Silent payments

lib/db/isar/main_db.dart

@@ -19,6 +19,8 @@ import '../../models/isar/models/contact_entry.dart';
 import '../../models/isar/models/isar_models.dart';
 import '../../models/isar/ordinal.dart';
 import '../../models/isar/stack_theme.dart';
+import '../../models/isar/models/silent_payments/silent_payment_config.dart';
+import '../../models/isar/models/silent_payments/silent_payment_metadata.dart';
 import '../../utilities/amount/amount.dart';
 import '../../utilities/extensions/extensions.dart';
 import '../../utilities/stack_file_system.dart';
@@ -70,6 +72,8 @@ class MainDB {
         WalletInfoMetaSchema,
         TokenWalletInfoSchema,
         FrostWalletInfoSchema,
+        SilentPaymentConfigSchema,
+        SilentPaymentMetadataSchema,
       ],
       directory: (await StackFileSystem.applicationIsarDirectory()).path,
       // inspector: kDebugMode,

lib/models/isar/models/silent_payments/silent_payment_config.dart

@@ -0,0 +1,84 @@
+import 'dart:convert';
+import 'package:isar/isar.dart';
+import '../../../../wallets/isar/isar_id_interface.dart';
+
+part 'silent_payment_config.g.dart';
+
+@Collection(accessor: "silentPaymentConfig", inheritance: false)
+class SilentPaymentConfig implements IsarId {
+  @override
+  Id id = Isar.autoIncrement;
+
+  @Index(unique: true)
+  final String walletId;
+
+  final bool isEnabled;
+
+  final int lastScannedHeight;
+
+  // Store any computed labels for efficient lookup
+  final String? labelMapJsonString;
+
+  @ignore
+  Map<String, String>? get labelMap =>
+      labelMapJsonString == null
+          ? null
+          : Map<String, String>.from(jsonDecode(labelMapJsonString!) as Map);
+
+  SilentPaymentConfig({
+    required this.walletId,
+    this.isEnabled = false,
+    this.lastScannedHeight = 0,
+    this.labelMapJsonString,
+  });
+
+  SilentPaymentConfig copyWith({
+    bool? isEnabled,
+    int? lastScannedHeight,
+    String? labelMapJsonString,
+  }) {
+    return SilentPaymentConfig(
+      walletId: walletId,
+      isEnabled: isEnabled ?? this.isEnabled,
+      lastScannedHeight: lastScannedHeight ?? this.lastScannedHeight,
+      labelMapJsonString: labelMapJsonString ?? this.labelMapJsonString,
+    )..id = id;
+  }
+
+  Future<void> updateEnabled({
+    required bool enabled,
+    required Isar isar,
+  }) async {
+    if (isEnabled != enabled) {
+      await isar.writeTxn(() async {
+        await isar.silentPaymentConfig.put(copyWith(isEnabled: enabled));
+      });
+    }
+  }
+
+  Future<void> updateLastScannedHeight({
+    required int height,
+    required Isar isar,
+  }) async {
+    if (lastScannedHeight != height) {
+      await isar.writeTxn(() async {
+        await isar.silentPaymentConfig.put(copyWith(lastScannedHeight: height));
+      });
+    }
+  }
+
+  Future<void> updateLabelMap({
+    required Map<String, String> newLabelMap,
+    required Isar isar,
+  }) async {
+    final encodedMap = jsonEncode(newLabelMap);
+
+    if (labelMapJsonString != encodedMap) {
+      await isar.writeTxn(() async {
+        await isar.silentPaymentConfig.put(
+          copyWith(labelMapJsonString: encodedMap),
+        );
+      });
+    }
+  }
+}