def handle_request(self, request, response, connection_id):
try:
blocks = []
for block in self._proxy.blocks_get(request.block_ids):
block_header = BlockHeader()
block_header.ParseFromString(block.header)
blocks.append(
consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.header_signature),
previous_id=bytes.fromhex(
block_header.previous_block_id),
signer_id=bytes.fromhex(
block_header.signer_public_key),
block_num=block_header.block_num,
payload=block_header.consensus))
response.blocks.extend(blocks)
except UnknownBlock:
response.status =\
consensus_pb2.ConsensusBlocksGetResponse.UNKNOWN_BLOCK
except Exception: # pylint: disable=broad-except
LOGGER.exception("ConsensusBlocksGet")
response.status =\
consensus_pb2.ConsensusBlocksGetResponse.SERVICE_ERROR
return HandlerStatus.RETURN
def handle_request(self, request, response):
try:
blocks = []
for block in self._proxy.blocks_get(request.block_ids):
LOGGER.debug('ConsensusBlocksGetHandler: block %s',type(block.header))
"""
block manager return blocks from store where header is string and we should decode it
in case of chain controller it is object
"""
if not isinstance(block.header,BlockHeader) :
block_header = BlockHeader()
block_header.ParseFromString(block.header)
else:
block_header = block.header
blocks.append(consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.header_signature),
previous_id=bytes.fromhex(block_header.previous_block_id),
signer_id=bytes.fromhex(block_header.signer_public_key),
block_num=block_header.block_num,
payload=block_header.consensus))
response.blocks.extend(blocks)
except UnknownBlock:
LOGGER.debug('ConsensusBlocksGetHandler:proxy UNKNOWN_BLOCK')
response.status = consensus_pb2.ConsensusBlocksGetResponse.UNKNOWN_BLOCK
except Exception: # pylint: disable=broad-except
LOGGER.exception("ConsensusBlocksGet")
response.status = consensus_pb2.ConsensusBlocksGetResponse.SERVICE_ERROR
def notify_block_new(self, block):
"""
A new block was received and passed initial consensus validation
in federation mode - send only own cluster's nodes
"""
summary = hashlib.sha256()
for batch in block.batches:
summary.update(batch.header_signature.encode())
LOGGER.debug(
'ConsensusNotifier: notify_block_new BLOCK=%s SUMMARY=%s\n',
block.header_signature[:8],
summary.digest().hex()[:10])
block_header = BlockHeader()
block_header.ParseFromString(block.header)
self._notify(
validator_pb2.Message.CONSENSUS_NOTIFY_BLOCK_NEW,
consensus_pb2.ConsensusNotifyBlockNew(
block=consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.header_signature),
previous_id=bytes.fromhex(block_header.previous_block_id),
signer_id=bytes.fromhex(block_header.signer_public_key),
block_num=block_header.block_num,
payload=block_header.consensus,
summary=summary.digest())))
def notify_block_new(self, block):
"""A new block was received and passed initial consensus validation"""
summary = hashlib.sha256()
for batch in block.batches:
summary.update(batch.header_signature.encode())
self._notify(
validator_pb2.Message.CONSENSUS_NOTIFY_BLOCK_NEW,
consensus_pb2.ConsensusNotifyBlockNew(
block=consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.identifier),
previous_id=bytes.fromhex(block.previous_block_id),
signer_id=bytes.fromhex(block.header.signer_public_key),
block_num=block.block_num,
payload=block.consensus,
summary=summary.digest())))
def handle_request(self, request, response):
try:
response.blocks.extend([
consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.identifier),
previous_id=bytes.fromhex(block.previous_block_id),
signer_id=bytes.fromhex(block.signer_public_key),
block_num=block.block_num,
payload=block.consensus)
for block in self._proxy.blocks_get(request.block_ids)
])
except UnknownBlock:
response.status =\
consensus_pb2.ConsensusBlocksGetResponse.UNKNOWN_BLOCK
except Exception: # pylint: disable=broad-except
LOGGER.exception("ConsensusBlocksGet")
response.status =\
consensus_pb2.ConsensusBlocksGetResponse.SERVICE_ERROR
def notify_block_new(self, block):
"""A new block was received and passed initial consensus validation"""
LOGGER.debug('ConsensusNotifier: NOTIFY BLOCK_NEW block=%s', block)
summary = hashlib.sha256()
for batch in block.batches:
summary.update(batch.header_signature.encode())
LOGGER.debug('ConsensusNotifier: NOTIFY BLOCK_NEW summary=%s block=%s',
summary, block)
block_header = BlockHeader()
block_header.ParseFromString(block.header)
self._notify(
validator_pb2.Message.CONSENSUS_NOTIFY_BLOCK_NEW,
consensus_pb2.ConsensusNotifyBlockNew(
block=consensus_pb2.ConsensusBlock(
block_id=bytes.fromhex(block.header_signature),
previous_id=bytes.fromhex(block_header.previous_block_id),
signer_id=bytes.fromhex(block_header.signer_public_key),
block_num=block_header.block_num,
payload=block_header.consensus,
summary=summary.digest())))
