lbry-sdk/torba/tests/client_tests/unit/test_database.py
2019-08-12 10:22:14 -04:00

356 lines
16 KiB
Python

import unittest
import sqlite3
from torba.client.wallet import Wallet
from torba.client.constants import COIN
from torba.coin.bitcoinsegwit import MainNetLedger as ledger_class
from torba.client.basedatabase import query, interpolate, constraints_to_sql, AIOSQLite
from torba.client.hash import sha256
from torba.testcase import AsyncioTestCase
from client_tests.unit.test_transaction import get_output, NULL_HASH
class TestAIOSQLite(AsyncioTestCase):
async def asyncSetUp(self):
self.db = await AIOSQLite.connect(':memory:')
await self.db.executescript("""
pragma foreign_keys=on;
create table parent (id integer primary key, name);
create table child (id integer primary key, parent_id references parent);
""")
await self.db.execute("insert into parent values (1, 'test')")
await self.db.execute("insert into child values (2, 1)")
@staticmethod
def delete_item(transaction):
transaction.execute('delete from parent where id=1')
async def test_foreign_keys_integrity_error(self):
self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
with self.assertRaises(sqlite3.IntegrityError):
await self.db.run(self.delete_item)
self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
await self.db.executescript("pragma foreign_keys=off;")
await self.db.run(self.delete_item)
self.assertListEqual([], await self.db.execute_fetchall("select * from parent"))
async def test_run_without_foreign_keys(self):
self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
await self.db.run_with_foreign_keys_disabled(self.delete_item)
self.assertListEqual([], await self.db.execute_fetchall("select * from parent"))
async def test_integrity_error_when_foreign_keys_disabled_and_skipped(self):
await self.db.executescript("pragma foreign_keys=off;")
self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
with self.assertRaises(sqlite3.IntegrityError):
await self.db.run_with_foreign_keys_disabled(self.delete_item)
self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
class TestQueryBuilder(unittest.TestCase):
def test_dot(self):
self.assertEqual(
constraints_to_sql({'txo.position': 18}),
('txo.position = :txo_position0', {'txo_position0': 18})
)
self.assertEqual(
constraints_to_sql({'txo.position#6': 18}),
('txo.position = :txo_position6', {'txo_position6': 18})
)
def test_any(self):
self.assertEqual(
constraints_to_sql({
'ages__any': {
'txo.age__gt': 18,
'txo.age__lt': 38
}
}),
('(txo.age > :ages__any0_txo_age__gt0 OR txo.age < :ages__any0_txo_age__lt0)', {
'ages__any0_txo_age__gt0': 18,
'ages__any0_txo_age__lt0': 38
})
)
def test_in(self):
self.assertEqual(
constraints_to_sql({'txo.age__in#2': [18, 38]}),
('txo.age IN (:txo_age__in2_0, :txo_age__in2_1)', {
'txo_age__in2_0': 18,
'txo_age__in2_1': 38
})
)
self.assertEqual(
constraints_to_sql({'txo.name__in': ('abc123', 'def456')}),
('txo.name IN (:txo_name__in0_0, :txo_name__in0_1)', {
'txo_name__in0_0': 'abc123',
'txo_name__in0_1': 'def456'
})
)
self.assertEqual(
constraints_to_sql({'txo.age__in': 'SELECT age from ages_table'}),
('txo.age IN (SELECT age from ages_table)', {})
)
def test_not_in(self):
self.assertEqual(
constraints_to_sql({'txo.age__not_in': [18, 38]}),
('txo.age NOT IN (:txo_age__not_in0_0, :txo_age__not_in0_1)', {
'txo_age__not_in0_0': 18,
'txo_age__not_in0_1': 38
})
)
self.assertEqual(
constraints_to_sql({'txo.name__not_in': ('abc123', 'def456')}),
('txo.name NOT IN (:txo_name__not_in0_0, :txo_name__not_in0_1)', {
'txo_name__not_in0_0': 'abc123',
'txo_name__not_in0_1': 'def456'
})
)
self.assertEqual(
constraints_to_sql({'txo.age__not_in': 'SELECT age from ages_table'}),
('txo.age NOT IN (SELECT age from ages_table)', {})
)
def test_in_invalid(self):
with self.assertRaisesRegex(ValueError, 'list, set or string'):
constraints_to_sql({'ages__in': 9})
def test_query(self):
self.assertEqual(
query("select * from foo"),
("select * from foo", {})
)
self.assertEqual(
query(
"select * from foo",
a__not='b', b__in='select * from blah where c=:$c',
d__any={'one__like': 'o', 'two': 2}, limit=10, order_by='b', **{'$c': 3}),
(
"select * from foo WHERE a != :a__not0 AND "
"b IN (select * from blah where c=:$c) AND "
"(one LIKE :d__any0_one__like0 OR two = :d__any0_two0) ORDER BY b LIMIT 10",
{'a__not0': 'b', 'd__any0_one__like0': 'o', 'd__any0_two0': 2, '$c': 3}
)
)
def test_query_order_by(self):
self.assertEqual(
query("select * from foo", order_by='foo'),
