def __init__(self, bind_network, bind_component, endpoint, peering, seeds_list, peer_list, data_dir, config_dir, identity_signing_key, scheduler_type, permissions, network_public_key=None, network_private_key=None, roles=None, metrics_registry=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_signing_key (str): key validator uses for signing """ db_filename = os.path.join(data_dir, 'merkle-{}.lmdb'.format(bind_network[-2:])) LOGGER.debug('database file is %s', db_filename) merkle_db = LMDBNoLockDatabase(db_filename, 'c') delta_db_filename = os.path.join( data_dir, 'state-deltas-{}.lmdb'.format(bind_network[-2:])) LOGGER.debug('state delta store file is %s', delta_db_filename) state_delta_db = LMDBNoLockDatabase(delta_db_filename, 'c') 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') state_delta_store = StateDeltaStore(state_delta_db) receipt_store = TransactionReceiptStore(receipt_db) context_manager = ContextManager(merkle_db, state_delta_store) self._context_manager = context_manager state_view_factory = StateViewFactory(merkle_db) 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 = LMDBNoLockDatabase(block_db_filename, 'c') block_store = BlockStore(block_db) batch_tracker = BatchTracker(block_store) # setup network self._dispatcher = Dispatcher(metrics_registry=metrics_registry) thread_pool = ThreadPoolExecutor(max_workers=10) sig_pool = ThreadPoolExecutor(max_workers=3) self._thread_pool = thread_pool self._sig_pool = sig_pool self._service = Interconnect(bind_component, self._dispatcher, secured=False, heartbeat=False, max_incoming_connections=20, monitor=True, max_future_callback_workers=10, metrics_registry=metrics_registry) executor = TransactionExecutor( service=self._service, context_manager=context_manager, settings_view_factory=SettingsViewFactory( StateViewFactory(merkle_db)), scheduler_type=scheduler_type, invalid_observers=[batch_tracker], metrics_registry=metrics_registry) self._executor = executor self._service.set_check_connections(executor.check_connections) state_delta_processor = StateDeltaProcessor(self._service, state_delta_store, block_store) event_broadcaster = EventBroadcaster(self._service, block_store, receipt_store) zmq_identity = hashlib.sha512( time.time().hex().encode()).hexdigest()[:23] network_thread_pool = ThreadPoolExecutor(max_workers=10) self._network_thread_pool = network_thread_pool self._network_dispatcher = Dispatcher( metrics_registry=metrics_registry) secure = False if network_public_key is not None and network_private_key is not None: secure = True self._network = Interconnect( bind_network, dispatcher=self._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=30, max_incoming_connections=100, max_future_callback_workers=10, authorize=True, public_key=signing.generate_pubkey(identity_signing_key), priv_key=identity_signing_key, roles=roles, metrics_registry=metrics_registry) self._gossip = Gossip(self._network, endpoint=endpoint, peering_mode=peering, initial_seed_endpoints=seeds_list, initial_peer_endpoints=peer_list, minimum_peer_connectivity=3, maximum_peer_connectivity=10, topology_check_frequency=1) completer = Completer(block_store, self._gossip) block_sender = BroadcastBlockSender(completer, self._gossip) batch_sender = BroadcastBatchSender(completer, self._gossip) chain_id_manager = ChainIdManager(data_dir) identity_view_factory = IdentityViewFactory( StateViewFactory(merkle_db)) id_cache = IdentityCache(identity_view_factory, block_store.chain_head_state_root) permission_verifier = PermissionVerifier( permissions, block_store.chain_head_state_root, id_cache) identity_observer = IdentityObserver(to_update=id_cache.invalidate, forked=id_cache.forked) # Create and configure journal self._journal = Journal( block_store=block_store, state_view_factory=StateViewFactory(merkle_db), block_sender=block_sender, batch_sender=batch_sender, transaction_executor=executor, squash_handler=context_manager.get_squash_handler(), identity_signing_key=identity_signing_key, chain_id_manager=chain_id_manager, data_dir=data_dir, config_dir=config_dir, permission_verifier=permission_verifier, check_publish_block_frequency=0.1, block_cache_purge_frequency=30, block_cache_keep_time=300, batch_observers=[batch_tracker], chain_observers=[ state_delta_processor, event_broadcaster, receipt_store, batch_tracker, identity_observer ], metrics_registry=metrics_registry) self._genesis_controller = GenesisController( context_manager=context_manager, transaction_executor=executor, completer=completer, block_store=block_store, state_view_factory=state_view_factory, identity_key=identity_signing_key, 