From fd16d20fd55f721488e8e251edf6082d94d958b9 Mon Sep 17 00:00:00 2001
From: CryptoFish <13164589+KingGorrin@users.noreply.github.com>
Date: Tue, 5 Mar 2024 09:40:04 +0100
Subject: [PATCH] Load community nodes from assets (#69)

---
 .github/workflows/syrius_builder.yml | 25 +++++++++++++++++++++++++
 assets/community-nodes.json          |  1 +
 lib/main.dart                        | 18 ++++++++++++++++++
 lib/utils/functions.dart             |  7 +++++++
 lib/utils/global.dart                |  7 ++-----
 5 files changed, 53 insertions(+), 5 deletions(-)
 create mode 100644 assets/community-nodes.json

diff --git a/.github/workflows/syrius_builder.yml b/.github/workflows/syrius_builder.yml
index 368959b4..34f0cf1a 100644
--- a/.github/workflows/syrius_builder.yml
+++ b/.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/flutter-action@v2.10.0
         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
diff --git a/assets/community-nodes.json b/assets/community-nodes.json
new file mode 100644
index 00000000..0637a088
--- /dev/null
+++ b/assets/community-nodes.json
@@ -0,0 +1 @@
+[]
\ No newline at end of file
diff --git a/lib/main.dart b/lib/main.dart
index 5550c81e..e1c4ffa8 100644
--- a/lib/main.dart
+++ b/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>();
diff --git a/lib/utils/functions.dart b/lib/utils/functions.dart
index b0fc0e44..7cb1d350 100644
--- a/lib/utils/functions.dart
+++ b/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);
+}
\ No newline at end of file
diff --git a/lib/utils/global.dart b/lib/utils/global.dart
index 594b28dd..2c4a2b7b 100644
--- a/lib/utils/global.dart
+++ b/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'
-];
\ No newline at end of file
+// Community supplied public rpc nodes
+List<String> kDefaultCommunityNodes = [];
\ No newline at end of file