from __future__ import absolute_import from __future__ import division from __future__ import print_function from __future__ import unicode_literals import base64 import six import unittest import sys from ecdsa.util import number_to_string from lib.bitcoin import ( generator_secp256k1, point_to_ser, public_key_to_p2pkh, 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_address, is_private_key, xpub_from_xprv, is_new_seed, is_old_seed, var_int, op_push, address_to_script, regenerate_key, verify_message, deserialize_privkey, serialize_privkey, is_segwit_address, is_b58_address, address_to_scripthash, is_minikey, is_compressed, is_xpub, xpub_type, is_xprv, is_bip32_derivation) from lib.util import bfh 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 [b"Chancellor on brink of second bailout for banks", b'\xff'*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_p2pkh(pubkey_c) #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) self.assertEqual(message, dec) #print "Uncompressed public key", pubkey_u.encode('hex') #enc2 = EC_KEY.encrypt_message(message, pubkey_u) dec2 = eck.decrypt_message(enc) self.assertEqual(message, dec2) signature = eck.sign_message(message, True) #print signature EC_KEY.verify_message(eck, signature, message) def test_msg_signing(self): msg1 = b'Chancellor on brink of second bailout for banks' msg2 = b'Electrum' def sign_message_with_wif_privkey(wif_privkey, msg): txin_type, privkey, compressed = deserialize_privkey(wif_privkey) key = regenerate_key(privkey) return key.sign_message(msg, compressed) sig1 = sign_message_with_wif_privkey( 'L1TnU2zbNaAqMoVh65Cyvmcjzbrj41Gs9iTLcWbpJCMynXuap6UN', msg1) addr1 = '15hETetDmcXm1mM4sEf7U2KXC9hDHFMSzz' sig2 = sign_message_with_wif_privkey( '5Hxn5C4SQuiV6e62A1MtZmbSeQyrLFhu5uYks62pU5VBUygK2KD', msg2) addr2 = '1GPHVTY8UD9my6jyP4tb2TYJwUbDetyNC6' sig1_b64 = base64.b64encode(sig1) sig2_b64 = base64.b64encode(sig2) self.assertEqual(sig1_b64, b'H/9jMOnj4MFbH3d7t4yCQ9i7DgZU/VZ278w3+ySv2F4yIsdqjsc5ng3kmN8OZAThgyfCZOQxZCWza9V5XzlVY0Y=') self.assertEqual(sig2_b64, b'G84dmJ8TKIDKMT9qBRhpX2sNmR0y5t+POcYnFFJCs66lJmAs3T8A6Sbpx7KA6yTQ9djQMabwQXRrDomOkIKGn18=') self.assertTrue(verify_message(addr1, sig1, msg1)) self.assertTrue(verify_message(addr2, sig2, msg2)) self.assertFalse(verify_message(addr1, b'wrong', msg1)) self.assertFalse(verify_message(addr1, sig2, msg1)) 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 = b'\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_var_int(self): for i in range(0xfd): self.assertEqual(var_int(i), "{:02x}".format(i) ) self.assertEqual(var_int(0xfd), "fdfd00") self.assertEqual(var_int(0xfe), "fdfe00") self.assertEqual(var_int(0xff), "fdff00") self.assertEqual(var_int(0x1234), "fd3412") self.assertEqual(var_int(0xffff), "fdffff") self.assertEqual(var_int(0x10000), "fe00000100") self.assertEqual(var_int(0x12345678), "fe78563412") self.assertEqual(var_int(0xffffffff), "feffffffff") self.assertEqual(var_int(0x100000000), "ff0000000001000000") self.assertEqual(var_int(0x0123456789abcdef), "ffefcdab8967452301") def