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(self._journal.on_batch_received) completer.set_on_block_received(self._journal.on_block_received) self._dispatcher.add_handler( validator_pb2.Message.TP_ADD_RECEIPT_DATA_REQUEST, tp_state_handlers.TpAddReceiptDataHandler(context_manager), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_ADD_EVENT_REQUEST, tp_state_handlers.TpAddEventHandler(context_manager), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_STATE_DEL_REQUEST, tp_state_handlers.TpStateDeleteHandler(context_manager), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_STATE_GET_REQUEST, tp_state_handlers.TpStateGetHandler(context_manager), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_STATE_SET_REQUEST, tp_state_handlers.TpStateSetHandler(context_manager), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_REGISTER_REQUEST, processor_handlers.ProcessorRegisterHandler(executor.processors), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.TP_UNREGISTER_REQUEST, processor_handlers.ProcessorUnRegisterHandler(executor.processors), thread_pool) # Set up base network handlers self._network_dispatcher.add_handler( validator_pb2.Message.NETWORK_PING, PingHandler(network=self._network), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.NETWORK_CONNECT, ConnectHandler(network=self._network), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.NETWORK_DISCONNECT, DisconnectHandler(network=self._network), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_VIOLATION, AuthorizationViolationHandler(network=self._network, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_TRUST_REQUEST, AuthorizationTrustRequestHandler( network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_REQUEST, AuthorizationChallengeRequestHandler(network=self._network), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_SUBMIT, AuthorizationChallengeSubmitHandler( network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) # Set up gossip handlers self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, GetPeersRequestHandler(gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, GetPeersResponseHandler(gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_REGISTER, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_REGISTER, PeerRegisterHandler(gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_UNREGISTER, PeerUnregisterHandler(gossip=self._gossip), network_thread_pool) # GOSSIP_MESSAGE 1) Sends acknowledgement to the sender self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, GossipMessageHandler(), network_thread_pool) # GOSSIP_MESSAGE 2) Verify Network Permissions self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) # GOSSIP_MESSAGE 3) Verifies signature self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, signature_verifier.GossipMessageSignatureVerifier(), sig_pool) # GOSSIP_MESSAGE 4) Verifies batch structure self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, structure_verifier.GossipHandlerStructureVerifier(), network_thread_pool) # GOSSIP_MESSAGE 4) Verifies that the node is allowed to publish a # block self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkConsensusPermissionHandler( network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) # GOSSIP_MESSAGE 5) Determines if we should broadcast the # message to our peers. It is important that this occur prior # to the sending of the message to the completer, as this step # relies on whether the gossip message has previously been # seen by the validator to determine whether or not forwarding # should occur self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, GossipBroadcastHandler(gossip=self._gossip, completer=completer), network_thread_pool) # GOSSIP_MESSAGE 6) Send message to completer self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, CompleterGossipHandler(completer), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_REQUEST, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_REQUEST, BlockResponderHandler(responder, self._gossip), network_thread_pool) # GOSSIP_BLOCK_RESPONSE 1) Sends ack to the sender self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, GossipBlockResponseHandler(), network_thread_pool) # GOSSIP_MESSAGE 2) Verify Network Permissions self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) # GOSSIP_BLOCK_RESPONSE 3) Verifies signature self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, signature_verifier.GossipBlockResponseSignatureVerifier(), sig_pool) # GOSSIP_BLOCK_RESPONSE 4) Check batch structure self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, structure_verifier.GossipBlockResponseStructureVerifier(), network_thread_pool) # GOSSIP_BLOCK_RESPONSE 5) Send message to completer self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, CompleterGossipBlockResponseHandler(completer), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, ResponderBlockResponseHandler(responder, self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, BatchByBatchIdResponderHandler(responder, self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, BatchByTransactionIdResponderHandler(responder, self._gossip), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, NetworkPermissionHandler(network=self._network, permission_verifier=permission_verifier, gossip=self._gossip), network_thread_pool) # GOSSIP_BATCH_RESPONSE 1) Sends ack to the sender