304 lines
14 KiB
Python
304 lines
14 KiB
Python
import asyncio
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import random
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from itertools import chain
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from lbry.wallet.transaction import Transaction, Output, Input
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from lbry.testcase import IntegrationTestCase
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from lbry.wallet.util import satoshis_to_coins, coins_to_satoshis
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from lbry.wallet.manager import WalletManager
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class BasicTransactionTests(IntegrationTestCase):
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async def test_variety_of_transactions_and_longish_history(self):
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await self.blockchain.generate(300)
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await self.assertBalance(self.account, '0.0')
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addresses = await self.account.receiving.get_addresses()
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# send 10 coins to first 10 receiving addresses and then 10 transactions worth 10 coins each
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# to the 10th receiving address for a total of 30 UTXOs on the entire account
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sends = list(chain(
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(self.blockchain.send_to_address(address, 10) for address in addresses[:10]),
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(self.blockchain.send_to_address(addresses[9], 10) for _ in range(10))
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))
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# use batching to reduce issues with send_to_address on cli
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for batch in range(0, len(sends), 10):
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txids = await asyncio.gather(*sends[batch:batch+10])
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await asyncio.wait([self.on_transaction_id(txid) for txid in txids])
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await self.assertBalance(self.account, '200.0')
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self.assertEqual(20, await self.account.get_utxo_count())
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# address gap should have increase by 10 to cover the first 10 addresses we've used up
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addresses = await self.account.receiving.get_addresses()
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self.assertEqual(30, len(addresses))
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# there used to be a sync bug which failed to save TXIs between
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# daemon restarts, clearing cache replicates that behavior
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self.ledger._tx_cache.clear()
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# spend from each of the first 10 addresses to the subsequent 10 addresses
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txs = []
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for address in addresses[10:20]:
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txs.append(await Transaction.create(
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[],
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[Output.pay_pubkey_hash(
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coins_to_satoshis('1.0'), self.ledger.address_to_hash160(address)
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)],
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[self.account], self.account
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))
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await asyncio.wait([self.broadcast(tx) for tx in txs])
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await asyncio.wait([self.ledger.wait(tx) for tx in txs])
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# verify that a previous bug which failed to save TXIs doesn't come back
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# this check must happen before generating a new block
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self.assertTrue(all([
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tx.inputs[0].txo_ref.txo is not None
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for tx in await self.ledger.db.get_transactions(txid__in=[tx.id for tx in txs])
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]))
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await self.blockchain.generate(1)
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await asyncio.wait([self.ledger.wait(tx) for tx in txs])
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await self.assertBalance(self.account, '199.99876')
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# 10 of the UTXOs have been split into a 1 coin UTXO and a 9 UTXO change
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self.assertEqual(30, await self.account.get_utxo_count())
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# spend all 30 UTXOs into a a 199 coin UTXO and change
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tx = await Transaction.create(
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[],
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[Output.pay_pubkey_hash(
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coins_to_satoshis('199.0'), self.ledger.address_to_hash160(addresses[-1])
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)],
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[self.account], self.account
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)
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await self.broadcast(tx)
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await self.ledger.wait(tx)
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await self.blockchain.generate(1)
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await self.ledger.wait(tx)
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self.assertEqual(2, await self.account.get_utxo_count()) # 199 + change
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await self.assertBalance(self.account, '199.99649')
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async def test_sending_and_receiving(self):
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account1, account2 = self.account, self.wallet.generate_account(self.ledger)
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await self.ledger.subscribe_account(account2)
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await self.assertBalance(account1, '0.0')
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await self.assertBalance(account2, '0.0')
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addresses = await account1.receiving.get_addresses()
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txids = await asyncio.gather(*(
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self.blockchain.send_to_address(address, 1.1) for address in addresses[:5]
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))
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await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # mempool
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await self.blockchain.generate(1)
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await asyncio.wait([self.on_transaction_id(txid) for txid in txids]) # confirmed
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await self.assertBalance(account1, '5.5')
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await self.assertBalance(account2, '0.0')
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address2 = await account2.receiving.get_or_create_usable_address()
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tx = await Transaction.create(
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[],
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[Output.pay_pubkey_hash(
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coins_to_satoshis('2.0'), self.ledger.address_to_hash160(address2)
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)],
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[account1], account1
