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// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import {IReserveInterestRateStrategy} from "../../interfaces/IReserveInterestRateStrategy.sol";
import {WadRayMath} from "../libraries/math/WadRayMath.sol";
import {PercentageMath} from "../libraries/math/PercentageMath.sol";
import {ILendingPoolAddressesProvider} from "../../interfaces/ILendingPoolAddressesProvider.sol";
import {ILendingRateOracle} from "../../interfaces/ILendingRateOracle.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.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_UTILIZATION_RATE`
 * point of utilization and another from that one to 100%
 * - An instance of this same contract, can't be used across different Aave markets, due to the caching
 *   of the LendingPoolAddressesProvider
 * @author Aave
 **/
contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy {
	using WadRayMath for uint256;
	using SafeMath for uint256;
	using PercentageMath for uint256;

	/**
	 * @dev this constant represents the utilization rate at which the pool aims to obtain most competitive borrow rates.
	 * Expressed in ray
	 **/
	uint256 public immutable OPTIMAL_UTILIZATION_RATE;

	/**
	 * @dev This constant represents the excess utilization rate above the optimal. It's always equal to
	 * 1-optimal utilization rate. Added as a constant here for gas optimizations.
	 * Expressed in ray
	 **/

	uint256 public immutable EXCESS_UTILIZATION_RATE;

	ILendingPoolAddressesProvider public immutable addressesProvider;

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

	// Slope of the variable interest curve when utilization rate > 0 and <= OPTIMAL_UTILIZATION_RATE. Expressed in ray
	uint256 internal immutable _variableRateSlope1;

	// Slope of the variable interest curve when utilization rate > OPTIMAL_UTILIZATION_RATE. Expressed in ray
	uint256 internal immutable _variableRateSlope2;

	// Slope of the stable interest curve when utilization rate > 0 and <= OPTIMAL_UTILIZATION_RATE. Expressed in ray
	uint256 internal immutable _stableRateSlope1;

	// Slope of the stable interest curve when utilization rate > OPTIMAL_UTILIZATION_RATE. Expressed in ray
	uint256 internal immutable _stableRateSlope2;

	constructor(
		ILendingPoolAddressesProvider provider,
		uint256 optimalUtilizationRate_,
		uint256 baseVariableBorrowRate_,
		uint256 variableRateSlope1_,
		uint256 variableRateSlope2_,
		uint256 stableRateSlope1_,
		uint256 stableRateSlope2_
	) {
		OPTIMAL_UTILIZATION_RATE = optimalUtilizationRate_;
		EXCESS_UTILIZATION_RATE = WadRayMath.ray().sub(optimalUtilizationRate_);
		addressesProvider = provider;
		_baseVariableBorrowRate = baseVariableBorrowRate_;
		_variableRateSlope1 = variableRateSlope1_;
		_variableRateSlope2 = variableRateSlope2_;
		_stableRateSlope1 = stableRateSlope1_;
		_stableRateSlope2 = stableRateSlope2_;
	}

	function variableRateSlope1() external view returns (uint256) {
		return _variableRateSlope1;
	}

	function variableRateSlope2() external view returns (uint256) {
		return _variableRateSlope2;
	}

	function stableRateSlope1() external view returns (uint256) {
		return _stableRateSlope1;
	}

	function stableRateSlope2() external view returns (uint256) {
		return _stableRateSlope2;
	}

	function baseVariableBorrowRate() external view override returns (uint256) {
		return _baseVariableBorrowRate;
	}

	function getMaxVariableBorrowRate() external view override returns (uint256) {
		return _baseVariableBorrowRate.add(_variableRateSlope1).add(_variableRateSlope2);
	}

