feat: check indexer and node sync

lib/models/queries_indexer.dart

-const String getNameByAddressQ = r'''
+const getNameByAddressQ = r'''
 query ($address: String!) {
   identityConnection(
     where: { accountId: { _eq: $address } }
@@ -14,7 +14,7 @@ query ($address: String!) {
 }
 ''';
 
-const String searchAddressByNameQ = r'''
+const searchAddressByNameQ = r'''
 query ($name: String!) {
   identityConnection(
     where: { name: { _ilike: $name } }
@@ -30,7 +30,7 @@ query ($name: String!) {
 }
 ''';
 
-const String getHistoryByAddressRelayQ = r'''
+const getHistoryByAddressRelayQ = r'''
 query ($address: String!, $first: Int!, $after: String) {
   transferConnection(
     after: $after
@@ -64,7 +64,7 @@ query ($address: String!, $first: Int!, $after: String) {
 }
 ''';
 
-const String getCertsReceived = r'''
+const getCertsReceived = r'''
 query ($address: String!) {
   certConnection(
     where: {receiver: {accountId: {_eq: $address}}}
@@ -88,7 +88,7 @@ query ($address: String!) {
 }
 ''';
 
-const String getCertsSent = r'''
+const getCertsSent = r'''
 query ($address: String!) {
   certConnection(
     where: {issuer: {accountId: {_eq: $address}}}
@@ -112,7 +112,7 @@ query ($address: String!) {
 }
 ''';
 
-const String isIdtyExistQ = r'''
+const isIdtyExistQ = r'''
 query ($name: String!) {
   identityConnection(where: {name: {_eq: ""}}) {
     edges {
@@ -124,7 +124,7 @@ query ($name: String!) {
 }
 ''';
 
-const String getBlockchainStartQ = r'''
+const getBlockchainStartQ = r'''
 query {
   blockConnection(first: 1) {
     edges {
@@ -137,7 +137,7 @@ query {
 }
 ''';
 
-const String subscribeHistoryIssuedQ = r'''
+const subscribeHistoryIssuedQ = r'''
 subscription ($address: String!) {
   accountConnection(
     where: {id: {_eq: $address}}
@@ -155,3 +155,11 @@ subscription ($address: String!) {
   }
 }
 ''';
+
+const getBlockByHash = r'''
+query ($hash: bytea!) {
+  block(where: {hash: {_eq: $hash}}) {
+    height
+  }
+}
+''';

lib/providers/duniter_indexer.dart

@@ -8,6 +8,7 @@ import 'package:gecko/globals.dart';
 import 'package:gecko/models/queries_indexer.dart';
 import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
+import 'package:provider/provider.dart';
 
 class DuniterIndexer with ChangeNotifier {
   Map<String, String?> walletNameIndexer = {};
@@ -29,8 +30,7 @@ class DuniterIndexer with ChangeNotifier {
     final client = HttpClient();
     client.connectionTimeout = const Duration(milliseconds: 4000);
     try {
-      final request =
-          await client.postUrl(Uri.parse('https://$endpoint/v1beta1/relay'));
+      final request = await client.postUrl(Uri.parse('https://$endpoint/v1beta1/relay'));
       final response = await request.close();
       if (response.statusCode != 200) {
         log.w('Indexer $endpoint is offline');
@@ -39,6 +39,12 @@ class DuniterIndexer with ChangeNotifier {
         notifyListeners();
         return false;
       } else {
+        final isSynced = await isIndexerSynced('https://$endpoint/v1/graphql');
+        if (!isSynced) {
+          log.e('This endpoint is not synced, next');
+          return false;
+        }
+
         indexerEndpoint = endpoint;
         await configBox.put('indexerEndpoint', endpoint);
         // await configBox.put('customEndpoint', endpoint);
@@ -60,9 +66,7 @@ class DuniterIndexer with ChangeNotifier {
   Future<String> getValidIndexerEndpoint() async {
     // await configBox.delete('indexerEndpoint');
 
