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109 lines (73 loc) · 2.27 KB
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# --------------------------------------------------------------------
# Copyright (c) iEXBase. All rights reserved.
# Licensed under the MIT License.
# See License.txt in the project root for license information.
# --------------------------------------------------------------------
class TronError(Exception):
"""Base class for TronAPI exceptions."""
class InvalidTronError(TronError):
"""Raised Tron Error"""
class FallbackNotFound(Exception):
"""
Raised when fallback function doesn't exist in contract.
"""
pass
class MismatchedABI(Exception):
"""
Raised when an ABI does not match with supplied parameters, or when an
attempt is made to access a function/event that does not exist in the ABI.
"""
pass
class InvalidAddress(ValueError):
"""
The supplied address does not have a valid checksum, as defined in EIP-55
"""
pass
class NoABIFunctionsFound(AttributeError):
"""
Raised when an ABI doesn't contain any functions.
"""
pass
class ValidationError(Exception):
"""
Raised when a supplied value is invalid.
"""
pass
class TransportError(TronError):
"""Base exception for transport related errors.
This is mainly for cases where the status code denotes an HTTP error, and
for cases in which there was a connection error.
"""
@property
def status_code(self):
return self.args[0]
@property
def error(self):
return self.args[1]
@property
def info(self):
return self.args[2]
@property
def url(/sitelet?url=https%3A%2F%2Fgithub.com%2Fconst-tmp%2Ftron-api-python%2Fblob%2Fmaster%2Ftronapi%2Fself):
return self.args[3]
class HttpError(TransportError):
"""Exception for errors occurring when connecting, and/or making a request"""
class BadRequest(TransportError):
"""Exception for HTTP 400 errors."""
class NotFoundError(TransportError):
"""Exception for HTTP 404 errors."""
class ServiceUnavailable(TransportError):
"""Exception for HTTP 503 errors."""
class GatewayTimeout(TransportError):
"""Exception for HTTP 503 errors."""
class TimeExhausted(Exception):
"""
Raised when a method has not retrieved the desired result within a specified timeout.
"""
pass
HTTP_EXCEPTIONS = {
400: BadRequest,
404: NotFoundError,
503: ServiceUnavailable,
504: GatewayTimeout,
}