Hello substrate sandbox: Successfully connected to local duniter v2s node;...

Hello substrate sandbox: Successfully connected to local duniter v2s node; Best bloc realtime subscription

android/app/build.gradle

@@ -45,8 +45,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "gecko.axiomteam.fr"
-        minSdkVersion 16
-        targetSdkVersion 30
+        minSdkVersion 19
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         multiDexEnabled true

android/app/src/main/AndroidManifest.xml

@@ -9,9 +9,12 @@
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
-    <application android:requestLegacyExternalStorage="true"
+    <application
+        android:requestLegacyExternalStorage="true"
         android:name="${applicationName}"
-        android:label="Ğecko">
+        android:label="Ğecko"
+        android:usesCleartextTraffic="true">
+        <!-- TODO: Remove usesCleartextTraffic for production mode ! kopa -->
         <!-- android:icon="@mipmap/ic_launcher"> -->
         <activity
             android:requestLegacyExternalStorage="true"

lib/main.dart

@@ -25,6 +25,7 @@ import 'package:gecko/models/chest_data.dart';
 import 'package:gecko/providers/chest_provider.dart';
 import 'package:gecko/models/g1_wallets_list.dart';
 import 'package:gecko/providers/generate_wallets.dart';
+import 'package:gecko/providers/substrate_sdk.dart';
 import 'package:gecko/providers/wallets_profiles.dart';
 import 'package:gecko/providers/home.dart';
 import 'package:gecko/providers/my_wallets.dart';
@@ -154,7 +155,8 @@ class Gecko extends StatelessWidget {
         ChangeNotifierProvider(create: (_) => WalletOptionsProvider()),
         ChangeNotifierProvider(create: (_) => ChangePinProvider()),
         ChangeNotifierProvider(create: (_) => SearchProvider()),
-        ChangeNotifierProvider(create: (_) => CesiumPlusProvider())
+        ChangeNotifierProvider(create: (_) => CesiumPlusProvider()),
+        ChangeNotifierProvider(create: (_) => SubstrateSdk())
       ],
       child: GraphQLProvider(
         client: _client,
@@ -178,8 +180,8 @@ class Gecko extends StatelessWidget {
             ),
             primaryColor: const Color(0xffFFD58D),
             textTheme: const TextTheme(
-              bodyText1: TextStyle(),
-              bodyText2: TextStyle(),
+              bodyText1: TextStyle(fontSize: 20),
+              bodyText2: TextStyle(fontSize: 18),
             ).apply(
               bodyColor: const Color(0xFF000000),
             ),

lib/providers/substrate_sdk.dart

+import 'package:flutter/material.dart';
+import 'package:polkawallet_sdk/api/types/networkParams.dart';
+import 'package:polkawallet_sdk/polkawallet_sdk.dart';
+import 'package:polkawallet_sdk/storage/keyring.dart';
+
+class SubstrateSdk with ChangeNotifier {
+  final String subNode = '192.168.1.85:9944';
+  final bool isSsl = false;
+
+  final WalletSDK sdk = WalletSDK();
+  final Keyring keyring = Keyring();
+  bool sdkReady = false;
+  bool nodeConnected = false;
+  int blocNumber = 0;
+
+  Future<void> initApi() async {
+    await keyring.init([0, 2]);
+
+    await sdk.init(keyring);
+    sdkReady = true;
+    notifyListeners();
+  }
+
+  Future<void> connectNode() async {
+    final String socketKind = isSsl ? 'wss' : 'ws';
+    final node = NetworkParams();
+    node.name = 'pokaniter';
+    node.endpoint = '$socketKind://$subNode';
+    node.ss58 = 42;
+    final res = await sdk.api.connectNode(keyring, [node]).timeout(
+      const Duration(seconds: 10),
+      onTimeout: () => null,
+    );
+    if (res != null) {
+      nodeConnected = true;
+      notifyListeners();
+    }
+
+    // Subscribe bloc number
+    sdk.api.setting.subscribeBestNumber((res) {
+      blocNumber = int.parse(res.toString());
+      notifyListeners();
+    });
+  }
+}

lib/screens/home.dart

@@ -12,6 +12,7 @@ import 'package:gecko/screens/onBoarding/1.dart';
 import 'package:gecko/screens/search.dart';
 import 'package:gecko/screens/settings.dart';
 import 'package:flutter/services.dart';
+import 'package:gecko/screens/substrate_sandbox.dart';
 import 'package:provider/provider.dart';
 
 class HomeScreen extends StatelessWidget {
@@ -176,9 +177,28 @@ Widget geckHome(context) {
                     ),
                   ],
                 ),
-              )
+              ),
             ]),
       ),
+      const SizedBox(height: 15),
+      Row(mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[
+        ElevatedButton(
+          style: ElevatedButton.styleFrom(
+            primary: yellowC, // background
+            onPrimary: Colors.black, // foreground
+          ),
+          onPressed: () => Navigator.push(
+            context,
+            MaterialPageRoute(builder: (context) {
+              return const SubstrateSandBox();
+            }),
+          ),
+          child: const Text(
+            'SUBSTRATE SANDBOX',
+            style: TextStyle(fontSize: 20),
+          ),
+        ),
+      ]),
       Expanded(
         flex: 1,
         child: Container(

