forked from LBRYCommunity/lbry-sdk
566 lines
No EOL
26 KiB
Python
566 lines
No EOL
26 KiB
Python
import sys
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import os
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import unittest
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import sqlite3
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import tempfile
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import asyncio
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from concurrent.futures.thread import ThreadPoolExecutor
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from sqlalchemy import Column, Text
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from lbry.wallet import (
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Wallet, Account, Ledger, Headers, Transaction, Input
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)
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from lbry.db import Table, Version, Database, metadata
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from lbry.wallet.constants import COIN
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from lbry.wallet.database import query, interpolate, constraints_to_sql, AIOSQLite
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from lbry.crypto.hash import sha256
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from lbry.testcase import AsyncioTestCase
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from tests.unit.wallet.test_transaction import get_output, NULL_HASH
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class TestAIOSQLite(AsyncioTestCase):
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async def asyncSetUp(self):
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self.db = await AIOSQLite.connect(':memory:')
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await self.db.executescript("""
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pragma foreign_keys=on;
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create table parent (id integer primary key, name);
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create table child (id integer primary key, parent_id references parent);
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""")
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await self.db.execute("insert into parent values (1, 'test')")
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await self.db.execute("insert into child values (2, 1)")
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@staticmethod
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def delete_item(transaction):
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transaction.execute('delete from parent where id=1')
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async def test_foreign_keys_integrity_error(self):
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self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
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with self.assertRaises(sqlite3.IntegrityError):
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await self.db.run(self.delete_item)
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self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
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await self.db.executescript("pragma foreign_keys=off;")
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await self.db.run(self.delete_item)
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self.assertListEqual([], await self.db.execute_fetchall("select * from parent"))
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async def test_run_without_foreign_keys(self):
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self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
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await self.db.run_with_foreign_keys_disabled(self.delete_item)
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self.assertListEqual([], await self.db.execute_fetchall("select * from parent"))
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async def test_integrity_error_when_foreign_keys_disabled_and_skipped(self):
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await self.db.executescript("pragma foreign_keys=off;")
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self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
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with self.assertRaises(sqlite3.IntegrityError):
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await self.db.run_with_foreign_keys_disabled(self.delete_item)
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self.assertListEqual([(1, 'test')], await self.db.execute_fetchall("select * from parent"))
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class TestQueryBuilder(unittest.TestCase):
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def test_dot(self):
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self.assertTupleEqual(
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constraints_to_sql({'txo.position': 18}),
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('txo.position = :txo_position0', {'txo_position0': 18})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.position#6': 18}),
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('txo.position = :txo_position6', {'txo_position6': 18})
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)
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def test_any(self):
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self.assertTupleEqual(
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constraints_to_sql({
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'ages__any': {
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'txo.age__gt': 18,
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'txo.age__lt': 38
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}
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}),
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('(txo.age > :ages__any0_txo_age__gt0 OR txo.age < :ages__any0_txo_age__lt0)', {
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'ages__any0_txo_age__gt0': 18,
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'ages__any0_txo_age__lt0': 38
