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basedFood-app
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nostr publish event fix

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master
gitea 2 months ago
parent 120a04c69f
commit 947fb667cf
7 changed files with 201 additions and 453 deletions
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32
lib/data/nostr/nostr_service.dart
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@ -238,7 +238,7 @@ class NostrService {
} }
} }
/// Publishes an event to all connected relays. /// Publishes an event to all enabled relays.
/// ///
/// [event] - The Nostr event to publish. /// [event] - The Nostr event to publish.
/// ///
@ -247,14 +247,36 @@ class NostrService {
final results = <String, bool>{}; final results = <String, bool>{};
for (final relay in _relays) { for (final relay in _relays) {
if (relay.isConnected) { // Only publish to enabled relays
if (!relay.isEnabled) {
results[relay.url] = false;
continue;
}
// Try to connect if not already connected
if (!relay.isConnected) {
try { try {
await publishEvent(event, relay.url); final stream = await connectRelay(relay.url).timeout(
results[relay.url] = true; const Duration(seconds: 3),
onTimeout: () {
throw Exception('Connection timeout');
},
);
// Start listening to establish connection, then cancel immediately
final subscription = stream.listen(null);
await Future.delayed(const Duration(milliseconds: 100));
subscription.cancel();
} catch (e) { } catch (e) {
results[relay.url] = false; results[relay.url] = false;
continue;
} }
} else { }
// Publish to the relay
try {
await publishEvent(event, relay.url);
results[relay.url] = true;
} catch (e) {
results[relay.url] = false; results[relay.url] = false;
} }
} }

10
lib/data/session/models/user.dart
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@ -20,6 +20,10 @@ class User {
/// Optional Nostr profile data (if logged in via Nostr). /// Optional Nostr profile data (if logged in via Nostr).
final NostrProfile? nostrProfile; final NostrProfile? nostrProfile;
/// Optional Nostr private key (nsec) if logged in with nsec.
/// This is stored to enable event publishing. Only set if user logged in with nsec.
final String? nostrPrivateKey;
/// Creates a [User] instance. /// Creates a [User] instance.
/// ///
/// [id] - Unique identifier for the user. /// [id] - Unique identifier for the user.
@ -27,12 +31,14 @@ class User {
/// [token] - Optional authentication token. /// [token] - Optional authentication token.
/// [createdAt] - Session creation timestamp (defaults to current time). /// [createdAt] - Session creation timestamp (defaults to current time).
/// [nostrProfile] - Optional Nostr profile data. /// [nostrProfile] - Optional Nostr profile data.
/// [nostrPrivateKey] - Optional Nostr private key (nsec) for event publishing.
User({ User({
required this.id, required this.id,
required this.username, required this.username,
this.token, this.token,
int? createdAt, int? createdAt,
this.nostrProfile, this.nostrProfile,
this.nostrPrivateKey,
}) : createdAt = createdAt ?? DateTime.now().millisecondsSinceEpoch; }) : createdAt = createdAt ?? DateTime.now().millisecondsSinceEpoch;
/// Creates a [User] from a Map (e.g., from database or JSON). /// Creates a [User] from a Map (e.g., from database or JSON).
