/**
* @param string $signature
*
* @return void
*/
public function signShopper($signature)
{
if (!$this->shopper) {
throw new InvalidStateException("Can not sign missing shopper.");
}
$this->shopper->sign($signature);
}
/**
* @param Shopper $shopper
*
* @return string
*/
public function generateShopperSignature(Shopper $shopper)
{
$values = $shopper->getSignatureValues();
$values = $this->filterValues($values);
return $this->generateSignature($values);
}