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difficulty.php
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difficulty.php
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<?php
/**
* Terracoin Status Page - Difficulty
*
* @category File
* @package TerracoinStatus
* @author Craig Watson <craig@cwatson.org>
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @link https://github.com/thesin-/terracoind-status
*/
// Get config
require_once './php/config.php';
// Die if we're not in the whitelist or running on CLI
if (php_sapi_name() != 'cli') {
if (!in_array($_SERVER['REMOTE_ADDR'], $config['peercount_whitelist'])) {
die($_SERVER['REMOTE_ADDR'] . " is not in the whitelist");
}
}
// Clear data if variable present
if (isset($_GET['clear']) & is_file($config['difficulty_file'])) {
unlink($config['difficulty_file']);
}
// Check for existing data
if (is_file($config['difficulty_file'])) {
$data = json_decode(file_get_contents($config['difficulty_file']), true);
} else {
$data = array();
}
// If viewing is enabled, just output and die
if (isset($_GET['view'])) {
print_r($data);
die();
}
// Include EasyBitcoin library and set up connection
require_once './php/easybitcoin.php';
$terracoin = new Bitcoin($config['rpc_user'], $config['rpc_pass'], $config['rpc_host'], $config['rpc_port']);
// Setup SSL if configured
if ($config['rpc_ssl'] === true) {
$terracoin->setSSL($config['rpc_ssl_ca']);
}
// Get data via RPC
$bcinfo = $terracoin->getblockchaininfo();
if (empty($bcinfo['difficulty']))
$bcinfo['difficulty'] = 0;
// Initialise arrays
$to_insert = array(
'time' => time(),
'difficulty' => $bcinfo['difficulty'],
);
// Insert data
$data[] = $to_insert;
// Purge old data
for ($i = 0; $i < count($data); $i++) {
if ($data[$i]['time'] < (time() - $config['difficulty_max_age'])) {
array_splice($data, $i, 1);
}
}
// Save array
if (file_put_contents($config['difficulty_file'], json_encode($data), LOCK_EX) === false) {
die("Failure storing data");
}
?>