text: require( '../../db.js' );
  var mongoose = require('mongoose');
  var Address = mongoose.model('Address');
  
  Address.find({}, "balance").sort({"balance":-1}).limit(100).lean(true).exec(function(err, docs){
      var totalB = 0;
      for(var i=0; i<docs.length; i++){
          totalB += docs[i].balance;
      }
      console.log("totalB:", totalB);
  });