def test_deliver_tx__double_spend_fails(b):
from bigchaindb.tendermint import App
from bigchaindb.models import Transaction
from bigchaindb.common.crypto import generate_key_pair
alice = generate_key_pair()
bob = generate_key_pair()
tx = Transaction.create([alice.public_key],
[([bob.public_key], 1)])\
.sign([alice.private_key])
app = App(b)
app.init_chain(['ignore'])
begin_block = RequestBeginBlock()
app.begin_block(begin_block)
result = app.deliver_tx(encode_tx_to_bytes(tx))
assert result.is_ok()
app.end_block(99)
app.commit()
assert b.get_transaction(tx.id).id == tx.id
result = app.deliver_tx(encode_tx_to_bytes(tx))
assert result.is_error()
def test_deliver_tx__valid_create_updates_db(b):
from bigchaindb.tendermint import App
from bigchaindb.models import Transaction
from bigchaindb.common.crypto import generate_key_pair
alice = generate_key_pair()
bob = generate_key_pair()
tx = Transaction.create([alice.public_key],
[([bob.public_key], 1)])\
.sign([alice.private_key])
app = App(b)
begin_block = RequestBeginBlock()
app.init_chain(['ignore'])
app.begin_block(begin_block)
result = app.deliver_tx(encode_tx_to_bytes(tx))
assert result.code == CodeTypeOk
app.end_block(RequestEndBlock(height=99))
app.commit()
assert b.get_transaction(tx.id).id == tx.id