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Add fetch_trading_fees endpoint

This commit is contained in:
Matthias 2022-03-26 13:53:36 +01:00
parent 5d3f2523e3
commit 33229c91cb
2 changed files with 79 additions and 0 deletions
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21
freqtrade/exchange/exchange.py
View File

@ -1299,6 +1299,27 @@ class Exchange:
except ccxt.BaseError as e:
raise OperationalException(e) from e
@retrier
def fetch_trading_fees(self) -> Dict[str, Any]:
"""
Fetch user account trading fees
Can be cached, should not update often.
"""
if (self._config['dry_run'] or self.trading_mode != TradingMode.FUTURES
or not self.exchange_has('fetchTradingFees')):
return {}
try:
trading_fees: Dict[str, Any] = self._api.fetch_trading_fees()
self._log_exchange_response('fetch_trading_fees', trading_fees)
return trading_fees
except ccxt.DDoSProtection as e:
raise DDosProtection(e) from e
except (ccxt.NetworkError, ccxt.ExchangeError) as e:
raise TemporaryError(
f'Could not fetch trading fees due to {e.__class__.__name__}. Message: {e}') from e
except ccxt.BaseError as e:
raise OperationalException(e) from e
@retrier
def fetch_bids_asks(self, symbols: List[str] = None, cached: bool = False) -> Dict:
"""

58
tests/exchange/test_exchange.py
View File

@ -1624,6 +1624,64 @@ def test_fetch_positions(default_conf, mocker, exchange_name):
"fetch_positions", "fetch_positions")
def test_fetch_trading_fees(default_conf, mocker):
api_mock = MagicMock()
tick = {
'1INCH/USDT:USDT': {
'info': {'user_id': '6266643',
'taker_fee': '0.0018',
'maker_fee': '0.0018',
'gt_discount': False,
'gt_taker_fee': '0',
'gt_maker_fee': '0',
'loan_fee': '0.18',
'point_type': '1',
'futures_taker_fee': '0.0005',
'futures_maker_fee': '0'},
'symbol': '1INCH/USDT:USDT',
'maker': 0.0,
'taker': 0.0005},
'ETH/USDT:USDT': {
'info': {'user_id': '6266643',
'taker_fee': '0.0018',
'maker_fee': '0.0018',
'gt_discount': False,
'gt_taker_fee': '0',
'gt_maker_fee': '0',
'loan_fee': '0.18',
'point_type': '1',
'futures_taker_fee': '0.0005',
'futures_maker_fee': '0'},
'symbol': 'ETH/USDT:USDT',
'maker': 0.0,
'taker': 0.0005}
}
exchange_name = 'gateio'
default_conf['dry_run'] = False
default_conf['trading_mode'] = TradingMode.FUTURES
default_conf['margin_mode'] = MarginMode.ISOLATED
api_mock.fetch_trading_fees = MagicMock(return_value=tick)
mocker.patch('freqtrade.exchange.Exchange.exchange_has', return_value=True)
exchange = get_patched_exchange(mocker, default_conf, api_mock, id=exchange_name)
# retrieve original ticker
tradingfees = exchange.fetch_trading_fees()
assert '1INCH/USDT:USDT' in tradingfees
assert 'ETH/USDT:USDT' in tradingfees
assert api_mock.fetch_trading_fees.call_count == 1
api_mock.fetch_trading_fees.reset_mock()
ccxt_exceptionhandlers(mocker, default_conf, api_mock, exchange_name,
"fetch_trading_fees", "fetch_trading_fees")
api_mock.fetch_trading_fees = MagicMock(return_value={})
exchange = get_patched_exchange(mocker, default_conf, api_mock, id=exchange_name)
exchange.fetch_trading_fees()
mocker.patch('freqtrade.exchange.Exchange.exchange_has', return_value=True)
assert exchange.fetch_trading_fees() == {}
def test_fetch_bids_asks(default_conf, mocker):
api_mock = MagicMock()
tick = {'ETH/BTC': {