def test_native_p2wsh():
transaction = Tx.deserialize(
"0100000002fe3dc9208094f3ffd12645477b3dc56f60ec4fa8e6f5d67c565d1c6b9216b36e0000000000ffffffff0815cf020f013ed6cf91d29f4202e8a58726b1ac6c79da47c23d1bee0a6925f80000000000ffffffff0100f2052a010000001976a914a30741f8145e5acadf23f751864167f32e0963f788ac00000000"
)
transaction.vin[1].txinwitness = [
bytes.fromhex(
"21026dccc749adc2a9d0d89497ac511f760f45c47dc5ed9cf352a58ac706453880aeadab210255a9626aebf5e29c0e6538428ba0d1dcf6ca98ffdf086aa8ced5e0d0215ea465ac"
)
]
previous_txout = TxOut(
value=4900000000,
script_pubkey=bytes.fromhex(
"00205d1b56b63d714eebe542309525f484b7e9d6f686b3781b6f61ef925d66d6f6a0"
),
)
sighash = get_sighash(transaction, previous_txout, 1, 0x03)
assert (sighash.hex() ==
"82dde6e4f1e94d02c2b7ad03d2115d691f48d064e9d52f58194a6637e4194391")
script_code = _get_witness_v0_script_codes(
transaction.vin[1].txinwitness[-1])[1]
sighash = segwit_v0(script_code, transaction, 1, 0x03,
previous_txout.value)
assert (sighash.hex() ==
"fef7bd749cce710c5c052bd796df1af0d935e59cea63736268bcbe2d2134fc47")
def test_wrapped_p2wsh():
transaction = Tx.deserialize(
"010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84c138dbbd3c3ee41588ac00000000"
)
transaction.vin[0].txinwitness = [
bytes.fromhex(
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae"
)
]
previous_txout = TxOut(
value=987654321,
script_pubkey=bytes.fromhex(
"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 deserialize(cls, data):
stream = bytesio_from_binarydata(data)
blockhash = stream.read(32)[::-1].hex()
num_transactions = varint.decode(stream)
transactions = []
for x in range(num_transactions):
transactions.append(TxData.deserialize(stream))
return cls(blockhash=blockhash, transactions=transactions)
def test_sighash_json():
fname = "sighash_legacy.json"
filename = path.join(path.dirname(__file__), "test_data", fname)
with open(filename, "r") as file_:
data = json.load(file_)
data = data[1:] # skip column headers
for raw_transaction, raw_script, input_index, hashType, sighash in data:
script_code = _get_legacy_script_codes(raw_script)[0]
tx = Tx.deserialize(raw_transaction)
if hashType < 0:
hashType = 0xFFFFFFFF + 1 + hashType
actual_sighash = legacy(script_code, tx, input_index, hashType)
expected_sighash = bytes.fromhex(sighash)[::-1]
assert expected_sighash == actual_sighash
def test_native_p2wpkh():
transaction = Tx.deserialize(
"0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad969f0000000000eeffffffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a9148280b37df378db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e4dbe6a21b2d50ce2f0167faa815988ac11000000"
)
previous_txout = TxOut(
value=600000000,
script_pubkey=bytes.fromhex(
"00141d0f172a0ecb48aee1be1f2687d2963ae33f71a1"),
)
sighash = get_sighash(transaction, previous_txout, 1, 0x01)
assert (sighash.hex() ==
"c37af31116d1b27caf68aae9e3ac82f1477929014d5b917657d0eb49478cb670")
def test_wrapped_p2wpkh():
transaction = Tx.deserialize(
"0100000001db6b1b20aa0fd7b23880be2ecbd4a98130974cf4748fb66092ac4d3ceb1a54770100000000feffffff02b8b4eb0b000000001976a914a457b684d7f0d539a46a45bbc043f35b59d0d96388ac0008af2f000000001976a914fd270b1ee6abcaea97fea7ad0402e8bd8ad6d77c88ac92040000"
)
transaction.vin[0].script_sig = bytes.fromhex(
"001479091972186c449eb1ded22b78e40d009bdf0089")
previous_txout = TxOut(
value=1000000000,
script_pubkey=bytes.fromhex(
"a9144733f37cf4db86fbc2efed2500b4f4e49f31202387"),
)
sighash = get_sighash(transaction, previous_txout, 0, 0x01)
assert (sighash.hex() ==
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6")
def test_first_transaction():
transaction = Tx.deserialize(
"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"
)
