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Merge pull request #8 from cryptochangements34/master

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Store exchange rate as cookie
This commit is contained in:
serhack 2017-08-05 19:12:38 +02:00 committed by GitHub
commit af89e2052e
1 changed files with 24 additions and 1 deletions
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25
monero/include/monero_payments.php
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@ -152,12 +152,34 @@ class Monero_Gateway extends WC_Payment_Gateway
} }
public function changeto($amount, $currency) public function changeto($amount, $currency)
{
if(!isset($_COOKIE['rate']))
{ {
$xmr_live_price = $this->retriveprice($currency); $xmr_live_price = $this->retriveprice($currency);
setcookie('rate', $xmr_live_price, time()+2700);
$new_amount = $amount / $xmr_live_price; $new_amount = $amount / $xmr_live_price;
$rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001 $rounded_amount = round($new_amount, 12); //the moneo wallet can't handle decimals smaller than 0.000000000001
return $rounded_amount; return $rounded_amount;
} }
else
{
$rate_cookie = $_COOKIE['rate'];
$xmr_live_price = $this->retriveprice($currency);
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
{ //this is so that the merchant does not lose money from exchange market forces or cookie tampering
$new_amount = $amount / $rate_cookie;
$rounded_amount = round($new_amount, 12);
return $rounded_amount;
}
else
{
setcookie('rate', $xmr_live_price, time()+2700);
$new_amount = $amount / $xmr_live_price;
$rounded_amount = round($new_amount, 12);
return $rounded_amount;
}
}
}
// Submit payment and handle response // Submit payment and handle response
@ -226,6 +248,7 @@ class Monero_Gateway extends WC_Payment_Gateway
$this->log->add('Monero_Gateway', '[ERROR] Unable to getting integrated address '); $this->log->add('Monero_Gateway', '[ERROR] Unable to getting integrated address ');
} }
$message = $this->verify_payment($payment_id, $amount_xmr2, $order); $message = $this->verify_payment($payment_id, $amount_xmr2, $order);
echo "<h4>".$message."</h4>";
echo "<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'>"; echo "<link rel='stylesheet' href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css'>";
echo "<div class='row'> echo "<div class='row'>
@ -278,7 +301,7 @@ class Monero_Gateway extends WC_Payment_Gateway
</div> </div>
</div> </div>
<script type='text/javascript'> <script type='text/javascript'>
setTimeout(function () { location.reload(true); }, 5000); setTimeout(function () { location.reload(true); }, 30000);
</script>"; </script>";
} }