Merge pull request #750 from peercoin/develop

0.14.0 changes

Author: backpacker69

configure.ac

@@ -6,8 +6,8 @@ define(_CLIENT_VERSION_RC, 0)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2024)
 define(_PEERCOIN_VERSION_MAJOR, 0)
-define(_PEERCOIN_VERSION_MINOR, 13)
-define(_PEERCOIN_VERSION_REVISION, 1)
+define(_PEERCOIN_VERSION_MINOR, 14)
+define(_PEERCOIN_VERSION_REVISION, 0)
 define(_PEERCOIN_VERSION_BUILD, 0)
 define(_PEERCOIN_VERSION_RC, 0)
 define(_COPYRIGHT_HOLDERS,[The %s developers])

src/chain.h

@@ -222,6 +222,8 @@ class CBlockIndex
 
     // peercoin: proof-of-stake related block index fields
     unsigned int nFlags{0};  // peercoin: block index flags
+    // peercoin: height of pos blocks only
+    unsigned int nHeightStake{0};
     enum
     {
         BLOCK_PROOF_OF_STAKE = (1 << 0), // is proof-of-stake block
@@ -395,8 +397,8 @@ class CBlockIndex
 
     std::string ToString() const
     {
-        return strprintf("CBlockIndex(nprev=%08x, "/*nFile=%d, */"nHeight=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016llx, nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
-            pprev, /*nFile, */nHeight,
+        return strprintf("CBlockIndex(nprev=%08x, "/*nFile=%d, */"nHeight=%d, nHeightStake=%d, nMint=%s, nMoneySupply=%s, nFlags=(%s)(%d)(%s), nStakeModifier=%016llx, nStakeModifierChecksum=%08x, hashProofOfStake=%s, prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
+            pprev, /*nFile, */nHeight, nHeightStake,
             FormatMoney(nMint), FormatMoney(nMoneySupply),
             GeneratedStakeModifier() ? "MOD" : "-", GetStakeEntropyBit(), IsProofOfStake()? "PoS" : "PoW",
             nStakeModifier, nStakeModifierChecksum,
@@ -511,6 +513,7 @@ class CDiskBlockIndex : public CBlockIndex
         READWRITE(obj.nMint);
         READWRITE(obj.nMoneySupply);
         READWRITE(obj.nFlags);
+        READWRITE(obj.nHeightStake);
         READWRITE(obj.nStakeModifier);
         if (obj.nFlags & BLOCK_PROOF_OF_STAKE)
         {
@@ -596,6 +599,13 @@ class CChain
         return int(vChain.size()) - 1;
     }
 
+    /** Return height of the chain counting only proof of stake blocks */
+
+    int HeightStake() const
+    {
+        return vChain.size() > 0 ? vChain[vChain.size() - 1]->nHeightStake : 0;
+    }
+
     /** Set/initialize a chain with a given tip. */
     void SetTip(CBlockIndex& block);
 

src/kernel.cpp

@@ -49,6 +49,9 @@ const unsigned int nProtocolV10TestSwitchTime = 1625140800; // Thu  1 Jul 12:00:
 // Protocol switch time for v12 kernel protocol
 const unsigned int nProtocolV12SwitchTime     = 1700276331; // Sat 18 Nov 02:58:51 UTC 2023
 const unsigned int nProtocolV12TestSwitchTime = 1671060214; // Wed 14 Dec 11:23:34 UTC 2022
+// Protocol switch time for v14 kernel protocol
+const unsigned int nProtocolV14SwitchTime     = 1717416000; // Mon  3 Jun 12:00:00 UTC 2024
+const unsigned int nProtocolV14TestSwitchTime = 1710720000; // Mon 18 Mar 00:00:00 UTC 2024
 
 // Hard checkpoints of stake modifiers to ensure they are deterministic
 static std::map<int, unsigned int> mapStakeModifierCheckpoints =
@@ -150,7 +153,7 @@ bool IsProtocolV10(unsigned int nTime)
   return (nTime >= (Params().NetworkIDString() != CBaseChainParams::MAIN ? nProtocolV10TestSwitchTime : nProtocolV10SwitchTime));
 }
 
-// Whether a given timestamp is subject to new v10 protocol
+// Whether a given block is subject to new v12 protocol
 bool IsProtocolV12(const CBlockIndex* pindexPrev)
 {
   if (Params().NetworkIDString() == CBaseChainParams::REGTEST)
@@ -159,6 +162,22 @@ bool IsProtocolV12(const CBlockIndex* pindexPrev)
   return (pindexPrev->nTime >= (Params().NetworkIDString() != CBaseChainParams::MAIN ? nProtocolV12TestSwitchTime : nProtocolV12SwitchTime));
 }
 
+// Whether a given block is subject to new v14 protocol
+bool IsProtocolV14(const CBlockIndex* pindexPrev)
+{
+  if (Params().NetworkIDString() == CBaseChainParams::REGTEST)
+      return true;
+
+  if (pindexPrev->nTime < (Params().NetworkIDString() != CBaseChainParams::MAIN ? nProtocolV14TestSwitchTime : nProtocolV14SwitchTime))
+      return false;
+
+  if ((Params().NetworkIDString() == CBaseChainParams::MAIN && IsSuperMajority(5, pindexPrev, 750, 1000)) ||
+      (Params().NetworkIDString() != CBaseChainParams::MAIN && IsSuperMajority(5, pindexPrev, 75, 100)))
+    return true;
+
+  return false;
+}
+
 // Get the last stake modifier and its generation time from a given block
 static bool GetLastStakeModifier(const CBlockIndex* pindex, uint64_t& nStakeModifier, int64_t& nModifierTime)
 {

src/kernel.h

@@ -40,6 +40,8 @@ bool IsProtocolV09(unsigned int nTimeTx);
 bool IsProtocolV10(unsigned int nTimeTx);
 // Whether a given block is subject to new v12 protocol
 bool IsProtocolV12(const CBlockIndex* pindexPrev);
+// Whether a given block is subject to new v14 protocol
+bool IsProtocolV14(const CBlockIndex* pindexPrev);
 
 // Compute the hash modifier for proof-of-stake
 bool ComputeNextStakeModifier(const CBlockIndex* pindexCurrent, uint64_t& nStakeModifier, bool& fGeneratedStakeModifier, Chainstate& chainstate);

src/node/blockstorage.cpp

@@ -100,6 +100,7 @@ CBlockIndex* BlockManager::AddToBlockIndex(const CBlockHeader& block, CBlockInde
     if (miPrev != m_block_index.end()) {
         pindexNew->pprev = &(*miPrev).second;
         pindexNew->nHeight = pindexNew->pprev->nHeight + 1;
+        pindexNew->nHeightStake = pindexNew->pprev->nHeightStake + (block.nFlags & CBlockIndex::BLOCK_PROOF_OF_STAKE);
         pindexNew->BuildSkip();
     }
     pindexNew->nTimeMax = (pindexNew->pprev ? std::max(pindexNew->pprev->nTimeMax, pindexNew->nTime) : pindexNew->nTime);