show firo sparl electrumx data cache size and implement clearing of that cache when all electrumx cache for firo is cleared

lib/db/sqlite/firo_cache.dart

@@ -29,6 +29,34 @@ List<String> _ffiHashTagsComputeWrapper(List<String> base64Tags) {
 abstract class FiroCacheCoordinator {
   static Future<void> init() => _FiroCache.init();
 
+  static Future<void> clearSharedCache() async {
+    return await _FiroCache._deleteAllCache();
+  }
+
+  static Future<String> getSparkCacheSize() async {
+    final dir = await StackFileSystem.applicationSQLiteDirectory();
+    final cacheFile = File("${dir.path}/${_FiroCache.sqliteDbFileName}");
+    final int bytes;
+    if (await cacheFile.exists()) {
+      bytes = await cacheFile.length();
+    } else {
+      bytes = 0;
+    }
+
+    if (bytes < 1024) {
+      return '$bytes B';
+    } else if (bytes < 1048576) {
+      final double kbSize = bytes / 1024;
+      return '${kbSize.toStringAsFixed(2)} KB';
+    } else if (bytes < 1073741824) {
+      final double mbSize = bytes / 1048576;
+      return '${mbSize.toStringAsFixed(2)} MB';
+    } else {
+      final double gbSize = bytes / 1073741824;
+      return '${gbSize.toStringAsFixed(2)} GB';
+    }
+  }
+
   static Future<void> runFetchAndUpdateSparkUsedCoinTags(
     ElectrumXClient client,
   ) async {
@@ -164,6 +192,23 @@ abstract class _FiroCache {
     );
   }
 
+  static Future<void> _deleteAllCache() async {
+    final start = DateTime.now();
+    db.execute(
+      """
+        DELETE FROM SparkSet;
+        DELETE FROM SparkCoin;
+        DELETE FROM SparkSetCoins;
+        DELETE FROM SparkUsedCoinTags;
+        VACUUM;
+      """,
+    );
+    _debugLog(
+      "_deleteAllCache() "
+      "duration = ${DateTime.now().difference(start)}",
+    );
+  }
+
   static Future<void> _createDb(String file) async {
     final db = sqlite3.open(
       file,

lib/pages/settings_views/wallet_settings_view/wallet_settings_view.dart

@@ -16,6 +16,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:tuple/tuple.dart';
 
 import '../../../db/hive/db.dart';
+import '../../../db/sqlite/firo_cache.dart';
 import '../../../models/epicbox_config_model.dart';
 import '../../../notifications/show_flush_bar.dart';
 import '../../../providers/global/wallets_provider.dart';
@@ -413,7 +414,8 @@ class _WalletSettingsViewState extends ConsumerState<WalletSettingsView> {
                                             ),
                                           );
 
-                                          if (result == "OK" && mounted) {
+                                          if (result == "OK" &&
+                                              context.mounted) {
                                             await showLoading(
                                               whileFuture: Future.wait<void>(
                                                 [
@@ -426,6 +428,9 @@ class _WalletSettingsViewState extends ConsumerState<WalletSettingsView> {
                                                       .clearSharedTransactionCache(
                                                     currency: coin,
                                                   ),
+                                                  if (coin is Firo)
+                                                    FiroCacheCoordinator
+                                                        .clearSharedCache(),
                                                 ],
                                               ),
                                               context: context,

lib/pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/spark_info.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../../../db/sqlite/firo_cache.dart';
+import '../../../../themes/stack_colors.dart';
+import '../../../../utilities/text_styles.dart';
+import '../../../../widgets/background.dart';
+import '../../../../widgets/custom_buttons/app_bar_icon_button.dart';
+import '../../../../widgets/detail_item.dart';
+
+class SparkInfoView extends ConsumerWidget {
+  const SparkInfoView({
+    super.key,
+  });
+
+  static const String routeName = "/sparkInfo";
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return Background(
+      child: Scaffold(
+        backgroundColor: Theme.of(context).extension<StackColors>()!.background,
+        appBar: AppBar(
+          leading: AppBarBackButton(
+            onPressed: () {
+              Navigator.of(context).pop();
+            },
+          ),
+          title: Text(
+            "Spark Info",
+            style: STextStyles.navBarTitle(context),
+          ),
+        ),
+        body: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.stretch,
+            children: [
+              FutureBuilder(
+                future: FiroCacheCoordinator.getSparkCacheSize(),
+                builder: (_, snapshot) {
+                  String detail = "Loading...";
+                  if (snapshot.connectionState == ConnectionState.done) {
+                    detail = snapshot.data ?? detail;
+                  }
+
+                  return DetailItem(
+                    title: "Spark electrumx cache size",
+                    detail: detail,
+                  );
+                },
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/wallet_settings_wallet_settings_view.dart

@@ -24,6 +24,7 @@ import '../../../pinpad_views/lock_screen_view.dart';
 import 'delete_wallet_warning_view.dart';
 import 'lelantus_settings_view.dart';
 import 'rename_wallet_view.dart';
+import 'spark_info.dart';
 
 class WalletSettingsWalletSettingsView extends ConsumerWidget {
   const WalletSettingsWalletSettingsView({
@@ -216,6 +217,39 @@ class WalletSettingsWalletSettingsView extends ConsumerWidget {
                     ),
                   ),
                 ),
+                const SizedBox(
+                  height: 8,
+                ),
+                RoundedWhiteContainer(
+                  padding: const EdgeInsets.all(0),
+                  child: RawMaterialButton(
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(
+                        Constants.size.circularBorderRadius,
+                      ),
+                    ),
+                    materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                    onPressed: () {
+                      Navigator.of(context).pushNamed(
+                        SparkInfoView.routeName,
+                      );
+                    },
+                    child: Padding(
+                      padding: const EdgeInsets.symmetric(
+                        horizontal: 12.0,
+                        vertical: 20,
+                      ),
+                      child: Row(
+                        children: [
+                          Text(
+                            "Spark info",
+                            style: STextStyles.titleBold12(context),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                ),
               ],
             ),
           ),

lib/route_generator.dart

@@ -131,6 +131,7 @@ import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_setting
 import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/delete_wallet_warning_view.dart';
 import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/lelantus_settings_view.dart';
 import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/rename_wallet_view.dart';
+import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/spark_info.dart';
 import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/wallet_settings_wallet_settings_view.dart';
 import 'pages/settings_views/wallet_settings_view/wallet_settings_wallet_settings/xpub_view.dart';
 import 'pages/special/firo_rescan_recovery_error_dialog.dart';
@@ -1966,6 +1967,15 @@ class RouteGenerator {
         }
         return _routeError("${settings.name} invalid args: ${args.toString()}");
 
+      case SparkInfoView.routeName:
+        return getRoute(
+          shouldUseMaterialRoute: useMaterialPageRoute,
+          builder: (_) => const SparkInfoView(),
+          settings: RouteSettings(
+            name: settings.name,
+          ),
+        );
+
       // == Desktop specific routes ============================================
       case CreatePasswordView.routeName:
         if (args is bool) {