transaction inherits from the customeventemitter

lib/transaction.js

 var Utils = require('./utils')
+  , util  = require('util')
 
 var Transaction = module.exports = function(options) {
   this.options = options || {}
   this.id      = Utils.generateUUID()
 }
+
+util.inherits(Transaction, Utils.CustomEventEmitter)
+
+Transaction.prototype.commit = function() {
+  this.emit('success')
+}
+
+
+Transaction.prototype.rollback = function() {
+  this.emit('success')
+}