CW1272 tails, linux generic fixes (#2630)

diff --git a/cw_bitcoin/lib/electrum_wallet.dart b/cw_bitcoin/lib/electrum_wallet.dart
index 7a0fecd3..dc611d50 100644
--- a/cw_bitcoin/lib/electrum_wallet.dart
+++ b/cw_bitcoin/lib/electrum_wallet.dart
@@ -5,6 +5,7 @@ import 'dart:isolate';
 
 import 'package:bitcoin_base/bitcoin_base.dart';
 import 'package:cw_core/hardware/hardware_wallet_service.dart';
+import 'package:cw_core/root_dir.dart';
 import 'package:cw_core/utils/proxy_wrapper.dart';
 import 'package:cw_bitcoin/bitcoin_amount_format.dart';
 import 'package:cw_core/utils/print_verbose.dart';
@@ -374,7 +375,7 @@ abstract class ElectrumWalletBase
       runningIsolate.kill(priority: Isolate.immediate);
     }
 
-    final appDir = await getApplicationSupportDirectory();
+    final appDir = await getAppDir();
     String debugLogPath = "${appDir.path}/logs/debug.log";
 
     final receivePort = ReceivePort();
diff --git a/cw_bitcoin/pubspec.lock b/cw_bitcoin/pubspec.lock
index 681e68d4..c4b45c77 100644
--- a/cw_bitcoin/pubspec.lock
+++ b/cw_bitcoin/pubspec.lock
@@ -1084,6 +1084,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_core/lib/db/sqlite.dart b/cw_core/lib/db/sqlite.dart
index e8bba668..fdd58921 100644
--- a/cw_core/lib/db/sqlite.dart
+++ b/cw_core/lib/db/sqlite.dart
@@ -1,9 +1,14 @@
 
-import 'package:sqflite/sqflite.dart';
+import 'dart:io';
+
+import 'package:sqflite_common_ffi/sqflite_ffi.dart';
 
 late Database db; 
 
 Future<void> initDb({String? pathOverride}) async {
+  if (Platform.isLinux || Platform.isWindows) { 
+    databaseFactory = databaseFactoryFfi;
+  }
   db = await openDatabase(
     pathOverride ?? "cake.db",
     version: 1,
diff --git a/cw_core/lib/root_dir.dart b/cw_core/lib/root_dir.dart
index c2a8170b..7f75b20f 100644
--- a/cw_core/lib/root_dir.dart
+++ b/cw_core/lib/root_dir.dart
@@ -1,11 +1,76 @@
 import 'dart:io';
+import 'package:cw_core/utils/print_verbose.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
 
 String? _rootDirPath;
 
-void setRootDirFromEnv() => _rootDirPath = Platform.environment['CAKE_WALLET_DIR'];
+const String _tailsData = '/live/persistence/TailsData_unlocked/Persistent';
 
