feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>
2026-08-13 18:34:25 +08:00
parent 61c3fa1df9
commit 9dfa06ffee
3785 changed files with 1085458 additions and 2 deletions
@@ -0,0 +1,59 @@
+import 'package:nostr/nostr.dart' as nostr;
+
+import 'nostr_models.dart';
+import 'relay_session.dart';
+
+/// Signs and submits Nostr events through the relay WebSocket connection.
+class SignedEventRelay {
+  final RelaySessionNotifier _session;
+  final String? _nsec;
+
+  SignedEventRelay({
+    required RelaySessionNotifier session,
+    required String? nsec,
+  }) : _session = session,
+       _nsec = nsec;
+
+  /// The hex pubkey derived from the signing key, or null if no key.
+  String? get pubkey {
+    final nsec = _nsec;
+    if (nsec == null || nsec.isEmpty) return null;
+    final privkeyHex = nostr.Nip19.decode(payload: nsec).data;
+    if (privkeyHex.isEmpty) return null;
+    return nostr.Keys(privkeyHex).public;
+  }
+
+  /// Sign and submit an event. Returns the relay's OK response as a [NostrEvent]
+  /// whose `content` field contains the OK message (e.g. `"response:{...}"`
+  /// for command kinds).
+  Future<NostrEvent> submit({
+    required int kind,
+    required String content,
+    required List<List<String>> tags,
+    int? createdAt,
+    void Function(NostrEvent event)? onSigned,
+  }) async {
+    final nsec = _nsec;
+    if (nsec == null || nsec.isEmpty) {
+      throw Exception('Cannot submit event: no signing key available');
+    }
+
+    final privkeyHex = nostr.Nip19.decode(payload: nsec).data;
+    if (privkeyHex.isEmpty) {
+      throw Exception('Invalid nsec');
+    }
+
+    final event = nostr.Event.from(
+      kind: kind,
+      content: content,
+      tags: tags,
+      secretKey: privkeyHex,
+      createdAt: createdAt,
+      verify: false,
+    );
+
+    final nostrEvent = NostrEvent.fromJson(event.toMap());
+    onSigned?.call(nostrEvent);
+    return _session.publish(nostrEvent);
+  }
+}