From 4f8cba6425e58b0553a0f9815e8293287cc9616a Mon Sep 17 00:00:00 2001
From: Erdem Yerebasmaz <erdem@yerebasmaz.com>
Date: Wed, 26 Jun 2024 12:53:39 +0300
Subject: [PATCH] Integrate input parser

closes #22
---
 lib/bloc/input/input_bloc.dart                | 36 ++++---------------
 .../enter_payment_info_dialog.dart            | 12 ++++---
 2 files changed, 13 insertions(+), 35 deletions(-)

diff --git a/lib/bloc/input/input_bloc.dart b/lib/bloc/input/input_bloc.dart
index 7e515c13..83b49c5b 100644
--- a/lib/bloc/input/input_bloc.dart
+++ b/lib/bloc/input/input_bloc.dart
@@ -1,7 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:flutter_breez_liquid/flutter_breez_liquid.dart' as liquid_sdk;
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
 import 'package:l_breez/bloc/input/input_data.dart';
 import 'package:l_breez/bloc/input/input_printer.dart';
 import 'package:l_breez/bloc/input/input_source.dart';
@@ -70,28 +70,10 @@ class InputBloc extends Cubit<InputState> {
       // Emit an empty InputState with isLoading to display a loader on UI layer
       emit(const InputState.loading());
       try {
-        /*
-        final parsedInput = await parseInput(input: input.data);
+        final parsedInput = await parse(input: input.data);
         return await _handleParsedInput(parsedInput, input.source);
-         */
-        final parsedInput = parseInvoice(input: input.data);
-        final req = liquid_sdk.PrepareSendRequest(invoice: parsedInput.bolt11);
-        final resp = await ServiceInjector().liquidSDK.wallet!.prepareSendPayment(req: req);
-        // TODO: Liquid/FRB - Address BigInt & Int changes
-        return InputState.invoice(
-          Invoice(
-            bolt11: resp.invoice,
-            paymentHash: parsedInput.paymentHash,
-            description: parsedInput.description ?? "",
-            amountMsat: parsedInput.amountMsat ?? BigInt.zero,
-            expiry: parsedInput.expiry,
-            lspFee: resp.feesSat.toInt(),
-          ),
-          input.source,
-        );
       } catch (e) {
-        // TODO: Liquid - Revert back to "Failed to parse input" once InputParser is fully integrated into Liquid SDK
-        _log.severe("Failed to prepare Send Payment", e);
+        _log.severe("Failed to parse input", e);
         return const InputState.empty();
       }
     });
@@ -101,10 +83,6 @@ class InputBloc extends Cubit<InputState> {
     _log.info("handlePaymentRequest: $inputData source: $source");
     final LNInvoice lnInvoice = inputData.invoice;
 
-    /*NodeState? nodeState = await _breezSDK.nodeInfo();
-    if (nodeState == null || nodeState.id == lnInvoice.payeePubkey) {
-      return const InputState.empty();
-    }*/
     final invoice = Invoice(
       bolt11: lnInvoice.bolt11,
       paymentHash: lnInvoice.paymentHash,
@@ -115,8 +93,6 @@ class InputBloc extends Cubit<InputState> {
     return InputState.invoice(invoice, source);
   }
 
-  // TODO: Liquid - Implement input parser to parse bolt11 invoice - https://github.com/breez/breez-liquid-sdk/issues/232
-  // ignore: unused_element
   Future<InputState> _handleParsedInput(InputType parsedInput, InputSource source) async {
     _log.info("handleParsedInput: $source => ${inputTypeToString(parsedInput)}");
     InputState result;
@@ -143,8 +119,8 @@ class InputBloc extends Cubit<InputState> {
     return result;
   }
 
-  liquid_sdk.LNInvoice parseInvoice({required String input}) {
-    _log.info("parseInvoice: $input");
-    return liquid_sdk.parseInvoice(input: input);
+  Future<InputType> parseInput({required String input}) async {
+    _log.info("parseInput: $input");
+    return await parse(input: input);
   }
 }
diff --git a/lib/routes/home/widgets/bottom_actions_bar/enter_payment_info_dialog.dart b/lib/routes/home/widgets/bottom_actions_bar/enter_payment_info_dialog.dart
index df8a2b17..d4cdd317 100644
--- a/lib/routes/home/widgets/bottom_actions_bar/enter_payment_info_dialog.dart
+++ b/lib/routes/home/widgets/bottom_actions_bar/enter_payment_info_dialog.dart
@@ -208,13 +208,15 @@ class EnterPaymentInfoDialogState extends State<EnterPaymentInfoDialog> {
     final texts = context.texts();
     try {
       _setValidatorErrorMessage("");
-      // TODO: Liquid - Previously parseInput, parseInvoice only parses LNInvoice's.
-      final inputType = context.read<InputBloc>().parseInvoice(input: input);
+      final inputType = context.read<InputBloc>().parseInput(input: input);
       _log.info("Parsed input type: '${inputType.runtimeType.toString()}");
       // Can't compare against a list of InputType as runtime type comparison is a bit tricky with binding generated enums
-      // TODO: Liquid - Add other supported InputType's once parse_invoice has evolved into parse_input.
-      // ignore: unnecessary_type_check
-      if (inputType is! LNInvoice) {
+      if (!(inputType is InputType_Bolt11 ||
+          inputType is InputType_LnUrlPay ||
+          inputType is InputType_LnUrlWithdraw ||
+          inputType is InputType_LnUrlAuth ||
+          inputType is InputType_LnUrlError ||
+          inputType is InputType_NodeId)) {
         _setValidatorErrorMessage(texts.payment_info_dialog_error_unsupported_input);
       }
     } catch (e) {