-    listIndexerEndpoints = await rootBundle
-        .loadString('config/indexer_endpoints.json')
-        .then((jsonStr) => jsonDecode(jsonStr));
+    listIndexerEndpoints = await rootBundle.loadString('config/indexer_endpoints.json').then((jsonStr) => jsonDecode(jsonStr));
     // _listEndpoints.shuffle();
 
     listIndexerEndpoints.add('Personnalisé');
@@ -71,8 +75,7 @@ class DuniterIndexer with ChangeNotifier {
       return configBox.get('customIndexer');
     }
 
-    if (configBox.containsKey('indexerEndpoint') &&
-        listIndexerEndpoints.contains(configBox.get('indexerEndpoint'))) {
+    if (configBox.containsKey('indexerEndpoint') && listIndexerEndpoints.contains(configBox.get('indexerEndpoint'))) {
       if (await checkIndexerEndpoint(configBox.get('indexerEndpoint'))) {
         return configBox.get('indexerEndpoint');
       }
@@ -104,6 +107,15 @@ class DuniterIndexer with ChangeNotifier {
         final request = await client.postUrl(Uri.parse(endpointPath));
         final response = await request.close();
 
+        final isSynced = await isIndexerSynced('https://${listIndexerEndpoints[i]}/v1/graphql');
+
+        if (!isSynced) {
+          log.e('This endpoint is not synced, next');
+          statusCode = 40;
+          i++;
+          continue;
+        }
+
         indexerEndpoint = listIndexerEndpoints[i];
         await configBox.put('indexerEndpoint', listIndexerEndpoints[i]);
 
@@ -131,6 +143,37 @@ class DuniterIndexer with ChangeNotifier {
     return indexerEndpoint;
   }
 
+  Future<bool> isIndexerSynced(String endpoint) async {
+    try {
+      final sub = Provider.of<SubstrateSdk>(homeContext, listen: false);
+      var duniterFinilizedHash = await sub.getLastFinilizedHash();
+      final duniterFinilizedNumber = await sub.getBlockNumberByHash(duniterFinilizedHash);
+      duniterFinilizedHash = "\\x${duniterFinilizedHash.substring(2)}";
+
+      final indexerLink = HttpLink(endpoint);
+      final iClient = GraphQLClient(
+        cache: GraphQLCache(),
+        link: indexerLink,
+      );
+      final result = await iClient.query(QueryOptions(document: gql(getBlockByHash), variables: <String, dynamic>{'hash': duniterFinilizedHash}));
+
+      if (result.hasException || result.data == null || result.data!['block'].isEmpty) {
+        log.e('Indexer is not synced: ${result.exception} -- ${result.data}');
+        return false;
+      }
+
+      final indexerFinilizedNumber = result.data!['block'][0]['height'] as int;
+      if (duniterFinilizedNumber != indexerFinilizedNumber) {
+        log.e('Indexer is not synced');
+        return false;
+      }
+      return true;
+    } catch (e) {
+      log.e('An error occured while checking indexer sync: $e');
+      return false;
+    }
+  }
+
   List parseHistory(List blockchainTX, String address) {
     List transBC = [];
     int i = 0;
@@ -159,10 +202,8 @@ class DuniterIndexer with ChangeNotifier {
     return transBC;
   }
 
-  FetchMoreOptions? mergeQueryResult(QueryResult result, FetchMoreOptions? opts,
-      String address, int nRepositories) {
-    final List<dynamic> blockchainTX =
-        (result.data!['transferConnection']['edges'] as List<dynamic>);
+  FetchMoreOptions? mergeQueryResult(QueryResult result, FetchMoreOptions? opts, String address, int nRepositories) {
+    final List<dynamic> blockchainTX = (result.data!['transferConnection']['edges'] as List<dynamic>);
 
     pageInfo = result.data!['transferConnection']['pageInfo'];
     fetchMoreCursor = pageInfo!['endCursor'];
@@ -174,10 +215,8 @@ class DuniterIndexer with ChangeNotifier {
         variables: {'after': fetchMoreCursor, 'first': nRepositories},
         updateQuery: (previousResultData, fetchMoreResultData) {
           final List<dynamic> repos = [
-            ...previousResultData!['transferConnection']['edges']
-                as List<dynamic>,
-            ...fetchMoreResultData!['transferConnection']['edges']
-                as List<dynamic>
+            ...previousResultData!['transferConnection']['edges'] as List<dynamic>,
+            ...fetchMoreResultData!['transferConnection']['edges'] as List<dynamic>
           ];
 