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)
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await self.broadcast(tx)
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await self.ledger.wait(tx) # mempool
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await self.blockchain.generate(1)
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await self.ledger.wait(tx) # confirmed
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await self.assertBalance(account1, '3.499802')
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await self.assertBalance(account2, '2.0')
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utxos = await self.account.get_utxos()
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tx = await Transaction.create(
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[Input.spend(utxos[0])],
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[],
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[account1], account1
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)
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await self.broadcast(tx)
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await self.ledger.wait(tx) # mempool
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await self.blockchain.generate(1)
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await self.ledger.wait(tx) # confirmed
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tx = (await account1.get_transactions(include_is_my_input=True, include_is_my_output=True))[1]
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self.assertEqual(satoshis_to_coins(tx.inputs[0].amount), '1.1')
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self.assertEqual(satoshis_to_coins(tx.inputs[1].amount), '1.1')
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self.assertEqual(satoshis_to_coins(tx.outputs[0].amount), '2.0')
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self.assertEqual(tx.outputs[0].get_address(self.ledger), address2)
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self.assertTrue(tx.outputs[0].is_internal_transfer)
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self.assertTrue(tx.outputs[1].is_internal_transfer)
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async def test_history_edge_cases(self):
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await self.blockchain.generate(300)
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await self.assertBalance(self.account, '0.0')
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address = await self.account.receiving.get_or_create_usable_address()
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# evil trick: mempool is unsorted on real life, but same order between python instances. reproduce it
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original_summary = self.conductor.spv_node.server.bp.mempool.transaction_summaries
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def random_summary(*args, **kwargs):
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summary = original_summary(*args, **kwargs)
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if summary and len(summary) > 2:
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ordered = summary.copy()
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while summary == ordered:
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random.shuffle(summary)
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return summary
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self.conductor.spv_node.server.bp.mempool.transaction_summaries = random_summary
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# 10 unconfirmed txs, all from blockchain wallet
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sends = [self.blockchain.send_to_address(address, 10) for _ in range(10)]
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# use batching to reduce issues with send_to_address on cli
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for batch in range(0, len(sends), 10):
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txids = await asyncio.gather(*sends[batch:batch + 10])
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await asyncio.wait([self.on_transaction_id(txid) for txid in txids])
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remote_status = await self.ledger.network.subscribe_address(address)
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self.assertTrue(await self.ledger.update_history(address, remote_status))
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# 20 unconfirmed txs, 10 from blockchain, 10 from local to local
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utxos = await self.account.get_utxos()
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txs = []
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for utxo in utxos:
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tx = await Transaction.create(
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[Input.spend(utxo)],
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[],
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[self.account], self.account
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)
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await self.broadcast(tx)
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txs.append(tx)
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await asyncio.wait([self.on_transaction_address(tx, address) for tx in txs], timeout=1)
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remote_status = await self.ledger.network.subscribe_address(address)
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self.assertTrue(await self.ledger.update_history(address, remote_status))
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# server history grows unordered
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txid = await self.blockchain.send_to_address(address, 1)
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await self.on_transaction_id(txid)
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self.assertTrue(await self.ledger.update_history(address, remote_status))
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self.assertEqual(21, len((await self.ledger.get_local_status_and_history(address))[1]))
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self.assertEqual(0, len(self.ledger._known_addresses_out_of_sync))
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def wait_for_txid(self, txid, address):
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return self.ledger.on_transaction.where(
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lambda e: e.tx.id == txid and e.address == address
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)
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async def _test_transaction(self, send_amount, address, inputs, change):
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tx = await Transaction.create(
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[], [Output.pay_pubkey_hash(send_amount, self.ledger.address_to_hash160(address))], [self.account],
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self.account
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)
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await self.ledger.broadcast(tx)
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input_amounts = [txi.amount for txi in tx.inputs]
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self.assertListEqual(inputs, input_amounts)
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self.assertEqual(len(inputs), len(tx.inputs))
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self.assertEqual(2, len(tx.outputs))
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self.assertEqual(send_amount, tx.outputs[0].amount)
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self.assertEqual(change, tx.outputs[1].amount)
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return tx
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async def assertSpendable(self, amounts):
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spendable = await self.ledger.db.get_spendable_utxos(
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self.ledger, 2000000000000, [self.account], set_reserved=False, return_insufficient_funds=True
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)
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got_amounts = [estimator.effective_amount for estimator in spendable]
