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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {IERC20} from "../../dependencies/openzeppelin/contracts/IERC20.sol";
import {WadRayMath} from "../libraries/math/WadRayMath.sol";
import {PercentageMath} from "../libraries/math/PercentageMath.sol";
import {DataTypes} from "../libraries/types/DataTypes.sol";
import {IReserveInterestRateStrategy} from "../../interfaces/IReserveInterestRateStrategy.sol";
import {IPoolAddressesProvider} from "../../interfaces/IPoolAddressesProvider.sol";
import {IToken} from "../../interfaces/IToken.sol";
import {Errors} from "../libraries/helpers/Errors.sol";

/**
 * @title DefaultReserveInterestRateStrategy contract
 *
 * @notice Implements the calculation of the interest rates depending on the reserve state
 * @dev The model of interest rate is based on 2 slopes, one before the `OPTIMAL_USAGE_RATIO`
 * point of usage and another from that one to 100%.
 * - An instance of this same contract, can't be used across different ParaSpace markets, due to the caching
 *   of the PoolAddressesProvider
 **/
contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy {
    using WadRayMath for uint256;
    using PercentageMath for uint256;

    /**
     * @dev This constant represents the usage ratio at which the pool aims to obtain most competitive borrow rates.
     * Expressed in ray
     **/
    uint256 public immutable OPTIMAL_USAGE_RATIO;

    /**
     * @dev This constant represents the excess usage ratio above the optimal. It's always equal to
     * 1-optimal usage ratio. Added as a constant here for gas optimizations.
     * Expressed in ray
     **/
    uint256 public immutable MAX_EXCESS_USAGE_RATIO;

    IPoolAddressesProvider public immutable ADDRESSES_PROVIDER;

    // Base variable borrow rate when usage rate = 0. Expressed in ray
    uint256 internal immutable _baseVariableBorrowRate;

    // Slope of the variable interest curve when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO. Expressed in ray
    uint256 internal immutable _variableRateSlope1;

    // Slope of the variable interest curve when usage ratio > OPTIMAL_USAGE_RATIO. Expressed in ray
    uint256 internal immutable _variableRateSlope2;

    /**
     * @dev Constructor.
     * @param provider The address of the PoolAddressesProvider contract
     * @param optimalUsageRatio The optimal usage ratio
     * @param baseVariableBorrowRate The base variable borrow rate
     * @param variableRateSlope1 The variable rate slope below optimal usage ratio
     * @param variableRateSlope2 The variable rate slope above optimal usage ratio
     */
    constructor(
        IPoolAddressesProvider provider,
        uint256 optimalUsageRatio,
        uint256 baseVariableBorrowRate,
        uint256 variableRateSlope1,
        uint256 variableRateSlope2
    ) {
        require(
            WadRayMath.RAY >= optimalUsageRatio,
            Errors.INVALID_OPTIMAL_USAGE_RATIO
        );
        OPTIMAL_USAGE_RATIO = optimalUsageRatio;
        MAX_EXCESS_USAGE_RATIO = WadRayMath.RAY - optimalUsageRatio;
        ADDRESSES_PROVIDER = provider;
        _baseVariableBorrowRate = baseVariableBorrowRate;
        _variableRateSlope1 = variableRateSlope1;
        _variableRateSlope2 = variableRateSlope2;
    }

    /**
     * @notice Returns the variable rate slope below optimal usage ratio
     * @dev Its the variable rate when usage ratio > 0 and <= OPTIMAL_USAGE_RATIO
     * @return The variable rate slope
     **/
    function getVariableRateSlope1() external view returns (uint256) {
        return _variableRateSlope1;
    }

    /**
     * @notice Returns the variable rate slope above optimal usage ratio
     * @dev Its the variable rate when usage ratio > OPTIMAL_USAGE_RATIO
     * @return The variable rate slope
     **/
    function getVariableRateSlope2() external view returns (uint256) {
        return _variableRateSlope2;
    }

    /// @inheritdoc IReserveInterestRateStrategy
    function getBaseVariableBorrowRate()
        external
        view
        override
        returns (uint256)
    {
        return _baseVariableBorrowRate;
    }

    /// @inheritdoc IReserveInterestRateStrategy
    function getMaxVariableBorrowRate()
        external
        view
        override
        returns (uint256)
    {
        return
            _baseVariableBorrowRate + _variableRateSlope1 + _variableRateSlope2;
    }

    struct CalcInterestRatesLocalVars {
        uint256 availableLiquidity;
        uint256 totalDebt;
        uint256 currentVariableBorrowRate;
        uint256 currentLiquidityRate;
        uint256 borrowUsageRatio;
        uint256 supplyUsageRatio;
        uint256 availableLiquidityPlusDebt;
    }

    /// @inheritdoc IReserveInterestRateStrategy
    function calculateInterestRates(
        DataTypes.CalculateInterestRatesParams calldata params
    ) external view override returns (uint256, uint256) {
        CalcInterestRatesLocalVars memory vars;

        vars.totalDebt = params.totalVariableDebt;

        vars.currentLiquidityRate = 0;
        vars.currentVariableBorrowRate = _baseVariableBorrowRate;

        if (vars.totalDebt != 0) {
            vars.availableLiquidity =
                IToken(params.reserve).balanceOf(params.xToken) +
                params.liquidityAdded -
                params.liquidityTaken;

            vars.availableLiquidityPlusDebt =
                vars.availableLiquidity +
                vars.totalDebt;
            vars.borrowUsageRatio = vars.totalDebt.rayDiv(
                vars.availableLiquidityPlusDebt
            );
            vars.supplyUsageRatio = vars.totalDebt.rayDiv(
                vars.availableLiquidityPlusDebt
            );
        }

        if (vars.borrowUsageRatio > OPTIMAL_USAGE_RATIO) {
            uint256 excessBorrowUsageRatio = (vars.borrowUsageRatio -
                OPTIMAL_USAGE_RATIO).rayDiv(MAX_EXCESS_USAGE_RATIO);

            vars.currentVariableBorrowRate +=
                _variableRateSlope1 +
                _variableRateSlope2.rayMul(excessBorrowUsageRatio);
        } else {
            vars.currentVariableBorrowRate += _variableRateSlope1
                .rayMul(vars.borrowUsageRatio)
                .rayDiv(OPTIMAL_USAGE_RATIO);
        }

        vars.currentLiquidityRate = vars
            .currentVariableBorrowRate
            .rayMul(vars.supplyUsageRatio)
            .percentMul(
                PercentageMath.PERCENTAGE_FACTOR - params.reserveFactor
            );

        return (vars.currentLiquidityRate, vars.currentVariableBorrowRate);
    }
}

// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";

/**
 * @title IReserveInterestRateStrategy
 *
 * @notice Interface for the calculation of the interest rates
 */
interface IReserveInterestRateStrategy {
    /**
     * @notice Returns the base variable borrow rate
     * @return The base variable borrow rate, expressed in ray
     **/
    function getBaseVariableBorrowRate() external view returns (uint256);

    /**
     * @notice Returns the maximum variable borrow rate
     * @return The maximum variable borrow rate, expressed in ray
     **/
    function getMaxVariableBorrowRate() external view returns (uint256);

    /**
     * @notice Calculates the interest rates depending on the reserve's state and configurations
     * @param params The parameters needed to calculate interest rates
     * @return liquidityRate The liquidity rate expressed in rays
     * @return variableBorrowRate The variable borrow rate expressed in rays
     **/
    function calculateInterestRates(
        DataTypes.CalculateInterestRatesParams memory params
    ) external view returns (uint256, uint256);
}

// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {DataTypes} from "../protocol/libraries/types/DataTypes.sol";
import {IParaProxy} from "../interfaces/IParaProxy.sol";

/**
 * @title IPoolAddressesProvider
 *
 * @notice Defines the basic interface for a Pool Addresses Provider.
 **/
interface IPoolAddressesProvider {
    /**
     * @dev Emitted when the market identifier is updated.
     * @param oldMarketId The old id of the market
     * @param newMarketId The new id of the market
     */
    event MarketIdSet(string indexed oldMarketId, string indexed newMarketId);

    /**
     * @dev Emitted when the pool is updated.
     * @param implementationParams The old address of the Pool
     * @param _init The new address to call upon upgrade
     * @param _calldata The calldata input for the call
     */
    event PoolUpdated(
        IParaProxy.ProxyImplementation[] indexed implementationParams,
        address _init,
        bytes _calldata
    );

    /**
     * @dev Emitted when the pool configurator is updated.
     * @param oldAddress The old address of the PoolConfigurator
     * @param newAddress The new address of the PoolConfigurator
     */
    event PoolConfiguratorUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the WETH is updated.
     * @param oldAddress The old address of the WETH
     * @param newAddress The new address of the WETH
     */
    event WETHUpdated(address indexed oldAddress, address indexed newAddress);

    /**
     * @dev Emitted when the price oracle is updated.
     * @param oldAddress The old address of the PriceOracle
     * @param newAddress The new address of the PriceOracle
     */
    event PriceOracleUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the ACL manager is updated.
     * @param oldAddress The old address of the ACLManager
     * @param newAddress The new address of the ACLManager
     */
    event ACLManagerUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the ACL admin is updated.
     * @param oldAddress The old address of the ACLAdmin
     * @param newAddress The new address of the ACLAdmin
     */
    event ACLAdminUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the price oracle sentinel is updated.
     * @param oldAddress The old address of the PriceOracleSentinel
     * @param newAddress The new address of the PriceOracleSentinel
     */
    event PriceOracleSentinelUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the pool data provider is updated.
     * @param oldAddress The old address of the PoolDataProvider
     * @param newAddress The new address of the PoolDataProvider
     */
    event ProtocolDataProviderUpdated(
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when a new proxy is created.
     * @param id The identifier of the proxy
     * @param proxyAddress The address of the created proxy contract
     * @param implementationAddress The address of the implementation contract
     */
    event ProxyCreated(
        bytes32 indexed id,
        address indexed proxyAddress,
        address indexed implementationAddress
    );

    /**
     * @dev Emitted when a new proxy is created.
     * @param id The identifier of the proxy
     * @param proxyAddress The address of the created proxy contract
     * @param implementationParams The params of the implementation update
     */
    event ParaProxyCreated(
        bytes32 indexed id,
        address indexed proxyAddress,
        IParaProxy.ProxyImplementation[] indexed implementationParams
    );

    /**
     * @dev Emitted when a new proxy is created.
     * @param id The identifier of the proxy
     * @param proxyAddress The address of the created proxy contract
     * @param implementationParams The params of the implementation update
     */
    event ParaProxyUpdated(
        bytes32 indexed id,
        address indexed proxyAddress,
        IParaProxy.ProxyImplementation[] indexed implementationParams
    );

    /**
     * @dev Emitted when a new non-proxied contract address is registered.
     * @param id The identifier of the contract
     * @param oldAddress The address of the old contract
     * @param newAddress The address of the new contract
     */
    event AddressSet(
        bytes32 indexed id,
        address indexed oldAddress,
        address indexed newAddress
    );

    /**
     * @dev Emitted when the implementation of the proxy registered with id is updated
     * @param id The identifier of the contract
     * @param proxyAddress The address of the proxy contract
     * @param oldImplementationAddress The address of the old implementation contract
     * @param newImplementationAddress The address of the new implementation contract
     */
    event AddressSetAsProxy(
        bytes32 indexed id,
        address indexed proxyAddress,
        address oldImplementationAddress,
        address indexed newImplementationAddress
    );

    /**
     * @dev Emitted when the marketplace registered is updated
     * @param id The identifier of the marketplace
     * @param marketplace The address of the marketplace contract
     * @param adapter The address of the marketplace adapter contract
     * @param operator The address of the marketplace transfer helper
     * @param paused Is the marketplace adapter paused
     */
    event MarketplaceUpdated(
        bytes32 indexed id,
        address indexed marketplace,
        address indexed adapter,
        address operator,
        bool paused
    );

    /**
     * @notice Returns the id of the ParaSpace market to which this contract points to.
     * @return The market id
     **/
    function getMarketId() external view returns (string memory);

    /**
     * @notice Associates an id with a specific PoolAddressesProvider.
     * @dev This can be used to create an onchain registry of PoolAddressesProviders to
     * identify and validate multiple ParaSpace markets.
     * @param newMarketId The market id
     */
    function setMarketId(string calldata newMarketId) external;

    /**
     * @notice Returns an address by its identifier.
     * @dev The returned address might be an EOA or a contract, potentially proxied
     * @dev It returns ZERO if there is no registered address with the given id
     * @param id The id
     * @return The address of the registered for the specified id
     */
    function getAddress(bytes32 id) external view returns (address);

    /**
     * @notice General function to update the implementation of a proxy registered with
     * certain `id`. If there is no proxy registered, it will instantiate one and
     * set as implementation the `newImplementationAddress`.
     * @dev IMPORTANT Use this function carefully, only for ids that don't have an explicit
     * setter function, in order to avoid unexpected consequences
     * @param id The id
     * @param newImplementationAddress The address of the new implementation
     */
    function setAddressAsProxy(bytes32 id, address newImplementationAddress)
        external;

    /**
     * @notice Sets an address for an id replacing the address saved in the addresses map.
     * @dev IMPORTANT Use this function carefully, as it will do a hard replacement
     * @param id The id
     * @param newAddress The address to set
     */
    function setAddress(bytes32 id, address newAddress) external;

    /**
     * @notice Returns the address of the Pool proxy.
     * @return The Pool proxy address
     **/
    function getPool() external view returns (address);

    /**
     * @notice Updates the implementation of the Pool, or creates a proxy
     * setting the new `pool` implementation when the function is called for the first time.
     * @param implementationParams Contains the implementation addresses and function selectors
     * @param _init The address of the contract or implementation to execute _calldata
     * @param _calldata A function call, including function selector and arguments
     *                  _calldata is executed with delegatecall on _init
     **/
    function updatePoolImpl(
        IParaProxy.ProxyImplementation[] calldata implementationParams,
        address _init,
        bytes calldata _calldata
    ) external;

    /**
     * @notice Returns the address of the PoolConfigurator proxy.
     * @return The PoolConfigurator proxy address
     **/
    function getPoolConfigurator() external view returns (address);

    /**
     * @notice Updates the implementation of the PoolConfigurator, or creates a proxy
     * setting the new `PoolConfigurator` implementation when the function is called for the first time.
     * @param newPoolConfiguratorImpl The new PoolConfigurator implementation
     **/
    function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external;

    /**
     * @notice Returns the address of the price oracle.
     * @return The address of the PriceOracle
     */
    function getPriceOracle() external view returns (address);

