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Store exchange rate as cookie
Stores exchange rate as a cookie (with protection against tampering), but will update if the price of monero changes by more than 1 fiat denomination. Also shows the message returned by verify_payment as a label.
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1 changed files with 24 additions and 1 deletions
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@ -152,12 +152,34 @@ class Monero_Gateway extends WC_Payment_Gateway
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}
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public function changeto($amount, $currency)
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{
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if(!isset($_COOKIE['rate']))
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{
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$xmr_live_price = $this->retriveprice($currency);
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setcookie('rate', $xmr_live_price, time()+2700);
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$new_amount = $amount / $xmr_live_price;
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$rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001
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return $rounded_amount;
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}
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else
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{
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$rate_cookie = $_COOKIE['rate'];
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$xmr_live_price = $this->retriveprice($currency);
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if($xmr_live_price - $rate_cookie <= 1) //reset rate if there is a difference of 1 EURO/DOLLAR/ETC between the live rate and the cookie rate
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{ //this is so that the merchant does not lose money from exchange market forces or cookie tampering
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$new_amount = $amount / $rate_cookie;
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$rounded_amount = round($new_amount, 12);
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return $rounded_amount;
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}
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else
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{
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setcookie('rate', $xmr_live_price, time()+2700);
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$new_amount = $amount / $xmr_live_price;
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$rounded_amount = round($new_amount, 12);
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return $rounded_amount;
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}
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}
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}
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// Submit payment and handle response
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@ -226,6 +248,7 @@ class Monero_Gateway extends WC_Payment_Gateway
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$this->log->add('Monero_Gateway', '[ERROR] Unable to getting integrated address ');
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}
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$message = $this->verify_payment($payment_id, $amount_xmr2, $order);
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echo "<h4>".$message."</h4>";
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echo "<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'>";
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echo "<div class='row'>
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@ -278,7 +301,7 @@ class Monero_Gateway extends WC_Payment_Gateway
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</div>
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</div>
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<script type='text/javascript'>
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setTimeout(function () { location.reload(true); }, 5000);
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setTimeout(function () { location.reload(true); }, 30000);
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</script>";
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}
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