def get_all_preordered_namespace_hashes( self ):
        """
        Get all oustanding namespace preorder hashes that have not expired.
        Used for testing
        """
        cur = self.db.cursor()
        namespace_hashes = namedb_get_all_preordered_namespace_hashes( cur, self.lastblock )
        return namespace_hashes
Get all oustanding namespace preorder hashes that have not expired.
        Used for testing