	/**
	 * @dev Calculates the interest rates depending on the reserve's state and configurations
	 * @param reserve The address of the reserve
	 * @param liquidityAdded The liquidity added during the operation
	 * @param liquidityTaken The liquidity taken during the operation
	 * @param totalStableDebt The total borrowed from the reserve a stable rate
	 * @param totalVariableDebt The total borrowed from the reserve at a variable rate
	 * @param averageStableBorrowRate The weighted average of all the stable rate loans
	 * @param reserveFactor The reserve portion of the interest that goes to the treasury of the market
	 * @return The liquidity rate, the stable borrow rate and the variable borrow rate
	 **/
	function calculateInterestRates(
		address reserve,
		address aToken,
		uint256 liquidityAdded,
		uint256 liquidityTaken,
		uint256 totalStableDebt,
		uint256 totalVariableDebt,
		uint256 averageStableBorrowRate,
		uint256 reserveFactor
	) external view override returns (uint256, uint256, uint256) {
		uint256 availableLiquidity = IERC20(reserve).balanceOf(aToken);
		//avoid stack too deep
		availableLiquidity = availableLiquidity.add(liquidityAdded).sub(liquidityTaken);

		return
			calculateInterestRates(
				reserve,
				availableLiquidity,
				totalStableDebt,
				totalVariableDebt,
				averageStableBorrowRate,
				reserveFactor
			);
	}

	struct CalcInterestRatesLocalVars {
		uint256 totalDebt;
		uint256 currentVariableBorrowRate;
		uint256 currentStableBorrowRate;
		uint256 currentLiquidityRate;
		uint256 utilizationRate;
	}

	/**
	 * @dev Calculates the interest rates depending on the reserve's state and configurations.
	 * NOTE This function is kept for compatibility with the previous DefaultInterestRateStrategy interface.
	 * New protocol implementation uses the new calculateInterestRates() interface
	 * @param reserve The address of the reserve
	 * @param availableLiquidity The liquidity available in the corresponding aToken
	 * @param totalStableDebt The total borrowed from the reserve a stable rate
	 * @param totalVariableDebt The total borrowed from the reserve at a variable rate
	 * @param averageStableBorrowRate The weighted average of all the stable rate loans
	 * @param reserveFactor The reserve portion of the interest that goes to the treasury of the market
	 * @return The liquidity rate, the stable borrow rate and the variable borrow rate
	 **/
	function calculateInterestRates(
		address reserve,
		uint256 availableLiquidity,
		uint256 totalStableDebt,
		uint256 totalVariableDebt,
		uint256 averageStableBorrowRate,
		uint256 reserveFactor
	) public view override returns (uint256, uint256, uint256) {
		CalcInterestRatesLocalVars memory vars;

		vars.totalDebt = totalStableDebt.add(totalVariableDebt);
		vars.currentVariableBorrowRate = 0;
		vars.currentStableBorrowRate = 0;
		vars.currentLiquidityRate = 0;

		vars.utilizationRate = vars.totalDebt == 0 ? 0 : vars.totalDebt.rayDiv(availableLiquidity.add(vars.totalDebt));

		vars.currentStableBorrowRate = ILendingRateOracle(addressesProvider.getLendingRateOracle()).getMarketBorrowRate(
			reserve
		);

		if (vars.utilizationRate > OPTIMAL_UTILIZATION_RATE) {
			uint256 excessUtilizationRateRatio = vars.utilizationRate.sub(OPTIMAL_UTILIZATION_RATE).rayDiv(
				EXCESS_UTILIZATION_RATE
			);

			vars.currentStableBorrowRate = vars.currentStableBorrowRate.add(_stableRateSlope1).add(
				_stableRateSlope2.rayMul(excessUtilizationRateRatio)
			);

			vars.currentVariableBorrowRate = _baseVariableBorrowRate.add(_variableRateSlope1).add(
				_variableRateSlope2.rayMul(excessUtilizationRateRatio)
			);
		} else {
			vars.currentStableBorrowRate = vars.currentStableBorrowRate.add(
				_stableRateSlope1.rayMul(vars.utilizationRate.rayDiv(OPTIMAL_UTILIZATION_RATE))
			);
			vars.currentVariableBorrowRate = _baseVariableBorrowRate.add(
				vars.utilizationRate.rayMul(_variableRateSlope1).rayDiv(OPTIMAL_UTILIZATION_RATE)
			);
		}