    /**
     * @notice Updates the address of the price oracle.
     * @param newPriceOracle The address of the new PriceOracle
     */
    function setPriceOracle(address newPriceOracle) external;

    /**
     * @notice Returns the address of the ACL manager.
     * @return The address of the ACLManager
     */
    function getACLManager() external view returns (address);

    /**
     * @notice Updates the address of the ACL manager.
     * @param newAclManager The address of the new ACLManager
     **/
    function setACLManager(address newAclManager) external;

    /**
     * @notice Returns the address of the ACL admin.
     * @return The address of the ACL admin
     */
    function getACLAdmin() external view returns (address);

    /**
     * @notice Updates the address of the ACL admin.
     * @param newAclAdmin The address of the new ACL admin
     */
    function setACLAdmin(address newAclAdmin) external;

    /**
     * @notice Returns the address of the price oracle sentinel.
     * @return The address of the PriceOracleSentinel
     */
    function getPriceOracleSentinel() external view returns (address);

    /**
     * @notice Updates the address of the price oracle sentinel.
     * @param newPriceOracleSentinel The address of the new PriceOracleSentinel
     **/
    function setPriceOracleSentinel(address newPriceOracleSentinel) external;

    /**
     * @notice Returns the address of the data provider.
     * @return The address of the DataProvider
     */
    function getPoolDataProvider() external view returns (address);

    /**
     * @notice Returns the address of the Wrapped ETH.
     * @return The address of the Wrapped ETH
     */
    function getWETH() external view returns (address);

    /**
     * @notice Returns the info of the marketplace.
     * @return The info of the marketplace
     */
    function getMarketplace(bytes32 id)
        external
        view
        returns (DataTypes.Marketplace memory);

    /**
     * @notice Updates the address of the data provider.
     * @param newDataProvider The address of the new DataProvider
     **/
    function setProtocolDataProvider(address newDataProvider) external;

    /**
     * @notice Updates the address of the WETH.
     * @param newWETH The address of the new WETH
     **/
    function setWETH(address newWETH) external;

    /**
     * @notice Updates the info of the marketplace.
     * @param marketplace The address of the marketplace
     *  @param adapter The contract which handles marketplace logic
     * @param operator The contract which operates users' tokens
     **/
    function setMarketplace(
        bytes32 id,
        address marketplace,
        address adapter,
        address operator,
        bool paused
    ) external;
}

// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

interface IToken {
    function balanceOf(address) external view returns (uint256);

    function totalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount)
        external
        returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

/**
 * @title WadRayMath library
 *
 * @notice Provides functions to perform calculations with Wad and Ray units
 * @dev Provides mul and div function for wads (decimal numbers with 18 digits of precision) and rays (decimal numbers
 * with 27 digits of precision)
 * @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
 **/
library WadRayMath {
    // HALF_WAD and HALF_RAY expressed with extended notation as constant with operations are not supported in Yul assembly
    uint256 internal constant WAD = 1e18;
    uint256 internal constant HALF_WAD = 0.5e18;

    uint256 internal constant RAY = 1e27;
    uint256 internal constant HALF_RAY = 0.5e27;

    uint256 internal constant WAD_RAY_RATIO = 1e9;

    /**
     * @dev Multiplies two wad, rounding half up to the nearest wad
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Wad
     * @param b Wad
     * @return c = a*b, in wad
     **/
    function wadMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
        // to avoid overflow, a <= (type(uint256).max - HALF_WAD) / b
        assembly {
            if iszero(
                or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_WAD), b))))
            ) {
                revert(0, 0)
            }

            c := div(add(mul(a, b), HALF_WAD), WAD)
        }
    }

    /**
     * @dev Divides two wad, rounding half up to the nearest wad
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Wad
     * @param b Wad
     * @return c = a/b, in wad
     **/
    function wadDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
        // to avoid overflow, a <= (type(uint256).max - halfB) / WAD
        assembly {
            if or(
                iszero(b),
                iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), WAD))))
            ) {
                revert(0, 0)
            }

            c := div(add(mul(a, WAD), div(b, 2)), b)
        }
    }

    /**
     * @notice Multiplies two ray, rounding half up to the nearest ray
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Ray
     * @param b Ray
     * @return c = a raymul b
     **/
    function rayMul(uint256 a, uint256 b) internal pure returns (uint256 c) {
        // to avoid overflow, a <= (type(uint256).max - HALF_RAY) / b
        assembly {
            if iszero(
                or(iszero(b), iszero(gt(a, div(sub(not(0), HALF_RAY), b))))
            ) {
                revert(0, 0)
            }

            c := div(add(mul(a, b), HALF_RAY), RAY)
        }
    }

    /**
     * @notice Divides two ray, rounding half up to the nearest ray
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Ray
     * @param b Ray
     * @return c = a raydiv b
     **/
    function rayDiv(uint256 a, uint256 b) internal pure returns (uint256 c) {
        // to avoid overflow, a <= (type(uint256).max - halfB) / RAY
        assembly {
            if or(
                iszero(b),
                iszero(iszero(gt(a, div(sub(not(0), div(b, 2)), RAY))))
            ) {
                revert(0, 0)
            }

            c := div(add(mul(a, RAY), div(b, 2)), b)
        }
    }

    /**
     * @dev Casts ray down to wad
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Ray
     * @return b = a converted to wad, rounded half up to the nearest wad
     **/
    function rayToWad(uint256 a) internal pure returns (uint256 b) {
        assembly {
            b := div(a, WAD_RAY_RATIO)
            let remainder := mod(a, WAD_RAY_RATIO)
            if iszero(lt(remainder, div(WAD_RAY_RATIO, 2))) {
                b := add(b, 1)
            }
        }
    }

    /**
     * @dev Converts wad up to ray
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param a Wad
     * @return b = a converted in ray
     **/
    function wadToRay(uint256 a) internal pure returns (uint256 b) {
        // to avoid overflow, b/WAD_RAY_RATIO == a
        assembly {
            b := mul(a, WAD_RAY_RATIO)

            if iszero(eq(div(b, WAD_RAY_RATIO), a)) {
                revert(0, 0)
            }
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

/**
 * @title PercentageMath library
 *
 * @notice Provides functions to perform percentage calculations
 * @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR
 * @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
 **/
library PercentageMath {
    // Maximum percentage factor (100.00%)
    uint256 internal constant PERCENTAGE_FACTOR = 1e4;

    // Half percentage factor (50.00%)
    uint256 internal constant HALF_PERCENTAGE_FACTOR = 0.5e4;

    /**
     * @notice Executes a percentage multiplication
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param value The value of which the percentage needs to be calculated
     * @param percentage The percentage of the value to be calculated
     * @return result value percentmul percentage
     **/
    function percentMul(uint256 value, uint256 percentage)
        internal
        pure
        returns (uint256 result)
    {
        // to avoid overflow, value <= (type(uint256).max - HALF_PERCENTAGE_FACTOR) / percentage
        assembly {
            if iszero(
                or(
                    iszero(percentage),
                    iszero(
                        gt(
                            value,
                            div(sub(not(0), HALF_PERCENTAGE_FACTOR), percentage)
                        )
                    )
                )
            ) {
                revert(0, 0)
            }

            result := div(
                add(mul(value, percentage), HALF_PERCENTAGE_FACTOR),
                PERCENTAGE_FACTOR
            )
        }
    }

