def handle_errors(self, code, reason, url, method, headers, body):
response = None
try:
response = json.loads(body)
except Exception as e:
# syntax error, resort to default error handler
return
if 'error' in response:
error = response['error']
feedback = self.id + ' ' + self.json(response)
if error == 'Invalid order number, or you are not the person who placed the order.':
raise OrderNotFound(feedback)
elif error == 'Internal error. Please try again.':
raise ExchangeNotAvailable(feedback)
elif error == 'Order not found, or you are not the person who placed it.':
raise OrderNotFound(feedback)
elif error == 'Invalid API key/secret pair.':
raise AuthenticationError(feedback)
elif error == 'Please do not make more than 8 API calls per second.':
raise DDoSProtection(feedback)
elif error.find('Total must be at least') >= 0:
raise InvalidOrder(feedback)
elif error.find('Not enough') >= 0:
raise InsufficientFunds(feedback)
elif error.find('Nonce must be greater') >= 0:
raise InvalidNonce(feedback)
elif error.find(
'You have already called cancelOrder or moveOrder on self order.'
) >= 0:
raise CancelPending(feedback)
else:
raise ExchangeError(self.id + ': unknown error: ' +
self.json(response))
async def withdraw(self, currency, amount, address, tag=None, params={}):
# Sometimes the response with be {key: null} for all keys.
# An example is if you attempt to withdraw more than is allowed when withdrawal fees are considered.
await self.load_markets()
self.check_address(address)
wallet = address
if tag is not None:
wallet += '::' + tag
withdrawal = {
'amount': self.truncate(
amount, self.currencies[currency]
['precision']), # throws an error when amount is too precise
'currency': self.common_currency_code(currency),
'wallet': wallet,
}
response = await self.privatePostPaymentOutCoin(
self.extend(withdrawal, params))
id = self.safe_integer(response, 'id')
if id is None:
raise InsufficientFunds(
self.id +
' insufficient funds to cover requested withdrawal amount post fees '
+ self.json(response))
return {
'info': response,
'id': id,
}
def handle_errors(self, code, reason, url, method, headers, body):
if body.find('Invalid order') >= 0:
raise InvalidOrder(self.id + ' ' + body)
if body.find('Invalid nonce') >= 0:
raise InvalidNonce(self.id + ' ' + body)
if body.find('Insufficient funds') >= 0:
raise InsufficientFunds(self.id + ' ' + body)
if body.find('Cancel pending') >= 0:
raise CancelPending(self.id + ' ' + body)
if body.find('Invalid arguments:volume') >= 0:
raise InvalidOrder(self.id + ' ' + body)
def handle_errors(self, code, reason, url, method, headers, body):
if code == 400:
if body[0] == '{':
response = json.loads(body)
if 'error' in response:
if 'message' in response['error']:
message = response['error']['message']
if message == 'Order not found':
raise OrderNotFound(self.id + ' order not found in active orders')
elif message == 'Quantity not a valid number':
raise InvalidOrder(self.id + ' ' + body)
elif message == 'Insufficient funds':
raise InsufficientFunds(self.id + ' ' + body)
elif message == 'Duplicate clientOrderId':
raise InvalidOrder(self.id + ' ' + body)
raise ExchangeError(self.id + ' ' + body)
async def request(self,
path,
api='public',
method='GET',
params={},
headers=None,
body=None):
response = await self.fetch2(path, api, method, params, headers, body)
if 'code' in response:
if 'ExecutionReport' in response:
if response['ExecutionReport'][
'orderRejectReason'] == 'orderExceedsLimit':
raise InsufficientFunds(self.id + ' ' +
self.json(response))
raise ExchangeError(self.id + ' ' + self.json(response))
return response
def request(self,
path,
api='public',
method='GET',
params={},
headers=None,
body=None):
response = self.fetch2(path, api, method, params, headers, body)
if response:
if 'Success' in response:
if response['Success']:
return response
elif 'Error' in response:
if response['Error'] == 'Insufficient Funds.':
raise InsufficientFunds(self.id + ' ' +
self.json(response))
raise ExchangeError(self.id + ' ' + self.json(response))
def handle_errors(self,
code,
reason,
url,
method,
headers,
body,
response=None):
