coincontrol.h

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// Copyright (c) 2011-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_WALLET_COINCONTROL_H
#define BITCOIN_WALLET_COINCONTROL_H

#include <policy/feerate.h>
#include <policy/fees.h>
#include <primitives/transaction.h>

#include <boost/optional.hpp>

enum class CoinType
{
    ALL_COINS,
    ONLY_FULLY_MIXED,
    ONLY_READY_TO_MIX,
    ONLY_NONDENOMINATED,
    ONLY_MASTERNODE_COLLATERAL, // find masternode outputs including locked ones (use with caution)
    ONLY_PRIVATESEND_COLLATERAL,
    // Attributes
    MIN_COIN_TYPE = ALL_COINS,
    MAX_COIN_TYPE = ONLY_PRIVATESEND_COLLATERAL,
};

class CCoinControl
{
public:
    CTxDestination destChange;
    bool fAllowOtherInputs;
    bool fRequireAllInputs;
    bool fAllowWatchOnly;
    bool fOverrideFeeRate;
    boost::optional<CFeeRate> m_feerate;
    boost::optional<CFeeRate> m_discard_feerate;
    boost::optional<unsigned int> m_confirm_target;
    FeeEstimateMode m_fee_mode;
    CoinType nCoinType;

    CCoinControl()
    {
        SetNull();
    }

    void SetNull()
    {
        destChange = CNoDestination();
        fAllowOtherInputs = false;
        fRequireAllInputs = true;
        fAllowWatchOnly = false;
        setSelected.clear();
        m_feerate.reset();
        m_discard_feerate.reset();
        fOverrideFeeRate = false;
        m_confirm_target.reset();
        m_fee_mode = FeeEstimateMode::UNSET;
        nCoinType = CoinType::ALL_COINS;
    }

    bool HasSelected() const
    {
        return (setSelected.size() > 0);
    }

    bool IsSelected(const COutPoint& output) const
    {
        return (setSelected.count(output) > 0);
    }

    void Select(const COutPoint& output)
    {
        setSelected.insert(output);
    }

    void UnSelect(const COutPoint& output)
    {
        setSelected.erase(output);
    }

    void UnSelectAll()
    {
        setSelected.clear();
    }

    void ListSelected(std::vector<COutPoint>& vOutpoints) const
    {
        vOutpoints.assign(setSelected.begin(), setSelected.end());
    }

    // Dash-specific helpers

    void UsePrivateSend(bool fUsePrivateSend)
    {
        nCoinType = fUsePrivateSend ? CoinType::ONLY_FULLY_MIXED : CoinType::ALL_COINS;
    }

    bool IsUsingPrivateSend() const
    {
        return nCoinType == CoinType::ONLY_FULLY_MIXED;
    }

private:
    std::set<COutPoint> setSelected;
};

#endif // BITCOIN_WALLET_COINCONTROL_H