    /**
     * @notice Executes a percentage division
     * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
     * @param value The value of which the percentage needs to be calculated
     * @param percentage The percentage of the value to be calculated
     * @return result value percentdiv percentage
     **/
    function percentDiv(uint256 value, uint256 percentage)
        internal
        pure
        returns (uint256 result)
    {
        // to avoid overflow, value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR
        assembly {
            if or(
                iszero(percentage),
                iszero(
                    iszero(
                        gt(
                            value,
                            div(
                                sub(not(0), div(percentage, 2)),
                                PERCENTAGE_FACTOR
                            )
                        )
                    )
                )
            ) {
                revert(0, 0)
            }

            result := div(
                add(mul(value, PERCENTAGE_FACTOR), div(percentage, 2)),
                percentage
            )
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {OfferItem, ConsiderationItem} from "../../../dependencies/seaport/contracts/lib/ConsiderationStructs.sol";

library DataTypes {
    enum AssetType {
        ERC20,
        ERC721
    }

    address public constant SApeAddress = address(0x1);
    uint256 public constant HEALTH_FACTOR_LIQUIDATION_THRESHOLD = 1e18;

    struct ReserveData {
        //stores the reserve configuration
        ReserveConfigurationMap configuration;
        //the liquidity index. Expressed in ray
        uint128 liquidityIndex;
        //the current supply rate. Expressed in ray
        uint128 currentLiquidityRate;
        //variable borrow index. Expressed in ray
        uint128 variableBorrowIndex;
        //the current variable borrow rate. Expressed in ray
        uint128 currentVariableBorrowRate;
        //timestamp of last update
        uint40 lastUpdateTimestamp;
        //the id of the reserve. Represents the position in the list of the active reserves
        uint16 id;
        //xToken address
        address xTokenAddress;
        //variableDebtToken address
        address variableDebtTokenAddress;
        //address of the interest rate strategy
        address interestRateStrategyAddress;
        //address of the auction strategy
        address auctionStrategyAddress;
        //the current treasury balance, scaled
        uint128 accruedToTreasury;
    }

    struct ReserveConfigurationMap {
        //bit 0-15: LTV
        //bit 16-31: Liq. threshold
        //bit 32-47: Liq. bonus
        //bit 48-55: Decimals
        //bit 56: reserve is active
        //bit 57: reserve is frozen
        //bit 58: borrowing is enabled
        //bit 59: stable rate borrowing enabled
        //bit 60: asset is paused
        //bit 61: borrowing in isolation mode is enabled
        //bit 62-63: reserved
        //bit 64-79: reserve factor
        //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
        //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
        //bit 152-167 liquidation protocol fee
        //bit 168-175 eMode category
        //bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
        //bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
        //bit 252-255 unused

        uint256 data;
    }

    struct UserConfigurationMap {
        /**
         * @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset.
         * The first bit indicates if an asset is used as collateral by the user, the second whether an
         * asset is borrowed by the user.
         */
        uint256 data;
        // auction validity time for closing invalid auctions in one tx.
        uint256 auctionValidityTime;
    }

    struct ERC721SupplyParams {
        uint256 tokenId;
        bool useAsCollateral;
    }

    struct NTokenData {
        uint256 tokenId;
        bool useAsCollateral;
        bool isAuctioned;
    }

    struct ReserveCache {
        uint256 currScaledVariableDebt;
        uint256 nextScaledVariableDebt;
        uint256 currLiquidityIndex;
        uint256 nextLiquidityIndex;
        uint256 currVariableBorrowIndex;
        uint256 nextVariableBorrowIndex;
        uint256 currLiquidityRate;
        uint256 currVariableBorrowRate;
        uint256 reserveFactor;
        ReserveConfigurationMap reserveConfiguration;
        address xTokenAddress;
        address variableDebtTokenAddress;
        uint40 reserveLastUpdateTimestamp;
    }

    struct ExecuteLiquidateParams {
        uint256 reservesCount;
        uint256 liquidationAmount;
        uint256 collateralTokenId;
        uint256 auctionRecoveryHealthFactor;
        address weth;
        address collateralAsset;
        address liquidationAsset;
        address borrower;
        address liquidator;
        bool receiveXToken;
        address priceOracle;
        address priceOracleSentinel;
    }

    struct ExecuteAuctionParams {
        uint256 reservesCount;
        uint256 auctionRecoveryHealthFactor;
        uint256 collateralTokenId;
        address collateralAsset;
        address user;
        address priceOracle;
    }

    struct ExecuteSupplyParams {
        address asset;
        uint256 amount;
        address onBehalfOf;
        address payer;
        uint16 referralCode;
    }

    struct ExecuteSupplyERC721Params {
        address asset;
        DataTypes.ERC721SupplyParams[] tokenData;
        address onBehalfOf;
        address payer;
        uint16 referralCode;
    }

    struct ExecuteBorrowParams {
        address asset;
        address user;
        address onBehalfOf;
        uint256 amount;
        uint16 referralCode;
        bool releaseUnderlying;
        uint256 reservesCount;
        address oracle;
        address priceOracleSentinel;
    }

    struct ExecuteRepayParams {
        address asset;
        uint256 amount;
        address onBehalfOf;
        bool usePTokens;
    }

    struct ExecuteWithdrawParams {
        address asset;
        uint256 amount;
        address to;
        uint256 reservesCount;
        address oracle;
    }

    struct ExecuteWithdrawERC721Params {
        address asset;
        uint256[] tokenIds;
        address to;
        uint256 reservesCount;
        address oracle;
    }

    struct ExecuteDecreaseUniswapV3LiquidityParams {
        address user;
        address asset;
        uint256 tokenId;
        uint256 reservesCount;
        uint128 liquidityDecrease;
        uint256 amount0Min;
        uint256 amount1Min;
        bool receiveEthAsWeth;
        address oracle;
    }

    struct FinalizeTransferParams {
        address asset;
        address from;
        address to;
        bool usedAsCollateral;
        uint256 amount;
        uint256 balanceFromBefore;
        uint256 balanceToBefore;
        uint256 reservesCount;
        address oracle;
    }

    struct FinalizeTransferERC721Params {
        address asset;
        address from;
        address to;
        bool usedAsCollateral;
        uint256 tokenId;
        uint256 balanceFromBefore;
        uint256 reservesCount;
        address oracle;
    }

    struct CalculateUserAccountDataParams {
        UserConfigurationMap userConfig;
        uint256 reservesCount;
        address user;
        address oracle;
    }

    struct ValidateBorrowParams {
        ReserveCache reserveCache;
        UserConfigurationMap userConfig;
        address asset;
        address userAddress;
        uint256 amount;
        uint256 reservesCount;
        address oracle;
        address priceOracleSentinel;
    }

    struct ValidateLiquidateERC20Params {
        ReserveCache liquidationAssetReserveCache;
        address liquidationAsset;
        address weth;
        uint256 totalDebt;
        uint256 healthFactor;
        uint256 liquidationAmount;
        uint256 actualLiquidationAmount;
        address priceOracleSentinel;
    }

    struct ValidateLiquidateERC721Params {
        ReserveCache liquidationAssetReserveCache;
        address liquidator;
        address borrower;
        uint256 globalDebt;
        uint256 healthFactor;
        address collateralAsset;
        uint256 tokenId;
        uint256 actualLiquidationAmount;
        uint256 maxLiquidationAmount;
        uint256 auctionRecoveryHealthFactor;
        address priceOracleSentinel;
        address xTokenAddress;
        bool auctionEnabled;
    }

