def get_exchange(exchange_name,
quote_currency=None,
must_authenticate=False,
skip_init=False,
auth_alias=None):
key = (exchange_name, quote_currency)
if key in exchange_cache:
return exchange_cache[key]
exchange_auth = get_exchange_auth(exchange_name, alias=auth_alias)
has_auth = (exchange_auth['key'] != '' and exchange_auth['secret'] != '')
if must_authenticate and not has_auth:
raise ExchangeAuthEmpty(exchange=exchange_name.title(),
filename=os.path.join(
get_exchange_folder(exchange_name),
'auth.json'))
exchange = CCXT(
exchange_name=exchange_name,
key=exchange_auth['key'],
secret=exchange_auth['secret'],
password=exchange_auth['password']
if 'password' in exchange_auth.keys() else '',
quote_currency=quote_currency,
)
exchange_cache[key] = exchange
if not skip_init:
exchange.init()
return exchange
def get_exchange(exchange_name,
base_currency=None,
must_authenticate=False,
skip_init=False):
key = (exchange_name, base_currency)
if key in exchange_cache:
return exchange_cache[key]
exchange_auth = get_exchange_auth(exchange_name)
has_auth = (exchange_auth['key'] != '' and exchange_auth['secret'] != '')
if must_authenticate and not has_auth:
raise ExchangeAuthEmpty(exchange=exchange_name.title(),
filename=os.path.join(
get_exchange_folder(exchange_name),
'auth.json'))
exchange = CCXT(
exchange_name=exchange_name,
key=exchange_auth['key'],
secret=exchange_auth['secret'],
base_currency=base_currency,
)
exchange_cache[key] = exchange
if not skip_init:
exchange.init()
return exchange
def get_exchange(exchange_name, base_currency=None, must_authenticate=False,
skip_init=False, auth_alias=None):
key = (exchange_name, base_currency)
if key in exchange_cache:
return exchange_cache[key]
exchange_auth = get_exchange_auth(exchange_name, alias=auth_alias)
has_auth = (exchange_auth['key'] != '' and exchange_auth['secret'] != '')
if must_authenticate and not has_auth:
raise ExchangeAuthEmpty(
exchange=exchange_name.title(),
filename=os.path.join(
get_exchange_folder(exchange_name), 'auth.json'
)
)
exchange = CCXT(
exchange_name=exchange_name,
key=exchange_auth['key'],
secret=exchange_auth['secret'],
base_currency=base_currency,
)
exchange_cache[key] = exchange
if not skip_init:
exchange.init()
return exchange
def setup(self):
exchange_name = 'bittrex'
auth = get_exchange_auth(exchange_name)
self.exchange = CCXT(
exchange_name=exchange_name,
key=auth['key'],
secret=auth['secret'],
base_currency='usdt',
)
self.exchange.init()
def find_exchanges(features=None, is_authenticated=False):
ccxt_features = []
if features is not None:
for feature in features:
if not feature.endswith('Bundle'):
ccxt_features.append(feature)
exchange_names = []
for exchange_name in ccxt.exchanges:
if is_authenticated:
exchange_auth = get_exchange_auth(exchange_name)
has_auth = (exchange_auth['key'] != ''
and exchange_auth['secret'] != '')
if not has_auth:
continue
log.debug('loading exchange: {}'.format(exchange_name))
exchange = getattr(ccxt, exchange_name)()
if ccxt_features is None:
has_feature = True
else:
try:
has_feature = all(
[exchange.has[feature] for feature in ccxt_features]
)
except Exception:
has_feature = False
if has_feature:
try:
log.info('initializing {}'.format(exchange_name))
exchange_names.append(exchange_name)
except Exception as e:
log.warn(
'unable to initialize exchange {}: {}'.format(
exchange_name, e
)
)
return exchange_names
def find_exchanges(features=None, is_authenticated=False):
ccxt_features = []
if features is not None:
for feature in features:
if not feature.endswith('Bundle'):
ccxt_features.append(feature)
exchange_names = []
for exchange_name in ccxt.exchanges:
if is_authenticated:
exchange_auth = get_exchange_auth(exchange_name)
has_auth = (exchange_auth['key'] != ''
and exchange_auth['secret'] != '')
if not has_auth:
continue
log.debug('loading exchange: {}'.format(exchange_name))
exchange = getattr(ccxt, exchange_name)()
if ccxt_features is None:
has_feature = True
else:
try:
has_feature = all(
[exchange.has[feature] for feature in ccxt_features]
)
except Exception:
has_feature = False
if has_feature:
try:
log.info('initializing {}'.format(exchange_name))
exchange_names.append(exchange_name)
except Exception as e:
log.warn(
'unable to initialize exchange {}: {}'.format(
exchange_name, e
)
)
return exchange_names
