github.com/muhammedhassanm/blockchain@v0.0.0-20200120143007-697261defd4d/sawtooth-core-master/sdk/python/sawtooth_sdk/processor/exceptions.py (about)

     1  # Copyright 2016 Intel Corporation
     2  #
     3  # Licensed under the Apache License, Version 2.0 (the "License");
     4  # you may not use this file except in compliance with the License.
     5  # You may obtain a copy of the License at
     6  #
     7  #     http://www.apache.org/licenses/LICENSE-2.0
     8  #
     9  # Unless required by applicable law or agreed to in writing, software
    10  # distributed under the License is distributed on an "AS IS" BASIS,
    11  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  # See the License for the specific language governing permissions and
    13  # limitations under the License.
    14  # ------------------------------------------------------------------------------
    15  
    16  
    17  class _TpResponseError(Exception):
    18      """Parent class for errors that will be parsed and sent to a validator.
    19  
    20      Args:
    21          message (str): Standard error message to be logged or sent back
    22          extended_data (bytes, optional): Byte-encoded data to be parsed later
    23              by the app developer. Opaque to the validator and Sawtooth.
    24      """
    25  
    26      def __init__(self, message, extended_data=None):
    27          super().__init__(message)
    28  
    29          if extended_data is not None and not isinstance(extended_data, bytes):
    30              raise TypeError("extended_data must be byte-encoded")
    31          self.extended_data = extended_data
    32  
    33  
    34  class InvalidTransaction(_TpResponseError):
    35      """Raised for an Invalid Transaction."""
    36      pass
    37  
    38  
    39  class InternalError(_TpResponseError):
    40      """Raised when an internal error occurs during transaction processing."""
    41      pass
    42  
    43  
    44  class AuthorizationException(Exception):
    45      """Raised when a authorization error occurs."""
    46      pass
    47  
    48  
    49  class LocalConfigurationError(Exception):
    50      """Raised when a log configuraiton error occurs."""
    51      pass