/// <summary>
/// Refreshes the StoredOffset
/// </summary>
public void Refresh(ApiTime exchangetime)
{
if (exchangetime == null)
{
throw new ArgumentNullException(nameof(exchangetime));
}
this.StoredOffset = exchangetime.UnixTimestamp - DateTime.UtcNow.ToUnixTimestamp();
}
/// <summary>
/// Returns the real time offset between the GDAX API web servers time and the clients local time in seconds.
/// <para>To allow the client time to more closely match the GDAX API web servers time reducing the likelyhood of a "request timestamp expired" exception,</para>
/// <para>use <see cref="StoredOffset"/> to get the stored offset and use <see cref="Refresh"/> to refresh the stored offset.</para>
/// <para>Note that the real vs stored offset can change over time, periodically check that the real vs stored value does not exceed
/// ±30 seconds and refresh when it does, or you will start to recieve "request timestamp expired" exceptions.</para>
/// </summary>
public double RealOffset(ApiTime exchangetime)
{
if (exchangetime == null)
{
throw new ArgumentNullException(nameof(exchangetime));
}
return(exchangetime.UnixTimestamp - DateTime.UtcNow.ToUnixTimestamp());
}
