fix Valid value range is empty for certs cache

lib/providers/substrate_sdk.dart

@@ -30,6 +30,7 @@ import 'package:provider/provider.dart';
 import 'package:pointycastle/pointycastle.dart' as pc;
 import "package:hex/hex.dart";
 import 'package:uuid/uuid.dart' show Uuid;
+import 'package:gecko/widgets/certifications.dart';
 
 class SubstrateSdk with ChangeNotifier {
   final WalletSDK sdk = WalletSDK();
@@ -51,7 +52,7 @@ class SubstrateSdk with ChangeNotifier {
   bool isCesiumIDVisible = false;
   bool isCesiumAddresLoading = false;
   late int udValue;
-  Map<String, List<int>> certsCounterCache = {};
+  final Map<String, CertificationData> certsCounterCache = {};
   Map<String, List> oldOwnerKeys = {};
 
   // Cache pour idtyStatus
@@ -210,13 +211,13 @@ class SubstrateSdk with ChangeNotifier {
     return List<int?>.from(await _getStorage('identity.identityIndexOf.multi($jsonString)'));
   }
 
-  Future<List<int>> getCertsCounter(String address) async {
+  Future<CertificationData> getCertsCounter(String address) async {
     // On fait toujours la requête en background
     final idtyIndex = await _getIdentityIndexOf(address);
     if (idtyIndex == null) {
-      final emptyList = <int>[];
+      final emptyList = CertificationData(receivedCount: 0, sentCount: 0);
       // Si le compteur a changé (était non vide avant), on notifie
-      if (certsCounterCache[address]?.isNotEmpty == true) {
+      if (certsCounterCache[address]?.receivedCount != 0 || certsCounterCache[address]?.sentCount != 0) {
         certsCounterCache[address] = emptyList;
         notifyListeners();
       }
@@ -227,12 +228,12 @@ class SubstrateSdk with ChangeNotifier {
     final List<int> newCerts = [certsReceiver['receivedCount'] as int, certsReceiver['issuedCount'] as int];
 
     // Si le compteur a changé, on met à jour le cache et on notifie
-    if (certsCounterCache[address]?.length != 2 || certsCounterCache[address]![0] != newCerts[0] || certsCounterCache[address]![1] != newCerts[1]) {
-      certsCounterCache[address] = newCerts;
+    if (certsCounterCache[address]?.receivedCount != newCerts[0] || certsCounterCache[address]?.sentCount != newCerts[1]) {
+      certsCounterCache[address] = CertificationData(receivedCount: newCerts[0], sentCount: newCerts[1]);
       notifyListeners();
     }
 
-    return certsCounterCache[address] ?? newCerts;
+    return certsCounterCache[address]!;
   }
 
   Future<DateTime?> membershipExpireIn(String address) async {
@@ -1069,10 +1070,10 @@ class SubstrateSdk with ChangeNotifier {
     String? rawParams;
 
     var toCerts = await getCertsCounter(destAddress);
-    if (toCerts.isEmpty) {
-      toCerts = [0, 0];
+    if (toCerts.receivedCount == 0 && toCerts.sentCount == 0) {
+      toCerts = CertificationData(receivedCount: 0, sentCount: 0);
     }
-    log.d("debug toCert: ${toCerts[0]} --- ${currencyParameters['minCertForMembership']!} --- $toIdtyStatus");
+    log.d("debug toCert: ${toCerts.receivedCount} --- ${currencyParameters['minCertForMembership']!} --- $toIdtyStatus");
 
     if (toIdtyStatus == IdtyStatus.none) {
       txInfo = TxInfoData(
@@ -1082,7 +1083,7 @@ class SubstrateSdk with ChangeNotifier {
       );
       txOptions = [destAddress];
     } else if (toIdtyStatus == IdtyStatus.member || toIdtyStatus == IdtyStatus.unvalidated) {
-      if (toCerts[0] >= currencyParameters['minCertForMembership']! - 1 && toIdtyStatus != IdtyStatus.member) {
+      if (toCerts.receivedCount >= currencyParameters['minCertForMembership']! - 1 && toIdtyStatus != IdtyStatus.member) {
         log.d('Batch cert and membership validation');
         txInfo = TxInfoData(
           'utility',

lib/widgets/certifications.dart

@@ -3,6 +3,19 @@ import 'package:gecko/models/scale_functions.dart';
 import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:provider/provider.dart';
 
+// Add a class to store certification data
+class CertificationData {
+  final int receivedCount;
+  final int sentCount;
+
+  CertificationData({required this.receivedCount, required this.sentCount});
+
+  bool equals(CertificationData? other) {
+    if (other == null) return false;
+    return receivedCount == other.receivedCount && sentCount == other.sentCount;
+  }
+}
+
 class Certifications extends StatefulWidget {
   const Certifications({super.key, required this.address, required this.size, this.color = Colors.black});
   final String address;
@@ -25,7 +38,7 @@ class _CertificationsState extends State<Certifications> {
       if (!mounted) return;
 
       final cachedData = sdk.certsCounterCache[widget.address];
-      if (cachedData == null || cachedData.isEmpty || networkData[0] != cachedData[0] || networkData[1] != cachedData[1]) {
+      if (cachedData == null || !cachedData.equals(networkData)) {
         sdk.certsCounterCache[widget.address] = networkData;
         setState(() {});
       }
@@ -38,21 +51,21 @@ class _CertificationsState extends State<Certifications> {
   Widget build(BuildContext context) {
     return Consumer<SubstrateSdk>(
       builder: (context, sdk, _) {
-        // Afficher les données du cache immédiatement si disponibles
+        // Display cached data immediately if available
         final cachedCerts = sdk.certsCounterCache[widget.address];
 
-        // Vérifier les données réseau en arrière-plan
+        // Check network data in the background
         if (!_isLoading) {
           Future.microtask(() => _checkNetworkData(sdk));
         }
 
-        // Si pas de données en cache, on affiche rien en attendant
-        if (cachedCerts == null || cachedCerts.isEmpty) {
+        // If no cached data, show nothing while waiting
+        if (cachedCerts == null) {
           return const SizedBox.shrink();
         }
 
-        // Afficher les données du cache
-        return _buildContent(cachedCerts[0], cachedCerts[1]);
+        // Display cached data
+        return _buildContent(cachedCerts.receivedCount, cachedCerts.sentCount);
       },
     );
   }