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// SPDX-License-Identifier: MIT
pragma solidity 0.8.12;
pragma abicoder v2;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "../../dependencies/openzeppelin/upgradeability/Initializable.sol";
import "../../dependencies/openzeppelin/upgradeability/OwnableUpgradeable.sol";

import "../../interfaces/IMiddleFeeDistribution.sol";
import "../../interfaces/IMultiFeeDistribution.sol";
import "../../interfaces/IMintableToken.sol";
import "../../interfaces/IAaveOracle.sol";
import "../../interfaces/IAToken.sol";
import "../../interfaces/IChainlinkAggregator.sol";

/// @title Fee distributor inside
/// @author Radiant
/// @dev All function calls are currently implemented without side effects
contract MiddleFeeDistribution is IMiddleFeeDistribution, Initializable, OwnableUpgradeable {
	using SafeMath for uint256;
	using SafeERC20 for IERC20;

	/// @notice RDNT token
	IMintableToken public rdntToken;

	/// @notice Fee distributor contract for earnings and RDNT lockings
	IMultiFeeDistribution public multiFeeDistribution;

	/// @notice Reward ratio for operation expenses
	uint256 public override operationExpenseRatio;

	uint256 public constant RATIO_DIVISOR = 10000;

	uint8 public constant DECIMALS = 18;

	mapping(address => bool) public override isRewardToken;

	/// @notice Operation Expense account
	address public override operationExpenses;

	/// @notice Admin address
	address public admin;

	// AAVE Oracle address
	address internal _aaveOracle;

	/********************** Events ***********************/

	/// @notice Emitted when ERC20 token is recovered
	event Recovered(address token, uint256 amount);

	/// @notice Emitted when reward token is forwarded
	event ForwardReward(address token, uint256 amount);

	/// @notice Emitted when OpEx info is updated
	event SetOperationExpenses(address opEx, uint256 ratio);

	/// @notice Emitted when operation expenses is set
	event OperationExpensesUpdated(address _operationExpenses, uint256 _operationExpenseRatio);

	event NewTransferAdded(address indexed asset, uint256 lpUsdValue);

	/**
	 * @dev Throws if called by any account other than the admin or owner.
	 */
	modifier onlyAdminOrOwner() {
		require(admin == _msgSender() || owner() == _msgSender(), "caller is not the admin or owner");
		_;
	}

	function initialize(
		address _rdntToken,
		address aaveOracle,
		IMultiFeeDistribution _multiFeeDistribution
	) public initializer {
		__Ownable_init();

		rdntToken = IMintableToken(_rdntToken);
		_aaveOracle = aaveOracle;
		multiFeeDistribution = _multiFeeDistribution;

		admin = msg.sender;
	}

	/**
	 * @notice Set operation expenses account
	 */
	function setOperationExpenses(address _operationExpenses, uint256 _operationExpenseRatio) external onlyOwner {
		require(_operationExpenseRatio <= RATIO_DIVISOR, "Invalid ratio");
		operationExpenses = _operationExpenses;
		operationExpenseRatio = _operationExpenseRatio;
		emit OperationExpensesUpdated(_operationExpenses, _operationExpenseRatio);
	}

	function setAdmin(address _configurator) external onlyOwner {
		admin = _configurator;
	}

	/**
	 * @notice Add a new reward token to be distributed to stakers
	 */
	function addReward(address _rewardsToken) external override onlyAdminOrOwner {
		multiFeeDistribution.addReward(_rewardsToken);
		isRewardToken[_rewardsToken] = true;
	}

	/**
	 * @notice Added to support recovering LP Rewards from other systems such as BAL to be distributed to holders
	 */
	function forwardReward(address[] memory _rewardTokens) external override {
		require(msg.sender == address(multiFeeDistribution),"!mfd");

		for (uint256 i = 0; i < _rewardTokens.length; i += 1) {
			uint256 total = IERC20(_rewardTokens[i]).balanceOf(address(this));

			if (operationExpenses != address(0) && operationExpenseRatio != 0) {
				uint256 opExAmount = total.mul(operationExpenseRatio).div(RATIO_DIVISOR);
				if (opExAmount != 0) {
					IERC20(_rewardTokens[i]).safeTransfer(operationExpenses, opExAmount);
				}
				total = total.sub(opExAmount);
			}
			total = IERC20(_rewardTokens[i]).balanceOf(address(this));
			IERC20(_rewardTokens[i]).safeTransfer(address(multiFeeDistribution), total);

			emitNewTransferAdded(_rewardTokens[i], total);
		}
	}

	function getRdntTokenAddress() external view override returns (address) {
		return address(rdntToken);
	}

	function getMultiFeeDistributionAddress() external view override returns (address) {
		return address(multiFeeDistribution);
	}