    struct ValidateAuctionParams {
        address user;
        uint256 auctionRecoveryHealthFactor;
        uint256 erc721HealthFactor;
        address collateralAsset;
        uint256 tokenId;
        address xTokenAddress;
    }

    struct CalculateInterestRatesParams {
        uint256 liquidityAdded;
        uint256 liquidityTaken;
        uint256 totalVariableDebt;
        uint256 reserveFactor;
        address reserve;
        address xToken;
    }

    struct InitReserveParams {
        address asset;
        address xTokenAddress;
        address variableDebtAddress;
        address interestRateStrategyAddress;
        address auctionStrategyAddress;
        uint16 reservesCount;
        uint16 maxNumberReserves;
    }

    struct ExecuteFlashClaimParams {
        address receiverAddress;
        address nftAsset;
        uint256[] nftTokenIds;
        bytes params;
        address oracle;
    }

    struct Credit {
        address token;
        uint256 amount;
        bytes orderId;
        uint8 v;
        bytes32 r;
        bytes32 s;
    }

    struct ExecuteMarketplaceParams {
        bytes32 marketplaceId;
        bytes payload;
        Credit credit;
        uint256 ethLeft;
        DataTypes.Marketplace marketplace;
        OrderInfo orderInfo;
        address weth;
        uint16 referralCode;
        uint256 reservesCount;
        address oracle;
        address priceOracleSentinel;
    }

    struct OrderInfo {
        address maker;
        address taker;
        bytes id;
        OfferItem[] offer;
        ConsiderationItem[] consideration;
    }

    struct Marketplace {
        address marketplace;
        address adapter;
        address operator;
        bool paused;
    }

    struct Auction {
        uint256 startTime;
    }

    struct AuctionData {
        address asset;
        uint256 tokenId;
        uint256 startTime;
        uint256 currentPriceMultiplier;
        uint256 maxPriceMultiplier;
        uint256 minExpPriceMultiplier;
        uint256 minPriceMultiplier;
        uint256 stepLinear;
        uint256 stepExp;
        uint256 tickLength;
    }

    struct TokenData {
        string symbol;
        address tokenAddress;
    }

    struct PoolStorage {
        // Map of reserves and their data (underlyingAssetOfReserve => reserveData)
        mapping(address => ReserveData) _reserves;
        // Map of users address and their configuration data (userAddress => userConfiguration)
        mapping(address => UserConfigurationMap) _usersConfig;
        // List of reserves as a map (reserveId => reserve).
        // It is structured as a mapping for gas savings reasons, using the reserve id as index
        mapping(uint256 => address) _reservesList;
        // Maximum number of active reserves there have been in the protocol. It is the upper bound of the reserves list
        uint16 _reservesCount;
        // Auction recovery health factor
        uint64 _auctionRecoveryHealthFactor;
        // incentive fee for claim ape reward to compound
        uint16 _apeCompoundFee;
    }

    struct ReserveConfigData {
        uint256 decimals;
        uint256 ltv;
        uint256 liquidationThreshold;
        uint256 liquidationBonus;
        uint256 reserveFactor;
        bool usageAsCollateralEnabled;
        bool borrowingEnabled;
        bool isActive;
        bool isFrozen;
        bool isPaused;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