		vars.currentLiquidityRate = _getOverallBorrowRate(
			totalStableDebt,
			totalVariableDebt,
			vars.currentVariableBorrowRate,
			averageStableBorrowRate
		).rayMul(vars.utilizationRate).percentMul(PercentageMath.PERCENTAGE_FACTOR.sub(reserveFactor));

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

	/**
	 * @dev Calculates the overall borrow rate as the weighted average between the total variable debt and total stable debt
	 * @param totalStableDebt The total borrowed from the reserve a stable rate
	 * @param totalVariableDebt The total borrowed from the reserve at a variable rate
	 * @param currentVariableBorrowRate The current variable borrow rate of the reserve
	 * @param currentAverageStableBorrowRate The current weighted average of all the stable rate loans
	 * @return The weighted averaged borrow rate
	 **/
	function _getOverallBorrowRate(
		uint256 totalStableDebt,
		uint256 totalVariableDebt,
		uint256 currentVariableBorrowRate,
		uint256 currentAverageStableBorrowRate
	) internal pure returns (uint256) {
		uint256 totalDebt = totalStableDebt.add(totalVariableDebt);

		if (totalDebt == 0) return 0;

		uint256 weightedVariableRate = totalVariableDebt.wadToRay().rayMul(currentVariableBorrowRate);

		uint256 weightedStableRate = totalStableDebt.wadToRay().rayMul(currentAverageStableBorrowRate);

		uint256 overallBorrowRate = weightedVariableRate.add(weightedStableRate).rayDiv(totalDebt.wadToRay());

		return overallBorrowRate;
	}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

/**
 * @title LendingPoolAddressesProvider contract
 * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles
 * - Acting also as factory of proxies and admin of those, so with right to change its implementations
 * - Owned by the Aave Governance
 * @author Aave
 **/
interface ILendingPoolAddressesProvider {
	event MarketIdSet(string newMarketId);
	event LendingPoolUpdated(address indexed newAddress);
	event ConfigurationAdminUpdated(address indexed newAddress);
	event EmergencyAdminUpdated(address indexed newAddress);
	event LendingPoolConfiguratorUpdated(address indexed newAddress);
	event LendingPoolCollateralManagerUpdated(address indexed newAddress);
	event PriceOracleUpdated(address indexed newAddress);
	event LendingRateOracleUpdated(address indexed newAddress);
	event ProxyCreated(bytes32 id, address indexed newAddress);
	event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy);

	function getMarketId() external view returns (string memory);

	function setMarketId(string calldata marketId) external;

	function setAddress(bytes32 id, address newAddress) external;

	function setAddressAsProxy(bytes32 id, address impl) external;

	function getAddress(bytes32 id) external view returns (address);

	function getLendingPool() external view returns (address);

	function setLendingPoolImpl(address pool) external;

	function getLendingPoolConfigurator() external view returns (address);

	function setLendingPoolConfiguratorImpl(address configurator) external;

	function getLendingPoolCollateralManager() external view returns (address);

	function setLendingPoolCollateralManager(address manager) external;

	function getPoolAdmin() external view returns (address);

	function setPoolAdmin(address admin) external;

	function getEmergencyAdmin() external view returns (address);

	function setEmergencyAdmin(address admin) external;

	function getPriceOracle() external view returns (address);

	function setPriceOracle(address priceOracle) external;

	function getLendingRateOracle() external view returns (address);

	function setLendingRateOracle(address lendingRateOracle) external;

	function getLiquidationFeeTo() external view returns (address);

	function setLiquidationFeeTo(address liquidationFeeTo) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