	/**
	 * @notice Returns lock information of a user.
	 * @dev It currently returns just MFD infos.
	 */
	function lockedBalances(
		address user
	)
		external
		view
		override
		returns (
			uint256 total,
			uint256 unlockable,
			uint256 locked,
			uint256 lockedWithMultiplier,
			LockedBalance[] memory lockData
		)
	{
		return multiFeeDistribution.lockedBalances(user);
	}

	function emitNewTransferAdded(address asset, uint256 lpReward) internal {
		if (asset != address(rdntToken)) {
			address underlying = IAToken(asset).UNDERLYING_ASSET_ADDRESS();
			uint256 assetPrice = IAaveOracle(_aaveOracle).getAssetPrice(underlying);
			address sourceOfAsset = IAaveOracle(_aaveOracle).getSourceOfAsset(underlying);
			uint8 priceDecimal = IChainlinkAggregator(sourceOfAsset).decimals();
			uint8 assetDecimals = IERC20Metadata(asset).decimals();
			uint256 lpUsdValue = assetPrice.mul(lpReward).mul(10 ** DECIMALS).div(10 ** priceDecimal).div(
				10 ** assetDecimals
			);
			emit NewTransferAdded(asset, lpUsdValue);
		}
	}

	/**
	 * @notice Added to support recovering LP Rewards from other systems such as BAL to be distributed to holders
	 */
	function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyOwner {
		IERC20(tokenAddress).safeTransfer(owner(), tokenAmount);
		emit Recovered(tokenAddress, tokenAmount);
	}
}

// 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 v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// 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;

import "./Initializable.sol";

contract ContextUpgradeable is Initializable {
	function __Context_init() internal onlyInitializing {}

	function __Context_init_unchained() internal onlyInitializing {}

	function _msgSender() internal view virtual returns (address payable) {
		return payable(msg.sender);
	}

	function _msgData() internal view virtual returns (bytes memory) {
		this;
		return msg.data;
	}

	uint256[50] private __gap;
}

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

/**
 * @title Initializable
 *
 * @dev Helper contract to support initializer functions. To use it, replace
 * the constructor with a function that has the `initializer` modifier.
 * WARNING: Unlike constructors, initializer functions must be manually
 * invoked. This applies both to deploying an Initializable contract, as well
 * as extending an Initializable contract via inheritance.
 * WARNING: When used with inheritance, manual care must be taken to not invoke
 * a parent initializer twice, or ensure that all initializers are idempotent,
 * because this is not dealt with automatically as with constructors.
 */
contract Initializable {
	/**
	 * @dev Indicates that the contract has been initialized.
	 */
	bool private initialized;

	/**
	 * @dev Indicates that the contract is in the process of being initialized.
	 */
	bool private initializing;

	/**
	 * @dev Modifier to use in the initializer function of a contract.
	 */
	modifier initializer() {
		require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");

		bool isTopLevelCall = !initializing;
		if (isTopLevelCall) {
			initializing = true;
			initialized = true;
		}

		_;

		if (isTopLevelCall) {
			initializing = false;
		}
	}

	/// @dev Returns true if and only if the function is running in the constructor
	function isConstructor() private view returns (bool) {
		// extcodesize checks the size of the code stored in an address, and
		// address returns the current address. Since the code is still not
		// deployed when running a constructor, any checks on its code size will
		// yield zero, making it an effective way to detect if a contract is
		// under construction or not.
		uint256 cs;
		//solium-disable-next-line
		assembly {
			cs := extcodesize(address())
		}
		return cs == 0;
	}

	modifier onlyInitializing() {
		require(initializing, "Initializable: contract is not initializing");
		_;
	}

	// Reserved storage space to allow for layout changes in the future.
	uint256[50] private ______gap;
}