-Future<Directory> getAppDir({String appName = 'cake_wallet'}) async {
+bool get isNonAmnesticTails {
+  try {
+    final os = File("/etc/os-release").readAsLinesSync();
+    for (var line in os) {
+      if (!line.startsWith("ID=")) continue;
+      if (!line.contains("tails")) continue;
+      return Directory(_tailsData).existsSync();
+    }
+  } catch (e) {
+    return false;
+  }
+  return false;
+}
+
+bool showNotice = true;
+
+void setRootDirFromEnv() =>
+    _rootDirPath = Platform.environment['CAKE_WALLET_DIR'];
+
+void copyDirectory(Directory source, Directory destination) {
+  source.listSync(recursive: false).forEach((var entity) {
+    if (entity is Directory) {    
+      var newDirectory = Directory(p.join(destination.absolute.path, p.basename(entity.path)));
+      newDirectory.createSync(recursive: true);
+      copyDirectory(entity.absolute, newDirectory);
+    } else if (entity is File) {
+      destination.createSync(recursive: true);
+      entity.copySync(p.join(destination.path, p.basename(entity.path)));
+    }
+  });
+}
+
+Future<void> linuxSymlinkSharedPreferences() async {
+  if (!Platform.isLinux) return; // nuh-uh
+  final dataHome = Platform.environment["XDG_DATA_HOME"] ?? p.join(Platform.environment["HOME"] ?? "", ".local", "share");
+  var cakeNames = ['com.example.cake_wallet', 'cake_wallet'];
+  for (String name in cakeNames) {
+    final oldPath = p.join(dataHome, name);
+    final newPath = p.join((await getAppDir()).path, "_local_share");
+    final oldDir = Directory(oldPath);
+    final oldLink = Link(oldPath);
+    final newDir = Directory(newPath);
+    if (oldDir.existsSync()) {
+      if (oldLink.existsSync()) {
+        printV("not creating, link exists");
+      } else {
+        if (newDir.existsSync()) { 
+          newDir.renameSync("${newPath}_${DateTime.now().millisecondsSinceEpoch~/1000}");
+        }
+        copyDirectory(oldDir, newDir);
+        oldDir.deleteSync(recursive: true);
+      }
+    }
+    if (!oldLink.existsSync()) {
+      oldLink.create(newPath, recursive: true);
+    }
+    if (!newDir.existsSync()) {
+      newDir.createSync(recursive: true);
+    }
+  }
+}
+
+Future<Directory> getAppDir() async {
+  const String appName = 'cake_wallet';
   Directory dir;
 
   if (_rootDirPath != null && _rootDirPath!.isNotEmpty) {
@@ -15,16 +80,45 @@ Future<Directory> getAppDir({String appName = 'cake_wallet'}) async {
     if (Platform.isWindows) {
       dir = await getApplicationSupportDirectory();
     } else if (Platform.isLinux) {
-      String appDirPath;
-
+      String? appDirPath;
       try {
         dir = await getApplicationDocumentsDirectory();
         appDirPath = '${dir.path}/$appName';
       } catch (e) {
-        appDirPath = '/home/${Platform.environment['USER']}/.$appName';
+        appDirPath = null;
+      }
+      // App will try to use last entry in here, so {distro,package}-specific paths can be
+      // be put as one of last items (tails - I'm looking at you), and other paths can be
+      // added in the order of preference
+      // Which currently is $HOME/.config/$appName - as this is the most standard directory
+      // for storing things that users in general back-up
+      var linuxAppPath = [
+        if (appDirPath != null) appDirPath, // old preferred
+        p.join('/home', Platform.environment['USER']??"null", appName), // old fallback
+        if (Platform.environment['HOME'] != null) p.join(Platform.environment['HOME']!, ".$appName"), // old fallback but using HOME
+        if (Platform.environment['HOME'] != null) p.join(Platform.environment['HOME']!, '.config', appName), // old fallback but using HOME
+        if (isNonAmnesticTails) p.join(_tailsData, ".$appName") // tails (if persistance is enabled)
+      ];
+
+      String preferredPath = linuxAppPath.last;
+      
+      preferredLoop:
+      for (String notSoPreferredPath in linuxAppPath) {
+        if (notSoPreferredPath == linuxAppPath.last) continue;
+        bool useThisOne = Directory(notSoPreferredPath).existsSync();
+        if (useThisOne) {
+          if (showNotice) {
+            showNotice = false;
+            printV("Not using $preferredPath because $notSoPreferredPath exists, falling back for backwards compatibility");
+            printV("Can't see your wallet? Check\n - ${linuxAppPath.join("\n - ")}\n and move directory that to $preferredPath");
+            printV("Or use CAKE_WALLET_DIR=/path/to/app/ ${Platform.executable}");
+          }
+          preferredPath = notSoPreferredPath;
+          break preferredLoop;
+        }
       }
 
