X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=lib%2Ftests%2Ftest_bitcoin.py;h=50c8df31be10223c01a0e78286ab4456ee723102;hb=0ac02bf040c9e0761030622074405dd2d59fd0fd;hp=7b7a966d75ccf6cdb750af0dcd156da502e5a87a;hpb=73c33820dbf17eadd049ebeb5d295e124bfadfc6;p=electrum-nvc.git diff --git a/lib/tests/test_bitcoin.py b/lib/tests/test_bitcoin.py index 7b7a966..50c8df3 100644 --- a/lib/tests/test_bitcoin.py +++ b/lib/tests/test_bitcoin.py @@ -5,7 +5,8 @@ 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) + pw_decode, Hash, public_key_from_private_key, address_from_private_key, + is_valid, is_private_key, mnemonic_to_seed, xpub_from_xprv) try: import ecdsa @@ -16,9 +17,9 @@ 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) + self._do_test_crypto(message) - def do_test_crypto(self, message): + def _do_test_crypto(self, message): G = generator_secp256k1 _r = G.order() pvk = ecdsa.util.randrange( pow(2,256) ) %_r @@ -46,41 +47,131 @@ class Test_bitcoin(unittest.TestCase): #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") + xpub, xprv = self._do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000", testnet=False) assert xpub == "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy" assert xprv == "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76" - xpub, xprv = self.do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2") + xpub, xprv = self._do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2", testnet=False) assert xpub == "xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt" assert xprv == "xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j" + def test_bip32_testnet(self): + xpub, xprv = self._do_test_bip32("000102030405060708090a0b0c0d0e0f", "m/0'/1/2'/2/1000000000", testnet=True) + assert xpub == "tpubDHNy3kAG39ThyiwwsgoKY4iRenXDRtce8qdCFJZXPMCJg5dsCUHayp84raLTpvyiNA9sXPob5rgqkKvkN8S7MMyXbnEhGJMW64Cf4vFAoaF" + assert xprv == "tprv8kgvuL81tmn36Fv9z38j8f4K5m1HGZRjZY2QxnXDy5PuqbP6a5TzoKWCgTcGHBu66W3TgSbAu2yX6sPza5FkHmy564Sh6gmCPUNeUt4yj2x" + + xpub, xprv = self._do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2", testnet=True) + assert xpub == "tpubDG9qJLc8hq8PMG7y4sQEodLSocEkfj4mGrUC75b7G76mDoqybcUXvmvRsruvLeF14mhixobZwZP6LwqeFePKU83Sv8ZnxWdHBb6VzE6zbvC" + assert xprv == "tprv8jTo9vZtZTSiTo6BBDjeQDgLEaipWPsrhYsQpZYoqqJNPKbCyDewkHJZhkoSHiWYCUf1Gm4TFzQxcG4D6s1J9Hsn4whDK7QYyHHokJeUuac" - def do_test_bip32(self, seed, sequence): - xprv, xpub = bip32_root(seed) + def _do_test_bip32(self, seed, sequence, testnet): + xprv, xpub = bip32_root(seed, testnet) 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) + xpub2 = bip32_public_derivation(xpub, path, child_path, testnet) + xprv, xpub = bip32_private_derivation(xprv, path, child_path, testnet) 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 + 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_aes_encode_without_password(self): + """When not passed a password, pw_encode is noop on the payload.""" + payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0' + enc = pw_encode(payload, None) + self.assertEqual(payload, enc) + + def test_aes_deencode_without_password(self): + """When not passed a password, pw_decode is noop on the payload.""" + payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0' + enc = pw_decode(payload, None) + self.assertEqual(payload, enc) + + def test_aes_decode_with_invalid_password(self): + """pw_decode raises an Exception when supplied an invalid password.""" + payload = u"blah" + password = u"uber secret" + wrong_password = u"not the password" + enc = pw_encode(payload, password) + self.assertRaises(Exception, pw_decode, enc, wrong_password) + + 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) + + def test_xpub_from_xprv(self): + """We can derive the xpub key from a xprv.""" + # Taken from test vectors in https://en.bitcoin.it/wiki/BIP_0032_TestVectors + xpub = "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy" + xprv = "xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76" + + result = xpub_from_xprv(xprv) + self.assertEqual(result, xpub) + + def test_xpub_from_xprv_testnet(self): + """We can derive the xpub key from a xprv using testnet headers.""" + xpub = "tpubDHNy3kAG39ThyiwwsgoKY4iRenXDRtce8qdCFJZXPMCJg5dsCUHayp84raLTpvyiNA9sXPob5rgqkKvkN8S7MMyXbnEhGJMW64Cf4vFAoaF" + xprv = "tprv8kgvuL81tmn36Fv9z38j8f4K5m1HGZRjZY2QxnXDy5PuqbP6a5TzoKWCgTcGHBu66W3TgSbAu2yX6sPza5FkHmy564Sh6gmCPUNeUt4yj2x" + result = xpub_from_xprv(xprv, testnet=True) + self.assertEqual(result, xpub) + + +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)) + + +class Test_mnemonic(unittest.TestCase): + + def test_mnemonic_to_seed_no_passphrase(self): + mnemonic = "remember you must" + passphrase = "" + expected = '\xa5\x05c!\x97\x8dv2\x11P\x00\x88\x1a\xfbn;\xa6m\xe4a\n"\xf7\x1a\x8e\x10\xbc\xa7\xf2c\xcfX\xa8v;F\x0f&0\x93\xd9l\xd4\xe0\x1a\xc3Y\xa0b\xbb\xd3\xa6=\x00|0\xb6\xd6\x87*Y\x02\xb5i' + result = mnemonic_to_seed(mnemonic, passphrase) + self.assertEqual(expected, result) + + def test_mnemonic_to_seed_with_passphrase(self): + mnemonic = "remember you must" + passphrase = "secret" + expected = '\x1c\x11u\xd0\xca$DsrK\xa8\xe63\x9e\xfa\x02|\xb4\xdb\xdc~\x86\xbf\xf2Z\xe6\xb6\x17D\x11S\xc0\xa1\x0f$m\xb8\xf3\xad\x12\x83@B]\xe8^\x82\x10z\xe8V\xba\x81.Ou\x1c\x93&\xe8\xac\xf6\x9a\xf9' + result = mnemonic_to_seed(mnemonic, passphrase) + self.assertEqual(expected, result)