    function deposit(uint256 amount, address receiver)
        public
        virtual
        returns (uint256)
      {
        VIData storage s = _loadVISlot();
        require(s.allowList[msg.sender] && receiver == owner());
        ERC20(asset()).safeTransferFrom(msg.sender, address(this), amount);
        return amount;
      }
    modifier whenNotPaused() {
        if (ROUTER().paused()) {
          revert InvalidRequest(InvalidRequestReason.PAUSED);
        }

        if (_loadVISlot().isShutdown) {
          revert InvalidRequest(InvalidRequestReason.SHUTDOWN);
        }
        _;
      }
function deposit(uint256 amount, address receiver)
    public
    virtual 
    whenNotPaused
    returns (uint256)
  {
    VIData storage s = _loadVISlot();
    require(s.allowList[msg.sender] && receiver == owner());
    ERC20(asset()).safeTransferFrom(msg.sender, address(this), amount);
    return amount;
  }
