pragma solidity ^0.5.16;

interface IFuturesMarketSettings {
    struct Parameters {
        uint takerFee;
        uint makerFee;
        uint takerFeeNextPrice;
        uint makerFeeNextPrice;
        uint nextPriceConfirmWindow;
        uint maxLeverage;
        uint maxMarketValueUSD;
        uint maxFundingRate;
        uint skewScaleUSD;
    }

    function takerFee(bytes32 _marketKey) external view returns (uint);

    function makerFee(bytes32 _marketKey) external view returns (uint);

    function takerFeeNextPrice(bytes32 _marketKey) external view returns (uint);

    function makerFeeNextPrice(bytes32 _marketKey) external view returns (uint);

    function nextPriceConfirmWindow(bytes32 _marketKey) external view returns (uint);

    function maxLeverage(bytes32 _marketKey) external view returns (uint);

    function maxMarketValueUSD(bytes32 _marketKey) external view returns (uint);

    function maxFundingRate(bytes32 _marketKey) external view returns (uint);

    function skewScaleUSD(bytes32 _marketKey) external view returns (uint);

    function parameters(bytes32 _marketKey)
        external
        view
        returns (
            uint _takerFee,
            uint _makerFee,
            uint _takerFeeNextPrice,
            uint _makerFeeNextPrice,
            uint _nextPriceConfirmWindow,
            uint _maxLeverage,
            uint _maxMarketValueUSD,
            uint _maxFundingRate,
            uint _skewScaleUSD
        );

    function minKeeperFee() external view returns (uint);

    function liquidationFeeRatio() external view returns (uint);

    function liquidationBufferRatio() external view returns (uint);

    function minInitialMargin() external view returns (uint);
}