self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, GossipBatchResponseHandler(), network_thread_pool) # GOSSIP_BATCH_RESPONSE 2) Verifies signature self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, signature_verifier.GossipBatchResponseSignatureVerifier(), sig_pool) # GOSSIP_BATCH_RESPONSE 3) Check batch structure self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, structure_verifier.GossipBatchResponseStructureVerifier(), network_thread_pool) # GOSSIP_BATCH_RESPONSE 4) Send message to completer self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, CompleterGossipBatchResponseHandler(completer), network_thread_pool) self._network_dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, ResponderBatchResponseHandler(responder, self._gossip), network_thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_SUBMIT_REQUEST, BatchListPermissionVerifier( permission_verifier=permission_verifier), sig_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_SUBMIT_REQUEST, signature_verifier.BatchListSignatureVerifier(), sig_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_SUBMIT_REQUEST, structure_verifier.BatchListStructureVerifier(), network_thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_SUBMIT_REQUEST, CompleterBatchListBroadcastHandler(completer, self._gossip), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_SUBMIT_REQUEST, client_handlers.BatchSubmitFinisher(batch_tracker), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_STATUS_REQUEST, client_handlers.BatchStatusRequest(batch_tracker), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_STATE_LIST_REQUEST, client_handlers.StateListRequest(merkle_db, self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_STATE_GET_REQUEST, client_handlers.StateGetRequest(merkle_db, self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BLOCK_LIST_REQUEST, client_handlers.BlockListRequest(self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BLOCK_GET_REQUEST, client_handlers.BlockGetRequest(self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_LIST_REQUEST, client_handlers.BatchListRequest(self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_BATCH_GET_REQUEST, client_handlers.BatchGetRequest(self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_TRANSACTION_LIST_REQUEST, client_handlers.TransactionListRequest( self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_TRANSACTION_GET_REQUEST, client_handlers.TransactionGetRequest( self._journal.get_block_store()), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_STATE_CURRENT_REQUEST, client_handlers.StateCurrentRequest( self._journal.get_current_root), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_RECEIPT_GET_REQUEST, ClientReceiptGetRequestHandler(receipt_store), thread_pool) # State Delta Subscription Handlers self._dispatcher.add_handler( validator_pb2.Message.STATE_DELTA_SUBSCRIBE_REQUEST, StateDeltaSubscriberValidationHandler(state_delta_processor), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.STATE_DELTA_SUBSCRIBE_REQUEST, StateDeltaAddSubscriberHandler(state_delta_processor), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.STATE_DELTA_UNSUBSCRIBE_REQUEST, StateDeltaUnsubscriberHandler(state_delta_processor), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.STATE_DELTA_GET_EVENTS_REQUEST, StateDeltaGetEventsHandler(block_store, state_delta_store), thread_pool) # Client Events Handlers self._dispatcher.add_handler( validator_pb2.Message.CLIENT_EVENTS_SUBSCRIBE_REQUEST, ClientEventsSubscribeValidationHandler(event_broadcaster), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_EVENTS_SUBSCRIBE_REQUEST, ClientEventsSubscribeHandler(event_broadcaster), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_EVENTS_UNSUBSCRIBE_REQUEST, ClientEventsUnsubscribeHandler(event_broadcaster), thread_pool) self._dispatcher.add_handler( validator_pb2.Message.CLIENT_EVENTS_GET_REQUEST, ClientEventsGetRequestHandler(event_broadcaster), thread_pool)
def add( dispatcher, interconnect, gossip, completer, responder, thread_pool, sig_pool, has_block, has_batch, permission_verifier, consensus_notifier, ): # -- Basic Networking -- # dispatcher.add_handler(validator_pb2.Message.PING_REQUEST, PingRequestHandler(network=interconnect), thread_pool, priority=Priority.HIGH) dispatcher.add_handler(validator_pb2.Message.PING_RESPONSE, PingResponseHandler(), thread_pool) dispatcher.add_handler(validator_pb2.Message.NETWORK_CONNECT, ConnectHandler(network=interconnect), thread_pool) dispatcher.add_handler(validator_pb2.Message.NETWORK_DISCONNECT, DisconnectHandler(network=interconnect), thread_pool) # -- Authorization -- # dispatcher.set_message_priority( validator_pb2.Message.AUTHORIZATION_CONNECTION_RESPONSE, Priority.MEDIUM) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_VIOLATION, AuthorizationViolationHandler(network=interconnect, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.AUTHORIZATION_TRUST_REQUEST, AuthorizationTrustRequestHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool, priority=Priority.MEDIUM) challenge_request_handler = AuthorizationChallengeRequestHandler( network=interconnect) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_REQUEST, challenge_request_handler, thread_pool, priority=Priority.MEDIUM) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_SUBMIT, AuthorizationChallengeSubmitHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip, cache=challenge_request_handler.get_challenge_payload_cache()), thread_pool, priority=Priority.MEDIUM) # -- Gossip -- # dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, GetPeersRequestHandler(gossip=gossip), thread_pool) dispatcher.set_message_priority( validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, Priority.MEDIUM) dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, GetPeersResponseHandler(gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_REGISTER, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_REGISTER, PeerRegisterHandler(gossip=gossip), thread_pool) dispatcher.set_message_priority(validator_pb2.Message.GOSSIP_REGISTER, Priority.MEDIUM) dispatcher.add_handler(validator_pb2.Message.GOSSIP_UNREGISTER, PeerUnregisterHandler(gossip=gossip), thread_pool) # GOSSIP_MESSAGE ) Check if this is a block and if we already have it dispatcher.set_preprocessor(validator_pb2.Message.GOSSIP_MESSAGE, gossip_message_preprocessor, thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, GossipMessageDuplicateHandler(), thread_pool) # GOSSIP_MESSAGE ) Verify Network Permissions dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_MESSAGE ) Verifies signature dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, signature_verifier.GossipMessageSignatureVerifier(), sig_pool) # GOSSIP_MESSAGE ) Verifies batch structure dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, structure_verifier.GossipHandlerStructureVerifier(), thread_pool) # GOSSIP_MESSAGE ) Verifies that the node is allowed to publish a # block dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkConsensusPermissionHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_MESSAGE ) Determines if this is a consensus message and notifies # the consensus engine if it is dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, GossipConsensusHandler(gossip=gossip, notifier=consensus_notifier), thread_pool) # GOSSIP_MESSAGE ) Determines if we should broadcast the # message to our peers. It is important that this occur prior # to the sending of the message to the completer, as this step # relies on whether the gossip message has previously been # seen by the validator to determine whether or not forwarding # should occur dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, GossipBroadcastHandler(gossip=gossip), thread_pool) # GOSSIP_MESSAGE ) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, CompleterGossipHandler(completer), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_REQUEST, BlockResponderHandler(responder, gossip), thread_pool) dispatcher.set_preprocessor(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, gossip_block_response_preprocessor, thread_pool) # GOSSIP_BLOCK_RESPONSE 1) Check for duplicate responses dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, GossipBlockResponseHandler(completer, responder), thread_pool) # GOSSIP_MESSAGE 2) Verify Network Permissions dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_BLOCK_RESPONSE 3) Verifies signature dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, signature_verifier.GossipBlockResponseSignatureVerifier(), sig_pool) # GOSSIP_BLOCK_RESPONSE 4) Check batch structure dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, structure_verifier.GossipBlockResponseStructureVerifier(), thread_pool) # GOSSIP_BLOCK_RESPONSE 5) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, CompleterGossipBlockResponseHandler(completer), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, ResponderBlockResponseHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, BatchByBatchIdResponderHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, BatchByTransactionIdResponderHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.set_preprocessor(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, gossip_batch_response_preprocessor, thread_pool) # GOSSIP_BATCH_RESPONSE 1) Check for duplicate responses dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, GossipBatchResponseHandler(completer, responder, has_batch), thread_pool) # GOSSIP_BATCH_RESPONSE 2) Verifies signature dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, signature_verifier.GossipBatchResponseSignatureVerifier(), sig_pool) # GOSSIP_BATCH_RESPONSE 3) Check batch structure dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, structure_verifier.GossipBatchResponseStructureVerifier(), thread_pool) # GOSSIP_BATCH_RESPONSE 4) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, CompleterGossipBatchResponseHandler(completer), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, ResponderBatchResponseHandler(responder, gossip), thread_pool)
