225 lines
9.2 KiB
Python
225 lines
9.2 KiB
Python
import os
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from binascii import hexlify
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from lbry.wallet.testcase import AsyncioTestCase
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from lbry.wallet.client.wallet import Wallet
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from lbry.wallet.account import Account
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from lbry.wallet.transaction import Transaction, Output, Input
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from lbry.wallet.ledger import MainNetLedger
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from tests.unit.wallet.test_transaction import get_transaction, get_output
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from tests.unit.wallet.test_headers import HEADERS, block_bytes
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class MockNetwork:
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def __init__(self, history, transaction):
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self.history = history
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self.transaction = transaction
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self.address = None
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self.get_history_called = []
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self.get_transaction_called = []
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self.is_connected = False
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def retriable_call(self, function, *args, **kwargs):
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return function(*args, **kwargs)
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async def get_history(self, address):
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self.get_history_called.append(address)
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self.address = address
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return self.history
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async def get_merkle(self, txid, height):
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return {'merkle': ['abcd01'], 'pos': 1}
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async def get_transaction(self, tx_hash, _=None):
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self.get_transaction_called.append(tx_hash)
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return self.transaction[tx_hash]
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class LedgerTestCase(AsyncioTestCase):
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async def asyncSetUp(self):
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self.ledger = MainNetLedger({
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'db': MainNetLedger.database_class(':memory:'),
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'headers': MainNetLedger.headers_class(':memory:')
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})
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self.account = Account.generate(self.ledger, Wallet(), "lbryum")
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await self.ledger.db.open()
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async def asyncTearDown(self):
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await self.ledger.db.close()
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def make_header(self, **kwargs):
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header = {
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'bits': 486604799,
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'block_height': 0,
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'merkle_root': b'4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b',
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'nonce': 2083236893,
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'prev_block_hash': b'0000000000000000000000000000000000000000000000000000000000000000',
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'timestamp': 1231006505,
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'claim_trie_root': b'4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b',
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'version': 1
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}
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header.update(kwargs)
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header['merkle_root'] = header['merkle_root'].ljust(64, b'a')
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header['prev_block_hash'] = header['prev_block_hash'].ljust(64, b'0')
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return self.ledger.headers.serialize(header)
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def add_header(self, **kwargs):
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serialized = self.make_header(**kwargs)
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self.ledger.headers.io.seek(0, os.SEEK_END)
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self.ledger.headers.io.write(serialized)
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self.ledger.headers._size = None
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class TestSynchronization(LedgerTestCase):
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async def test_update_history(self):
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account = self.ledger.account_class.generate(self.ledger, Wallet(), "torba")
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address = await account.receiving.get_or_create_usable_address()
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address_details = await self.ledger.db.get_address(address=address)
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self.assertIsNone(address_details['history'])
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self.add_header(block_height=0, merkle_root=b'abcd04')
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self.add_header(block_height=1, merkle_root=b'abcd04')
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self.add_header(block_height=2, merkle_root=b'abcd04')
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self.add_header(block_height=3, merkle_root=b'abcd04')
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self.ledger.network = MockNetwork([
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{'tx_hash': 'abcd01', 'height': 0},
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{'tx_hash': 'abcd02', 'height': 1},
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{'tx_hash': 'abcd03', 'height': 2},
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], {
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'abcd01': hexlify(get_transaction(get_output(1)).raw),
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'abcd02': hexlify(get_transaction(get_output(2)).raw),
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'abcd03': hexlify(get_transaction(get_output(3)).raw),
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})
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await self.ledger.update_history(address, '')
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self.assertListEqual(self.ledger.network.get_history_called, [address])
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self.assertListEqual(self.ledger.network.get_transaction_called, ['abcd01', 'abcd02', 'abcd03'])
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address_details = await self.ledger.db.get_address(address=address)
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self.assertEqual(
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address_details['history'],
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'252bda9b22cc902ca2aa2de3548ee8baf06b8501ff7bfb3b0b7d980dbd1bf792:0:'
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'ab9c0654dd484ac20437030f2034e25dcb29fc507e84b91138f80adc3af738f9:1:'
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'a2ae3d1db3c727e7d696122cab39ee20a7f81856dab7019056dd539f38c548a0:2:'
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)
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self.ledger.network.get_history_called = []
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self.ledger.network.get_transaction_called = []
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await self.ledger.update_history(address, '')
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self.assertListEqual(self.ledger.network.get_history_called, [address])
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self.assertListEqual(self.ledger.network.get_transaction_called, [])
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self.ledger.network.history.append({'tx_hash': 'abcd04', 'height': 3})
