feat: can refresh history and certs data with swipe down

lib/providers/duniter_indexer.dart

@@ -15,6 +15,7 @@ class DuniterIndexer with ChangeNotifier {
   List listIndexerEndpoints = [];
   bool isLoadingIndexer = false;
   bool hasNextPage = false;
+  Future<QueryResult<Object?>?> Function()? refetch;
 
   void reload() {
     notifyListeners();

lib/screens/activity.dart

@@ -32,13 +32,12 @@ class _ActivityScreenState extends State<ActivityScreen> {
 
   @override
   Widget build(BuildContext context) {
-    Provider.of<DuniterIndexer>(context, listen: true);
+    final duniterIndexer = Provider.of<DuniterIndexer>(context, listen: true);
 
     return PopScope(
-      // onPopInvoked: (_) {
-      //   duniterIndexer.fetchMoreCursor =
-      //       duniterIndexer.pageInfo = duniterIndexer.transBC = null;
-      // },
+      onPopInvoked: (_) {
+            duniterIndexer.refetch = duniterIndexer.transBC = null;
+      },
       child: Scaffold(
           appBar: AppBar(
             elevation: 0,

lib/widgets/certs_list.dart

@@ -97,21 +97,25 @@ class CertsList extends StatelessWidget {
           // Build history list
           return SizedBox(
             height: windowHeight,
-            child: ListView(
-              key: keyListTransactions,
-              children: <Widget>[
-                result.data == null
-                    ? Column(children: <Widget>[
-                        ScaledSizedBox(height: 50),
-                        Text(
-                          "noTransactionToDisplay".tr(),
-                          style: scaledTextStyle(fontSize: 18),
-                        )
-                      ])
-                    : Column(children: <Widget>[
-                        CertTile(listCerts: listCerts),
-                      ])
-              ],
+            child: RefreshIndicator(
+              color: orangeC,
+              onRefresh: () async => refetch!.call(),
+              child: ListView(
+                key: keyListTransactions,
+                children: <Widget>[
+                  result.data == null
+                      ? Column(children: <Widget>[
+                          ScaledSizedBox(height: 50),
+                          Text(
+                            "noTransactionToDisplay".tr(),
+                            style: scaledTextStyle(fontSize: 18),
+                          )
+                        ])
+                      : Column(children: <Widget>[
+                          CertTile(listCerts: listCerts),
+                        ])
+                ],
+              ),
             ),
           );
         },

lib/widgets/history_query.dart

@@ -64,6 +64,7 @@ class HistoryQuery extends StatelessWidget {
               },
             ),
             builder: (QueryResult result, {fetchMore, refetch}) {
+              duniterIndexer.refetch = refetch;
               if (result.isLoading && result.data == null) {
                 return const Center(
                   child: CircularProgressIndicator(
@@ -119,25 +120,27 @@ class HistoryQuery extends StatelessWidget {
               return NotificationListener(
                   child: Builder(
                     builder: (context) => Expanded(
-                      child: ListView(
-                        key: keyListTransactions,
-                        controller: scrollController,
-                        children: <Widget>[
-                          if (transactionId != null)
-                            TransactionInProgressTule(
-                                address: address, transactionId: transactionId),
-                          HistoryView(
-                            result: result,
-                            address: address,
-                          )
-                        ],
+                      child: RefreshIndicator(
+                        color: orangeC,
+                        onRefresh: () async => refetch!.call(),
+                        child: ListView(
+                          key: keyListTransactions,
+                          controller: scrollController,
+                          children: <Widget>[
+                            if (transactionId != null)
+                              TransactionInProgressTule(
+                                  address: address,
+                                  transactionId: transactionId),
+                            HistoryView(
+                              result: result,
+                              address: address,
+                            )
+                          ],
+                        ),
                       ),
                     ),
                   ),
                   onNotification: (dynamic t) {
-                    // if (duniterIndexer.pageInfo == null) {
-                    //   duniterIndexer.reload();
-                    // }
                     if (t is ScrollEndNotification &&
                         scrollController.position.pixels >=
                             scrollController.position.maxScrollExtent * 0.7 &&

lib/widgets/transaction_in_progress_tile.dart

@@ -90,7 +90,7 @@ class _TransactionInProgressTuleState extends State<TransactionInProgressTule> {
         translate: const Offset(0, -40),
         delay: const Duration(seconds: 2),
         duration: const Duration(milliseconds: 700),
-        onCompleted: () => duniterIndexer.reload(),
+        onCompleted: () async => duniterIndexer.refetch?.call(),
         child: Padding(
           padding: const EdgeInsets.all(8),
           child: Container(