@ -45,6 +51,7 @@ class User {
nostrProfile: map['nostr_profile'] != null nostrProfile: map['nostr_profile'] != null
? NostrProfile.fromJson(map['nostr_profile'] as Map<String, dynamic>) ? NostrProfile.fromJson(map['nostr_profile'] as Map<String, dynamic>)
: null, : null,
nostrPrivateKey: map['nostr_private_key'] as String?,
); );
} }
@ -56,6 +63,7 @@ class User {
'token': token, 'token': token,
'created_at': createdAt, 'created_at': createdAt,
'nostr_profile': nostrProfile?.toJson(), 'nostr_profile': nostrProfile?.toJson(),
'nostr_private_key': nostrPrivateKey,
}; };
} }
@ -66,6 +74,7 @@ class User {
String? token, String? token,
int? createdAt, int? createdAt,
NostrProfile? nostrProfile, NostrProfile? nostrProfile,
String? nostrPrivateKey,
}) { }) {
return User( return User(
id: id ?? this.id, id: id ?? this.id,
@ -73,6 +82,7 @@ class User {
token: token ?? this.token, token: token ?? this.token,
createdAt: createdAt ?? this.createdAt, createdAt: createdAt ?? this.createdAt,
nostrProfile: nostrProfile ?? this.nostrProfile, nostrProfile: nostrProfile ?? this.nostrProfile,
nostrPrivateKey: nostrPrivateKey ?? this.nostrPrivateKey,
); );
} }

8
lib/data/session/session_service.dart
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@ -156,10 +156,15 @@ class SessionService {
try { try {
// Parse the key // Parse the key
NostrKeyPair keyPair; NostrKeyPair keyPair;
String? storedPrivateKey;
if (nsecOrNpub.startsWith('nsec')) { if (nsecOrNpub.startsWith('nsec')) {
keyPair = NostrKeyPair.fromNsec(nsecOrNpub); keyPair = NostrKeyPair.fromNsec(nsecOrNpub);
// Store the nsec for event publishing
storedPrivateKey = nsecOrNpub;
} else if (nsecOrNpub.startsWith('npub')) { } else if (nsecOrNpub.startsWith('npub')) {
keyPair = NostrKeyPair.fromNpub(nsecOrNpub); keyPair = NostrKeyPair.fromNpub(nsecOrNpub);
// No private key available when using npub
storedPrivateKey = null;
} else { } else {
throw SessionException('Invalid Nostr key format. Expected nsec or npub.'); throw SessionException('Invalid Nostr key format. Expected nsec or npub.');
} }
@ -173,11 +178,12 @@ class SessionService {
// Continue without profile - offline-first behavior // Continue without profile - offline-first behavior
} }
// Create user with Nostr profile // Create user with Nostr profile and private key (if available)
final user = User( final user = User(
id: keyPair.publicKey, id: keyPair.publicKey,
username: profile?.displayName ?? keyPair.publicKey.substring(0, 16), username: profile?.displayName ?? keyPair.publicKey.substring(0, 16),
nostrProfile: profile, nostrProfile: profile,
nostrPrivateKey: storedPrivateKey,
); );
// Create user-specific storage paths // Create user-specific storage paths

1
lib/ui/navigation/app_router.dart
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@ -105,6 +105,7 @@ class AppRouter {
builder: (_) => NostrEventsScreen( builder: (_) => NostrEventsScreen(
nostrService: nostrService, nostrService: nostrService,
syncEngine: syncEngine, syncEngine: syncEngine,
sessionService: sessionService,
), ),
settings: settings, settings: settings,
); );

1
lib/ui/navigation/main_navigation_scaffold.dart
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@ -87,6 +87,7 @@ class _MainNavigationScaffoldState extends State<MainNavigationScaffold> {
return NostrEventsScreen( return NostrEventsScreen(
nostrService: widget.nostrService, nostrService: widget.nostrService,
syncEngine: widget.syncEngine, syncEngine: widget.syncEngine,
sessionService: widget.sessionService,
); );
case 3: case 3:
return SessionScreen( return SessionScreen(

481
lib/ui/nostr_events/nostr_events_screen.dart
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@ -1,19 +1,23 @@
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import '../../data/nostr/nostr_service.dart'; import '../../data/nostr/nostr_service.dart';
import '../../data/sync/sync_engine.dart';
import '../../data/session/session_service.dart';
import '../../data/nostr/models/nostr_keypair.dart'; import '../../data/nostr/models/nostr_keypair.dart';
import '../../data/nostr/models/nostr_event.dart'; import '../../data/nostr/models/nostr_event.dart';
import '../../data/nostr/models/nostr_relay.dart'; import '../relay_management/relay_management_screen.dart';
import '../../data/sync/sync_engine.dart'; import '../relay_management/relay_management_controller.dart';
/// Screen for displaying and testing Nostr events. /// Screen for displaying and testing Nostr events.