test_op_push(self): self.assertEqual(op_push(0x00), '00') self.assertEqual(op_push(0x12), '12') self.assertEqual(op_push(0x4b), '4b') self.assertEqual(op_push(0x4c), '4c4c') self.assertEqual(op_push(0xfe), '4cfe') self.assertEqual(op_push(0xff), '4dff00') self.assertEqual(op_push(0x100), '4d0001') self.assertEqual(op_push(0x1234), '4d3412') self.assertEqual(op_push(0xfffe), '4dfeff') self.assertEqual(op_push(0xffff), '4effff0000') self.assertEqual(op_push(0x10000), '4e00000100') self.assertEqual(op_push(0x12345678), '4e78563412') # TODO testnet addresses def test_address_to_script(self): # bech32 native segwit # test vectors from BIP-0173 self.assertEqual(address_to_script('BC1QW508D6QEJXTDG4Y5R3ZARVARY0C5XW7KV8F3T4'), '0014751e76e8199196d454941c45d1b3a323f1433bd6') self.assertEqual(address_to_script('bc1pw508d6qejxtdg4y5r3zarvary0c5xw7kw508d6qejxtdg4y5r3zarvary0c5xw7k7grplx'), '5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6') self.assertEqual(address_to_script('BC1SW50QA3JX3S'), '6002751e') self.assertEqual(address_to_script('bc1zw508d6qejxtdg4y5r3zarvaryvg6kdaj'), '5210751e76e8199196d454941c45d1b3a323') # base58 P2PKH self.assertEqual(address_to_script('14gcRovpkCoGkCNBivQBvw7eso7eiNAbxG'), '76a91428662c67561b95c79d2257d2a93d9d151c977e9188ac') self.assertEqual(address_to_script('1BEqfzh4Y3zzLosfGhw1AsqbEKVW6e1qHv'), '76a914704f4b81cadb7bf7e68c08cd3657220f680f863c88ac') # base58 P2SH self.assertEqual(address_to_script('35ZqQJcBQMZ1rsv8aSuJ2wkC7ohUCQMJbT'), 'a9142a84cf00d47f699ee7bbc1dea5ec1bdecb4ac15487') self.assertEqual(address_to_script('3PyjzJ3im7f7bcV724GR57edKDqoZvH7Ji'), 'a914f47c8954e421031ad04ecd8e7752c9479206b9d387') class Test_xprv_xpub(unittest.TestCase): xprv_xpub = ( # Taken from test vectors in https://en.bitcoin.it/wiki/BIP_0032_TestVectors {'xprv': 'xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76', 'xpub': 'xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy', 'xtype': 'standard'}, {'xprv': 'yprvAJEYHeNEPcyBoQYM7sGCxDiNCTX65u4ANgZuSGTrKN5YCC9MP84SBayrgaMyZV7zvkHrr3HVPTK853s2SPk4EttPazBZBmz6QfDkXeE8Zr7', 'xpub': 'ypub6XDth9u8DzXV1tcpDtoDKMf6kVMaVMn1juVWEesTshcX4zUVvfNgjPJLXrD9N7AdTLnbHFL64KmBn3SNaTe69iZYbYCqLCCNPZKbLz9niQ4', 'xtype': 'segwit_p2sh'}, {'xprv': 'zprvAWgYBBk7JR8GkraNZJeEodAp2UR1VRWJTXyV1ywuUVs1awUgTiBS1ZTDtLA5F3MFDn1LZzu8dUpSKdT7ToDpvEG6PQu4bJs7zQY47Sd3sEZ', 'xpub': 'zpub6jftahH18ngZyLeqfLBFAm7YaWFVttE9pku5pNMX2qPzTjoq1FVgZMmhjecyB2nqFb31gHE9vNvbaggU6vvWpNZbXEWLLUjYjFqG95LNyT8', 'xtype': 'segwit'}, ) def _do_test_bip32(self, seed, sequence): xprv, xpub = bip32_root(bfh(seed), 'standard') self.assertEqual("m/", sequence[0:2]) 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] != "'": self.assertEqual(xpub, xpub2) path = child_path return xpub, xprv 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") self.assertEqual("xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy", xpub) self.assertEqual("xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76", xprv) xpub, xprv = self._do_test_bip32("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542","m/0/2147483647'/1/2147483646'/2") self.assertEqual("xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt", xpub) self.assertEqual("xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j", xprv) def