Merge pull request #74 from helix-bridge/xiaoch05-ownership-event

add transfer ownership event
helix-bridge · May 10, 2024 · ed6e1e9 · ed6e1e9
2 parents 036054c + 3a69d1e
commit ed6e1e9
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/helix-contract/contracts/utils/AccessController.sol b/helix-contract/contracts/utils/AccessController.sol
@@ -9,6 +9,8 @@ contract AccessController {
     address public operator;
     address public pendingDao;
 
+    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
+
     modifier onlyDao() {
         require(msg.sender == dao, "!dao");
         _;
@@ -33,10 +35,12 @@ contract AccessController {
     }
 
     function acceptOwnership() external {
+        address oldDao = dao;
         address newDao = msg.sender;
         require(pendingDao == newDao, "!pendingDao");
         delete pendingDao;
         dao = newDao;
+        emit OwnershipTransferred(oldDao, newDao);
     }
 }