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})
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)
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def test_in(self):
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self.assertTupleEqual(
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constraints_to_sql({'txo.age__in#2': [18, 38]}),
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('txo.age IN (:txo_age__in2_0, :txo_age__in2_1)', {
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'txo_age__in2_0': 18,
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'txo_age__in2_1': 38
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.name__in': ('abc123', 'def456')}),
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('txo.name IN (:txo_name__in0_0, :txo_name__in0_1)', {
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'txo_name__in0_0': 'abc123',
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'txo_name__in0_1': 'def456'
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.name__in': {'abc123'}}),
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('txo.name = :txo_name__in0', {
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'txo_name__in0': 'abc123',
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.age__in': 'SELECT age from ages_table'}),
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('txo.age IN (SELECT age from ages_table)', {})
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)
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def test_not_in(self):
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self.assertTupleEqual(
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constraints_to_sql({'txo.age__not_in': [18, 38]}),
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('txo.age NOT IN (:txo_age__not_in0_0, :txo_age__not_in0_1)', {
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'txo_age__not_in0_0': 18,
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'txo_age__not_in0_1': 38
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.name__not_in': ('abc123', 'def456')}),
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('txo.name NOT IN (:txo_name__not_in0_0, :txo_name__not_in0_1)', {
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'txo_name__not_in0_0': 'abc123',
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'txo_name__not_in0_1': 'def456'
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.name__not_in': ('abc123',)}),
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('txo.name != :txo_name__not_in0', {
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'txo_name__not_in0': 'abc123',
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})
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)
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self.assertTupleEqual(
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constraints_to_sql({'txo.age__not_in': 'SELECT age from ages_table'}),
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('txo.age NOT IN (SELECT age from ages_table)', {})
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)
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def test_in_invalid(self):
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with self.assertRaisesRegex(ValueError, 'list, set or string'):
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constraints_to_sql({'ages__in': 9})
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def test_query(self):
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self.assertTupleEqual(
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query("select * from foo"),
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("select * from foo", {})
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)
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self.assertTupleEqual(
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query(
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"select * from foo",
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a__not='b', b__in='select * from blah where c=:$c',
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d__any={'one__like': 'o', 'two': 2}, limit=10, order_by='b', **{'$c': 3}),
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(
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"select * from foo WHERE a != :a__not0 AND "
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"b IN (select * from blah where c=:$c) AND "
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"(one LIKE :d__any0_one__like0 OR two = :d__any0_two0) ORDER BY b LIMIT 10",
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{'a__not0': 'b', 'd__any0_one__like0': 'o', 'd__any0_two0': 2, '$c': 3}
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)
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)
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def test_query_order_by(self):
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self.assertTupleEqual(
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query("select * from foo", order_by='foo'),
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("select * from foo ORDER BY foo", {})
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)
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self.assertTupleEqual(
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query("select * from foo", order_by=['foo', 'bar']),
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("select * from foo ORDER BY foo, bar", {})
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)
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with self.assertRaisesRegex(ValueError, 'order_by must be string or list'):
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query("select * from foo", order_by={'foo': 'bar'})
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def test_query_limit_offset(self):
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self.assertTupleEqual(
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query("select * from foo", limit=10),
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("select * from foo LIMIT 10", {})
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)