# {success: 0, error: "invalid order."}
# or
# [{data, ...}, {...}, ...]
if response is None:
if body[0] == '{' or body[0] == '[':
response = json.loads(body)
if isinstance(response, list):
return # public endpoints may return []-arrays
if not ('success' in list(response.keys())):
return # no 'success' property on public responses
if response['success'] == 1:
# {success: 1, return: {orders: []}}
if not ('return' in list(response.keys())):
raise ExchangeError(self.id + ': malformed response: ' +
self.json(response))
else:
return
message = response['error']
feedback = self.id + ' ' + self.json(response)
if message == 'Insufficient balance.':
raise InsufficientFunds(feedback)
elif message == 'invalid order.':
raise OrderNotFound(feedback) # cancelOrder(1)
elif message.find('Minimum price ') >= 0:
raise InvalidOrder(
feedback
) # price < limits.price.min, on createLimitBuyOrder('ETH/BTC', 1, 0)
elif message.find('Minimum order ') >= 0:
raise InvalidOrder(
feedback
) # cost < limits.cost.min on createLimitBuyOrder('ETH/BTC', 0, 1)
elif message == 'Invalid credentials. API not found or session has expired.':
raise AuthenticationError(feedback) # on bad apiKey
elif message == 'Invalid credentials. Bad sign.':
raise AuthenticationError(feedback) # on bad secret
raise ExchangeError(self.id + ': unknown error: ' +
self.json(response))
def handle_errors(self, code, reason, url, method, headers, body):
if (code == 400) or (code == 404):
if body[0] == '{':
response = json.loads(body)
message = response['message']
error = self.id + ' ' + message
if message.find('price too small') >= 0:
raise InvalidOrder(error)
elif message.find('price too precise') >= 0:
raise InvalidOrder(error)
elif message == 'Insufficient funds':
raise InsufficientFunds(error)
elif message == 'NotFound':
raise OrderNotFound(error)
elif message == 'Invalid API Key':
raise AuthenticationError(error)
raise ExchangeError(self.id + ' ' + message)
raise ExchangeError(self.id + ' ' + body)
def request(self,
path,
api='public',
method='GET',
params={},
headers=None,
body=None):
response = self.fetch2(path, api, method, params, headers, body)
if response:
if 'message' in response:
if response['message'].find(
'not enough exchange balance') >= 0:
raise InsufficientFunds(self.id + ' ' +
self.json(response))
raise ExchangeError(self.id + ' ' + self.json(response))
return response
elif response == '':
raise ExchangeError(self.id + ' returned empty response')
return response
def throw_exception_on_error(self, response):
#
# API endpoints return the following formats
# {success: False, code: "ERROR", msg: "Min price:100.0"}
# {success: True, code: "OK", msg: "Operation succeeded."}
#
# Web OHLCV endpoint returns self:
# {s: "ok", o: [], h: [], l: [], c: [], v: []}
#
# This particular method handles API responses only
#
if not ('success' in list(response.keys())):
return
if response['success'] is True:
return # not an error
if not ('code' in list(response.keys())) or not ('msg' in list(
response.keys())):
raise ExchangeError(self.id + ': malformed response: ' +
self.json(response))
code = self.safe_string(response, 'code')
message = self.safe_string(response, 'msg')
feedback = self.id + ' ' + self.json(response)
if code == 'UNAUTH':
if message == 'Invalid nonce':
raise InvalidNonce(feedback)
raise AuthenticationError(feedback)
elif code == 'ERROR':
if message.find('The precision of amount') >= 0:
raise InvalidOrder(
feedback) # amount violates precision.amount
if message.find('Min amount each order') >= 0:
raise InvalidOrder(feedback) # amount < limits.amount.min
if message.find('Min price:') >= 0:
raise InvalidOrder(feedback) # price < limits.price.min
if message.find('The precision of price') >= 0:
raise InvalidOrder(feedback) # price violates precision.price
elif code == 'NO_BALANCE':
if message.find('Insufficient balance') >= 0:
raise InsufficientFunds(feedback)
raise ExchangeError(self.id + ': unknown response: ' +
self.json(response))
def request(self,
path,
api='public',
method='GET',
params={},
headers=None,
body=None):
response = self.fetch2(path, api, method, params, headers, body)
if 'success' in response:
if not response['success']:
if response['error'].find(
'Insufficient funds'
) >= 0: # not enougTh is a typo inside Liqui's own API...
raise InsufficientFunds(self.id + ' ' +
self.json(response))
elif response['error'] == 'Requests too often':
raise DDoSProtection(self.id + ' ' + self.json(response))
elif (response['error'] == 'not available') or (
response['error'] == 'external service unavailable'):
raise DDoSProtection(self.id + ' ' + self.json(response))
else:
raise ExchangeError(self.id + ' ' + self.json(response))
return response
def handle_errors(self, code, reason, url, method, headers, body):
if code == 200:
if body[0] != '{':
# response is not JSON -> resort to default error handler
return
response = json.loads(body)
if 'success' in response:
if not response['success']:
error = self.safe_string(response, 'error')
if not error:
raise ExchangeError(self.id +
' returned a malformed error: ' +
body)
if error == 'no orders':
# returned by fetchOpenOrders if no open orders(fix for #489) -> not an error
return
feedback = self.id + ' ' + self.json(response)
messages = self.exceptions['messages']
if error in messages:
raise messages[error](feedback)
if error.find('It is not enough') >= 0:
raise InsufficientFunds(feedback)
else:
raise ExchangeError(feedback)