def add( dispatcher, interconnect, gossip, completer, responder, thread_pool, sig_pool, permission_verifier, ): # -- Basic Networking -- # dispatcher.add_handler(validator_pb2.Message.PING_REQUEST, PingHandler(network=interconnect), thread_pool) dispatcher.add_handler(validator_pb2.Message.NETWORK_CONNECT, ConnectHandler(network=interconnect), thread_pool) dispatcher.add_handler(validator_pb2.Message.NETWORK_DISCONNECT, DisconnectHandler(network=interconnect), thread_pool) # -- Authorization -- # dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_VIOLATION, AuthorizationViolationHandler(network=interconnect, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_TRUST_REQUEST, AuthorizationTrustRequestHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_REQUEST, AuthorizationChallengeRequestHandler(network=interconnect), thread_pool) dispatcher.add_handler( validator_pb2.Message.AUTHORIZATION_CHALLENGE_SUBMIT, AuthorizationChallengeSubmitHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # -- Gossip -- # dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_GET_PEERS_REQUEST, GetPeersRequestHandler(gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_GET_PEERS_RESPONSE, GetPeersResponseHandler(gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_REGISTER, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_REGISTER, PeerRegisterHandler(gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_UNREGISTER, PeerUnregisterHandler(gossip=gossip), thread_pool) # GOSSIP_MESSAGE 1) Sends acknowledgement to the sender dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, GossipMessageHandler(), thread_pool) # GOSSIP_MESSAGE 2) Verify Network Permissions dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_MESSAGE 3) Verifies signature dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, signature_verifier.GossipMessageSignatureVerifier(), sig_pool) # GOSSIP_MESSAGE 4) Verifies batch structure dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, structure_verifier.GossipHandlerStructureVerifier(), thread_pool) # GOSSIP_MESSAGE 4) Verifies that the node is allowed to publish a # block dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, NetworkConsensusPermissionHandler( network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_MESSAGE 5) Determines if we should broadcast the # message to our peers. It is important that this occur prior # to the sending of the message to the completer, as this step # relies on whether the gossip message has previously been # seen by the validator to determine whether or not forwarding # should occur dispatcher.add_handler( validator_pb2.Message.GOSSIP_MESSAGE, GossipBroadcastHandler(gossip=gossip, completer=completer), thread_pool) # GOSSIP_MESSAGE 6) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_MESSAGE, CompleterGossipHandler(completer), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_REQUEST, BlockResponderHandler(responder, gossip), thread_pool) # GOSSIP_BLOCK_RESPONSE 1) Sends ack to the sender dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, GossipBlockResponseHandler(), thread_pool) # GOSSIP_MESSAGE 2) Verify Network Permissions dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_BLOCK_RESPONSE 3) Verifies signature dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, signature_verifier.GossipBlockResponseSignatureVerifier(), sig_pool) # GOSSIP_BLOCK_RESPONSE 4) Check batch structure dispatcher.add_handler( validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, structure_verifier.GossipBlockResponseStructureVerifier(), thread_pool) # GOSSIP_BLOCK_RESPONSE 5) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, CompleterGossipBlockResponseHandler(completer), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BLOCK_RESPONSE, ResponderBlockResponseHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_BATCH_ID_REQUEST, BatchByBatchIdResponderHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_BY_TRANSACTION_ID_REQUEST, BatchByTransactionIdResponderHandler(responder, gossip), thread_pool) dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, NetworkPermissionHandler(network=interconnect, permission_verifier=permission_verifier, gossip=gossip), thread_pool) # GOSSIP_BATCH_RESPONSE 1) Sends ack to the sender dispatcher.add_handler(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, GossipBatchResponseHandler(), thread_pool) # GOSSIP_BATCH_RESPONSE 2) Verifies signature dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, signature_verifier.GossipBatchResponseSignatureVerifier(), sig_pool) # GOSSIP_BATCH_RESPONSE 3) Check batch structure dispatcher.add_handler( validator_pb2.Message.GOSSIP_BATCH_RESPONSE, structure_verifier.GossipBatchResponseStructureVerifier(), thread_pool) # GOSSIP_BATCH_RESPONSE 4) Send message to completer dispatcher.add_handler(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, CompleterGossipBatchResponseHandler(completer), thread_pool) dispatcher.add_handler(validator_pb2.Message.GOSSIP_BATCH_RESPONSE, ResponderBatchResponseHandler(responder, gossip), thread_pool)