def test_invalid_tx_out() -> None:
transaction_output = tx_out.TxOut(
value=-1, script_pubkey=bytes.fromhex("6a0b68656c6c6f20776f726c64"))
with pytest.raises(BTClibValueError, match="negative value: "):
transaction_output.assert_valid()
transaction_output = tx_out.TxOut(
value=tx_out.MAX_SATOSHI + 1,
script_pubkey=bytes.fromhex("6a0b68656c6c6f20776f726c64"),
)
with pytest.raises(BTClibValueError, match="value too high: "):
transaction_output.assert_valid()
def test_native_p2wsh_2():
transaction = tx.Tx.deserialize(
"0100000002e9b542c5176808107ff1df906f46bb1f2583b16112b95ee5380665ba7fcfc0010000000000ffffffff80e68831516392fcd100d186b3c2c7b95c80b53c77e77c35ba03a66b429a2a1b0000000000ffffffff0280969800000000001976a914de4b231626ef508c9a74a8517e6783c0546d6b2888ac80969800000000001976a9146648a8cd4531e1ec47f35916de8e259237294d1e88ac00000000"
)
transaction.vin[0].txinwitness = [
"0063ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac"
]
transaction.vin[1].txinwitness = [
"5163ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac"
]
previous_txout_1 = tx_out.TxOut(
nValue=16777215,
scriptPubKey=script.deserialize(
"0020ba468eea561b26301e4cf69fa34bde4ad60c81e70f059f045ca9a79931004a4d"
),
)
sighash = get_sighash(transaction, previous_txout_1, 0, 0x83)
assert (sighash.hex() ==
"e9071e75e25b8a1e298a72f0d2e9f4f95a0f5cdf86a533cda597eb402ed13b3a")
previous_txout_2 = tx.TxOut(
nValue=16777215,
scriptPubKey=script.deserialize(
"0020d9bbfbe56af7c4b7f960a70d7ea107156913d9e5a26b0a71429df5e097ca6537"
),
)
script_code = _get_witness_v0_scriptCodes(
script.deserialize(transaction.vin[1].txinwitness[-1]))[1]
sighash = segwit_v0_sighash(script_code, transaction, 1, 0x83,
previous_txout_2.nValue)
assert (sighash.hex() ==
"cd72f1f1a433ee9df816857fad88d8ebd97e09a75cd481583eb841c330275e54")
def test_wrapped_p2wsh():
transaction = tx.Tx.deserialize(
"010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84c138dbbd3c3ee41588ac00000000"
)
transaction.vin[0].txinwitness = [
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae"
]
previous_txout = tx_out.TxOut(
nValue=987654321,
scriptPubKey=script.deserialize(
"0020a16b5755f7f6f96dbd65f5f0d6ab9418b89af4b1f14a1bb8a09062c35f0dcb54"
),
)
assert (get_sighash(transaction, previous_txout, 0, 0x01).hex() ==
"185c0be5263dce5b4bb50a047973c1b6272bfbd0103a89444597dc40b248ee7c")
assert (get_sighash(transaction, previous_txout, 0, 0x02).hex() ==
"e9733bc60ea13c95c6527066bb975a2ff29a925e80aa14c213f686cbae5d2f36")
assert (get_sighash(transaction, previous_txout, 0, 0x03).hex() ==
"1e1f1c303dc025bd664acb72e583e933fae4cff9148bf78c157d1e8f78530aea")
assert (get_sighash(transaction, previous_txout, 0, 0x81).hex() ==
"2a67f03e63a6a422125878b40b82da593be8d4efaafe88ee528af6e5a9955c6e")
assert (get_sighash(transaction, previous_txout, 0, 0x82).hex() ==
"781ba15f3779d5542ce8ecb5c18716733a5ee42a6f51488ec96154934e2c890a")
assert (get_sighash(transaction, previous_txout, 0, 0x83).hex() ==
"511e8e52ed574121fc1b654970395502128263f62662e076dc6baf05c2e6a99b")
def test_invalid_tx_out() -> None:
transaction_output = tx_out.TxOut(
nValue=-1, scriptPubKey=bytes.fromhex("6a0b68656c6c6f20776f726c64"))
with pytest.raises(ValueError, match="negative nValue: "):
transaction_output.assert_valid()
transaction_output = tx_out.TxOut(
nValue=tx_out.MAX_SATOSHI + 1,
scriptPubKey=bytes.fromhex("6a0b68656c6c6f20776f726c64"),
)
with pytest.raises(ValueError, match="nValue too high: "):
transaction_output.assert_valid()
transaction_output = tx_out.TxOut(nValue=1, scriptPubKey=b"")
with pytest.raises(ValueError, match="empty scriptPubKey"):
transaction_output.assert_valid()
def test_native_p2wpkh():
transaction = tx.Tx.deserialize(
"0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad969f0000000000eeffffffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a9148280b37df378db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e4dbe6a21b2d50ce2f0167faa815988ac11000000"
)
previous_txout = tx_out.TxOut(
nValue=600000000,
scriptPubKey=script.deserialize(
"00141d0f172a0ecb48aee1be1f2687d2963ae33f71a1"),
)
sighash = get_sighash(transaction, previous_txout, 1, 0x01)
assert (sighash.hex() ==
"c37af31116d1b27caf68aae9e3ac82f1477929014d5b917657d0eb49478cb670")
def test_wrapped_p2wpkh():
transaction = tx.Tx.deserialize(
"0100000001db6b1b20aa0fd7b23880be2ecbd4a98130974cf4748fb66092ac4d3ceb1a54770100000000feffffff02b8b4eb0b000000001976a914a457b684d7f0d539a46a45bbc043f35b59d0d96388ac0008af2f000000001976a914fd270b1ee6abcaea97fea7ad0402e8bd8ad6d77c88ac92040000"
)
transaction.vin[0].scriptSig = script.deserialize(
"001479091972186c449eb1ded22b78e40d009bdf0089")
previous_txout = tx_out.TxOut(
nValue=1000000000,
scriptPubKey=script.deserialize(
"a9144733f37cf4db86fbc2efed2500b4f4e49f31202387"),
)
sighash = get_sighash(transaction, previous_txout, 0, 0x01)
assert (sighash.hex() ==
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6")
def test_invalid_tx_out3() -> None:
transaction_output = tx_out.TxOut(nValue=1, scriptPubKey=[])
with pytest.raises(ValueError):
transaction_output.assert_valid()
def test_invalid_tx_out2() -> None:
transaction_output = tx_out.TxOut(nValue=2099999997690001,
scriptPubKey=["OP_RETURN"])
with pytest.raises(ValueError):
transaction_output.assert_valid()