vk/Coin.php

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PHP
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<?php
namespace VK;
require_once('config_library.php');
/**
* Class Coin
* @package VK
*/
class Coin {
/**
* @var string
*/
protected $merchant_id = '';
/**
* @var object | null
*/
private $data_request = null;
/**
* @var string
*/
private $merchant_key = '';
/**
* vk_api constructor.
* @param $token
* @param $merchant_id
*/
public function __construct($token, $merchant_id) {
$this->merchant_key = $token;
$this->merchant_id = $merchant_id;
}
/**
* @param $token
* @param $merchant_id
* @return Coin
*/
public static function create($token, $merchant_id) {
return new self($token, $merchant_id);
}
/**
* @param $user_id
* @param int $amount
* @return array|bool
*/
public function sendCoins($user_id, $amount) {
try {
$amount = $this->request('send', ['amount' => $amount * 1000, 'toId' => $user_id]);
if (isset($amount['amount']) && isset($amount['current'])) {
$amount['amount'] /= 1000;
$amount['current'] /= 1000;
}
return 1;
} catch (VkApiException $e) {
return 0;
}
}
/**
* @param array $user_ids
* @return array|bool
* @throws VkApiException
*/
public function getBalance($user_ids = []) {
if (empty($user_ids) or !is_array($user_ids))
$user_ids = empty($user_ids) ? [$this->merchant_id] : [$user_ids];
$results = $this->request('score', ['userIds' => $user_ids]);
if (count($results) < count($user_ids)) {
$nonexistent_id = join(',', (array_diff($user_ids, array_keys($results))));
throw new VkApiException("Попытка получить баланс следущих несуществующих пользователей:\n$nonexistent_id");
}
$this->_toCoin($results);
$results = array_combine($user_ids, array_values($results));
if (is_array($user_ids) && count($user_ids) == 1)
return $results[current($user_ids)];
else
return $results;
}
/**
* @param string $name
* @return array|bool
* @throws VkApiException
*/
public function setName($name) {
return $this->request('set', ['name' => $name]);
}
/**
* @param string $url
* @return array|bool
* @throws VkApiException
*/
public function setCallBack($url = null) {
return $this->request('set', ['callback' => $url]);
}
/**
* @return array|bool
* @throws VkApiException
*/
public function deleteCallBack() {
return $this->request('set', ['callback' => null]);
}
/**
* @return array|bool
* @throws VkApiException
*/
public function getLogs() {
return $this->request('set', ['status' => 1]);
}
/**
* @param int $sum
* @param int $payload
* @param bool $fixed_sum
* @param bool $to_hex
* @return array|string
*/
public function getLink($sum = 0, $fixed_sum = true, $payload = 0, $to_hex = false) {
$payload = ($payload !== 0) ? $payload : rand(-2000000000, 2000000000);
$fixed_sum = $fixed_sum ? '' : '_1';
if ($sum === 0)
return 'vk.com/coin#t' . $this->merchant_id;
$sum = (int)($sum * 1000);
if ($to_hex) {
$merchant_id = dechex($this->merchant_id);
$sum = dechex($sum);
$payload = dechex($payload);
return ['url' => "vk.com/coin#m{$merchant_id}_{$sum}_{$payload}{$fixed_sum}", 'payload' => $payload];
} else {
$merchant_id = $this->merchant_id;
return ['url' => "vk.com/coin#x{$merchant_id}_{$sum}_{$payload}{$fixed_sum}", 'payload' => $payload];
}
}
/**
* @param array $last_tx
* @return bool|mixed
* @throws VkApiException
*/
public function getStoryShop($last_tx = []) {
return $this->getTransaction(1, $last_tx);
}
/**
* @param array $last_tx
* @return bool|mixed
* @throws VkApiException
*/
public function getStoryAccount($last_tx = []) {
return $this->getTransaction(2, $last_tx);
}
/**
* @param array $transaction
* @return bool|mixed
* @throws VkApiException
*/
public function getInfoTransactions($id_transactions) {
if (is_array($id_transactions))
return $this->getTransaction($id_transactions);
else if (is_numeric($id_transactions))
return $this->getTransaction([$id_transactions]);
return 0;
}
/**
* @param $from_id
* @param $amount
* @param $payloadа
* @param $verify
* @param $data
*/
public function initVars(&$from_id, &$amount, &$payload, &$verify, &$data) {
print 'OK';
$data_request = json_decode(file_get_contents('php://input'));
$data = $this->data_request = $data_request;
if (is_object($this->data_request) &&
isset($this->data_request->id) &&
isset($this->data_request->from_id) &&
isset($this->data_request->amount) &&
isset($this->data_request->payload) &&
isset($this->data_request->key)) {
$from_id = $data_request->from_id;
$payload = $data_request->payload;
$amount = $data_request->amount;
$verify = $this->verifyKeys();
}
}
/**
* @return bool
*/
private function verifyKeys() {
$parameters = [
$this->data_request->id,
$this->data_request->from_id,
$this->data_request->amount,
$this->data_request->payload,
$this->data_request->merchant_key,
];
$key = md5(implode(';', $parameters));
return $this->data_request->key === $key;
}
/**
* @param $tx
* @param array $last_tx
* @return bool|mixed
* @throws VkApiException
*/
private function getTransaction($tx, $last_tx = []) {
if (!empty($last_tx))
$last_tx = ['lastTx' => $last_tx];
if (!is_array($tx))
$tx = [$tx];
$request = $this->request('tx', ['tx' => $tx] + $last_tx);
$this->_toCoin($request);
return $request;
}
/**
* @param $results
*/
private function _toCoin(&$results) {
if (is_array($results))
foreach ($results as $key => $value) {
if (is_array($value) && isset($results[$key]['amount']))
@$results[$key]['amount'] = is_int($results[$key]['amount']) ?
(float)($value['amount'] / 1000) :
$results[$key]['amount'];
else
$results[$key] = (float)($value / 1000);
}
}
/**
* @param $method
* @param array $params
* @return bool|mixed
* @throws VkApiException
*/
private function request($method, $params = []) {
$params['merchantId'] = $this->merchant_id;
$params['key'] = $this->merchant_key;
$url = 'https://coin-without-bugs.vkforms.ru/merchant/' . $method . '/';
try {
return $this->request_core($url, $params);
} catch (VkApiException $e) {
$exception = json_decode($e->getMessage(), true);
if (in_array($exception['error']['code'], [500, 422]))
throw new VkApiException($exception['error']['message']);
else
throw new VkApiException($e->getMessage());
}
}
/**
* @param $url
* @param array $params
* @return mixed
* @throws VkApiException
*/
private function request_core($url, $params = []) {
if (function_exists('curl_init')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json'
]);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params, JSON_UNESCAPED_UNICODE));
$result = json_decode(curl_exec($ch), True);
curl_close($ch);
} else {
$result = json_decode(file_get_contents($url, true, stream_context_create([
'http' => [
'method' => 'POST',
'header' => "Content-Type: application/json\r\n",
'content' => http_build_query($params)
]
])), true);
}
if (!isset($result) or isset($result['error']))
throw new VkApiException('Вк вернул ошибку:' . json_encode($result));
if (isset($result['response']))
return $result['response'];
else
return $result;
}
}