feat(dev): add secrets dev screen (used to recover corrupted wallet) (#2234)

* feat(dev): add secrets dev screen (used to recover corrupted wallet)

* fix(dev): decode only password fields

lib/src/screens/dev/secure_preferences_page.dart

@@ -0,0 +1,63 @@
+import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/view_model/dev/secure_preferences.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
+
+class DevSecurePreferencesPage extends BasePage {
+  final DevSecurePreferences viewModel;
+
+  DevSecurePreferencesPage(this.viewModel);
+
+  @override
+  String? get title => "[dev] secure preferences";
+
+  @override
+  Widget body(BuildContext context) {
+    return Observer(
+      builder: (_) {
+        if (viewModel.values.isEmpty) {
+          return Center(child: Text("No secure preferences found"));
+        }
+        final keys = viewModel.keys;
+        Map<String, dynamic> values = {};
+        for (final key in keys) {
+          values[key] = viewModel.get(key);
+        }
+        Map<String, PreferenceType> types = {};
+        for (final key in keys) {
+          types[key] = viewModel.getPreferenceType(key);
+        }
+        return ListView.builder(
+          itemCount: keys.length,
+          itemBuilder: (context, index) {
+            final key = keys[index];
+            final type = types[key]!;
+            return ListTile(
+              onTap: () {
+                Clipboard.setData(ClipboardData(text: key + ": " + values[key].toString()));
+              },
+              title: switch (type) {
+                PreferenceType.bool => Text(key, style: TextStyle(color: Colors.blue)),
+                PreferenceType.int => Text(key, style: TextStyle(color: Colors.green)),
+                PreferenceType.double => Text(key, style: TextStyle(color: Colors.yellow)),
+                PreferenceType.listString => Text(key, style: TextStyle(color: Colors.purple)),
+                PreferenceType.string => Text(key),
+                PreferenceType.unknown => Text(key),
+              },
+              subtitle: switch (type) {
+                PreferenceType.bool => Text("bool: ${values[key]}"),
+                PreferenceType.int => Text("int: ${values[key]}"),
+                PreferenceType.double => Text("double: ${values[key]}"),
+                PreferenceType.listString => values[key].isEmpty as bool ? Text("listString: []") : Text("listString:\n- ${values[key].join("\n- ")}"),
+                PreferenceType.string => Text("string: ${values[key]}"),
+                PreferenceType.unknown => Text("UNKNOWN(${values[key].runtimeType}): ${values[key]}"),
+              },
+            );
+          },
+        );
+      },
+    );
+  }
+
+}

lib/src/screens/settings/other_settings_page.dart

@@ -81,6 +81,12 @@ class OtherSettingsPage extends BasePage {
                   handler: (BuildContext context) =>
                       Navigator.of(context).pushNamed(Routes.devSharedPreferences),
                 ),
+              if (FeatureFlag.hasDevOptions)
+                SettingsCellWithArrow(
+                  title: '[dev] secure storage preferences',
+                  handler: (BuildContext context) =>
+                      Navigator.of(context).pushNamed(Routes.devSecurePreferences),
+                ),
               if (FeatureFlag.hasDevOptions)
                 SettingsCellWithArrow(
                   title: '[dev] background sync logs',