public static DateTime ParseShortTimeStamp(string stamp)
{
BigInteger bigInt = StringEncoder.FromString(stamp, StringEncoder.BASE36CHARS);
double dbl = (double)bigInt;
return(_shortStampBeginning.AddSeconds(dbl));
}
public static string GetShortTimeStamp()
{
var now = DateTime.Now;
if (now < _shortStampBeginning)
{
throw new ArgumentException("The current date must not be before 2016.");
}
var d = now.Subtract(_shortStampBeginning);
var i = new BigInteger(d.TotalSeconds);
return(StringEncoder.ToString(i, StringEncoder.BASE36CHARS));
}