def test_immutable_tx_creation_with_mutable_parts_specified(self):
tx = CTransaction(
vin=[CMutableTxIn(prevout=COutPoint(hash=b'a' * 32, n=0))],
vout=[CMutableTxOut(nValue=1)],
witness=CMutableTxWitness(
[CMutableTxInWitness(CScriptWitness([CScript([0])]))]))
def check_immutable_parts(tx):
self.assertTrue(tx.vin[0].is_immutable())
self.assertTrue(tx.vin[0].is_immutable())
self.assertTrue(tx.vout[0].is_immutable())
self.assertTrue(tx.wit.is_immutable())
self.assertTrue(tx.wit.vtxinwit[0].is_immutable())
check_immutable_parts(tx)
# Test that if we deserialize with CTransaction,
# all the parts are immutable
tx = CTransaction.deserialize(tx.serialize())
check_immutable_parts(tx)
# Test some parts separately, because when created via
# CMutableTransaction instantiation, they are created with from_*
# methods, and not directly
txin = CTxIn(prevout=CMutableOutPoint(hash=b'a' * 32, n=0))
self.assertTrue(txin.prevout.is_immutable())
wit = CTxWitness((CMutableTxInWitness(), ))
self.assertTrue(wit.vtxinwit[0].is_immutable())
def test_repr(self):
def T(txout, expected):
actual = repr(txout)
self.assertEqual(actual, expected)
T(
CMutableTxWitness([CTxInWitness(CScriptWitness([1]))]),
"CBitcoinMutableTxWitness([CBitcoinMutableTxInWitness(CScriptWitness([x('01')]))])"
)
def test_repr(self) -> None:
def T(txwitness: CTxWitness, expected: str) -> None:
actual = repr(txwitness)
self.assertEqual(actual, expected)
T(
CMutableTxWitness([CTxInWitness(CScriptWitness([1]))]),
"CBitcoinMutableTxWitness([CBitcoinMutableTxInWitness(CScriptWitness([x('01')]))])"
)
def test_clone(self):
wit = CMutableTxWitness([CTxInWitness(CScriptWitness([1]))])
self.assertEqual(wit.serialize(), wit.clone().serialize())