           fetchMoreResultData['transferConnection']['edges'] = repos;
@@ -213,16 +252,14 @@ class DuniterIndexer with ChangeNotifier {
   Future<DateTime> getBlockStart() async {
     final result = await _execQuery(getBlockchainStartQ, {});
     if (!result.hasException) {
-      startBlockchainTime = DateTime.parse(
-          result.data!['blockConnection']['edges'][0]['node']['timestamp']);
+      startBlockchainTime = DateTime.parse(result.data!['blockConnection']['edges'][0]['node']['timestamp']);
       startBlockchainInitialized = true;
       return startBlockchainTime;
     }
     return DateTime(0, 0, 0, 0, 0);
   }
 
-  Future<QueryResult> _execQuery(
-      String query, Map<String, dynamic> variables) async {
+  Future<QueryResult> _execQuery(String query, Map<String, dynamic> variables) async {
     final options = QueryOptions(document: gql(query), variables: variables);
 
     // 5GMyvKsTNk9wDBy9jwKaX6mhSzmFFtpdK9KNnmrLoSTSuJHv
@@ -249,12 +286,7 @@ class DuniterIndexer with ChangeNotifier {
     late String finalAmount;
     final DateTime date = repository[0];
 
-    final dateForm = "${date.day} ${monthsInYear[date.month]!.substring(0, {
-          1,
-          2,
-          7,
-          9
-        }.contains(date.month) ? 4 : 3)}";
+    final dateForm = "${date.day} ${monthsInYear[date.month]!.substring(0, {1, 2, 7, 9}.contains(date.month) ? 4 : 3)}";
 
     DateTime normalizeDate(DateTime inputDate) {
       return DateTime(inputDate.year, inputDate.month, inputDate.day);
@@ -264,12 +296,9 @@ class DuniterIndexer with ChangeNotifier {
       DateTime now = DateTime.now();
       final transactionDate = normalizeDate(date.toLocal());
       final todayDate = normalizeDate(now);
-      final yesterdayDate =
-          normalizeDate(now.subtract(const Duration(days: 1)));
-      final isSameWeek = weekNumber(transactionDate) == weekNumber(now) &&
-          transactionDate.year == now.year;
-      final isTodayOrYesterday =
-          transactionDate == todayDate || transactionDate == yesterdayDate;
+      final yesterdayDate = normalizeDate(now.subtract(const Duration(days: 1)));
+      final isSameWeek = weekNumber(transactionDate) == weekNumber(now) && transactionDate.year == now.year;
+      final isTodayOrYesterday = transactionDate == todayDate || transactionDate == yesterdayDate;
 
       if (transactionDate == todayDate) {
         return "today".tr();
@@ -299,8 +328,7 @@ class DuniterIndexer with ChangeNotifier {
       finalAmount = '$amount $currencyName';
     }
 
-    bool isMigrationTime =
-        startBlockchainInitialized && date.compareTo(startBlockchainTime) < 0;
+    bool isMigrationTime = startBlockchainInitialized && date.compareTo(startBlockchainTime) < 0;
 
     return {
       'finalAmount': finalAmount,

lib/providers/search.dart

@@ -6,6 +6,8 @@ class SearchProvider with ChangeNotifier {
   final searchController = TextEditingController();
   List searchResult = [];
   int resultLenght = 0;
+  bool canPasteAddress = false;
+  String pastedAddress = '';
 
   void reload() {
     notifyListeners();

lib/screens/home.dart

@@ -37,10 +37,8 @@ class _HomeScreenState extends State<HomeScreen> {
     WidgetsBinding.instance.addPostFrameCallback((_) async {
       final homeProvider = Provider.of<HomeProvider>(context, listen: false);
       final sub = Provider.of<SubstrateSdk>(context, listen: false);
-      final duniterIndexer =
-          Provider.of<DuniterIndexer>(context, listen: false);
-      final myWalletProvider =
-          Provider.of<MyWalletsProvider>(context, listen: false);
+      final duniterIndexer = Provider.of<DuniterIndexer>(context, listen: false);
+      final myWalletProvider = Provider.of<MyWalletsProvider>(context, listen: false);
       final datapod = Provider.of<V2sDatapodProvider>(context, listen: false);
 
       final bool isWalletsExists = myWalletProvider.isWalletsExists();
@@ -77,35 +75,12 @@ class _HomeScreenState extends State<HomeScreen> {
         homeProvider.isWalletBoxInit = true;
         myWalletProvider.reload();
 
