gistfile1.js

Transactings.findAll({
	where: {
		status: 'PENDING'
	},
	include: [Account]
}).done(function (err, transactings) {
	async.forEach(transactings, function (transacting, callback) {
		restler.post('http://someurl/getTransactionInfo',data:{
			tx_id: transacting.id
		}).on('complete',function(data,response){
			sequelize.transaction(function(t) {
				var chainer = new Sequelize.QueryChainer()
	
				chainer.add(transacting.account.increment('balanace', transacting.amount))
				chainer.add(Transaction.create({amount: transacting.amount}))
	
				chainer.error(t.rollback)
				chainer.success(t.commit)
	
				t.done(callback)
			});	
		});
	}, function () {
		// Were done
	})
})