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

import "./Initializable.sol";
import "./ContextUpgradeable.sol";

contract OwnableUpgradeable is Initializable, ContextUpgradeable {
	address private _owner;

	event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

	function __Ownable_init() internal onlyInitializing {
		__Ownable_init_unchained();
	}

	function __Ownable_init_unchained() internal onlyInitializing {
		_transferOwnership(_msgSender());
	}

	function owner() public view virtual returns (address) {
		return _owner;
	}

	modifier onlyOwner() {
		require(owner() == _msgSender(), "Ownable: caller is not the owner");
		_;
	}

	function renounceOwnership() public virtual onlyOwner {
		_transferOwnership(address(0));
	}

	function transferOwnership(address newOwner) public virtual onlyOwner {
		require(newOwner != address(0), "Ownable: new owner is the zero address");
		_transferOwnership(newOwner);
	}

	function _transferOwnership(address newOwner) internal virtual {
		address oldOwner = _owner;
		_owner = newOwner;
		emit OwnershipTransferred(oldOwner, newOwner);
	}

	uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.12;

interface AggregatorInterface {
	function latestAnswer() external view returns (int256);

	function latestTimestamp() external view returns (uint256);

	function latestRound() external view returns (uint256);

	function getAnswer(uint256 roundId) external view returns (int256);

	function getTimestamp(uint256 roundId) external view returns (uint256);

	event AnswerUpdated(int256 indexed current, uint256 indexed roundId, uint256 updatedAt);

	event NewRound(uint256 indexed roundId, address indexed startedBy, uint256 startedAt);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.12;

interface AggregatorV3Interface {
	function decimals() external view returns (uint8);

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

	function version() external view returns (uint256);

	// getRoundData and latestRoundData should both raise "No data present"
	// if they do not have data to report, instead of returning unset values
	// which could be misinterpreted as actual reported values.
	function getRoundData(
		uint80 _roundId
	)
		external
		view
		returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

	function latestRoundData()
		external
		view
		returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}

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

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";
import {IInitializableAToken} from "./IInitializableAToken.sol";
import {IAaveIncentivesController} from "./IAaveIncentivesController.sol";

interface IAToken is IERC20, IScaledBalanceToken, IInitializableAToken {
	/**
	 * @dev Emitted after the mint action
	 * @param from The address performing the mint
	 * @param value The amount being
	 * @param index The new liquidity index of the reserve
	 **/
	event Mint(address indexed from, uint256 value, uint256 index);

	/**
	 * @dev Mints `amount` aTokens to `user`
	 * @param user The address receiving the minted tokens
	 * @param amount The amount of tokens getting minted
	 * @param index The new liquidity index of the reserve
	 * @return `true` if the the previous balance of the user was 0
	 */
	function mint(address user, uint256 amount, uint256 index) external returns (bool);

	/**
	 * @dev Emitted after aTokens are burned
	 * @param from The owner of the aTokens, getting them burned
	 * @param target The address that will receive the underlying
	 * @param value The amount being burned
	 * @param index The new liquidity index of the reserve
	 **/
	event Burn(address indexed from, address indexed target, uint256 value, uint256 index);

	/**
	 * @dev Emitted during the transfer action
	 * @param from The user whose tokens are being transferred
	 * @param to The recipient
	 * @param value The amount being transferred
	 * @param index The new liquidity index of the reserve
	 **/
	event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index);

	/**
	 * @dev Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying`
	 * @param user The owner of the aTokens, getting them burned
	 * @param receiverOfUnderlying The address that will receive the underlying
	 * @param amount The amount being burned
	 * @param index The new liquidity index of the reserve
	 **/
	function burn(address user, address receiverOfUnderlying, uint256 amount, uint256 index) external;

	/**
	 * @dev Mints aTokens to the reserve treasury
	 * @param amount The amount of tokens getting minted
	 * @param index The new liquidity index of the reserve
	 */
	function mintToTreasury(uint256 amount, uint256 index) external;

	/**
	 * @dev Transfers aTokens in the event of a borrow being liquidated, in case the liquidators reclaims the aToken
	 * @param from The address getting liquidated, current owner of the aTokens
	 * @param to The recipient
	 * @param value The amount of tokens getting transferred
	 **/
	function transferOnLiquidation(address from, address to, uint256 value) external;

	/**
	 * @dev Transfers the underlying asset to `target`. Used by the LendingPool to transfer
	 * assets in borrow(), withdraw() and flashLoan()
	 * @param user The recipient of the underlying
	 * @param amount The amount getting transferred
	 * @return The amount transferred
	 **/
	function transferUnderlyingTo(address user, uint256 amount) external returns (uint256);

	/**
	 * @dev Invoked to execute actions on the aToken side after a repayment.
	 * @param user The user executing the repayment
	 * @param amount The amount getting repaid
	 **/
	function handleRepayment(address user, uint256 amount) external;

	/**
	 * @dev Returns the address of the incentives controller contract
	 **/
	function getIncentivesController() external view returns (IAaveIncentivesController);

