Fix removeForReorg to use MedianTimePast

Author: sdaftuar

src/main.cpp

@@ -2570,7 +2570,7 @@ static bool ActivateBestChainStep(CValidationState& state, const CChainParams& c
     }
 
     if (fBlocksDisconnected) {
-        mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1);
+        mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
         mempool.TrimToSize(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
     }
     mempool.check(pcoinsTip);
@@ -2681,7 +2681,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
         // ActivateBestChain considers blocks already in chainActive
         // unconditionally valid already, so force disconnect away from it.
         if (!DisconnectTip(state, consensusParams)) {
-            mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1);
+            mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
             return false;
         }
     }
@@ -2699,7 +2699,7 @@ bool InvalidateBlock(CValidationState& state, const Consensus::Params& consensus
     }
 
     InvalidChainFound(pindex);
-    mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1);
+    mempool.removeForReorg(pcoinsTip, chainActive.Tip()->nHeight + 1, STANDARD_LOCKTIME_VERIFY_FLAGS);
     return true;
 }
 

src/txmempool.cpp

@@ -481,14 +481,14 @@ void CTxMemPool::remove(const CTransaction &origTx, std::list<CTransaction>& rem
     }
 }
 
-void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight)
+void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight, int flags)
 {
     // Remove transactions spending a coinbase which are now immature and no-longer-final transactions
     LOCK(cs);
     list<CTransaction> transactionsToRemove;
     for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
         const CTransaction& tx = it->GetTx();
-        if (!IsFinalTx(tx, nMemPoolHeight, GetAdjustedTime())) {
+        if (!CheckFinalTx(tx, flags)) {
             transactionsToRemove.push_back(tx);
         } else if (it->GetSpendsCoinbase()) {
             BOOST_FOREACH(const CTxIn& txin, tx.vin) {

src/txmempool.h

@@ -379,7 +379,7 @@ class CTxMemPool
     bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry, setEntries &setAncestors, bool fCurrentEstimate = true);
 
     void remove(const CTransaction &tx, std::list<CTransaction>& removed, bool fRecursive = false);
-    void removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight);
+    void removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight, int flags);
     void removeConflicts(const CTransaction &tx, std::list<CTransaction>& removed);
     void removeForBlock(const std::vector<CTransaction>& vtx, unsigned int nBlockHeight,
                         std::list<CTransaction>& conflicts, bool fCurrentEstimate = true);