-        duniterIndexer.getValidIndexerEndpoint().then((validIndexerEndpoint) {
-          final wsLinkIndexer = WebSocketLink(
-            'wss://$validIndexerEndpoint/v1beta1/relay',
-          );
-
-          // const headerWebsocket =
-          //     datapodEndpoint == '10.0.2.2:8080' ? 'ws' : 'wss';
-          // final wsLinkDatapod = WebSocketLink(
-          //   '$headerWebsocket://$datapodEndpoint/v1/graphql',
-          // );
-
-          duniterIndexer.indexerClient = GraphQLClient(
-            cache: GraphQLCache(),
-            link: wsLinkIndexer,
-          );
-
-          // datapod.datapodClient = GraphQLClient(
-          //   cache: GraphQLCache(),
-          //   link: wsLinkDatapod,
-          // );
-        });
-
         await homeProvider.getValidEndpoints();
         if (configBox.get('isCacheChecked') == null) {
           configBox.put('isCacheChecked', false);
         }
 
-        Future<void> updateConnectionStatus(
-            List<ConnectivityResult> result) async {
+        Future<void> updateConnectionStatus(List<ConnectivityResult> result) async {
           log.i('Network changed: $result');
           if (result.contains(ConnectivityResult.none)) {
             sub.nodeConnected = false;
@@ -117,6 +92,22 @@ class _HomeScreenState extends State<HomeScreen> {
             var connectivityResult = await (Connectivity().checkConnectivity());
             if (!connectivityResult.contains(ConnectivityResult.none)) {
               await sub.connectNode();
+
+              //Connect to Indexer
+              final validIndexerEndpoint = await duniterIndexer.getValidIndexerEndpoint();
+              final wsLinkIndexer = WebSocketLink(
+                'wss://$validIndexerEndpoint/v1beta1/relay',
+              );
+
+              duniterIndexer.indexerClient = GraphQLClient(
+                cache: GraphQLCache(),
+                link: wsLinkIndexer,
+              );
+
+              // Indexer Blockchain start
+              duniterIndexer.getBlockStart();
+
+              homeProvider.changeMessage("Node and indexer synced !".tr(), 5);
             }
           }
         }
@@ -135,9 +126,7 @@ class _HomeScreenState extends State<HomeScreen> {
     Provider.of<ChestProvider>(context);
     final isWalletsExists = myWalletProvider.isWalletsExists();
 
-    isTall = (MediaQuery.of(context).size.height /
-            MediaQuery.of(context).size.width) >
-        1.75;
+    isTall = (MediaQuery.of(context).size.height / MediaQuery.of(context).size.width) > 1.75;
 