-      dir = Directory.fromUri(Uri.file(appDirPath));
+      dir = Directory.fromUri(Uri.file(preferredPath));
       await dir.create(recursive: true);
     } else {
       dir = await getApplicationDocumentsDirectory();
diff --git a/cw_core/lib/utils/tor/abstract.dart b/cw_core/lib/utils/tor/abstract.dart
index 6fc4016a..70272e47 100644
--- a/cw_core/lib/utils/tor/abstract.dart
+++ b/cw_core/lib/utils/tor/abstract.dart
@@ -31,16 +31,17 @@ abstract class CakeTorInstance {
           final uri = Uri.tryParse(socksServer);
           if (uri != null) {
             return CakeTorSocks(uri.port);
+          } else {
+            final uri = Uri.tryParse("socks5://$socksServer");
+            if (uri != null) {
+              return CakeTorSocks(uri.port);
+            }
           }
         }
-        final os = File("/etc/os-release").readAsLinesSync();
-        for (var line in os) {
-          if (!line.startsWith("ID=")) continue;
-          if (!line.contains("tails")) continue;
-          return CakeTorSocks(9150);
-        }
       } catch (e) {
-        printV("Failed to identify linux version - /etc/os-release missing");
+        printV(
+          "Failed to identify linux version - no SOCKS_SERVER variable found or malformed",
+        );
       }
     }
     try {
diff --git a/cw_core/pubspec.lock b/cw_core/pubspec.lock
index 918a81a0..dd5dbaac 100644
--- a/cw_core/pubspec.lock
+++ b/cw_core/pubspec.lock
@@ -730,6 +730,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: "direct main"
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_core/pubspec.yaml b/cw_core/pubspec.yaml
index 7c963f24..4dc27a06 100644
--- a/cw_core/pubspec.yaml
+++ b/cw_core/pubspec.yaml
@@ -46,6 +46,7 @@ dependencies:
       ref: cake-update-v2
   sqflite: ^2.4.1
   sqflite_common_ffi: ^2.3.4+4
+  sqlite3_flutter_libs: 0.5.40
 
 dev_dependencies:
   flutter_test:
@@ -63,7 +64,7 @@ dependency_overrides:
 
 # The following section is specific to Flutter.
 flutter:
-    uses-material-design: true
+  uses-material-design: true
 
   # To add assets to your package, add an assets section, like this:
   # assets:
diff --git a/cw_decred/pubspec.lock b/cw_decred/pubspec.lock
index 85585721..ab2826fa 100644
--- a/cw_decred/pubspec.lock
+++ b/cw_decred/pubspec.lock
@@ -761,6 +761,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_monero/pubspec.lock b/cw_monero/pubspec.lock
index ae521ab8..f9ef7a82 100644
--- a/cw_monero/pubspec.lock
+++ b/cw_monero/pubspec.lock
@@ -874,6 +874,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_monero/test/monero_wallet_service_test.dart b/cw_monero/test/monero_wallet_service_test.dart
index 3b24c205..780caea4 100644
--- a/cw_monero/test/monero_wallet_service_test.dart
+++ b/cw_monero/test/monero_wallet_service_test.dart
@@ -21,7 +21,6 @@ Future<void> main() async {
     late File moneroCBinary;
 
     setUpAll(() async {
-      databaseFactory = databaseFactoryFfi;
       await initDb(pathOverride: './test/data/db');
       Hive.init('./test/data/db');
       PathProviderPlatform.instance = MockPathProviderPlatform();
diff --git a/cw_nano/pubspec.lock b/cw_nano/pubspec.lock
index c009b650..42df7b8d 100644
--- a/cw_nano/pubspec.lock
+++ b/cw_nano/pubspec.lock
@@ -879,6 +879,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_wownero/pubspec.lock b/cw_wownero/pubspec.lock
index 2e1b3fb0..ce8192f8 100644
--- a/cw_wownero/pubspec.lock
+++ b/cw_wownero/pubspec.lock
@@ -778,6 +778,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/cw_zano/pubspec.lock b/cw_zano/pubspec.lock
index 0c4a5765..826e385b 100644
--- a/cw_zano/pubspec.lock
+++ b/cw_zano/pubspec.lock
@@ -775,6 +775,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.9.0"
+  sqlite3_flutter_libs:
+    dependency: transitive
+    description:
+      name: sqlite3_flutter_libs
+      sha256: "69c80d812ef2500202ebd22002cbfc1b6565e9ff56b2f971e757fac5d42294df"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.40"
   stack_trace:
     dependency: transitive
     description:
diff --git a/integration_test_runner.sh b/integration_test_runner.sh
index cf250148..de21b3ed 100755
--- a/integration_test_runner.sh
+++ b/integration_test_runner.sh
@@ -14,6 +14,7 @@ RETRY_COUNT=${RETRY_COUNT:-1}
 DATA_DIRS=(
     "$HOME/.local/share/com.example.cake_wallet"
     "$HOME/Documents/cake_wallet"
+    "$HOME/.config/cake_wallet"
 )
 
