Fix removal of time-locked transactions during reorg

src/main.cpp

@@ -2457,7 +2457,7 @@ bool static DisconnectTip(CValidationState &state, bool fBare = false) {
             // in which case we don't want to evict from the mempool yet!
             mempool.removeWithAnchor(anchorBeforeDisconnect);
         }
-        mempool.removeCoinbaseSpends(pcoinsTip, pindexDelete->nHeight);
+        mempool.removeForReorg(pcoinsTip, pindexDelete->nHeight);
         mempool.check(pcoinsTip);
     }
 

src/txmempool.cpp

@@ -11,6 +11,7 @@
 #include "main.h"
 #include "policy/fees.h"
 #include "streams.h"
+#include "timedata.h"
 #include "util.h"
 #include "utilmoneystr.h"
 #include "version.h"
@@ -167,22 +168,26 @@ void CTxMemPool::remove(const CTransaction &origTx, std::list<CTransaction>& rem
     }
 }
 
-void CTxMemPool::removeCoinbaseSpends(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight)
+void CTxMemPool::removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight)
 {
     // Remove transactions spending a coinbase which are now immature
     LOCK(cs);
     list<CTransaction> transactionsToRemove;
     for (indexed_transaction_set::const_iterator it = mapTx.begin(); it != mapTx.end(); it++) {
         const CTransaction& tx = it->GetTx();
-        BOOST_FOREACH(const CTxIn& txin, tx.vin) {
-            indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
-            if (it2 != mapTx.end())
-                continue;
-            const CCoins *coins = pcoins->AccessCoins(txin.prevout.hash);
-            if (nCheckFrequency != 0) assert(coins);
-            if (!coins || (coins->IsCoinBase() && ((signed long)nMemPoolHeight) - coins->nHeight < COINBASE_MATURITY)) {
-                transactionsToRemove.push_back(tx);
-                break;
+        if (!IsFinalTx(tx, nMemPoolHeight, GetAdjustedTime())) {
+            transactionsToRemove.push_back(tx);
+        } else {
+            BOOST_FOREACH(const CTxIn& txin, tx.vin) {
+                indexed_transaction_set::const_iterator it2 = mapTx.find(txin.prevout.hash);
+                if (it2 != mapTx.end())
+                    continue;
+                const CCoins *coins = pcoins->AccessCoins(txin.prevout.hash);
+		if (nCheckFrequency != 0) assert(coins);
+                if (!coins || (coins->IsCoinBase() && ((signed long)nMemPoolHeight) - coins->nHeight < COINBASE_MATURITY)) {
+                    transactionsToRemove.push_back(tx);
+                    break;
+                }
             }
         }
     }

src/txmempool.h

@@ -160,7 +160,7 @@ public:
     bool addUnchecked(const uint256& hash, const CTxMemPoolEntry &entry, bool fCurrentEstimate = true);
     void remove(const CTransaction &tx, std::list<CTransaction>& removed, bool fRecursive = false);
     void removeWithAnchor(const uint256 &invalidRoot);
-    void removeCoinbaseSpends(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight);
+    void removeForReorg(const CCoinsViewCache *pcoins, unsigned int nMemPoolHeight);
     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);