tMerge pull request #731 from chrisglass/refactor-tests - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit ca88db996b6e2075d7b06c0d69843e1bbeae2307
DIR parent 6f74a1c15b0f9768347e6a5314107d402ace6a8d
HTML Author: ThomasV <thomasv1@gmx.de>
Date: Wed, 25 Jun 2014 10:49:00 +0200
Merge pull request #731 from chrisglass/refactor-tests
Refactored tests, wrote tests, added CI config file.
Diffstat:
M .gitignore | 1 +
A .travis.yaml | 5 +++++
M lib/bitcoin.py | 168 ++++++++-----------------------
A lib/tests/__init__.py | 0
A lib/tests/test_bitcoin.py | 115 +++++++++++++++++++++++++++++++
5 files changed, 165 insertions(+), 124 deletions(-)
---
DIR diff --git a/.gitignore b/.gitignore
t@@ -12,3 +12,4 @@ Electrum.egg-info/
gui/qt/icons_rc.py
locale/
.devlocaltmp/
+*_trial_temp
DIR diff --git a/.travis.yaml b/.travis.yaml
t@@ -0,0 +1,5 @@
+language: python
+python:
+ - "2.7"
+install: "pip install slowaes ecdsa>=0.9 pbkdf2 requests pyasn1 pyasn1-modules tlslite>=0.4.5 qrcode"
+script: nosetests lib
DIR diff --git a/lib/bitcoin.py b/lib/bitcoin.py
t@@ -23,6 +23,8 @@ import re
import sys
import hmac
+from util import print_error
+from version import SEED_PREFIX
try:
import ecdsa
t@@ -34,21 +36,16 @@ try:
except ImportError:
sys.exit("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
-try:
- import pbkdf2
-except ImportError:
- sys.exit("Error: pbkdf2 does not seem to be installed. Try 'sudo pip install pbkdf2'")
-
-
-
-from util import print_error
+################################## transactions
+MIN_RELAY_TX_FEE = 1000
# AES encryption
EncodeAES = lambda secret, s: base64.b64encode(aes.encryptData(secret,s))
DecodeAES = lambda secret, e: aes.decryptData(secret, base64.b64decode(e))
+
def pw_encode(s, password):
if password:
secret = Hash(password)
t@@ -56,6 +53,7 @@ def pw_encode(s, password):
else:
return s
+
def pw_decode(s, password):
if password is not None:
secret = Hash(password)
t@@ -68,17 +66,16 @@ def pw_decode(s, password):
return s
-
-
-
def rev_hex(s):
return s.decode('hex')[::-1].encode('hex')
+
def int_to_hex(i, length=1):
s = hex(i)[2:].rstrip('L')
s = "0"*(2*length - len(s)) + s
return rev_hex(s)
+
def var_int(i):
# https://en.bitcoin.it/wiki/Protocol_specification#Variable_length_integer
if i<0xfd:
t@@ -90,6 +87,7 @@ def var_int(i):
else:
return "ff"+int_to_hex(i,8)
+
def op_push(i):
if i<0x4c:
return int_to_hex(i)
t@@ -99,27 +97,29 @@ def op_push(i):
return '4d' + int_to_hex(i,2)
else:
return '4e' + int_to_hex(i,4)
-
def sha256(x):
return hashlib.sha256(x).digest()
+
def Hash(x):
if type(x) is unicode: x=x.encode('utf-8')
return sha256(sha256(x))
+
hash_encode = lambda x: x[::-1].encode('hex')
hash_decode = lambda x: x.decode('hex')[::-1]
hmac_sha_512 = lambda x,y: hmac.new(x, y, hashlib.sha512).digest()
+
def mnemonic_to_seed(mnemonic, passphrase):
from pbkdf2 import PBKDF2
import hmac
PBKDF2_ROUNDS = 2048
return PBKDF2(mnemonic, 'mnemonic' + passphrase, iterations = PBKDF2_ROUNDS, macmodule = hmac, digestmodule = hashlib.sha512).read(64)
-from version import SEED_PREFIX
+
is_new_seed = lambda x: hmac_sha_512("Seed version", x.encode('utf8')).encode('hex')[0:2].startswith(SEED_PREFIX)
def is_old_seed(seed):
t@@ -136,7 +136,7 @@ def is_old_seed(seed):
is_hex = (len(seed) == 32)
except Exception:
is_hex = False
-
+
return is_hex or (uses_electrum_words and len(words) == 12)
t@@ -164,9 +164,9 @@ def i2d_ECPrivateKey(pkey, compressed=False):
'022100' + \
'%064x' % _r + \
'020101a144034200'
-
+
return key.decode('hex') + i2o_ECPublicKey(pkey.pubkey, compressed)
-
+
def i2o_ECPublicKey(pubkey, compressed=False):
# public keys are 65 bytes long (520 bits)
# 0x04 + 32-byte X-coordinate + 32-byte Y-coordinate
t@@ -181,14 +181,14 @@ def i2o_ECPublicKey(pubkey, compressed=False):
key = '04' + \
'%064x' % pubkey.point.x() + \
'%064x' % pubkey.point.y()
-
+
return key.decode('hex')
-
+
# end pywallet openssl private key implementation
-
-
-############ functions from pywallet #####################
+
+
+############ functions from pywallet #####################
def hash_160(public_key):
try:
t@@ -219,6 +219,7 @@ def bc_address_to_hash_160(addr):
__b58chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
__b58base = len(__b58chars)
+
def b58encode(v):
""" encode v, which is a string of bytes, to base58."""
