Given a name preorder hash, get the associated name record.
        (It may be expired or revoked)

def get_name_by_preorder( self, preorder_hash ):
        """
        Given a name preorder hash, get the associated name record.
        (It may be expired or revoked)
        """
        cur = self.db.cursor()
        return namedb_get_name_by_preorder_hash( cur, preorder_hash )