def load(self, slot: Slot):
if self.cp.earlier(slot):
raise SlotTooOld(slot, None, None)
r = self.inst.get(slot)
exists = True
if r is None:
exists = False
r = InstanceStoreState(slot.ballot_initial(),
State(Stage.Prepared, None, -1, []))
return LoadResult(exists, r)
def leader_client_request(q: Quorum, slot: Slot, cmd: Command):
inst = yield Store(
slot,
InstanceStoreState(
slot.ballot_initial(q.epoch),
State(
Stage.PreAccepted,
cmd,
0,
[]
)
)
)
yield from leader_pre_accept(q, slot, inst, True)