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self.assertTupleEqual(
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query("select * from foo", offset=10),
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("select * from foo OFFSET 10", {})
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)
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self.assertTupleEqual(
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query("select * from foo", limit=20, offset=10),
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("select * from foo LIMIT 20 OFFSET 10", {})
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)
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def test_query_interpolation(self):
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self.maxDiff = None
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# tests that interpolation replaces longer keys first
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self.assertEqual(
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interpolate(*query(
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"select * from foo",
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a__not='b', b__in='select * from blah where c=:$c',
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d__any={'one__like': 'o', 'two': 2},
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a0=3, a00=1, a00a=2, a00aa=4, # <-- breaks without correct interpolation key order
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ahash=sha256(b'hello world'),
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limit=10, order_by='b', **{'$c': 3})
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),
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"select * from foo WHERE a != 'b' AND "
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"b IN (select * from blah where c=3) AND "
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"(one LIKE 'o' OR two = 2) AND "
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"a0 = 3 AND a00 = 1 AND a00a = 2 AND a00aa = 4 "
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"AND ahash = X'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9' "
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"ORDER BY b LIMIT 10"
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)
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class TestQueries(AsyncioTestCase):
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async def asyncSetUp(self):
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self.ledger = Ledger({
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'db': Database('sqlite:///:memory:'),
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'headers': Headers(':memory:')
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})
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self.wallet = Wallet()
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await self.ledger.db.open()
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async def asyncTearDown(self):
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await self.ledger.db.close()
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async def create_account(self, wallet=None):
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account = Account.generate(self.ledger, wallet or self.wallet)
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await account.ensure_address_gap()
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return account
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async def create_tx_from_nothing(self, my_account, height):
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to_address = await my_account.receiving.get_or_create_usable_address()
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to_hash = Ledger.address_to_hash160(to_address)
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tx = Transaction(height=height, is_verified=True) \
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.add_inputs([self.txi(self.txo(1, sha256(str(height).encode())))]) \
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.add_outputs([self.txo(1, to_hash)])
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await self.ledger.db.insert_transaction(tx)
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await self.ledger.db.save_transaction_io(tx, to_address, to_hash, '')
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return tx
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async def create_tx_from_txo(self, txo, to_account, height):
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from_hash = txo.script.values['pubkey_hash']
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from_address = self.ledger.hash160_to_address(from_hash)
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to_address = await to_account.receiving.get_or_create_usable_address()
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to_hash = Ledger.address_to_hash160(to_address)
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tx = Transaction(height=height, is_verified=True) \
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.add_inputs([self.txi(txo)]) \
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.add_outputs([self.txo(1, to_hash)])
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await self.ledger.db.insert_transaction(tx)
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await self.ledger.db.save_transaction_io(tx, from_address, from_hash, '')
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await self.ledger.db.save_transaction_io(tx, to_address, to_hash, '')
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return tx
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async def create_tx_to_nowhere(self, txo, height):
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from_hash = txo.script.values['pubkey_hash']
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from_address = self.ledger.hash160_to_address(from_hash)
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to_hash = NULL_HASH
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tx = Transaction(height=height, is_verified=True) \
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.add_inputs([self.txi(txo)]) \
