Track mined blocks to detect and report orphans and mining revenue

Part of #1713
Closes #1716

src/chainparams.h

@@ -67,6 +67,7 @@ public:
     int64_t PruneAfterHeight() const { return nPruneAfterHeight; }
     unsigned int EquihashN() const { return nEquihashN; }
     unsigned int EquihashK() const { return nEquihashK; }
+    std::string CurrencyUnits() const { return strCurrencyUnits; }
     /** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */
     bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
     /** In the future use NetworkIDString() for RPC fields */
@@ -99,6 +100,7 @@ protected:
     std::vector<CDNSSeedData> vSeeds;
     std::vector<unsigned char> base58Prefixes[MAX_BASE58_TYPES];
     std::string strNetworkID;
+    std::string strCurrencyUnits;
     CBlock genesis;
     std::vector<SeedSpec6> vFixedSeeds;
     bool fRequireRPCPassword = false;