangeProviderDescription.exolix:
         _provider = ExolixExchangeProvider();
         break;
+      case ExchangeProviderDescription.thorChain:
+        _provider = ThorChainExchangeProvider(tradesStore: trades);
+        break;
     }
 
     _updateItems();
@@ -100,8 +104,13 @@ abstract class ExchangeTradeViewModelBase with Store {
     final output = sendViewModel.outputs.first;
     output.address = trade.inputAddress ?? '';
     output.setCryptoAmount(trade.amount);
+    if (_provider is ThorChainExchangeProvider) output.memo = trade.memo;
     sendViewModel.selectedCryptoCurrency = trade.from;
-    await sendViewModel.createTransaction();
+    final pendingTransaction = await sendViewModel.createTransaction(provider: _provider);
+    if (_provider is ThorChainExchangeProvider) {
+      trade.id = pendingTransaction?.id ?? '';
+      trades.add(trade);
+    }
   }
 
   @action
@@ -127,6 +136,8 @@ abstract class ExchangeTradeViewModelBase with Store {
         tradesStore.trade!.from.tag != null ? '${tradesStore.trade!.from.tag}' + ' ' : '';
     final tagTo = tradesStore.trade!.to.tag != null ? '${tradesStore.trade!.to.tag}' + ' ' : '';
     items.clear();
+
+   if(trade.provider != ExchangeProviderDescription.thorChain)
     items.add(ExchangeTradeItem(
         title: "${trade.provider.title} ${S.current.id}", data: '${trade.id}', isCopied: true));
 

lib/view_model/exchange/exchange_view_model.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:collection';
 import 'dart:convert';
 
+import 'package:bitcoin_base/bitcoin_base.dart';
 import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
@@ -9,6 +10,7 @@ import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/entities/wallet_contact.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/exchange/exchange_provider_description.dart';
 import 'package:cake_wallet/exchange/exchange_template.dart';
 import 'package:cake_wallet/exchange/exchange_trade_state.dart';
 import 'package:cake_wallet/exchange/limits.dart';
@@ -18,6 +20,7 @@ import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/exolix_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/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/exchange/trade_request.dart';
@@ -96,7 +99,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
 
     /// if the provider is not in the user settings (user's first time or newly added provider)
     /// then use its default value decided by us
-    selectedProviders = ObservableList.of(providersForCurrentPair()
+    selectedProviders = ObservableList.of(providerList
         .where((element) => exchangeProvidersSelection[element.title] == null
             ? element.isEnabled
             : (exchangeProvidersSelection[element.title] as bool))
@@ -148,6 +151,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
         SimpleSwapExchangeProvider(),
         TrocadorExchangeProvider(
             useTorOnly: _useTorOnly, providerStates: _settingsStore.trocadorProviderStates),
+        ThorChainExchangeProvider(tradesStore: trades),
         if (FeatureFlag.isExolixEnabled) ExolixExchangeProvider(),
       ];
 
@@ -496,8 +500,16 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
                   await provider.createTrade(request: request, isFixedRateMode: isFixedRateMode);
               trade.walletId = wallet.id;
               trade.fromWalletAddress = wallet.walletAddresses.address;
+
+              if (!isCanCreateTrade(trade)) {
+                tradeState = TradeIsCreatedFailure(
+                    title: S.current.trade_not_created,
+                    error: S.current.thorchain_taproot_address_not_supported);
+                return;
+              }
+
               tradesStore.setTrade(trade);
-              await trades.add(trade);
+              if (trade.provider != ExchangeProviderDescription.thorChain) await trades.add(trade);
               tradeState = TradeIsCreatedSuccessfully(trade: trade);
 
               /// return after the first successful trade
@@ -749,4 +761,17 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
   int get depositMaxDigits => depositCurrency.decimals;
 
   int get receiveMaxDigits => receiveCurrency.decimals;
+
+  bool isCanCreateTrade(Trade trade) {
+    if (trade.provider == ExchangeProviderDescription.thorChain) {
+      final payoutAddress = trade.payoutAddress ?? '';
+      final fromWalletAddress = trade.fromWalletAddress ?? '';
+      final tapRootPattern = RegExp(P2trAddress.regex.pattern);
+
+      if (tapRootPattern.hasMatch(payoutAddress) || tapRootPattern.hasMatch(fromWalletAddress)) {
+        return false;
+      }
+    }
+    return true;
+  }
 }

lib/view_model/order_details_view_model.dart

@@ -99,7 +99,7 @@ abstract class OrderDetailsViewModelBase with Store {
         final buildURL = trackUrl + '${order.transferId}';
         items.add(
             TrackTradeListItem(
-                title: 'Track',
+                title: S.current.track,
                 value: buildURL,
                 onTap: () {
                   try {

lib/view_model/send/output.dart

@@ -66,6 +66,8 @@ abstract class OutputBase with Store {
   @observable
   String extractedAddress;
 