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.add_outputs([self.txo(1, to_hash)])
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await self.ledger.db.insert_transaction(tx)
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await self.ledger.db.save_transaction_io(tx, from_address, from_hash, '')
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return tx
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def txo(self, amount, address):
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return get_output(int(amount*COIN), address)
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def txi(self, txo):
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return Input.spend(txo)
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async def test_large_tx_doesnt_hit_variable_limits(self):
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# SQLite is usually compiled with 999 variables limit: https://www.sqlite.org/limits.html
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# This can be removed when there is a better way. See: https://github.com/lbryio/lbry-sdk/issues/2281
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fetchall = self.ledger.db.execute_fetchall
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def check_parameters_length(sql, parameters=None):
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self.assertLess(len(parameters or []), 999)
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return fetchall(sql, parameters)
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self.ledger.db.execute_fetchall = check_parameters_length
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account = await self.create_account()
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tx = await self.create_tx_from_nothing(account, 0)
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for height in range(1, 1200):
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tx = await self.create_tx_from_txo(tx.outputs[0], account, height=height)
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variable_limit = self.ledger.db.MAX_QUERY_VARIABLES
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for limit in range(variable_limit - 2, variable_limit + 2):
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txs = await self.ledger.get_transactions(
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accounts=self.wallet.accounts, limit=limit, order_by='height asc')
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self.assertEqual(len(txs), limit)
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inputs, outputs, last_tx = set(), set(), txs[0]
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for tx in txs[1:]:
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self.assertEqual(len(tx.inputs), 1)
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self.assertEqual(tx.inputs[0].txo_ref.tx_ref.id, last_tx.id)
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self.assertEqual(len(tx.outputs), 1)
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last_tx = tx
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async def test_queries(self):
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wallet1 = Wallet()
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account1 = await self.create_account(wallet1)
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self.assertEqual(26, await self.ledger.db.get_address_count(accounts=[account1]))
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wallet2 = Wallet()
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account2 = await self.create_account(wallet2)
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account3 = await self.create_account(wallet2)
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self.assertEqual(26, await self.ledger.db.get_address_count(accounts=[account2]))
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self.assertEqual(0, await self.ledger.db.get_transaction_count(accounts=[account1, account2, account3]))
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self.assertEqual(0, await self.ledger.db.get_utxo_count())
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self.assertListEqual([], await self.ledger.db.get_utxos())
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self.assertEqual(0, await self.ledger.db.get_txo_count())
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self.assertEqual(0, await self.ledger.db.get_balance(wallet=wallet1))
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self.assertEqual(0, await self.ledger.db.get_balance(wallet=wallet2))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account3]))
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tx1 = await self.create_tx_from_nothing(account1, 1)
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self.assertEqual(1, await self.ledger.db.get_transaction_count(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_transaction_count(accounts=[account2]))
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self.assertEqual(1, await self.ledger.db.get_utxo_count(accounts=[account1]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_txo_count(accounts=[account2]))
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self.assertEqual(10**8, await self.ledger.db.get_balance(wallet=wallet1))
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self.assertEqual(0, await self.ledger.db.get_balance(wallet=wallet2))
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self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account3]))
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tx2 = await self.create_tx_from_txo(tx1.outputs[0], account2, 2)
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tx2b = await self.create_tx_from_nothing(account3, 2)
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self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account1]))
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self.assertEqual(1, await self.ledger.db.get_transaction_count(accounts=[account2]))
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self.assertEqual(1, await self.ledger.db.get_transaction_count(accounts=[account3]))
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self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account1]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
