def generate_block(self,
previous_block=None,
add_to_store=False,
add_to_cache=False,
batch_count=0,
status=BlockStatus.Unknown,
invalid_consensus=False,
invalid_batch=False,
invalid_signature=False,
weight=None):
previous = self._get_block(previous_block)
if previous is None:
previous = self.chain_head
self.block_publisher.on_chain_updated(previous)
while self.block_sender.new_block is None:
self.block_publisher.on_batch_received(Batch())
self.block_publisher.on_check_publish_block(True)
block = self.block_sender.new_block
self.block_sender.new_block = None
block = BlockWrapper(block)
if invalid_signature:
block.block.header_signature = "BAD"
block.weight = weight
block.status = status
if add_to_cache:
self.block_cache[block.identifier] = block
if add_to_store:
if block.weight is None:
state_view = self.state_view_factory.create_view(None)
tmv = mock_consensus.\
BlockVerifier(block_cache=self.block_cache,
state_view=state_view)
block.weight = tmv.compute_block_weight(block)
self.block_store[block.identifier] = block
return block
def generate_block(self,
previous_block=None,
add_to_store=False,
add_to_cache=False,
batch_count=0,
status=BlockStatus.Unknown,
invalid_consensus=False,
invalid_batch=False,
invalid_signature=False,
weight=0):
previous = self._get_block(previous_block)
if previous is None:
previous = self.chain_head
self.block_publisher.on_chain_updated(previous)
while self.block_sender.new_block is None:
self.block_publisher.on_batch_received(
self._generate_batch_from_payload(''))
self.block_publisher.on_check_publish_block(True)
block_from_sender = self.block_sender.new_block
self.block_sender.new_block = None
block_wrapper = BlockWrapper(block_from_sender)
if invalid_signature:
block_wrapper.block.header_signature = "BAD"
if invalid_consensus:
block_wrapper.header.consensus = b'BAD'
if invalid_batch:
block_wrapper.block.batches.extend(
[self._generate_batch_from_payload('BAD')])
block_wrapper.weight = weight
block_wrapper.status = status
if add_to_cache:
self.block_cache[block_wrapper.identifier] = block_wrapper
if add_to_store:
self.block_store[block_wrapper.identifier] = block_wrapper
LOGGER.debug("Generated %s", dumps_block(block_wrapper))
return block_wrapper
def generate_block(self, previous_block=None,
add_to_store=False,
add_to_cache=False,
batch_count=0,
status=BlockStatus.Unknown,
invalid_consensus=False,
invalid_batch=False,
invalid_signature=False,
weight=0):
previous = self._get_block(previous_block)
if previous is None:
previous = self.chain_head
self.block_publisher.on_chain_updated(previous)
while self.block_sender.new_block is None:
self.block_publisher.on_batch_received(
self._generate_batch_from_payload(''))
self.block_publisher.on_check_publish_block(True)
block_from_sender = self.block_sender.new_block
self.block_sender.new_block = None
block_wrapper = BlockWrapper(block_from_sender)
if invalid_signature:
block_wrapper.block.header_signature = "BAD"
if invalid_consensus:
block_wrapper.header.consensus = b'BAD'
if invalid_batch:
block_wrapper.block.batches.extend(
[self._generate_batch_from_payload('BAD')])
block_wrapper.weight = weight
block_wrapper.status = status
if add_to_cache:
self.block_cache[block_wrapper.identifier] = block_wrapper
if add_to_store:
self.block_store[block_wrapper.identifier] = block_wrapper
LOGGER.debug("Generated %s", dumps_block(block_wrapper))
return block_wrapper
def generate_block(self, previous_block=None,
add_to_store=False,
add_to_cache=False,
batch_count=0,
status=BlockStatus.Unknown,
invalid_consensus=False,
invalid_batch=False,
invalid_signature=False,
weight=1):
previous = self._get_block(previous_block)
if previous is None:
previous = self._generate_genesis_block(_generate_id())
previous.set_signature(_generate_id())
previous_block = BlockWrapper(
block=previous.build_block(),
weight=0,
status=BlockStatus.Valid)
self.block_cache[previous_block.identifier] = previous_block
self.block_publisher.on_chain_updated(previous_block)
while self.block_sender.new_block is None:
self.block_publisher.on_batch_received(Batch())
self.block_publisher.on_check_publish_block(True)
block = self.block_sender.new_block
self.block_sender.new_block = None
block = BlockWrapper(block)
if invalid_signature:
block.block.header_signature = "BAD"
block.weight = 0
block.status = status
if add_to_cache:
self.block_cache[block.identifier] = block
if add_to_store:
self.block_store[block.identifier] = block
return block
def generate_block(self,
previous_block=None,
add_to_store=False,
add_to_cache=False,
batch_count=1,
batches=None,
status=BlockStatus.Unknown,
invalid_consensus=False,
invalid_batch=False,
invalid_signature=False,
weight=0):
previous = self._get_block(previous_block)
if previous is None:
previous = self.chain_head
header = BlockHeader(previous_block_id=previous.identifier,
signer_pubkey=self.public_key,
block_num=previous.block_num + 1)
block_builder = BlockBuilder(header)
if batches:
block_builder.add_batches(batches)
if batch_count != 0:
block_builder.add_batches(
[self._generate_batch() for _ in range(batch_count)])
if invalid_batch:
block_builder.add_batches(
[self._generate_batch_from_payload('BAD')])
block_builder.set_state_hash('0' * 70)
consensus = mock_consensus.BlockPublisher()
consensus.finalize_block(block_builder.block_header)
header_bytes = block_builder.block_header.SerializeToString()
signature = signing.sign(header_bytes, self.identity_signing_key)
block_builder.set_signature(signature)
block_wrapper = BlockWrapper(block_builder.build_block())
if batches:
block_wrapper.block.batches.extend(batches)
if batch_count:
block_wrapper.block.batches.extend(
[self.generate_batch() for _ in range(batch_count)])
if invalid_signature:
block_wrapper.block.header_signature = "BAD"
if invalid_consensus:
block_wrapper.header.consensus = b'BAD'
block_wrapper.weight = weight
block_wrapper.status = status
if add_to_cache:
self.block_cache[block_wrapper.identifier] = block_wrapper
if add_to_store:
self.block_store[block_wrapper.identifier] = block_wrapper
LOGGER.debug("Generated %s", dumps_block(block_wrapper))
return block_wrapper