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self.ledger.network.transaction['abcd04'] = hexlify(get_transaction(get_output(4)).raw)
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self.ledger.network.get_history_called = []
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self.ledger.network.get_transaction_called = []
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await self.ledger.update_history(address, '')
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self.assertListEqual(self.ledger.network.get_history_called, [address])
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self.assertListEqual(self.ledger.network.get_transaction_called, ['abcd04'])
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address_details = await self.ledger.db.get_address(address=address)
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self.assertEqual(
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address_details['history'],
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'252bda9b22cc902ca2aa2de3548ee8baf06b8501ff7bfb3b0b7d980dbd1bf792:0:'
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'ab9c0654dd484ac20437030f2034e25dcb29fc507e84b91138f80adc3af738f9:1:'
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'a2ae3d1db3c727e7d696122cab39ee20a7f81856dab7019056dd539f38c548a0:2:'
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'047cf1d53ef68f0fd586d46f90c09ff8e57a4180f67e7f4b8dd0135c3741e828:3:'
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)
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class MocHeaderNetwork(MockNetwork):
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def __init__(self, responses):
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super().__init__(None, None)
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self.responses = responses
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async def get_headers(self, height, blocks):
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return self.responses[height]
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class BlockchainReorganizationTests(LedgerTestCase):
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async def test_1_block_reorganization(self):
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self.ledger.network = MocHeaderNetwork({
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10: {'height': 10, 'count': 5, 'hex': hexlify(
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HEADERS[block_bytes(10):block_bytes(15)]
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)},
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15: {'height': 15, 'count': 0, 'hex': b''}
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})
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headers = self.ledger.headers
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await headers.connect(0, HEADERS[:block_bytes(10)])
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self.add_header(block_height=len(headers))
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self.assertEqual(10, headers.height)
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await self.ledger.receive_header([{
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'height': 11, 'hex': hexlify(self.make_header(block_height=11))
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}])
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async def test_3_block_reorganization(self):
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self.ledger.network = MocHeaderNetwork({
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10: {'height': 10, 'count': 5, 'hex': hexlify(
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HEADERS[block_bytes(10):block_bytes(15)]
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)},
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11: {'height': 11, 'count': 1, 'hex': hexlify(self.make_header(block_height=11))},
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12: {'height': 12, 'count': 1, 'hex': hexlify(self.make_header(block_height=12))},
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15: {'height': 15, 'count': 0, 'hex': b''}
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})
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headers = self.ledger.headers
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await headers.connect(0, HEADERS[:block_bytes(10)])
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self.add_header(block_height=len(headers))
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self.add_header(block_height=len(headers))
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self.add_header(block_height=len(headers))
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self.assertEqual(headers.height, 12)
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await self.ledger.receive_header([{
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'height': 13, 'hex': hexlify(self.make_header(block_height=13))
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}])
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class BasicAccountingTests(LedgerTestCase):
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async def test_empty_state(self):
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self.assertEqual(await self.account.get_balance(), 0)
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async def test_balance(self):
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address = await self.account.receiving.get_or_create_usable_address()
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hash160 = self.ledger.address_to_hash160(address)
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tx = Transaction(is_verified=True)\
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.add_outputs([Output.pay_pubkey_hash(100, hash160)])
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await self.ledger.db.insert_transaction(tx)
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await self.ledger.db.save_transaction_io(
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tx, address, hash160, f'{tx.id}:1:'
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)
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self.assertEqual(await self.account.get_balance(), 100)
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tx = Transaction(is_verified=True)\
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.add_outputs([Output.pay_claim_name_pubkey_hash(100, 'foo', b'', hash160)])
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await self.ledger.db.insert_transaction(tx)
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await self.ledger.db.save_transaction_io(
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tx, address, hash160, f'{tx.id}:1:'
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)
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self.assertEqual(await self.account.get_balance(), 100) # claim names don't count towards balance
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self.assertEqual(await self.account.get_balance(include_claims=True), 200)
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async def test_get_utxo(self):
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address = yield self.account.receiving.get_or_create_usable_address()
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hash160 = self.ledger.address_to_hash160(address)
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tx = Transaction(is_verified=True)\
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.add_outputs([Output.pay_pubkey_hash(100, hash160)])
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await self.ledger.db.save_transaction_io(
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'insert', tx, address, hash160, f'{tx.id}:1:'
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)
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utxos = await self.account.get_utxos()
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self.assertEqual(len(utxos), 1)
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tx = Transaction(is_verified=True)\
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.add_inputs([Input.spend(utxos[0])])
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await self.ledger.db.save_transaction_io(
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'insert', tx, address, hash160, f'{tx.id}:1:'
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)
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self.assertEqual(await self.account.get_balance(include_claims=True), 0)
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utxos = await self.account.get_utxos()
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self.assertEqual(len(utxos), 0)
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