116 lines
3.2 KiB
Python
116 lines
3.2 KiB
Python
# Copyright © 2020 Interplanetary Database Association e.V.,
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# BigchainDB and IPDB software contributors.
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# SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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# Code is Apache-2.0 and docs are CC-BY-4.0
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"""Custom exceptions used in the `bigchaindb` package.
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"""
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from bigchaindb.exceptions import BigchainDBError
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class ConfigurationError(BigchainDBError):
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"""Raised when there is a problem with server configuration"""
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class DatabaseDoesNotExist(BigchainDBError):
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"""Raised when trying to delete the database but the db is not there"""
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class StartupError(BigchainDBError):
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"""Raised when there is an error starting up the system"""
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class CyclicBlockchainError(BigchainDBError):
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"""Raised when there is a cycle in the blockchain"""
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class KeypairMismatchException(BigchainDBError):
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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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"""
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class OperationError(BigchainDBError):
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"""Raised when an operation cannot go through"""
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################################################################################
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# Validation errors
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#
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# All validation errors (which are handleable errors, not faults) should
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# subclass ValidationError. However, where possible they should also have their
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# own distinct type to differentiate them from other validation errors,
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# especially for the purposes of testing.
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class ValidationError(BigchainDBError):
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"""Raised if there was an error in validation"""
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class DoubleSpend(ValidationError):
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"""Raised if a double spend is found"""
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class InvalidHash(ValidationError):
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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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"""
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class SchemaValidationError(ValidationError):
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"""Raised if there was any error validating an object's schema"""
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class InvalidSignature(ValidationError):
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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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"""
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class AssetIdMismatch(ValidationError):
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"""Raised when multiple transaction inputs related to different assets"""
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class AmountError(ValidationError):
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"""Raised when there is a problem with a transaction's output amounts"""
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class InputDoesNotExist(ValidationError):
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"""Raised if a transaction input does not exist"""
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class TransactionOwnerError(ValidationError):
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"""Raised if a user tries to transfer a transaction they don't own"""
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class DuplicateTransaction(ValidationError):
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"""Raised if a duplicated transaction is found"""
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class ThresholdTooDeep(ValidationError):
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"""Raised if threshold condition is too deep"""
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class MultipleValidatorOperationError(ValidationError):
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"""Raised when a validator update pending but new request is submited"""
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class MultipleInputsError(ValidationError):
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"""Raised if there were multiple inputs when only one was expected"""
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class InvalidProposer(ValidationError):
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"""Raised if the public key is not a part of the validator set"""
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class UnequalValidatorSet(ValidationError):
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"""Raised if the validator sets differ"""
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class InvalidPowerChange(ValidationError):
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"""Raised if proposed power change in validator set is >=1/3 total power"""
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class InvalidPublicKey(ValidationError):
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"""Raised if public key doesn't match the encoding type"""
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