def __init__(self,
transaction_executor,
block_cache,
state_view_factory,
block_sender,
batch_sender,
squash_handler,
chain_head,
identity_signing_key,
data_dir,
config_dir,
permission_verifier,
batch_injector_factory=None):
"""
Initialize the BlockPublisher object
Args:
transaction_executor (:obj:`TransactionExecutor`): A
TransactionExecutor instance.
block_cache (:obj:`BlockCache`): A BlockCache instance.
state_view_factory (:obj:`StateViewFactory`): StateViewFactory for
read-only state views.
block_sender (:obj:`BlockSender`): The BlockSender instance.
batch_sender (:obj:`BatchSender`): The BatchSender instance.
squash_handler (function): Squash handler function for merging
contexts.
chain_head (:obj:`BlockWrapper`): The initial chain head.
identity_signing_key (str): Private key for signing blocks
data_dir (str): path to location where persistent data for the
consensus module can be stored.
config_dir (str): path to location where configuration can be
found.
batch_injector_factory (:obj:`BatchInjectorFatctory`): A factory
for creating BatchInjectors."""
self._lock = RLock()
self._candidate_block = None # _CandidateBlock helper,
# the next block in potential chain
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._block_sender = block_sender
self._batch_publisher = BatchPublisher(identity_signing_key,
batch_sender)
self._pending_batches = [] # batches we are waiting for validation,
# arranged in the order of batches received.
self._chain_head = chain_head # block (BlockWrapper)
self._squash_handler = squash_handler
self._identity_signing_key = identity_signing_key
self._identity_public_key = \
signing.generate_pubkey(self._identity_signing_key)
self._data_dir = data_dir
self._config_dir = config_dir
self._permission_verifier = permission_verifier
self._batch_injector_factory = batch_injector_factory
def __init__(self,
transaction_executor,
block_cache,
state_view_factory,
block_sender,
batch_sender,
squash_handler,
chain_head,
identity_signing_key,
data_dir):
"""
Initialize the BlockPublisher object
Args:
transaction_executor (:obj:`TransactionExecutor`): A
TransactionExecutor instance.
block_cache (:obj:`BlockCache`): A BlockCache instance.
state_view_factory (:obj:`StateViewFactory`): StateViewFactory for
read-only state views.
block_sender (:obj:`BlockSender`): The BlockSender instance.
batch_sender (:obj:`BatchSender`): The BatchSender instance.
squash_handler (function): Squash handler function for merging
contexts.
chain_head (:obj:`BlockWrapper`): The initial chain head.
identity_signing_key (str): Private key for signing blocks
"""
self._lock = RLock()
self._candidate_block = None # the next block in potentia
self._consensus = None
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._block_sender = block_sender
self._batch_publisher = BatchPublisher(identity_signing_key,
batch_sender)
self._pending_batches = [] # batches we are waiting for validation,
# arranged in the order of batches received.
self._committed_txn_cache = TransactionCache(self._block_cache.
block_store)
# Look-up cache for transactions that are committed in the current
# chain. Cache is used here so that we can support opportunistically
# building on top of a block we published. As well as hold the state
# of the transactions already added to the candidate block.
self._scheduler = None
self._chain_head = chain_head # block (BlockWrapper)
self._squash_handler = squash_handler
self._identity_signing_key = identity_signing_key
self._identity_public_key = \
signing.generate_pubkey(self._identity_signing_key)
self._data_dir = data_dir
def __init__(self,
transaction_executor,
block_cache,
state_view_factory,
block_sender,
batch_sender,
squash_handler,
chain_head,
identity_signer,
data_dir,
config_dir,
permission_verifier,
check_publish_block_frequency,
batch_observers,
batch_injector_factory=None,
metrics_registry=None):
"""
Initialize the BlockPublisher object
Args:
transaction_executor (:obj:`TransactionExecutor`): A
TransactionExecutor instance.
block_cache (:obj:`BlockCache`): A BlockCache instance.