previous_txout = TxOut(
value=5000000000,
script_pubkey=bytes.fromhex(
"410411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3ac"
),
)
sighash = get_sighash(transaction, previous_txout, 0, 0x01)
assert (sighash.hex() ==
"7a05c6145f10101e9d6325494245adf1297d80f8f38d4d576d57cdba220bcb19")
pubkey = "0411db93e1dcdb8a016b49840f8c53bc1eb68a382e97b1482ecad7b148a6909a5cb2e0eaddfb84ccf9744464f82e160bfa9b8b64f9d4c03f999b8643f656b412a3"
signature = "304402204E45E16932B8AF514961A1D3A1A25FDF3F4F7732E9D624C6C61548AB5FB8CD410220181522EC8ECA07DE4860A4ACDD12909D831CC56CBBAC4622082221A8768D1D0901"
assert dsa._verify(sighash, bytes.fromhex(pubkey),
bytes.fromhex(signature)[:-1])
def test_sighashsingle_bug():
pubkey = "02D5C25ADB51B61339D2B05315791E21BBE80EA470A49DB0135720983C905AACE0"
signature = "3045022100C9CDD08798A28AF9D1BAF44A6C77BCC7E279F47DC487C8C899911BC48FEAFFCC0220503C5C50AE3998A733263C5C0F7061B483E2B56C4C41B456E7D2F5A78A74C07703"
script_pubkey = script.serialize([
"OP_DUP",
"OP_HASH160",
"5b6462475454710f3c22f5fdf0b40704c92f25c3",
"OP_EQUALVERIFY",
"OP_CHECKSIGVERIFY",
1,
])
previous_txout = TxOut(0, script_pubkey)
tx = Tx.deserialize(
"01000000020002000000000000000000000000000000000000000000000000000000000000000000000151ffffffff0001000000000000000000000000000000000000000000000000000000000000000000006b483045022100c9cdd08798a28af9d1baf44a6c77bcc7e279f47dc487c8c899911bc48feaffcc0220503c5c50ae3998a733263c5c0f7061b483e2b56c4c41b456e7d2f5a78a74c077032102d5c25adb51b61339d2b05315791e21bbe80ea470a49db0135720983c905aace0ffffffff010000000000000000015100000000"
)
sighash = get_sighash(tx, previous_txout, 1, 0x03)
assert dsa._verify(sighash, bytes.fromhex(pubkey),
bytes.fromhex(signature)[:-1])
def deserialize(cls, data):
stream = bytesio_from_binarydata(data)
header = BlockHeader.deserialize(stream)
nonce = int.from_bytes(stream.read(8), "little")
short_ids = []
short_ids_length = varint.decode(stream)
for x in range(short_ids_length):
short_ids.append(stream.read(6)[::-1].hex())
prefilled_tx_list = []
prefilled_tx_num = varint.decode(stream)
for x in range(prefilled_tx_num):
tx_index = varint.decode(stream)
tx = Tx.deserialize(stream)
prefilled_tx_list.append((tx_index, tx))
return cls(
header=header,
nonce=nonce,
short_ids=short_ids,
prefilled_tx_list=prefilled_tx_list,
)
def test_native_p2wsh_2():
transaction = Tx.deserialize(
"0100000002e9b542c5176808107ff1df906f46bb1f2583b16112b95ee5380665ba7fcfc0010000000000ffffffff80e68831516392fcd100d186b3c2c7b95c80b53c77e77c35ba03a66b429a2a1b0000000000ffffffff0280969800000000001976a914de4b231626ef508c9a74a8517e6783c0546d6b2888ac80969800000000001976a9146648a8cd4531e1ec47f35916de8e259237294d1e88ac00000000"
)
transaction.vin[0].txinwitness = [
bytes.fromhex(
"0063ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac"
)
]
transaction.vin[1].txinwitness = [
bytes.fromhex(
"5163ab68210392972e2eb617b2388771abe27235fd5ac44af8e61693261550447a4c3e39da98ac"
)
]
previous_txout_1 = TxOut(
value=16777215,
script_pubkey=bytes.fromhex(
"0020ba468eea561b26301e4cf69fa34bde4ad60c81e70f059f045ca9a79931004a4d"
),
)
sighash = get_sighash(transaction, previous_txout_1, 0, 0x83)
assert (sighash.hex() ==
"e9071e75e25b8a1e298a72f0d2e9f4f95a0f5cdf86a533cda597eb402ed13b3a")
previous_txout_2 = TxOut(
value=16777215,
script_pubkey=bytes.fromhex(
"0020d9bbfbe56af7c4b7f960a70d7ea107156913d9e5a26b0a71429df5e097ca6537"
),
)
script_code = _get_witness_v0_script_codes(
transaction.vin[1].txinwitness[-1])[1]
sighash = segwit_v0(script_code, transaction, 1, 0x83,
previous_txout_2.value)
assert (sighash.hex() ==
"cd72f1f1a433ee9df816857fad88d8ebd97e09a75cd481583eb841c330275e54")
def deserialize(cls, data):
tx = TxData.deserialize(data)
return cls(tx)