("select * from foo ORDER BY foo", {})
)
self.assertEqual(
query("select * from foo", order_by=['foo', 'bar']),
("select * from foo ORDER BY foo, bar", {})
)
with self.assertRaisesRegex(ValueError, 'order_by must be string or list'):
query("select * from foo", order_by={'foo': 'bar'})
def test_query_limit_offset(self):
self.assertEqual(
query("select * from foo", limit=10),
("select * from foo LIMIT 10", {})
)
self.assertEqual(
query("select * from foo", offset=10),
("select * from foo OFFSET 10", {})
)
self.assertEqual(
query("select * from foo", limit=20, offset=10),
("select * from foo LIMIT 20 OFFSET 10", {})
)
def test_query_interpolation(self):
self.maxDiff = None
# tests that interpolation replaces longer keys first
self.assertEqual(
interpolate(*query(
"select * from foo",
a__not='b', b__in='select * from blah where c=:$c',
d__any={'one__like': 'o', 'two': 2},
a0=3, a00=1, a00a=2, a00aa=4, # <-- breaks without correct interpolation key order
ahash=memoryview(sha256(b'hello world')),
limit=10, order_by='b', **{'$c': 3})
),
"select * from foo WHERE a != 'b' AND "
"b IN (select * from blah where c=3) AND "
"(one LIKE 'o' OR two = 2) AND "
"a0 = 3 AND a00 = 1 AND a00a = 2 AND a00aa = 4 "
"AND ahash = X'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9' "
"ORDER BY b LIMIT 10",
)
class TestQueries(AsyncioTestCase):
async def asyncSetUp(self):
self.ledger = ledger_class({
'db': ledger_class.database_class(':memory:'),
'headers': ledger_class.headers_class(':memory:'),
})
await self.ledger.db.open()
async def asyncTearDown(self):
await self.ledger.db.close()
async def create_account(self):
account = self.ledger.account_class.generate(self.ledger, Wallet())
await account.ensure_address_gap()
return account
async def create_tx_from_nothing(self, my_account, height):
to_address = await my_account.receiving.get_or_create_usable_address()
to_hash = ledger_class.address_to_hash160(to_address)
tx = ledger_class.transaction_class(height=height, is_verified=True) \
.add_inputs([self.txi(self.txo(1, sha256(str(height).encode())))]) \
.add_outputs([self.txo(1, to_hash)])
await self.ledger.db.insert_transaction(tx)
await self.ledger.db.save_transaction_io(tx, to_address, to_hash, '')
return tx
async def create_tx_from_txo(self, txo, to_account, height):
from_hash = txo.script.values['pubkey_hash']
from_address = self.ledger.hash160_to_address(from_hash)
to_address = await to_account.receiving.get_or_create_usable_address()
to_hash = ledger_class.address_to_hash160(to_address)
tx = ledger_class.transaction_class(height=height, is_verified=True) \
.add_inputs([self.txi(txo)]) \
.add_outputs([self.txo(1, to_hash)])
await self.ledger.db.insert_transaction(tx)
await self.ledger.db.save_transaction_io(tx, from_address, from_hash, '')
await self.ledger.db.save_transaction_io(tx, to_address, to_hash, '')
return tx
async def create_tx_to_nowhere(self, txo, height):
from_hash = txo.script.values['pubkey_hash']
from_address = self.ledger.hash160_to_address(from_hash)
to_hash = NULL_HASH
tx = ledger_class.transaction_class(height=height, is_verified=True) \
.add_inputs([self.txi(txo)]) \
.add_outputs([self.txo(1, to_hash)])
await self.ledger.db.insert_transaction(tx)
await self.ledger.db.save_transaction_io(tx, from_address, from_hash, '')
return tx
def txo(self, amount, address):
return get_output(int(amount*COIN), address)
def txi(self, txo):
return ledger_class.transaction_class.input_class.spend(txo)
async def test_large_tx_doesnt_hit_variable_limits(self):
# SQLite is usually compiled with 999 variables limit: https://www.sqlite.org/limits.html
# This can be removed when there is a better way. See: https://github.com/lbryio/lbry-sdk/issues/2281
fetchall = self.ledger.db.db.execute_fetchall
def check_parameters_length(sql, parameters):
self.assertLess(len(parameters or []), 999)
return fetchall(sql, parameters)
self.ledger.db.db.execute_fetchall = check_parameters_length
account = await self.create_account()
tx = await self.create_tx_from_nothing(account, 0)
for height in range(1200):
tx = await self.create_tx_from_txo(tx.outputs[0], account, height=height)
variable_limit = self.ledger.db.MAX_QUERY_VARIABLES
for limit in range(variable_limit-2, variable_limit+2):
txs = await self.ledger.get_transactions(limit=limit, order_by='height asc')
self.assertEqual(len(txs), limit)
inputs, outputs, last_tx = set(), set(), txs[0]
for tx in txs[1:]:
