Skip to content
Switch branches/tags

Latest commit


Git stats


Failed to load latest commit information.
Latest commit message
Commit time

OST Loyalty 2.0

OST Loyalty is an add-on for the e-commerce software cs-cart and enables store owners to create and use their own customer loyalty points system on the blockchain with OST Simple Token.

Add widget to layout

IMPORTANT: The main-net is already live but not yet for the public. As soon as the main-net is live for the public (or the test-net allows new branded tokens), I will update this description with news instructions. In the meantime feel free to contact to ask for an account.

Useful Links:

Bitcoin and other crypto currencies are an interesting new way for exchanging assets between different parties. On the other hand customers really appreciate loyalty programs even though they need sometimes to give away their private data. OST Simple Token is a side-blockchain based on Ethereum which makes it very easy to create your compliant custom token economy.

This integration into CS-Cart allows you to use your custom token economy based on OST Simple Token as a customer loyalty program.

Main features

  • Works with all (fiat) currencies (e.g. USD, EUR, ...) - USD is used just as an example in this "Features" section!!
  • User can earn tokens as a percentage of their order volume (Example: 1% Loyalty Bonus = Tokens worth 1 USD for a 100 USD sales order will be sent to the users wallet) - store owners specify the percentage in the settings
  • User can use these tokens based on their current value (in USD) like a gift certificate
  • Store owners can create flexible marketing actions so users can earn more tokens as bonus
  • Store owner can use the buyer account balance (in tokens) as a condition for flexible marketing actions
  • Users see their wallet and can watch all transactions in their profile


Contributions are welcome! Please contact me if you want to implement OST Loyalty for other e-commerce system, this is very welcome to spread the adoption of crypto-currencies and OST. In case you create an information page for your shoppers, I would be glad to add it as a default text to this addon.

IMPORTANT preparation !!!

If you use this repository for your cs-cart installation make sure, that you check-out the library OST Simple Token - KIT API - PHP Wrapper into app/addons/ost_loyalty/libs/SimpleTokenApi, as it is a required core-part of this add-on. How to checkout OST KIT API

Add-On installation

If you just want to try it out: Download a CS-Cart copy from the official site, install and activate the demo licence, then download this add-on (you will find it on the CS-Cart marketplace) and extract it to your CS-Cart base folder (like any other cs-cart add-on).

The CS-Cart Composer installation could make your life easier.

Afterwards you need to "install" it in your cs-cart admin backend. First click on Add-ons, then Manage add-ons and Browse all available add-ons like seen on the following screenshot: Screenshot install add-on

Now simply select SimpleToken - OST Loyalty (TechupBusiness Addon) and click install. After a short moment the page should refresh and you will see a success message. The add-on is not yet active (status=disabled). Please follow the Add-On setup instructions below before you activate OST Loyalty in your store.

Add-On setup

Connect to OST

First click on the add-on to show up the configuration dialog and enter your OST KIT API Key and Secret. The mode needs to be set to Test until the production side-chains go live. Configure add-on

There you need to enter your API Key and Secret that are provided in your OST KIT Dashboard under the Developer section: Finding OST KIT login data

Configure loyalty bonus

Under your API Key and Secret you can set the following:

  • User privacy: You can decide if you want to publish your users email address to the OST blockchain (as username) or not. Better keep the default "private".
  • OST View links: If enabled, users have a link in their transaction history, to open the transaction in OST View, the blockchain explorer for the OST side-chain.

Now navigate to the Configure actions tab in the modal-popup dialog, to set (important, it has default values otherwise!):

  • User registration reward (default 1 unit of your main currency): The amount in main your currency e.g. USD that a user should get in tokens (using the current exchange rate in USD at that time). Please see chapter about fiat currencies). Example: 1 (=1 USD in your tokens at the current exchange rate)
  • Percentage of user reward per currency unit (default 1 percent of the sales volume): Defines how much reward in percent a customer will get per main currency unit (e.g. 1 USD) for their sales orders. Example USD: Reward 1.0 would be a (later) payback of 1 cent for each spend 1 USD (from the buyers perspective it's a discount of 1 percent - assuming the same OST/USD exchange rate then - that he can claim with the next order). If the order is 100 USD, the user will get 1 USD in tokens to his wallet.

Configure fiat currencies

In order to have correct values of your branded tokens in your store currencies, you need to always add USD as (at least as a hidden) currency in Administration > Currencies. Because OST and the value of your branded tokens can be only determined in USD at the moment, we need the exchange rate of USD. Either you can use USD as your main currency, but it also works if you just use it as an additional currency. In case the exchange rates from your main currency fluctuates strongly, you should use an addon of cs-cart updating your fiat-exchange rates automatically.

Example: if you just want to sell in EUR, you simply add USD with its exchange rate 0.87 as a hidden additional currency. This way it doesn't appear in your store, but the calculations will work correctly for your branded tokens into EUR. The main currency EUR has always the lead then and is the exchange rate 1.0 master.

