forked from LBRYCommunity/lbry-sdk
179 lines
8.4 KiB
Python
179 lines
8.4 KiB
Python
import logging
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import asyncio
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import random
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from itertools import chain
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from random import shuffle
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from torba.testcase import IntegrationTestCase
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from torba.client.util import satoshis_to_coins, coins_to_satoshis
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class BasicTransactionTests(IntegrationTestCase):
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VERBOSITY = logging.WARN
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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 self.ledger.transaction_class.create(
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[],
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[self.ledger.transaction_class.output_class.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 self.ledger.transaction_class.create(
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[],
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[self.ledger.transaction_class.output_class.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 self.ledger.transaction_class.create(
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[],
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[self.ledger.transaction_class.output_class.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 self.ledger.transaction_class.create(
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[self.ledger.transaction_class.input_class.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())[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.assertEqual(tx.outputs[0].is_change, False)
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self.assertEqual(tx.outputs[1].is_change, True)
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async def test_history_edge_cases(self):
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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.mempool.transaction_summaries
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async def random_summary(*args, **kwargs):
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summary = await 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.mempool.transaction_summaries = random_summary
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# 10 unconfirmed txs, all from blockchain wallet
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sends = list(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 self.ledger.transaction_class.create(
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[self.ledger.transaction_class.input_class.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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# should be another test, but it would be too much to setup just for that and it affects sync
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self.assertIsNone(await self.ledger.network.retriable_call(self.ledger.network.get_transaction, '1'*64))
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