public int GetIdempotentKey()
{
unchecked
{
int hashCode = Currency?.GetHashCode() ?? 0;
hashCode = (hashCode * 397) ^ DiscountAmount.GetHashCode();
hashCode = (hashCode * 397) ^ LineItems.GetIdempotentListKey();
hashCode = (hashCode * 397) ^ (Number?.GetHashCode() ?? 0);
hashCode = (hashCode * 397) ^ TotalGrossAmount.GetHashCode();
hashCode = (hashCode * 397) ^ TotalNetAmount.GetHashCode();
return(hashCode);
}
}