t@@ -242,6 +243,7 @@ def b58encode(v):
return (__b58chars[0]*nPad) + result
+
def b58decode(v, length):
""" decode v into a string of len bytes."""
long_value = 0L
t@@ -271,6 +273,7 @@ def EncodeBase58Check(vchIn):
hash = Hash(vchIn)
return b58encode(vchIn + hash[0:4])
+
def DecodeBase58Check(psz):
vchRet = b58decode(psz, None)
key = vchRet[0:-4]
t@@ -282,9 +285,11 @@ def DecodeBase58Check(psz):
else:
return key
+
def PrivKeyToSecret(privkey):
return privkey[9:9+32]
+
def SecretToASecret(secret, compressed=False, addrtype=0):
vchIn = chr((addrtype+128)&255) + secret
if compressed: vchIn += '\01'
t@@ -304,15 +309,19 @@ def regenerate_key(sec):
b = b[0:32]
return EC_KEY(b)
+
def GetPubKey(pubkey, compressed=False):
return i2o_ECPublicKey(pubkey, compressed)
+
def GetPrivKey(pkey, compressed=False):
return i2d_ECPrivateKey(pkey, compressed)
+
def GetSecret(pkey):
return ('%064x' % pkey.secret).decode('hex')
+
def is_compressed(sec):
b = ASecretToSecret(sec)
return len(b) == 33
t@@ -349,7 +358,7 @@ def is_address(addr):
def is_private_key(key):
try:
- k = ASecretToSecret(key)
+ k = ASecretToSecret(key)
return k is not False
except:
return False
t@@ -513,19 +522,19 @@ class EC_KEY(object):
@classmethod
def encrypt_message(self, message, pubkey):
-
+
pk = ser_to_point(pubkey)
if not ecdsa.ecdsa.point_is_valid(generator_secp256k1, pk.x(), pk.y()):
raise Exception('invalid pubkey')
-
+
ephemeral_exponent = number_to_string(ecdsa.util.randrange(pow(2,256)), generator_secp256k1.order())
ephemeral = EC_KEY(ephemeral_exponent)
-
+
ecdh_key = (pk * ephemeral.privkey.secret_multiplier).x()
ecdh_key = ('%064x' % ecdh_key).decode('hex')
key = hashlib.sha512(ecdh_key).digest()
key_e, key_m = key[:32], key[32:]
-
+
iv_ciphertext = aes.encryptData(key_e, message)
ephemeral_pubkey = ephemeral.get_public_key(compressed=True).decode('hex')
t@@ -536,20 +545,20 @@ class EC_KEY(object):
def decrypt_message(self, encrypted):
-
+
encrypted = base64.b64decode(encrypted)
-
+
if len(encrypted) < 85:
raise Exception('invalid ciphertext: length')
-
+
magic = encrypted[:4]
ephemeral_pubkey = encrypted[4:37]
iv_ciphertext = encrypted[37:-32]
mac = encrypted[-32:]
-
+
if magic != 'BIE1':
raise Exception('invalid ciphertext: invalid magic bytes')
-
+
try:
ephemeral_pubkey = ser_to_point(ephemeral_pubkey)
except AssertionError, e:
t@@ -608,10 +617,10 @@ def _CKD_priv(k, c, s, is_prime):
