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76 lines
2.3 KiB
76 lines
2.3 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 ContractCallDataEncoder.h
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* @author Yann yann@ethdev.com
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* @date 2014
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* Ethereum IDE client.
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*/
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#pragma once
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#include "QVariableDeclaration.h"
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#include "QVariableDefinition.h"
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namespace dev
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{
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namespace mix
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{
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class QFunctionDefinition;
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class QVariableDeclaration;
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class QVariableDefinition;
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class QSolidityType;
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/**
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* @brief Encode/Decode data to be sent to a transaction or to be displayed in a view.
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*/
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class ContractCallDataEncoder
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{
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public:
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ContractCallDataEncoder() {}
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/// Encode hash of the function to call.
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void encode(QFunctionDefinition const* _function);
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/// Encode data for corresponding type
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void encode(QVariant const& _data, SolidityType const& _type);
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/// Decode variable in order to be sent to QML view.
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QStringList decode(QList<QVariableDeclaration*> const& _dec, bytes _value);
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/// Decode single variable
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QVariant decode(SolidityType const& _type, bytes const& _value);
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/// Get all encoded data encoded by encode function.
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bytes encodedData();
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/// Push the given @a _b to the current param context.
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void push(bytes const& _b);
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private:
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unsigned encodeSingleItem(QVariant const& _data, SolidityType const& _type, bytes& _dest);
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bigint decodeInt(dev::bytes const& _rawValue);
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dev::bytes encodeInt(QString const& _str);
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QString toString(dev::bigint const& _int);
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dev::bytes encodeBool(QString const& _str);
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bool decodeBool(dev::bytes const& _rawValue);
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QString toString(bool _b);
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dev::bytes encodeBytes(QString const& _str);
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dev::bytes decodeBytes(dev::bytes const& _rawValue);
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QString toString(dev::bytes const& _b);
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private:
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bytes m_encodedData;
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bytes m_dynamicData;
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};
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}
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}
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