def make_schema_exist(schema_request, schema_handler):
identifier, req_id, operation = get_request_data(schema_request)
schema_name = get_write_schema_name(schema_request)
schema_version = get_write_schema_version(schema_request)
path = SchemaHandler.make_state_path_for_schema(identifier, schema_name,
schema_version)
schema_handler.state.set(path,
encode_state_value("value", "seqNo", "txnTime"))
def get_schema(self,
author: str,
schema_name: str,
schema_version: str,
is_committed=True,
with_proof=True) -> (str, int, int, list):
assert author is not None
assert schema_name is not None
assert schema_version is not None
path = SchemaHandler.make_state_path_for_schema(
author, schema_name, schema_version)
try:
keys, seq_no, last_update_time, proof = self.lookup(
path, is_committed, with_proof=with_proof)
return keys, seq_no, last_update_time, proof
except KeyError:
return None, None, None, None
