Emit event when whitelist changed

Author: mpetrun5

contracts/handlers/FeeHandlerRouter.sol

@@ -18,8 +18,9 @@ contract FeeHandlerRouter is IFeeHandler, AccessControl {
     // whitelisted address => is whitelisted
     mapping(address => bool) public _whitelist;
 
-    event FeeChanged(
-        uint256 newFee
+    event WhitelistChanged(
+        address whitelistAddress,
+        bool isWhitelisted
     );
 
     error IncorrectFeeSupplied(uint256);
@@ -66,6 +67,8 @@ contract FeeHandlerRouter is IFeeHandler, AccessControl {
      */
     function adminSetWhitelist(address whitelistAddress, bool isWhitelisted) external onlyAdmin {
         _whitelist[whitelistAddress] = isWhitelisted;
+
+        emit WhitelistChanged(whitelistAddress, isWhitelisted);
     }
 
 

test/feeRouter/feeRouter.js

@@ -94,7 +94,7 @@ contract("FeeHandlerRouter", async (accounts) => {
       false
     );
 
-    await FeeHandlerRouterInstance.adminSetWhitelist(
+    const whitelistTx = await FeeHandlerRouterInstance.adminSetWhitelist(
       whitelistAddress,
       true
     );
@@ -104,6 +104,12 @@ contract("FeeHandlerRouter", async (accounts) => {
       ),
       true
     );
+    TruffleAssert.eventEmitted(whitelistTx, "WhitelistChanged", (event) => {
+      return (
+        event.whitelistAddress === whitelistAddress &&
+        event.isWhitelisted === true
+      );
+    });
   });
 
   it("should require admin role to set whitelist address", async () => {