forked from LBRYCommunity/lbry-sdk
332 lines
12 KiB
Python
332 lines
12 KiB
Python
from itertools import cycle
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from binascii import hexlify
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from unittest import TestCase, mock
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from lbry import Config, Database, Ledger, Account, Wallet, Transaction, Output, Input
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from lbry.testcase import AsyncioTestCase, get_output, COIN, CENT
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from lbry.wallet.preferences import TimestampedPreferences
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class WalletTestCase(AsyncioTestCase):
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async def asyncSetUp(self):
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self.ledger = Ledger(Config.with_null_dir().set(db_url='sqlite:///:memory:'))
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self.db = Database(self.ledger)
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await self.db.open()
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self.addCleanup(self.db.close)
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class WalletAccountTest(WalletTestCase):
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async def test_private_key_for_hierarchical_account(self):
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wallet = Wallet("wallet1", self.db)
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account = await wallet.accounts.add_from_dict({
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"seed":
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"carbon smart garage balance margin twelve chest sword toas"
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"t envelope bottom stomach absent"
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})
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await account.receiving.ensure_address_gap()
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private_key = await wallet.get_private_key_for_address(
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'bCqJrLHdoiRqEZ1whFZ3WHNb33bP34SuGx'
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)
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self.assertEqual(
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private_key.extended_key_string(),
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'xprv9vwXVierUTT4hmoe3dtTeBfbNv1ph2mm8RWXARU6HsZjBaAoFaS2FRQu4fptR'
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'AyJWhJW42dmsEaC1nKnVKKTMhq3TVEHsNj1ca3ciZMKktT'
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)
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self.assertIsNone(
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await wallet.get_private_key_for_address('BcQjRlhDOIrQez1WHfz3whnB33Bp34sUgX')
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)
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async def test_private_key_for_single_address_account(self):
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wallet = Wallet("wallet1", self.db)
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account = await wallet.accounts.add_from_dict({
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"seed":
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"carbon smart garage balance margin twelve chest sword toas"
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"t envelope bottom stomach absent",
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'address_generator': {'name': 'single-address'}
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})
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address = await account.receiving.ensure_address_gap()
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private_key = await wallet.get_private_key_for_address(address[0])
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self.assertEqual(
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private_key.extended_key_string(),
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'xprv9s21ZrQH143K42ovpZygnjfHdAqSd9jo7zceDfPRogM7bkkoNVv7'
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'DRNLEoB8HoirMgH969NrgL8jNzLEegqFzPRWM37GXd4uE8uuRkx4LAe',
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)
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self.assertIsNone(
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await wallet.get_private_key_for_address('BcQjRlhDOIrQez1WHfz3whnB33Bp34sUgX')
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)
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async def test_save_max_gap(self):
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wallet = Wallet("wallet1", self.db)
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account = await wallet.accounts.generate(
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address_generator={
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'name': 'deterministic-chain',
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'receiving': {'gap': 3, 'maximum_uses_per_address': 2},
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'change': {'gap': 4, 'maximum_uses_per_address': 2}
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}
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)
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self.assertEqual(account.receiving.gap, 3)
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self.assertEqual(account.change.gap, 4)
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await wallet.save_max_gap()
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self.assertEqual(account.receiving.gap, 20)
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self.assertEqual(account.change.gap, 6)
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# doesn't fail for single-address account
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await wallet.accounts.generate(address_generator={'name': 'single-address'})
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await wallet.save_max_gap()
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class TestWalletCreation(WalletTestCase):
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async def test_create_wallet_and_accounts(self):
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wallet = Wallet("wallet1", self.db)
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self.assertEqual(wallet.id, "wallet1")
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self.assertEqual(wallet.name, "")
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self.assertEqual(list(wallet.accounts), [])
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account1 = await wallet.accounts.generate()
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await wallet.accounts.generate()
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await wallet.accounts.generate()
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self.assertEqual(wallet.accounts.default, account1)
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self.assertEqual(len(wallet.accounts), 3)
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async def test_load_and_save_wallet(self):
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wallet_dict = {
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'version': 1,
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'name': 'Main Wallet',
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'ledger': 'lbc_mainnet',
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'preferences': {},
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'accounts': [
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{
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'certificates': {},
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'name': 'An Account',
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'modified_on': 123.456,
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'seed':
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"carbon smart garage balance margin twelve chest sword toast envelope bottom stomac"
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"h absent",
