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While building a payment system into an ecommerce store may be a simple integration, creating those same payment solutions in the context of a cross-platform, real-time HTML5 game is a completely different story. In this talk we will explore how to integrate a real-time store experience into the context of an HTML5 game.
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HTML5 Gaming Payment Platforms Building Scalable Game Payment Systems Jonathan LeBlanc Developer Evangelist (PayPal) jleblanc@paypal.com Twitter: @jcleblanc Github: github.com/jcleblanc
What are we going to talk about Cross Platform Digital Payments
Demo - JSWars http://29a.ch/jswars/
Session Breakdown The Architecture The Implementation The Product Webhooks
Session Breakdown The Architecture The Implementation The Product Webhooks
The Players in our Little Game Client & Server-Side Components PayPal Digital Goods (Express Checkout) HTML5 LocalStorage jQuery
How Digital Goods Work Fetch the token Display login lightbox Commit the payment Verify the payment
Fetching Identity Information Client Identity Server PayPal Identity Server
Getting the Token and Lightbox Client Requests Payment Token PayPal Returns Token Payment Lightbox Displayed to User
Fetching Inventory Information Within the Application From Client Inventory Store
Committing the Payment Client Approves Transaction PayPal Returns Transaction Data Client Activates Success State
Storing Data Store Identity Information Store Transaction Information
Verifying the Purchase Client Makes Verification Call to PayPal PayPal Returns Purchase Data for User
Fetching LocalStorage Purchases Local Storage Client Inventory System
Session Breakdown The Architecture The Implementation The Product Webhooks
Setup Sandbox User Accounts https://developer.paypal.com/
Library & Toolkit Setup Attach the script includes <script src="https://www.paypalobjects.com/js/ external/dg.js"></script> <script src="client/jquery-min.js" type="text/javascript"></script>
Creating a Billing Handler pptransact.bill({ userId:'[USER ID]', itemId:'[ITEM ID]', itemQty:'[ITEM QUANTITY]', successCallback: function(data){ //bill success }, failCallback: function(data){ //bill cancelled } });
How the Billing Flow Works Bill Digital Goods Success / Fail Billing Request Product Storage Store Details User Notification Notify User
Creating a Verification Handler pptransact.verify({ userId:'[USER ID]', itemId:'[ITEM ID]', successCallback: function(data){ //verify success }, failCallback: function(data){ //verify failed } });
How the Verification Flow Works Get Data Product Storage Success / Fail Verify Purchase Verification Request Digital Goods Success / Fail User Notification Notify User
Opening and Closing the Flow Opening the Modal Window var dgflow = dg.startFlow( 'https://www.sandbox.paypal.com/ webscr?&useraction=commit&token=###'); Closing the Modal Window dgflow.closeFlow();
Session Breakdown The Architecture The Implementation The Product Webhooks
Identity and Payment Hooks Client Identity Server PayPal Identity Server
Identity: verifyUser function verifyUser($userId = 0){ $YourSessionUserId = '888888'; $returnVal = ($userId == $YourSessionUserId) ? true : false; return $returnVal; }
Identity: getUserId function getUserId(){ $result = "888888"; return $result; }
Payment: recordPayment function recordPayment($paymentObj = ""){ $userId = $paymentObj["userId"]; $itemId = $paymentObj["itemId"]; $transactionId = $paymentObj["transactionId"]; $paymentStatus = $paymentObj["paymentStatus"]; $orderTime = $paymentObj["orderTime"]; //INSERT YOUR CODE TO SAVE THE PAYMENT DATA }
Payment: verifyPayment function verifyPayment($userId = 0, $itemId = 0){ $result = false; //INSERT YOUR CODE TO QUERY PAYMENT DATA AND //RETURN TRUE if MATCH FOUND return $result; }
Payment: getPayment function getPayment($userId = 0, $itemId = 0){ //INSERT CODE TO QUERY AND RETURN PAYMENT STRUCTURE $returnObj = array("success" => true, "error" => "", "transactionId" => "12345678", "orderTime" => "2011-09-29T04:47:51Z", "paymentStatus" => "Pending", "itemId" => "123", "userId" => "888888"); return $returnObj; }
Inventory Management Hooks Client Inventory Server PayPal Digital Goods Payment
Inventory: getItem function getItem($itemId){ $items = array( array(name => "Mega Shields", number => "123", qty => "1", taxamt => "0", amt => "1.00", desc => "Unlock the power!", category => "Digital"), ...); $returnObj = array(); for ($i = 0; $i < count($items); $i++){ if ($items[$i]['number'] == $itemId){ $returnObj = $items[$i]; } } return $returnObj; }
A Few Links The HTML5 Toolkit https://github.com/paypal/html5-dg The PayPal Sandbox (Create Test Users) https://developer.paypal.com/ JSWars Code and Demo http://29a.ch/jswars/
Thank You! Any Questions? http://www.slideshare.net/jcleblanc Jonathan LeBlanc Developer Evangelist (PayPal) jleblanc@paypal.com Twitter: @jcleblanc Github: github.com/jcleblanc