var mongoose = require('mongoose'), Schema = mongoose.Schema; var OrphanSchema = new Schema({ blockindex: {type: Number, default: 0, index: true}, orphan_blockhash: {type: String, unique: true, index: true}, good_blockhash: {type: String, index: true}, prev_blockhash: {type: String, index: true}, next_blockhash: {type: String, index: true} }, {id: false}); module.exports = mongoose.model('Orphan', OrphanSchema);