MainPageStore.js

import { Store } from 'flummox';

class MainPageStore extends Store {

    constructor (flux) {
        super(); // Don't forget this step

        const MainPageActionIds = flux.getActionIds('MainPage');
        this.register(MainPageActionIds.loadData, this.loadData);
        this.register(MainPageActionIds.getTop, this.getTop);

        this.state = {
            giveaways: {},
            top: [],
            footer: {
                users: 160125,
                giveaways: 160287,
                money: 1130247
            }
        };
    }

    loadData (payload) {
        this.setState({giveaways: payload});
    }

    getTop (payload) {
        this.setState({top: payload});
    }

}

export default MainPageStore;