Update cached incremental witnesses when the active block chain tip changes

src/main.cpp

@@ -2403,6 +2403,8 @@ bool static DisconnectTip(CValidationState &state) {
     BOOST_FOREACH(const CTransaction &tx, block.vtx) {
         SyncWithWallets(tx, NULL);
     }
+    // Update cached incremental witnesses
+    GetMainSignals().ChainTip(pindexDelete, &block, false);
     return true;
 }
 
@@ -2468,6 +2470,8 @@ bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew, CBlock *
     BOOST_FOREACH(const CTransaction &tx, pblock->vtx) {
         SyncWithWallets(tx, pblock);
     }
+    // Update cached incremental witnesses
+    GetMainSignals().ChainTip(pindexNew, pblock, true);
 
     int64_t nTime6 = GetTimeMicros(); nTimePostConnect += nTime6 - nTime5; nTimeTotal += nTime6 - nTime1;
     LogPrint("bench", "  - Connect postprocess: %.2fms [%.2fs]\n", (nTime6 - nTime5) * 0.001, nTimePostConnect * 0.000001);