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author10xcryptodev <10xcryptodev@gmail.com>2020-05-19 22:00:26 -0300
committer10xcryptodev <10xcryptodev@gmail.com>2020-05-20 18:56:08 -0300
commit60ed33904cf974e8f3c1b95392a23db1fe2d4a98 (patch)
treefc17b99381ac4d8def3ed42ff725b0990eec4515 /test/functional/test_framework
parentaa8d76806c74a51ec66e5004394fe9ea8ff0fac4 (diff)
tests: implement base58_decode
Diffstat (limited to 'test/functional/test_framework')
-rw-r--r--test/functional/test_framework/address.py49
1 files changed, 48 insertions, 1 deletions
diff --git a/test/functional/test_framework/address.py b/test/functional/test_framework/address.py
index 8f410f233e..9506b63f82 100644
--- a/test/functional/test_framework/address.py
+++ b/test/functional/test_framework/address.py
@@ -5,12 +5,15 @@
"""Encode and decode BASE58, P2PKH and P2SH addresses."""
import enum
+import unittest
from .script import hash256, hash160, sha256, CScript, OP_0
from .util import hex_str_to_bytes
from . import segwit_addr
+from test_framework.util import assert_equal
+
ADDRESS_BCRT1_UNSPENDABLE = 'bcrt1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq3xueyj'
ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR = 'addr(bcrt1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq3xueyj)#juyq9d97'
# Coins sent to this address can be spent with a witness stack of just OP_TRUE
@@ -41,7 +44,32 @@ def byte_to_base58(b, version):
str = str[2:]
return result
-# TODO: def base58_decode
+
+def base58_to_byte(s, verify_checksum=True):
+ if not s:
+ return b''
+ n = 0
+ for c in s:
+ n *= 58
+ assert c in chars
+ digit = chars.index(c)
+ n += digit
+ h = '%x' % n
+ if len(h) % 2:
+ h = '0' + h
+ res = n.to_bytes((n.bit_length() + 7) // 8, 'big')
+ pad = 0
+ for c in s:
+ if c == chars[0]:
+ pad += 1
+ else:
+ break
+ res = b'\x00' * pad + res
+ if verify_checksum:
+ assert_equal(hash256(res[:-4])[:4], res[-4:])
+
+ return res[1:-4], int(res[0])
+
def keyhash_to_p2pkh(hash, main = False):
assert len(hash) == 20
@@ -100,3 +128,22 @@ def check_script(script):
if (type(script) is bytes or type(script) is CScript):
return script
assert False
+
+
+class TestFrameworkScript(unittest.TestCase):
+ def test_base58encodedecode(self):
+ def check_base58(data, version):
+ self.assertEqual(base58_to_byte(byte_to_base58(data, version)), (data, version))
+
+ check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 111)
+ check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 111)
+ check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
+ check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
+ check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
+ check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 111)
+ check_base58(b'\x1f\x8e\xa1p*{\xd4\x94\x1b\xca\tA\xb8R\xc4\xbb\xfe\xdb.\x05', 0)
+ check_base58(b':\x0b\x05\xf4\xd7\xf6l;\xa7\x00\x9fE50)l\x84\\\xc9\xcf', 0)
+ check_base58(b'A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
+ check_base58(b'\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
+ check_base58(b'\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)
+ check_base58(b'\0\0\0A\xc1\xea\xf1\x11\x80%Y\xba\xd6\x1b`\xd6+\x1f\x89|c\x92\x8a', 0)