Enable add-on

Now you are ready to enable the add-on! On the "Available add-ons" tab, enable OST Loyalty. Enable add-on

Configure order statuses

First, enable OST loyalty, if not done yet. In order for the add-on to decide when to do the token transfers, we need to set-up the order statuses properly. The loyalty add-on allows two actions for each order status:

  • Deduct for an order used tokens (as payment/discount) from a user (and give it to the merchant)
  • Grant reward tokens for a sales order to the user (deducted from the merchant's wallet)

By default (without additional configuration) it is using the following logic for the default order statuses:

  • Open: Deduct YES, Grant NO
  • Processed: Deduct YEY, Grant NO
  • Complete: Deduct YES, Grant YES
  • Failed: Deduct NO, Grant NO
  • Declined: Deduct NO, Grant NO
  • Backordered: Deduct NO, Grant NO - you could consider setting deduct here also to YES
  • Canceled: Deduct NO, Grant NO

Every time the order status changes and the grant/deduction state will change, the system will initiate a transaction.


A user is placing an order, using 50 BT (placeholder for your branded token) as a discount, for 100 USD (=already discounted amount) and would ger 1 USD in tokens, which is equivalent to (eg.) 200 BT. After placing the order is has the status open (=Deduct=YES, Grant=NO) which would deduct the 50 BT from his wallet. Now...

  • Scenario A: Order changes from open to complete (Deduct=YES, Grant=YES): the 50 BT were already deducted in status open, so nothing will happen here. But only in the status complete the system grants the reward tokens for the user, so the system will initiate 200 BT as a transfer from the merchant to the users wallet.
  • Scenario B: Order changes from open to declined (Deduct=NO, Grant=NO): the 200 BT were not granted yet, so nothing to do here. But the 50 BT were already deducted from the user, so the system will initiate reversion transfer and give the 50 BT back to the user (from the merchants wallet)

Add wallet to store front-end

First, enable OST loyalty, if not done yet. By default the user can see his wallet and all transaction in his profile (after log-in). Wallet in menu

In order to show up the wallet and it's balance on the front-end on each page directly, you need to place a wallet widget on your default page. Add widget to layout

To do this, you in your admin backend to Design > Layout and add the OST Loyalty widget to your default page ("BT Wallet" on the screenshot). Add widget to layout

After doing these steps, the wallet shows up on every page in the top bar: Add widget to layout

Add cron-jobs

First, enable OST loyalty, if not done yet. Now you need to know your cron-job password of CS-Cart which you can set/find in Settings > Security settings. Add widget to layout.

Now you can use the following cron-jobs (don't forget to replace the {MY-PASS} password and {YOUR-DOMAIN} in the URL). In case you don't have a cron-job on your server, you can use a free services like

  • Update user balances https://{YOUR-DOMAIN}/admin.php?dispatch=ost_queue_cron.update_user_balances&pw={MY-PASS}: Suggested interval is every 2 min. All information and the user balance is updating each time, a user clicks on his wallet. But because this leads often to too old information on the website, I highly suggest to set-up this cron-job for updating the information regularly.
  • Update BT exchange rate https://{YOUR-DOMAIN}/admin.php?dispatch=ost_queue_cron.update_currency_info&pw={MY-PASS}: Suggested interval is every 5 min. This cron-job keeps your branded token exchange rate up-to-date, based on the current OST price. Don't forget to set-up USD as a currency. NOTE: If you want to use the exchange rate for your branded tokens that you used to buy and stake the tokens (and don't care about the current exchange rate), don't use this cron-job!!! Why would you eventually like to do this? You can easily calculate everything in your books and you don't need to care about fluctuations (Example: a user spends 200 BT and gets a discount of 50 EUR, after a week these 200 BT that you received from your user are just worth 20 EUR - or 80 EUR at the time that you may convert them and send them to your bank-account).

Whats next?

Now you can test the first transaction by registering a new user in your store. If you have a separate test-system or offline payment-methods, you could also try an example order to see if the wallet reflects everything correctly. In addition you should create an information page, informing your users about your new loyalty program (if possible a contribution of the information page to this project would be awesome).

Use marketing promotions

To learn how to use marketing promotions in CS-Cart please see:

Branded tokens as condition

You can use the amount of collected branded tokens as a condition for your marketing promotions. For example user with more than x tokens will have free shipping on their orders in the christmas time. Or user with more than x token will get a special user-group which gives them other advantages. Add widget to layout

Branded tokens as bonus

Here you can give tokens to users based on a condition. For example if a user enters a specific coupon code on check-out, he will get additional x tokens as a bonus. This will be visible to the user in the order summary while doing the check-out. Add widget to layout

Known issues

  • Deletion of orders that had previously the state Deduct or Grant on YES, does not revert the token transfer (only setting a proper status can revert the transaction - please see section Configure order statuses above)


OST Loyalty 2.0




No releases published


No packages published