fetchCertificate method
override
Fetches the TLS leaf certificate from host via the method channel.
Sends fetchCertificate to the native platform with host, port,
and optional instanceId. Returns the PEM-encoded certificate string.
Implementation
@override
Future<String> fetchCertificate(String host,
{int port = 443, String? instanceId}) async {
final result = await methodChannel.invokeMethod<String>(
'fetchCertificate',
{'host': host, 'port': port, 'instanceId': instanceId},
);
return result!;
}