405@@ -406,9 +406,9 @@ class NodeImpl : public Node
406     }
407     std::unique_ptr<Handler> handleNotifyBlockTip(NotifyBlockTipFn fn) override
408     {
409-        return MakeSignalHandler(::uiInterface.NotifyBlockTip_connect([fn](SynchronizationState sync_state, const CBlockIndex* block) {
410+        return MakeSignalHandler(::uiInterface.NotifyBlockTip_connect([fn, this](SynchronizationState sync_state, const CBlockIndex* block) {
411             fn(sync_state, BlockTip{block->nHeight, block->GetBlockTime(), block->GetBlockHash()},
412-                GuessVerificationProgress(Params().TxData(), block));
413+               chainman().GuessVerificationProgress(block));
      
        
        
        
          
          
        
        
        
          
          
            
              
            
              
nit: you also deleted a whitespace here, and now the line is indented with only 3 whitespaces, is this on purpose?
              
            
           
         
       
    
        
        
        
          
          
        
        
        
          
          
            
              
            
              
It is done by clang-format