stable/freqtrade/exceptions.py

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class FreqtradeException(Exception):
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"""
Freqtrade base exception. Handled at the outermost level.
All other exception types are subclasses of this exception type.
"""
class OperationalException(FreqtradeException):
"""
Requires manual intervention and will stop the bot.
Most of the time, this is caused by an invalid Configuration.
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"""
class DependencyException(FreqtradeException):
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"""
Indicates that an assumed dependency is not met.
This could happen when there is currently not enough money on the account.
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"""
class PricingError(DependencyException):
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"""
Subclass of DependencyException.
Indicates that the price could not be determined.
Implicitly a buy / sell operation.
"""
class InvalidOrderException(FreqtradeException):
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"""
This is returned when the order is not valid. Example:
If stoploss on exchange order is hit, then trying to cancel the order
should return this exception.
"""
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class RetryableOrderError(InvalidOrderException):
"""
This is returned when the order is not found.
This Error will be repeated with increasing backof (in line with DDosError).
"""
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class ExchangeError(DependencyException):
"""
Error raised out of the exchange.
Has multiple Errors to determine the appropriate error.
"""
class TemporaryError(ExchangeError):
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"""
Temporary network or exchange related error.
This could happen when an exchange is congested, unavailable, or the user
has networking problems. Usually resolves itself after a time.
"""
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class DDosProtection(TemporaryError):
"""
Temporary error caused by DDOS protection.
Bot will wait for a second and then retry.
"""
class StrategyError(FreqtradeException):
"""
Errors with custom user-code deteced.
Usually caused by errors in the strategy.
"""