def test_valid_block_voting_with_create_transaction(b, genesis_block,
monkeypatch):
from bigchaindb.backend import query
from bigchaindb.common import crypto, utils
from bigchaindb.models import Transaction
from bigchaindb.pipelines import vote
# create a `CREATE` transaction
test_user_priv, test_user_pub = crypto.generate_key_pair()
tx = Transaction.create([b.me], [([test_user_pub], 1)])
tx = tx.sign([b.me_private])
monkeypatch.setattr('time.time', lambda: 1111111111)
block = b.create_block([tx])
block_dict = decouple_assets(b, block)
inpipe = Pipe()
outpipe = Pipe()
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
inpipe.put(block_dict)
vote_pipeline.start()
vote_out = outpipe.get()
vote_pipeline.terminate()
vote_rs = query.get_votes_by_block_id_and_voter(b.connection, block.id,
b.me)
vote_doc = vote_rs.next()
assert vote_out['vote'] == vote_doc['vote']
assert vote_doc['vote'] == {
'voting_for_block': block.id,
'previous_block': genesis_block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '1111111111'
}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote,
vote_doc['signature']) is True
def test_invalid_content_in_tx_in_block_voting(monkeypatch, b, user_pk,
genesis_block):
from bigchaindb.backend import query
from bigchaindb.common import crypto, utils
from bigchaindb.models import Transaction
from bigchaindb.pipelines import vote
inpipe = Pipe()
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
# NOTE: `tx` is invalid, because its content is not corresponding to its id
tx = Transaction.create([b.me], [([b.me], 1)])
tx = tx.sign([b.me_private])
block = b.create_block([tx]).to_dict()
block['block']['transactions'][0]['id'] = 'an invalid tx id'
inpipe.put(block)
vote_pipeline.start()
vote_out = outpipe.get()
vote_pipeline.terminate()
vote_rs = query.get_votes_by_block_id_and_voter(b.connection, block['id'],
b.me)
vote_doc = vote_rs.next()
assert vote_out['vote'] == vote_doc['vote']
assert vote_doc['vote'] == {
'voting_for_block': block['id'],
'previous_block': genesis_block.id,
'is_block_valid': False,
'invalid_reason': None,
'timestamp': '1111111111'
}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote,
vote_doc['signature']) is True
def test_voter_checks_for_previous_vote(monkeypatch, b):
from bigchaindb.backend import query
from bigchaindb.pipelines import vote
inpipe = Pipe()
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1000000000)
monkeypatch.setattr('time.time', lambda: 1000000020)
block_1 = dummy_block(b)
inpipe.put(block_1.to_dict())
assert len(list(query.get_votes_by_block_id(b.connection,
block_1.id))) == 0
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
vote_pipeline.start()
# wait for the result
outpipe.get()
# queue block for voting AGAIN
monkeypatch.setattr('time.time', lambda: 1000000030)
inpipe.put(block_1.to_dict())
# queue another block
monkeypatch.setattr('time.time', lambda: 1000000040)
block_2 = dummy_block(b)
inpipe.put(block_2.to_dict())
# wait for the result of the new block
outpipe.get()
vote_pipeline.terminate()
assert len(list(query.get_votes_by_block_id(b.connection,
block_1.id))) == 1
assert len(list(query.get_votes_by_block_id(b.connection,
block_2.id))) == 1
def test_invalid_block_voting(monkeypatch, b, user_pk, genesis_block):
from bigchaindb.backend import query
from bigchaindb.common import crypto, utils
from bigchaindb.pipelines import vote
inpipe = Pipe()
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
block = dummy_block(b).to_dict()
block['block']['id'] = 'this-is-not-a-valid-hash'
inpipe.put(block)
vote_pipeline.start()
vote_out = outpipe.get()
vote_pipeline.terminate()
vote_rs = query.get_votes_by_block_id_and_voter(b.connection, block['id'],
b.me)
vote_doc = vote_rs.next()
assert vote_out['vote'] == vote_doc['vote']
assert vote_doc['vote'] == {
'voting_for_block': block['id'],
'previous_block': genesis_block.id,
'is_block_valid': False,
'invalid_reason': None,
'timestamp': '1111111111'
}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote,
vote_doc['signature']) is True
def test_valid_block_voting_multiprocessing(b, genesis_block, monkeypatch):
from bigchaindb.backend import query
from bigchaindb.common import crypto, utils
from bigchaindb.pipelines import vote
inpipe = Pipe()
outpipe = Pipe()
monkeypatch.setattr('time.time', lambda: 1111111111)
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
block = dummy_block(b)
block_dict = decouple_assets(b, block)
inpipe.put(block_dict)
vote_pipeline.start()
vote_out = outpipe.get()
vote_pipeline.terminate()
vote_rs = query.get_votes_by_block_id_and_voter(b.connection, block.id,
b.me)
vote_doc = vote_rs.next()
assert vote_out['vote'] == vote_doc['vote']
assert vote_doc['vote'] == {
'voting_for_block': block.id,
'previous_block': genesis_block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '1111111111'
}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote,
vote_doc['signature']) is True
def test_valid_block_voting_with_transfer_transactions(monkeypatch, b,
genesis_block):
from bigchaindb.backend import query
from bigchaindb.common import crypto, utils
from bigchaindb.models import Transaction
from bigchaindb.pipelines import vote
# create a `CREATE` transaction
test_user_priv, test_user_pub = crypto.generate_key_pair()
tx = Transaction.create([b.me], [([test_user_pub], 1)])
tx = tx.sign([b.me_private])
monkeypatch.setattr('time.time', lambda: 1000000000)
block = b.create_block([tx])
b.write_block(block)
# create a `TRANSFER` transaction
test_user2_priv, test_user2_pub = crypto.generate_key_pair()
tx2 = Transaction.transfer(tx.to_inputs(), [([test_user2_pub], 1)],
asset_id=tx.id)
tx2 = tx2.sign([test_user_priv])
monkeypatch.setattr('time.time', lambda: 2000000000)
block2 = b.create_block([tx2])
b.write_block(block2)
inpipe = Pipe()
outpipe = Pipe()
vote_pipeline = vote.create_pipeline()
vote_pipeline.setup(indata=inpipe, outdata=outpipe)
vote_pipeline.start()
inpipe.put(block.to_dict())
time.sleep(1)
inpipe.put(block2.to_dict())
vote_out = outpipe.get()
vote2_out = outpipe.get()
vote_pipeline.terminate()
vote_rs = query.get_votes_by_block_id_and_voter(b.connection, block.id,
b.me)
vote_doc = vote_rs.next()
assert vote_out['vote'] == vote_doc['vote']
assert vote_doc['vote'] == {
'voting_for_block': block.id,
'previous_block': genesis_block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '2000000000'
}
serialized_vote = utils.serialize(vote_doc['vote']).encode()
assert vote_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote,
vote_doc['signature']) is True
vote2_rs = query.get_votes_by_block_id_and_voter(b.connection, block2.id,
b.me)
vote2_doc = vote2_rs.next()
assert vote2_out['vote'] == vote2_doc['vote']
assert vote2_doc['vote'] == {
'voting_for_block': block2.id,
'previous_block': block.id,
'is_block_valid': True,
'invalid_reason': None,
'timestamp': '2000000000'
}
serialized_vote2 = utils.serialize(vote2_doc['vote']).encode()
assert vote2_doc['node_pubkey'] == b.me
assert crypto.PublicKey(b.me).verify(serialized_vote2,
vote2_doc['signature']) is True