def __init__(self,
service,
context_manager,
settings_view_factory,
scheduler_type,
invalid_observers=None):
"""
Args:
service (Interconnect): The zmq internal interface
context_manager (ContextManager): Cache of state for tps
settings_view_factory (SettingsViewFactory): Read-only view of
setting state.
Attributes:
processor_manager (ProcessorManager): All of the registered
transaction processors and a way to find the next one to send
to.
"""
self._service = service
self._context_manager = context_manager
self.processor_manager = ProcessorManager(RoundRobinProcessorIterator)
self._settings_view_factory = settings_view_factory
self._executing_threadpool = \
InstrumentedThreadPoolExecutor(max_workers=5, name='Executing')
self._alive_threads = []
self._lock = threading.Lock()
self._invalid_observers = ([] if invalid_observers is None
else invalid_observers)
self._scheduler_type = scheduler_type
def __init__(self,
block_cache,
state_view_factory,
transaction_executor,
squash_handler,
identity_signer,
data_dir,
config_dir,
permission_verifier,
thread_pool=None):
"""Initialize the BlockValidator
Args:
block_cache: The cache of all recent blocks and the processing
state associated with them.
state_view_factory: A factory that can be used to create read-
only views of state for a particular merkle root, in
particular the state as it existed when a particular block
was the chain head.
transaction_executor: The transaction executor used to
process transactions.
squash_handler: A parameter passed when creating transaction
schedulers.
identity_signer: A cryptographic signer for signing blocks.
data_dir: Path to location where persistent data for the
consensus module can be stored.
config_dir: Path to location where config data for the
consensus module can be found.
permission_verifier: The delegate for handling permission
validation on blocks.
thread_pool: (Optional) Executor pool used to submit block
validation jobs. If not specified, a default will be created.
Returns:
None
"""
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._squash_handler = squash_handler
self._identity_signer = identity_signer
self._public_key = identity_signer.get_public_key().as_hex()
self._data_dir = data_dir
self._config_dir = config_dir
self._permission_verifier = permission_verifier
self._settings_view_factory = SettingsViewFactory(state_view_factory)
self._thread_pool = InstrumentedThreadPoolExecutor(1) \
if thread_pool is None else thread_pool
self._moved_to_fork_count = COLLECTOR.counter(
'chain_head_moved_to_fork_count', instance=self)
# Blocks that are currently being processed
self._blocks_processing = ConcurrentSet()
# Descendant blocks that are waiting for an in process block
# to complete
self._blocks_pending = ConcurrentMultiMap()
def __init__(self,
block_cache,
state_view_factory,
transaction_executor,
squash_handler,
identity_signer,
data_dir,
config_dir,
permission_verifier,
metrics_registry=None,
thread_pool=None):
"""Initialize the BlockValidator
Args:
block_cache: The cache of all recent blocks and the processing
state associated with them.
state_view_factory: A factory that can be used to create read-
only views of state for a particular merkle root, in
particular the state as it existed when a particular block
was the chain head.
transaction_executor: The transaction executor used to
process transactions.
squash_handler: A parameter passed when creating transaction
schedulers.
identity_signer: A cryptographic signer for signing blocks.
data_dir: Path to location where persistent data for the
consensus module can be stored.
config_dir: Path to location where config data for the
consensus module can be found.
permission_verifier: The delegate for handling permission
validation on blocks.
metrics_registry: (Optional) Pyformance metrics registry handle for
creating new metrics.
thread_pool: (Optional) Executor pool used to submit block
validation jobs. If not specified, a default will be created.
Returns:
None
"""
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._squash_handler = squash_handler
self._identity_signer = identity_signer
self._data_dir = data_dir
self._config_dir = config_dir
self._permission_verifier = permission_verifier
self._validation_rule_enforcer = ValidationRuleEnforcer(
SettingsViewFactory(state_view_factory))
self._thread_pool = InstrumentedThreadPoolExecutor(1) \
if thread_pool is None else thread_pool
if metrics_registry:
self._moved_to_fork_count = CounterWrapper(
metrics_registry.counter('chain_head_moved_to_fork_count'))
else:
self._moved_to_fork_count = CounterWrapper()
def __init__(self,
service,
context_manager,
settings_view_factory,
scheduler_type,
invalid_observers=None,
metrics_registry=None):
"""
Args:
service (Interconnect): The zmq internal interface
context_manager (ContextManager): Cache of state for tps
settings_view_factory (SettingsViewFactory): Read-only view of
setting state.
