Line data    Source code

       1             : // Copyright (c) 2020 The PIVX Core developers
       2             : // Distributed under the MIT/X11 software license, see the accompanying
       3             : // file COPYING or https://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #ifndef PIVX_MONEYSUPPLY_H
       6             : #define PIVX_MONEYSUPPLY_H
       7             : 
       8             : #include "amount.h"
       9             : #include "sync.h"
      10             : 
      11             : /*
      12             :  * Class used to cache the sum of utxo's values
      13             :  */
      14             : class CMoneySupply {
      15             : private:
      16             :     mutable RecursiveMutex cs;
      17             :     CAmount nSupply;
      18             :     // height of the chain when the supply was last updated
      19             :     int64_t nHeight;
      20             : 
      21             : public:
      22             :     CMoneySupply(): nSupply(0), nHeight(0) {}
      23             : 
      24         440 :     void Update(const CAmount& _nSupply, int _nHeight)
      25             :     {
      26         440 :         LOCK(cs);
      27         440 :         nSupply = _nSupply;
      28         440 :         nHeight = _nHeight;
      29         440 :     }
      30             : 
      31          12 :     CAmount Get() const { LOCK(cs); return nSupply; }
      32          12 :     int64_t GetCacheHeight() const { LOCK(cs); return nHeight; }
      33             : };
      34             : 
      35             : #endif // PIVX_MONEYSUPPLY_H