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25 lines
800 B
Python
25 lines
800 B
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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