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);
  }
 }