Method is_unspendable

bitcoin/core/script.py:760–763

Test if the script is provably unspendable

(self)

        return True

    def is_unspendable(self):
        """Test if the script is provably unspendable"""
        return (len(self) > 0 and
                self[0] == OP_RETURN)

    def is_valid(self):
        """Return True if the script is valid, False otherwise