function _usdaToWUSDA(uint256 _usdaAmount, uint256 _totalUsdaSupply) private pure returns (uint256 _wusdaAmount) {
    _wusdaAmount = (_usdaAmount * MAX_wUSDA_SUPPLY) / _totalUsdaSupply;
  }
function deposit(uint256 _usdaAmount) external override returns (uint256 _wusdaAmount) {
    _wusdaAmount = _usdaToWUSDA(_usdaAmount, _usdaSupply());
    _deposit(_msgSender(), _msgSender(), _usdaAmount, _wusdaAmount);
  }

function withdraw(uint256 _usdaAmount) external override returns (uint256 _wusdaAmount) {
    _wusdaAmount = _usdaToWUSDA(_usdaAmount, _usdaSupply());
    _withdraw(_msgSender(), _msgSender(), _usdaAmount, _wusdaAmount);
  }
