/** * Obtain the Block resource for the given identifier (hash or height). * * @param string $hashOrHeight * @param array $params Parameters. Options: txstart, and limit * @param ApiContext $apiContext is the APIContext for this call. It can be used to pass dynamic configuration and credentials. * @param BlockCypherRestCall $restCall is the Rest Call Service that is used to make rest calls * @return Block */ public function get($hashOrHeight, $params = array(), $apiContext = null, $restCall = null) { ArgumentValidator::validate($hashOrHeight, 'hashOrHeight'); ArgumentGetParamsValidator::validate($params, 'params'); $allowedParams = array('txstart' => 1, 'limit' => 1); $params = ArgumentGetParamsValidator::sanitize($params, $allowedParams); $payLoad = ""; $chainUrlPrefix = $this->getChainUrlPrefix($apiContext); $json = $this->executeCall("{$chainUrlPrefix}/blocks/{$hashOrHeight}?" . http_build_query($params), "GET", $payLoad, null, $apiContext, $restCall); $ret = new Block(); $ret->fromJson($json); return $ret; }