order.js

            let unassigned = realtime.unassigned.child(attrs.body.order_id)
            let assigned = realtime.assigned.child(attrs.body.order_id)

            unassigned.ref.once('value', (data) => {
                data = data.val()
                data['status'] = 'assigned'
                assigned.set(data, (error) => {
                    if (!error) {
                        let champion_ref = realtime.champions.child(attrs.body.champion_id + '/assigned/' + attrs.body.order_id)
                        champion_ref.set(data, (error) => {

                            if (!error){ unassigned.remove()}
                        })
                    }
                })
            }, (err) => {
                console.log(err, '<= firebase error')
            })