class TestSettingsCache(unittest.TestCase):
def setUp(self):
self._settings_view_factory = MockSettingsViewFactory()
self._settings_cache = SettingsCache(self._settings_view_factory, )
def test_get_settings(self):
"""
Test that a setting can be fetched from the state.
"""
self._settings_view_factory.add_setting("setting1", "test")
self.assertIsNone(self._settings_cache["setting1"])
settings_view = \
self._settings_view_factory.create_settings_view("state_root")
self.assertEqual(
self._settings_cache.get_setting("setting1", "state_root"),
settings_view.get_setting("setting1"))
def test_setting_invalidate(self):
"""
Test that a setting can be invalidated.
"""
self._settings_view_factory.add_setting("setting1", "test")
self._settings_cache.invalidate("setting1")
self.assertEqual(self._settings_cache["setting2"], None)
settings_view = \
self._settings_view_factory.create_settings_view("state_root")
self.assertEqual(
self._settings_cache.get_setting("setting1", "state_root"),
settings_view.get_setting("setting1"))
def test_forked(self):
"""
Test that forked() invalidates all items in the cache, and they can
be fetched from state.
"""
self._settings_view_factory.add_setting("setting1", "test1")
self._settings_view_factory.add_setting("setting2", "test2")
settings_view = \
self._settings_view_factory.create_settings_view("state_root")
self._settings_cache.get_setting("setting1", "test1")
self._settings_cache.get_setting("setting2", "test2")
self.assertEqual(len(self._settings_cache), 2)
self._settings_cache.forked()
self.assertEqual(self._settings_cache["setting1"], None)
self.assertEqual(self._settings_cache["setting2"], None)
self.assertEqual(
self._settings_cache.get_setting("setting1", "state_root"),
settings_view.get_setting("setting1"))
self.assertEqual(
self._settings_cache.get_setting("setting2", "state_root"),
settings_view.get_setting("setting2"))
def setUp(self):
self._settings_view_factory = MockSettingsViewFactory()
self._settings_cache = SettingsCache(self._settings_view_factory, )
self._settings_obsever = SettingsObserver(
to_update=self._settings_cache.invalidate,
forked=self._settings_cache.forked)
# Make sure SettingsCache has populated settings
self._settings_view_factory.add_setting("setting1", "test")
def do_batch_injection_start_block():
injected_batch = testBlockPublisher.make_batch()
testBlockPublisher.publisher = BlockPublisher(
transaction_executor=MockTransactionExecutor(),
block_cache=testBlockPublisher.block_tree_manager.block_cache,
state_view_factory=testBlockPublisher.state_view_factory,
settings_cache=SettingsCache(
SettingsViewFactory(
testBlockPublisher.block_tree_manager.state_view_factory),
),
block_sender=testBlockPublisher.block_sender,
batch_sender=testBlockPublisher.batch_sender,
squash_handler=None,
chain_head=testBlockPublisher.block_tree_manager.chain_head,
identity_signer=testBlockPublisher.block_tree_manager.
identity_signer,
data_dir=None,
config_dir=None,
permission_verifier=testBlockPublisher.permission_verifier,
check_publish_block_frequency=0.1,
batch_observers=[],
batch_injector_factory=MockBatchInjectorFactory(injected_batch))
testBlockPublisher.receive_batches()
testBlockPublisher.publish_block()
def __init__(self):
self.block_tree_manager = BlockTreeManager()
self.block_sender = MockBlockSender()
self.batch_sender = MockBatchSender()
self.state_view_factory = MockStateViewFactory({})
self.permission_verifier = MockPermissionVerifier()
self.publisher = BlockPublisher(
transaction_executor=MockTransactionExecutor(),
block_cache=self.block_tree_manager.block_cache,
state_view_factory=self.state_view_factory,
settings_cache=SettingsCache(
SettingsViewFactory(
self.block_tree_manager.state_view_factory), ),
block_sender=self.block_sender,
batch_sender=self.batch_sender,
squash_handler=None,
chain_head=self.block_tree_manager.chain_head,
identity_signer=self.block_tree_manager.identity_signer,
data_dir=None,
config_dir=None,
check_publish_block_frequency=0.1,
batch_observers=[],
permission_verifier=self.permission_verifier)