self.assertEqual(len(tx.inputs), 1)
self.assertEqual(tx.inputs[0].txo_ref.tx_ref.id, last_tx.id)
self.assertEqual(len(tx.outputs), 1)
last_tx = tx
async def test_queries(self):
self.assertEqual(0, await self.ledger.db.get_address_count())
account1 = await self.create_account()
self.assertEqual(26, await self.ledger.db.get_address_count())
account2 = await self.create_account()
self.assertEqual(52, await self.ledger.db.get_address_count())
self.assertEqual(0, await self.ledger.db.get_transaction_count(accounts=[account1, account2]))
self.assertEqual(0, await self.ledger.db.get_utxo_count())
self.assertEqual([], await self.ledger.db.get_utxos())
self.assertEqual(0, await self.ledger.db.get_txo_count())
self.assertEqual(0, await self.ledger.db.get_balance())
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
tx1 = await self.create_tx_from_nothing(account1, 1)
self.assertEqual(1, await self.ledger.db.get_transaction_count(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_transaction_count(accounts=[account2]))
self.assertEqual(1, await self.ledger.db.get_utxo_count(accounts=[account1]))
self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_txo_count(accounts=[account2]))
self.assertEqual(10**8, await self.ledger.db.get_balance())
self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
tx2 = await self.create_tx_from_txo(tx1.outputs[0], account2, 2)
self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account1]))
self.assertEqual(1, await self.ledger.db.get_transaction_count(accounts=[account2]))
self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account1]))
self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
self.assertEqual(1, await self.ledger.db.get_utxo_count(accounts=[account2]))
self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account2]))
self.assertEqual(10**8, await self.ledger.db.get_balance())
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account2]))
tx3 = await self.create_tx_to_nowhere(tx2.outputs[0], 3)
self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account1]))
self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account2]))
self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account1]))
self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account2]))
self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account2]))
self.assertEqual(0, await self.ledger.db.get_balance())
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
txs = await self.ledger.db.get_transactions(accounts=[account1, account2])
self.assertEqual([tx3.id, tx2.id, tx1.id], [tx.id for tx in txs])
self.assertEqual([3, 2, 1], [tx.height for tx in txs])
txs = await self.ledger.db.get_transactions(accounts=[account1])
self.assertEqual([tx2.id, tx1.id], [tx.id for tx in txs])
self.assertEqual(txs[0].inputs[0].is_my_account, True)
self.assertEqual(txs[0].outputs[0].is_my_account, False)
self.assertEqual(txs[1].inputs[0].is_my_account, False)
self.assertEqual(txs[1].outputs[0].is_my_account, True)
txs = await self.ledger.db.get_transactions(accounts=[account2])
self.assertEqual([tx3.id, tx2.id], [tx.id for tx in txs])
self.assertEqual(txs[0].inputs[0].is_my_account, True)
self.assertEqual(txs[0].outputs[0].is_my_account, False)
self.assertEqual(txs[1].inputs[0].is_my_account, False)
self.assertEqual(txs[1].outputs[0].is_my_account, True)
self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account2]))
tx = await self.ledger.db.get_transaction(txid=tx2.id)
self.assertEqual(tx.id, tx2.id)
self.assertEqual(tx.inputs[0].is_my_account, False)
self.assertEqual(tx.outputs[0].is_my_account, False)
tx = await self.ledger.db.get_transaction(txid=tx2.id, accounts=[account1])
self.assertEqual(tx.inputs[0].is_my_account, True)
self.assertEqual(tx.outputs[0].is_my_account, False)
tx = await self.ledger.db.get_transaction(txid=tx2.id, accounts=[account2])
self.assertEqual(tx.inputs[0].is_my_account, False)
self.assertEqual(tx.outputs[0].is_my_account, True)
# height 0 sorted to the top with the rest in descending order
tx4 = await self.create_tx_from_nothing(account1, 0)
txos = await self.ledger.db.get_txos()
self.assertEqual([0, 2, 1], [txo.tx_ref.height for txo in txos])
self.assertEqual([tx4.id, tx2.id, tx1.id], [txo.tx_ref.id for txo in txos])
txs = await self.ledger.db.get_transactions(accounts=[account1, account2])
self.assertEqual([0, 3, 2, 1], [tx.height for tx in txs])
self.assertEqual([tx4.id, tx3.id, tx2.id, tx1.id], [tx.id for tx in txs])