Add PoS to CBlock and Header

src/chainparams.cpp

@@ -125,7 +125,10 @@ public:
         nMinerThreads = 0;
         nTargetTimespan = 14 * 24 * 60 * 60; // Crown: 2 weeks
         nTargetSpacing = 1 * 60; // Crown: 1 minutes
-        nMaxTipAge = 6 * 60 * 60; 
+        nMaxTipAge = 6 * 60 * 60;
+
+        nAuxpowChainId = 20;
+        nPoSChainId = 22;
 
         /**
          * Build the genesis block. Note that the output of the genesis coinbase cannot

src/chainparams.h

@@ -84,7 +84,9 @@ public:
     int64_t StartMasternodePayments() const { return nStartMasternodePayments; }
     CBaseChainParams::Network NetworkID() const { return networkID; }
     /* Return the auxpow chain ID.  */
-    inline int32_t AuxpowChainId () const { return 20; }
+    inline int32_t AuxpowChainId () const { return nAuxpowChainId; }
+    int32_t PoSChainId () const { return nPoSChainId; }
+    int PoSStartHeight() const { return nBlockPoSStart; }
     /* Return start height of auxpow and the retarget interval change.  */
     virtual int AuxpowStartHeight() const = 0;
     /* Return whether or not to enforce strict chain ID checks.  */
@@ -127,6 +129,9 @@ protected:
     std::string strLegacySignerDummyAddress;
     std::string strDevfundAddress;
     int64_t nStartMasternodePayments;
+    int32_t nAuxpowChainId;
+    int32_t nPoSChainId;
+    int nBlockPoSStart;
 };
 
 /** 

src/miner.cpp

@@ -108,7 +108,10 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
     txNew.vout[0].scriptPubKey = scriptPubKeyIn;
 
     /* Initialise the block version.  */
-    const int32_t nChainId = Params().AuxpowChainId();
+    int32_t nChainId = Params().AuxpowChainId();
+    if (chainActive.Height() > Params().PoSStartHeight())
+        nChainId = Params().PoSChainId();
+
     pblock->nVersion.SetBaseVersion(CBlockHeader::CURRENT_VERSION, nChainId);
 
 

src/primitives/block.cpp

@@ -24,6 +24,11 @@ void CBlockHeader::SetAuxpow (CAuxPow* apow)
     }
 }
 
+void CBlockHeader::SetProofOfStake(bool fProofOfStake)
+{
+    nVersion.SetProofOfStake(fProofOfStake);
+}
+
 uint256 CBlock::BuildMerkleTree(bool* fMutated) const
 {
     /* WARNING! If you're reading this because you're learning about crypto

src/primitives/block.h

@@ -75,6 +75,8 @@ public:
      */
     void SetAuxpow (CAuxPow* apow);
 
+    void SetProofOfStake(bool fProofOfStake);
+
 };
 
 class CBlock : public CBlockHeader

src/primitives/pureheader.h

@@ -21,6 +21,7 @@ private:
 
     /* Modifiers to the version.  */
     static const int32_t VERSION_AUXPOW = (1 << 8);
+    static const int32_t VERSION_POS_START = (1 << 9);
 
     /** Bits above are reserved for the auxpow chain ID.  */
     static const int32_t VERSION_CHAIN_START = (1 << 16);
@@ -123,6 +124,19 @@ public:
             nVersion &= ~VERSION_AUXPOW;
     }
 
+    inline bool IsProofOfStake() const
+    {
+        return nVersion & VERSION_POS_START;
+    }
+
+    inline void SetProofOfStake(bool fProofOfStake)
+    {
+        if (fProofOfStake)
+            nVersion |= VERSION_POS_START;
+        else
+            nVersion &= ~VERSION_POS_START;
+    }
+
     /**
      * Check whether this is a "legacy" block without chain ID.
      * @return True iff it is.