class NostrEventsScreen extends StatefulWidget { class NostrEventsScreen extends StatefulWidget {
final NostrService? nostrService; final NostrService? nostrService;
final SyncEngine? syncEngine; final SyncEngine? syncEngine;
final SessionService? sessionService;
const NostrEventsScreen({ const NostrEventsScreen({
super.key, super.key,
this.nostrService, this.nostrService,
this.syncEngine, this.syncEngine,
this.sessionService,
}); });
@override @override
@ -21,241 +25,43 @@ class NostrEventsScreen extends StatefulWidget {
} }
class _NostrEventsScreenState extends State<NostrEventsScreen> { class _NostrEventsScreenState extends State<NostrEventsScreen> {
NostrKeyPair? _keyPair;
List<NostrRelay> _relays = [];
Map<String, bool> _connectionStatus = {};
List<String> _events = []; List<String> _events = [];
bool _isLoading = false; bool _isLoading = false;
final TextEditingController _nsecController = TextEditingController();
final TextEditingController _npubController = TextEditingController();
final TextEditingController _hexPrivateKeyController = TextEditingController();
bool _showImportFields = false;
@override
void initState() {
super.initState();
_loadRelays();
_generateKeyPair();
}
@override
void dispose() {
_nsecController.dispose();
_npubController.dispose();
_hexPrivateKeyController.dispose();
super.dispose();
}
void _loadRelays() {
if (widget.nostrService == null) return;
setState(() {
_relays = widget.nostrService!.getRelays();
_connectionStatus = {
for (var relay in _relays) relay.url: relay.isConnected
};
});
}
void _generateKeyPair() {
if (widget.nostrService == null) return;
setState(() {
_keyPair = widget.nostrService!.generateKeyPair();
_nsecController.clear();
_npubController.clear();
_hexPrivateKeyController.clear();
_showImportFields = false;
});
}
void _importFromNsec() {
final nsec = _nsecController.text.trim();
if (nsec.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Please enter an nsec key'),
backgroundColor: Colors.orange,
),
);
return;
}
try {
setState(() {
_keyPair = NostrKeyPair.fromNsec(nsec);
_showImportFields = false;
});
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Keypair imported from nsec'),
backgroundColor: Colors.green,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to import nsec: ${e.toString()}'),
backgroundColor: Colors.red,
),
);
}
}
void _importFromNpub() {
final npub = _npubController.text.trim();
if (npub.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Please enter an npub key'),
backgroundColor: Colors.orange,
),
);
return;
}
try {
setState(() {
_keyPair = NostrKeyPair.fromNpub(npub);
_showImportFields = false;
});
Future<void> _publishTestEvent() async {
if (widget.nostrService == null) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar( ScaffoldMessenger.of(context).showSnackBar(
const SnackBar( const SnackBar(
content: Text('Public key imported from npub (note: cannot sign events without private key)'), content: Text('Nostr service not available'),
backgroundColor: Colors.orange,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to import npub: ${e.toString()}'),
backgroundColor: Colors.red, backgroundColor: Colors.red,
), ),
); );
} }
}
void _importFromHexPrivateKey() {
final hexKey = _hexPrivateKeyController.text.trim();
if (hexKey.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Please enter a hex private key'),
backgroundColor: Colors.orange,
),
);
return; return;
} }
try { // Check if user is logged in with Nostr
setState(() { final currentUser = widget.sessionService?.currentUser;
_keyPair = NostrKeyPair.fromHexPrivateKey(hexKey); if (currentUser == null || currentUser.nostrPrivateKey == null) {
_showImportFields = false;
});
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Keypair imported from hex private key'),
backgroundColor: Colors.green,
),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to import hex key: ${e.toString()}'),
backgroundColor: Colors.red,
),
);
}
}
Future<void> _connectToRelay(String relayUrl) async {
