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Better handle cancelled buy orders

This commit is contained in:
Matthias 2020-08-01 15:59:50 +02:00
parent f3af02c06f
commit 071e82043a
4 changed files with 31 additions and 8 deletions
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2
freqtrade/exchange/exchange.py
View File

@ -999,7 +999,7 @@ class Exchange:
if self.is_cancel_order_result_suitable(corder):
return corder
except InvalidOrderException:
logger.warning(f"Could not cancel order {order_id}.")
logger.warning(f"Could not cancel order {order_id} for {pair}.")
try:
order = self.fetch_order(order_id, pair)
except InvalidOrderException:

6
freqtrade/freqtradebot.py
View File

@ -976,6 +976,12 @@ class FreqtradeBot:
reason = constants.CANCEL_REASON['TIMEOUT']
corder = self.exchange.cancel_order_with_result(trade.open_order_id, trade.pair,
trade.amount)
# Avoid race condition where the order could not be cancelled coz its already filled.
# Simply bailing here is the only safe way - as this order will then be
# handled in the next iteration.
if corder.get('status') not in ('canceled', 'closed'):
logger.warning(f"Order {trade.open_order_id} for {trade.pair} not cancelled.")
return False
else:
# Order was cancelled already, so we can reuse the existing dict
corder = order

2
tests/exchange/test_exchange.py
View File

@ -1818,7 +1818,7 @@ def test_cancel_order_with_result_error(default_conf, mocker, exchange_name, cap
res = exchange.cancel_order_with_result('1234', 'ETH/BTC', 1541)
assert isinstance(res, dict)
assert log_has("Could not cancel order 1234.", caplog)
assert log_has("Could not cancel order 1234 for ETH/BTC.", caplog)
assert log_has("Could not fetch cancelled order 1234.", caplog)
assert res['amount'] == 1541

29
tests/test_freqtradebot.py
View File

@ -2023,11 +2023,16 @@ def test_check_handle_timedout_buy_usercustom(default_conf, ticker, limit_buy_or
rpc_mock = patch_RPCManager(mocker)
cancel_order_mock = MagicMock(return_value=limit_buy_order_old)
cancel_buy_order = deepcopy(limit_buy_order_old)
cancel_buy_order['status'] = 'canceled'
cancel_order_wr_mock = MagicMock(return_value=cancel_buy_order)
patch_exchange(mocker)
mocker.patch.multiple(
'freqtrade.exchange.Exchange',
fetch_ticker=ticker,
fetch_order=MagicMock(return_value=limit_buy_order_old),
cancel_order_with_result=cancel_order_wr_mock,
cancel_order=cancel_order_mock,
get_fee=fee
)
@ -2060,7 +2065,7 @@ def test_check_handle_timedout_buy_usercustom(default_conf, ticker, limit_buy_or
freqtrade.strategy.check_buy_timeout = MagicMock(return_value=True)
# Trade should be closed since the function returns true
freqtrade.check_handle_timedout()
assert cancel_order_mock.call_count == 1
assert cancel_order_wr_mock.call_count == 1
assert rpc_mock.call_count == 1
trades = Trade.query.filter(Trade.open_order_id.is_(open_trade.open_order_id)).all()
nb_trades = len(trades)
@ -2071,7 +2076,9 @@ def test_check_handle_timedout_buy_usercustom(default_conf, ticker, limit_buy_or
def test_check_handle_timedout_buy(default_conf, ticker, limit_buy_order_old, open_trade,
fee, mocker) -> None:
rpc_mock = patch_RPCManager(mocker)
cancel_order_mock = MagicMock(return_value=limit_buy_order_old)
limit_buy_cancel = deepcopy(limit_buy_order_old)
limit_buy_cancel['status'] = 'canceled'
cancel_order_mock = MagicMock(return_value=limit_buy_cancel)
patch_exchange(mocker)
mocker.patch.multiple(
'freqtrade.exchange.Exchange',
@ -2259,7 +2266,10 @@ def test_check_handle_cancelled_sell(default_conf, ticker, limit_sell_order_old,
def test_check_handle_timedout_partial(default_conf, ticker, limit_buy_order_old_partial,
open_trade, mocker) -> None:
rpc_mock = patch_RPCManager(mocker)
cancel_order_mock = MagicMock(return_value=limit_buy_order_old_partial)
limit_buy_canceled = deepcopy(limit_buy_order_old_partial)
limit_buy_canceled['status'] = 'canceled'
cancel_order_mock = MagicMock(return_value=limit_buy_canceled)
patch_exchange(mocker)
mocker.patch.multiple(
'freqtrade.exchange.Exchange',
@ -2392,7 +2402,11 @@ def test_check_handle_timedout_exception(default_conf, ticker, open_trade, mocke
def test_handle_cancel_buy(mocker, caplog, default_conf, limit_buy_order) -> None:
patch_RPCManager(mocker)
patch_exchange(mocker)
cancel_order_mock = MagicMock(return_value=limit_buy_order)
cancel_buy_order = deepcopy(limit_buy_order)
cancel_buy_order['status'] = 'canceled'
del cancel_buy_order['filled']
cancel_order_mock = MagicMock(return_value=cancel_buy_order)
mocker.patch('freqtrade.exchange.Exchange.cancel_order_with_result', cancel_order_mock)
freqtrade = FreqtradeBot(default_conf)
@ -2412,9 +2426,12 @@ def test_handle_cancel_buy(mocker, caplog, default_conf, limit_buy_order) -> Non
assert not freqtrade.handle_cancel_buy(trade, limit_buy_order, reason)
assert cancel_order_mock.call_count == 1
limit_buy_order['filled'] = 2
mocker.patch('freqtrade.exchange.Exchange.cancel_order', side_effect=InvalidOrderException)
# Order remained open for some reason (cancel failed)
cancel_buy_order['status'] = 'open'
cancel_order_mock = MagicMock(return_value=cancel_buy_order)
mocker.patch('freqtrade.exchange.Exchange.cancel_order_with_result', cancel_order_mock)
assert not freqtrade.handle_cancel_buy(trade, limit_buy_order, reason)
assert log_has_re(r"Order .* for .* not cancelled.", caplog)
@pytest.mark.parametrize("limit_buy_order_canceled_empty", ['binance', 'ftx', 'kraken', 'bittrex'],