def primary_validator(primary_replica, inst_id):
return ReplicaValidator(replica=primary_replica)
def __init__(self,
node: 'plenum.server.node.Node',
instId: int,
config=None,
isMaster: bool = False,
bls_bft_replica: BlsBftReplica = None,
metrics: MetricsCollector = NullMetricsCollector(),
get_current_time=None,
get_time_for_3pc_batch=None):
"""
Create a new replica.
:param node: Node on which this replica is located
:param instId: the id of the protocol instance the replica belongs to
:param isMaster: is this a replica of the master protocol instance
"""
HasActionQueue.__init__(self)
self.get_current_time = get_current_time or time.perf_counter
self.get_time_for_3pc_batch = get_time_for_3pc_batch or node.utc_epoch
# self.stats = Stats(TPCStat)
self.config = config or getConfig()
self.metrics = metrics
self.node = node
self.instId = instId
self.name = self.generateName(node.name, self.instId)
self.logger = getlogger(self.name)
self.validator = ReplicaValidator(self)
self.outBox = deque()
"""
This queue is used by the replica to send messages to its node. Replica
puts messages that are consumed by its node
"""
self.inBox = deque()
"""
This queue is used by the replica to receive messages from its node.
Node puts messages that are consumed by the replica
"""
self.inBoxStash = deque()
"""
If messages need to go back on the queue, they go here temporarily and
are put back on the queue on a state change
"""
self._is_master = isMaster
# Dictionary to keep track of the which replica was primary during each
# view. Key is the view no and value is the name of the primary
# replica during that view
self.primaryNames = OrderedDict() # type: OrderedDict[int, str]
# Flag being used for preterm exit from the loop in the method
# `processStashedMsgsForNewWaterMarks`. See that method for details.
self.consumedAllStashedMsgs = True
self._freshness_checker = FreshnessChecker(
freshness_timeout=self.config.STATE_FRESHNESS_UPDATE_INTERVAL)
self._bls_bft_replica = bls_bft_replica
self._state_root_serializer = state_roots_serializer
# Did we log a message about getting request while absence of primary
self.warned_no_primary = False
self._consensus_data = ConsensusSharedData(
self.name, self.node.poolManager.node_names_ordered_by_rank(),
self.instId, self.isMaster)
self._internal_bus = InternalBus()
self._external_bus = ExternalBus(send_handler=self.send)
self.stasher = self._init_replica_stasher()
self._subscription = Subscription()
self._bootstrap_consensus_data()
self._subscribe_to_external_msgs()
self._subscribe_to_internal_msgs()
self._checkpointer = self._init_checkpoint_service()
self._ordering_service = self._init_ordering_service()
self._message_req_service = self._init_message_req_service()
self._view_change_service = self._init_view_change_service()
for ledger_id in self.ledger_ids:
self.register_ledger(ledger_id)
def validator(replica, inst_id):
return ReplicaValidator(replica=replica)