+  String? memo;
+
   @computed
   bool get isParsedAddress =>
       parsedAddress.parseFrom != ParseFrom.notParsed && parsedAddress.name.isNotEmpty;
@@ -175,6 +177,7 @@ abstract class OutputBase with Store {
     fiatAmount = '';
     address = '';
     note = '';
+    memo = null;
     resetParsedAddress();
   }
 

lib/view_model/send/send_view_model.dart

@@ -2,6 +2,8 @@ import 'package:cake_wallet/entities/contact.dart';
 import 'package:cake_wallet/entities/priority_for_wallet_type.dart';
 import 'package:cake_wallet/entities/transaction_description.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
+import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
+import 'package:cake_wallet/exchange/provider/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/entities/contact_record.dart';
@@ -296,14 +298,20 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
   }
 
   @action
-  Future<void> createTransaction() async {
+  Future<PendingTransaction?> createTransaction({ExchangeProvider? provider}) async {
     try {
       state = IsExecutingState();
       pendingTransaction = await wallet.createTransaction(_credentials());
+      if (provider is ThorChainExchangeProvider) {
+        final outputCount = pendingTransaction?.outputCount ?? 0;
+        if (outputCount > 10) throw Exception("ThorChain does not support more than 10 outputs");
+      }
       state = ExecutedSuccessfullyState();
+      return pendingTransaction;
     } catch (e) {
       print('Failed with ${e.toString()}');
       state = FailureState(e.toString());
+      return null;
     }
   }
 

lib/view_model/trade_details_view_model.dart

@@ -6,6 +6,7 @@ import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/exolix_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/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/exchange/provider/trocador_exchange_provider.dart';
 import 'package:cake_wallet/exchange/trade.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -52,6 +53,9 @@ abstract class TradeDetailsViewModelBase with Store {
       case ExchangeProviderDescription.exolix:
         _provider = ExolixExchangeProvider();
         break;
+      case ExchangeProviderDescription.thorChain:
+        _provider = ThorChainExchangeProvider(tradesStore: trades);
+        break;
     }
 
     _updateItems();
@@ -62,6 +66,24 @@ abstract class TradeDetailsViewModelBase with Store {
     }
   }
 
+  static String? getTrackUrl(ExchangeProviderDescription provider, Trade trade) {
+    switch (provider) {
+      case ExchangeProviderDescription.changeNow:
+        return 'https://changenow.io/exchange/txs/${trade.id}';
+      case ExchangeProviderDescription.sideShift:
+        return 'https://sideshift.ai/orders/${trade.id}';
+      case ExchangeProviderDescription.simpleSwap:
+        return 'https://simpleswap.io/exchange?id=${trade.id}';
+      case ExchangeProviderDescription.trocador:
+        return 'https://trocador.app/en/checkout/${trade.id}';
+      case ExchangeProviderDescription.exolix:
+        return 'https://exolix.com/transaction/${trade.id}';
+      case ExchangeProviderDescription.thorChain:
+        return 'https://track.ninerealms.com/${trade.id}';
+    }
+    return null;
+  }
+
   final Box<Trade> trades;
 
   @observable
@@ -125,46 +147,26 @@ abstract class TradeDetailsViewModelBase with Store {
     items.add(StandartListItem(
         title: S.current.trade_details_provider, value: trade.provider.toString()));
 
-    if (trade.provider == ExchangeProviderDescription.changeNow) {
-      final buildURL = 'https://changenow.io/exchange/txs/${trade.id.toString()}';
+    final trackUrl = TradeDetailsViewModelBase.getTrackUrl(trade.provider, trade);
+    if (trackUrl != null) {
       items.add(TrackTradeListItem(
-          title: 'Track',
-          value: buildURL,
-          onTap: () {
-            _launchUrl(buildURL);
-          }));
+          title: S.current.track, value: trackUrl, onTap: () => _launchUrl(trackUrl)));
     }
 
-    if (trade.provider == ExchangeProviderDescription.sideShift) {
-      final buildURL = 'https://sideshift.ai/orders/${trade.id.toString()}';
-      items.add(
-          TrackTradeListItem(title: 'Track', value: buildURL, onTap: () => _launchUrl(buildURL)));
-    }
-
-    if (trade.provider == ExchangeProviderDescription.simpleSwap) {
-      final buildURL = 'https://simpleswap.io/exchange?id=${trade.id.toString()}';
-      items.add(
-          TrackTradeListItem(title: 'Track', value: buildURL, onTap: () => _launchUrl(buildURL)));
+    if (trade.isRefund == true) {
+      items.add(StandartListItem(
+          title: 'Refund', value: trade.refundAddress ?? ''));
     }
 
     if (trade.provider == ExchangeProviderDescription.trocador) {
-      final buildURL = 'https://trocador.app/en/checkout/${trade.id.toString()}';
-      items.add(
-          TrackTradeListItem(title: 'Track', value: buildURL, onTap: () => _launchUrl(buildURL)));
-
       items.add(StandartListItem(
           title: '${trade.providerName} ${S.current.id.toUpperCase()}',
           value: trade.providerId ?? ''));
 
-      if (trade.password != null && trade.password!.isNotEmpty)
+      if (trade.password != null && trade.password!.isNotEmpty) {
         items.add(StandartListItem(
             title: '${trade.providerName} ${S.current.password}', value: trade.password ?? ''));
-    }
-
-    if (trade.provider == ExchangeProviderDescription.exolix) {
-      final buildURL = 'https://exolix.com/transaction/${trade.id.toString()}';
-      items.add(
-          TrackTradeListItem(title: 'Track', value: buildURL, onTap: () => _launchUrl(buildURL)));
+      }
     }
   }