moneysupply.h

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// Copyright (c) 2020 The PIVX Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php.
 
#ifndef PIVX_MONEYSUPPLY_H
#define PIVX_MONEYSUPPLY_H
 
#include "amount.h"
#include "sync.h"
 
/*
 * Class used to cache the sum of utxo's values
 */
class CMoneySupply {
private:
    mutable RecursiveMutex cs;
    CAmount nSupply;
    // height of the chain when the supply was last updated
    int64_t nHeight;
 
public:
    CMoneySupply(): nSupply(0), nHeight(0) {}
 
    void Update(const CAmount& _nSupply, int _nHeight)
    {
        LOCK(cs);
        nSupply = _nSupply;
        nHeight = _nHeight;
    }
 
    CAmount Get() const { LOCK(cs); return nSupply; }
    int64_t GetCacheHeight() const { LOCK(cs); return nHeight; }
};
 
#endif // PIVX_MONEYSUPPLY_H