return k_n, c_n
# Child public key derivation function (from public key only)
-# K = master public key
+# K = master public key
# c = master chain code
# n = index of key we want to derive
-# This function allows us to find the nth public key, as long as n is
+# This function allows us to find the nth public key, as long as n is
# non-negative. If n is negative, we need the master private key to find it.
def CKD_pub(cK, c, n):
if n & BIP32_PRIME: raise
t@@ -633,7 +642,7 @@ def _CKD_pub(cK, c, s):
def deserialize_xkey(xkey):
- xkey = DecodeBase58Check(xkey)
+ xkey = DecodeBase58Check(xkey)
assert len(xkey) == 78
assert xkey[0:4].encode('hex') in ["0488ade4", "0488b21e"]
depth = ord(xkey[4])
t@@ -650,7 +659,7 @@ def deserialize_xkey(xkey):
def bip32_root(seed):
import hmac
- seed = seed.decode('hex')
+ seed = seed.decode('hex')
I = hmac.new("Bitcoin seed", seed, hashlib.sha512).digest()
master_k = I[0:32]
master_c = I[32:]
t@@ -699,96 +708,7 @@ def bip32_public_derivation(xpub, branch, sequence):
return EncodeBase58Check(xpub)
-
-
def bip32_private_key(sequence, k, chain):
for i in sequence:
k, chain = CKD_priv(k, chain, i)
return SecretToASecret(k, True)
-
-
-
-
-################################## transactions
-
-MIN_RELAY_TX_FEE = 1000
-
-
-
-import unittest
-class Test_bitcoin(unittest.TestCase):
-
- def test_crypto(self):
- for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
- self.do_test_crypto(message)
-
- def do_test_crypto(self, message):
- G = generator_secp256k1
- _r = G.order()
- pvk = ecdsa.util.randrange( pow(2,256) ) %_r
-
- Pub = pvk*G
- pubkey_c = point_to_ser(Pub,True)
- pubkey_u = point_to_ser(Pub,False)
- addr_c = public_key_to_bc_address(pubkey_c)
- addr_u = public_key_to_bc_address(pubkey_u)
-
- #print "Private key ", '%064x'%pvk
- eck = EC_KEY(number_to_string(pvk,_r))
-
- #print "Compressed public key ", pubkey_c.encode('hex')
- enc = EC_KEY.encrypt_message(message, pubkey_c)
- dec = eck.decrypt_message(enc)
- assert dec == message
-
- #print "Uncompressed public key", pubkey_u.encode('hex')
- enc2 = EC_KEY.encrypt_message(message, pubkey_u)
- dec2 = eck.decrypt_message(enc)
- assert dec2 == message
-
- signature = eck.sign_message(message, True, addr_c)
- #print signature
- EC_KEY.verify_message(addr_c, signature, message)
-
-
-
- def test_bip32(self):
- # see https://en.bitcoin.it/wiki/BIP_0032_TestVectors
- xpub, xprv = self.do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
- assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
- assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
-
- xpub, xprv = self.do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
- assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt"
- assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j"
-
-
- def do_test_bip32(self, seed, sequence):
- xprv, xpub = bip32_root(seed)
- assert sequence[0:2] == "m/"
- path = 'm'
- sequence = sequence[2:]
- for n in sequence.split('/'):
- child_path = path + '/' + n
- if n[-1] != "'":
- xpub2 = bip32_public_derivation(xpub, path, child_path)
- xprv, xpub = bip32_private_derivation(xprv, path, child_path)
- if n[-1] != "'":
- assert xpub == xpub2
- path = child_path
-
- return xpub, xprv
-
-
- def test_aes(self):
- s = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
- self.do_test_aes(s, s)
-
- def do_test_aes(self, s, p):
- enc = pw_encode(s, p)
- dec = pw_decode(enc, p)
- assert dec == s
-
-
-if __name__ == "__main__":
- unittest.main()
DIR diff --git a/lib/tests/__init__.py b/lib/tests/__init__.py
DIR diff --git a/lib/tests/test_bitcoin.py b/lib/tests/test_bitcoin.py
t@@ -0,0 +1,115 @@
+import unittest
+import sys
+from ecdsa.util import number_to_string
+
+from lib.bitcoin import (