	/**
	 * @dev Returns the address of the underlying asset of this aToken (E.g. WETH for aWETH)
	 **/
	function UNDERLYING_ASSET_ADDRESS() external view returns (address);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;
pragma experimental ABIEncoderV2;

interface IAaveIncentivesController {
	event RewardsAccrued(address indexed user, uint256 amount);

	event RewardsClaimed(address indexed user, address indexed to, uint256 amount);

	event RewardsClaimed(address indexed user, address indexed to, address indexed claimer, uint256 amount);

	event ClaimerSet(address indexed user, address indexed claimer);

	/*
	 * @dev Returns the configuration of the distribution for a certain asset
	 * @param asset The address of the reference asset of the distribution
	 * @return The asset index, the emission per second and the last updated timestamp
	 **/
	function getAssetData(address asset) external view returns (uint256, uint256, uint256);

	/**
	 * @dev Whitelists an address to claim the rewards on behalf of another address
	 * @param user The address of the user
	 * @param claimer The address of the claimer
	 */
	function setClaimer(address user, address claimer) external;

	/**
	 * @dev Returns the whitelisted claimer for a certain address (0x0 if not set)
	 * @param user The address of the user
	 * @return The claimer address
	 */
	function getClaimer(address user) external view returns (address);

	/**
	 * @dev Configure assets for a certain rewards emission
	 * @param assets The assets to incentivize
	 * @param emissionsPerSecond The emission for each asset
	 */
	function configureAssets(address[] calldata assets, uint256[] calldata emissionsPerSecond) external;

	/**
	 * @dev Called by the corresponding asset on any update that affects the rewards distribution
	 * @param user The address of the user
	 **/
	function handleActionBefore(address user) external;

	/**
	 * @dev Called by the corresponding asset on any update that affects the rewards distribution
	 * @param user The address of the user
	 * @param userBalance The balance of the user of the asset in the lending pool
	 * @param totalSupply The total supply of the asset in the lending pool
	 **/
	function handleActionAfter(address user, uint256 userBalance, uint256 totalSupply) external;

	/**
	 * @dev Returns the total of rewards of an user, already accrued + not yet accrued
	 * @param user The address of the user
	 * @return The rewards
	 **/
	function getRewardsBalance(address[] calldata assets, address user) external view returns (uint256);

	/**
	 * @dev Claims reward for an user, on all the assets of the lending pool, accumulating the pending rewards
	 * @param amount Amount of rewards to claim
	 * @param to Address that will be receiving the rewards
	 * @return Rewards claimed
	 **/
	function claimRewards(address[] calldata assets, uint256 amount, address to) external returns (uint256);

	/**
	 * @dev Claims reward for an user on behalf, on all the assets of the lending pool, accumulating the pending rewards. The caller must
	 * be whitelisted via "allowClaimOnBehalf" function by the RewardsAdmin role manager
	 * @param amount Amount of rewards to claim
	 * @param user Address to check and claim rewards
	 * @param to Address that will be receiving the rewards
	 * @return Rewards claimed
	 **/
	function claimRewardsOnBehalf(
		address[] calldata assets,
		uint256 amount,
		address user,
		address to
	) external returns (uint256);

	/**
	 * @dev returns the unclaimed rewards of the user
	 * @param user the address of the user
	 * @return the unclaimed user rewards
	 */
	function getUserUnclaimedRewards(address user) external view returns (uint256);

	/**
	 * @dev returns the unclaimed rewards of the user
	 * @param user the address of the user
	 * @param asset The asset to incentivize
	 * @return the user index for the asset
	 */
	function getUserAssetData(address user, address asset) external view returns (uint256);

	/**
	 * @dev for backward compatibility with previous implementation of the Incentives controller
	 */
	function REWARD_TOKEN() external view returns (address);

	/**
	 * @dev for backward compatibility with previous implementation of the Incentives controller
	 */
	function PRECISION() external view returns (uint8);

	/**
	 * @dev Gets the distribution end timestamp of the emissions
	 */
	function DISTRIBUTION_END() external view returns (uint256);
}

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

/**
 * @title IAaveOracle interface
 * @notice Interface for the Aave oracle.
 **/

interface IAaveOracle {
	function BASE_CURRENCY() external view returns (address); // if usd returns 0x0, if eth returns weth address

	function BASE_CURRENCY_UNIT() external view returns (uint256);

