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Merge pull request #3649 from freqtrade/improve_cancel_order_handling 

Better handle cancelled buy orders
This commit is contained in:
Matthias 2020-08-11 19:58:05 +02:00 committed by GitHub
parent 52eae04945 d77c53960d
commit dda78677a0
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 58 additions and 20 deletions
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8
freqtrade/exchange/common.py
View File

@ -107,12 +107,12 @@ def retrier_async(f):
except TemporaryError as ex:
logger.warning('%s() returned exception: "%s"', f.__name__, ex)
if count > 0:
logger.warning('retrying %s() still for %s times', f.__name__, count)
count -= 1
kwargs.update({'count': count})
logger.warning('retrying %s() still for %s times', f.__name__, count)
if isinstance(ex, DDosProtection):
backoff_delay = calculate_backoff(count + 1, API_RETRY_COUNT)
logger.debug(f"Applying DDosProtection backoff delay: {backoff_delay}")
logger.info(f"Applying DDosProtection backoff delay: {backoff_delay}")
await asyncio.sleep(backoff_delay)
return await wrapper(*args, **kwargs)
else:
@ -131,13 +131,13 @@ def retrier(_func=None, retries=API_RETRY_COUNT):
except (TemporaryError, RetryableOrderError) as ex:
logger.warning('%s() returned exception: "%s"', f.__name__, ex)
if count > 0:
logger.warning('retrying %s() still for %s times', f.__name__, count)
count -= 1
kwargs.update({'count': count})
logger.warning('retrying %s() still for %s times', f.__name__, count)
if isinstance(ex, DDosProtection) or isinstance(ex, RetryableOrderError):
# increasing backoff
backoff_delay = calculate_backoff(count + 1, retries)
logger.debug(f"Applying DDosProtection backoff delay: {backoff_delay}")
logger.info(f"Applying DDosProtection backoff delay: {backoff_delay}")
time.sleep(backoff_delay)
return wrapper(*args, **kwargs)
else:

8
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:
@ -1008,7 +1008,7 @@ class Exchange:
return order
@retrier
@retrier(retries=5)
def fetch_order(self, order_id: str, pair: str) -> Dict:
if self._config['dry_run']:
try:
@ -1022,10 +1022,10 @@ class Exchange:
return self._api.fetch_order(order_id, pair)
except ccxt.OrderNotFound as e:
raise RetryableOrderError(
f'Order not found (id: {order_id}). Message: {e}') from e
f'Order not found (pair: {pair} id: {order_id}). Message: {e}') from e
except ccxt.InvalidOrder as e:
raise InvalidOrderException(
f'Tried to get an invalid order (id: {order_id}). Message: {e}') from e
f'Tried to get an invalid order (pair: {pair} id: {order_id}). Message: {e}') from e
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:

2
freqtrade/exchange/ftx.py
View File

@ -78,7 +78,7 @@ class Ftx(Exchange):
except ccxt.BaseError as e:
raise OperationalException(e) from e
@retrier
@retrier(retries=5)
def fetch_stoploss_order(self, order_id: str, pair: str) -> Dict:
if self._config['dry_run']:
try:

8
freqtrade/freqtradebot.py
View File

@ -660,7 +660,7 @@ class FreqtradeBot:
trades_closed += 1
except DependencyException as exception:
logger.warning('Unable to sell trade: %s', exception)
logger.warning('Unable to sell trade %s: %s', trade.pair, exception)
# Updating wallets if any trade occured
if trades_closed:
@ -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

19
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
@ -1896,10 +1896,10 @@ def test_fetch_order(default_conf, mocker, exchange_name):
assert tm.call_args_list[1][0][0] == 2
assert tm.call_args_list[2][0][0] == 5
assert tm.call_args_list[3][0][0] == 10
assert api_mock.fetch_order.call_count == API_RETRY_COUNT + 1
assert api_mock.fetch_order.call_count == 6
ccxt_exceptionhandlers(mocker, default_conf, api_mock, exchange_name,
'fetch_order', 'fetch_order',
'fetch_order', 'fetch_order', retries=6,
order_id='_', pair='TKN/BTC')
@ -1932,6 +1932,7 @@ def test_fetch_stoploss_order(default_conf, mocker, exchange_name):
ccxt_exceptionhandlers(mocker, default_conf, api_mock, exchange_name,
'fetch_stoploss_order', 'fetch_order',
retries=6,
order_id='_', pair='TKN/BTC')
@ -2315,6 +2316,18 @@ def test_calculate_fee_rate(mocker, default_conf, order, expected) -> None:
(3, 3, 1),
(0, 1, 2),
(1, 1, 1),
(0, 4, 17),
(1, 4, 10),
(2, 4, 5),
(3, 4, 2),
(4, 4, 1),
(0, 5, 26),
(1, 5, 17),
(2, 5, 10),
(3, 5, 5),
(4, 5, 2),
(5, 5, 1),
])
def test_calculate_backoff(retrycount, max_retries, expected):
assert calculate_backoff(retrycount, max_retries) == expected

1
tests/exchange/test_ftx.py
View File

@ -154,4 +154,5 @@ def test_fetch_stoploss_order(default_conf, mocker):
ccxt_exceptionhandlers(mocker, default_conf, api_mock, 'ftx',
'fetch_stoploss_order', 'fetch_orders',
retries=6,
order_id='_', pair='TKN/BTC')

32
tests/test_freqtradebot.py
View File

@ -1660,6 +1660,7 @@ def test_exit_positions_exception(mocker, default_conf, limit_buy_order, caplog)
trade = MagicMock()
trade.open_order_id = None
trade.open_fee = 0.001
trade.pair = 'ETH/BTC'
trades = [trade]
# Test raise of DependencyException exception
@ -1669,7 +1670,7 @@ def test_exit_positions_exception(mocker, default_conf, limit_buy_order, caplog)
)
n = freqtrade.exit_positions(trades)
assert n == 0
assert log_has('Unable to sell trade: ', caplog)
assert log_has('Unable to sell trade ETH/BTC: ', caplog)
def test_update_trade_state(mocker, default_conf, limit_buy_order, caplog) -> None:
@ -2025,11 +2026,16 @@ 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
)
@ -2062,7 +2068,7 @@ 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)
@ -2073,7 +2079,9 @@ 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',
@ -2261,7 +2269,10 @@ 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',
@ -2394,7 +2405,11 @@ 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)
@ -2414,9 +2429,12 @@ 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'],