From 900ed3a7050423cfe0a9921f60f26abffc03ee8b Mon Sep 17 00:00:00 2001
From: Federico Armellini <armellini.federico@gmail.com>
Date: Sun, 2 Aug 2020 16:12:16 +0200
Subject: [PATCH] TelegramClient.ResolveUsernameAsync

---
 TLSharp.Core/TelegramClient.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/TLSharp.Core/TelegramClient.cs b/TLSharp.Core/TelegramClient.cs
index e5b0819..dac8c3f 100644
--- a/TLSharp.Core/TelegramClient.cs
+++ b/TLSharp.Core/TelegramClient.cs
@@ -300,6 +300,17 @@ namespace TLSharp.Core
                 .ConfigureAwait(false);
         }
 
+        public async Task<TLResolvedPeer> ResolveUsernameAsync(string usernameToResolve, CancellationToken token = default(CancellationToken))
+        {
+            if (usernameToResolve.StartsWith("@"))
+                usernameToResolve = usernameToResolve.Substring(1);
+
+            var req = new TLRequestResolveUsername() { Username = usernameToResolve };
+
+            return await SendAuthenticatedRequestAsync<TLResolvedPeer>(req, token)
+                .ConfigureAwait(false);
+        }
+
         public async Task<TLImportedContacts> ImportContactsAsync(IReadOnlyList<TLInputPhoneContact> contacts, CancellationToken token = default(CancellationToken))
         {
             var req = new TLRequestImportContacts { Contacts = new TLVector<TLInputPhoneContact>(contacts)};