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'encrypted': False,
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'lang': 'en',
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'private_key':
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'xprv9s21ZrQH143K42ovpZygnjfHdAqSd9jo7zceDfPRogM7bkkoNVv7'
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'DRNLEoB8HoirMgH969NrgL8jNzLEegqFzPRWM37GXd4uE8uuRkx4LAe',
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'public_key':
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'xpub661MyMwAqRbcGWtPvbWh9sc2BCfw2cTeVDYF23o3N1t6UZ5wv3EMm'
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'Dgp66FxHuDtWdft3B5eL5xQtyzAtkdmhhC95gjRjLzSTdkho95asu9',
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'address_generator': {
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'name': 'deterministic-chain',
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'receiving': {'gap': 17, 'maximum_uses_per_address': 3},
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'change': {'gap': 10, 'maximum_uses_per_address': 3}
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}
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}
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]
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}
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wallet = await Wallet.from_dict('wallet1', wallet_dict, self.db)
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self.assertEqual(wallet.name, 'Main Wallet')
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self.assertEqual(
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hexlify(wallet.hash),
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b'64a32cf8434a59c547abf61b4691a8189ac24272678b52ced2310fbf93eac974'
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)
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self.assertEqual(len(wallet.accounts), 1)
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account = wallet.accounts.default
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self.assertIsInstance(account, Account)
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self.maxDiff = None
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self.assertDictEqual(wallet_dict, wallet.to_dict())
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encrypted = wallet.pack('password')
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decrypted = Wallet.unpack('password', encrypted)
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self.assertEqual(decrypted['accounts'][0]['name'], 'An Account')
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async def test_merge(self):
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wallet1 = Wallet('wallet1', self.db)
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wallet1.preferences['one'] = 1
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wallet1.preferences['conflict'] = 1
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await wallet1.accounts.generate()
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wallet2 = Wallet('wallet2', self.db)
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wallet2.preferences['two'] = 2
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wallet2.preferences['conflict'] = 2 # will be more recent
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await wallet2.accounts.generate()
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self.assertEqual(len(wallet1.accounts), 1)
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self.assertEqual(wallet1.preferences, {'one': 1, 'conflict': 1})
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added = await wallet1.merge('password', wallet2.pack('password'))
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self.assertEqual(added[0].id, wallet2.accounts.default.id)
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self.assertEqual(len(wallet1.accounts), 2)
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self.assertEqual(list(wallet1.accounts)[1].id, wallet2.accounts.default.id)
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self.assertEqual(wallet1.preferences, {'one': 1, 'two': 2, 'conflict': 2})
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class TestTimestampedPreferences(TestCase):
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def test_init(self):
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p = TimestampedPreferences()
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p['one'] = 1
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p2 = TimestampedPreferences(p.data)
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self.assertEqual(p2['one'], 1)
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def test_hash(self):
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p = TimestampedPreferences()
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self.assertEqual(
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hexlify(p.hash), b'44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a'
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)
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with mock.patch('time.time', mock.Mock(return_value=12345)):
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p['one'] = 1
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self.assertEqual(
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hexlify(p.hash), b'c9e82bf4cb099dd0125f78fa381b21a8131af601917eb531e1f5f980f8f3da66'
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)
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def test_merge(self):
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p1 = TimestampedPreferences()
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p2 = TimestampedPreferences()
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with mock.patch('time.time', mock.Mock(return_value=10)):
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p1['one'] = 1
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p1['conflict'] = 1
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with mock.patch('time.time', mock.Mock(return_value=20)):
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p2['two'] = 2
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p2['conflict'] = 2
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# conflict in p2 overrides conflict in p1
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p1.merge(p2.data)
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self.assertEqual(p1, {'one': 1, 'two': 2, 'conflict': 2})
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# have a newer conflict in p1 so it is not overridden this time
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with mock.patch('time.time', mock.Mock(return_value=21)):
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p1['conflict'] = 1
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p1.merge(p2.data)
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self.assertEqual(p1, {'one': 1, 'two': 2, 'conflict': 1})
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class TestTransactionSigning(WalletTestCase):
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async def test_sign(self):
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wallet = Wallet('wallet1', self.db)
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account = await wallet.accounts.add_from_dict({
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"seed":
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"carbon smart garage balance margin twelve chest sword toas"
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"t envelope bottom stomach absent"
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})
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await account.ensure_address_gap()
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address1, address2 = await account.receiving.get_addresses(limit=2)
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pubkey_hash1 = self.ledger.address_to_hash160(address1)
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pubkey_hash2 = self.ledger.address_to_hash160(address2)
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tx = Transaction() \
