private static async Task MakeAuthentication(TLSharp.Core.TelegramClient client, string mainPhoneNumber)
{
var hash = await client.SendCodeRequestAsync(mainPhoneNumber);
Console.WriteLine("waiting for code");
var code = Console.ReadLine();
var user = await client.MakeAuthAsync(mainPhoneNumber, hash, code);
if (!client.IsUserAuthorized())
{
hash = await client.SendCodeRequestAsync(mainPhoneNumber);
Console.WriteLine("please try again.add code");
code = Console.ReadLine();
user = await client.MakeAuthAsync(mainPhoneNumber, hash, code);
}
}