Stop building witnesses if abortrescan is called #331

src/wallet/wallet.cpp

@@ -1147,8 +1147,14 @@ void CWallet::BuildWitnessCache(const CBlockIndex* pindex, bool witnessOnly)
 
   while (pblockindex) {
     if (ShutdownRequested()) {
+        LogPrintf("%s: shutdown requested, aborting building witnesses\n", __func__);
         break;
     }
+    if(pwalletMain->fAbortRescan) {
+        LogPrintf("%s: rescan aborted at block %d, stopping witness building\n", pwalletMain->rescanHeight);
+        pwalletMain->fRescanning = false;
+        return;
+    }
 
     if (pblockindex->GetHeight() % 100 == 0 && pblockindex->GetHeight() < height - 5) {
       LogPrintf("Building Witnesses for block %i %.4f complete, %d remaining\n", pblockindex->GetHeight(), pblockindex->GetHeight() / double(height), height - pblockindex->GetHeight() );