/**
* Get locked balance (the current amount of unavailable funds)
*
* @return decimal locked balance in XMR
*/
public function get_locked_balance()
{
$result = $this->_get_balances();
return bc::div(bc::op($result['balance'], '-', $result['unlocked_balance']), $this->multiplier);
}
$asset_config = $config['asset'][XMR];
$asset_id = $asset->get_id();
$user_id = $user->id();
$payment_id = null;
$balance = null;
$balance = $asset->get_balance($user);
$payment_id = $asset->get_payment_id($user);
// If payment id was not found, create one
if (!$payment_id or isset($_POST['new_payment_id'])) {
$asset->create_payment_id($user);
refresh();
}
if (isset($_POST['withdraw_xmr'])) {
$amount = trim($_POST['xmr_amount']);
// Prepare POST data
$post = array('address' => trim($_POST['xmr_address']), 'payment_id' => trim($_POST['xmr_payment_id']), 'amount' => $amount, 'mixin' => filter_var($_POST['xmr_mixin'], FILTER_VALIDATE_INT, array('options' => array('default' => $asset_config['default_mixin'], 'min_range' => $asset_config['min_mixin'], 'max_range' => $asset_config['max_mixin']))), 'receivable_amount' => bc::op($amount, '-', $asset_config['withdraw_fee']), 'asset_id' => $asset->id);
if (!csrf_check($_POST['csrf_token'])) {
$error->set('xmr_address', 'Invalid CSRF, session expired. Please refresh.');
}
if (!$asset->valid_address($post['address'])) {
$error->set('xmr_address', 'Please enter a valid XMR Address');
}
if (!$asset->valid_payment_id($post['payment_id'])) {
$error->set('xmr_payment_id', 'Please enter a valid Payment ID (64 characters, alpha-numeric string) or leave the field empty to send without payment id');
}
if (!$asset->valid_amount($post['amount'])) {
$error->set('xmr_amount', 'Enter a valid amount');
}
if (!$asset->valid_withdraw($post['amount'], $asset_config['withdraw_fee'])) {
$error->set('xmr_amount', 'Enter a valid amount');
}
/**
* Validates withdraw (minimum withdraw)
*
* @param string|float amount
* @param string|float fee
* @return bool
*/
public function valid_withdraw($amount, $fee)
{
global $config;
$amount_after_fee = bc::op($amount, '-', $fee);
// Check if amount after fee is negative
if (bc::is($amount_after_fee, '=<', '0')) {
return FALSE;
}
// Enforce minimum withdraw
return (bool) (bccomp($amount, $config['asset'][$this->id]['min_withdraw']) !== -1);
}