/**
 * @title ILendingRateOracle interface
 * @notice Interface for the Aave borrow rate oracle. Provides the average market borrow rate to be used as a base for the stable borrow rate calculations
 **/

interface ILendingRateOracle {
	/**
    @dev returns the market borrow rate in ray
    **/
	function getMarketBorrowRate(address asset) external view returns (uint256);

	/**
    @dev sets the market borrow rate. Rate value must be in ray
    **/
	function setMarketBorrowRate(address asset, uint256 rate) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

/**
 * @title IReserveInterestRateStrategyInterface interface
 * @dev Interface for the calculation of the interest rates
 * @author Aave
 */
interface IReserveInterestRateStrategy {
	function baseVariableBorrowRate() external view returns (uint256);

	function getMaxVariableBorrowRate() external view returns (uint256);

	function calculateInterestRates(
		address reserve,
		uint256 availableLiquidity,
		uint256 totalStableDebt,
		uint256 totalVariableDebt,
		uint256 averageStableBorrowRate,
		uint256 reserveFactor
	) external view returns (uint256, uint256, uint256);

	function calculateInterestRates(
		address reserve,
		address aToken,
		uint256 liquidityAdded,
		uint256 liquidityTaken,
		uint256 totalStableDebt,
		uint256 totalVariableDebt,
		uint256 averageStableBorrowRate,
		uint256 reserveFactor
	) external view returns (uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

/**
 * @title Errors library
 * @author Aave
 * @notice Defines the error messages emitted by the different contracts of the Aave protocol
 * @dev Error messages prefix glossary:
 *  - VL = ValidationLogic
 *  - MATH = Math libraries
 *  - CT = Common errors between tokens (AToken, VariableDebtToken and StableDebtToken)
 *  - AT = AToken
 *  - SDT = StableDebtToken
 *  - VDT = VariableDebtToken
 *  - LP = LendingPool
 *  - LPAPR = LendingPoolAddressesProviderRegistry
 *  - LPC = LendingPoolConfiguration
 *  - RL = ReserveLogic
 *  - LPCM = LendingPoolCollateralManager
 *  - P = Pausable
 */
library Errors {
	//common errors
	string public constant CALLER_NOT_POOL_ADMIN = "33"; // 'The caller must be the pool admin'
	string public constant BORROW_ALLOWANCE_NOT_ENOUGH = "59"; // User borrows on behalf, but allowance are too small

