pragma solidity ^0.6.0;
pragma experimental ABIEncoderV2;


interface AaveProtocolDataProvider {
    function getUserReserveData(address asset, address user) external view returns (
        uint256 currentATokenBalance,
        uint256 currentStableDebt,
        uint256 currentVariableDebt,
        uint256 principalStableDebt,
        uint256 scaledVariableDebt,
        uint256 stableBorrowRate,
        uint256 liquidityRate,
        uint40 stableRateLastUpdated,
        bool usageAsCollateralEnabled
    );

    function getReserveConfigurationData(address asset) external view returns (
        uint256 decimals,
        uint256 ltv,
        uint256 liquidationThreshold,
        uint256 liquidationBonus,
        uint256 reserveFactor,
        bool usageAsCollateralEnabled,
        bool borrowingEnabled,
        bool stableBorrowRateEnabled,
        bool isActive,
        bool isFrozen
    );

    function getReserveData(address asset) external view returns (
        uint256 availableLiquidity,
        uint256 totalStableDebt,
        uint256 totalVariableDebt,
        uint256 liquidityRate,
        uint256 variableBorrowRate,
        uint256 stableBorrowRate,
        uint256 averageStableBorrowRate,
        uint256 liquidityIndex,
        uint256 variableBorrowIndex,
        uint40 lastUpdateTimestamp
    );

    function getReserveTokensAddresses(address asset) external view returns (
        address aTokenAddress,
        address stableDebtTokenAddress,
        address variableDebtTokenAddress
    );
}

interface AaveLendingPool {
    function getUserAccountData(address user) external view returns (
        uint256 totalCollateralETH,
        uint256 totalDebtETH,
        uint256 availableBorrowsETH,
        uint256 currentLiquidationThreshold,
        uint256 ltv,
        uint256 healthFactor
    );
}

interface TokenInterface {
    function totalSupply() external view returns (uint);
}

interface AaveAddressProvider {
    function getLendingPool() external view returns (address);
    function getPriceOracle() external view returns (address);
}

interface AavePriceOracle {
    function getAssetPrice(address _asset) external view returns(uint256);
    function getAssetsPrices(address[] calldata _assets) external view returns(uint256[] memory);
    function getSourceOfAsset(address _asset) external view returns(uint256);
    function getFallbackOracle() external view returns(uint256);
}

interface AaveIncentivesInterface {
    struct AssetData {
        uint128 emissionPerSecond;
        uint128 lastUpdateTimestamp;
        uint256 index;
    }

    function getRewardsBalance(
        address[] calldata assets,
        address user
    ) external view returns (uint256);

    function assets(
        address asset
    ) external view returns (AssetData memory);
}

interface ChainLinkInterface {
    function latestAnswer() external view returns (int256);
    function decimals() external view returns (uint256);
}