Integrate Send Chain Swap

lib/routes/chainswap/send/fee/fee_breakdown/fee_breakdown.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+import 'package:l_breez/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/recipient_amount.dart';
+import 'package:l_breez/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/sender_amount.dart';
+import 'package:l_breez/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/transaction_fee.dart';
+
+class FeeBreakdown extends StatelessWidget {
+  final PreparePayOnchainResponse feeOption;
+
+  const FeeBreakdown({required this.feeOption, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final themeData = Theme.of(context);
+
+    return Container(
+      decoration: BoxDecoration(
+        borderRadius: const BorderRadius.all(Radius.circular(5.0)),
+        border: Border.all(
+          color: themeData.colorScheme.onSurface.withOpacity(0.4),
+        ),
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          SenderAmount(amountSat: (feeOption.receiverAmountSat + feeOption.feesSat).toInt()),
+          TransactionFee(txFeeSat: feeOption.feesSat.toInt()),
+          RecipientAmount(amountSat: feeOption.receiverAmountSat.toInt())
+        ],
+      ),
+    );
+  }
+}

lib/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/boltz_service_fee.dart

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+import 'package:auto_size_text/auto_size_text.dart';
+import 'package:breez_translations/breez_translations_locales.dart';
+import 'package:flutter/material.dart';
+import 'package:l_breez/models/currency.dart';
+import 'package:l_breez/utils/min_font_size.dart';
+
+class BoltzServiceFee extends StatelessWidget {
+  final int boltzServiceFee;
+
+  const BoltzServiceFee({required this.boltzServiceFee, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final texts = context.texts();
+    final themeData = Theme.of(context);
+    final minFont = MinFontSize(context);
+
+    return ListTile(
+      title: AutoSizeText(
+        texts.reverse_swap_confirmation_boltz_fee,
+        style: TextStyle(color: Colors.white.withOpacity(0.4)),
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+      trailing: AutoSizeText(
+        texts.reverse_swap_confirmation_boltz_fee_value(
+          BitcoinCurrency.SAT.format(boltzServiceFee),
+        ),
+        style: TextStyle(color: themeData.colorScheme.error.withOpacity(0.4)),
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+    );
+  }
+}

lib/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/recipient_amount.dart

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+import 'package:auto_size_text/auto_size_text.dart';
+import 'package:breez_translations/breez_translations_locales.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:l_breez/bloc/currency/currency_bloc.dart';
+import 'package:l_breez/bloc/currency/currency_state.dart';
+import 'package:l_breez/models/currency.dart';
+import 'package:l_breez/utils/min_font_size.dart';
+
+class RecipientAmount extends StatelessWidget {
+  final int amountSat;
+
+  const RecipientAmount({required this.amountSat, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final texts = context.texts();
+    final themeData = Theme.of(context);
+    final minFont = MinFontSize(context);
+
+    return ListTile(
+      title: AutoSizeText(
+        texts.sweep_all_coins_label_receive,
+        style: const TextStyle(color: Colors.white),
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+      trailing: BlocBuilder<CurrencyBloc, CurrencyState>(builder: (context, currency) {
+        final fiatConversion = currency.fiatConversion();
+
+        return AutoSizeText(
+          fiatConversion == null
+              ? texts.sweep_all_coins_amount_no_fiat(
+                  BitcoinCurrency.SAT.format(amountSat),
+                )
+              : texts.sweep_all_coins_amount_with_fiat(
+                  BitcoinCurrency.SAT.format(amountSat),
+                  fiatConversion.format(amountSat),
+                ),
+          style: TextStyle(color: themeData.colorScheme.error),
+          maxLines: 1,
+          minFontSize: minFont.minFontSize,
+          stepGranularity: 0.1,
+        );
+      }),
+    );
+  }
+}