if (widget.nostrService == null) return;
setState(() {
_isLoading = true;
});
try {
await widget.nostrService!.connectRelay(relayUrl).timeout(
const Duration(seconds: 5),
onTimeout: () {
throw Exception('Connection timeout');
},
);
setState(() {
_connectionStatus[relayUrl] = true;
_isLoading = false;
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Connected to $relayUrl'),
backgroundColor: Colors.green,
),
);
}
_loadRelays();
} catch (e) {
setState(() {
_connectionStatus[relayUrl] = false;
_isLoading = false;
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to connect: ${e.toString()}'),
backgroundColor: Colors.red,
),
);
}
}
}
Future<void> _disconnectFromRelay(String relayUrl) async {
if (widget.nostrService == null) return;
widget.nostrService!.disconnectRelay(relayUrl);
setState(() {
_connectionStatus[relayUrl] = false;
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Disconnected from $relayUrl'),
),
);
}
_loadRelays();
}
Future<void> _publishTestEvent() async {
if (widget.nostrService == null || _keyPair == null) {
if (mounted) { if (mounted) {
ScaffoldMessenger.of(context).showSnackBar( ScaffoldMessenger.of(context).showSnackBar(
const SnackBar( const SnackBar(
content: Text('Nostr service or keypair not available'), content: Text('Please log in with Nostr (nsec key) to publish events.'),
backgroundColor: Colors.red, backgroundColor: Colors.orange,
), ),
); );
} }
return; return;
} }
if (_relays.isEmpty) { // Get relays
final relays = widget.nostrService!.getRelays();
if (relays.isEmpty) {
if (mounted) { if (mounted) {
ScaffoldMessenger.of(context).showSnackBar( ScaffoldMessenger.of(context).showSnackBar(
const SnackBar( const SnackBar(
content: Text('No relays configured. Add relays in Settings.'), content: Text('No relays configured. Add relays in Relay Management.'),
backgroundColor: Colors.orange, backgroundColor: Colors.orange,
), ),
); );
@ -267,30 +73,18 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
_isLoading = true; _isLoading = true;
}); });
if (_keyPair!.privateKey.isEmpty) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Cannot publish: No private key available. Import nsec or hex private key.'),
backgroundColor: Colors.red,
),
);
}
setState(() {
_isLoading = false;
});
return;
}
try { try {
// Reconstruct keypair from stored nsec
final keyPair = NostrKeyPair.fromNsec(currentUser.nostrPrivateKey!);
// Create a test event // Create a test event
final event = NostrEvent.create( final event = NostrEvent.create(
content: 'Test event from Flutter app - ${DateTime.now().toIso8601String()}', content: 'Test event from Flutter app - ${DateTime.now().toIso8601String()}',
kind: 1, // Text note kind: 1, // Text note
privateKey: _keyPair!.privateKey, privateKey: keyPair.privateKey,
); );
// Publish to all connected relays // Publish to all enabled relays
final results = await widget.nostrService!.publishEventToAllRelays(event); final results = await widget.nostrService!.publishEventToAllRelays(event);
setState(() { setState(() {
@ -330,16 +124,6 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
return Scaffold( return Scaffold(
appBar: AppBar( appBar: AppBar(
title: const Text('Nostr Events'), title: const Text('Nostr Events'),
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: () {
_loadRelays();
_generateKeyPair();
},
tooltip: 'Refresh',
),
],
), ),
body: _isLoading body: _isLoading
? const Center(child: CircularProgressIndicator()) ? const Center(child: CircularProgressIndicator())
@ -348,10 +132,6 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
child: Column( child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch, crossAxisAlignment: CrossAxisAlignment.stretch,
children: [ children: [
_buildKeyPairSection(),
const SizedBox(height: 24),
_buildRelaysSection(),
const SizedBox(height: 24),
_buildActionsSection(), _buildActionsSection(),
if (_events.isNotEmpty) ...[ if (_events.isNotEmpty) ...[
const SizedBox(height: 24), const SizedBox(height: 24),