state_view_factory (:obj:`StateViewFactory`): StateViewFactory for
read-only state views.
block_sender (:obj:`BlockSender`): The BlockSender instance.
batch_sender (:obj:`BatchSender`): The BatchSender instance.
squash_handler (function): Squash handler function for merging
contexts.
chain_head (:obj:`BlockWrapper`): The initial chain head.
identity_signer (:obj:`Signer`): Cryptographic signer for signing
blocks
data_dir (str): path to location where persistent data for the
consensus module can be stored.
config_dir (str): path to location where configuration can be
found.
batch_injector_factory (:obj:`BatchInjectorFatctory`): A factory
for creating BatchInjectors.
metrics_registry (MetricsRegistry): Metrics registry used to
create pending batch gauge
"""
self._lock = RLock()
self._candidate_block = None # _CandidateBlock helper,
# the next block in potential chain
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._transaction_executor = transaction_executor
self._block_sender = block_sender
self._batch_publisher = BatchPublisher(identity_signer, batch_sender)
self._pending_batches = [] # batches we are waiting for validation,
# arranged in the order of batches received.
self._pending_batch_ids = []
self._chain_head = chain_head # block (BlockWrapper)
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._batch_injector_factory = batch_injector_factory
# For metric gathering
self._pending_batch_gauge = \
metrics_registry.gauge('pending_batch_gauge') \
if metrics_registry else None
self._batch_queue = queue.Queue()
self._queued_batch_ids = []
self._batch_observers = batch_observers
self._check_publish_block_frequency = check_publish_block_frequency
self._publisher_thread = None
def __init__(self,
transaction_executor,
block_cache,
state_view_factory,
settings_cache,
block_sender,
batch_sender,
chain_head,
identity_signer,
data_dir,
config_dir,
permission_verifier,
check_publish_block_frequency,
batch_observers,
batch_injector_factory=None):
"""
Initialize the BlockPublisher object
Args:
transaction_executor (:obj:`TransactionExecutor`): A
TransactionExecutor instance.
block_cache (:obj:`BlockCache`): A BlockCache instance.
state_view_factory (:obj:`StateViewFactory`): StateViewFactory for
read-only state views.
block_sender (:obj:`BlockSender`): The BlockSender instance.
batch_sender (:obj:`BatchSender`): The BatchSender instance.
chain_head (:obj:`BlockWrapper`): The initial chain head.
identity_signer (:obj:`Signer`): Cryptographic signer for signing
blocks
data_dir (str): path to location where persistent data for the
consensus module can be stored.
config_dir (str): path to location where configuration can be
found.
batch_injector_factory (:obj:`BatchInjectorFatctory`): A factory
for creating BatchInjectors.
"""
self._lock = RLock()
self._candidate_block = None # _CandidateBlock helper,
# the next block in potential chain
self._block_cache = block_cache
self._state_view_factory = state_view_factory
self._settings_cache = settings_cache
self._transaction_executor = transaction_executor
self._block_sender = block_sender
self._batch_publisher = BatchPublisher(identity_signer, batch_sender)
self._pending_batches = PendingBatchesPool(NUM_PUBLISH_COUNT_SAMPLES,
INITIAL_PUBLISH_COUNT)
self._chain_head = chain_head # block (BlockWrapper)
self._identity_signer = identity_signer
self._data_dir = data_dir
self._config_dir = config_dir
self._permission_verifier = permission_verifier
self._batch_injector_factory = batch_injector_factory
# For metric gathering
self._blocks_published_count = COLLECTOR.counter(
'blocks_published_count', instance=self)
self._batch_queue = IncomingBatchQueue()
self._batch_observers = batch_observers
self._check_publish_block_frequency = check_publish_block_frequency
self._publisher_thread = None
# A series of states that allow us to check for condition changes.
# These can be used to log only at the boundary of condition changes.
self._logging_states = _PublisherLoggingStates()
