IsValidateOneStorePurchase

public BackendReturnObject IsValidateOneStorePurchase(string productId, string purchaseToken, string receiptDescription);

Invalid special characters

Special Character	Description
'	Single quotation mark
\	Backslash

Valid special characters

Special Character	Description
.	Period
,	Comma
"	Double quotation mark
()	Parentheses
!	Exclamation mark
?	Question mark
~	Tilde
@	At sign
*	Asterisk
+	Plus
-	Hyphen
/	Slash

If you are using special characters that are not listed above, manually check that the receipt verification works properly before applying.

Parameters

Value	Type	Description
productId	string	OneStore.Purchasing.PurchaseData.purchase.ProductId
purchaseToken	string	OneStore.Purchasing.PurchaseData.purchase.PurchaseToken
receiptDescription	string	Additional details to be stored

Description

IPurchaseCallback.OnConsumeSucceeded() in the In-app payment service supported by ONE store accepts the receipt for the purchased product and verifies it via the BACKND server.

• BACKND verifies the validity of the receipt itself and the purchased productId.
• You must be logged in to BACKND to use its verification function.

Example

Synchronous

    public void BuyButton(int i)
    {
        string productId = "gold";

        // Payment logic
        ProductType productType = ProductType.INAPP;
        var purchaseFlowParams = new PurchaseFlowParams.Builder()
            .SetProductId(productId)                // Needs to be added
            .SetProductType(productType)            // Needs to be added
            .SetDeveloperPayload("Enter any additional information if necessary")  // Optional
            .Build();
        purchaseClient.Purchase(purchaseFlowParams);
    }

    public void OnPurchaseSucceeded(List<PurchaseData> purchases)
    {
        /*
        Processing BACKND receipt verification
        */
        for(int i = 0; i <  purchases.Count; i++) {

            BackendReturnObject validation = Backend.Receipt.IsValidateOneStorePurchase(purchases[i].ProductId, purchases[i].PurchaseToken, "receiptDescription");

            // When receipt verification is successful
            if (validation.IsSuccess()) {
                Debug.Log($"ProcessPurchase: PASS. Product: {purchases[i].ProductId}");

                if (purchases[i].ProductId == "gold") {
                    // Hand out Gold
                }

            } else {
                Debug.Log($"ProcessPurchase: FAIL. Unrecognized product: {purchases[i].ProductId}");
            }
        }
    }

Asynchronous

    public void BuyButton(int i)
    {
        string productId = "gold";

        // Payment logic
        ProductType productType = ProductType.INAPP;
        var purchaseFlowParams = new PurchaseFlowParams.Builder()
            .SetProductId(productId)                // Needs to be added
            .SetProductType(productType)            // Needs to be added
            .SetDeveloperPayload("Enter any additional information if necessary")  // Optional
            .Build();
        purchaseClient.Purchase(purchaseFlowParams);
    }

    public void OnPurchaseSucceeded(List<PurchaseData> purchases)
    {
        /*
        Processing BACKND receipt verification
        */
        for(int i = 0; i <  purchases.Count; i++) {

            Backend.Receipt.IsValidateOneStorePurchase(purchases[i].ProductId, purchases[i].PurchaseToken, "receiptDescription", (callback) =>
            {
                // When receipt verification is successful
                if (callback.IsSuccess()) {
                    Debug.Log($"ProcessPurchase: PASS. Product: {purchases[i].ProductId}");

                    if (purchases[i].ProductId == "gold") {
                        // Hand out Gold
                    }

                } else {
                    Debug.Log($"ProcessPurchase: FAIL. Unrecognized product: {purchases[i].ProductId}");
                }
            });
        }
    }

SendQueue

    public void BuyButton(int i)
    {
        string productId = "gold";

        // Payment logic
        ProductType productType = ProductType.INAPP;
        var purchaseFlowParams = new PurchaseFlowParams.Builder()
            .SetProductId(productId)                // Needs to be added
            .SetProductType(productType)            // Needs to be added
            .SetDeveloperPayload("Enter any additional information if necessary")  // Optional
            .Build();
        purchaseClient.Purchase(purchaseFlowParams);
    }

    public void OnPurchaseSucceeded(List<PurchaseData> purchases)
    {
        /*
        Processing BACKND receipt verification
        */
        for(int i = 0; i <  purchases.Count; i++) {

            SendQueue.Enqueue(Backend.Receipt.IsValidateOneStorePurchase, purchases[i].ProductId, purchases[i].PurchaseToken, "receiptDescription", (callback) =>
            {
                // When receipt verification is successful
                if (callback.IsSuccess()) {
                    Debug.Log($"ProcessPurchase: PASS. Product: {purchases[i].ProductId}");

                    if (purchases[i].ProductId == "gold") {
                        // Hand out Gold
                    }

                } else {
                    Debug.Log($"ProcessPurchase: FAIL. Unrecognized product: {purchases[i].ProductId}");
                }
            });
        }
    }

Return cases

Success cases

When successful
statusCode : 201
message : Success
returnValue : {"usedDate":"2018-10-15T05:17:49Z"}

Error cases

When the ONE store information in the console is incorrect
statusCode : 400
errorCode : UndefinedParameterException
message : undefined onestore client_id, onestore client_id cannot be checked

When receipt verification is not valid
statusCode : 400
errorCode : BadParameterException
message : bad token, Invalid token

When the receipt token is string.Empty
statusCode : 400
errorCode : BadParameterException
message : undefined token, token cannot be checked

When productId is string.Empty
statusCode : 400
errorCode : BadParameterException
message : undefined productId, productId cannot be checked

Tampered/forged receipt token
statusCode : 400
errorCode : BadParameterException
message : bad token, Invalid token

Already used receipt token
statusCode : 409
errorCode : UsedReceipt
message : This receipt has already been used. usedDate: 2018-02-15T04:01:50.000Z