/**
 * @title Errors library
 *
 * @notice Defines the error messages emitted by the different contracts of the ParaSpace protocol
 */
library Errors {
    string public constant CALLER_NOT_POOL_ADMIN = "1"; // 'The caller of the function is not a pool admin'
    string public constant CALLER_NOT_EMERGENCY_ADMIN = "2"; // 'The caller of the function is not an emergency admin'
    string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = "3"; // 'The caller of the function is not a pool or emergency admin'
    string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = "4"; // 'The caller of the function is not a risk or pool admin'
    string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = "5"; // 'The caller of the function is not an asset listing or pool admin'
    string public constant CALLER_NOT_BRIDGE = "6"; // 'The caller of the function is not a bridge'
    string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = "7"; // 'Pool addresses provider is not registered'
    string public constant INVALID_ADDRESSES_PROVIDER_ID = "8"; // 'Invalid id for the pool addresses provider'
    string public constant NOT_CONTRACT = "9"; // 'Address is not a contract'
    string public constant CALLER_NOT_POOL_CONFIGURATOR = "10"; // 'The caller of the function is not the pool configurator'
    string public constant CALLER_NOT_XTOKEN = "11"; // 'The caller of the function is not an PToken or NToken'
    string public constant INVALID_ADDRESSES_PROVIDER = "12"; // 'The address of the pool addresses provider is invalid'
    string public constant RESERVE_ALREADY_ADDED = "14"; // 'Reserve has already been added to reserve list'
    string public constant NO_MORE_RESERVES_ALLOWED = "15"; // 'Maximum amount of reserves in the pool reached'
    string public constant RESERVE_LIQUIDITY_NOT_ZERO = "18"; // 'The liquidity of the reserve needs to be 0'
    string public constant INVALID_RESERVE_PARAMS = "20"; // 'Invalid risk parameters for the reserve'
    string public constant CALLER_MUST_BE_POOL = "23"; // 'The caller of this function must be a pool'
    string public constant INVALID_MINT_AMOUNT = "24"; // 'Invalid amount to mint'
    string public constant INVALID_BURN_AMOUNT = "25"; // 'Invalid amount to burn'
    string public constant INVALID_AMOUNT = "26"; // 'Amount must be greater than 0'
    string public constant RESERVE_INACTIVE = "27"; // 'Action requires an active reserve'
    string public constant RESERVE_FROZEN = "28"; // 'Action cannot be performed because the reserve is frozen'
    string public constant RESERVE_PAUSED = "29"; // 'Action cannot be performed because the reserve is paused'
    string public constant BORROWING_NOT_ENABLED = "30"; // 'Borrowing is not enabled'
    string public constant STABLE_BORROWING_NOT_ENABLED = "31"; // 'Stable borrowing is not enabled'
    string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = "32"; // 'User cannot withdraw more than the available balance'
    string public constant INVALID_INTEREST_RATE_MODE_SELECTED = "33"; // 'Invalid interest rate mode selected'
    string public constant COLLATERAL_BALANCE_IS_ZERO = "34"; // 'The collateral balance is 0'
    string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD =
        "35"; // 'Health factor is lesser than the liquidation threshold'
    string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = "36"; // 'There is not enough collateral to cover a new borrow'
    string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = "37"; // 'Collateral is (mostly) the same currency that is being borrowed'
    string public constant AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = "38"; // 'The requested amount is greater than the max loan size in stable rate mode'
    string public constant NO_DEBT_OF_SELECTED_TYPE = "39"; // 'For repayment of a specific type of debt, the user needs to have debt that type'
    string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = "40"; // 'To repay on behalf of a user an explicit amount to repay is needed'
    string public constant NO_OUTSTANDING_STABLE_DEBT = "41"; // 'User does not have outstanding stable rate debt on this reserve'
    string public constant NO_OUTSTANDING_VARIABLE_DEBT = "42"; // 'User does not have outstanding variable rate debt on this reserve'
    string public constant UNDERLYING_BALANCE_ZERO = "43"; // 'The underlying balance needs to be greater than 0'
    string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = "44"; // 'Interest rate rebalance conditions were not met'
    string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "45"; // 'Health factor is not below the threshold'
    string public constant COLLATERAL_CANNOT_BE_AUCTIONED_OR_LIQUIDATED = "46"; // 'The collateral chosen cannot be auctioned OR liquidated'
    string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "47"; // 'User did not borrow the specified currency'
    string public constant SAME_BLOCK_BORROW_REPAY = "48"; // 'Borrow and repay in same block is not allowed'
    string public constant BORROW_CAP_EXCEEDED = "50"; // 'Borrow cap is exceeded'
    string public constant SUPPLY_CAP_EXCEEDED = "51"; // 'Supply cap is exceeded'
    string public constant XTOKEN_SUPPLY_NOT_ZERO = "54"; // 'PToken supply is not zero'
    string public constant STABLE_DEBT_NOT_ZERO = "55"; // 'Stable debt supply is not zero'
    string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = "56"; // 'Variable debt supply is not zero'
    string public constant LTV_VALIDATION_FAILED = "57"; // 'Ltv validation failed'
    string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = "59"; // 'Price oracle sentinel validation failed'
    string public constant RESERVE_ALREADY_INITIALIZED = "61"; // 'Reserve has already been initialized'
    string public constant INVALID_LTV = "63"; // 'Invalid ltv parameter for the reserve'
    string public constant INVALID_LIQ_THRESHOLD = "64"; // 'Invalid liquidity threshold parameter for the reserve'
    string public constant INVALID_LIQ_BONUS = "65"; // 'Invalid liquidity bonus parameter for the reserve'
    string public constant INVALID_DECIMALS = "66"; // 'Invalid decimals parameter of the underlying asset of the reserve'
    string public constant INVALID_RESERVE_FACTOR = "67"; // 'Invalid reserve factor parameter for the reserve'
    string public constant INVALID_BORROW_CAP = "68"; // 'Invalid borrow cap for the reserve'
    string public constant INVALID_SUPPLY_CAP = "69"; // 'Invalid supply cap for the reserve'
    string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = "70"; // 'Invalid liquidation protocol fee for the reserve'
    string public constant INVALID_DEBT_CEILING = "73"; // 'Invalid debt ceiling for the reserve
    string public constant INVALID_RESERVE_INDEX = "74"; // 'Invalid reserve index'
    string public constant ACL_ADMIN_CANNOT_BE_ZERO = "75"; // 'ACL admin cannot be set to the zero address'
    string public constant INCONSISTENT_PARAMS_LENGTH = "76"; // 'Array parameters that should be equal length are not'
    string public constant ZERO_ADDRESS_NOT_VALID = "77"; // 'Zero address not valid'
    string public constant INVALID_EXPIRATION = "78"; // 'Invalid expiration'
    string public constant INVALID_SIGNATURE = "79"; // 'Invalid signature'
    string public constant OPERATION_NOT_SUPPORTED = "80"; // 'Operation not supported'
    string public constant ASSET_NOT_LISTED = "82"; // 'Asset is not listed'
    string public constant INVALID_OPTIMAL_USAGE_RATIO = "83"; // 'Invalid optimal usage ratio'
    string public constant INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = "84"; // 'Invalid optimal stable to total debt ratio'
    string public constant UNDERLYING_CANNOT_BE_RESCUED = "85"; // 'The underlying asset cannot be rescued'
    string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = "86"; // 'Reserve has already been added to reserve list'
    string public constant POOL_ADDRESSES_DO_NOT_MATCH = "87"; // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
    string public constant STABLE_BORROWING_ENABLED = "88"; // 'Stable borrowing is enabled'
    string public constant SILOED_BORROWING_VIOLATION = "89"; // 'User is trying to borrow multiple assets including a siloed one'
    string public constant RESERVE_DEBT_NOT_ZERO = "90"; // the total debt of the reserve needs to be 0
    string public constant NOT_THE_OWNER = "91"; // user is not the owner of a given asset
    string public constant LIQUIDATION_AMOUNT_NOT_ENOUGH = "92";
    string public constant INVALID_ASSET_TYPE = "93"; // invalid asset type for action.
    string public constant INVALID_FLASH_CLAIM_RECEIVER = "94"; // invalid flash claim receiver.
    string public constant ERC721_HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "95"; // ERC721 Health factor is not below the threshold. Can only liquidate ERC20.
    string public constant UNDERLYING_ASSET_CAN_NOT_BE_TRANSFERRED = "96"; //underlying asset can not be transferred.
    string public constant TOKEN_TRANSFERRED_CAN_NOT_BE_SELF_ADDRESS = "97"; //token transferred can not be self address.
    string public constant INVALID_AIRDROP_CONTRACT_ADDRESS = "98"; //invalid airdrop contract address.
    string public constant INVALID_AIRDROP_PARAMETERS = "99"; //invalid airdrop parameters.
    string public constant CALL_AIRDROP_METHOD_FAILED = "100"; //call airdrop method failed.
    string public constant SUPPLIER_NOT_NTOKEN = "101"; //supplier is not the NToken contract
    string public constant CALL_MARKETPLACE_FAILED = "102"; //call marketplace failed.
    string public constant INVALID_MARKETPLACE_ID = "103"; //invalid marketplace id.
    string public constant INVALID_MARKETPLACE_ORDER = "104"; //invalid marketplace id.
    string public constant CREDIT_DOES_NOT_MATCH_ORDER = "105"; //credit doesn't match order.
    string public constant PAYNOW_NOT_ENOUGH = "106"; //paynow not enough.
    string public constant INVALID_CREDIT_SIGNATURE = "107"; //invalid credit signature.
    string public constant INVALID_ORDER_TAKER = "108"; //invalid order taker.
    string public constant MARKETPLACE_PAUSED = "109"; //marketplace paused.
    string public constant INVALID_AUCTION_RECOVERY_HEALTH_FACTOR = "110"; //invalid auction recovery health factor.
    string public constant AUCTION_ALREADY_STARTED = "111"; //auction already started.
    string public constant AUCTION_NOT_STARTED = "112"; //auction not started yet.
    string public constant AUCTION_NOT_ENABLED = "113"; //auction not enabled on the reserve.
    string public constant ERC721_HEALTH_FACTOR_NOT_ABOVE_THRESHOLD = "114"; //ERC721 Health factor is not above the threshold.
    string public constant TOKEN_IN_AUCTION = "115"; //tokenId is in auction.
    string public constant AUCTIONED_BALANCE_NOT_ZERO = "116"; //auctioned balance not zero.
    string public constant LIQUIDATOR_CAN_NOT_BE_SELF = "117"; //user can not liquidate himself.
    string public constant INVALID_RECIPIENT = "118"; //invalid recipient specified in order.
    string public constant UNIV3_NOT_ALLOWED = "119"; //flash claim is not allowed for UniswapV3.
    string public constant NTOKEN_BALANCE_EXCEEDED = "120"; //ntoken balance exceed limit.
    string public constant ORACLE_PRICE_NOT_READY = "121"; //oracle price not ready.
    string public constant SET_ORACLE_SOURCE_NOT_ALLOWED = "122"; //source of oracle not allowed to set.
    string public constant INVALID_LIQUIDATION_ASSET = "123"; //invalid liquidation asset.
    string public constant ONLY_UNIV3_ALLOWED = "124"; //only UniswapV3 allowed.
    string public constant GLOBAL_DEBT_IS_ZERO = "125"; //liquidation is not allowed when global debt is zero.
    string public constant ORACLE_PRICE_EXPIRED = "126"; //oracle price expired.
    string public constant APE_STAKING_POSITION_EXISTED = "127"; //ape staking position is existed.
    string public constant SAPE_NOT_ALLOWED = "128"; //operation is not allow for sApe.
    string public constant TOTAL_STAKING_AMOUNT_WRONG = "129"; //cash plus borrow amount not equal to total staking amount.
    string public constant APE_STAKING_AMOUNT_NON_ZERO = "130"; //ape staking amount should be zero when supply bayc/mayc.
    string public constant CALLER_NOT_EOA = "131"; //The caller of the function is not an EOA account
    string public constant MAKER_SAME_AS_TAKER = "132"; //maker and taker shouldn't be the same address
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import {
    OrderType,
    BasicOrderType,
    ItemType,
    Side
} from "./ConsiderationEnums.sol";