test_xpub_from_xprv(self): """We can derive the xpub key from a xprv.""" for xprv_details in self.xprv_xpub: result = xpub_from_xprv(xprv_details['xprv']) self.assertEqual(result, xprv_details['xpub']) def test_is_xpub(self): for xprv_details in self.xprv_xpub: xpub = xprv_details['xpub'] self.assertTrue(is_xpub(xpub)) self.assertFalse(is_xpub('xpub1nval1d')) self.assertFalse(is_xpub('xpub661MyMwAqRbcFWohJWt7PHsFEJfZAvw9ZxwQoDa4SoMgsDDM1T7WK3u9E4edkC4ugRnZ8E4xDZRpk8Rnts3Nbt97dPwT52WRONGBADWRONG')) def test_xpub_type(self): for xprv_details in self.xprv_xpub: xpub = xprv_details['xpub'] self.assertEqual(xprv_details['xtype'], xpub_type(xpub)) def test_is_xprv(self): for xprv_details in self.xprv_xpub: xprv = xprv_details['xprv'] self.assertTrue(is_xprv(xprv)) self.assertFalse(is_xprv('xprv1nval1d')) self.assertFalse(is_xprv('xprv661MyMwAqRbcFWohJWt7PHsFEJfZAvw9ZxwQoDa4SoMgsDDM1T7WK3u9E4edkC4ugRnZ8E4xDZRpk8Rnts3Nbt97dPwT52WRONGBADWRONG')) def test_is_bip32_derivation(self): self.assertTrue(is_bip32_derivation("m/0'/1")) self.assertTrue(is_bip32_derivation("m/0'/0'")) self.assertTrue(is_bip32_derivation("m/44'/0'/0'/0/0")) self.assertTrue(is_bip32_derivation("m/49'/0'/0'/0/0")) self.assertFalse(is_bip32_derivation("mmmmmm")) self.assertFalse(is_bip32_derivation("n/")) self.assertFalse(is_bip32_derivation("")) self.assertFalse(is_bip32_derivation("m/q8462")) class Test_keyImport(unittest.TestCase): priv_pub_addr = ( {'priv': 'KzMFjMC2MPadjvX5Cd7b8AKKjjpBSoRKUTpoAtN6B3J9ezWYyXS6', 'pub': '02c6467b7e621144105ed3e4835b0b4ab7e35266a2ae1c4f8baa19e9ca93452997', 'address': '17azqT8T16coRmWKYFj3UjzJuxiYrYFRBR', 'minikey' : False, 'txin_type': 'p2pkh', 'compressed': True, 'addr_encoding': 'base58', 'scripthash': 'c9aecd1fef8d661a42c560bf75c8163e337099800b8face5ca3d1393a30508a7'}, {'priv': '5Hxn5C4SQuiV6e62A1MtZmbSeQyrLFhu5uYks62pU5VBUygK2KD', 'pub': '04e5fe91a20fac945845a5518450d23405ff3e3e1ce39827b47ee6d5db020a9075422d56a59195ada0035e4a52a238849f68e7a325ba5b2247013e0481c5c7cb3f', 'address': '1GPHVTY8UD9my6jyP4tb2TYJwUbDetyNC6', 'minikey': False, 'txin_type': 'p2pkh', 'compressed': False, 'addr_encoding': 'base58', 'scripthash': 'f5914651408417e1166f725a5829ff9576d0dbf05237055bf13abd2af7f79473'}, {'priv': 'LHJnnvRzsdrTX2j5QeWVsaBkabK7gfMNqNNqxnbBVRaJYfk24iJz', 'pub': '0279ad237ca0d812fb503ab86f25e15ebd5fa5dd95c193639a8a738dcd1acbad81', 'address': '3GeVJB3oKr7psgKR6BTXSxKtWUkfsHHhk7', 'minikey': False, 'txin_type': 'p2wpkh-p2sh', 'compressed': True, 'addr_encoding': 'base58', 'scripthash': 'd7b04e882fa6b13246829ac552a2b21461d9152eb00f0a6adb58457a3e63d7c5'}, {'priv': 'L8g5V8kFFeg2WbecahRSdobARbHz2w2STH9S8ePHVSY4fmia7Rsj', 'pub': '03e9f948421aaa89415dc5f281a61b60dde12aae3181b3a76cd2d849b164fc6d0b', 'address': 'bc1qqmpt7u5e9hfznljta5gnvhyvfd2kdd0r90hwue', 'minikey': False, 'txin_type': 'p2wpkh', 'compressed': True, 'addr_encoding': 'bech32', 'scripthash': '1929acaaef3a208c715228e9f1ca0318e3a6b9394ab53c8d026137f847ecf97b'}, # from http://bitscan.com/articles/security/spotlight-on-mini-private-keys {'priv': 'SzavMBLoXU6kDrqtUVmffv', 