Soft fork logic for BIP68

src/main.cpp

@@ -2262,9 +2262,11 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
         flags |= SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY;
     }
 
-    // Start enforcing CHECKSEQUENCEVERIFY using versionbits logic.
+    // Start enforcing BIP68 (sequence locks) and BIP112 (CHECKSEQUENCEVERIFY) using versionbits logic.
+    int nLockTimeFlags = 0;
     if (VersionBitsState(pindex->pprev, chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV, versionbitscache) == THRESHOLD_ACTIVE) {
         flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY;
+        nLockTimeFlags |= LOCKTIME_VERIFY_SEQUENCE;
     }
 
     int64_t nTime2 = GetTimeMicros(); nTimeForks += nTime2 - nTime1;
@@ -2275,7 +2277,6 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
     CCheckQueueControl<CScriptCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
 
     std::vector<int> prevheights;
-    int nLockTimeFlags = 0;
     CAmount nFees = 0;
     int nInputs = 0;
     unsigned int nSigOps = 0;