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Merge pull request #2717 from freqtrade/markets_info_nodict

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Check if markets.info is a dict before using it
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hroff-1902 2019-12-27 19:47:56 +03:00 committed by GitHub
commit 56fd714de2
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2 changed files with 12 additions and 3 deletions
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10
freqtrade/exchange/exchange.py
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@ -278,7 +278,15 @@ class Exchange:
raise OperationalException(
f'Pair {pair} is not available on {self.name}. '
f'Please remove {pair} from your whitelist.')
elif self.markets[pair].get('info', {}).get('IsRestricted', False):
# From ccxt Documentation:
# markets.info: An associative array of non-common market properties,
# including fees, rates, limits and other general market information.
# The internal info array is different for each particular market,
# its contents depend on the exchange.
# It can also be a string or similar ... so we need to verify that first.
elif (isinstance(self.markets[pair].get('info', None), dict)
and self.markets[pair].get('info', {}).get('IsRestricted', False)):
# Warn users about restricted pairs in whitelist.
# We cannot determine reliably if Users are affected.
logger.warning(f"Pair {pair} is restricted for some users on this exchange."

5
tests/exchange/test_exchange.py
View File

@ -363,8 +363,9 @@ def test_validate_pairs_exception(default_conf, mocker, caplog):
def test_validate_pairs_restricted(default_conf, mocker, caplog):
api_mock = MagicMock()
type(api_mock).markets = PropertyMock(return_value={
'ETH/BTC': {}, 'LTC/BTC': {}, 'NEO/BTC': {},
'XRP/BTC': {'info': {'IsRestricted': True}}
'ETH/BTC': {}, 'LTC/BTC': {},
'XRP/BTC': {'info': {'IsRestricted': True}},
'NEO/BTC': {'info': 'TestString'}, # info can also be a string ...
})
mocker.patch('freqtrade.exchange.Exchange._init_ccxt', MagicMock(return_value=api_mock))
mocker.patch('freqtrade.exchange.Exchange.validate_timeframes', MagicMock())