lbry-sdk/torba/tests/client_tests/integration/test_transactions.py
2019-08-31 06:37:29 -03:00

176 lines
8.2 KiB
Python

import logging
import asyncio
import random
from itertools import chain
from random import shuffle
from torba.testcase import IntegrationTestCase
from torba.client.util import satoshis_to_coins, coins_to_satoshis
class BasicTransactionTests(IntegrationTestCase):
VERBOSITY = logging.WARN
async def test_variety_of_transactions_and_longish_history(self):
await self.blockchain.generate(300)
await self.assertBalance(self.account, '0.0')
addresses = await self.account.receiving.get_addresses()
# send 10 coins to first 10 receiving addresses and then 10 transactions worth 10 coins each
# to the 10th receiving address for a total of 30 UTXOs on the entire account
sends = list(chain(
(self.blockchain.send_to_address(address, 10) for address in addresses[:10]),
(self.blockchain.send_to_address(addresses[9], 10) for _ in range(10))
))
# use batching to reduce issues with send_to_address on cli
for batch in range(0, len(sends), 10):
txids = await asyncio.gather(*sends[batch:batch+10])
await asyncio.wait([self.on_transaction_id(txid) for txid in txids])
await self.assertBalance(self.account, '200.0')
self.assertEqual(20, await self.account.get_utxo_count())
# address gap should have increase by 10 to cover the first 10 addresses we've used up
addresses = await self.account.receiving.get_addresses()
self.assertEqual(30, len(addresses))
# there used to be a sync bug which failed to save TXIs between
# daemon restarts, clearing cache replicates that behavior
self.ledger._tx_cache.clear()
# spend from each of the first 10 addresses to the subsequent 10 addresses
txs = []
for address in addresses[10:20]:
txs.append(await self.ledger.transaction_class.create(
[],
[self.ledger.transaction_class.output_class.pay_pubkey_hash(
coins_to_satoshis('1.0'), self.ledger.address_to_hash160(address)
)],
[self.account], self.account
))
await asyncio.wait([self.broadcast(tx) for tx in txs])
await asyncio.wait([self.ledger.wait(tx) for tx in txs])
# verify that a previous bug which failed to save TXIs doesn't come back
# this check must happen before generating a new block
self.assertTrue(all([
tx.inputs[0].txo_ref.txo is not None
for tx in await self.ledger.db.get_transactions(txid__in=[tx.id for tx in txs])
]))
await self.blockchain.generate(1)
await asyncio.wait([self.ledger.wait(tx) for tx in txs])
await self.assertBalance(self.account, '199.99876')
# 10 of the UTXOs have been split into a 1 coin UTXO and a 9 UTXO change
self.assertEqual(30, await self.account.get_utxo_count())
# spend all 30 UTXOs into a a 199 coin UTXO and change
tx = await self.ledger.transaction_class.create(
[],
[self.ledger.transaction_class.output_class.pay_pubkey_hash(
coins_to_satoshis('199.0'), self.ledger.address_to_hash160(addresses[-1])
)],
[self.account], self.account
)
await self.broadcast(tx)
await self.ledger.wait(tx)
await self.blockchain.generate(1)
await self.ledger.wait(tx)
self.assertEqual(2, await self.account.get_utxo_count()) # 199 + change
await self.assertBalance(self.account, '199.99649')
async def test_sending_and_receiving(self):
account1, account2 = self.account, self.wallet.generate_account(self.ledger)
await self.ledger.subscribe_account(account2)
await self.assertBalance(account1, '0.0')
await self.assertBalance(account2, '0.0')
addresses = await self.account.receiving.get_addresses()
txids = await asyncio.gather(*(
self.blockchain.send_to_address(address, 1.1) for address in addresses[:5]
))
await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # mempool
await self.blockchain.generate(1)
await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # confirmed
await self.assertBalance(account1, '5.5')
await self.assertBalance(account2, '0.0')
address2 = await account2.receiving.get_or_create_usable_address()
tx = await self.ledger.transaction_class.create(
[],
[self.ledger.transaction_class.output_class.pay_pubkey_hash(
coins_to_satoshis('2.0'), self.ledger.address_to_hash160(address2)
)],
[account1], account1
)
await self.broadcast(tx)
await self.ledger.wait(tx) # mempool
await self.blockchain.generate(1)
await self.ledger.wait(tx) # confirmed
await self.assertBalance(account1, '3.499802')
await self.assertBalance(account2, '2.0')
utxos = await self.account.get_utxos()
tx = await self.ledger.transaction_class.create(
[self.ledger.transaction_class.input_class.spend(utxos[0])],
[],
[account1], account1
)
await self.broadcast(tx)
await self.ledger.wait(tx) # mempool
await self.blockchain.generate(1)
await self.ledger.wait(tx) # confirmed
tx = (await account1.get_transactions())[1]
self.assertEqual(satoshis_to_coins(tx.inputs[0].amount), '1.1')
self.assertEqual(satoshis_to_coins(tx.inputs[1].amount), '1.1')
self.assertEqual(satoshis_to_coins(tx.outputs[0].amount), '2.0')
self.assertEqual(tx.outputs[0].get_address(self.ledger), address2)
self.assertEqual(tx.outputs[0].is_change, False)
self.assertEqual(tx.outputs[1].is_change, True)
async def test_history_edge_cases(self):
await self.assertBalance(self.account, '0.0')
address = await self.account.receiving.get_or_create_usable_address()
# evil trick: mempool is unsorted on real life, but same order between python instances. reproduce it
original_summary = self.conductor.spv_node.server.mempool.transaction_summaries
async def random_summary(*args, **kwargs):
summary = await original_summary(*args, **kwargs)
if summary and len(summary) > 2:
ordered = summary.copy()
while summary == ordered:
random.shuffle(summary)
return summary
self.conductor.spv_node.server.mempool.transaction_summaries = random_summary
# 10 unconfirmed txs, all from blockchain wallet
sends = list(self.blockchain.send_to_address(address, 10) for _ in range(10))
# use batching to reduce issues with send_to_address on cli
for batch in range(0, len(sends), 10):
txids = await asyncio.gather(*sends[batch:batch + 10])
await asyncio.wait([self.on_transaction_id(txid) for txid in txids])
remote_status = await self.ledger.network.subscribe_address(address)
self.assertTrue(await self.ledger.update_history(address, remote_status))
# 20 unconfirmed txs, 10 from blockchain, 10 from local to local
utxos = await self.account.get_utxos()
txs = []
for utxo in utxos:
tx = await self.ledger.transaction_class.create(
[self.ledger.transaction_class.input_class.spend(utxo)],
[],
[self.account], self.account
)
await self.broadcast(tx)
txs.append(tx)
await asyncio.wait([self.on_transaction_address(tx, address) for tx in txs], timeout=1)
remote_status = await self.ledger.network.subscribe_address(address)
self.assertTrue(await self.ledger.update_history(address, remote_status))
# server history grows unordered
txid = await self.blockchain.send_to_address(address, 1)
await self.on_transaction_id(txid)
self.assertTrue(await self.ledger.update_history(address, remote_status))
self.assertEqual(21, len((await self.ledger.get_local_status_and_history(address))[1]))
self.assertEqual(0, len(self.ledger._known_addresses_out_of_sync))