Attributes:
processors (ProcessorIteratorCollection): All of the registered
transaction processors and a way to find the next one to send
to.
_waiting_threadpool (ThreadPoolExecutor): A threadpool to run
waiting to process transactions functions in.
_waiters_by_type (_WaitersByType): Threadsafe map of ProcessorType
to _Waiter that is waiting on a processor of that type.
"""
self._service = service
self._context_manager = context_manager
self.processors = processor_iterator.ProcessorIteratorCollection(
processor_iterator.RoundRobinProcessorIterator)
self._settings_view_factory = settings_view_factory
self._waiting_threadpool = InstrumentedThreadPoolExecutor(
max_workers=MAX_WORKERS_WAIT,
name='Waiting',
metrics_registry=metrics_registry)
self._executing_threadpool = InstrumentedThreadPoolExecutor(
max_workers=MAX_WORKERS_EXEC,
name='Executing',
metrics_registry=metrics_registry)
self._alive_threads = []
self._lock = threading.Lock()
self._invalid_observers = ([] if invalid_observers is None else
invalid_observers)
self._scheduler_type = scheduler_type
self._metrics_registry = metrics_registry
self._malicious = 0
def __init__(self,
block_manager,
block_store,
state_view_factory,
transaction_executor,
identity_signer,
data_dir,
config_dir,
permission_verifier,
thread_pool=None):
"""Initialize the BlockValidator
Args:
block_manager: The component that stores blocks and maintains
integrity of the predecessor relationship.
state_view_factory: A factory that can be used to create read-
only views of state for a particular merkle root, in
particular the state as it existed when a particular block
was the chain head.
transaction_executor: The transaction executor used to
process transactions.
identity_signer: A cryptographic signer for signing blocks.
data_dir: Path to location where persistent data for the
consensus module can be stored.
config_dir: Path to location where config data for the
consensus module can be found.
permission_verifier: The delegate for handling permission
validation on blocks.
thread_pool: (Optional) Executor pool used to submit block
validation jobs. If not specified, a default will be created.
Returns:
None
"""
self._block_manager = block_manager
self._block_store = block_store
self._block_validity_fn = None
self._block_scheduler = BlockScheduler(block_manager)
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._identity_signer = identity_signer
self._data_dir = data_dir
self._config_dir = config_dir
self._permission_verifier = permission_verifier
self._settings_view_factory = SettingsViewFactory(state_view_factory)
self._thread_pool = InstrumentedThreadPoolExecutor(1) \
if thread_pool is None else thread_pool
def __init__(self,
bind_network,
bind_component,
bind_consensus,
endpoint,
peering,
seeds_list,
peer_list,
data_dir,
config_dir,
identity_signer,
scheduler_type,
permissions,
minimum_peer_connectivity,
maximum_peer_connectivity,
state_pruning_block_depth,
network_public_key=None,
network_private_key=None,
roles=None):
"""Constructs a validator instance.
Args:
bind_network (str): the network endpoint
bind_component (str): the component endpoint
endpoint (str): the zmq-style URI of this validator's
publically reachable endpoint
peering (str): The type of peering approach. Either 'static'
or 'dynamic'. In 'static' mode, no attempted topology
buildout occurs -- the validator only attempts to initiate
peering connections with endpoints specified in the
peer_list. In 'dynamic' mode, the validator will first
attempt to initiate peering connections with endpoints
specified in the peer_list and then attempt to do a
topology buildout starting with peer lists obtained from
endpoints in the seeds_list. In either mode, the validator
will accept incoming peer requests up to max_peers.
