code: function(cb){
  				storage.determinewitnessedLevelAndLimci(conn,objUnit, function(err,witnessed_level,limci){
  					if(err)
  						return cb(err);
  					unit_witnessed_level = witnessed_level;
  					objValidationState.witnessed_level = witnessed_level;
  					objValidationState.limci = limci;
  					cb();
  				});
  			}
docs: byzantine del function(cb){ storage.determineBestParent(conn,objUnit, function(best_parent_unit){ unit_best_parent = best_parent_unit; objValidationState.best_parent_unit = best_parent_unit; cb(); }); },