#19897: MSRP block caching fix.

Author: p-bystritsky

app/code/Magento/Msrp/Pricing/Price/MsrpPrice.php

@@ -93,6 +93,8 @@ public function canApplyMsrp(Product $product)
     }
 
     /**
+     * Check if is minimal price is less than the msrp.
+     *
      * @param Product $product
      * @return bool|float
      */

app/code/Magento/Msrp/Pricing/Render/PriceBox.php

@@ -59,4 +59,16 @@ public function getMsrpPriceCalculator(): MsrpPriceCalculatorInterface
     {
         return $this->msrpPriceCalculator;
     }
+
+    /**
+     * @inheritDoc
+     */
+    public function getCacheKey()
+    {
+        return sprintf(
+            '%s-%s',
+            parent::getCacheKey(),
+            $this->getZone()
+        );
+    }
 }