mirror of
https://github.com/bigchaindb/bigchaindb.git
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37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
"""Custom exceptions used in the `bigchaindb` package.
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"""
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class OperationError(Exception):
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"""Raised when an operation cannot go through"""
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class TransactionDoesNotExist(Exception):
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"""Raised if the transaction is not in the database"""
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class TransactionOwnerError(Exception):
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"""Raised if a user tries to transfer a transaction they don't own"""
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class DoubleSpend(Exception):
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"""Raised if a double spend is found"""
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class InvalidHash(Exception):
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"""Raised if there was an error checking the hash for a particular operation"""
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class InvalidSignature(Exception):
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"""Raised if there was an error checking the signature for a particular operation"""
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class DatabaseAlreadyExists(Exception):
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"""Raised when trying to create the database but the db is already there"""
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class DatabaseDoesNotExist(Exception):
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"""Raised when trying to delete the database but the db is not there"""
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class KeypairNotFoundException(Exception):
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"""Raised if operation cannot proceed because the keypair was not given"""
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class KeypairMismatchException(Exception):
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"""Raised if the private key(s) provided for signing don't match any of the curret owner(s)"""
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class StartupError(Exception):
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"""Raised when there is an error starting up the system"""
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