+ generator_secp256k1, point_to_ser, public_key_to_bc_address, EC_KEY,
+ bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
+ pw_decode, Hash, public_key_from_private_key, address_from_private_key,
+ is_valid, is_private_key)
+
+try:
+ import ecdsa
+except ImportError:
+ sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
+
+class Test_bitcoin(unittest.TestCase):
+
+ def test_crypto(self):
+ for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
+ self._do_test_crypto(message)
+
+ def _do_test_crypto(self, message):
+ G = generator_secp256k1
+ _r = G.order()
+ pvk = ecdsa.util.randrange( pow(2,256) ) %_r
+
+ Pub = pvk*G
+ pubkey_c = point_to_ser(Pub,True)
+ #pubkey_u = point_to_ser(Pub,False)
+ addr_c = public_key_to_bc_address(pubkey_c)
+ #addr_u = public_key_to_bc_address(pubkey_u)
+
+ #print "Private key ", '%064x'%pvk
+ eck = EC_KEY(number_to_string(pvk,_r))
+
+ #print "Compressed public key ", pubkey_c.encode('hex')
+ enc = EC_KEY.encrypt_message(message, pubkey_c)
+ dec = eck.decrypt_message(enc)
+ assert dec == message
+
+ #print "Uncompressed public key", pubkey_u.encode('hex')
+ #enc2 = EC_KEY.encrypt_message(message, pubkey_u)
+ dec2 = eck.decrypt_message(enc)
+ assert dec2 == message
+
+ signature = eck.sign_message(message, True, addr_c)
+ #print signature
+ EC_KEY.verify_message(addr_c, signature, message)
+
+ def test_bip32(self):
+ # see https://en.bitcoin.it/wiki/BIP_0032_TestVectors
+ xpub, xprv = self._do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000")
+ assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy"
+ assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76"
+
+ xpub, xprv = self._do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2")
+ assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt"
+ assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j"
+
+ def _do_test_bip32(self, seed, sequence):
+ xprv, xpub = bip32_root(seed)
+ assert sequence[0:2] == "m/"
+ path = 'm'
+ sequence = sequence[2:]
+ for n in sequence.split('/'):
+ child_path = path + '/' + n
+ if n[-1] != "'":
+ xpub2 = bip32_public_derivation(xpub, path, child_path)
+ xprv, xpub = bip32_private_derivation(xprv, path, child_path)
+ if n[-1] != "'":
+ assert xpub == xpub2
+ path = child_path
+
+ return xpub, xprv
+
+ def test_aes_homomorphic(self):
+ """Make sure AES is homomorphic."""
+ payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
+ password = u'secret'
+ enc = pw_encode(payload, password)
+ dec = pw_decode(enc, password)
+ self.assertEqual(dec, payload)
+
+ def test_hash(self):
+ """Make sure the Hash function does sha256 twice"""
+ payload = u"test"
+ expected = '\x95MZI\xfdp\xd9\xb8\xbc\xdb5\xd2R&x)\x95\x7f~\xf7\xfalt\xf8\x84\x19\xbd\xc5\xe8"\t\xf4'
+
+ result = Hash(payload)
+ self.assertEqual(expected, result)
+
+
+class Test_keyImport(unittest.TestCase):
+ """ The keys used in this class are TEST keys from
+ https://en.bitcoin.it/wiki/BIP_0032_TestVectors"""
+
+ private_key = "L52XzL2cMkHxqxBXRyEpnPQZGUs3uKiL3R11XbAdHigRzDozKZeW"
+ public_key_hex = "0339a36013301597daef41fbe593a02cc513d0b55527ec2df1050e2e8ff49c85c2"
+ main_address = "15mKKb2eos1hWa6tisdPwwDC1a5J1y9nma"
+
+ def test_public_key_from_private_key(self):
+ result = public_key_from_private_key(self.private_key)
+ self.assertEqual(self.public_key_hex, result)
+
+ def test_address_from_private_key(self):
+ result = address_from_private_key(self.private_key)
+ self.assertEqual(self.main_address, result)
+
+ def test_is_valid_address(self):
+ self.assertTrue(is_valid(self.main_address))
+ self.assertFalse(is_valid("not an address"))
+
+ def test_is_private_key(self):
+ self.assertTrue(is_private_key(self.private_key))
+ self.assertFalse(is_private_key(self.public_key_hex))