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66 lines
2.4 KiB
66 lines
2.4 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Exceptions.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <exception>
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#include <string>
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#include <boost/exception/all.hpp>
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#include <boost/throw_exception.hpp>
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#include "CommonData.h"
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#include "FixedHash.h"
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namespace dev
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{
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/// Base class for all exceptions.
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struct Exception: virtual std::exception, virtual boost::exception
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{
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Exception(std::string _message = std::string()): m_message(std::move(_message)) {}
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const char* what() const noexcept override { return m_message.empty() ? std::exception::what() : m_message.c_str(); }
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private:
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std::string m_message;
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};
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#define DEV_SIMPLE_EXCEPTION(X) struct X: virtual Exception { const char* what() const noexcept override { return #X; } }
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/// Base class for all RLP exceptions.
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struct RLPException: virtual Exception { RLPException(std::string _message = std::string()): Exception(_message) {} };
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#define DEV_SIMPLE_EXCEPTION_RLP(X) struct X: virtual RLPException { const char* what() const noexcept override { return #X; } }
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DEV_SIMPLE_EXCEPTION_RLP(BadCast);
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DEV_SIMPLE_EXCEPTION_RLP(BadRLP);
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DEV_SIMPLE_EXCEPTION_RLP(OversizeRLP);
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DEV_SIMPLE_EXCEPTION_RLP(UndersizeRLP);
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DEV_SIMPLE_EXCEPTION(BadHexCharacter);
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struct ExternalFunctionFailure: virtual Exception { public: ExternalFunctionFailure(std::string _f): Exception("Function " + _f + "() failed.") {} };
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// error information to be added to exceptions
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using errinfo_invalidSymbol = boost::error_info<struct tag_invalidSymbol, char>;
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using errinfo_comment = boost::error_info<struct tag_comment, std::string>;
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using errinfo_required = boost::error_info<struct tag_required, bigint>;
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using errinfo_got = boost::error_info<struct tag_got, bigint>;
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using RequirementError = boost::tuple<errinfo_required, errinfo_got>;
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}
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