104 lines
4.7 KiB
Python
104 lines
4.7 KiB
Python
from binascii import unhexlify, hexlify
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from lbry.testcase import AsyncioTestCase
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from lbry.wallet.bip32 import PubKey, PrivateKey, from_extended_key_string
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from lbry.wallet import Ledger, Database, Headers
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from tests.unit.wallet.key_fixtures import expected_ids, expected_privkeys, expected_hardened_privkeys
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class BIP32Tests(AsyncioTestCase):
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def test_pubkey_validation(self):
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with self.assertRaisesRegex(TypeError, 'chain code must be raw bytes'):
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PubKey(None, None, 1, None, None, None)
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with self.assertRaisesRegex(ValueError, 'invalid chain code'):
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PubKey(None, None, b'abcd', None, None, None)
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with self.assertRaisesRegex(ValueError, 'invalid child number'):
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PubKey(None, None, b'abcd'*8, -1, None, None)
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with self.assertRaisesRegex(ValueError, 'invalid depth'):
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PubKey(None, None, b'abcd'*8, 0, 256, None)
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with self.assertRaisesRegex(TypeError, 'pubkey must be raw bytes'):
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PubKey(None, None, b'abcd'*8, 0, 255, None)
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with self.assertRaisesRegex(ValueError, 'pubkey must be 33 bytes'):
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PubKey(None, b'abcd', b'abcd'*8, 0, 255, None)
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with self.assertRaisesRegex(ValueError, 'invalid pubkey prefix byte'):
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PubKey(
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None,
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unhexlify('33d1a3dc8155673bc1e2214fa493ccc82d57961b66054af9b6b653ac28eeef3ffe'),
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b'abcd'*8, 0, 255, None
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)
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pubkey = PubKey( # success
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None,
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unhexlify('03d1a3dc8155673bc1e2214fa493ccc82d57961b66054af9b6b653ac28eeef3ffe'),
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b'abcd'*8, 0, 1, None
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)
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with self.assertRaisesRegex(ValueError, 'invalid BIP32 public key child number'):
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pubkey.child(-1)
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for i in range(20):
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new_key = pubkey.child(i)
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self.assertIsInstance(new_key, PubKey)
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self.assertEqual(hexlify(new_key.identifier()), expected_ids[i])
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async def test_private_key_validation(self):
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with self.assertRaisesRegex(TypeError, 'private key must be raw bytes'):
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PrivateKey(None, None, b'abcd'*8, 0, 255)
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with self.assertRaisesRegex(ValueError, 'private key must be 32 bytes'):
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PrivateKey(None, b'abcd', b'abcd'*8, 0, 255)
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private_key = PrivateKey(
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Ledger({
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'db': Database(':memory:'),
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'headers': Headers(':memory:'),
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}),
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unhexlify('2423f3dc6087d9683f73a684935abc0ccd8bc26370588f56653128c6a6f0bf7c'),
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b'abcd'*8, 0, 1
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)
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ec_point = private_key.ec_point()
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self.assertEqual(
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ec_point[0], 30487144161998778625547553412379759661411261804838752332906558028921886299019
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)
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self.assertEqual(
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ec_point[1], 86198965946979720220333266272536217633917099472454294641561154971209433250106
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)
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self.assertEqual('bUDcmraBp2zCV3QWmVVeQaEgepbs1b2gC9', private_key.address())
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with self.assertRaisesRegex(ValueError, 'invalid BIP32 private key child number'):
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private_key.child(-1)
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self.assertIsInstance(private_key.child(PrivateKey.HARDENED), PrivateKey)
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async def test_private_key_derivation(self):
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private_key = PrivateKey(
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Ledger({
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'db': Database(':memory:'),
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'headers': Headers(':memory:'),
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}),
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unhexlify('2423f3dc6087d9683f73a684935abc0ccd8bc26370588f56653128c6a6f0bf7c'),
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b'abcd'*8, 0, 1
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)
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for i in range(20):
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new_privkey = private_key.child(i)
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self.assertIsInstance(new_privkey, PrivateKey)
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self.assertEqual(hexlify(new_privkey.private_key_bytes), expected_privkeys[i])
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for i in range(PrivateKey.HARDENED + 1, private_key.HARDENED + 20):
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new_privkey = private_key.child(i)
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self.assertIsInstance(new_privkey, PrivateKey)
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self.assertEqual(hexlify(new_privkey.private_key_bytes), expected_hardened_privkeys[i - 1 - PrivateKey.HARDENED])
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async def test_from_extended_keys(self):
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ledger = Ledger({
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'db': Database(':memory:'),
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'headers': Headers(':memory:'),
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})
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self.assertIsInstance(
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from_extended_key_string(
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ledger,
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'xprv9s21ZrQH143K2dyhK7SevfRG72bYDRNv25yKPWWm6dqApNxm1Zb1m5gGcBWYfbsPjTr2v5joit8Af2Zp5P'
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'6yz3jMbycrLrRMpeAJxR8qDg8',
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), PrivateKey
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)
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self.assertIsInstance(
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from_extended_key_string(
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ledger,
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'xpub661MyMwAqRbcF84AR8yfHoMzf4S2ct6mPJtvBtvNeyN9hBHuZ6uGJszkTSn5fQUCdz3XU17eBzFeAUwV6f'
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'iW44g14WF52fYC5J483wqQ5ZP',
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), PubKey
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)
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