mirror of
https://github.com/bigchaindb/bigchaindb.git
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75 lines
1.9 KiB
Python
75 lines
1.9 KiB
Python
"""Custom exceptions used in the `bigchaindb` package.
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"""
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class ConfigurationError(Exception):
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"""Raised when there is a problem with server configuration"""
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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
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operation"""
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class InvalidSignature(Exception):
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"""Raised if there was an error checking the signature for a particular
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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
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current 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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class ImproperVoteError(Exception):
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"""Raised if a vote is not constructed correctly, or signed incorrectly"""
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class MultipleVotesError(Exception):
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"""Raised if a voter has voted more than once"""
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class GenesisBlockAlreadyExistsError(Exception):
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"""Raised when trying to create the already existing genesis block"""
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class CyclicBlockchainError(Exception):
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"""Raised when there is a cycle in the blockchain"""
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class FulfillmentNotInValidBlock(Exception):
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"""Raised when a transaction depends on an invalid or undecided
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fulfillment"""
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