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self.assertListEqual(amounts, got_amounts)
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async def test_sqlite_coin_chooser(self):
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wallet_manager = WalletManager([self.wallet], {self.ledger.get_id(): self.ledger})
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await self.blockchain.generate(300)
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await self.assertBalance(self.account, '0.0')
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address = await self.account.receiving.get_or_create_usable_address()
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other_account = self.wallet.generate_account(self.ledger)
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other_address = await other_account.receiving.get_or_create_usable_address()
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self.ledger.coin_selection_strategy = 'sqlite'
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await self.ledger.subscribe_account(self.account)
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txids = []
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txids.append(await self.blockchain.send_to_address(address, 1.0))
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txids.append(await self.blockchain.send_to_address(address, 1.0))
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txids.append(await self.blockchain.send_to_address(address, 3.0))
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txids.append(await self.blockchain.send_to_address(address, 5.0))
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txids.append(await self.blockchain.send_to_address(address, 10.0))
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await asyncio.wait([self.wait_for_txid(txid, address) for txid in txids], timeout=1)
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await self.assertBalance(self.account, '20.0')
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await self.assertSpendable([99992600, 99992600, 299992600, 499992600, 999992600])
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# send 1.5 lbc
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first_tx = await Transaction.create(
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[], [Output.pay_pubkey_hash(150000000, self.ledger.address_to_hash160(other_address))], [self.account],
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self.account
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)
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self.assertEqual(2, len(first_tx.inputs))
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self.assertEqual(2, len(first_tx.outputs))
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self.assertEqual(100000000, first_tx.inputs[0].amount)
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self.assertEqual(100000000, first_tx.inputs[1].amount)
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self.assertEqual(150000000, first_tx.outputs[0].amount)
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self.assertEqual(49980200, first_tx.outputs[1].amount)
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await self.assertBalance(self.account, '18.0')
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await self.assertSpendable([299992600, 499992600, 999992600])
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await wallet_manager.broadcast_or_release(first_tx, blocking=True)
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await self.assertSpendable([49972800, 299992600, 499992600, 999992600])
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# 0.499, 3.0, 5.0, 10.0
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await self.assertBalance(self.account, '18.499802')
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# send 1.5lbc again
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second_tx = await self._test_transaction(150000000, other_address, [49980200, 300000000], 199960400)
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await self.assertSpendable([499992600, 999992600])
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# replicate cancelling the api call after the tx broadcast while ledger.wait'ing it
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e = asyncio.Event()
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real_broadcast = self.ledger.broadcast
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async def broadcast(tx):
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try:
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return await real_broadcast(tx)
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finally:
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e.set()
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self.ledger.broadcast = broadcast
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broadcast_task = asyncio.create_task(wallet_manager.broadcast_or_release(second_tx, blocking=True))
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# wait for the broadcast to finish
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await e.wait()
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# cancel the api call
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broadcast_task.cancel()
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with self.assertRaises(asyncio.CancelledError):
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await broadcast_task
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# test if sending another 1.5 lbc will try to double spend the inputs from the cancelled tx
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tx1 = await self._test_transaction(150000000, other_address, [500000000], 349987600)
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await self.ledger.wait(tx1, timeout=1)
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# wait for the cancelled transaction too, so that it's in the database
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# needed to keep everything deterministic
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await self.ledger.wait(second_tx, timeout=1)
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await self.assertSpendable([199953000, 349980200, 999992600])
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# spend deep into the mempool and see what else breaks
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tx2 = await self._test_transaction(150000000, other_address, [199960400], 49948000)
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await self.assertSpendable([349980200, 999992600])
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await self.ledger.wait(tx2, timeout=1)
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await self.assertSpendable([49940600, 349980200, 999992600])
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tx3 = await self._test_transaction(150000000, other_address, [49948000, 349987600], 249915800)
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await self.assertSpendable([999992600])
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await self.ledger.wait(tx3, timeout=1)
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await self.assertSpendable([249908400, 999992600])
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tx4 = await self._test_transaction(150000000, other_address, [249915800], 99903400)
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await self.assertSpendable([999992600])
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await self.ledger.wait(tx4, timeout=1)
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await self.assertBalance(self.account, '10.999034')
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await self.assertSpendable([99896000, 999992600])
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# spend more
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tx5 = await self._test_transaction(100000000, other_address, [99903400, 1000000000], 999883600)
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await self.assertSpendable([])
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await self.ledger.wait(tx5, timeout=1)
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await self.assertSpendable([999876200])
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await self.assertBalance(self.account, '9.998836')
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