diff --git a/lib/api.dart b/lib/api.dart
index b76e935..93170bc 100644
--- a/lib/api.dart
+++ b/lib/api.dart
@@ -7,7 +7,8 @@ import "package:gql_link/gql_link.dart";
 import 'package:intl/intl.dart';
 
 // Configure node
-const graphqlEndpoint = "https://g1.librelois.fr/gva";
+// const graphqlEndpoint = "https://g1.librelois.fr/gva";
+const graphqlEndpoint = 'http://127.0.0.1:10060/gva';
 
 // // Check node connection
 // Future getHttp() async {
diff --git a/lib/functions.dart b/lib/functions.dart
deleted file mode 100644
index 8b13789..0000000
--- a/lib/functions.dart
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/lib/home.dart b/lib/home.dart
index acab5e6..7ae2b59 100644
--- a/lib/home.dart
+++ b/lib/home.dart
@@ -5,7 +5,7 @@ import 'dart:ui';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:qrscan/qrscan.dart' as scanner;
 import 'api.dart';
-import "package:dio/dio.dart";
+// import "package:dio/dio.dart";
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'query.dart';
 
@@ -15,13 +15,14 @@ class HistoryListScreen extends StatefulWidget {
   _HistoryListScreenState createState() => _HistoryListScreenState();
 }
 
-class _HistoryListScreenState extends State<HistoryListScreen> {
+class _HistoryListScreenState extends State<HistoryListScreen>
+    with ChangeNotifier {
   Uint8List bytes = Uint8List(0);
   TextEditingController _outputPubkey;
   TextEditingController _outputBalance;
   final nRepositories = 3;
   var pubkey = '';
-  var titi = 'totooooooop';
+  bool isBuilding = true; // Just for debug
   ScrollController _scrollController = new ScrollController();
 
   @override
@@ -42,7 +43,7 @@ class _HistoryListScreenState extends State<HistoryListScreen> {
 
     // var pubkey = '';
     print('Build state : ' + pubkey);
-    print(titi);
+    print('isBuilding: ' + isBuilding.toString());
     return MaterialApp(
         home: Scaffold(
             backgroundColor: Colors.grey[300],
@@ -278,11 +279,11 @@ class _HistoryListScreenState extends State<HistoryListScreen> {
             )));
   }
 
-  Future checkNode() async {
-    final response = await Dio().post(graphqlEndpoint);
-    showHistory(response);
-    return response;
-  }
+  // Future checkNode() async {
+  //   final response = await Dio().post(graphqlEndpoint);
+  //   showHistory(response);
+  //   return response;
+  // }
 
   Future _scan() async {
     await Permission.camera.request();
@@ -310,6 +311,8 @@ class _HistoryListScreenState extends State<HistoryListScreen> {
 
       // var tata = _scrollController;
 
+      notifyListeners();
+
       setState(() {
         print('setPubkey: ' + pubkey);
         pubkey = pubkey;
diff --git a/lib/main.dart b/lib/main.dart
index bec1bed..cc3fb1f 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -5,15 +5,16 @@ import 'package:flutter/material.dart';
 import 'home.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
 
-void main() {
-  runApp(Gecko());
-}
+void main() => runApp(Gecko());
 
 class Gecko extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final _httpLink = HttpLink(
-      'https://g1.librelois.fr/gva',
+      'http://127.0.0.1:30901/gva',
+      // defaultHeaders: <String, String>{
+      //   'Content-Type': 'application/json',
+      // },
     );
 
     final _client = ValueNotifier(
diff --git a/pubspec.lock b/pubspec.lock
index fb835d8..50dc01d 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -218,14 +218,14 @@ packages:
       name: graphql
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0-beta.5"
+    version: "4.0.0-beta.6"
   graphql_flutter:
     dependency: "direct main"
     description:
       name: graphql_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0-beta.5"
+    version: "4.0.0-beta.6"
   hive:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index dc05e71..cf4992a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.0.0+4
+version: 0.0.0+5
 
 environment:
   sdk: ">=2.7.0 <3.0.0"
@@ -34,7 +34,7 @@ dependencies:
   intl:
   flutter_launcher_icons: "^0.8.0"
   infinite_scroll_pagination: ^2.2.3
-  graphql_flutter: ^4.0.0-beta.5 #^3.1.0
+  graphql_flutter: ^4.0.0-beta.6 #^3.1.0
 
 
 flutter_icons: