50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
# TODO: use json-rpc module
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class RPCException(Exception):
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"""Base RPC connection error
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"""
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pass
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class JSONRPCException(RPCException):
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"""Base JSON-RPC error
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"""
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pass
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class InitializationError(Exception):
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"""Base error for errors occurring while processing settings
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"""
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pass
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class ExecutionError(Exception):
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"""Base error for transaction execution failures
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"""
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pass
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class SignerMissingException(InitializationError):
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"""Raised when attempting to retrieve a signer when none has been added
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"""
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class RPCNonceException(RPCException):
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"""RPC error for invalid nonce in transaction
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"""
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class DefaultErrorParser:
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"""Base class for parsing RPC error repsonses
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"""
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def translate(self, error):
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"""Interface method called by unspeficied rpc when encountering an error
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This class method should be overriden to provide more fine-grained context for both general and implementation specific errors.
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:param error: RPC error response object
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:type error: dict
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:rtype: chainlib.error.JSONRPCException
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:returns: Descriptiv JSONRPCException
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"""
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return RPCException('default parser code {}'.format(error))
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