mirror of
https://github.com/bigchaindb/bigchaindb.git
synced 2024-10-13 13:34:05 +00:00
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
"""Custom exceptions used in the `bigchaindb` package.
|
|
"""
|
|
|
|
|
|
class OperationError(Exception):
|
|
"""Raised when an operation cannot go through"""
|
|
|
|
|
|
class TransactionDoesNotExist(Exception):
|
|
"""Raised if the transaction is not in the database"""
|
|
|
|
|
|
class TransactionOwnerError(Exception):
|
|
"""Raised if a user tries to transfer a transaction they don't own"""
|
|
|
|
|
|
class DoubleSpend(Exception):
|
|
"""Raised if a double spend is found"""
|
|
|
|
|
|
class InvalidHash(Exception):
|
|
"""Raised if there was an error checking the hash for a particular operation"""
|
|
|
|
|
|
class InvalidSignature(Exception):
|
|
"""Raised if there was an error checking the signature for a particular operation"""
|
|
|
|
|
|
class DatabaseAlreadyExists(Exception):
|
|
"""Raised when trying to create the database but the db is already there"""
|
|
|
|
|
|
class DatabaseDoesNotExist(Exception):
|
|
"""Raised when trying to delete the database but the db is not there"""
|
|
|
|
|
|
class KeypairNotFoundException(Exception):
|
|
"""Raised if operation cannot proceed because the keypair was not given"""
|
|
|
|
|
|
class KeypairMismatchException(Exception):
|
|
"""Raised if the private key(s) provided for signing don't match any of the curret owner(s)"""
|
|
|
|
|
|
class StartupError(Exception):
|
|
"""Raised when there is an error starting up the system"""
|
|
|
|
|
|
class ImproperVoteError(Exception):
|
|
"""Raised if a vote is not constructed correctly, or signed incorrectly"""
|
|
|
|
|
|
class MultipleVotesError(Exception):
|
|
"""Raised if a voter has voted more than once"""
|
|
|
|
|
|
class GenesisBlockAlreadyExistsError(Exception):
|
|
"""Raised when trying to create the already existing genesis block"""
|
|
|
|
|
|
class CyclicBlockchainError(Exception):
|
|
"""Raised when there is a cycle in the blockchain"""
|