string CalculateHash(List <string> contractIds)
{
int hashCode = HashCodeUtility.GetPersistentHashCode(contractIds);
byte[] b = BitConverter.GetBytes(hashCode);
string hash = Convert.ToBase64String(b);
hash = hash.TrimEnd(padding).Replace("+", string.Empty).Replace("/", string.Empty).ToLower();
return(hash);
}
public static int GetPersistentHashCode(List <string> list)
{
list.Sort();
int hashCode = 2;
foreach (var item in list)
{
var itemHash = HashCodeUtility.GetPersistentHashCode(item);
hashCode = HashCodeUtility.CombineHashCodes(hashCode, itemHash);
}
return(hashCode);
}