... happens on epoch switch when a node receives message after switching to the new epoch.
we might keep the old hbbft instance, to either check messages or
stop any message tracking for the old epoch, and finalize the epoch in the hbbft message memorial.
... happens on epoch switch when a node receives message after switching to the new epoch.
we might keep the old hbbft instance, to either check messages or stop any message tracking for the old epoch, and finalize the epoch in the hbbft message memorial.