def test_immutable(self): tx = CTransaction() self.assertFalse(tx.is_coinbase()) with self.assertRaises(AttributeError): tx.nVersion = 2 with self.assertRaises(AttributeError): tx.vin.append(CTxIn()) mtx = tx.to_mutable() mtx.nVersion = 2 mtx.vin.append(CTxIn()) itx = tx.to_immutable() with self.assertRaises(AttributeError): itx.nVersion = 2 with self.assertRaises(AttributeError): itx.vin.append(CTxIn())
def test_immutable(self) -> None: tx = CTransaction() self.assertFalse(tx.is_coinbase()) # check that immutable property holds with self.assertRaises(AttributeError): tx.nVersion = 2 # type: ignore with self.assertRaises(AttributeError): tx.vin.append(CTxIn()) # type: ignore mtx = tx.to_mutable() mtx.nVersion = 2 mtx.vin.append(CMutableTxIn()) itx = tx.to_immutable() with self.assertRaises(AttributeError): itx.nVersion = 2 # type: ignore with self.assertRaises(AttributeError): itx.vin.append(CTxIn()) # type: ignore