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<?php |
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/** |
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* This file is part of Poloniex PHP SDK. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @copyright 2017-2018 Chasovskih Grisha <[email protected]> |
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* @license https://github.com/signulls/poloniex-php-sdk/blob/master/LICENSE MIT |
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*/ |
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namespace Poloniex\Api; |
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use GuzzleHttp\RequestOptions; |
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use Poloniex\PoloniexClient; |
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use Poloniex\Exception\PoloniexException; |
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use Symfony\Component\Serializer\{Serializer, SerializerAwareInterface, SerializerInterface}; |
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/** |
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* Class AbstractApi |
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* |
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* @author Grisha Chasovskih <[email protected]> |
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*/ |
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abstract class AbstractApi implements ApiInterface, SerializerAwareInterface |
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{ |
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use Traits\ResponseFactoryTrait; |
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/** |
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* Proxy address |
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* |
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* @var string|null |
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*/ |
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protected $proxy; |
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/** |
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* @var PoloniexClient |
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*/ |
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protected $client; |
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/** |
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* @var array |
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*/ |
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protected $options = []; |
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/** |
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* Request method |
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* |
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* @var string |
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*/ |
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protected $method; |
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/** |
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* Request uri |
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* |
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* @var string |
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*/ |
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protected $uri; |
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/** |
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* AbstractApi constructor. |
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* |
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* @param PoloniexClient $client |
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* @param SerializerInterface|Serializer $serializer |
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*/ |
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public function __construct( |
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PoloniexClient $client, |
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SerializerInterface $serializer |
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) { |
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$this->setSerializer($serializer); |
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$this->client = $client; |
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$this->setup(); |
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} |
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/** |
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* Set proxy |
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* |
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* @param string|null $proxy |
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*/ |
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public function setProxy(string $proxy = null): void |
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{ |
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$this->proxy = $proxy; |
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} |
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/** |
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* Call request |
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* |
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* @param string $command |
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* @param array $params |
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* |
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* @return array |
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* @throws PoloniexException |
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*/ |
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public function request(string $command, array $params = []): array |
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{ |
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if (isset($params['currencyPair']) && $params['currencyPair'] !== 'all') { |
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$this->checkPair($params['currencyPair'], $command); |
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} |
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if ($this->proxy !== null) { |
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$this->options[RequestOptions::PROXY] = $this->proxy; |
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} |
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$contents = $this->client |
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->request($this->method, $this->uri, $this->options) |
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->getBody() |
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->getContents(); |
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$this->proxy = null; |
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$response = json_decode($contents ?: '{}', true) ?: []; |
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$this->throwExceptionIf(isset($response['error']), $response['error'] ?? 'Poloniex API unknown error.'); |
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return $response; |
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} |
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/** |
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* Check currency pair |
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* |
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* @param string $currencyPair |
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* @param string $command |
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*/ |
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final protected function checkPair(string $currencyPair, string $command) |
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{ |
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$pair = explode('_', $currencyPair); |
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$this->throwExceptionIf( |
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$pair[0] === $pair[1], |
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sprintf('Unable to call "%s" with currency pair %s.', $command, $currencyPair) |
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); |
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} |
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/** |
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* Setup request method and uri |
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*/ |
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abstract protected function setup(): void; |
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} |
signulls /
poloniex-php-sdk
