Load community nodes from assets (#69)

.github/workflows/syrius_builder.yml

@@ -19,6 +19,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - name: Checkout zenon-node-database repository
+        uses: actions/checkout@v3
+        with:
+          repository: HyperCore-One/zenon-node-database
+          path: ./node-db
+          ref: main
+      - name: Copy community nodes
+        run: cp -r ./node-db/rpc-nodes-mainnet.json assets/community-nodes.json
       - name: Setup environment
         run: |
           brew install unzip create-dmg
@@ -63,6 +71,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - name: Checkout zenon-node-database repository
+        uses: actions/checkout@v3
+        with:
+          repository: HyperCore-One/zenon-node-database
+          path: ./node-db
+          ref: main
+      - name: Copy community nodes
+        shell: pwsh
+        run: Copy-Item .\node-db\rpc-nodes-mainnet.json .\assets\community-nodes.json -Force
       - name: Setup Flutter
         uses: subosito/[email protected]
         with:
@@ -89,6 +106,14 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - name: Checkout zenon-node-database repository
+        uses: actions/checkout@v3
+        with:
+          repository: HyperCore-One/zenon-node-database
+          path: ./node-db
+          ref: main
+      - name: Copy community nodes
+        run: cp -r ./node-db/rpc-nodes-mainnet.json assets/community-nodes.json
       - name: Prepare environment
         run: |
           sudo apt update

assets/community-nodes.json

@@ -0,0 +1 @@
+[]

lib/main.dart

@@ -25,6 +25,7 @@ import 'package:zenon_syrius_wallet_flutter/screens/screens.dart';
 import 'package:zenon_syrius_wallet_flutter/services/htlc_swaps_service.dart';
 import 'package:zenon_syrius_wallet_flutter/services/shared_prefs_service.dart';
 import 'package:zenon_syrius_wallet_flutter/services/wallet_connect_service.dart';
+import 'package:zenon_syrius_wallet_flutter/utils/functions.dart';
 import 'package:zenon_syrius_wallet_flutter/utils/utils.dart';
 import 'package:zenon_syrius_wallet_flutter/widgets/widgets.dart';
 import 'package:znn_sdk_dart/znn_sdk_dart.dart';
@@ -83,6 +84,9 @@ main() async {
   // Setup tray manager
   await _setupTrayManager();
 
+  // Load default community nodes from assets
+  await _loadDefaultCommunityNodes();
+
   // Register Hive adapters
   Hive.registerAdapter(NotificationTypeAdapter());
   Hive.registerAdapter(WalletNotificationAdapter());
@@ -160,6 +164,20 @@ Future<void> _setupTrayManager() async {
   await trayManager.setContextMenu(Menu(items: items));
 }
 
+Future<void> _loadDefaultCommunityNodes() async {
+  try {
+    var nodes = await loadJsonFromAssets('assets/community-nodes.json')
+        as List<dynamic>;
+    kDefaultCommunityNodes = nodes
+        .map((node) => node.toString())
+        .where((node) => InputValidators.node(node) == null)
+        .toList();
+  } catch (e, stackTrace) {
+    Logger('main')
+        .log(Level.WARNING, '_loadDefaultCommunityNodes', e, stackTrace);
+  }
+}
+
 void setup() {
   sl.registerSingleton<Zenon>(Zenon());
   zenon = sl<Zenon>();

lib/utils/functions.dart

@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:flutter/services.dart';
 import 'package:zenon_syrius_wallet_flutter/utils/global.dart';
 import 'package:znn_sdk_dart/znn_sdk_dart.dart';
@@ -26,3 +28,8 @@ Future<Signature> walletSign(List<int> message) async {
     kWalletFile!.close();
   }
 }
+
+Future<dynamic> loadJsonFromAssets(String filePath) async {
+  String jsonString = await rootBundle.loadString(filePath);
+  return jsonDecode(jsonString);
+}

lib/utils/global.dart

@@ -55,8 +55,5 @@ List<String> kDefaultNodes = [
   kLocalhostDefaultNodeUrl,
 ];
 
-// Community supplied public full nodes
-List<String> kDefaultCommunityNodes = [
-  'wss://my.hc1node.com:35998',
-  'wss://node.zenonhub.io:35998'
-];
+// Community supplied public rpc nodes
+List<String> kDefaultCommunityNodes = [];