nostr publish event fix

lib/data/nostr/nostr_service.dart

@@ -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.
   /// 
@@ -247,14 +247,36 @@ class NostrService {
     final results = <String, bool>{};
 
     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 {
-          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) {
           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;
       }
     }

lib/data/session/models/user.dart

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

lib/data/session/session_service.dart

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

lib/ui/navigation/app_router.dart

@@ -105,6 +105,7 @@ class AppRouter {
           builder: (_) => NostrEventsScreen(
             nostrService: nostrService,
             syncEngine: syncEngine,
+            sessionService: sessionService,
           ),
           settings: settings,
         );

lib/ui/navigation/main_navigation_scaffold.dart

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

lib/ui/nostr_events/nostr_events_screen.dart

@@ -1,19 +1,23 @@
 import 'package:flutter/material.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_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.
 class NostrEventsScreen extends StatefulWidget {
   final NostrService? nostrService;
   final SyncEngine? syncEngine;
+  final SessionService? sessionService;
 
   const NostrEventsScreen({
     super.key,
     this.nostrService,
     this.syncEngine,
+    this.sessionService,
   });
 
   @override
@@ -21,229 +25,15 @@ class NostrEventsScreen extends StatefulWidget {
 }
 
 class _NostrEventsScreenState extends State<NostrEventsScreen> {
-  NostrKeyPair? _keyPair;
-  List<NostrRelay> _relays = [];
-  Map<String, bool> _connectionStatus = {};
   List<String> _events = [];
   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;
-      });
-
-      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(
-          content: Text('Public key imported from npub (note: cannot sign events without private key)'),
-          backgroundColor: Colors.orange,
-        ),
-      );
-    } catch (e) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text('Failed to import npub: ${e.toString()}'),
-          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;
-    }
-
-    try {
-      setState(() {
-        _keyPair = NostrKeyPair.fromHexPrivateKey(hexKey);
-        _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 (widget.nostrService == null) {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           const SnackBar(
-            content: Text('Nostr service or keypair not available'),
+            content: Text('Nostr service not available'),
             backgroundColor: Colors.red,
           ),
         );
@@ -251,11 +41,27 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
       return;
     }
 
-    if (_relays.isEmpty) {
+    // Check if user is logged in with Nostr
+    final currentUser = widget.sessionService?.currentUser;
+    if (currentUser == null || currentUser.nostrPrivateKey == null) {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           const SnackBar(
-            content: Text('No relays configured. Add relays in Settings.'),
+            content: Text('Please log in with Nostr (nsec key) to publish events.'),
+            backgroundColor: Colors.orange,
+          ),
+        );
+      }
+      return;
+    }
+
+    // Get relays
+    final relays = widget.nostrService!.getRelays();
+    if (relays.isEmpty) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(
+            content: Text('No relays configured. Add relays in Relay Management.'),
             backgroundColor: Colors.orange,
           ),
         );
@@ -267,30 +73,18 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
       _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 {
+      // Reconstruct keypair from stored nsec
+      final keyPair = NostrKeyPair.fromNsec(currentUser.nostrPrivateKey!);
+
       // Create a test event
       final event = NostrEvent.create(
         content: 'Test event from Flutter app - ${DateTime.now().toIso8601String()}',
         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);
 
       setState(() {
@@ -330,16 +124,6 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
     return Scaffold(
       appBar: AppBar(
         title: const Text('Nostr Events'),
-        actions: [
-          IconButton(
-            icon: const Icon(Icons.refresh),
-            onPressed: () {
-              _loadRelays();
-              _generateKeyPair();
-            },
-            tooltip: 'Refresh',
-          ),
-        ],
       ),
       body: _isLoading
           ? const Center(child: CircularProgressIndicator())
@@ -348,10 +132,6 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.stretch,
                 children: [
-                  _buildKeyPairSection(),
-                  const SizedBox(height: 24),
-                  _buildRelaysSection(),
-                  const SizedBox(height: 24),
                   _buildActionsSection(),
                   if (_events.isNotEmpty) ...[
                     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() {
     return Card(
       child: Padding(
@@ -584,13 +169,25 @@ class _NostrEventsScreenState extends State<NostrEventsScreen> {
             const SizedBox(height: 8),
             TextButton.icon(
               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(
-                ScaffoldMessenger.of(context).showSnackBar(
+                    MaterialPageRoute(
-                  const SnackBar(
+                      builder: (_) => RelayManagementScreen(
-                    content: Text('Go to Settings tab to manage relays'),
+                        controller: RelayManagementController(
-                  ),
+                          nostrService: widget.nostrService!,
-                );
+                          syncEngine: widget.syncEngine!,
+                        ),
+                      ),
+                    ),
+                  );
+                } else {
+                  ScaffoldMessenger.of(context).showSnackBar(
+                    const SnackBar(
+                      content: Text('Nostr service not available'),
+                      backgroundColor: Colors.red,
+                    ),
+                  );
+                }
               },
               icon: const Icon(Icons.settings),
               label: const Text('Manage Relays'),

lib/ui/session/session_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import '../../data/session/session_service.dart';
 import '../../data/firebase/firebase_service.dart';
 import '../../data/nostr/nostr_service.dart';
+import '../../data/nostr/models/nostr_keypair.dart';
 
 /// Screen for user session management (login/logout).
 class SessionScreen extends StatefulWidget {
@@ -31,6 +32,7 @@ class _SessionScreenState extends State<SessionScreen> {
   bool _isLoading = false;
   bool _useFirebaseAuth = false;
   bool _useNostrLogin = false;
+  NostrKeyPair? _generatedKeyPair;
 
   @override
   void initState() {
@@ -437,6 +439,115 @@ class _SessionScreenState extends State<SessionScreen> {
                     ),
                     const SizedBox(height: 24),
                     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(
                         controller: _nostrKeyController,
                         decoration: const InputDecoration(