import asyncio import random from itertools import chain from lbry.wallet.transaction import Transaction, Output, Input from lbry.testcase import IntegrationTestCase from lbry.wallet.client.util import satoshis_to_coins, coins_to_satoshis class BasicTransactionTests(IntegrationTestCase): 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 Transaction.create( [], [Output.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 Transaction.create( [], [Output.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 account1.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 Transaction.create( [], [Output.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 Transaction.create( [Input.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.assertFalse(tx.outputs[0].is_change) self.assertTrue(tx.outputs[1].is_change) 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 = [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 Transaction.create( [Input.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))