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integration test for sqlite coin chooser

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Jack Robison 2020-06-05 20:05:13 -04:00
parent 17f76c9cb3
commit ae53062518
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2 changed files with 140 additions and 7 deletions
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15
lbry/wallet/database.py
View file

@ -487,6 +487,9 @@ def _get_spendable_utxos(transaction: sqlite3.Connection, accounts: List, decode
txo_query += f"""
AND account_address.account {'= ?' if len(accounts_fmt) == 1 else 'IN (' + accounts_fmt + ')'}
"""
txo_query += """
ORDER BY txo.amount ASC, tx.height DESC
"""
# prefer confirmed, but save unconfirmed utxos from this selection in case they are needed
unconfirmed = []
for row in transaction.execute(txo_query, (floor, ceiling, *accounts)):
@ -526,7 +529,7 @@ def _get_spendable_utxos(transaction: sqlite3.Connection, accounts: List, decode
def get_and_reserve_spendable_utxos(transaction: sqlite3.Connection, accounts: List, amount_to_reserve: int, floor: int,
fee_per_byte: int, set_reserved: bool):
fee_per_byte: int, set_reserved: bool, return_insufficient_funds: bool):
txs = defaultdict(list)
decoded_transactions = {}
reserved = []
@ -550,10 +553,13 @@ def get_and_reserve_spendable_utxos(transaction: sqlite3.Connection, accounts: L
multiplier = 10
# reserve the accumulated txos if enough were found
if reserved_dewies >= amount_to_reserve and set_reserved:
if reserved_dewies >= amount_to_reserve:
if set_reserved:
transaction.executemany("UPDATE txo SET is_reserved = ? WHERE txoid = ?",
[(True, txoid) for txoid in reserved]).fetchall()
return txs
# return_insufficient_funds and set_reserved are used for testing
return txs if return_insufficient_funds else {}
class Database(SQLiteMixin):
@ -757,10 +763,11 @@ class Database(SQLiteMixin):
return True
async def get_spendable_utxos(self, ledger, reserve_amount, accounts: Optional[Iterable], min_amount: int = 100000,
fee_per_byte: int = 50, set_reserved: bool = True) -> List:
fee_per_byte: int = 50, set_reserved: bool = True,
return_insufficient_funds: bool = False) -> List:
to_spend = await self.db.run(
get_and_reserve_spendable_utxos, tuple(account.id for account in accounts), reserve_amount, min_amount,
fee_per_byte, set_reserved
fee_per_byte, set_reserved, return_insufficient_funds
)
txos = []
for (raw, height, verified), positions in to_spend.items():

