Add unlock feature

app/lib/app_config.dart

@@ -228,4 +228,5 @@ void setFallbackConfigs() {
   Globals().newsUrl = '';
   Globals().idenfyServiceUrl = '';
   Globals().council = false;
+  Globals().showLockedTokens = false;
 }

app/lib/helpers/flags.dart

@@ -93,6 +93,8 @@ class Flags {
             .toString();
     Globals().council =
         await Flags().hasFlagValueByFeatureName('council-member');
+    Globals().showLockedTokens =
+        await Flags().hasFlagValueByFeatureName('locked-tokens');
     Globals().registrarURL =
         (await Flags().getFlagValueByFeatureName('registrar-url')).toString();
 

app/lib/helpers/globals.dart

@@ -63,6 +63,7 @@ class Globals {
   String newsUrl = '';
   String idenfyServiceUrl = '';
   bool council = false;
+  bool showLockedTokens = false;
   String registrarURL = '';
   bool isCacheClearedWallet = false;
   bool isCacheClearedFarmer = false;

app/lib/models/locked_token.dart

@@ -0,0 +1,38 @@
+class LockedToken {
+  LockedToken({
+    required this.address,
+    required this.assetCode,
+    required this.assetIssuer,
+    required this.amount,
+    required this.unlockHash,
+    required this.unlockFrom,
+    required this.canBeUnlocked,
+  });
+
+  /// The escrow (locked) Stellar account that holds the tokens.
+  final String address;
+
+  /// The asset code of the locked balance (e.g. `TFT`).
+  final String assetCode;
+
+  /// The issuer of the locked asset.
+  final String assetIssuer;
+
+  /// The locked amount.
+  final double amount;
+
+  /// The `preauth_tx` signer of the escrow account. `null` when the account can
+  /// be unlocked immediately (no time-lock left).
+  String? unlockHash;
+
+  /// Unix timestamp (seconds) from which the tokens can be unlocked. `null` when
+  /// there is no time-lock.
+  final int? unlockFrom;
+
+  /// Whether the tokens can currently be unlocked.
+  bool canBeUnlocked;
+
+  DateTime? get unlockFromDate => unlockFrom == null
+      ? null
+      : DateTime.fromMillisecondsSinceEpoch(unlockFrom! * 1000);
+}

app/lib/screens/wallets/wallet_assets.dart

@@ -12,6 +12,7 @@ import 'package:threebotlogin/services/stellar_service.dart' as Stellar;
 import 'package:threebotlogin/widgets/wallets/activate_wallet.dart';
 import 'package:threebotlogin/widgets/wallets/arrow_inward.dart';
 import 'package:threebotlogin/widgets/wallets/balance_tile.dart';
+import 'package:threebotlogin/widgets/wallets/locked_tokens_card.dart';
 
 class WalletAssetsWidget extends StatefulWidget {
   const WalletAssetsWidget({super.key, required this.wallet});
@@ -231,7 +232,8 @@ class _WalletAssetsWidgetState extends State<WalletAssetsWidget> {
               loading: false,
               onActivate: _openActivateStellarOverlay,
             ),
-          ...vestWidgets
+          ...vestWidgets,
+          if (Globals().showLockedTokens) LockedTokensCard(wallet: widget.wallet),
         ],
       ),
     );