lib/screens/substrate_sandbox.dart

+import 'package:flutter/material.dart';
+import 'package:gecko/globals.dart';
+import 'package:gecko/providers/substrate_sdk.dart';
+import 'package:provider/provider.dart';
+
+class SubstrateSandBox extends StatelessWidget {
+  const SubstrateSandBox({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    SubstrateSdk _sub = Provider.of<SubstrateSdk>(context, listen: false);
+
+    return StatefulWrapper(
+      onInit: () async {
+        await _sub.initApi();
+        await _sub.connectNode();
+      },
+      child: Scaffold(
+        appBar: AppBar(
+          toolbarHeight: 60 * ratio,
+          title: const SizedBox(
+            height: 22,
+            child: Text('Substrate Sandbox'),
+          ),
+        ),
+        body: SafeArea(
+          child: Consumer<SubstrateSdk>(builder: (context, _sub, _) {
+            return Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: <Widget>[
+                  Text('js-api chargé ?: ${_sub.sdkReady}'),
+                  Text(
+                      'Noeud connecté ?: ${_sub.nodeConnected} (${_sub.subNode})'),
+                  if (_sub.nodeConnected)
+                    Text('Numéro de bloc: ${_sub.blocNumber}'),
+                ]);
+          }),
+        ),
+      ),
+    );
+  }
+}
+
+class StatefulWrapper extends StatefulWidget {
+  final Function onInit;
+  final Widget child;
+  const StatefulWrapper({Key? key, required this.onInit, required this.child})
+      : super(key: key);
+  @override
+  _StatefulWrapperState createState() => _StatefulWrapperState();
+}
+
+class _StatefulWrapperState extends State<StatefulWrapper> {
+  @override
+  void initState() {
+    widget.onInit();
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return widget.child;
+  }
+}

pubspec.lock

@@ -8,6 +8,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "30.0.0"
+  aes_ecb_pkcs5_flutter:
+    dependency: transitive
+    description:
+      name: aes_ecb_pkcs5_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
   analyzer:
     dependency: transitive
     description:
@@ -43,6 +50,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.8.2"
+  auth_header:
+    dependency: transitive
+    description:
+      name: auth_header
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   barcode:
     dependency: transitive
     description:
@@ -347,6 +361,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_inappwebview:
+    dependency: transitive
+    description:
+      name: flutter_inappwebview
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.3.2"
   flutter_launcher_icons:
     dependency: "direct main"
     description:
@@ -404,6 +425,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  get:
+    dependency: transitive
+    description:
+      name: get
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.6.1"
+  get_storage:
+    dependency: transitive
+    description:
+      name: get_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.3"
   glob:
     dependency: transitive
     description:
@@ -530,6 +565,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.0"
+  http_server:
+    dependency: transitive
+    description:
+      name: http_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   image:
     dependency: transitive
     description:
@@ -591,6 +633,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  jaguar:
+    dependency: transitive
+    description:
+      name: jaguar
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.12"
+  jaguar_common:
+    dependency: transitive
+    description:
+      name: jaguar_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  jaguar_flutter_asset:
+    dependency: transitive
+    description:
+      name: jaguar_flutter_asset
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
   jdenticon_dart:
     dependency: "direct main"
     description:
@@ -668,6 +731,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
+  mobx:
+    dependency: transitive
+    description:
+      name: mobx
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.6+1"
   nested:
     dependency: transitive
     description:
@@ -815,6 +885,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
+  path_tree:
+    dependency: transitive
+    description:
+      name: path_tree
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
   pdf:
     dependency: "direct main"
     description:
@@ -885,6 +962,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.4.0"
+  polkawallet_sdk:
+    dependency: "direct main"
+    description:
+      name: polkawallet_sdk
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.1"
   pool:
     dependency: transitive
     description:
@@ -1258,6 +1342,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
+  webview_flutter:
+    dependency: transitive
+    description:
+      name: webview_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.8.0"
+  webview_flutter_android:
+    dependency: transitive
+    description:
+      name: webview_flutter_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.8.3"
+  webview_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: webview_flutter_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.0"
+  webview_flutter_wkwebview:
+    dependency: transitive
+    description:
+      name: webview_flutter_wkwebview
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.7.1"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -72,6 +72,7 @@ dependencies:
   desktop_window: ^0.4.0
   durt: ^0.1.6
   package_info_plus: ^1.3.0
+  polkawallet_sdk: ^0.4.1
 
 flutter_icons:
   android: "ic_launcher"