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errors.py
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160 lines (110 loc) · 4.54 KB
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# -*- coding: utf-8 -*-
# MIT License
# Copyright (c) 2017 Igor Kroitor
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# -----------------------------------------------------------------------------
__all__ = [
'BaseError',
'ExchangeError',
'NotSupported',
'AuthenticationError',
'PermissionDenied',
'AccountSuspended',
'InsufficientFunds',
'InvalidOrder',
'OrderNotFound',
'OrderNotCached',
'NetworkError',
'DDoSProtection',
'RequestTimeout',
'ExchangeNotAvailable',
'InvalidNonce',
'InvalidAddress',
'AddressPending',
'BadResponse',
'NullResponse',
'OrderNotFillable',
'OrderImmediatelyFillable',
]
# -----------------------------------------------------------------------------
class BaseError(Exception):
"""Base class for all exceptions"""
pass
class ExchangeError(BaseError):
""""Raised when an exchange server replies with an error in JSON"""
pass
class NotSupported(ExchangeError):
"""Raised if the endpoint is not offered/not yet supported by the exchange API"""
pass
class BadResponse(ExchangeError):
"""Raised if the endpoint returns a bad response from the exchange API"""
pass
class NullResponse(BadResponse):
"""Raised if the endpoint returns a null response from the exchange API"""
pass
class AuthenticationError(ExchangeError):
"""Raised when API credentials are required but missing or wrong"""
pass
class PermissionDenied(AuthenticationError):
"""Raised when API credentials are required but missing or wrong"""
pass
class AccountSuspended(AuthenticationError):
"""Raised when user account has been suspended or deactivated by the exchange"""
pass
class InsufficientFunds(ExchangeError):
"""Raised when you don't have enough currency on your account balance to place an order"""
pass
class InvalidOrder(ExchangeError):
""""Base class for all exceptions related to the unified order API"""
pass
class InvalidAddress(ExchangeError):
"""Raised on invalid funding address"""
pass
class AddressPending(InvalidAddress):
"""Raised when the address requested is pending (not ready yet, retry again later)"""
pass
class OrderNotFound(InvalidOrder):
"""Raised when you are trying to fetch or cancel a non-existent order"""
pass
class OrderNotCached(InvalidOrder):
"""Raised when the order is not found in local cache (where applicable)"""
pass
class CancelPending(InvalidOrder):
"""Raised when an order that is already pending cancel is being canceled again"""
pass
class OrderNotFillable(InvalidOrder):
"""Raised when an order placed as a market order or a taker order is not fillable upon request"""
pass
class OrderImmediatelyFillable(InvalidOrder):
"""Raised when an order placed as maker order is fillable immediately as a taker upon request"""
pass
class NetworkError(BaseError):
"""Base class for all errors related to networking"""
pass
class DDoSProtection(NetworkError):
"""Raised whenever DDoS protection restrictions are enforced per user or region/location"""
pass
class RequestTimeout(NetworkError):
"""Raised when the exchange fails to reply in .timeout time"""
pass
class ExchangeNotAvailable(NetworkError):
"""Raised if a reply from an exchange contains keywords related to maintenance or downtime"""
pass
class InvalidNonce(NetworkError):
"""Raised in case of a wrong or conflicting nonce number in private requests"""
pass
# =============================================================================