Ejemplo n.º 1
0
    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'
        )
Ejemplo n.º 2
0
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)
Ejemplo n.º 3
0
 def test_deserialize(self):
     for s in self.scripts:
         self.assertEqual(
             script.deserialize(s[0]),
             s[1]
         )