159:    /// @dev freezes the specified chain
160:    function freezeChain(uint256 _chainId) external onlyOwner {
161:        IZkSyncStateTransition(stateTransition[_chainId]).freezeDiamond();
     }

164:    /// @dev freezes the specified chain
165:    function unfreezeChain(uint256 _chainId) external onlyOwner {
166:        IZkSyncStateTransition(stateTransition[_chainId]).freezeDiamond();//@audit `freezeDiamond` called instead of `unfreezeDiamond`

    }
15: interface IZkSyncStateTransition is IAdmin, IExecutor, IGetters, IMailbox {
13:  interface IAdmin is IZkSyncStateTransitionBase {

    ....

52:  /// @notice Instantly pause the functionality of all freezable facets & their selectors
     /// @dev Only the governance mechanism may freeze Diamond Proxy
54:    function freezeDiamond() external;

     /// @notice Unpause the functionality of all freezable facets & their selectors
     /// @dev Both the admin and the STM can unfreeze Diamond Proxy
58:    function unfreezeDiamond() external;
File:  code/contracts/ethereum/contracts/state-transition/StateTransitionManager.sol
- 164:    /// @dev freezes the specified chain
+ 164:    /// @dev unfreezes the specified chain
165:    function unfreezeChain(uint256 _chainId) external onlyOwner {
- 166:        IZkSyncStateTransition(stateTransition[_chainId]).freezeDiamond();
+ 166:        IZkSyncStateTransition(stateTransition[_chainId]).unfreezeDiamond();
          }
