Integrate Send/Receive Chain Swap (#46, #47)

* Update dependencies to latest
* Create ChainSwap Bloc
* Apply BigInt/int changes on payment errors
* Integrate Receive Chain Swap
* Integrate Send Chain Swap

ios/Podfile.lock

@@ -8,39 +8,39 @@ PODS:
     - FlutterMacOS
   - device_info_plus (0.0.1):
     - Flutter
-  - Firebase/CoreOnly (10.27.0):
-    - FirebaseCore (= 10.27.0)
-  - Firebase/DynamicLinks (10.27.0):
+  - Firebase/CoreOnly (10.28.0):
+    - FirebaseCore (= 10.28.0)
+  - Firebase/DynamicLinks (10.28.0):
     - Firebase/CoreOnly
-    - FirebaseDynamicLinks (~> 10.27.0)
-  - Firebase/Messaging (10.27.0):
+    - FirebaseDynamicLinks (~> 10.28.0)
+  - Firebase/Messaging (10.28.0):
     - Firebase/CoreOnly
-    - FirebaseMessaging (~> 10.27.0)
-  - firebase_core (3.1.1):
-    - Firebase/CoreOnly (= 10.27.0)
+    - FirebaseMessaging (~> 10.28.0)
+  - firebase_core (3.2.0):
+    - Firebase/CoreOnly (= 10.28.0)
     - Flutter
-  - firebase_dynamic_links (6.0.2):
-    - Firebase/DynamicLinks (= 10.27.0)
+  - firebase_dynamic_links (6.0.3):
+    - Firebase/DynamicLinks (= 10.28.0)
     - firebase_core
     - Flutter
-  - firebase_messaging (15.0.2):
-    - Firebase/Messaging (= 10.27.0)
+  - firebase_messaging (15.0.3):
+    - Firebase/Messaging (= 10.28.0)
     - firebase_core
     - Flutter
-  - FirebaseCore (10.27.0):
+  - FirebaseCore (10.28.0):
     - FirebaseCoreInternal (~> 10.0)
     - GoogleUtilities/Environment (~> 7.12)
     - GoogleUtilities/Logger (~> 7.12)
-  - FirebaseCoreInternal (10.28.0):
+  - FirebaseCoreInternal (10.29.0):
     - "GoogleUtilities/NSData+zlib (~> 7.8)"
-  - FirebaseDynamicLinks (10.27.0):
+  - FirebaseDynamicLinks (10.28.0):
     - FirebaseCore (~> 10.0)
-  - FirebaseInstallations (10.28.0):
+  - FirebaseInstallations (10.29.0):
     - FirebaseCore (~> 10.0)
     - GoogleUtilities/Environment (~> 7.8)
     - GoogleUtilities/UserDefaults (~> 7.8)
     - PromisesObjC (~> 2.1)
-  - FirebaseMessaging (10.27.0):
+  - FirebaseMessaging (10.28.0):
     - FirebaseCore (~> 10.0)
     - FirebaseInstallations (~> 10.0)
     - GoogleDataTransport (~> 9.3)
@@ -50,7 +50,8 @@ PODS:
     - GoogleUtilities/UserDefaults (~> 7.8)
     - nanopb (< 2.30911.0, >= 2.30908.0)
   - Flutter (1.0.0)
-  - flutter_breez_liquid (0.1.0)
+  - flutter_breez_liquid (0.1.0):
+    - Flutter
   - flutter_fgbg (0.0.1):
     - Flutter
   - flutter_inappwebview_ios (0.0.1):
@@ -289,17 +290,17 @@ SPEC CHECKSUMS:
   clipboard_watcher: 86fb70421aca6f4944e0591a8292605da7784666
   connectivity_plus: ddd7f30999e1faaef5967c23d5b6d503d10434db
   device_info_plus: 97af1d7e84681a90d0693e63169a5d50e0839a0d
-  Firebase: 26b040b20866a55f55eb3611b9fcf3ae64816b86
-  firebase_core: f8d0424c45e0f1e596811085fc12c638d628457c
-  firebase_dynamic_links: 8a142e279cd3d683bbb8d501d0ff5521d72a8616
-  firebase_messaging: 8b29edaf5adfd3b52b5bfa5af8128c44164670c6
-  FirebaseCore: a2b95ae4ce7c83ceecfbbbe3b6f1cddc7415a808
-  FirebaseCoreInternal: 58d07f1362fddeb0feb6a857d1d1d1c5e558e698
-  FirebaseDynamicLinks: 087bf18ffabe8b6abe0c80301fd16ba2225ce373
-  FirebaseInstallations: 60c1d3bc1beef809fd1ad1189a8057a040c59f2e
-  FirebaseMessaging: 585984d0a1df120617eb10b44cad8968b859815e
+  Firebase: 5121c624121af81cbc81df3bda414b3c28c4f3c3
+  firebase_core: a9d0180d5285527884d07a41eb4a9ec9ed12cdb6
+  firebase_dynamic_links: ef37ec989592ed84f0bbcf2d2f938d4407bee1c2
+  firebase_messaging: ccc82a143a74de75f440a4e413dbbb37ec3fddbc
+  FirebaseCore: 857dc1c6dd1255675047404d8466f7dfaac5d779
+  FirebaseCoreInternal: df84dd300b561c27d5571684f389bf60b0a5c934
+  FirebaseDynamicLinks: f6a65ece086df7d8366400b8bb99e50dd2659ad4
+  FirebaseInstallations: 913cf60d0400ebd5d6b63a28b290372ab44590dd
+  FirebaseMessaging: 087a7c7cadef7b9239f005bc4db823894844f323
   Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
-  flutter_breez_liquid: b61267976647a385b0446e628fe69421153513f7
+  flutter_breez_liquid: 707cf69d42f3efbe37836a6fc0d1e7ea7d400e4b
   flutter_fgbg: 31c0d1140a131daea2d342121808f6aa0dcd879d
   flutter_inappwebview_ios: 97215cf7d4677db55df76782dbd2930c5e1c1ea0
   flutter_keyboard_visibility: 0339d06371254c3eb25eeb90ba8d17dca8f9c069