 # Global state
@@ -46,7 +47,7 @@ format_duration() {
     local hours=$((seconds / 3600))
     local minutes=$(((seconds % 3600) / 60))
     local secs=$((seconds % 60))
-    
+
     if (( hours > 0 )); then
         echo "${hours}h ${minutes}m ${secs}s"
     elif (( minutes > 0 )); then
@@ -92,7 +93,7 @@ run_test() {
             local end_time=$(date +%s)
             local duration=$((end_time - start_time))
             test_durations+=("$duration")
-            
+
             log "✅ Test passed: $test_name ($(format_duration $duration))"
             passed_tests+=("$test_name")
             return 0
@@ -101,9 +102,9 @@ run_test() {
             local end_time=$(date +%s)
             local duration=$((end_time - start_time))
             test_durations+=("$duration")
-            
+
             log "❌ Test failed: $test_name ($(format_duration $duration))"
-            
+
             if (( retry_count < RETRY_COUNT )); then
                 log "Retrying test: $test_name"
                 retry_count=$((retry_count + 1))
@@ -125,7 +126,7 @@ main() {
     while IFS= read -r -d $'\0' file; do
         targets+=("$file")
     done < <(find integration_test/test_suites -name "*.dart" -type f -print0)
-    
+
     if [[ $? -ne 0 ]]; then
         error "Failed to find test files"
         exit 1
@@ -140,7 +141,7 @@ main() {
 
     # Record overall start time
     local overall_start_time=$(date +%s)
-    
+
     # Run tests sequentially
     for target in "${targets[@]}"; do
         run_test "$target"
@@ -156,7 +157,7 @@ main() {
     echo "Passed: ${#passed_tests[@]}"
     echo "Failed: ${#failed_tests[@]}"
     echo "Total duration: $(format_duration $total_duration)"
-    
+
     if (( ${#passed_tests[@]} > 0 )); then
         echo -e "\n✅ Passed Tests:"
         for i in $(seq 0 $((${#passed_tests[@]} - 1))); do
diff --git a/lib/main.dart b/lib/main.dart
index fe6e9477..77430f08 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -96,6 +96,12 @@ Future<void> runAppWithZone({Key? topLevelKey}) async {
     } catch (e) {
       printV("Failed to initialize tor: $e");
     }
+    
+    try {
+      await linuxSymlinkSharedPreferences();
+    } catch (e) { 
+      printV("Failed to symlink linux preferences: $e");
+    }
 
     await initializeAppAtRoot();
 
diff --git a/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart b/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart
index 655abb5a..99cecc5d 100644
--- a/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart
+++ b/lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart
@@ -48,7 +48,7 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
   final zanoIcon = Image.asset('assets/images/crypto/zano.webp', height: 24, width: 24);
   final decredIcon = Image.asset('assets/images/crypto/decred.webp', height: 24, width: 24);
   final dogeIcon = Image.asset('assets/images/crypto/dogecoin.webp', height: 24, width: 24);
-  final nonWalletTypeIcon = Image.asset('assets/images/close.webp', height: 24, width: 24);
+  final nonWalletTypeIcon = Image.asset('assets/images/close.png', height: 24, width: 24);
 
   Image _newWalletImage(BuildContext context) => Image.asset(
         'assets/images/new_wallet.png',