def test_block_votes_false(self):
ratio = 0.67
block_hash = Hash32(os.urandom(Hash32.size))
block_votes = BlockVotes(self.reps, ratio, 0, 0, block_hash)
for i, signer in enumerate(self.signers):
if i % 4 == 0:
block_vote = BlockVote.new(signer, 0, 0, 0, block_hash)
else:
block_vote = BlockVote.new(signer, 0, 0, 0, Hash32.empty())
block_votes.add_vote(block_vote)
logging.info(block_votes)
self.assertEqual(block_votes.quorum, len(self.reps) * ratio)
self.assertEqual(block_votes.get_result(), False)
def vote_unconfirmed_block(self, block: Block, round_: int, is_validated):
util.logger.debug(
f"vote_unconfirmed_block() ({block.header.height}/{block.header.hash}/{is_validated})"
)
vote = BlockVote.new(
signer=ChannelProperty().peer_auth,
block_height=block.header.height,
round_=round_,
block_hash=block.header.hash if is_validated else Hash32.empty(),
timestamp=util.get_time_stamp())
self.candidate_blocks.add_vote(vote)
vote_serialized = vote.serialize()
vote_dumped = json.dumps(vote_serialized)
block_vote = loopchain_pb2.BlockVote(vote=vote_dumped,
channel=ChannelProperty().name)
target_reps_hash = block.header.reps_hash
if not target_reps_hash:
target_reps_hash = self.__channel_service.peer_manager.prepared_reps_hash
self.__channel_service.broadcast_scheduler.schedule_broadcast(
"VoteUnconfirmedBlock", block_vote, reps_hash=target_reps_hash)
return vote
def test_block_invalid_vote(self):
ratio = 0.67
block_hash = Hash32(os.urandom(Hash32.size))
block_votes = BlockVotes(self.reps, ratio, 0, 0, block_hash)
invalid_block_vote = BlockVote.new(self.signers[0], 0, 0, 1,
block_hash)
self.assertRaises(RuntimeError, block_votes.add_vote,
invalid_block_vote)
invalid_block_vote = BlockVote.new(self.signers[0], 0, 1, 0,
block_hash)
self.assertRaises(RuntimeError, block_votes.add_vote,
invalid_block_vote)
invalid_block_vote = BlockVote.new(self.signers[0], 0, 0, 0,
Hash32(os.urandom(32)))
self.assertRaises(RuntimeError, block_votes.add_vote,
invalid_block_vote)
invalid_block_vote = BlockVote(rep=self.reps[0],
timestamp=0,
signature=Signature(os.urandom(65)),
block_height=0,
round_=0,
block_hash=block_hash)
self.assertRaises(RuntimeError, block_votes.add_vote,
invalid_block_vote)
block_vote = BlockVote.new(self.signers[0], 0, 0, 0, block_hash)
block_votes.add_vote(block_vote)
duplicate_block_vote = BlockVote.new(self.signers[0], 0, 0, 0,
Hash32.empty())
self.assertRaises(votes.VoteDuplicateError, block_votes.add_vote,
duplicate_block_vote)
def test_block_votes_true(self):
ratio = 0.67
block_hash = Hash32(os.urandom(Hash32.size))
block_votes = BlockVotes(self.reps, ratio, 0, 0, block_hash)
for i, signer in enumerate(self.signers):
if i == 66:
break
block_vote = BlockVote.new(signer, 0, 0, 0, block_hash)
block_votes.add_vote(block_vote)
self.assertEqual(block_votes.quorum, len(self.reps) * ratio)
logging.info(block_votes)
self.assertEqual(block_votes.is_completed(), False)
self.assertEqual(block_votes.get_result(), None)
block_vote = BlockVote.new(self.signers[99], 0, 0, 0, block_hash)
block_votes.add_vote(block_vote)
self.assertEqual(block_votes.is_completed(), True)
self.assertEqual(block_votes.get_result(), True)
def test_block_votes_completed(self):
ratio = 0.67
block_hash = Hash32(os.urandom(Hash32.size))
block_votes = BlockVotes(self.reps, ratio, 0, 0, block_hash)
signers = list(enumerate(self.signers))
for i, signer in signers[:25]:
block_vote = BlockVote.new(signer, 0, 0, 0, block_hash)
block_votes.add_vote(block_vote)
logging.info(block_votes)
self.assertEqual(block_votes.is_completed(), False)
self.assertEqual(block_votes.get_result(), None)
for i, signer in signers[25:50]:
block_vote = BlockVote.new(signer, 0, 0, 0, block_hash)
block_votes.add_vote(block_vote)
logging.info(block_votes)
self.assertEqual(block_votes.is_completed(), False)
self.assertEqual(block_votes.get_result(), None)
for i, signer in signers[50:75]:
block_vote = BlockVote.new(signer, 0, 0, 0, Hash32.empty())
block_votes.add_vote(block_vote)
logging.info(block_votes)
self.assertEqual(block_votes.is_completed(), False)
self.assertEqual(block_votes.get_result(), None)
for i, signer in signers[75:90]:
block_vote = BlockVote.new(signer, 0, 0, 0, Hash32.empty())
block_votes.add_vote(block_vote)
logging.info(block_votes)
self.assertEqual(block_votes.is_completed(), True)
self.assertEqual(block_votes.get_result(), False)
def test_block_vote(self):
signer = self.signers[0]
block_hash = Hash32(os.urandom(Hash32.size))
block_vote = BlockVote.new(signer, 0, 0, 0, block_hash)
block_vote.verify()
origin = f"icx_vote.blockHash.{block_vote.block_hash.hex_0x()}.blockHeight.{hex(block_vote.block_height)}."
origin += f"rep.{block_vote.rep.hex_hx()}.round_.{block_vote.round_}.timestamp.{hex(block_vote.timestamp)}"
origin_data = block_vote.to_origin_data(**block_vote.origin_args())
self.assertEqual(
origin, vote.hash_generator.generate_salted_origin(origin_data))
self.assertEqual(
Hash32(hashlib.sha3_256(origin.encode('utf-8')).digest()),
block_vote.to_hash(**block_vote.origin_args()))
def vote_unconfirmed_block(self, vote_dumped: str) -> None:
try:
vote_serialized = json.loads(vote_dumped)
except json.decoder.JSONDecodeError:
util.logger.warning(
f"This vote({vote_dumped}) may be from old version.")
else:
vote = BlockVote.deserialize(vote_serialized)
util.logger.debug(
f"Peer vote to : {vote.block_height}({vote.round_}) {vote.block_hash} from {vote.rep.hex_hx()}"
)
self._block_manager.candidate_blocks.add_vote(vote)
if self._channel_service.state_machine.state == "BlockGenerate" and \
self._block_manager.consensus_algorithm:
self._block_manager.consensus_algorithm.vote(vote)