seeds_list (list of str): a list of addresses to connect
to in order to perform the initial topology buildout
peer_list (list of str): a list of peer addresses
data_dir (str): path to the data directory
config_dir (str): path to the config directory
identity_signer (str): cryptographic signer the validator uses for
signing
"""
# -- Setup Global State Database and Factory -- #
global_state_db_filename = os.path.join(
data_dir, 'merkle-{}.lmdb'.format(bind_network[-2:]))
LOGGER.debug('global state database file is %s',
global_state_db_filename)
global_state_db = NativeLmdbDatabase(
global_state_db_filename,
indexes=MerkleDatabase.create_index_configuration())
state_view_factory = StateViewFactory(global_state_db)
# -- Setup Receipt Store -- #
receipt_db_filename = os.path.join(
data_dir, 'txn_receipts-{}.lmdb'.format(bind_network[-2:]))
LOGGER.debug('txn receipt store file is %s', receipt_db_filename)
receipt_db = LMDBNoLockDatabase(receipt_db_filename, 'c')
receipt_store = TransactionReceiptStore(receipt_db)
# -- Setup Block Store -- #
block_db_filename = os.path.join(
data_dir, 'block-{}.lmdb'.format(bind_network[-2:]))
LOGGER.debug('block store file is %s', block_db_filename)
block_db = IndexedDatabase(
block_db_filename,
BlockStore.serialize_block,
BlockStore.deserialize_block,
flag='c',
indexes=BlockStore.create_index_configuration())
block_store = BlockStore(block_db)
# The cache keep time for the journal's block cache must be greater
# than the cache keep time used by the completer.
base_keep_time = 1200
block_cache = BlockCache(block_store,
keep_time=int(base_keep_time * 9 / 8),
purge_frequency=30)
# -- Setup Thread Pools -- #
component_thread_pool = InstrumentedThreadPoolExecutor(
max_workers=10, name='Component')
network_thread_pool = InstrumentedThreadPoolExecutor(max_workers=10,
name='Network')
client_thread_pool = InstrumentedThreadPoolExecutor(max_workers=5,
name='Client')
sig_pool = InstrumentedThreadPoolExecutor(max_workers=3,
name='Signature')
# -- Setup Dispatchers -- #
component_dispatcher = Dispatcher()
network_dispatcher = Dispatcher()
# -- Setup Services -- #
component_service = Interconnect(bind_component,
component_dispatcher,
secured=False,
heartbeat=False,
max_incoming_connections=20,
monitor=True,
max_future_callback_workers=10)
zmq_identity = hashlib.sha512(
time.time().hex().encode()).hexdigest()[:23]
secure = False
if network_public_key is not None and network_private_key is not None:
secure = True
network_service = Interconnect(bind_network,
dispatcher=network_dispatcher,
zmq_identity=zmq_identity,
secured=secure,
server_public_key=network_public_key,
server_private_key=network_private_key,
heartbeat=True,
public_endpoint=endpoint,
connection_timeout=120,
max_incoming_connections=100,
max_future_callback_workers=10,
authorize=True,
signer=identity_signer,
roles=roles)
# -- Setup Transaction Execution Platform -- #
context_manager = ContextManager(global_state_db)
batch_tracker = BatchTracker(block_store)
settings_cache = SettingsCache(
SettingsViewFactory(state_view_factory), )
transaction_executor = TransactionExecutor(
service=component_service,
context_manager=context_manager,
settings_view_factory=SettingsViewFactory(state_view_factory),
scheduler_type=scheduler_type,
invalid_observers=[batch_tracker])
component_service.set_check_connections(
transaction_executor.check_connections)
event_broadcaster = EventBroadcaster(component_service, block_store,
receipt_store)
# -- Setup P2P Networking -- #
gossip = Gossip(network_service,
settings_cache,
lambda: block_store.chain_head,
block_store.chain_head_state_root,
endpoint=endpoint,
peering_mode=peering,
initial_seed_endpoints=seeds_list,
initial_peer_endpoints=peer_list,
minimum_peer_connectivity=minimum_peer_connectivity,
maximum_peer_connectivity=maximum_peer_connectivity,
topology_check_frequency=1)
completer = Completer(block_store,
gossip,
cache_keep_time=base_keep_time,
cache_purge_frequency=30,
requested_keep_time=300)
block_sender = BroadcastBlockSender(completer, gossip)
batch_sender = BroadcastBatchSender(completer, gossip)
chain_id_manager = ChainIdManager(data_dir)
identity_view_factory = IdentityViewFactory(
StateViewFactory(global_state_db))
id_cache = IdentityCache(identity_view_factory)
# -- Setup Permissioning -- #
permission_verifier = PermissionVerifier(
permissions, block_store.chain_head_state_root, id_cache)
identity_observer = IdentityObserver(to_update=id_cache.invalidate,
forked=id_cache.forked)
settings_observer = SettingsObserver(
