add read method for feeinfo object (#599)

etherisc · Aug 15, 2024 · 4b37dd4 · 4b37dd4
1 parent 64dd397
commit 4b37dd4
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/contracts/instance/InstanceReader.sol b/contracts/instance/InstanceReader.sol
@@ -408,6 +408,17 @@ contract InstanceReader {
         }
     }
 
+    function getFeeInfo(NftId productNftId)
+        public
+        view
+        returns (IComponents.FeeInfo memory feeInfo)
+    {
+        bytes memory data = _store.getData(toFeeKey(productNftId));
+        if (data.length > 0) {
+            return abi.decode(data, (IComponents.FeeInfo));
+        }
+    }
+
     function getPoolInfo(NftId poolNftId)
         public
         view
@@ -554,6 +565,10 @@ contract InstanceReader {
         return productNftId.toKey32(PRODUCT());
     }
 
+    function toFeeKey(NftId productNftId) public pure returns (Key32) { 
+        return productNftId.toKey32(FEE());
+    }
+
     // low level function
     function getInstance() external view returns (IInstance instance) {
         return _instance;