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92 lines
2.3 KiB
92 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 QEther.h
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* @author Yann yann@ethdev.com
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* @date 2014
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* Represent an amount of Ether in QML (mapped to u256 in c++).
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*/
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#pragma once
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#include <QObject>
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#include <libethcore/Common.h>
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#include "QBigInt.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 QEther: public QBigInt
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{
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Q_OBJECT
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Q_ENUMS(EtherUnit)
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Q_PROPERTY(QString value READ value WRITE setValue NOTIFY valueChanged)
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Q_PROPERTY(EtherUnit unit READ unit WRITE setUnit NOTIFY unitChanged)
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public:
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enum EtherUnit
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{
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Uether,
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Vether,
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Dether,
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Nether,
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Yether,
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Zether,
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Eether,
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Pether,
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Tether,
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Gether,
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Mether,
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Grand,
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Ether,
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Finney,
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Szabo,
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Gwei,
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Mwei,
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Kwei,
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Wei
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};
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QEther(QObject* _parent = 0): QBigInt(dev::u256(0), _parent), m_currentUnit(EtherUnit::Wei) {}
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QEther(dev::u256 _value, EtherUnit _unit, QObject* _parent = 0): QBigInt(_value, _parent), m_currentUnit(_unit) {}
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~QEther() {}
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/// @returns user-friendly string representation of the amount of ether. Invokable from QML.
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Q_INVOKABLE QString format() const;
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/// @returns the current amount of Ether in Wei. Invokable from QML.
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Q_INVOKABLE QBigInt* toWei() const;
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/// @returns the current unit used. Invokable from QML.
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Q_INVOKABLE EtherUnit unit() const { return m_currentUnit; }
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/// Set the unit to be used. Invokable from QML.
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Q_INVOKABLE void setUnit(EtherUnit const& _unit) { m_currentUnit = _unit; }
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/// Set the unit to be used. Invokable from QML.
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Q_INVOKABLE void setUnit(QString const& _unit);
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/// @returns the u256 value of the current amount of Ether in Wei.
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dev::u256 toU256Wei() { return boost::get<dev::u256>(toWei()->internalValue()); }
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private:
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EtherUnit m_currentUnit;
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signals:
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void valueChanged();
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void unitChanged();
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};
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}
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}
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