to_update=settings_cache.invalidate, forked=settings_cache.forked)
# -- Consensus Engine -- #
consensus_thread_pool = InstrumentedThreadPoolExecutor(
max_workers=3, name='Consensus')
consensus_dispatcher = Dispatcher()
consensus_service = Interconnect(bind_consensus,
consensus_dispatcher,
secured=False,
heartbeat=False,
max_incoming_connections=20,
monitor=True,
max_future_callback_workers=10)
consensus_notifier = ConsensusNotifier(consensus_service)
# -- Setup Journal -- #
batch_injector_factory = DefaultBatchInjectorFactory(
block_cache=block_cache,
state_view_factory=state_view_factory,
signer=identity_signer)
block_publisher = BlockPublisher(
transaction_executor=transaction_executor,
block_cache=block_cache,
state_view_factory=state_view_factory,
settings_cache=settings_cache,
block_sender=block_sender,
batch_sender=batch_sender,
chain_head=block_store.chain_head,
identity_signer=identity_signer,
data_dir=data_dir,
config_dir=config_dir,
permission_verifier=permission_verifier,
check_publish_block_frequency=0.1,
batch_observers=[batch_tracker],
batch_injector_factory=batch_injector_factory)
block_publisher_batch_sender = block_publisher.batch_sender()
block_validator = BlockValidator(
block_cache=block_cache,
state_view_factory=state_view_factory,
transaction_executor=transaction_executor,
identity_signer=identity_signer,
data_dir=data_dir,
config_dir=config_dir,
permission_verifier=permission_verifier)
chain_controller = ChainController(
block_store=block_store,
block_cache=block_cache,
block_validator=block_validator,
state_database=global_state_db,
chain_head_lock=block_publisher.chain_head_lock,
state_pruning_block_depth=state_pruning_block_depth,
data_dir=data_dir,
observers=[
event_broadcaster, receipt_store, batch_tracker,
identity_observer, settings_observer
])
genesis_controller = GenesisController(
context_manager=context_manager,
transaction_executor=transaction_executor,
completer=completer,
block_store=block_store,
state_view_factory=state_view_factory,
identity_signer=identity_signer,
data_dir=data_dir,
config_dir=config_dir,
chain_id_manager=chain_id_manager,
batch_sender=batch_sender)
responder = Responder(completer)
completer.set_on_batch_received(block_publisher_batch_sender.send)
completer.set_on_block_received(chain_controller.queue_block)
completer.set_chain_has_block(chain_controller.has_block)
# -- Register Message Handler -- #
network_handlers.add(network_dispatcher, network_service, gossip,
completer, responder, network_thread_pool,
sig_pool, chain_controller.has_block,
block_publisher.has_batch, permission_verifier,
block_publisher, consensus_notifier)
component_handlers.add(component_dispatcher, gossip, context_manager,
transaction_executor, completer, block_store,
batch_tracker, global_state_db,
self.get_chain_head_state_root_hash,
receipt_store, event_broadcaster,
permission_verifier, component_thread_pool,
client_thread_pool, sig_pool, block_publisher)
# -- Store Object References -- #
self._component_dispatcher = component_dispatcher
self._component_service = component_service
self._component_thread_pool = component_thread_pool
self._network_dispatcher = network_dispatcher
self._network_service = network_service
self._network_thread_pool = network_thread_pool
consensus_proxy = ConsensusProxy(
block_cache=block_cache,
chain_controller=chain_controller,
block_publisher=block_publisher,
gossip=gossip,
identity_signer=identity_signer,
settings_view_factory=SettingsViewFactory(state_view_factory),
state_view_factory=state_view_factory)
consensus_handlers.add(consensus_dispatcher, consensus_thread_pool,
consensus_proxy)
self._consensus_dispatcher = consensus_dispatcher
self._consensus_service = consensus_service
self._consensus_thread_pool = consensus_thread_pool
self._client_thread_pool = client_thread_pool
self._sig_pool = sig_pool
self._context_manager = context_manager
self._transaction_executor = transaction_executor
self._genesis_controller = genesis_controller
self._gossip = gossip
self._block_publisher = block_publisher
self._chain_controller = chain_controller
self._block_validator = block_validator
def verify_state(global_state_db, blockstore, bind_component, scheduler_type):
"""
Verify the state root hash of all blocks is in state and if not,
reconstruct the missing state. Assumes that there are no "holes" in
state, ie starting from genesis, state is present for all blocks up to some
point and then not at all. If persist is False, this recomputes state in
memory for all blocks in the blockstore and verifies the state root
hashes.
