interface IMasset is MassetStructs {

    /// @dev Calc interest
    function collectInterest() external returns (uint256 massetMinted, uint256 newTotalSupply);

    /// @dev Minting
    function mint(address _basset, uint256 _bassetQuantity)
        external returns (uint256 massetMinted);
    function mintTo(address _basset, uint256 _bassetQuantity, address _recipient)
        external returns (uint256 massetMinted);
    function mintMulti(address[] calldata _bAssets, uint256[] calldata _bassetQuantity, address _recipient)
        external returns (uint256 massetMinted);

    /// @dev Swapping
    function swap( address _input, address _output, uint256 _quantity, address _recipient)
        external returns (uint256 output);
    function getSwapOutput( address _input, address _output, uint256 _quantity)
        external view returns (bool, string memory, uint256 output);

    /// @dev Redeeming
    function redeem(address _basset, uint256 _bassetQuantity)
        external returns (uint256 massetRedeemed);
    function redeemTo(address _basset, uint256 _bassetQuantity, address _recipient)
        external returns (uint256 massetRedeemed);
    function redeemMulti(address[] calldata _bAssets, uint256[] calldata _bassetQuantities, address _recipient)
        external returns (uint256 massetRedeemed);
    function redeemMasset(uint256 _mAssetQuantity, address _recipient) external;

    /// @dev Setters for the Manager or Gov to update module info
    function upgradeForgeValidator(address _newForgeValidator) external;

    /// @dev Setters for Gov to set system params
    function setSwapFee(uint256 _swapFee) external;

    /// @dev Getters
    function getBasketManager() external view returns(address);
    function forgeValidator() external view returns (address);
    function totalSupply() external view returns (uint256);
    function swapFee() external view returns (uint256);
}
///
/// @title IMasset
/// @dev   (Internal) Interface for interacting with Masset
///       VERSION: 1.0
///       DATE:    2020-05-05
function setSwapFee(uint256 _swapFee) external;
/// @dev Setters for Gov to set system params