async def fetch_currencies(self, params={}):
response = await self.publicGetInfoCoinInfo(params)
if isinstance(response, basestring):
if response.find('site is under maintenance') >= 0:
raise OnMaintenance(
self.id +
' fetchCurrencies() failed to fetch the currencies, the exchange is on maintenance'
)
else:
raise BadResponse(
self.id +
' fetchCurrencies() failed to fetch the currencies')
currencies = self.safe_value(response, 'info')
result = {}
for i in range(0, len(currencies)):
currency = currencies[i]
id = self.safe_string(currency, 'symbol')
# todo: will need to rethink the fees
# to add support for multiple withdrawal/deposit methods and
# differentiated fees for each particular method
code = self.safe_currency_code(id)
precision = 8 # default precision, todo: fix "magic constants"
walletStatus = self.safe_string(currency, 'walletStatus')
active = (walletStatus == 'normal')
name = self.safe_string(currency, 'name')
fee = self.safe_float(currency, 'withdrawFee')
result[code] = {
'id': id,
'code': code,
'info': currency,
'name': name,
'active': active,
'fee': fee,
'precision': precision,
'limits': {
'amount': {
'min': self.safe_float(currency, 'minOrderAmount'),
'max': math.pow(10, precision),
},
'price': {
'min': math.pow(10, -precision),
'max': math.pow(10, precision),
},
'cost': {
'min': self.safe_float(currency, 'minOrderAmount'),
'max': None,
},
'withdraw': {
'min': self.safe_float(currency, 'minWithdrawAmount'),
'max': math.pow(10, precision),
},
'deposit': {
'min': self.safe_float(currency, 'minDepositAmount'),
'max': None,
},
},
}
result = self.append_fiat_currencies(result)
return result
def parse_other_ws(self, reply):
code = reply['code'] if self.key_exists(reply, 'code') else None
if code == 20051:
raise Reconnect('Unsubscribe/subscribe to all channels.')
elif code == 20060:
# TODO handle this issue once unsubscribe feature is added.
raise OnMaintenance('Exchange is undergoing maintenance.' +
' Pause activity for 2 minutes and then' +
' unsubscribe/subscribe all channels.')
if self.key_exists(reply, 'version'):
if reply['version'] == 2:
pass
else:
raise ExchangeError('API version number changed.')