async def _get_latest_block_id(self):
resp = await self._connection.send(
Message.CLIENT_BLOCK_LIST_REQUEST,
client_pb2.ClientBlockListRequest(paging=client_pb2.PagingControls(
count=1)).SerializeToString())
block_list_resp = client_pb2.ClientBlockListResponse()
block_list_resp.ParseFromString(resp.content)
if block_list_resp.status != client_pb2.ClientBlockListResponse.OK:
LOGGER.error('Unable to fetch latest block id')
return block_list_resp.head_id
def _make_paging_message(controls):
"""Turns a raw paging controls dict into Protobuf PagingControls.
"""
count = controls.get('count', None)
end_index = controls.get('end_index', None)
# an end_index must be changed to start_index, possibly modifying count
if end_index is not None:
if count is None:
start_index = 0
count = end_index
elif count > end_index + 1:
start_index = 0
count = end_index + 1
else:
start_index = end_index + 1 - count
else:
start_index = controls.get('start_index', None)
return client_pb2.PagingControls(
start_id=controls.get('start_id', None),
end_id=controls.get('end_id', None),
start_index=start_index,
count=count)