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35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
import os
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from catalyst.exchange.ccxt.ccxt_exchange import CCXT
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from catalyst.exchange.exchange_errors import ExchangeAuthEmpty
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from catalyst.exchange.exchange_utils import get_exchange_auth, \
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get_exchange_folder
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def get_exchange(exchange_name, base_currency=None, must_authenticate=False):
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exchange_auth = get_exchange_auth(exchange_name)
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has_auth = (exchange_auth['key'] != '' and exchange_auth['secret'] != '')
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if must_authenticate and not has_auth:
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raise ExchangeAuthEmpty(
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exchange=exchange_name.title(),
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filename=os.path.join(
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get_exchange_folder(exchange_name), 'auth.json'
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)
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)
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return CCXT(
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exchange_name=exchange_name,
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key=exchange_auth['key'],
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secret=exchange_auth['secret'],
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base_currency=base_currency,
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)
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def get_exchanges(exchange_names):
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exchanges = dict()
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for exchange_name in exchange_names:
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exchanges[exchange_name] = get_exchange(exchange_name)
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return exchanges
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