/**
 * @dev An order contains eleven components: an offerer, a zone (or account that
 *      can cancel the order or restrict who can fulfill the order depending on
 *      the type), the order type (specifying partial fill support as well as
 *      restricted order status), the start and end time, a hash that will be
 *      provided to the zone when validating restricted orders, a salt, a key
 *      corresponding to a given conduit, a counter, and an arbitrary number of
 *      offer items that can be spent along with consideration items that must
 *      be received by their respective recipient.
 */
struct OrderComponents {
    address offerer;
    address zone;
    OfferItem[] offer;
    ConsiderationItem[] consideration;
    OrderType orderType;
    uint256 startTime;
    uint256 endTime;
    bytes32 zoneHash;
    uint256 salt;
    bytes32 conduitKey;
    uint256 counter;
}

/**
 * @dev An offer item has five components: an item type (ETH or other native
 *      tokens, ERC20, ERC721, and ERC1155, as well as criteria-based ERC721 and
 *      ERC1155), a token address, a dual-purpose "identifierOrCriteria"
 *      component that will either represent a tokenId or a merkle root
 *      depending on the item type, and a start and end amount that support
 *      increasing or decreasing amounts over the duration of the respective
 *      order.
 */
struct OfferItem {
    ItemType itemType;
    address token;
    uint256 identifierOrCriteria;
    uint256 startAmount;
    uint256 endAmount;
}

/**
 * @dev A consideration item has the same five components as an offer item and
 *      an additional sixth component designating the required recipient of the
 *      item.
 */
struct ConsiderationItem {
    ItemType itemType;
    address token;
    uint256 identifierOrCriteria;
    uint256 startAmount;
    uint256 endAmount;
    address payable recipient;
}

/**
 * @dev A spent item is translated from a utilized offer item and has four
 *      components: an item type (ETH or other native tokens, ERC20, ERC721, and
 *      ERC1155), a token address, a tokenId, and an amount.
 */
struct SpentItem {
    ItemType itemType;
    address token;
    uint256 identifier;
    uint256 amount;
}

/**
 * @dev A received item is translated from a utilized consideration item and has
 *      the same four components as a spent item, as well as an additional fifth
 *      component designating the required recipient of the item.
 */
struct ReceivedItem {
    ItemType itemType;
    address token;
    uint256 identifier;
    uint256 amount;
    address payable recipient;
}

/**
 * @dev For basic orders involving ETH / native / ERC20 <=> ERC721 / ERC1155
 *      matching, a group of six functions may be called that only requires a
 *      subset of the usual order arguments. Note the use of a "basicOrderType"
 *      enum; this represents both the usual order type as well as the "route"
 *      of the basic order (a simple derivation function for the basic order
 *      type is `basicOrderType = orderType + (4 * basicOrderRoute)`.)
 */
struct BasicOrderParameters {
    // calldata offset
    address considerationToken; // 0x24
    uint256 considerationIdentifier; // 0x44
    uint256 considerationAmount; // 0x64
    address payable offerer; // 0x84
    address zone; // 0xa4
    address offerToken; // 0xc4
    uint256 offerIdentifier; // 0xe4
    uint256 offerAmount; // 0x104
    BasicOrderType basicOrderType; // 0x124
    uint256 startTime; // 0x144
    uint256 endTime; // 0x164
    bytes32 zoneHash; // 0x184
    uint256 salt; // 0x1a4
    bytes32 offererConduitKey; // 0x1c4
    bytes32 fulfillerConduitKey; // 0x1e4
    uint256 totalOriginalAdditionalRecipients; // 0x204
    AdditionalRecipient[] additionalRecipients; // 0x224
    bytes signature; // 0x244
    // Total length, excluding dynamic array data: 0x264 (580)
}

/**
 * @dev Basic orders can supply any number of additional recipients, with the
 *      implied assumption that they are supplied from the offered ETH (or other
 *      native token) or ERC20 token for the order.
 */
struct AdditionalRecipient {
    uint256 amount;
    address payable recipient;
}

/**
 * @dev The full set of order components, with the exception of the counter,
 *      must be supplied when fulfilling more sophisticated orders or groups of
 *      orders. The total number of original consideration items must also be
 *      supplied, as the caller may specify additional consideration items.
 */
struct OrderParameters {
    address offerer; // 0x00
    address zone; // 0x20
    OfferItem[] offer; // 0x40
    ConsiderationItem[] consideration; // 0x60
    OrderType orderType; // 0x80
    uint256 startTime; // 0xa0
    uint256 endTime; // 0xc0
    bytes32 zoneHash; // 0xe0
    uint256 salt; // 0x100
    bytes32 conduitKey; // 0x120
    uint256 totalOriginalConsiderationItems; // 0x140
    // offer.length                          // 0x160
}

/**
 * @dev Orders require a signature in addition to the other order parameters.
 */
struct Order {
    OrderParameters parameters;
    bytes signature;
}

/**
 * @dev Advanced orders include a numerator (i.e. a fraction to attempt to fill)
 *      and a denominator (the total size of the order) in addition to the
 *      signature and other order parameters. It also supports an optional field
 *      for supplying extra data; this data will be included in a staticcall to
 *      `isValidOrderIncludingExtraData` on the zone for the order if the order
 *      type is restricted and the offerer or zone are not the caller.
 */
struct AdvancedOrder {
    OrderParameters parameters;
    uint120 numerator;
    uint120 denominator;
    bytes signature;
    bytes extraData;
}

/**
 * @dev Orders can be validated (either explicitly via `validate`, or as a
 *      consequence of a full or partial fill), specifically cancelled (they can
 *      also be cancelled in bulk via incrementing a per-zone counter), and
 *      partially or fully filled (with the fraction filled represented by a
 *      numerator and denominator).
 */
struct OrderStatus {
    bool isValidated;
    bool isCancelled;
    uint120 numerator;
    uint120 denominator;
}

/**
 * @dev A criteria resolver specifies an order, side (offer vs. consideration),
 *      and item index. It then provides a chosen identifier (i.e. tokenId)
 *      alongside a merkle proof demonstrating the identifier meets the required
 *      criteria.
 */
struct CriteriaResolver {
    uint256 orderIndex;
    Side side;
    uint256 index;
    uint256 identifier;
    bytes32[] criteriaProof;
}

/**
 * @dev A fulfillment is applied to a group of orders. It decrements a series of
 *      offer and consideration items, then generates a single execution
 *      element. A given fulfillment can be applied to as many offer and
 *      consideration items as desired, but must contain at least one offer and
 *      at least one consideration that match. The fulfillment must also remain
 *      consistent on all key parameters across all offer items (same offerer,
 *      token, type, tokenId, and conduit preference) as well as across all
 *      consideration items (token, type, tokenId, and recipient).
 */
struct Fulfillment {
    FulfillmentComponent[] offerComponents;
    FulfillmentComponent[] considerationComponents;
}

