Merge pull request #4273 from gibkigonzo/bugfix/omit-totals-for-product-comparision

omit totals for product comparision

Author: Tomasz Kostuch

CHANGELOG.md

@@ -26,7 +26,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - update replaceNumberToString, so it will change ONLY numbers to string - @gibkigonzo (#4217)
 - allow empty shipping methods in checkout - @gibkigozno (#4192)
 - configure products before price update - this is needed to have variant sku as product sku - @gibkigonzo (#4053)
-- omit stock when creating cart hash, it is not needed to compare products - @gibkigozno (#4235)
+- omit stock and totals when creating cart hash, it is not needed to compare products - @gibkigozno (#4235, #4273)
 
 ## [1.11.2] - 2020.03.10
 

core/helpers/index.ts

@@ -225,7 +225,9 @@ export const serial = async promises => {
 // helper to calculate the hash of the shopping cart
 export const calcItemsHmac = (items = [], token) => {
   return sha3_224(JSON.stringify({
-    items: items.map(item => omit(item, ['stock'])),
+    // we need to omit those properties because they are loaded async and added to product data
+    // and they are not needed to compare products
+    items: items.map(item => omit(item, ['stock', 'totals'])),
     token: token
   }))
 }