from sawtooth_signing.secp256k1 import Secp256k1PublicKey
from sawtooth_validator.protobuf import client_batch_submit_pb2
from sawtooth_validator.protobuf.transaction_pb2 import TransactionHeader
from sawtooth_validator.protobuf.batch_pb2 import BatchHeader
from sawtooth_validator.protobuf.block_pb2 import BlockHeader
from sawtooth_validator.protobuf.network_pb2 import GossipMessage
from sawtooth_validator import metrics
from sawtooth_validator.networking.dispatch import HandlerResult
from sawtooth_validator.networking.dispatch import HandlerStatus
from sawtooth_validator.networking.dispatch import Handler
from sawtooth_validator.protobuf.validator_pb2 import Message
from sawtooth_validator.journal.timed_cache import TimedCache
LOGGER = logging.getLogger(__name__)
COLLECTOR = metrics.get_collector(__name__)
def is_valid_block(block):
# validate block signature
header = BlockHeader()
header.ParseFromString(block.header)
context = create_context('secp256k1')
public_key = Secp256k1PublicKey.from_hex(header.signer_public_key)
if not context.verify(block.header_signature, block.header, public_key):
LOGGER.debug("block failed signature validation: %s",
block.header_signature)
return False
# validate all batches in block. These are not all batches in the
from sawtooth_validator.concurrent.threadpool import \
InstrumentedThreadPoolExecutor
from sawtooth_validator.execution.context_manager import \
CreateContextException
from sawtooth_validator.execution.scheduler_serial import SerialScheduler
from sawtooth_validator.execution.scheduler_parallel import ParallelScheduler
from sawtooth_validator.execution.processor_manager import ProcessorType
from sawtooth_validator.execution.processor_manager import ProcessorManager
from sawtooth_validator.execution.processor_manager import \
RoundRobinProcessorIterator
from sawtooth_validator.networking.future import FutureResult
from sawtooth_validator.networking.future import FutureTimeoutError
from sawtooth_validator import metrics
LOGGER = logging.getLogger(__name__)
COLLECTOR = metrics.get_collector(__name__)
class TransactionExecutorThread:
"""A thread of execution controlled by the TransactionExecutor.
Provides the functionality that the journal can process on several
schedulers at once.
"""
def __init__(self,
service,
context_manager,
scheduler,
processor_manager,
settings_view_factory,
invalid_observers):