     return Scaffold(
         resizeToAvoidBottomInset: false,
@@ -158,8 +147,7 @@ Widget geckHome(context) {
         fit: BoxFit.cover,
       ),
     ),
-    child:
-        Column(crossAxisAlignment: CrossAxisAlignment.start, children: <Widget>[
+    child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: <Widget>[
       Stack(children: <Widget>[
         Positioned(
           top: statusBarHeight + scaleSize(10),
@@ -177,15 +165,12 @@ Widget geckHome(context) {
           ),
         ),
         Align(
-          child: Image(
-              image: const AssetImage('assets/home/header.png'),
-              height: scaleSize(165)),
+          child: Image(image: const AssetImage('assets/home/header.png'), height: scaleSize(165)),
         ),
       ]),
       Padding(
         padding: const EdgeInsets.only(top: 15),
-        child:
-            Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
+        child: Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
           DefaultTextStyle(
             textAlign: TextAlign.center,
             style: scaledTextStyle(
@@ -246,8 +231,7 @@ Widget welcomeHome(context) {
         fit: BoxFit.cover,
       ),
     ),
-    child:
-        Column(crossAxisAlignment: CrossAxisAlignment.start, children: <Widget>[
+    child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: <Widget>[
       Stack(children: <Widget>[
         Positioned(
           top: statusBarHeight + scaleSize(10),
@@ -265,15 +249,12 @@ Widget welcomeHome(context) {
           ),
         ),
         Align(
-          child: Image(
-              image: const AssetImage('assets/home/header.png'),
-              height: scaleSize(165)),
+          child: Image(image: const AssetImage('assets/home/header.png'), height: scaleSize(165)),
         ),
       ]),
       Padding(
         padding: const EdgeInsets.only(top: 1),
-        child:
-            Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
+        child: Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
           Text(
             "fastAppDescription".tr(args: [currencyName]),
             textAlign: TextAlign.center,
@@ -321,8 +302,7 @@ Widget welcomeHome(context) {
                       Padding(
                         padding: EdgeInsets.only(top: scaleSize(55)),
                         child: Image(
-                          image: const AssetImage(
-                              'assets/home/gecko-bienvenue.png'),
+                          image: const AssetImage('assets/home/gecko-bienvenue.png'),
                           height: scaleSize(180),
                         ),
                       ),
@@ -356,10 +336,7 @@ Widget welcomeHome(context) {
                     },
                     child: Text(
                       'createWallet'.tr(),
-                      style: scaledTextStyle(
-                          fontSize: 20,
-                          fontWeight: FontWeight.w600,
-                          color: Colors.white),
+                      style: scaledTextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: Colors.white),
                     ),
                   ),
                 ),
@@ -369,8 +346,7 @@ Widget welcomeHome(context) {
                   height: 60,
                   child: OutlinedButton(
                     key: keyRestoreChest,
-                    style: OutlinedButton.styleFrom(
-                        side: BorderSide(width: scaleSize(4), color: orangeC)),
+                    style: OutlinedButton.styleFrom(side: BorderSide(width: scaleSize(4), color: orangeC)),
                     onPressed: () {
                       Navigator.push(
                         context,
@@ -383,10 +359,7 @@ Widget welcomeHome(context) {
                     },
                     child: Text(
                       "restoreWallet".tr(),
-                      style: scaledTextStyle(
-                          fontSize: 20,
-                          color: orangeC,
-                          fontWeight: FontWeight.w600),
+                      style: scaledTextStyle(fontSize: 20, color: orangeC, fontWeight: FontWeight.w600),
                     ),
                   ),
                 ),

lib/screens/search.dart

@@ -2,16 +2,15 @@
 
 import 'dart:async';
 import 'package:easy_localization/easy_localization.dart';
-import 'package:flutter/services.dart';
 import 'package:gecko/globals.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/models/scale_functions.dart';
 import 'package:gecko/models/widgets_keys.dart';
 import 'package:gecko/providers/search.dart';
-import 'package:gecko/providers/wallets_profiles.dart';
 import 'package:gecko/screens/my_contacts.dart';
 import 'package:gecko/screens/search_result.dart';
 import 'package:gecko/screens/wallet_view.dart';
+import 'package:gecko/widgets/clipboard_monitor.dart';
 import 'package:gecko/widgets/commons/offline_info.dart';
 import 'package:gecko/widgets/commons/top_appbar.dart';
 import 'package:provider/provider.dart';
@@ -26,47 +25,13 @@ class SearchScreen extends StatefulWidget {
 class _SearchScreenState extends State<SearchScreen> {
   Timer? debounce;
   final int debouneTime = 50;
-  bool canPasteAddress = false;
-  String pastedAddress = '';
-  Timer? clipboardPollingTimer;
-
-  void getClipBoard() {
-    final searchProvider = Provider.of<SearchProvider>(context, listen: false);
-
-    // Function to check clipboard and update if necessary
-    Future<void> checkAndUpdateClipboard() async {
-      final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
-      if (clipboardData?.text?.isEmpty ?? true) return;
-      if (clipboardData!.text != pastedAddress) {
-        canPasteAddress = await isAddress(clipboardData.text!);
-        if (!canPasteAddress) return;
-        pastedAddress = clipboardData.text!;
-        searchProvider.reload();
-      }
-    }
-
-    // Check clipboard immediately
-    checkAndUpdateClipboard();
-
-    // Set up the periodic clipboard checking
-    clipboardPollingTimer =
-        Timer.periodic(const Duration(milliseconds: 500), (_) async {
-      await checkAndUpdateClipboard();
-    });
-  }
 
