Update of rig price on Betarigs using its API

gistfile1.php

<?php

// Config
$base_api_url = "https://www.betarigs.com/api/v1";
$rig_id = 1;
$percent_above_market_price = 10;
$minimum_per_speed_unit_price = 0.001;
$api_key = 'XXX';

echo "[" . date('Y-m-d H:i:s') . "] Launching price updating of rig $rig_id\n";

// First fetch which algo the rig is using the API
echo "[" . date('Y-m-d H:i:s') . "] Getting infos about rig $rig_id ...\n";
$url = $base_api_url . '/rig/' . $rig_id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$result = curl_exec($ch);
$rig_data = json_decode($result, true);

if(empty($rig_data) || empty($rig_data['algorithm']['id'])) {
  echo "[" . date('Y-m-d H:i:s') . "] *** ERROR *** Failed to get infos, stopping.\n";
  exit;
}

$algo_id = $rig_data['algorithm']['id'];
$algo_name = $rig_data['algorithm']['name'];

echo "[" . date('Y-m-d H:i:s') . "] Rig $rig_id is on the algo $algo_name (id: $algo_id) \n";

// Fetch the market price for this algo
echo "[" . date('Y-m-d H:i:s') . "] Fetching market price on $algo_name (id: $algo_id) ... \n";
$url = $base_api_url . '/algorithm/' . $algo_id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$result = curl_exec($ch);
$algo_data = json_decode($result, true);

if(empty($algo_data) || empty($algo_data['market_price']['value'])) {
  echo "[" . date('Y-m-d H:i:s') . "] *** ERROR *** Failed to get infos, stopping.\n";
  exit;
}

$algo_per_speed_unit_market_price = $algo_data['market_price']['value'];

echo "[" . date('Y-m-d H:i:s') . "] $algo_name (id: $algo_id) market price is $algo_per_speed_unit_market_price BTC/Mh/day \n";

// Computing the new price
$new_per_speed_unit_rig_price = $algo_per_speed_unit_market_price * ((100 + $percent_above_market_price) / 100);

echo "[" . date('Y-m-d H:i:s') . "] Setting the rig $rig_id per-speed-unit price $percent_above_market_price% above \n";
echo "[" . date('Y-m-d H:i:s') . "] Setting the rig $rig_id per-speed-unit price to $new_per_speed_unit_rig_price BTC/Mh/day \n";

// Checking the floor price
if($new_per_speed_unit_rig_price < $minimum_per_speed_unit_price) {
  $new_per_speed_unit_rig_price = $minimum_per_speed_unit_price;
  
  echo "[" . date('Y-m-d H:i:s') . "] **WARN ** The price is below the floor price of $minimum_per_speed_unit_price BTC/Mh/day \n";
  echo "[" . date('Y-m-d H:i:s') . "] **WARN ** Setting the rig $rig_id per-speed-unit price to $new_per_speed_unit_rig_price BTC/Mh/day \n";
}

echo "[" . date('Y-m-d H:i:s') . "] Updating the price of rig $rig_id to $new_per_speed_unit_rig_price BTC/Mh/day ... \n";

$update_data = array(
  'price' => array(
    'per_speed_unit' => array(
      'value' => $new_per_speed_unit_rig_price,
      'unit' => 'BTC/Mh/day'
    ),
  ),
);
$headers = array(
  'Content-Type: application/json', 
  'X-Api-Key: ' . $api_key
);
$url = $base_api_url . '/rig/' . $rig_id;
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "PUT"); 
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($update_data));
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
$update_data = json_decode($result, true);

if(empty($update_data) || empty($update_data['result']) || $update_data['result'] != 'OK') {
  echo "[" . date('Y-m-d H:i:s') . "] *** ERROR *** Failed to update the rig price, stopping.\n";
  exit;
}

// THERE IS CACHE!
// echo "[" . date('Y-m-d H:i:s') . "] Update succeeded, double-checking price ... \n";
// $url = $base_api_url . '/rig/' . $rig_id;
// $ch = curl_init();
// curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// curl_setopt($ch, CURLOPT_URL, $url);
// $result = curl_exec($ch);
// $rig_data = json_decode($result, true);

// if(empty($rig_data) || empty($rig_data['price']['per_speed_unit']['value'])) {
//   echo "[" . date('Y-m-d H:i:s') . "] *** ERROR *** Failed to get infos, stopping.\n";
//   exit;
// }

// $percentage_diff = abs(($rig_data['price']['per_speed_unit']['value'] - $new_per_speed_unit_rig_price) / $new_per_speed_unit_rig_price);

// if($percentage_diff > 0.001) {
//   echo "[" . date('Y-m-d H:i:s') . "] *** ERROR *** It seems the price wasn't updated correctly, target price: $new_per_speed_unit_rig_price BTC/Mh/day; actual price: " . $rig_data['price']['per_speed_unit']['value'] . " BTC/Mh/day\n";
//   exit;
// }

echo "[" . date('Y-m-d H:i:s') . "] All good! End of price updating of rig $rig_id\n";