def test_dataclasses_json_dict() -> None:
fname = "d4f3c2c3c218be868c77ae31bedb497e2f908d6ee5bbbe91e4933e6da680c970.bin"
filename = path.join(path.dirname(__file__), "_data", fname)
with open(filename, "rb") as binary_file_:
temp = Tx.parse(binary_file_.read())
tx_in = temp.vin[0]
# TxIn dataclass
assert isinstance(tx_in, TxIn)
# TxIn dataclass to dict
tx_in_dict = tx_in.to_dict()
assert isinstance(tx_in_dict, dict)
# TxIn dataclass dict to file
datadir = path.join(path.dirname(__file__), "_generated_files")
filename = path.join(datadir, "tx_in.json")
with open(filename, "w") as file_:
json.dump(tx_in_dict, file_, indent=4)
# TxIn dataclass dict from file
with open(filename, "r") as file_:
tx_dict2 = json.load(file_)
assert isinstance(tx_dict2, dict)
assert tx_in_dict == tx_dict2
# TxIn dataclass from dict
tx_in2 = TxIn.from_dict(tx_in_dict)
assert isinstance(tx_in2, TxIn)
assert tx_in == tx_in2
def from_dict(cls: Type["Tx"],
dict_: Mapping[str, Any],
check_validity: bool = True) -> "Tx":
return cls(
dict_["version"],
dict_["locktime"],
[TxIn.from_dict(tx_in, False) for tx_in in dict_["vin"]],
[TxOut.from_dict(tx_out, False) for tx_out in dict_["vout"]],
check_validity,
)
def test_tx_in() -> None:
tx_in = TxIn()
assert tx_in.prev_out == OutPoint()
assert tx_in.script_sig == b""
assert tx_in.sequence == 0
assert tx_in.outpoint == tx_in.prev_out
assert tx_in.scriptSig == tx_in.script_sig
assert tx_in.nSequence == tx_in.nSequence
assert tx_in.is_coinbase()
assert not tx_in.is_segwit()
tx_in2 = TxIn.parse(tx_in.serialize())
assert not tx_in2.is_segwit()
assert tx_in == tx_in2
tx_in2 = TxIn.from_dict(tx_in.to_dict())
assert not tx_in2.is_segwit()
assert tx_in == tx_in2
tx_id = "d5b5982254eebca64e4b42a3092a10bfb76ab430455b2bf0cf7c4f7f32db1c2e"
vout = 0
prev_out = OutPoint(tx_id, vout)
script_sig = b""
sequence = 0
tx_in = TxIn(prev_out, script_sig, sequence)
assert tx_in.prev_out == prev_out
assert tx_in.script_sig == script_sig
assert tx_in.sequence == sequence
assert tx_in.outpoint == tx_in.prev_out
assert tx_in.scriptSig == tx_in.script_sig
assert tx_in.nSequence == tx_in.nSequence
assert not tx_in.is_coinbase()
assert not tx_in.is_segwit()
tx_in2 = TxIn.parse(tx_in.serialize())
assert not tx_in2.is_segwit()
assert tx_in == tx_in2
tx_in2 = TxIn.from_dict(tx_in.to_dict())
assert not tx_in2.is_segwit()
assert tx_in == tx_in2
prev_out = OutPoint(
"9dcfdb5836ecfe146bdaa896605ba21222f83cd014dd47adde14fab2aba7de9b", 1
)
script_sig = b""
sequence = 0xFFFFFFFF
tx_in = TxIn(prev_out, script_sig, sequence)
stack = [
"",
"30440220421fbbedf2ee096d6289b99973509809d5e09589040d5e0d453133dd11b2f78a02205686dbdb57e0c44e49421e9400dd4e931f1655332e8d078260c9295ba959e05d01",
"30440220398f141917e4525d3e9e0d1c6482cb19ca3188dc5516a3a5ac29a0f4017212d902204ea405fae3a58b1fc30c5ad8ac70a76ab4f4d876e8af706a6a7b4cd6fa100f4401",
"52210375e00eb72e29da82b89367947f29ef34afb75e8654f6ea368e0acdfd92976b7c2103a1b26313f430c4b15bb1fdce663207659d8cac749a0e53d70eff01874496feff2103c96d495bfdd5ba4145e3e046fee45e84a8a48ad05bd8dbb395c011a32cf9f88053ae",
]
tx_in.script_witness = Witness(stack)
assert tx_in.prev_out == prev_out
assert tx_in.script_sig == script_sig
assert tx_in.sequence == sequence
assert tx_in.outpoint == tx_in.prev_out
assert tx_in.scriptSig == tx_in.script_sig
assert tx_in.nSequence == tx_in.nSequence
assert not tx_in.is_coinbase()
assert tx_in.is_segwit()
tx_in2 = TxIn.parse(tx_in.serialize())
assert not tx_in2.is_segwit()
assert tx_in == tx_in2 or TX_IN_COMPARES_WITNESS
tx_in2 = TxIn.from_dict(tx_in.to_dict())
assert tx_in2.is_segwit()
assert tx_in == tx_in2
assert tx_in != OutPoint()
tx_in.sequence = 0xFFFFFFFF + 1
with pytest.raises(BTClibValueError, match="invalid sequence: "):
tx_in.assert_valid()