From cf397af3abcba6e6c079392ab91db077b6ef7538 Mon Sep 17 00:00:00 2001
From: Jkorf <jankorf91@gmail.com>
Date: Tue, 21 Jan 2025 13:47:05 +0100
Subject: [PATCH] Added GetMillisecondTimestampLong helper method to
 AuthenticationProvider

---
 .../Authentication/AuthenticationProvider.cs           | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CryptoExchange.Net/Authentication/AuthenticationProvider.cs b/CryptoExchange.Net/Authentication/AuthenticationProvider.cs
index 533475a..c2ca2e4 100644
--- a/CryptoExchange.Net/Authentication/AuthenticationProvider.cs
+++ b/CryptoExchange.Net/Authentication/AuthenticationProvider.cs
@@ -443,6 +443,16 @@ namespace CryptoExchange.Net.Authentication
             return DateTimeConverter.ConvertToMilliseconds(GetTimestamp(apiClient)).Value.ToString(CultureInfo.InvariantCulture);
         }
 
+        /// <summary>
+        /// Get millisecond timestamp as a long including the time sync offset from the api client
+        /// </summary>
+        /// <param name="apiClient"></param>
+        /// <returns></returns>
+        protected long GetMillisecondTimestampLong(RestApiClient apiClient)
+        {
+            return DateTimeConverter.ConvertToMilliseconds(GetTimestamp(apiClient)).Value;
+        }
+
         /// <summary>
         /// Return the serialized request body
         /// </summary>