@ -363,201 +143,6 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
); );
} }
Widget _buildKeyPairSection() {
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
'Keypair',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
TextButton.icon(
onPressed: () {
setState(() {
_showImportFields = !_showImportFields;
});
},
icon: Icon(_showImportFields ? Icons.visibility_off : Icons.import_export),
label: Text(_showImportFields ? 'Hide Import' : 'Import Key'),
),
],
),
const SizedBox(height: 12),
if (_keyPair != null) ...[
const Text(
'Public Key:',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SelectableText(
_keyPair!.publicKey,
style: const TextStyle(fontSize: 11, fontFamily: 'monospace'),
),
const SizedBox(height: 8),
if (_keyPair!.privateKey.isNotEmpty) ...[
const Text(
'Private Key:',
style: TextStyle(fontSize: 12, fontWeight: FontWeight.bold),
),
SelectableText(
_keyPair!.privateKey,
style: const TextStyle(fontSize: 11, fontFamily: 'monospace'),
),
] else ...[
const Text(
'Private Key: (not available - imported from npub only)',
style: TextStyle(fontSize: 12, color: Colors.orange),
),
],
] else ...[
const Text('No keypair generated'),
],
const SizedBox(height: 12),
if (_showImportFields) ...[
const Divider(),
const SizedBox(height: 8),
const Text(
'Import Key',
style: TextStyle(fontSize: 14, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
TextField(
controller: _nsecController,
decoration: const InputDecoration(
labelText: 'nsec (private key)',
hintText: 'nsec1...',
border: OutlineInputBorder(),
helperText: 'Enter your nsec private key',
),
),
const SizedBox(height: 8),
ElevatedButton(
onPressed: _importFromNsec,
child: const Text('Import from nsec'),
),
const SizedBox(height: 16),
TextField(
controller: _npubController,
decoration: const InputDecoration(
labelText: 'npub (public key)',
hintText: 'npub1...',
border: OutlineInputBorder(),
helperText: 'Enter npub to view only (cannot sign events)',
),
),
const SizedBox(height: 8),
ElevatedButton(
onPressed: _importFromNpub,
child: const Text('Import from npub'),
),
const SizedBox(height: 16),
TextField(
controller: _hexPrivateKeyController,
decoration: const InputDecoration(
labelText: 'Hex Private Key',
hintText: '64 hex characters',
border: OutlineInputBorder(),
helperText: 'Enter private key in hex format (64 characters)',
),
),
const SizedBox(height: 8),
ElevatedButton(
onPressed: _importFromHexPrivateKey,
child: const Text('Import from Hex'),
),
const Divider(),
const SizedBox(height: 8),
],
ElevatedButton.icon(
onPressed: _generateKeyPair,
icon: const Icon(Icons.refresh),
label: const Text('Generate New Keypair'),
),
],
),
),
);
}
Widget _buildRelaysSection() {
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Relays',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 12),
if (_relays.isEmpty)
const Text(
'No relays configured.\nAdd relays in Settings → Relay Management.',
style: TextStyle(color: Colors.grey),
)
else
..._relays.map((relay) => _buildRelayItem(relay)),
],
),
),
);
}
Widget _buildRelayItem(NostrRelay relay) {
final isConnected = _connectionStatus[relay.url] ?? false;
return Card(
margin: const EdgeInsets.only(bottom: 8),
color: isConnected ? Colors.green.shade50 : Colors.grey.shade50,
child: ListTile(
title: Text(
relay.url,
style: const TextStyle(fontSize: 14, fontFamily: 'monospace'),
),
subtitle: Text(
isConnected ? 'Connected' : 'Disconnected',
style: TextStyle(
color: isConnected ? Colors.green : Colors.grey,
),
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
isConnected ? Icons.check_circle : Icons.cancel,
color: isConnected ? Colors.green : Colors.grey,
),
const SizedBox(width: 8),
if (isConnected)
IconButton(
icon: const Icon(Icons.close, size: 20),
onPressed: () => _disconnectFromRelay(relay.url),
tooltip: 'Disconnect',
)
else
IconButton(
icon: const Icon(Icons.play_arrow, size: 20),
onPressed: () => _connectToRelay(relay.url),
tooltip: 'Connect',
),
],
),
),
);
}
