class NewView(MessageBase):
typename = NEW_VIEW
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.VIEW_CHANGES.nm, IterableField(ViewChangeField())), # list of tuples (node_name, view_change_digest)
(f.CHECKPOINT.nm, AnyField()), # Checkpoint to be selected as stable (TODO: or tuple?)
(f.BATCHES.nm, IterableField(BatchIDField())) # list of tuples (view_no, pp_view_no, pp_seq_no, pp_digest)
# that should get into new view
)
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if isinstance(self.checkpoint, dict):
self.checkpoint = Checkpoint(**self.checkpoint)
# The field `batches` can to be a list of BatchIDs or of dicts.
# If it's not a list of dicts then we don't need to deserialize it.
if not self.batches or not isinstance(self.batches[0], dict):
return
self.batches = [BatchID(**bid)
for bid in self.batches
if isinstance(bid, dict)]
def _asdict(self):
result = super()._asdict()
chk = self.checkpoint
if not isinstance(chk, dict):
result[f.CHECKPOINT.nm] = chk._asdict()
# The field `batches` can to be a list of BatchIDs or of dicts.
# If its a list of dicts then we don't need to serialize it.
if not self.batches or not isinstance(self.batches[0], BatchID):
return result
result[f.BATCHES.nm] = [bid._asdict()
for bid in self.batches]
return result
class NewView(MessageBase):
typename = NEW_VIEW
schema = (
(f.VIEW_NO.nm, NonNegativeNumberField()),
(f.VIEW_CHANGES.nm, IterableField(ViewChangeField())), # list of tuples (node_name, view_change_digest)
(f.CHECKPOINT.nm, AnyField()), # Checkpoint to be selected as stable (TODO: or tuple?)
(f.BATCHES.nm, IterableField(BatchIDField())) # list of tuples (view_no, pp_seq_no, pp_digest)
# that should get into new view
)