text: // Copyright (c) 2014-2015 The Dash developers
  // Copyright (c) 2015-2017 The PIVX developers
  // Copyright (c) 2019 The ZNDECoin developers
  
  // Distributed under the MIT/X11 software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  #ifndef MASTERNODE_SYNC_H
  #define MASTERNODE_SYNC_H
  
  #define MASTERNODE_SYNC_INITIAL 0
  #define MASTERNODE_SYNC_SPORKS 1
  #define MASTERNODE_SYNC_LIST 2
  #define MASTERNODE_SYNC_MNW 3
  #define MASTERNODE_SYNC_BUDGET 4
  #define MASTERNODE_SYNC_BUDGET_PROP 10
  #define MASTERNODE_SYNC_BUDGET_FIN 11
  #define MASTERNODE_SYNC_FAILED 998
  #define MASTERNODE_SYNC_FINISHED 999
  
  #define MASTERNODE_SYNC_TIMEOUT 5
  #define MASTERNODE_SYNC_THRESHOLD 2
  
  class CMasternodeSync;
  extern CMasternodeSync masternodeSync;
  
  //
  // CMasternodeSync : Sync masternode assets in stages
  //
  
  class CMasternodeSync
  {
  public:
      std::map<uint256, int> mapSeenSyncMNB;
      std::map<uint256, int> mapSeenSyncMNW;
      std::map<uint256, int> mapSeenSyncBudget;
  
      int64_t lastMasternodeList;
      int64_t lastMasternodeWinner;
      int64_t lastBudgetItem;
      int64_t lastFailure;
      int nCountFailures;
  
      // sum of all counts
      int sumMasternodeList;
      int sumMasternodeWinner;
      int sumBudgetItemProp;
      int sumBudgetItemFin;
      // peers that reported counts
      int countMasternodeList;
      int countMasternodeWinner;
      int countBudgetItemProp;
      int countBudgetItemFin;
  
      // Count peers we've requested the list from
      int RequestedMasternodeAssets;
      int RequestedMasternodeAttempt;
  
      // Time when current masternode asset sync started
      int64_t nAssetSyncStarted;
  
      CMasternodeSync();
  
      void AddedMasternodeList(uint256 hash);
      void AddedMasternodeWinner(uint256 hash);
      void AddedBudgetItem(uint256 hash);
      void GetNextAsset();
      std::string GetSyncStatus();
      void ProcessMessage(CNode* pfrom, std::string& strCommand, CDataStream& vRecv);
      bool IsBudgetFinEmpty();
      bool IsBudgetPropEmpty();
  
      void Reset();
      void Process();
      bool IsSynced();
      bool IsBlockchainSynced();
      bool IsMasternodeListSynced() { return RequestedMasternodeAssets > MASTERNODE_SYNC_LIST; }
      void ClearFulfilledRequest();
  };
  
  #endif
  