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<?php |
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namespace Bineks\Coinmarketcap\Services; |
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use Carbon\Carbon; |
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use Illuminate\Support\Facades\Cache; |
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/** |
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* Class CoinMarketCap. |
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*/ |
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class CoinMarketCap |
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{ |
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/** @var string */ |
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const SERVICE_URL = 'https://api.coinmarketcap.com/v2/'; |
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/** |
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* Send request to CoinMarketCap.com. |
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* |
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* @param string $method |
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* @param string $url |
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* @param array $query |
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* |
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* @return null|mixed |
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*/ |
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public function doRequest(string $method, string $url, array $query = []) |
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{ |
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return Cache::remember( |
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$this->getCacheKey($method, $url, $query), |
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Carbon::now()->addSeconds(config('services.coinmarketcap.cache.timeout', 5)), |
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function () use ($method, $url, $query) { |
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$client = new \GuzzleHttp\Client([ |
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'base_uri' => self::SERVICE_URL, |
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'protocols' => 'https', |
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]); |
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$response = $client->request($method, $url, [ |
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'http_errors' => false, |
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'query' => $query, |
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]); |
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if ($response->getStatusCode() == 200) { |
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return json_decode($response->getBody()->getContents(), true); |
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} |
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}); |
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} |
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/** |
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* This method gets cryptocurrency ticker data in order of rank. |
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* The maximum number of results per call is 100. |
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* Pagination is possible by using the start and limit parameters. |
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* |
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* @param int $start |
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* @param int $limit |
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* |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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* |
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* @return null|array |
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*/ |
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public function getTicker(int $start = 1, int $limit = 100): ?array |
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{ |
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$response = $this->doRequest('GET', 'ticker', [ |
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'start' => $start, |
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'limit' => $limit, |
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]); |
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return array_get($response, 'data'); |
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} |
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/** |
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* This method gets cryptocurrency ticker data. |
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* |
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* @param int $id |
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* |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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* |
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* @return null|array |
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*/ |
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public function getTickerById(int $id): ?array |
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{ |
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$response = $this->doRequest('GET', "ticker/{$id}"); |
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return array_get($response, 'data'); |
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} |
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/** |
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* This methods gets cryptocurrency ticker data. |
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* example "ETH". |
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* |
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* @param string $symbol |
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* |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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* |
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* @return null|array |
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*/ |
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public function getTickerBySymbol(string $symbol): ?array |
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{ |
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$listings = $this->getListings(); |
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if (!empty($listings)) { |
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$item = collect($listings)->firstWhere('symbol', $symbol); |
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if (!empty($item)) { |
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$id = array_get($item, 'id'); |
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$response = $this->doRequest('GET', "ticker/{$id}"); |
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return array_get($response, 'data'); |
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} |
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} |
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return null; |
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} |
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/** |
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* This methods gets all active cryptocurrency listings in one call. |
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* Use the "id" field on the Ticker endpoint to query more information on a specific cryptocurrency. |
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* |
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* @throws \GuzzleHttp\Exception\GuzzleException |
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* |
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* @return null|array |
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*/ |
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public function getListings(): ?array |
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{ |
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$response = $this->doRequest('GET', 'listings'); |
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return array_get($response, 'data'); |
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} |
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/** |
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* Generate Cache key. |
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* |
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* @param string $method |
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* @param string $url |
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* @param array $query |
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* |
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* @return string |
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*/ |
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protected function getCacheKey(string $method, string $url, array $query = []): string |
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{ |
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$query = json_encode($query); |
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$prefix = config('services.coinmarketcap.cache.prefix', 'coinmarkeycap'); |
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return "{$prefix}:{$url}:{$method}:{$query}"; |
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} |
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} |
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bineks /
coinmarketcap
