events

v2/contracts/evm/ERC20Custody.sol

@@ -65,6 +65,8 @@ contract ERC20Custody is IERC20Custody, ReentrancyGuard, AccessControl, Pausable
     function updateTSSAddress(address newTSSAddress) external onlyRole(TSS_UPDATER_ROLE) {
         if (newTSSAddress == address(0)) revert ZeroAddress();
         tssAddress = newTSSAddress;
+
+        emit UpdatedCustodyTSSAddress(newTSSAddress);
     }
 
     /// @notice Unpause contract.

v2/contracts/evm/GatewayEVM.sol

@@ -89,6 +89,8 @@ contract GatewayEVM is
     function updateTSSAddress(address newTSSAddress) external onlyRole(TSS_UPDATER_ROLE) {
         if (newTSSAddress == address(0)) revert ZeroAddress();
         tssAddress = newTSSAddress;
+
+        emit UpdatedGatewayTSSAddress(newTSSAddress);
     }
 
     /// @notice Pause contract.

v2/contracts/evm/interfaces/IERC20Custody.sol

@@ -40,6 +40,10 @@ interface IERC20CustodyEvents {
 
     /// @notice Emitted in legacy deposit method.
     event Deposited(bytes recipient, IERC20 indexed asset, uint256 amount, bytes message);
+
+    /// @notice Emitted when tss address is updated
+    /// @param newTSSAddress new tss address
+    event UpdatedCustodyTSSAddress(address newTSSAddress);
 }
 
 /// @title IERC20CustodyErrors

v2/contracts/evm/interfaces/IGatewayEVM.sol

@@ -49,6 +49,10 @@ interface IGatewayEVMEvents {
     /// @param payload The calldata passed to the call.
     /// @param revertOptions Revert options.
     event Called(address indexed sender, address indexed receiver, bytes payload, RevertOptions revertOptions);
+
+    /// @notice Emitted when tss address is updated
+    /// @param newTSSAddress new tss address
+    event UpdatedGatewayTSSAddress(address newTSSAddress);
 }
 
 /// @title IGatewayEVMErrors

v2/test/ERC20Custody.t.sol

@@ -83,6 +83,8 @@ contract ERC20CustodyTest is Test, IGatewayEVMErrors, IGatewayEVMEvents, IReceiv
 
     function testTSSUpgrade() public {
         vm.startPrank(owner);
+        vm.expectEmit(true, true, true, true, address(custody));
+        emit UpdatedCustodyTSSAddress(tssAddress);
         custody.updateTSSAddress(tssAddress);
         address newTssAddress = custody.tssAddress();
         assertEq(newTssAddress, tssAddress);

v2/test/GatewayEVM.t.sol

@@ -82,6 +82,8 @@ contract GatewayEVMTest is Test, IGatewayEVMErrors, IGatewayEVMEvents, IReceiver
 
     function testTSSUpgrade() public {
         vm.startPrank(owner);
+        vm.expectEmit(true, true, true, true, address(gateway));
+        emit UpdatedGatewayTSSAddress(tssAddress);
         gateway.updateTSSAddress(tssAddress);
         address newTssAddress = gateway.tssAddress();
         assertEq(newTssAddress, tssAddress);