def test_parse(self):
self.assertEqual(
script.parse_p2pkh(script.deserialize(b'v\xa9\x14\xf5\x8e:\xac\xc8BO\x04)\\\x14\xacfu\x11\x8b\x7f\n8\r\x88\xac')),
b'\xf5\x8e:\xac\xc8BO\x04)\\\x14\xacfu\x11\x8b\x7f\n8\r'
)
self.assertEqual(
script.parse_p2sh(script.deserialize(b'\xa9\x14\xf5\x8e:\xac\xc8BO\x04)\\\x14\xacfu\x11\x8b\x7f\n8\r\x87')),
b'\xf5\x8e:\xac\xc8BO\x04)\\\x14\xacfu\x11\x8b\x7f\n8\r'
)
self.assertEqual(
script.parse_data(script.deserialize(b'j\x14g\x8b\xe5\xdc\x96m\x10\xed\xf1\xaf\xe6\xf9\x1e\xce\x8b\xd8Gt\xad3')),
b'g\x8b\xe5\xdc\x96m\x10\xed\xf1\xaf\xe6\xf9\x1e\xce\x8b\xd8Gt\xad3'
)
def sighash(tx, i, prevScript, hashtype = SIGHASH_ALL):
assert isinstance(tx, dict)
i = int(i)
newtx = copy.deepcopy(tx)
for inp in newtx["ins"]:
inp["script"] = b''
s = script.deserialize(prevScript)
s = [x for x in s if x is not script.Opcode.OP_CODESEPARATOR]
newtx["ins"][i]["script"] = script.serialize(s)
if hashtype & 0x1f == SIGHASH_NONE:
newtx["outs"] = []
for inp in range(len(newtx['ins'])):
if inp != i:
newtx['ins'][inp]['sequence'] = 0
elif hashtype & 0x1f == SIGHASH_SINGLE:
newtx["outs"] = newtx["outs"][:i+1]
for out in range(i):
newtx["outs"][out]['value'] = 2**64 - 1
newtx["outs"][out]['script'] = b''
for inp in range(len(newtx['ins'])):
if inp != i:
newtx['ins'][inp]['sequence'] = 0
if hashtype & SIGHASH_ANYONECANPAY != 0:
newtx["ins"] = [newtx["ins"][i]]
hashbytes = convert.int_to_bytes_le(hashtype, 4)
return hashes.hash256(serialize(newtx) + hashbytes)
def test_deserialize(self):
for s in self.scripts:
self.assertEqual(
script.deserialize(s[0]),
s[1]
)