Raises:
InvalidChainError: The chain in the blockstore is not valid.
ExecutionError: An unrecoverable error was encountered during batch
execution.
"""
state_view_factory = StateViewFactory(global_state_db)
# Check if we should do state verification
start_block, prev_state_root = search_for_present_state_root(
blockstore, state_view_factory)
if start_block is None:
LOGGER.info(
"Skipping state verification: chain head's state root is present")
return
LOGGER.info(
"Recomputing missing state from block %s with %s scheduler",
start_block, scheduler_type)
component_thread_pool = InstrumentedThreadPoolExecutor(
max_workers=10,
name='Component')
component_dispatcher = Dispatcher()
component_service = Interconnect(
bind_component,
component_dispatcher,
secured=False,
heartbeat=False,
max_incoming_connections=20,
monitor=True,
max_future_callback_workers=10)
context_manager = ContextManager(global_state_db)
transaction_executor = TransactionExecutor(
service=component_service,
context_manager=context_manager,
settings_view_factory=SettingsViewFactory(state_view_factory),
scheduler_type=scheduler_type,
invalid_observers=[])
component_service.set_check_connections(
transaction_executor.check_connections)
component_dispatcher.add_handler(
validator_pb2.Message.TP_RECEIPT_ADD_DATA_REQUEST,
tp_state_handlers.TpReceiptAddDataHandler(context_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_EVENT_ADD_REQUEST,
tp_state_handlers.TpEventAddHandler(context_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_STATE_DELETE_REQUEST,
tp_state_handlers.TpStateDeleteHandler(context_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_STATE_GET_REQUEST,
tp_state_handlers.TpStateGetHandler(context_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_STATE_SET_REQUEST,
tp_state_handlers.TpStateSetHandler(context_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_REGISTER_REQUEST,
processor_handlers.ProcessorRegisterValidationHandler(),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_REGISTER_REQUEST,
processor_handlers.ProcessorRegisterHandler(
transaction_executor.processor_manager),
component_thread_pool)
component_dispatcher.add_handler(
validator_pb2.Message.TP_UNREGISTER_REQUEST,
processor_handlers.ProcessorUnRegisterHandler(
transaction_executor.processor_manager),
component_thread_pool)
component_dispatcher.start()
component_service.start()
process_blocks(
initial_state_root=prev_state_root,
blocks=blockstore.get_block_iter(
start_block=start_block, reverse=False),
transaction_executor=transaction_executor,
context_manager=context_manager,
state_view_factory=state_view_factory)
component_dispatcher.stop()
component_service.stop()
component_thread_pool.shutdown(wait=True)
transaction_executor.stop()
context_manager.stop()
def __init__(self,
block_cache,
block_sender,
state_view_factory,
transaction_executor,
chain_head_lock,
on_chain_updated,
squash_handler,
chain_id_manager,
identity_signer,
data_dir,
config_dir,
permission_verifier,
chain_observers,
thread_pool=None,
metrics_registry=None):
"""Initialize the ChainController
Args:
block_cache: The cache of all recent blocks and the processing
state associated with them.
block_sender: an interface object used to send blocks to the
network.
state_view_factory: The factory object to create
transaction_executor: The TransactionExecutor used to produce
schedulers for batch validation.
chain_head_lock: Lock to hold while the chain head is being
updated, this prevents other components that depend on the
chain head and the BlockStore from having the BlockStore change
under them. This lock is only for core Journal components
(BlockPublisher and ChainController), other components should
handle block not found errors from the BlockStore explicitly.
on_chain_updated: The callback to call to notify the rest of the
system the head block in the chain has been changed.
squash_handler: a parameter passed when creating transaction
schedulers.
chain_id_manager: The ChainIdManager instance.
identity_signer: Private key for signing blocks.
data_dir: path to location where persistent data for the
consensus module can be stored.
config_dir: path to location where config data for the
consensus module can be found.
chain_observers (list of :obj:`ChainObserver`): A list of chain
observers.