lib/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/sender_amount.dart

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+import 'package:auto_size_text/auto_size_text.dart';
+import 'package:breez_translations/breez_translations_locales.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:l_breez/bloc/currency/currency_bloc.dart';
+import 'package:l_breez/bloc/currency/currency_state.dart';
+import 'package:l_breez/models/currency.dart';
+import 'package:l_breez/utils/min_font_size.dart';
+
+class SenderAmount extends StatelessWidget {
+  final int amountSat;
+
+  const SenderAmount({required this.amountSat, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final texts = context.texts();
+    final themeData = Theme.of(context);
+    final minFont = MinFontSize(context);
+
+    return ListTile(
+      title: AutoSizeText(
+        texts.sweep_all_coins_label_send,
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+      trailing: BlocBuilder<CurrencyBloc, CurrencyState>(
+        builder: (context, currency) {
+          final fiatConversion = currency.fiatConversion();
+
+          return AutoSizeText(
+            fiatConversion == null
+                ? texts.sweep_all_coins_amount_no_fiat(
+                    BitcoinCurrency.SAT.format(amountSat),
+                  )
+                : texts.sweep_all_coins_amount_with_fiat(
+                    BitcoinCurrency.SAT.format(amountSat),
+                    fiatConversion.format(amountSat),
+                  ),
+            style: TextStyle(color: themeData.colorScheme.error),
+            maxLines: 1,
+            minFontSize: minFont.minFontSize,
+            stepGranularity: 0.1,
+          );
+        },
+      ),
+    );
+  }
+}

lib/routes/chainswap/send/fee/fee_breakdown/widgets/fee_breakdown_widgets/transaction_fee.dart

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+import 'package:auto_size_text/auto_size_text.dart';
+import 'package:breez_translations/breez_translations_locales.dart';
+import 'package:flutter/material.dart';
+import 'package:l_breez/models/currency.dart';
+import 'package:l_breez/utils/min_font_size.dart';
+
+class TransactionFee extends StatelessWidget {
+  final int txFeeSat;
+
+  const TransactionFee({required this.txFeeSat, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final texts = context.texts();
+    final themeData = Theme.of(context);
+    final minFont = MinFontSize(context);
+
+    return ListTile(
+      title: AutoSizeText(
+        texts.sweep_all_coins_label_transaction_fee,
+        style: TextStyle(color: Colors.white.withOpacity(0.4)),
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+      trailing: AutoSizeText(
+        texts.sweep_all_coins_fee(
+          BitcoinCurrency.SAT.format(txFeeSat),
+        ),
+        style: TextStyle(color: themeData.colorScheme.error.withOpacity(0.4)),
+        maxLines: 1,
+        minFontSize: minFont.minFontSize,
+        stepGranularity: 0.1,
+      ),
+    );
+  }
+}

lib/routes/chainswap/send/fee/fee_option.dart

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+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+
+extension PreparePayOnchainResponseAffordable on PreparePayOnchainResponse {
+  bool isAffordable({required int balance}) {
+    return balance >= (receiverAmountSat + feesSat).toInt();
+  }
+}

lib/routes/chainswap/send/send_chainswap_button.dart

@@ -0,0 +1,56 @@
+import 'package:breez_translations/breez_translations_locales.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_breez_liquid/flutter_breez_liquid.dart';
+import 'package:l_breez/bloc/chainswap/chainswap_bloc.dart';
+import 'package:l_breez/utils/exceptions.dart';
+import 'package:l_breez/widgets/error_dialog.dart';
+import 'package:l_breez/widgets/loader.dart';
+import 'package:l_breez/widgets/single_button_bottom_bar.dart';
+
+class SendChainSwapButton extends StatelessWidget {
+  final String recipientAddress;
+  final PreparePayOnchainResponse preparePayOnchainResponse;
+
+  const SendChainSwapButton({
+    super.key,
+    required this.recipientAddress,
+    required this.preparePayOnchainResponse,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final texts = context.texts();
+
+    return SingleButtonBottomBar(
+      text: texts.sweep_all_coins_action_confirm,
+      onPressed: () => _payOnchain(context),
+    );
+  }
+
+  Future _payOnchain(BuildContext context) async {
+    final texts = context.texts();
+    final themeData = Theme.of(context);
+    final chainSwapBloc = context.read<ChainSwapBloc>();
+
+    final navigator = Navigator.of(context);
+    var loaderRoute = createLoaderRoute(context);
+    navigator.push(loaderRoute);
+    try {
+      final req = PayOnchainRequest(address: recipientAddress, prepareRes: preparePayOnchainResponse);
+      await chainSwapBloc.payOnchain(req: req);
+      navigator.pushNamedAndRemoveUntil("/", (Route<dynamic> route) => false);
+    } catch (e) {
+      navigator.pop(loaderRoute);
+      if (!context.mounted) return;
+      promptError(
+        context,
+        null,
+        Text(
+          extractExceptionMessage(e, texts),
+          style: themeData.dialogTheme.contentTextStyle,
+        ),
+      );
+    }
+  }
+}