def test_utxo_entries():
k1 = Key(urandom(32), public=False)
k2 = Key(urandom(32), public=False)
tx1 = Tx([], [OutputTx(k1.id(), 100)])
tx2 = Tx([], [OutputTx(k2.id(), 150)])
tx3 = Tx([InputTx(tx1.id(), 0), InputTx(tx2.id(), 0)], [OutputTx(k1.id(), 250)])
assert len(tx3.get_utxo_in_keys()) == 2 # 2 inputs
assert len(tx3.get_utxo_out_entries()) == 1 # 1 outputs
def test_checks2():
k1 = Key(urandom(32), public=False)
k2 = Key(urandom(32), public=False)
tx1 = Tx([], [OutputTx(k1.id(), 100), OutputTx(k2.id(), 150)])
tx3 = Tx([InputTx(tx1.id(), 0), InputTx(tx1.id(), 1)], [OutputTx(k1.id(), 250)])
assert tx3.check_transaction([tx1.serialize(), tx1.serialize()],
[k1.export()[0], k2.export()[0]],
[k1.sign(tx3.id()), k2.sign(tx3.id())])
def test_utxo_checks():
k1 = Key(urandom(32), public=False)
k2 = Key(urandom(32), public=False)
tx1 = Tx([], [OutputTx(k1.id(), 100)])
tx2 = Tx([], [OutputTx(k2.id(), 150)])
tx3 = Tx([InputTx(tx1.id(), 0), InputTx(tx2.id(), 0)], [OutputTx(k1.id(), 250)])
assert tx3.check_transaction_utxo(
[(tx1.id(), 0, k1.id(), 100), (tx2.id(), 0, k2.id(), 150)],
[k1.export()[0], k2.export()[0]],
[k1.sign(tx3.id()), k2.sign(tx3.id())])
def test_checks_failures():
k1 = Key(urandom(32), public=False)
k2 = Key(urandom(32), public=False)
tx1 = Tx([], [OutputTx(k1.id(), 100)])
tx2 = Tx([], [OutputTx(k2.id(), 150)])
tx3 = Tx([InputTx(tx1.id(), 0), InputTx(tx2.id(), 0)], [OutputTx(k1.id(), 251)])
# Wrong value
assert not tx3.check_transaction([tx1.serialize(), tx2.serialize()],
[k1.export()[0], k2.export()[0]],
[k1.sign(tx3.id()), k2.sign(tx3.id())])
# Wrong signature
assert not tx3.check_transaction([tx1.serialize(), tx2.serialize()],
[k1.export()[0], k2.export()[0]],
[k2.sign(tx3.id()), k1.sign(tx3.id())])
def test_checks_timing():
params = []
for _ in range(100):
k1 = Key(urandom(32), public=False)
k2 = Key(urandom(32), public=False)
tx2 = Tx([], [OutputTx(k1.id(), 150)])
tx3 = Tx([InputTx(tx2.id(), 0)], [OutputTx(k1.id(), 100), OutputTx(k1.id(), 50)])
params += [(tx3.serialize(), ([tx2.serialize()],
[k1.export()[0]],
[k1.sign(tx3.id())]))]
t0 = timer()
for (tx3, par) in params:
assert Tx.parse(tx3).check_transaction(*par)
t1 = timer()
print "\nTx check rate: %2.2f / sec" % (1.0 / ((t1-t0)/100.0))
def test_utxo_check_issuing():
kIssue = Key(urandom(32), public=False)
pubIssue = kIssue.pub.export()
k1 = Key(urandom(32), public=False)
k1pub = k1.pub.export()
tx3 = Tx([], [OutputTx(k1.id(), 250)])
assert tx3.check_transaction_utxo([], [ pubIssue ],
[kIssue.sign(tx3.id())], masterkey = kIssue.id())
def test_Tx():
# Empty string
x = Tx([], [], R="A"*32)
assert hexlify(x.serialize())[:8] == "0" * 8
y = Tx([InputTx(urandom(32), 0)], [OutputTx(urandom(32), 100)], R="B"*32)
ser = y.serialize()
assert len(ser) == 4 + 32 + 4 + 32 + 8 + 32
z = Tx.parse(ser)
assert y == z
assert hexlify(y.serialize())[:8] == "01000100"
assert len(x.id()) == len(y.id()) == 32