	//contract specific errors
	string public constant VL_INVALID_AMOUNT = "1"; // 'Amount must be greater than 0'
	string public constant VL_NO_ACTIVE_RESERVE = "2"; // 'Action requires an active reserve'
	string public constant VL_RESERVE_FROZEN = "3"; // 'Action cannot be performed because the reserve is frozen'
	string public constant VL_CURRENT_AVAILABLE_LIQUIDITY_NOT_ENOUGH = "4"; // 'The current liquidity is not enough'
	string public constant VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE = "5"; // 'User cannot withdraw more than the available balance'
	string public constant VL_TRANSFER_NOT_ALLOWED = "6"; // 'Transfer cannot be allowed.'
	string public constant VL_BORROWING_NOT_ENABLED = "7"; // 'Borrowing is not enabled'
	string public constant VL_INVALID_INTEREST_RATE_MODE_SELECTED = "8"; // 'Invalid interest rate mode selected'
	string public constant VL_COLLATERAL_BALANCE_IS_0 = "9"; // 'The collateral balance is 0'
	string public constant VL_HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = "10"; // 'Health factor is lesser than the liquidation threshold'
	string public constant VL_COLLATERAL_CANNOT_COVER_NEW_BORROW = "11"; // 'There is not enough collateral to cover a new borrow'
	string public constant VL_STABLE_BORROWING_NOT_ENABLED = "12"; // stable borrowing not enabled
	string public constant VL_COLLATERAL_SAME_AS_BORROWING_CURRENCY = "13"; // collateral is (mostly) the same currency that is being borrowed
	string public constant VL_AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = "14"; // 'The requested amount is greater than the max loan size in stable rate mode
	string public constant VL_NO_DEBT_OF_SELECTED_TYPE = "15"; // 'for repayment of stable debt, the user needs to have stable debt, otherwise, he needs to have variable debt'
	string public constant VL_NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = "16"; // 'To repay on behalf of an user an explicit amount to repay is needed'
	string public constant VL_NO_STABLE_RATE_LOAN_IN_RESERVE = "17"; // 'User does not have a stable rate loan in progress on this reserve'
	string public constant VL_NO_VARIABLE_RATE_LOAN_IN_RESERVE = "18"; // 'User does not have a variable rate loan in progress on this reserve'
	string public constant VL_UNDERLYING_BALANCE_NOT_GREATER_THAN_0 = "19"; // 'The underlying balance needs to be greater than 0'
	string public constant VL_DEPOSIT_ALREADY_IN_USE = "20"; // 'User deposit is already being used as collateral'
	string public constant LP_NOT_ENOUGH_STABLE_BORROW_BALANCE = "21"; // 'User does not have any stable rate loan for this reserve'
	string public constant LP_INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = "22"; // 'Interest rate rebalance conditions were not met'
	string public constant LP_LIQUIDATION_CALL_FAILED = "23"; // 'Liquidation call failed'
	string public constant LP_NOT_ENOUGH_LIQUIDITY_TO_BORROW = "24"; // 'There is not enough liquidity available to borrow'
	string public constant LP_REQUESTED_AMOUNT_TOO_SMALL = "25"; // 'The requested amount is too small for a FlashLoan.'
	string public constant LP_INCONSISTENT_PROTOCOL_ACTUAL_BALANCE = "26"; // 'The actual balance of the protocol is inconsistent'
	string public constant LP_CALLER_NOT_LENDING_POOL_CONFIGURATOR = "27"; // 'The caller of the function is not the lending pool configurator'
	string public constant LP_INCONSISTENT_FLASHLOAN_PARAMS = "28";
	string public constant CT_CALLER_MUST_BE_LENDING_POOL = "29"; // 'The caller of this function must be a lending pool'
	string public constant CT_CANNOT_GIVE_ALLOWANCE_TO_HIMSELF = "30"; // 'User cannot give allowance to himself'
	string public constant CT_TRANSFER_AMOUNT_NOT_GT_0 = "31"; // 'Transferred amount needs to be greater than zero'
