lbry-sdk/tests/unit/test_database.py

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from twisted.trial import unittest
from twisted.internet import defer
from torba.wallet import Wallet
from torba.constants import COIN
from torba.coin.bitcoinsegwit import MainNetLedger as ledger_class
from torba.basedatabase import query, constraints_to_sql
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from .test_transaction import get_output, NULL_HASH
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class TestQueryBuilder(unittest.TestCase):
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def test_dot(self):
self.assertEqual(
constraints_to_sql({'txo.position': 18}),
('txo.position = :txo_position', {'txo_position': 18})
)
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def test_any(self):
self.assertEqual(
constraints_to_sql({
'ages__any': {
'txo.age__gt': 18,
'txo.age__lt': 38
}
}),
('(txo.age > :ages__any_txo_age__gt OR txo.age < :ages__any_txo_age__lt)', {
'ages__any_txo_age__gt': 18,
'ages__any_txo_age__lt': 38
})
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)
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def test_in_list(self):
self.assertEqual(
constraints_to_sql({'txo.age__in': [18, 38]}),
('txo.age IN (18, 38)', {})
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)
self.assertEqual(
constraints_to_sql({'txo.age__in': ['abc123', 'def456']}),
("txo.age IN ('abc123', 'def456')", {})
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)
def test_in_query(self):
self.assertEqual(
constraints_to_sql({'txo.age__in': 'SELECT age from ages_table'}),
('txo.age IN (SELECT age from ages_table)', {})
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)
def test_not_in_query(self):
self.assertEqual(
constraints_to_sql({'txo.age__not_in': 'SELECT age from ages_table'}),
('txo.age NOT IN (SELECT age from ages_table)', {})
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)
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='b', b__in='select * from blah where c=:$c',
d__any={'one': 1, 'two': 2}, limit=10, order_by='b', **{'$c': 3}),
(
"select * from foo WHERE a = :a AND "
"b IN (select * from blah where c=:$c) AND "
"(one = :d__any_one OR two = :d__any_two) ORDER BY b LIMIT 10",
{'a': 'b', 'd__any_one': 1, 'd__any_two': 2, '$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", {})
)
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 OFFSET 10 LIMIT 20", {})
)
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class TestQueries(unittest.TestCase):
def setUp(self):
self.ledger = ledger_class({
'db': ledger_class.database_class(':memory:'),
'headers': ledger_class.headers_class(':memory:'),
})
return self.ledger.db.open()
@defer.inlineCallbacks
def create_account(self):
account = self.ledger.account_class.generate(self.ledger, Wallet())
yield account.ensure_address_gap()
return account
@defer.inlineCallbacks
def create_tx_from_nothing(self, my_account, height):
to_address = yield 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, NULL_HASH))]) \
.add_outputs([self.txo(1, to_hash)])
yield self.ledger.db.save_transaction_io('insert', tx, to_address, to_hash, '')
return tx
@defer.inlineCallbacks
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 = yield 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)])
yield self.ledger.db.save_transaction_io('insert', tx, from_address, from_hash, '')
yield self.ledger.db.save_transaction_io('', tx, to_address, to_hash, '')
return tx
@defer.inlineCallbacks
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)])
yield self.ledger.db.save_transaction_io('insert', 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)
@defer.inlineCallbacks
def test_get_transactions(self):
account1 = yield self.create_account()
account2 = yield self.create_account()
tx1 = yield self.create_tx_from_nothing(account1, 1)
tx2 = yield self.create_tx_from_txo(tx1.outputs[0], account2, 2)
tx3 = yield self.create_tx_to_nowhere(tx2.outputs[0], 3)
txs = yield self.ledger.db.get_transactions()
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])
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txs = yield self.ledger.db.get_transactions(account=account1)
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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)
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txs = yield self.ledger.db.get_transactions(account=account2)
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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)
tx = yield self.ledger.db.get_transaction(txid=tx2.id)
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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 = yield self.ledger.db.get_transaction(txid=tx2.id, account=account1)
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self.assertEqual(tx.inputs[0].is_my_account, True)
self.assertEqual(tx.outputs[0].is_my_account, False)
tx = yield self.ledger.db.get_transaction(txid=tx2.id, account=account2)
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self.assertEqual(tx.inputs[0].is_my_account, False)
self.assertEqual(tx.outputs[0].is_my_account, True)