def _get_service_metadata_from_registry(self):
rez = self._get_service_registration()
metadata_hash = bytesuri_to_hash(rez["metadataURI"])
metadata = get_from_ipfs_and_checkhash(self._get_ipfs_client(),
metadata_hash)
metadata = metadata.decode("utf-8")
metadata = mpe_service_metadata_from_json(metadata)
return metadata
def fetch_service_metadata(self, org_id, service_id):
(found, registration_id, metadata_uri) = self.registry_contract.functions.getServiceRegistrationById(
bytes(org_id, "utf-8"), bytes(service_id, "utf-8")).call()
if found is not True:
raise Exception('No service "{}" found in organization "{}"'.format(service_id, org_id))
metadata_hash = bytesuri_to_hash(metadata_uri)
metadata_json = get_from_ipfs_and_checkhash(self._ipfs_client, metadata_hash)
metadata = mpe_service_metadata_from_json(metadata_json)
return metadata