	string public constant RL_RESERVE_ALREADY_INITIALIZED = "32"; // 'Reserve has already been initialized'
	string public constant LPC_RESERVE_LIQUIDITY_NOT_0 = "34"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_ATOKEN_POOL_ADDRESS = "35"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_STABLE_DEBT_TOKEN_POOL_ADDRESS = "36"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_POOL_ADDRESS = "37"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_STABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = "38"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = "39"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_ADDRESSES_PROVIDER_ID = "40"; // 'The liquidity of the reserve needs to be 0'
	string public constant LPC_INVALID_CONFIGURATION = "75"; // 'Invalid risk parameters for the reserve'
	string public constant LPC_CALLER_NOT_EMERGENCY_ADMIN = "76"; // 'The caller must be the emergency admin'
	string public constant LPAPR_PROVIDER_NOT_REGISTERED = "41"; // 'Provider is not registered'
	string public constant LPCM_HEALTH_FACTOR_NOT_BELOW_THRESHOLD = "42"; // 'Health factor is not below the threshold'
	string public constant LPCM_COLLATERAL_CANNOT_BE_LIQUIDATED = "43"; // 'The collateral chosen cannot be liquidated'
	string public constant LPCM_SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "44"; // 'User did not borrow the specified currency'
	string public constant LPCM_NOT_ENOUGH_LIQUIDITY_TO_LIQUIDATE = "45"; // "There isn't enough liquidity available to liquidate"
	string public constant LPCM_NO_ERRORS = "46"; // 'No errors'
	string public constant LP_INVALID_FLASHLOAN_MODE = "47"; //Invalid flashloan mode selected
	string public constant MATH_MULTIPLICATION_OVERFLOW = "48";
	string public constant MATH_ADDITION_OVERFLOW = "49";
	string public constant MATH_DIVISION_BY_ZERO = "50";
	string public constant RL_LIQUIDITY_INDEX_OVERFLOW = "51"; //  Liquidity index overflows uint128
	string public constant RL_VARIABLE_BORROW_INDEX_OVERFLOW = "52"; //  Variable borrow index overflows uint128
	string public constant RL_LIQUIDITY_RATE_OVERFLOW = "53"; //  Liquidity rate overflows uint128
	string public constant RL_VARIABLE_BORROW_RATE_OVERFLOW = "54"; //  Variable borrow rate overflows uint128
	string public constant RL_STABLE_BORROW_RATE_OVERFLOW = "55"; //  Stable borrow rate overflows uint128
	string public constant CT_INVALID_MINT_AMOUNT = "56"; //invalid amount to mint
	string public constant LP_FAILED_REPAY_WITH_COLLATERAL = "57";
	string public constant CT_INVALID_BURN_AMOUNT = "58"; //invalid amount to burn
	string public constant LP_FAILED_COLLATERAL_SWAP = "60";
	string public constant LP_INVALID_EQUAL_ASSETS_TO_SWAP = "61";
	string public constant LP_REENTRANCY_NOT_ALLOWED = "62";
	string public constant LP_CALLER_MUST_BE_AN_ATOKEN = "63";
	string public constant LP_IS_PAUSED = "64"; // 'Pool is paused'
	string public constant LP_NO_MORE_RESERVES_ALLOWED = "65";
	string public constant LP_INVALID_FLASH_LOAN_EXECUTOR_RETURN = "66";
	string public constant RC_INVALID_LTV = "67";
	string public constant RC_INVALID_LIQ_THRESHOLD = "68";
	string public constant RC_INVALID_LIQ_BONUS = "69";
	string public constant RC_INVALID_DECIMALS = "70";
	string public constant RC_INVALID_RESERVE_FACTOR = "71";
	string public constant LPAPR_INVALID_ADDRESSES_PROVIDER_ID = "72";
	string public constant VL_INCONSISTENT_FLASHLOAN_PARAMS = "73";
	string public constant LP_INCONSISTENT_PARAMS_LENGTH = "74";
	string public constant UL_INVALID_INDEX = "77";
	string public constant LP_NOT_CONTRACT = "78";
	string public constant SDT_STABLE_DEBT_OVERFLOW = "79";
	string public constant SDT_BURN_EXCEEDS_BALANCE = "80";

