“Suspected Fraud” status after compeleting the payment in magento?

Question

I have made my custom module in magento, in which I have set discount in dynamically. I am using following code for this. But when I have completed the payment procedure, th

Answer 1

It takes me a long time to solve this 0.10 error,

So I will share with you what was the problem in my case:

In:

/app/code/core/Mage/Paypal/Model/Cart.php

There is a _validate function in which PayPal checks the difference between $sum and $referenceAmount.

I replace it with:

if (sprintf('%.4F', $sum) == sprintf('%.4F', $referenceAmount)) {
    $this->_areItemsValid = true;
}

I found it in a Magento backup before the upgrade.