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self.assertEqual(1, await self.ledger.db.get_utxo_count(accounts=[account2]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account2]))
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self.assertEqual(1, await self.ledger.db.get_utxo_count(accounts=[account3]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account3]))
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self.assertEqual(0, await self.ledger.db.get_balance(wallet=wallet1))
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self.assertEqual(10**8+10**8, await self.ledger.db.get_balance(wallet=wallet2))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
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self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account2]))
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self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account3]))
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tx3 = await self.create_tx_to_nowhere(tx2.outputs[0], 3)
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self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account1]))
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self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account2]))
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self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account1]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_utxo_count(accounts=[account2]))
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self.assertEqual(1, await self.ledger.db.get_txo_count(accounts=[account2]))
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self.assertEqual(0, await self.ledger.db.get_balance(wallet=wallet1))
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self.assertEqual(10**8, await self.ledger.db.get_balance(wallet=wallet2))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account1]))
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self.assertEqual(0, await self.ledger.db.get_balance(accounts=[account2]))
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self.assertEqual(10**8, await self.ledger.db.get_balance(accounts=[account3]))
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txs = await self.ledger.db.get_transactions(accounts=[account1, account2])
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self.assertListEqual([tx3.id, tx2.id, tx1.id], [tx.id for tx in txs])
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self.assertListEqual([3, 2, 1], [tx.height for tx in txs])
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txs = await self.ledger.db.get_transactions(wallet=wallet1, accounts=wallet1.accounts, include_is_my_output=True)
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self.assertListEqual([tx2.id, tx1.id], [tx.id for tx in txs])
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self.assertEqual(txs[0].inputs[0].is_my_input, True)
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self.assertEqual(txs[0].outputs[0].is_my_output, False)
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self.assertEqual(txs[1].inputs[0].is_my_input, False)
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self.assertEqual(txs[1].outputs[0].is_my_output, True)
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txs = await self.ledger.db.get_transactions(wallet=wallet2, accounts=[account2], include_is_my_output=True)
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self.assertListEqual([tx3.id, tx2.id], [tx.id for tx in txs])
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self.assertEqual(txs[0].inputs[0].is_my_input, True)
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self.assertEqual(txs[0].outputs[0].is_my_output, False)
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self.assertEqual(txs[1].inputs[0].is_my_input, False)
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self.assertEqual(txs[1].outputs[0].is_my_output, True)
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self.assertEqual(2, await self.ledger.db.get_transaction_count(accounts=[account2]))
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tx = await self.ledger.db.get_transaction(tx_hash=tx2.hash)
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self.assertEqual(tx.id, tx2.id)
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self.assertIsNone(tx.inputs[0].is_my_input)
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self.assertIsNone(tx.outputs[0].is_my_output)
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tx = await self.ledger.db.get_transaction(wallet=wallet1, tx_hash=tx2.hash, include_is_my_output=True)
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self.assertTrue(tx.inputs[0].is_my_input)
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|
self.assertFalse(tx.outputs[0].is_my_output)
|
|
tx = await self.ledger.db.get_transaction(wallet=wallet2, tx_hash=tx2.hash, include_is_my_output=True)
|
|
self.assertFalse(tx.inputs[0].is_my_input)
|
|
self.assertTrue(tx.outputs[0].is_my_output)
|
|
|
|
# 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.assertListEqual([0, 3, 2, 2, 1], [txo.tx_ref.height for txo in txos])
|
|
self.assertListEqual([tx4.id, tx3.id, tx2.id, tx2b.id, tx1.id], [txo.tx_ref.id for txo in txos])
|
|
txs = await self.ledger.db.get_transactions(accounts=[account1, account2])
|
|
self.assertListEqual([0, 3, 2, 1], [tx.height for tx in txs])
|
|
self.assertListEqual([tx4.id, tx3.id, tx2.id, tx1.id], [tx.id for tx in txs])
|
|
|
|
async def test_empty_history(self):
|
|
self.assertEqual((None, []), await self.ledger.get_local_status_and_history(''))
|
|
|
|
|
|
class TestUpgrade(AsyncioTestCase):
|
|
|
|
def setUp(self) -> None:
|
|
self.path = tempfile.mktemp()
|
|
|
|
def tearDown(self) -> None:
|
|
os.remove(self.path)
|
|
|
|
def get_version(self):
|
|
with sqlite3.connect(self.path) as conn:
|
|
versions = conn.execute('select version from version').fetchall()
|
|
assert len(versions) == 1
|
|
return versions[0][0]
|
|
|
|
def get_tables(self):
|
|
with sqlite3.connect(self.path) as conn:
|
|
sql = "SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;"
