def test_transaction_v2_invalid_signature(self):
# noinspection PyDictCreation
tx_dumped = {
'from':
'hx48cd6eb32339d5c719dcc0af21e9bc3b67d733e6',
'to':
'hx22f72e44141bedd50d1e536455682863d3d8a484',
'value':
'0x186a0',
'fee':
'0xf4240',
'timestamp':
'1558679280067963',
'nonce':
'1',
'tx_hash':
'34477b3bc76fa73aad0258ba9fd36f28a3c4b26956c1e5eb92ddda7d98df4e32', # valid hash
'signature':
'W/hW/PAo+ExeSsreD//yJVgNqmnkWKs+m0VUqE11O7Ek82yEINuczLRXtj1k515q8Ep4OLsRPPiPNjDM9vuhsgE='
}
tx_dumped['signature'] = Signature(os.urandom(
Signature.size)).to_base64str() # invalid signature
tx_version, tx_type = self.tx_versioner.get_version(tx_dumped)
ts = TransactionSerializer.new(tx_version, tx_type, self.tx_versioner)
tx = ts.from_(tx_dumped)
tv = TransactionVerifier.new(tx_version, tx_type, self.tx_versioner)
self.assertRaises(TransactionInvalidSignatureError,
lambda: tv.verify(tx))
self.assertRaises(TransactionInvalidSignatureError,
lambda: tv.pre_verify(tx))
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 sign(self):
if self.signature is not None:
return self.signature
if self.hash is None:
raise RuntimeError
self.signature = Signature(self.signer.sign_hash(self.hash))
return self.signature
def sign_transaction(self, tx: 'Transaction'):
if self.signer.address != tx.signer_address.hex_hx():
raise RuntimeError(
f"Signer not match. {self.signer.address} != {tx.signer_address.hex_hx()}"
)
signature = Signature(self.signer.sign_hash(tx.hash))
raw_data = dict(tx.raw_data)
raw_data["signature"] = signature.to_base64str()
return Transaction(raw_data=raw_data,
hash=tx.hash,
signature=signature,
timestamp=tx.timestamp,
from_address=tx.from_address,
to_address=tx.to_address,
value=tx.value,
fee=tx.fee,
nonce=tx.nonce)
def test_leader_invalid_vote(self):
ratio = 0.67
old_leader = self.reps[0]
new_leader = self.reps[1]
leader_votes = LeaderVotes(self.reps, ratio, 0, 0, old_leader)
invalid_leader_vote = LeaderVote.new(self.signers[0], 0, 1, 0,
old_leader, new_leader)
self.assertRaises(RuntimeError, leader_votes.add_vote,
invalid_leader_vote)
invalid_leader_vote = LeaderVote.new(self.signers[0], 0, 0, 1,
old_leader, new_leader)
self.assertRaises(RuntimeError, leader_votes.add_vote,
invalid_leader_vote)
invalid_leader_vote = LeaderVote.new(self.signers[0], 0, 0, 0,
new_leader, new_leader)
self.assertRaises(RuntimeError, leader_votes.add_vote,
invalid_leader_vote)
invalid_leader_vote = LeaderVote(rep=self.reps[0],
timestamp=0,
signature=Signature(os.urandom(65)),
block_height=0,
round_=0,
new_leader=new_leader,
old_leader=old_leader)
self.assertRaises(RuntimeError, leader_votes.add_vote,
invalid_leader_vote)
leader_vote = LeaderVote.new(self.signers[0], 0, 0, 0, old_leader,
new_leader)
leader_votes.add_vote(leader_vote)
duplicate_leader_vote = LeaderVote.new(self.signers[0], 0, 0, 0,
old_leader, self.reps[2])
self.assertRaises(votes.VoteDuplicateError, leader_votes.add_vote,
duplicate_leader_vote)
def test_transaction_v3_invalid_signature(self):
# noinspection PyDictCreation
tx_dumped = {
'version':
'0x3',
'from':
'hx48cd6eb32339d5c719dcc0af21e9bc3b67d733e6',
'to':
'hxe0a231fa5c80e45f51d7df5f7d127954320df829',
'stepLimit':
'0xf4240',
'timestamp':
'0x5899c717f92f8',
'nid':
'0x3',
'value':
'0x186a0',
'nonce':
'0x64',
'data':
'test',
'dataType':
'message',
'signature':
'J84KdBtQR4w1bcBdBGF8g6aNoCXjsY/5T6vGV4RXeMwEvafj9xVRDVjzF+vN1JVYvXrAzjlYPCiiBXBQe6+tRAE='
}
tx_dumped['signature'] = Signature(os.urandom(
Signature.size)).to_base64str() # invalid signature
tx_version, tx_type = self.tx_versioner.get_version(tx_dumped)
ts = TransactionSerializer.new(tx_version, tx_type, self.tx_versioner)
tx = ts.from_(tx_dumped)
tv = TransactionVerifier.new(tx_version, tx_type, self.tx_versioner)
self.assertRaises(TransactionInvalidSignatureError,
lambda: tv.verify(tx))
self.assertRaises(TransactionInvalidSignatureError,
lambda: tv.pre_verify(tx, nid=3))
def new(cls, signer: Signer, timestamp: int, **kwargs):
rep_id: ExternalAddress = ExternalAddress.fromhex(signer.address)
hash_ = cls.to_hash(rep_id, timestamp, **kwargs)
signature = Signature(signer.sign_hash(hash_))
return cls(rep_id, timestamp, signature, **kwargs)
def sign(self):
if self.hash is None:
self.build_hash()
self.signature = Signature(self.signer.sign_hash(self.hash))
return self.signature