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004 mostro p2p client #59

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Merged
grunch merged 4 commits into from
Mar 30, 2026
Merged

004 mostro p2p client #59

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ae68a08
feat(us7): phase 9 — seller trade flow, pay invoice, release confirma…
grunch Mar 30, 2026
a8699c4
fix(phase9): apply code review — unused callbacks, clipboard await,
grunch Mar 30, 2026
48e8517
fix(phase9): wire release/fiat_sent actions, share buttons, error han…
grunch Mar 30, 2026
2a18c5b
docs(tasks): add status legend and mark partial tasks with [~]
grunch Mar 30, 2026
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6 changes: 4 additions & 2 deletions lib/core/app_routes.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import 'package:mostro/features/home/screens/home_screen.dart';
import 'package:mostro/features/notifications/screens/notifications_screen.dart';
import 'package:mostro/features/order/screens/add_lightning_invoice_screen.dart';
import 'package:mostro/features/order/screens/add_order_screen.dart';
import 'package:mostro/features/order/screens/pay_lightning_invoice_screen.dart';
import 'package:mostro/features/order/screens/take_order_screen.dart';
import 'package:mostro/features/trades/screens/trade_detail_screen.dart';
import 'package:mostro/features/walkthrough/providers/first_run_provider.dart';
Expand Down Expand Up @@ -124,8 +125,9 @@ final GoRouter appRouter = GoRouter(
),
GoRoute(
path: AppRoute.payInvoice,
builder: (context, state) =>
_Stub('Pay Invoice — ${state.pathParameters['orderId']}'),
builder: (context, state) => PayLightningInvoiceScreen(
orderId: state.pathParameters['orderId']!,
),
),
GoRoute(
path: AppRoute.addInvoice,
Expand Down
222 changes: 222 additions & 0 deletions lib/features/order/screens/pay_lightning_invoice_screen.dart
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Original file line number Diff line number Diff line change
@@ -0,0 +1,222 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:share_plus/share_plus.dart';

import 'package:mostro/core/app_routes.dart';
import 'package:mostro/core/app_theme.dart';

/// Pay Lightning Invoice screen — Route `/pay_invoice/:orderId`.
///
/// Shows a QR code for the hold invoice that the seller must pay.
/// Seller pays externally → Mostro detects payment → trade goes active.
class PayLightningInvoiceScreen extends ConsumerStatefulWidget {
const PayLightningInvoiceScreen({super.key, required this.orderId});

final String orderId;

@override
ConsumerState<PayLightningInvoiceScreen> createState() =>
_PayLightningInvoiceScreenState();
}

class _PayLightningInvoiceScreenState
extends ConsumerState<PayLightningInvoiceScreen> {
// TODO(bridge): Replace with real invoice from trade provider once
// Dart bridge exposes TradeInfo.hold_invoice for widget.orderId.
// Subscribe to trade status stream and navigate on payment confirmation.
final _mockInvoice =
'lnbc1500n1pj9nr7mpp5xz80dm6k5tqasn3nyh3e6fqzmtqpy0xf5h9m7y0yr5'
'n4dqwk4esdqqcqzzsxqyz5vqsp5usyc4lg3dxp3skyhw5e8vy5w6v7kw6mxhf'
'jyzpnpryz4jns7qs9qyyssqjrvz0waerp2g3kx6k2neqfmfp2sxlm0n3m';

bool _waiting = false;

void _simulatePaymentDetected() {
setState(() => _waiting = true);
Future.delayed(const Duration(seconds: 2), () {
if (!mounted) return;
context.go(AppRoute.tradeDetailPath(widget.orderId));
});
}

@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final colors = theme.extension<AppColors>();
final green = colors?.mostroGreen ?? const Color(0xFF8CC63F);
final cardBg = colors?.backgroundCard ?? const Color(0xFF1E2230);

return Scaffold(
appBar: AppBar(title: const Text('Pay Lightning Invoice')),
body: Padding(
padding: const EdgeInsets.all(AppSpacing.lg),
child: Column(
children: [
// Info card with QR
Expanded(
child: Container(
width: double.infinity,
padding: const EdgeInsets.all(AppSpacing.lg),
decoration: BoxDecoration(
color: cardBg,
borderRadius: BorderRadius.circular(AppRadius.card),
),
child: Column(
children: [
Row(
children: [
Icon(Icons.bolt, color: green, size: 24),
const SizedBox(width: AppSpacing.sm),
Expanded(
child: Text(
'Pay this hold invoice to start the trade',
style: theme.textTheme.bodyMedium,
),
),
],
),
const SizedBox(height: AppSpacing.xl),

// QR Code
Expanded(
child: Center(
child: Container(
padding: const EdgeInsets.all(AppSpacing.md),
decoration: BoxDecoration(
color: Colors.white,
borderRadius:
BorderRadius.circular(AppRadius.card),
),
child: QrImageView(
data: _mockInvoice,
size: 200,
backgroundColor: Colors.white,
semanticsLabel: 'Lightning invoice QR code',
),
),
),
),
const SizedBox(height: AppSpacing.lg),

// Copy + Share buttons
Row(
children: [
Expanded(
child: FilledButton.icon(
onPressed: () async {
await Clipboard.setData(
ClipboardData(text: _mockInvoice),
);
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Invoice copied'),
duration: Duration(seconds: 1),
),
);
},
icon: const Icon(Icons.copy, size: 16),
label: const Text('Copy'),
style: FilledButton.styleFrom(
backgroundColor: green,
foregroundColor: Colors.black,
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(AppRadius.button),
),
),
),
),
const SizedBox(width: AppSpacing.sm),
Expanded(
child: FilledButton.icon(
onPressed: () async {
try {
await SharePlus.instance
.share(ShareParams(text: _mockInvoice));
} catch (e) {
if (!context.mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Share failed: $e'),
),
);
}
},
icon: const Icon(Icons.share, size: 16),
label: const Text('Share'),
style: FilledButton.styleFrom(
backgroundColor: green,
foregroundColor: Colors.black,
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(AppRadius.button),
),
),
),
),
],
),
],
),
),
),
const SizedBox(height: AppSpacing.lg),

// Waiting indicator or Cancel button
if (_waiting)
Column(
children: [
CircularProgressIndicator(color: green),
const SizedBox(height: AppSpacing.sm),
Text(
'Waiting for payment confirmation...',
style: TextStyle(color: colors?.textSecondary),
),
],
)
else
SizedBox(
width: double.infinity,
child: OutlinedButton(
onPressed: () => context.pop(),
style: OutlinedButton.styleFrom(
foregroundColor:
colors?.destructiveRed ?? const Color(0xFFD84D4D),
side: BorderSide(
color:
colors?.destructiveRed ?? const Color(0xFFD84D4D),
),
minimumSize: const Size(0, 48),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppRadius.button),
),
),
child: const Text('Cancel'),
),
),

// Hidden dev button to simulate payment (TODO: remove when wired)
if (!_waiting)
Padding(
padding: const EdgeInsets.only(top: AppSpacing.sm),
child: TextButton(
onPressed: _simulatePaymentDetected,
child: Text(
'Simulate payment (dev)',
style: TextStyle(
color: colors?.textSubtle,
fontSize: 11,
),
),
),
),
],
),
),
);
}
}
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