lib/bloc/account/payment_error.dart

@@ -1,13 +1,13 @@
 class PaymentExceededLimitError implements Exception {
-  final int limitSat;
+  final BigInt limitSat;
 
   const PaymentExceededLimitError(
     this.limitSat,
   );
 }
 
 class PaymentBelowLimitError implements Exception {
-  final int limitSat;
+  final BigInt limitSat;
 
   const PaymentBelowLimitError(
     this.limitSat,
@@ -35,15 +35,15 @@ class PaymentBelowSetupFeesError implements Exception {
 }
 
 class PaymentExceedLiquidityError implements Exception {
-  final int limitSat;
+  final BigInt limitSat;
 
   const PaymentExceedLiquidityError(
     this.limitSat,
   );
 }
 
 class PaymentExcededLiqudityChannelCreationNotPossibleError implements Exception {
-  final int limitSat;
+  final BigInt limitSat;
 
   const PaymentExcededLiqudityChannelCreationNotPossibleError(
     this.limitSat,

lib/bloc/chainswap/chainswap_bloc.dart

@@ -0,0 +1,63 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+import 'package:l_breez/bloc/account/breez_sdk_liquid.dart';
+import 'package:l_breez/bloc/account/payment_error.dart';
+import 'package:l_breez/bloc/chainswap/chainswap_state.dart';
+
+class ChainSwapBloc extends Cubit<ChainSwapState> {
+  final BreezSDKLiquid _liquidSdk;
+
+  ChainSwapBloc(this._liquidSdk) : super(ChainSwapState.initial());
+
+  Future<OnchainPaymentLimitsResponse> fetchOnchainLimits() async {
+    return await _liquidSdk.instance!.fetchOnchainLimits();
+  }
+
+  Future<PreparePayOnchainResponse> preparePayOnchain({
+    required PreparePayOnchainRequest req,
+  }) async {
+    return await _liquidSdk.instance!.preparePayOnchain(req: req);
+  }
+
+  Future<SendPaymentResponse> payOnchain({
+    required PayOnchainRequest req,
+  }) async {
+    return await _liquidSdk.instance!.payOnchain(req: req);
+  }
+
+  Future<PrepareReceiveOnchainResponse> prepareReceiveOnchain({
+    required PrepareReceiveOnchainRequest req,
+  }) async {
+    return await _liquidSdk.instance!.prepareReceiveOnchain(req: req);
+  }
+
+  Future<ReceiveOnchainResponse> receiveOnchain({
+    required PrepareReceiveOnchainResponse req,
+  }) async {
+    return await _liquidSdk.instance!.receiveOnchain(req: req);
+  }
+
+  Future<RefundResponse> refund({
+    required RefundRequest req,
+  }) async {
+    return await _liquidSdk.instance!.refund(req: req);
+  }
+
+  Future<void> rescanOnchainSwaps() async {
+    return await _liquidSdk.instance!.rescanOnchainSwaps();
+  }
+
+  void validateSwap(
+    BigInt amount,
+    bool outgoing,
+    OnchainPaymentLimitsResponse onchainLimits,
+  ) {
+    var limits = outgoing ? onchainLimits.send : onchainLimits.receive;
+    if (amount > limits.maxSat) {
+      throw PaymentExceededLimitError(limits.maxSat);
+    }
+    if (amount < limits.minSat) {
+      throw PaymentBelowLimitError(limits.minSat);
+    }
+  }
+}

lib/bloc/chainswap/chainswap_state.dart

@@ -0,0 +1,5 @@
+class ChainSwapState {
+  ChainSwapState();
+
+  ChainSwapState.initial() : this();
+}

lib/main.dart

@@ -12,6 +12,7 @@ import 'package:hydrated_bloc/hydrated_bloc.dart';
 import 'package:l_breez/bloc/account/account_bloc.dart';
 import 'package:l_breez/bloc/account/credentials_manager.dart';
 import 'package:l_breez/bloc/backup/backup_bloc.dart';
+import 'package:l_breez/bloc/chainswap/chainswap_bloc.dart';
 import 'package:l_breez/bloc/currency/currency_bloc.dart';
 import 'package:l_breez/bloc/input/input_bloc.dart';
 import 'package:l_breez/bloc/lnurl/lnurl_bloc.dart';
@@ -90,6 +91,9 @@ void main() async {
           BlocProvider<LnUrlBloc>(
             create: (BuildContext context) => LnUrlBloc(injector.liquidSDK),
           ),
+          BlocProvider<ChainSwapBloc>(
+            create: (BuildContext context) => ChainSwapBloc(injector.liquidSDK),
+          ),
         ],
         child: UserApp(),
       ),