126
tests/integration/blockchain/test_transactions.py
View file

@ -5,6 +5,7 @@ from itertools import chain
from lbry.wallet.transaction import Transaction, Output, Input
from lbry.testcase import IntegrationTestCase
from lbry.wallet.util import satoshis_to_coins, coins_to_satoshis
from lbry.wallet.manager import WalletManager
class BasicTransactionTests(IntegrationTestCase):
@ -173,3 +174,128 @@ class BasicTransactionTests(IntegrationTestCase):
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))
def wait_for_txid(self, txid, address):
return self.ledger.on_transaction.where(
lambda e: e.tx.id == txid and e.address == address
)
async def _test_transaction(self, send_amount, address, inputs, change):
tx = await Transaction.create(
[], [Output.pay_pubkey_hash(send_amount, self.ledger.address_to_hash160(address))], [self.account],
self.account
)
await self.ledger.broadcast(tx)
input_amounts = [txi.amount for txi in tx.inputs]
self.assertListEqual(inputs, input_amounts)
self.assertEqual(len(inputs), len(tx.inputs))
self.assertEqual(2, len(tx.outputs))
self.assertEqual(send_amount, tx.outputs[0].amount)
self.assertEqual(change, tx.outputs[1].amount)
return tx
async def assertSpendable(self, amounts):
spendable = await self.ledger.db.get_spendable_utxos(
self.ledger, 2000000000000, [self.account], set_reserved=False, return_insufficient_funds=True
)
got_amounts = [estimator.effective_amount for estimator in spendable]
self.assertListEqual(amounts, got_amounts)
async def test_sqlite_coin_chooser(self):
wallet_manager = WalletManager([self.wallet], {self.ledger.get_id(): self.ledger})
await self.blockchain.generate(300)
await self.assertBalance(self.account, '0.0')
address = await self.account.receiving.get_or_create_usable_address()
other_account = self.wallet.generate_account(self.ledger)
other_address = await other_account.receiving.get_or_create_usable_address()
self.ledger.coin_selection_strategy = 'sqlite'
await self.ledger.subscribe_account(self.account)
txids = []
txids.append(await self.blockchain.send_to_address(address, 1.0))
txids.append(await self.blockchain.send_to_address(address, 1.0))
txids.append(await self.blockchain.send_to_address(address, 3.0))
txids.append(await self.blockchain.send_to_address(address, 5.0))
txids.append(await self.blockchain.send_to_address(address, 10.0))
await asyncio.wait([self.wait_for_txid(txid, address) for txid in txids], timeout=1)
await self.assertBalance(self.account, '20.0')
await self.assertSpendable([99992600, 99992600, 299992600, 499992600, 999992600])
# send 1.5 lbc
first_tx = await Transaction.create(
[], [Output.pay_pubkey_hash(150000000, self.ledger.address_to_hash160(other_address))], [self.account],
self.account
)
self.assertEqual(2, len(first_tx.inputs))
self.assertEqual(2, len(first_tx.outputs))
self.assertEqual(100000000, first_tx.inputs[0].amount)
self.assertEqual(100000000, first_tx.inputs[1].amount)
self.assertEqual(150000000, first_tx.outputs[0].amount)
self.assertEqual(49980200, first_tx.outputs[1].amount)
await self.assertBalance(self.account, '18.0')
await self.assertSpendable([299992600, 499992600, 999992600])
await wallet_manager.broadcast_or_release(first_tx, blocking=True)
await self.assertSpendable([49972800, 299992600, 499992600, 999992600])
# 0.499, 3.0, 5.0, 10.0
await self.assertBalance(self.account, '18.499802')
# send 1.5lbc again
second_tx = await self._test_transaction(150000000, other_address, [49980200, 300000000], 199960400)
await self.assertSpendable([499992600, 999992600])
# replicate cancelling the api call after the tx broadcast while ledger.wait'ing it
e = asyncio.Event()
real_broadcast = self.ledger.broadcast
async def broadcast(tx):
try:
return await real_broadcast(tx)
finally:
e.set()
self.ledger.broadcast = broadcast
broadcast_task = asyncio.create_task(wallet_manager.broadcast_or_release(second_tx, blocking=True))
# wait for the broadcast to finish
await e.wait()
# cancel the api call
broadcast_task.cancel()
with self.assertRaises(asyncio.CancelledError):
await broadcast_task
# test if sending another 1.5 lbc will try to double spend the inputs from the cancelled tx
tx1 = await self._test_transaction(150000000, other_address, [500000000], 349987600)
await self.assertSpendable([199953000, 999992600])
await self.ledger.broadcast(tx1)
# spend deep into the mempool and see what else breaks
tx2 = await self._test_transaction(150000000, other_address, [199960400], 49948000)
await self.assertSpendable([349980200, 999992600])
await self.ledger.broadcast(tx2)
tx3 = await self._test_transaction(150000000, other_address, [349987600], 199975200)
await self.assertSpendable([49940600, 999992600])
await self.ledger.broadcast(tx3)
tx4 = await self._test_transaction(150000000, other_address, [49948000, 1000000000], 899928200)
await self.assertSpendable([199967800])
await self.ledger.broadcast(tx4)
await self.ledger.wait(tx4, timeout=1)
await self.assertBalance(self.account, '10.999034')
# spend more
tx5 = await self._test_transaction(100000000, other_address, [199975200], 99962800)
await self.assertSpendable([899920800])
await self.ledger.broadcast(tx5)
await self.assertSpendable([899920800])
await self.ledger.wait(tx5, timeout=1)
await self.assertSpendable([99955400, 899920800])
await self.assertBalance(self.account, '9.99891')