def create_certificate(self, csr, issuer_options):
        """
        Creates an ACME certificate using the HTTP-01 challenge.

        :param csr:
        :param issuer_options:
        :return: :raise Exception:
        """
        acme_http_challenge = AcmeHttpChallenge()

        return acme_http_challenge.create_certificate(csr, issuer_options)

        Creates an ACME certificate using the HTTP-01 challenge.

        :param csr:
        :param issuer_options:
        :return: :raise Exception:
        
lemur/plugins/lemur_acme/plugin.py