Custom dns and http checks to try to fix VNP connectivy check #45

lib/ui/widgets/connectivity_widget_wrapper_wrapper.dart

+import 'dart:io';
+
 import 'package:connectivity_wrapper/connectivity_wrapper.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
@@ -13,7 +15,78 @@ class ConnectivityWidgetWrapperWrapper extends ConnectivityWidgetWrapper {
       super.disableInteraction,
       super.message,
       super.height})
-      : super(offlineWidget: isIOS ? child : offlineWidget);
+      : super(offlineWidget: isIOS ? child : offlineWidget) {
+    ConnectivityWrapper.instance.addresses = kIsWeb
+        ? <AddressCheckOptions>[]
+        : List<AddressCheckOptions>.unmodifiable(
+            <AddressCheckOptions>[
+              AddressCheckOptions(
+                hostname: 'duniter.org',
+                port: 443,
+              ),
+              AddressCheckOptions(
+                hostname: 'moneda-libre.org',
+                port: 443,
+              ),
+              // Cloudflare
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '1.1.1.1',
+                  type: InternetAddressType.IPv4,
+                ),
+              ),
+              // Cloudflare IPv6
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '2606:4700:4700::1111',
+                  type: InternetAddressType.IPv6,
+                ),
+              ),
+              // OpenDNS
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '208.67.222.222',
+                  type: InternetAddressType.IPv4,
+                ),
+              ),
+              // OpenDNS IPv6
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '2620:0:ccc::2',
+                  type: InternetAddressType.IPv6,
+                ),
+              ),
+              // Quad9 IPv4
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '9.9.9.9',
+                  type: InternetAddressType.IPv4,
+                ),
+              ),
+              // Quad9 IPv6
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '2620:fe::fe',
+                  type: InternetAddressType.IPv6,
+                ),
+              ),
+              // DNS.Watch IPv4
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '84.200.69.80',
+                  type: InternetAddressType.IPv4,
+                ),
+              ),
+              // DNS.Watch IPv6
+              AddressCheckOptions(
+                address: InternetAddress(
+                  '2001:1608:10:25::1c04:b12f',
+                  type: InternetAddressType.IPv6,
+                ),
+              ),
+            ],
+          );
+  }
 
   // This package does not work in IOS so we just return true
   // Also does not detect well in web production mode