Viewing file:  conversion_limits.php (1.73 KB) -rw-r--r--
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<?php
require('../src/Coinpayments.php');
require('../src/keys.php');
/** Scenario: Show conversion limits between multiple currency pairings.**/
// Setup pairings in the format "from|to" using currency tickers
$pairings = [
'BTC|LTC',
'BCH|ETH',
'XRP|XMR', // This pairing does not support conversions and should throw an error.
'XEM|ZEC' // This pairing does not support conversions and should throw an error.
];
// Prepare output and empty array for storing errors
$output = '<table><tbody><tr><td>From</td><td>To</td><td>Minimum</td><td>Maximum</td></tr>';
$errors = [];
// Loop through pairings, making API calls for each
foreach ($pairings as $pairing) {
// Split the pairing into a from and to value
$pairing_split = explode('|', $pairing);
$from = $pairing_split[0];
$to = $pairing_split[1];
// Attempt the API call
try {
$cps_api = new CoinpaymentsAPI($private_key, $public_key, 'json');
$limit = $cps_api->GetConversionLimits($from, $to);
$cps_api = null;
} catch (Exception $e) {
echo 'Error: ' . $e->getMessage();
exit();
}
// Check for errors and add to output variable or errors array depending on success
if ($limit['error'] == 'ok') {
$min = $limit['result']['min'];
$max = $limit['result']['max'];
$output .= '<tr><td>' . $from . '</td><td>' . $to . '</td><td>' . $min . '</td><td>' . $max . '</td></tr>';
} else {
$errors[] = 'Error for pairing from ' . $from . ' to ' . $to . ' : ' . $limit['error'];
}
}
// Close output HTML, check for errors and echo the output
$output .= '</tbody></table>';
if (!empty($errors)) {
foreach ($errors as $error) {
$output .= '<br>' . $error;
}
}
echo $output;
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