self.init_chain_head = self.block_tree_manager.chain_head
self.result_block = None
# A list of batches is created at the beginning of each test.
# The test assertions and the publisher function wrappers
# take these batches as a default argument.
self.batch_count = 8
self.batches = self.make_batches()
def __init__(self, with_genesis=True):
self.block_sender = MockBlockSender()
self.batch_sender = MockBatchSender()
self.block_store = BlockStore(
DictDatabase(indexes=BlockStore.create_index_configuration()))
self.block_cache = BlockCache(self.block_store)
self.state_db = {}
self.block_manager = BlockManager()
self.block_manager.add_store("commit_store", self.block_store)
# add the mock reference to the consensus
consensus_setting_addr = SettingsView.setting_address(
'sawtooth.consensus.algorithm')
self.state_db[consensus_setting_addr] = _setting_entry(
'sawtooth.consensus.algorithm', 'test_journal.mock_consensus')
self.state_view_factory = MockStateViewFactory(self.state_db)
context = create_context('secp256k1')
private_key = context.new_random_private_key()
crypto_factory = CryptoFactory(context)
self.signer = crypto_factory.new_signer(private_key)
identity_private_key = context.new_random_private_key()
self.identity_signer = crypto_factory.new_signer(identity_private_key)
chain_head = None
if with_genesis:
self.genesis_block = self.generate_genesis_block()
chain_head = self.genesis_block
self.block_manager.put([chain_head.block])
self.block_manager.persist(chain_head.block.header_signature,
"commit_store")
self.block_publisher = BlockPublisher(
block_manager=self.block_manager,
transaction_executor=MockTransactionExecutor(),
transaction_committed=self.block_store.has_transaction,
batch_committed=self.block_store.has_batch,
state_view_factory=self.state_view_factory,
settings_cache=SettingsCache(
SettingsViewFactory(self.state_view_factory), ),
block_sender=self.block_sender,
batch_sender=self.block_sender,
chain_head=chain_head.block,
identity_signer=self.identity_signer,
data_dir=None,
config_dir=None,
permission_verifier=MockPermissionVerifier(),
batch_observers=[])
def __init__(self, with_genesis=True):
self.block_sender = MockBlockSender()
self.batch_sender = MockBatchSender()
self.block_store = BlockStore(DictDatabase(
indexes=BlockStore.create_index_configuration()))
self.block_cache = BlockCache(self.block_store)
self.state_db = {}
# add the mock reference to the consensus
consensus_setting_addr = SettingsView.setting_address(
'sawtooth.consensus.algorithm')
self.state_db[consensus_setting_addr] = _setting_entry(
'sawtooth.consensus.algorithm', 'test_journal.mock_consensus')
self.state_view_factory = MockStateViewFactory(self.state_db)
context = create_context('secp256k1')
private_key = context.new_random_private_key()
crypto_factory = CryptoFactory(context)
self.signer = crypto_factory.new_signer(private_key)
identity_private_key = context.new_random_private_key()
self.identity_signer = crypto_factory.new_signer(identity_private_key)
chain_head = None
if with_genesis:
self.genesis_block = self.generate_genesis_block()
self.set_chain_head(self.genesis_block)
chain_head = self.genesis_block
self.block_publisher = BlockPublisher(
transaction_executor=MockTransactionExecutor(),
block_cache=self.block_cache,
state_view_factory=self.state_view_factory,
settings_cache=SettingsCache(
SettingsViewFactory(self.state_view_factory),
),
block_sender=self.block_sender,
batch_sender=self.block_sender,
squash_handler=None,
chain_head=chain_head,
identity_signer=self.identity_signer,
data_dir=None,
config_dir=None,
permission_verifier=MockPermissionVerifier(),
check_publish_block_frequency=0.1,
batch_observers=[])
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 do_publish_block():
btm = BlockTreeManager()
block_publisher = None
chain_controller = None
try:
block_publisher = BlockPublisher(
transaction_executor=testJournal.txn_executor,
block_cache=btm.block_cache,
state_view_factory=MockStateViewFactory(btm.state_db),
settings_cache=SettingsCache(
SettingsViewFactory(btm.state_view_factory), ),
block_sender=testJournal.block_sender,
batch_sender=testJournal.batch_sender,
squash_handler=None,
chain_head=btm.block_store.chain_head,
identity_signer=btm.identity_signer,
data_dir=None,
config_dir=None,
permission_verifier=testJournal.permission_verifier,
