/**
  * @param \Heystack\Ecommerce\Currency\Interfaces\CurrencyInterface $currency
  * @return string
  */
 public function getColumnName(CurrencyInterface $currency)
 {
     return sprintf("%s%s%s", $this->prefix, $currency->getCurrencyCode(), $this->suffix);
 }
 /**
  * @param \Heystack\Ecommerce\Currency\Interfaces\CurrencyInterface $currency
  * @return void
  */
 protected function addCurrency(CurrencyInterface $currency)
 {
     $this->currencies[$currency->getIdentifier()->getFull()] = $currency;
 }