This repository has been archived by the owner on May 4, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 13
/
tests.py
149 lines (128 loc) · 5.38 KB
/
tests.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#!/usr/bin/python3
# Copyright (c) 2017 Pieter Wuille
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
"""Reference tests for segwit adresses"""
import binascii
import unittest
import bech32
def segwit_scriptpubkey(witver, witprog):
"""Construct a Segwit scriptPubKey for a given witness program."""
return bytes([witver + 0x50 if witver else 0, len(witprog)] + witprog)
VALID_CHECKSUM = [
"A12UEL5L",
"an83characterlonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1tt5tgs",
"abcdef1qpzry9x8gf2tvdw0s3jn54khce6mua7lmqqqxw",
"11qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqc8247j",
"split1checkupstagehandshakeupstreamerranterredcaperred2y9e3w",
]
INVALID_CHECKSUM = [
" 1nwldj5",
"\x7F" + "1axkwrx",
"an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx",
"pzry9x0s0muk",
"1pzry9x0s0muk",
"x1b4n0q5v",
"li1dgmt3",
"de1lg7wt\xff",
]
VALID_ADDRESS = [
[
"BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4",
"0014751e76e8199196d454941c45d1b3a323f1433bd6",
],
[
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7",
"00201863143c14c5166804bd19203356da136c985678cd4d27a1b8c6329604903262",
],
[
"bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx",
"5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6",
],
["BC1SW50QA3JX3S", "6002751e"],
["bc1zw508d6qejxtdg4y5r3zarvaryvg6kdaj", "5210751e76e8199196d454941c45d1b3a323"],
[
"tb1qqqqqp399et2xygdj5xreqhjjvcmzhxw4aywxecjdzew6hylgvsesrxh6hy",
"0020000000c4a5cad46221b2a187905e5266362b99d5e91c6ce24d165dab93e86433",
],
]
INVALID_ADDRESS = [
"tc1qw508d6qejxtdg4y5r3zarvary0c5xw7kg3g4ty",
"bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t5",
"BC13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2",
"bc1rw5uspcuh",
"bc10w508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7kw5rljs90",
"BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P",
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7",
"bc1zw508d6qejxtdg4y5r3zarvaryvqyzf3du",
"tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv",
"bc1gmk9yu",
]
INVALID_ADDRESS_ENC = [
("BC", 0, 20),
("bc", 0, 21),
("bc", 17, 32),
("bc", 1, 1),
("bc", 16, 41),
]
class TestSegwitAddress(unittest.TestCase):
"""Unit test class for segwit addressess."""
def test_valid_checksum(self):
"""Test checksum creation and validation."""
for test in VALID_CHECKSUM:
hrp, _ = bech32.bech32_decode(test)
self.assertIsNotNone(hrp)
pos = test.rfind("1")
test = test[: pos + 1] + chr(ord(test[pos + 1]) ^ 1) + test[pos + 2 :]
hrp, _ = bech32.bech32_decode(test)
self.assertIsNone(hrp)
def test_invalid_checksum(self):
"""Test validation of invalid checksums."""
for test in INVALID_CHECKSUM:
hrp, _ = bech32.bech32_decode(test)
self.assertIsNone(hrp)
def test_valid_address(self):
"""Test whether valid addresses decode to the correct output."""
for (address, hexscript) in VALID_ADDRESS:
hrp = "bc"
witver, witprog = bech32.decode(hrp, address)
if witver is None:
hrp = "tb"
witver, witprog = bech32.decode(hrp, address)
assert witver is not None
assert witprog is not None
self.assertIsNotNone(witver)
scriptpubkey = segwit_scriptpubkey(witver, witprog)
self.assertEqual(scriptpubkey, binascii.unhexlify(hexscript))
addr = bech32.encode(hrp, witver, witprog)
self.assertEqual(address.lower(), addr)
def test_invalid_address(self):
"""Test whether invalid addresses fail to decode."""
for test in INVALID_ADDRESS:
witver, _ = bech32.decode("bc", test)
self.assertIsNone(witver)
witver, _ = bech32.decode("tb", test)
self.assertIsNone(witver)
def test_invalid_address_enc(self):
"""Test whether address encoding fails on invalid input."""
for hrp, version, length in INVALID_ADDRESS_ENC:
code = bech32.encode(hrp, version, [0] * length)
self.assertIsNone(code)
if __name__ == "__main__":
unittest.main()