   @override
   void initState() {
-    getClipBoard();
+    ClipboardMonitor().startMonitoring();
     super.initState();
   }
 
-  @override
-  void dispose() {
-    clipboardPollingTimer?.cancel();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     final searchProvider = Provider.of<SearchProvider>(context);
@@ -139,13 +104,9 @@ class _SearchScreenState extends State<SearchScreen> {
                         height: scaleSize(10),
                       ),
                     ),
-                    border: OutlineInputBorder(
-                        borderSide:
-                            BorderSide(color: Colors.grey[500]!, width: 2),
-                        borderRadius: BorderRadius.circular(8)),
+                    border: OutlineInputBorder(borderSide: BorderSide(color: Colors.grey[500]!, width: 2), borderRadius: BorderRadius.circular(8)),
                     focusedBorder: OutlineInputBorder(
-                      borderSide:
-                          BorderSide(color: Colors.grey[500]!, width: 2.5),
+                      borderSide: BorderSide(color: Colors.grey[500]!, width: 2.5),
                       borderRadius: BorderRadius.circular(8),
                     ),
                     contentPadding: const EdgeInsets.all(13),
@@ -177,13 +138,12 @@ class _SearchScreenState extends State<SearchScreen> {
                             }),
                           );
                         }
-                      : canPasteAddress
+                      : searchProvider.canPasteAddress
                           ? () async {
                               Navigator.push(
                                 context,
                                 MaterialPageRoute(builder: (context) {
-                                  return WalletViewScreen(
-                                      address: pastedAddress, username: null);
+                                  return WalletViewScreen(address: searchProvider.pastedAddress, username: null);
                                 }),
                               );
                             }
@@ -191,14 +151,11 @@ class _SearchScreenState extends State<SearchScreen> {
                   child: Text(
                     canValidate
                         ? 'search'.tr()
-                        : canPasteAddress
+                        : searchProvider.canPasteAddress
                             ? 'pasteAddress'.tr()
                             : 'search'.tr(),
                     textAlign: TextAlign.center,
-                    style: scaledTextStyle(
-                        fontSize: 16,
-                        fontWeight: FontWeight.w500,
-                        color: Colors.white),
+                    style: scaledTextStyle(fontSize: 16, fontWeight: FontWeight.w500, color: Colors.white),
                   ),
                 ),
               ),

lib/widgets/clipboard_monitor.dart

+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:gecko/globals.dart';
+import 'package:gecko/providers/search.dart';
+import 'package:gecko/providers/wallets_profiles.dart';
+import 'package:provider/provider.dart';
+
+class ClipboardMonitor extends ChangeNotifier {
+  String? _lastClipboardContent;
+  Timer? _debounceTimer;
+  final searchProvider = Provider.of<SearchProvider>(homeContext, listen: false);
+
+  void startMonitoring() {
+    _checkClipboard();
+  }
+
+  void _checkClipboard() async {
+    final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
+    final newContent = clipboardData?.text;
+
+    if (newContent != null && newContent != _lastClipboardContent) {
+      _lastClipboardContent = newContent;
+      _debounceTimer?.cancel();
+      _debounceTimer = Timer(const Duration(milliseconds: 300), () async {
+        if (await isAddress(newContent)) {
+          searchProvider.pastedAddress = newContent;
+          searchProvider.canPasteAddress = true;
+          searchProvider.reload();
+        } else {
+          searchProvider.pastedAddress = '';
+          searchProvider.canPasteAddress = false;
+          searchProvider.reload();
+        }
+      });
+    }
+
+    Future.delayed(const Duration(seconds: 1), _checkClipboard);
+  }
+
+  @override
+  void dispose() {
+    _debounceTimer?.cancel();
+    searchProvider.canPasteAddress = false;
+    super.dispose();
+  }
+}