Returns:
None
"""
self._lock = RLock()
self._chain_head_lock = chain_head_lock
self._block_cache = block_cache
self._block_store = block_cache.block_store
self._state_view_factory = state_view_factory
self._block_sender = block_sender
self._transaction_executor = transaction_executor
self._notify_on_chain_updated = on_chain_updated
self._squash_handler = squash_handler
self._identity_signer = identity_signer
self._data_dir = data_dir
self._config_dir = config_dir
self._blocks_processing = {} # a set of blocks that are
# currently being processed.
self._blocks_pending = {} # set of blocks that the previous block
# is being processed. Once that completes this block will be
# scheduled for validation.
self._chain_id_manager = chain_id_manager
self._chain_head = None
self._permission_verifier = permission_verifier
self._chain_observers = chain_observers
if metrics_registry:
self._chain_head_gauge = GaugeWrapper(
metrics_registry.gauge('chain_head', default='no chain head'))
self._committed_transactions_count = CounterWrapper(
metrics_registry.counter('committed_transactions_count'))
self._block_num_gauge = GaugeWrapper(
metrics_registry.gauge('block_num'))
else:
self._chain_head_gauge = GaugeWrapper()
self._committed_transactions_count = CounterWrapper()
self._block_num_gauge = GaugeWrapper()
self._block_queue = queue.Queue()
self._thread_pool = \
InstrumentedThreadPoolExecutor(1) \
if thread_pool is None else thread_pool
self._chain_thread = None
# Only run this after all member variables have been bound
self._set_chain_head_from_block_store()
def __init__(self,
endpoint,
dispatcher,
zmq_identity=None,
secured=False,
server_public_key=None,
server_private_key=None,
heartbeat=False,
public_endpoint=None,
connection_timeout=60,
max_incoming_connections=100,
monitor=False,
max_future_callback_workers=10,
roles=None,
authorize=False,
public_key=None,
priv_key=None,
metrics_registry=None):
"""
Constructor for Interconnect.
Args:
secured (bool): Whether or not to start the 'server' socket
and associated Connection sockets in secure mode --
using zmq auth.
server_public_key (bytes): A public key to use in verifying
server identity as part of the zmq auth handshake.
server_private_key (bytes): A private key corresponding to
server_public_key used by the server socket to sign
messages are part of the zmq auth handshake.
heartbeat (bool): Whether or not to send ping messages.
max_future_callback_workers (int): max number of workers for future
callbacks, defaults to 10
"""
self._endpoint = endpoint
self._public_endpoint = public_endpoint
self._future_callback_threadpool = InstrumentedThreadPoolExecutor(
max_workers=max_future_callback_workers, name='FutureCallback')
self._futures = future.FutureCollection(
resolving_threadpool=self._future_callback_threadpool)
self._dispatcher = dispatcher
self._zmq_identity = zmq_identity
self._secured = secured
self._server_public_key = server_public_key
self._server_private_key = server_private_key
self._heartbeat = heartbeat
self._connection_timeout = connection_timeout
self._connections_lock = Lock()
self._connections = {}
self.outbound_connections = {}
self._max_incoming_connections = max_incoming_connections
self._roles = {}
# if roles are None, default to AuthorizationType.TRUST
if roles is None:
self._roles["network"] = AuthorizationType.TRUST
else:
self._roles = {}
for role in roles:
if roles[role] == "challenge":
self._roles[role] = AuthorizationType.CHALLENGE
else:
self._roles[role] = AuthorizationType.TRUST
self._authorize = authorize
self._public_key = public_key
self._priv_key = priv_key
self._send_receive_thread = _SendReceive(
"ServerThread",
connections=self._connections,
address=endpoint,
dispatcher=dispatcher,
futures=self._futures,
secured=secured,
server_public_key=server_public_key,
server_private_key=server_private_key,
heartbeat=heartbeat,
connection_timeout=connection_timeout,
monitor=monitor,
metrics_registry=metrics_registry)
self._thread = None
self._metrics_registry = metrics_registry
self._send_response_timers = {}