var mongoose = require('mongoose') , Schema = mongoose.Schema; var AddressTXSchema = new Schema({ a_id: { type: String, index: true}, blockindex: {type: Number, default: 0, index: true}, txid: { type: String, lowercase: true, index: true}, amount: { type: Number, default: 0, index: true} }, {id: false}); AddressTXSchema.index({a_id: 1, blockindex: -1}); module.exports = mongoose.model('AddressTx', AddressTXSchema);