error_resp.message=std::string("Too big height: ")+std::to_string(h)+", current blockchain height ="+std::to_string(m_core.get_current_blockchain_height());
error_resp.message=std::string("Requested block height: ")+std::to_string(h)+" greater than current top block height:"+std::to_string(m_core.get_current_blockchain_height()-1);
error_resp.message=std::string("Too big height: ")+std::to_string(req.height)+", current blockchain height ="+std::to_string(m_core.get_current_blockchain_height());
error_resp.message=std::string("Requested block height: ")+std::to_string(req.height)+" greater than current top block height:"+std::to_string(m_core.get_current_blockchain_height()-1);
error_resp.message=std::string("Too big height: ")+std::to_string(req.height)+", current blockchain height ="+std::to_string(m_core.get_current_blockchain_height());
error_resp.message=std::string("Requested block height: ")+std::to_string(req.height)+" greater than current top block height:"+std::to_string(m_core.get_current_blockchain_height()-1);