From 66adb00d16920e10ad4944f40d0d06f855da4d66 Mon Sep 17 00:00:00 2001
From: OmarHatem <omarh.ismail1@gmail.com>
Date: Wed, 13 Aug 2025 00:19:47 +0300
Subject: [PATCH] Replace Zano default node

---
 assets/zano_node_list.yml                    |  2 +-
 lib/entities/default_settings_migration.dart | 50 +++++---------------
 lib/entities/zano_alias.dart                 |  2 +-
 3 files changed, 15 insertions(+), 39 deletions(-)

diff --git a/assets/zano_node_list.yml b/assets/zano_node_list.yml
index 26a1b797d..17bba5f44 100644
--- a/assets/zano_node_list.yml
+++ b/assets/zano_node_list.yml
@@ -1,9 +1,9 @@
 -
   uri: 37.27.100.59:10500
+  is_default: true
   useSSL: false
   isEnabledForAutoSwitching: true
 -
   uri: zano.cakewallet.com:11211
-  is_default: true
   useSSL: false
   isEnabledForAutoSwitching: true
\ No newline at end of file
diff --git a/lib/entities/default_settings_migration.dart b/lib/entities/default_settings_migration.dart
index 0d573195f..6077ade30 100644
--- a/lib/entities/default_settings_migration.dart
+++ b/lib/entities/default_settings_migration.dart
@@ -43,7 +43,7 @@ const solanaDefaultNodeUri = 'solana-mainnet.core.chainstack.com';
 const tronDefaultNodeUri = 'api.trongrid.io';
 const newCakeWalletBitcoinUri = 'btc-electrum.cakewallet.com:50002';
 const wowneroDefaultNodeUri = 'node3.monerodevs.org:34568';
-const zanoDefaultNodeUri = 'zano.cakewallet.com:11211';
+const zanoDefaultNodeUri = '37.27.100.59:10500';
 const moneroWorldNodeUri = '.moneroworld.com';
 const decredDefaultUri = "default-spv-nodes";
 const dogecoinDefaultNodeUri = 'dogecoin.stackwallet.com:50022';
@@ -348,8 +348,12 @@ Future<void> defaultSettingsMigration(
           break;
         case 36:
           await addWalletNodeList(nodes: nodes, type: WalletType.wownero);
-          await changeWowneroCurrentNodeToDefault(
-              sharedPreferences: sharedPreferences, nodes: nodes);
+          await _changeDefaultNode(
+            nodes: nodes,
+            sharedPreferences: sharedPreferences,
+            type: WalletType.wownero,
+            currentNodePreferenceKey: PreferencesKey.currentWowneroNodeIdKey,
+          );
           break;
         case 37:
           // removed as it would be replaced again anyway
@@ -516,6 +520,12 @@ Future<void> defaultSettingsMigration(
           migrateExistingNodesToUseAutoSwitching(nodes: nodes, powNodes: powNodes);
           break;
         case 51:
+          _changeDefaultNode(
+            nodes: nodes,
+            sharedPreferences: sharedPreferences,
+            type: WalletType.zano,
+            currentNodePreferenceKey: PreferencesKey.currentZanoNodeIdKey,
+          );
           await addWalletNodeList(nodes: nodes, type: WalletType.dogecoin);
           await _changeDefaultNode(
             nodes: nodes,
@@ -828,32 +838,6 @@ Node? getDefaultNode({required Box<Node> nodes, required WalletType type}) {
       nodes.values.firstWhereOrNull((node) => node.type == type);
 }
 
-Node getWowneroDefaultNode({required Box<Node> nodes}) {
-  final timeZone = DateTime.now().timeZoneOffset.inHours;
-  var nodeUri = '';
-
-  if (timeZone >= 1) {
-    // Eurasia
-    nodeUri = 'node2.monerodevs.org.lol:34568';
-  } else if (timeZone <= -4) {
-    // America
-    nodeUri = 'node3.monerodevs.org:34568';
-  }
-
-  if (nodeUri == '') {
-    return nodes.values.where((element) => element.type == WalletType.wownero).first;
-  }
-
-  try {
-    return nodes.values.firstWhere(
-      (Node node) => node.uriRaw == nodeUri,
-      orElse: () => nodes.values.where((element) => element.type == WalletType.wownero).first,
-    );
-  } catch (_) {
-    return nodes.values.where((element) => element.type == WalletType.wownero).first;
-  }
-}
-
 Future<void> insecureStorageMigration({
   required SharedPreferences sharedPreferences,
   required SecureStorage secureStorage,
@@ -1240,14 +1224,6 @@ Future<void> migrateExchangeStatus(SharedPreferences sharedPreferences) async {
   await sharedPreferences.remove(PreferencesKey.disableExchangeKey);
 }
 
-Future<void> changeWowneroCurrentNodeToDefault(
-    {required SharedPreferences sharedPreferences, required Box<Node> nodes}) async {
-  final node = getWowneroDefaultNode(nodes: nodes);
-  final nodeId = node.key as int? ?? 0;
-
-  await sharedPreferences.setInt(PreferencesKey.currentWowneroNodeIdKey, nodeId);
-}
-
 Future<void> addNanoPowNodeList({required Box<Node> nodes}) async {
   final nodeList = await loadDefaultNanoPowNodes();
   for (var node in nodeList) {
diff --git a/lib/entities/zano_alias.dart b/lib/entities/zano_alias.dart
index ec966e225..3d1c74969 100644
--- a/lib/entities/zano_alias.dart
+++ b/lib/entities/zano_alias.dart
@@ -6,7 +6,7 @@ import 'package:cw_core/utils/proxy_wrapper.dart';
 class ZanoAlias {
   static Future<String?> fetchZanoAliasAddress(String alias) async {
     try {
-      final uri = Uri.parse("http://zano.cakewallet.com:11211/json_rpc");
+      final uri = Uri.parse("http://37.27.100.59:10500/json_rpc");
       final response = await ProxyWrapper().post(
         clearnetUri: uri,
         body: json.encode({