Omnilance::setHeaders

private function setHeaders(string $endPoint, ?string $payLoad = null): void
{
	if (!$payLoad)
	{
		$payLoad = '';
	}

	$signature = hash_hmac('sha256', $this->apiKey . $endPoint . $payLoad, $this->secretKey);
	$this->http->setHeader('X-OMNI-APIKEY', $this->apiKey);
	$this->http->setHeader('X-OMNI-SIGNATURE', $signature);
	$this->http->setHeader('content-type', 'application/json');
}