|
|
return [col[0] for col in conn.execute(sql).fetchall()]
|
|
|
|
def add_address(self, address):
|
|
with sqlite3.connect(self.path) as conn:
|
|
conn.execute("""
|
|
INSERT INTO account_address (address, account, chain, n, pubkey, chain_code, depth)
|
|
VALUES (?, 'account1', 0, 0, 'pubkey', 'chain_code', 0)
|
|
""", (address,))
|
|
|
|
def get_addresses(self):
|
|
with sqlite3.connect(self.path) as conn:
|
|
sql = "SELECT address FROM account_address ORDER BY address;"
|
|
return [col[0] for col in conn.execute(sql).fetchall()]
|
|
|
|
async def test_reset_on_version_change(self):
|
|
self.ledger = Ledger({
|
|
'db': Database('sqlite:///'+self.path),
|
|
'headers': Headers(':memory:')
|
|
})
|
|
|
|
# initial open, pre-version enabled db
|
|
self.ledger.db.SCHEMA_VERSION = None
|
|
self.assertListEqual(self.get_tables(), [])
|
|
await self.ledger.db.open()
|
|
metadata.drop_all(self.ledger.db.engine, [Version]) # simulate pre-version table db
|
|
self.assertEqual(self.get_tables(), ['account_address', 'block', 'pubkey_address', 'tx', 'txi', 'txo'])
|
|
self.assertListEqual(self.get_addresses(), [])
|
|
self.add_address('address1')
|
|
await self.ledger.db.close()
|
|
|
|
# initial open after version enabled
|
|
self.ledger.db.SCHEMA_VERSION = '1.0'
|
|
await self.ledger.db.open()
|
|
self.assertEqual(self.get_version(), '1.0')
|
|
self.assertListEqual(self.get_tables(), ['account_address', 'block', 'pubkey_address', 'tx', 'txi', 'txo', 'version'])
|
|
self.assertListEqual(self.get_addresses(), []) # address1 deleted during version upgrade
|
|
self.add_address('address2')
|
|
await self.ledger.db.close()
|
|
|
|
# nothing changes
|
|
self.assertEqual(self.get_version(), '1.0')
|
|
self.assertListEqual(self.get_tables(), ['account_address', 'block', 'pubkey_address', 'tx', 'txi', 'txo', 'version'])
|
|
await self.ledger.db.open()
|
|
self.assertEqual(self.get_version(), '1.0')
|
|
self.assertListEqual(self.get_tables(), ['account_address', 'block', 'pubkey_address', 'tx', 'txi', 'txo', 'version'])
|
|
self.assertListEqual(self.get_addresses(), ['address2'])
|
|
await self.ledger.db.close()
|
|
|
|
# upgrade version, database reset
|
|
foo = Table('foo', metadata, Column('bar', Text, primary_key=True))
|
|
self.addCleanup(metadata.remove, foo)
|
|
self.ledger.db.SCHEMA_VERSION = '1.1'
|
|
await self.ledger.db.open()
|
|
self.assertEqual(self.get_version(), '1.1')
|
|
self.assertListEqual(self.get_tables(), ['account_address', 'block', 'foo', 'pubkey_address', 'tx', 'txi', 'txo', 'version'])
|
|
self.assertListEqual(self.get_addresses(), []) # all tables got reset
|
|
await self.ledger.db.close()
|
|
|
|
|
|
class TestSQLiteRace(AsyncioTestCase):
|
|
max_misuse_attempts = 40000
|
|
|
|
def setup_db(self):
|
|
self.db = sqlite3.connect(":memory:", isolation_level=None)
|
|
self.db.executescript(
|
|
"create table test1 (id text primary key not null, val text);\n" +
|
|
"create table test2 (id text primary key not null, val text);\n" +
|
|
"\n".join(f"insert into test1 values ({v}, NULL);" for v in range(1000))
|
|
)
|
|
|
|
async def asyncSetUp(self):
|
|
self.executor = ThreadPoolExecutor(1)
|
|
await self.loop.run_in_executor(self.executor, self.setup_db)
|
|
|
|
async def asyncTearDown(self):
|
|
await self.loop.run_in_executor(self.executor, self.db.close)
|
|
self.executor.shutdown()
|
|
|
|
async def test_binding_param_0_error(self):
|
|
# test real param 0 binding errors
|
|
|
|
for supported_type in [str, int, bytes]:
|
|
await self.loop.run_in_executor(
|
|
self.executor, self.db.executemany, "insert into test2 values (?, NULL)",
|
|
[(supported_type(1), ), (supported_type(2), )]
|
|
)
|
|
await self.loop.run_in_executor(
|
|
self.executor, self.db.execute, "delete from test2 where id in (1, 2)"
|
|
)
|
|
for unsupported_type in [lambda x: (x, ), lambda x: [x], lambda x: {x}]:
|
|
try:
|
|
await self.loop.run_in_executor(
|
|
self.executor, self.db.executemany, "insert into test2 (id, val) values (?, NULL)",
|
|
[(unsupported_type(1), ), (unsupported_type(2), )]
|
|
)
|
|
self.assertTrue(False)
|
|
except sqlite3.InterfaceError as err:
|
|
self.assertEqual(str(err), "Error binding parameter 0 - probably unsupported type.")
|
|
|
|
async def test_unhandled_sqlite_misuse(self):
|
|
# test SQLITE_MISUSE being incorrectly raised as a param 0 binding error
|
|
attempts = 0
|
|
python_version = sys.version.split('\n')[0].rstrip(' ')
|
|
|
|
try:
|
|
while attempts < self.max_misuse_attempts:
|
|
f1 = asyncio.wrap_future(
|
|
self.loop.run_in_executor(
|
|
self.executor, self.db.executemany, "update test1 set val='derp' where id=?",
|
|
((str(i),) for i in range(2))
|
|
)
|
|
)
|
|
f2 = asyncio.wrap_future(
|
|
self.loop.run_in_executor(
|
|
self.executor, self.db.executemany, "update test2 set val='derp' where id=?",
|
|
((str(i),) for i in range(2))
|
|
)
|
|
)
|
|
attempts += 1
|
|
await asyncio.gather(f1, f2)
|
|
print(f"\nsqlite3 {sqlite3.version}/python {python_version} "
|
|
f"did not raise SQLITE_MISUSE within {attempts} attempts of the race condition")
|
|
self.assertTrue(False, 'this test failing means either the sqlite race conditions '
|
|
'have been fixed in cpython or the test max_attempts needs to be increased')
|
|
except sqlite3.InterfaceError as err:
|
|
self.assertEqual(str(err), "Error binding parameter 0 - probably unsupported type.")
|
|
print(f"\nsqlite3 {sqlite3.version}/python {python_version} raised SQLITE_MISUSE "
|
|
f"after {attempts} attempts of the race condition")
|
|
|
|
@unittest.SkipTest
|
|
async def test_fetchall_prevents_sqlite_misuse(self):
|
|
# test that calling fetchall sufficiently avoids the race
|
|
attempts = 0
|
|
|
|
def executemany_fetchall(query, params):
|
|
self.db.executemany(query, params).fetchall()
|
|
|
|
while attempts < self.max_misuse_attempts:
|
|
f1 = asyncio.wrap_future(
|
|
self.loop.run_in_executor(
|
|
self.executor, executemany_fetchall, "update test1 set val='derp' where id=?",
|
|
((str(i),) for i in range(2))
|
|
)
|
|
)
|
|
f2 = asyncio.wrap_future(
|
|
self.loop.run_in_executor(
|
|
self.executor, executemany_fetchall, "update test2 set val='derp' where id=?",
|
|
((str(i),) for i in range(2))
|
|
)
|
|
)
|
|
attempts += 1
|
|
await asyncio.gather(f1, f2) |