	enum CollateralManagerErrors {
		NO_ERROR,
		NO_COLLATERAL_AVAILABLE,
		COLLATERAL_CANNOT_BE_LIQUIDATED,
		CURRRENCY_NOT_BORROWED,
		HEALTH_FACTOR_ABOVE_THRESHOLD,
		NOT_ENOUGH_LIQUIDITY,
		NO_ACTIVE_RESERVE,
		HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD,
		INVALID_EQUAL_ASSETS_TO_SWAP,
		FROZEN_RESERVE
	}
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

import {Errors} from "../helpers/Errors.sol";

/**
 * @title PercentageMath library
 * @author Aave
 * @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 half up
 **/

library PercentageMath {
	uint256 constant PERCENTAGE_FACTOR = 1e4; //percentage plus two decimals
	uint256 constant HALF_PERCENT = PERCENTAGE_FACTOR / 2;

	/**
	 * @dev Executes a percentage multiplication
	 * @param value The value of which the percentage needs to be calculated
	 * @param percentage The percentage of the value to be calculated
	 * @return The percentage of value
	 **/
	function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256) {
		if (value == 0 || percentage == 0) {
			return 0;
		}

		require(value <= (type(uint256).max - HALF_PERCENT) / percentage, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (value * percentage + HALF_PERCENT) / PERCENTAGE_FACTOR;
	}

	/**
	 * @dev Executes a percentage division
	 * @param value The value of which the percentage needs to be calculated
	 * @param percentage The percentage of the value to be calculated
	 * @return The value divided the percentage
	 **/
	function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256) {
		require(percentage != 0, Errors.MATH_DIVISION_BY_ZERO);
		uint256 halfPercentage = percentage / 2;

		require(value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (value * PERCENTAGE_FACTOR + halfPercentage) / percentage;
	}
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;

import {Errors} from "../helpers/Errors.sol";

/**
 * @title WadRayMath library
 * @author Aave
 * @dev Provides mul and div function for wads (decimal numbers with 18 digits precision) and rays (decimals with 27 digits)
 **/

library WadRayMath {
	uint256 internal constant WAD = 1e18;
	uint256 internal constant halfWAD = WAD / 2;

	uint256 internal constant RAY = 1e27;
	uint256 internal constant halfRAY = RAY / 2;

	uint256 internal constant WAD_RAY_RATIO = 1e9;

	/**
	 * @return One ray, 1e27
	 **/
	function ray() internal pure returns (uint256) {
		return RAY;
	}

	/**
	 * @return One wad, 1e18
	 **/

	function wad() internal pure returns (uint256) {
		return WAD;
	}

	/**
	 * @return Half ray, 1e27/2
	 **/
	function halfRay() internal pure returns (uint256) {
		return halfRAY;
	}

	/**
	 * @return Half ray, 1e18/2
	 **/
	function halfWad() internal pure returns (uint256) {
		return halfWAD;
	}

	/**
	 * @dev Multiplies two wad, rounding half up to the nearest wad
	 * @param a Wad
	 * @param b Wad
	 * @return The result of a*b, in wad
	 **/
	function wadMul(uint256 a, uint256 b) internal pure returns (uint256) {
		if (a == 0 || b == 0) {
			return 0;
		}

		require(a <= (type(uint256).max - halfWAD) / b, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (a * b + halfWAD) / WAD;
	}

	/**
	 * @dev Divides two wad, rounding half up to the nearest wad
	 * @param a Wad
	 * @param b Wad
	 * @return The result of a/b, in wad
	 **/
	function wadDiv(uint256 a, uint256 b) internal pure returns (uint256) {
		require(b != 0, Errors.MATH_DIVISION_BY_ZERO);
		uint256 halfB = b / 2;

		require(a <= (type(uint256).max - halfB) / WAD, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (a * WAD + halfB) / b;
	}

	/**
	 * @dev Multiplies two ray, rounding half up to the nearest ray
	 * @param a Ray
	 * @param b Ray
	 * @return The result of a*b, in ray
	 **/
	function rayMul(uint256 a, uint256 b) internal pure returns (uint256) {
		if (a == 0 || b == 0) {
			return 0;
		}

		require(a <= (type(uint256).max - halfRAY) / b, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (a * b + halfRAY) / RAY;
	}

	/**
	 * @dev Divides two ray, rounding half up to the nearest ray
	 * @param a Ray
	 * @param b Ray
	 * @return The result of a/b, in ray
	 **/
	function rayDiv(uint256 a, uint256 b) internal pure returns (uint256) {
		require(b != 0, Errors.MATH_DIVISION_BY_ZERO);
		uint256 halfB = b / 2;

		require(a <= (type(uint256).max - halfB) / RAY, Errors.MATH_MULTIPLICATION_OVERFLOW);