Widget _buildActionsSection() { Widget _buildActionsSection() {
return Card( return Card(
child: Padding( child: Padding(
@ -584,13 +169,25 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
const SizedBox(height: 8), const SizedBox(height: 8),
TextButton.icon( TextButton.icon(
onPressed: () { onPressed: () {
// Navigate to Settings where Relay Management is accessible if (widget.nostrService != null && widget.syncEngine != null) {
// The bottom navigation bar will handle switching to Settings tab Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => RelayManagementScreen(
controller: RelayManagementController(
nostrService: widget.nostrService!,
syncEngine: widget.syncEngine!,
),
),
),
);
} else {
ScaffoldMessenger.of(context).showSnackBar( ScaffoldMessenger.of(context).showSnackBar(
const SnackBar( const SnackBar(
content: Text('Go to Settings tab to manage relays'), content: Text('Nostr service not available'),
backgroundColor: Colors.red,
), ),
); );
}
}, },
icon: const Icon(Icons.settings), icon: const Icon(Icons.settings),
label: const Text('Manage Relays'), label: const Text('Manage Relays'),

111
lib/ui/session/session_screen.dart
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@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
import '../../data/session/session_service.dart'; import '../../data/session/session_service.dart';
import '../../data/firebase/firebase_service.dart'; import '../../data/firebase/firebase_service.dart';
import '../../data/nostr/nostr_service.dart'; import '../../data/nostr/nostr_service.dart';
import '../../data/nostr/models/nostr_keypair.dart';
/// Screen for user session management (login/logout). /// Screen for user session management (login/logout).
class SessionScreen extends StatefulWidget { class SessionScreen extends StatefulWidget {
@ -31,6 +32,7 @@ class _SessionScreenState extends State<SessionScreen> {
bool _isLoading = false; bool _isLoading = false;
bool _useFirebaseAuth = false; bool _useFirebaseAuth = false;
bool _useNostrLogin = false; bool _useNostrLogin = false;
NostrKeyPair? _generatedKeyPair;
@override @override
void initState() { void initState() {
@ -437,6 +439,115 @@ class _SessionScreenState extends State<SessionScreen> {
), ),
const SizedBox(height: 24), const SizedBox(height: 24),
if (_useNostrLogin) ...[ if (_useNostrLogin) ...[
// Key pair generation section
if (widget.nostrService != null) ...[
Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text(
'Generate Key Pair',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
ElevatedButton.icon(
onPressed: () {
setState(() {
_generatedKeyPair = widget.nostrService!.generateKeyPair();
});
},
icon: const Icon(Icons.refresh, size: 18),
label: const Text('Generate'),
),
],
),
if (_generatedKeyPair != null) ...[
const SizedBox(height: 16),
// npub display
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'npub (Public Key):',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
SelectableText(
_generatedKeyPair!.toNpub(),
style: const TextStyle(
fontSize: 11,
fontFamily: 'monospace',
),
),
],
),
),
const SizedBox(width: 8),
IconButton(
icon: const Icon(Icons.content_copy),
tooltip: 'Copy to field',
onPressed: () {
_nostrKeyController.text = _generatedKeyPair!.toNpub();
},
),
],
),
const SizedBox(height: 12),
// nsec display
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'nsec (Private Key):',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
SelectableText(
_generatedKeyPair!.toNsec(),
style: const TextStyle(
fontSize: 11,
fontFamily: 'monospace',
),
),
],
),
),
const SizedBox(width: 8),
IconButton(
icon: const Icon(Icons.content_copy),
tooltip: 'Copy to field',
onPressed: () {
_nostrKeyController.text = _generatedKeyPair!.toNsec();
},
),
],
),
],
],
),
),
),
const SizedBox(height: 16),
],
TextField( TextField(
controller: _nostrKeyController, controller: _nostrKeyController,
decoration: const InputDecoration( decoration: const InputDecoration(

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