def _assert_verification_method(self, verification_method: dict): """Assert verification method. Throws if not ok.""" if not JsonLdProcessor.has_value(verification_method, "type", self.required_key_type): raise LinkedDataProofException( f"Invalid key type. The key type must be {self.required_key_type}" )
def has_value(self, property, value): return JsonLdProcessor.has_value(self, property, value)