check_publish_block_frequency=0.1,
batch_observers=[],
batch_injector_factory=DefaultBatchInjectorFactory(
block_store=btm.block_store,
state_view_factory=MockStateViewFactory(btm.state_db),
signer=btm.identity_signer))
block_validator = BlockValidator(
state_view_factory=MockStateViewFactory(btm.state_db),
block_cache=btm.block_cache,
transaction_executor=testJournal.txn_executor,
squash_handler=None,
identity_signer=btm.identity_signer,
data_dir=None,
config_dir=None,
permission_verifier=testJournal.permission_verifier)
chain_controller = ChainController(
block_cache=btm.block_cache,
block_validator=block_validator,
state_view_factory=MockStateViewFactory(btm.state_db),
chain_head_lock=block_publisher.chain_head_lock,
on_chain_updated=block_publisher.on_chain_updated,
chain_id_manager=None,
data_dir=None,
config_dir=None,
chain_observers=[])
testJournal.gossip.on_batch_received = block_publisher.queue_batch
testJournal.gossip.on_block_received = chain_controller.queue_block
block_publisher.start()
chain_controller.start()
# feed it a batch
batch = Batch()
block_publisher.queue_batch(batch)
wait_until(lambda: testJournal.block_sender.new_block is not None,
2)
assert testJournal.block_sender.new_block != None
block = BlockWrapper(testJournal.block_sender.new_block)
chain_controller.queue_block(block)
# wait for the chain_head to be updated.
wait_until(lambda: btm.chain_head.identifier == block.identifier,
2)
# assert btm.chain_head.identifier == block.identifier
finally:
if block_publisher is not None:
block_publisher.stop()
if chain_controller is not None:
chain_controller.stop()
if block_validator is not None:
block_validator.stop()
def setUp(self):
self._settings_view_factory = MockSettingsViewFactory()
self._settings_cache = SettingsCache(self._settings_view_factory, )
class TestSettingsObserver(unittest.TestCase):
def setUp(self):
self._settings_view_factory = MockSettingsViewFactory()
self._settings_cache = SettingsCache(self._settings_view_factory, )
self._settings_obsever = SettingsObserver(
to_update=self._settings_cache.invalidate,
forked=self._settings_cache.forked)
# Make sure SettingsCache has populated settings
self._settings_view_factory.add_setting("setting1", "test")
def create_block(self, previous_block_id="0000000000000000"):
block_header = BlockHeader(block_num=85,
state_root_hash="0987654321fedcba",
previous_block_id=previous_block_id)
block = BlockWrapper(
Block(header_signature="abcdef1234567890",
header=block_header.SerializeToString()))
return block
def test_chain_update(self):
"""
Test that if there is no fork and only one value is updated, only
that value is in validated in the catch.
"""
# Set up cache so it does not fork
block1 = self.create_block()
self._settings_obsever.chain_update(block1, [])
self._settings_cache.get_setting("setting1", "state_root")
self.assertNotEqual(self._settings_cache["setting1"], None)
# Add next block and event that says network was updated.
block2 = self.create_block("abcdef1234567890")
event = Event(
event_type="settings/update",
attributes=[Event.Attribute(key="updated", value="setting1")])
receipts = TransactionReceipt(events=[event])
self._settings_obsever.chain_update(block2, [receipts])
# Check that only "network" was invalidated
self.assertEqual(self._settings_cache["setting"], None)
# check that the correct values can be fetched from state.
settings_view = \
self._settings_view_factory.create_settings_view("state_root")
self.assertEqual(
self._settings_cache.get_setting("setting1", "state_root"),
settings_view.get_setting("setting1"))
def test_fork(self):
"""
Test that if there is a fork, all values in the cache will be
invalidated and fetched from state.
"""
block = self.create_block()
self._settings_obsever.chain_update(block, [])
# Check that all items are invalid
for key in self._settings_cache:
self.assertEqual(self._settings_cache[key], None)
# Check that the items can be fetched from state.
settings_view = \
self._settings_view_factory.create_settings_view("state_root")
self.assertEqual(
self._settings_cache.get_setting("setting1", "state_root"),
settings_view.get_setting("setting1"))
def setUp(self):
self._settings_view_factory = MockSettingsViewFactory()
self._settings_cache = SettingsCache(self._settings_view_factory, )
self._state_root_func = lambda: "state_root"