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.add_inputs([Input.spend(get_output(int(2*COIN), pubkey_hash1))]) \
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.add_outputs([Output.pay_pubkey_hash(int(1.9*COIN), pubkey_hash2)])
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await wallet.sign(tx)
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self.assertEqual(
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hexlify(tx.inputs[0].script.values['signature']),
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b'304402200dafa26ad7cf38c5a971c8a25ce7d85a076235f146126762296b1223c42ae21e022020ef9eeb8'
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b'398327891008c5c0be4357683f12cb22346691ff23914f457bf679601'
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)
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class TransactionIOBalancing(WalletTestCase):
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async def asyncSetUp(self):
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await super().asyncSetUp()
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self.wallet = Wallet('wallet1', self.db)
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self.account = await self.wallet.accounts.add_from_dict({
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"seed":
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"carbon smart garage balance margin twelve chest sword toas"
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"t envelope bottom stomach absent"
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})
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addresses = await self.account.ensure_address_gap()
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self.pubkey_hash = [self.ledger.address_to_hash160(a) for a in addresses]
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self.hash_cycler = cycle(self.pubkey_hash)
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def txo(self, amount, address=None):
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return get_output(int(amount*COIN), address or next(self.hash_cycler))
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def txi(self, txo):
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return Input.spend(txo)
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def tx(self, inputs, outputs):
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return self.wallet.create_transaction(inputs, outputs, [self.account], self.account)
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async def create_utxos(self, amounts):
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utxos = [self.txo(amount) for amount in amounts]
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self.funding_tx = Transaction(is_verified=True) \
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.add_inputs([self.txi(self.txo(sum(amounts)+0.1))]) \
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.add_outputs(utxos)
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await self.db.insert_transaction(b'beef', self.funding_tx)
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return utxos
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@staticmethod
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def inputs(tx):
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return [round(i.amount/COIN, 2) for i in tx.inputs]
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@staticmethod
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def outputs(tx):
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return [round(o.amount/COIN, 2) for o in tx.outputs]
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async def test_basic_use_cases(self):
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self.ledger.fee_per_byte = int(.01*CENT)
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# available UTXOs for filling missing inputs
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utxos = await self.create_utxos([
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1, 1, 3, 5, 10
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])
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# pay 3 coins (3.02 w/ fees)
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tx = await self.tx(
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[], # inputs
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[self.txo(3)] # outputs
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)
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# best UTXO match is 5 (as UTXO 3 will be short 0.02 to cover fees)
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self.assertListEqual(self.inputs(tx), [5])
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# a change of 1.98 is added to reach balance
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self.assertListEqual(self.outputs(tx), [3, 1.98])
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await self.db.release_outputs(utxos)
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# pay 2.98 coins (3.00 w/ fees)
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tx = await self.tx(
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[], # inputs
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[self.txo(2.98)] # outputs
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)
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# best UTXO match is 3 and no change is needed
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self.assertListEqual(self.inputs(tx), [3])
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self.assertListEqual(self.outputs(tx), [2.98])
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await self.db.release_outputs(utxos)
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# supplied input and output, but input is not enough to cover output
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tx = await self.tx(
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[self.txi(self.txo(10))], # inputs
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[self.txo(11)] # outputs
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)
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# additional input is chosen (UTXO 3)
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self.assertListEqual([10, 3], self.inputs(tx))
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# change is now needed to consume extra input
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self.assertListEqual([11, 1.96], self.outputs(tx))
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await self.db.release_outputs(utxos)
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# liquidating a UTXO
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tx = await self.tx(
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[self.txi(self.txo(10))], # inputs
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[] # outputs
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)
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self.assertListEqual([10], self.inputs(tx))
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# missing change added to consume the amount
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self.assertListEqual([9.98], self.outputs(tx))
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await self.db.release_outputs(utxos)
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# liquidating at a loss, requires adding extra inputs
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tx = await self.tx(
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[self.txi(self.txo(0.01))], # inputs
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[] # outputs
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)
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# UTXO 1 is added to cover some of the fee
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self.assertListEqual([0.01, 1], self.inputs(tx))
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# change is now needed to consume extra input
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self.assertListEqual([0.97], self.outputs(tx))
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