/**
 * @dev Each fulfillment component contains one index referencing a specific
 *      order and another referencing a specific offer or consideration item.
 */
struct FulfillmentComponent {
    uint256 orderIndex;
    uint256 itemIndex;
}

/**
 * @dev An execution is triggered once all consideration items have been zeroed
 *      out. It sends the item in question from the offerer to the item's
 *      recipient, optionally sourcing approvals from either this contract
 *      directly or from the offerer's chosen conduit if one is specified. An
 *      execution is not provided as an argument, but rather is derived via
 *      orders, criteria resolvers, and fulfillments (where the total number of
 *      executions will be less than or equal to the total number of indicated
 *      fulfillments) and returned as part of `matchOrders`.
 */
struct Execution {
    ReceivedItem item;
    address offerer;
    bytes32 conduitKey;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

// prettier-ignore
enum OrderType {
    // 0: no partial fills, anyone can execute
    FULL_OPEN,

    // 1: partial fills supported, anyone can execute
    PARTIAL_OPEN,

    // 2: no partial fills, only offerer or zone can execute
    FULL_RESTRICTED,

    // 3: partial fills supported, only offerer or zone can execute
    PARTIAL_RESTRICTED
}

// prettier-ignore
enum BasicOrderType {
    // 0: no partial fills, anyone can execute
    ETH_TO_ERC721_FULL_OPEN,

    // 1: partial fills supported, anyone can execute
    ETH_TO_ERC721_PARTIAL_OPEN,

    // 2: no partial fills, only offerer or zone can execute
    ETH_TO_ERC721_FULL_RESTRICTED,

    // 3: partial fills supported, only offerer or zone can execute
    ETH_TO_ERC721_PARTIAL_RESTRICTED,

    // 4: no partial fills, anyone can execute
    ETH_TO_ERC1155_FULL_OPEN,

    // 5: partial fills supported, anyone can execute
    ETH_TO_ERC1155_PARTIAL_OPEN,

    // 6: no partial fills, only offerer or zone can execute
    ETH_TO_ERC1155_FULL_RESTRICTED,

    // 7: partial fills supported, only offerer or zone can execute
    ETH_TO_ERC1155_PARTIAL_RESTRICTED,

    // 8: no partial fills, anyone can execute
    ERC20_TO_ERC721_FULL_OPEN,

    // 9: partial fills supported, anyone can execute
    ERC20_TO_ERC721_PARTIAL_OPEN,

    // 10: no partial fills, only offerer or zone can execute
    ERC20_TO_ERC721_FULL_RESTRICTED,

    // 11: partial fills supported, only offerer or zone can execute
    ERC20_TO_ERC721_PARTIAL_RESTRICTED,

    // 12: no partial fills, anyone can execute
    ERC20_TO_ERC1155_FULL_OPEN,

    // 13: partial fills supported, anyone can execute
    ERC20_TO_ERC1155_PARTIAL_OPEN,

    // 14: no partial fills, only offerer or zone can execute
    ERC20_TO_ERC1155_FULL_RESTRICTED,

    // 15: partial fills supported, only offerer or zone can execute
    ERC20_TO_ERC1155_PARTIAL_RESTRICTED,

    // 16: no partial fills, anyone can execute
    ERC721_TO_ERC20_FULL_OPEN,

    // 17: partial fills supported, anyone can execute
    ERC721_TO_ERC20_PARTIAL_OPEN,

    // 18: no partial fills, only offerer or zone can execute
    ERC721_TO_ERC20_FULL_RESTRICTED,

    // 19: partial fills supported, only offerer or zone can execute
    ERC721_TO_ERC20_PARTIAL_RESTRICTED,

    // 20: no partial fills, anyone can execute
    ERC1155_TO_ERC20_FULL_OPEN,

    // 21: partial fills supported, anyone can execute
    ERC1155_TO_ERC20_PARTIAL_OPEN,

    // 22: no partial fills, only offerer or zone can execute
    ERC1155_TO_ERC20_FULL_RESTRICTED,

    // 23: partial fills supported, only offerer or zone can execute
    ERC1155_TO_ERC20_PARTIAL_RESTRICTED
}

// prettier-ignore
enum BasicOrderRouteType {
    // 0: provide Ether (or other native token) to receive offered ERC721 item.
    ETH_TO_ERC721,

    // 1: provide Ether (or other native token) to receive offered ERC1155 item.
    ETH_TO_ERC1155,

    // 2: provide ERC20 item to receive offered ERC721 item.
    ERC20_TO_ERC721,

    // 3: provide ERC20 item to receive offered ERC1155 item.
    ERC20_TO_ERC1155,

    // 4: provide ERC721 item to receive offered ERC20 item.
    ERC721_TO_ERC20,

    // 5: provide ERC1155 item to receive offered ERC20 item.
    ERC1155_TO_ERC20
}

// prettier-ignore
enum ItemType {
    // 0: ETH on mainnet, MATIC on polygon, etc.
    NATIVE,

    // 1: ERC20 items (ERC777 and ERC20 analogues could also technically work)
    ERC20,

    // 2: ERC721 items
    ERC721,

    // 3: ERC1155 items
    ERC1155,

    // 4: ERC721 items where a number of tokenIds are supported
    ERC721_WITH_CRITERIA,

    // 5: ERC1155 items where a number of ids are supported
    ERC1155_WITH_CRITERIA
}

// prettier-ignore
enum Side {
    // 0: Items that can be spent
    OFFER,

    // 1: Items that must be received
    CONSIDERATION
}

// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.10;

/******************************************************************************\
* EIP-2535: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

interface IParaProxy {
    enum ProxyImplementationAction {
        Add,
        Replace,
        Remove
    }
    // Add=0, Replace=1, Remove=2

    struct ProxyImplementation {
        address implAddress;
        ProxyImplementationAction action;
        bytes4[] functionSelectors;
    }

    /// @notice Add/replace/remove any number of functions and optionally execute
    ///         a function with delegatecall
    /// @param _implementationParams Contains the implementation addresses and function selectors
    /// @param _init The address of the contract or implementation to execute _calldata
    /// @param _calldata A function call, including function selector and arguments
    ///                  _calldata is executed with delegatecall on _init
    function updateImplementation(
        ProxyImplementation[] calldata _implementationParams,
        address _init,
        bytes calldata _calldata
    ) external;

    event ImplementationUpdated(
        ProxyImplementation[] _implementationParams,
        address _init,
        bytes _calldata
    );
}

{
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "evmVersion": "london",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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-----Decoded View---------------
Arg [0] : provider (address): 0x6cD30e716ADbE47dADf7319f6F2FB83d507c857d
Arg [1] : optimalUsageRatio (uint256): 850000000000000000000000000
Arg [2] : baseVariableBorrowRate (uint256): 50000000000000000000000000
Arg [3] : variableRateSlope1 (uint256): 100000000000000000000000000
Arg [4] : variableRateSlope2 (uint256): 230000000000000000000000000

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000006cd30e716adbe47dadf7319f6f2fb83d507c857d
Arg [1] : 000000000000000000000000000000000000000002bf1a8054a46d0092000000
Arg [2] : 000000000000000000000000000000000000000000295be96e64066972000000
Arg [3] : 00000000000000000000000000000000000000000052b7d2dcc80cd2e4000000
Arg [4] : 000000000000000000000000000000000000000000be4064fbcc1d7ea6000000