		return (a * RAY + halfB) / b;
	}

	/**
	 * @dev Casts ray down to wad
	 * @param a Ray
	 * @return a casted to wad, rounded half up to the nearest wad
	 **/
	function rayToWad(uint256 a) internal pure returns (uint256) {
		uint256 halfRatio = WAD_RAY_RATIO / 2;
		uint256 result = halfRatio + a;
		require(result >= halfRatio, Errors.MATH_ADDITION_OVERFLOW);

		return result / WAD_RAY_RATIO;
	}

	/**
	 * @dev Converts wad up to ray
	 * @param a Wad
	 * @return a converted in ray
	 **/
	function wadToRay(uint256 a) internal pure returns (uint256) {
		uint256 result = a * WAD_RAY_RATIO;
		require(result / WAD_RAY_RATIO == a, Errors.MATH_MULTIPLICATION_OVERFLOW);
		return result;
	}
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract ILendingPoolAddressesProvider","name":"provider","type":"address"},{"internalType":"uint256","name":"optimalUtilizationRate_","type":"uint256"},{"internalType":"uint256","name":"baseVariableBorrowRate_","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope1_","type":"uint256"},{"internalType":"uint256","name":"variableRateSlope2_","type":"uint256"},{"internalType":"uint256","name":"stableRateSlope1_","type":"uint256"},{"internalType":"uint256","name":"stableRateSlope2_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"EXCESS_UTILIZATION_RATE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPTIMAL_UTILIZATION_RATE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addressesProvider","outputs":[{"internalType":"contract ILendingPoolAddressesProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseVariableBorrowRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"reserve","type":"address"},{"internalType":"address","name":"aToken","type":"address"},{"internalType":"uint256","name":"liquidityAdded","type":"uint256"},{"internalType":"uint256","name":"liquidityTaken","type":"uint256"},{"internalType":"uint256","name":"totalStableDebt","type":"uint256"},{"internalType":"uint256","name":"totalVariableDebt","type":"uint256"},{"internalType":"uint256","name":"averageStableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"}],"name":"calculateInterestRates","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"reserve","type":"address"},{"internalType":"uint256","name":"availableLiquidity","type":"uint256"},{"internalType":"uint256","name":"totalStableDebt","type":"uint256"},{"internalType":"uint256","name":"totalVariableDebt","type":"uint256"},{"internalType":"uint256","name":"averageStableBorrowRate","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"}],"name":"calculateInterestRates","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxVariableBorrowRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stableRateSlope1","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stableRateSlope2","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"variableRateSlope1","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"variableRateSlope2","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000091d52cace1edc5527c99cdcfa6937c1635330e4000000000000000000000000000000000000000001f04ef12cb04cf158000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000031a17e847807b1bc00000000000000000000000000000000000000000000000219aada9b14535aca00000000000000000000000000000000000000000000000031a17e847807b1bc00000000000000000000000000000000000000000000000219aada9b14535aca000000

-----Decoded View---------------
Arg [0] : provider (address): 0x091d52CacE1edc5527C99cDCFA6937C1635330E4
Arg [1] : optimalUtilizationRate_ (uint256): 600000000000000000000000000
Arg [2] : baseVariableBorrowRate_ (uint256): 0
Arg [3] : variableRateSlope1_ (uint256): 60000000000000000000000000
Arg [4] : variableRateSlope2_ (uint256): 650000000000000000000000000
Arg [5] : stableRateSlope1_ (uint256): 60000000000000000000000000
Arg [6] : stableRateSlope2_ (uint256): 650000000000000000000000000

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 000000000000000000000000091d52cace1edc5527c99cdcfa6937c1635330e4
Arg [1] : 000000000000000000000000000000000000000001f04ef12cb04cf158000000
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 00000000000000000000000000000000000000000031a17e847807b1bc000000
Arg [4] : 00000000000000000000000000000000000000000219aada9b14535aca000000
Arg [5] : 00000000000000000000000000000000000000000031a17e847807b1bc000000
Arg [6] : 00000000000000000000000000000000000000000219aada9b14535aca000000