'pub': '02588d202afcc1ee4ab5254c7847ec25b9a135bbda0f2bc69ee1a714749fd77dc9', 'address': '19GuvDvMMUZ8vq84wT79fvnvhMd5MnfTkR', 'minikey': True, 'txin_type': 'p2pkh', 'compressed': True, # this is actually ambiguous... issue #2748 'addr_encoding': 'base58', 'scripthash': '60ad5a8b922f758cd7884403e90ee7e6f093f8d21a0ff24c9a865e695ccefdf1'}, ) def test_public_key_from_private_key(self): for priv_details in self.priv_pub_addr: txin_type, privkey, compressed = deserialize_privkey(priv_details['priv']) result = public_key_from_private_key(privkey, compressed) self.assertEqual(priv_details['pub'], result) self.assertEqual(priv_details['txin_type'], txin_type) self.assertEqual(priv_details['compressed'], compressed) def test_address_from_private_key(self): for priv_details in self.priv_pub_addr: addr2 = address_from_private_key(priv_details['priv']) self.assertEqual(priv_details['address'], addr2) def test_is_valid_address(self): for priv_details in self.priv_pub_addr: addr = priv_details['address'] self.assertFalse(is_address(priv_details['priv'])) self.assertFalse(is_address(priv_details['pub'])) self.assertTrue(is_address(addr)) is_enc_b58 = priv_details['addr_encoding'] == 'base58' self.assertEqual(is_enc_b58, is_b58_address(addr)) is_enc_bech32 = priv_details['addr_encoding'] == 'bech32' self.assertEqual(is_enc_bech32, is_segwit_address(addr)) self.assertFalse(is_address("not an address")) def test_is_private_key(self): for priv_details in self.priv_pub_addr: self.assertTrue(is_private_key(priv_details['priv'])) self.assertFalse(is_private_key(priv_details['pub'])) self.assertFalse(is_private_key(priv_details['address'])) self.assertFalse(is_private_key("not a privkey")) def test_serialize_privkey(self): for priv_details in self.priv_pub_addr: txin_type, privkey, compressed = deserialize_privkey(priv_details['priv']) priv2 = serialize_privkey(privkey, compressed, txin_type) if not priv_details['minikey']: self.assertEqual(priv_details['priv'], priv2) def test_address_to_scripthash(self): for priv_details in self.priv_pub_addr: sh = address_to_scripthash(priv_details['address']) self.assertEqual(priv_details['scripthash'], sh) def test_is_minikey(self): for priv_details in self.priv_pub_addr: minikey = priv_details['minikey'] priv = priv_details['priv'] self.assertEqual(minikey, is_minikey(priv)) def test_is_compressed(self): for priv_details in self.priv_pub_addr: self.assertEqual(priv_details['compressed'], is_compressed(priv_details['priv'])) class Test_seeds(unittest.TestCase): """ Test old and new seeds. """ def test_new_seed(self): seed = "cram swing cover prefer miss modify ritual silly deliver chunk behind inform able" self.assertTrue(is_new_seed(seed)) seed = "cram swing cover prefer miss modify ritual silly deliver chunk behind inform" self.assertFalse(is_new_seed(seed)) def test_old_seed(self): self.assertTrue(is_old_seed(" ".join(["like"] * 12))) self.assertFalse(is_old_seed(" ".join(["like"] * 18))) self.assertTrue(is_old_seed(" ".join(["like"] * 24))) self.assertFalse(is_old_seed("not a seed")) self.assertTrue(is_old_seed("0123456789ABCDEF" * 2)) self.assertTrue(is_old_seed("0123456789ABCDEF" * 4))