	/***********
    @dev returns the asset price in ETH
     */
	function getAssetPrice(address asset) external view returns (uint256);

	function getSourceOfAsset(address asset) external view returns (address);
}

// SPDX-License-Identifier: MIT
// Code from https://github.com/smartcontractkit/chainlink/blob/master/evm-contracts/src/v0.6/interfaces/AggregatorV3Interface.sol

pragma solidity 0.8.12;

import "./AggregatorInterface.sol";
import "./AggregatorV3Interface.sol";

interface IChainlinkAggregator is AggregatorInterface, AggregatorV3Interface {}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.12;
pragma abicoder v2;

import "./LockedBalance.sol";

interface IFeeDistribution {
	struct RewardData {
		address token;
		uint256 amount;
	}

	function addReward(address rewardsToken) external;

	function lockedBalances(
		address user
	) external view returns (uint256, uint256, uint256, uint256, LockedBalance[] memory);
}

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

import {ILendingPool} from "./ILendingPool.sol";
import {IAaveIncentivesController} from "./IAaveIncentivesController.sol";

/**
 * @title IInitializableAToken
 * @notice Interface for the initialize function on AToken
 * @author Aave
 **/
interface IInitializableAToken {
	/**
	 * @dev Emitted when an aToken is initialized
	 * @param underlyingAsset The address of the underlying asset
	 * @param pool The address of the associated lending pool
	 * @param treasury The address of the treasury
	 * @param incentivesController The address of the incentives controller for this aToken
	 * @param aTokenDecimals the decimals of the underlying
	 * @param aTokenName the name of the aToken
	 * @param aTokenSymbol the symbol of the aToken
	 * @param params A set of encoded parameters for additional initialization
	 **/
	event Initialized(
		address indexed underlyingAsset,
		address indexed pool,
		address treasury,
		address incentivesController,
		uint8 aTokenDecimals,
		string aTokenName,
		string aTokenSymbol,
		bytes params
	);

	/**
	 * @dev Initializes the aToken
	 * @param pool The address of the lending pool where this aToken will be used
	 * @param treasury The address of the Aave treasury, receiving the fees on this aToken
	 * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH)
	 * @param incentivesController The smart contract managing potential incentives distribution
	 * @param aTokenDecimals The decimals of the aToken, same as the underlying asset's
	 * @param aTokenName The name of the aToken
	 * @param aTokenSymbol The symbol of the aToken
	 */
	function initialize(
		ILendingPool pool,
		address treasury,
		address underlyingAsset,
		IAaveIncentivesController incentivesController,
		uint8 aTokenDecimals,
		string calldata aTokenName,
		string calldata aTokenSymbol,
		bytes calldata params
	) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.12;
pragma experimental ABIEncoderV2;

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

interface ILendingPool {
	/**
	 * @dev Emitted on deposit()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The address initiating the deposit
	 * @param onBehalfOf The beneficiary of the deposit, receiving the aTokens
	 * @param amount The amount deposited
	 * @param referral The referral code used
	 **/
	event Deposit(
		address indexed reserve,
		address user,
		address indexed onBehalfOf,
		uint256 amount,
		uint16 indexed referral
	);

	/**
	 * @dev Emitted on withdraw()
	 * @param reserve The address of the underlyng asset being withdrawn
	 * @param user The address initiating the withdrawal, owner of aTokens
	 * @param to Address that will receive the underlying
	 * @param amount The amount to be withdrawn
	 **/
	event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount);

	/**
	 * @dev Emitted on borrow() and flashLoan() when debt needs to be opened
	 * @param reserve The address of the underlying asset being borrowed
	 * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
	 * initiator of the transaction on flashLoan()
	 * @param onBehalfOf The address that will be getting the debt
	 * @param amount The amount borrowed out
	 * @param borrowRateMode The rate mode: 1 for Stable, 2 for Variable
	 * @param borrowRate The numeric rate at which the user has borrowed
	 * @param referral The referral code used
	 **/
	event Borrow(
		address indexed reserve,
		address user,
		address indexed onBehalfOf,
		uint256 amount,
		uint256 borrowRateMode,
		uint256 borrowRate,
		uint16 indexed referral
	);

	/**
	 * @dev Emitted on repay()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The beneficiary of the repayment, getting his debt reduced
	 * @param repayer The address of the user initiating the repay(), providing the funds
	 * @param amount The amount repaid
	 **/
	event Repay(address indexed reserve, address indexed user, address indexed repayer, uint256 amount);

	/**
	 * @dev Emitted on swapBorrowRateMode()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The address of the user swapping his rate mode
	 * @param rateMode The rate mode that the user wants to swap to
	 **/
	event Swap(address indexed reserve, address indexed user, uint256 rateMode);

	/**
	 * @dev Emitted on setUserUseReserveAsCollateral()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The address of the user enabling the usage as collateral
	 **/
	event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);

	/**
	 * @dev Emitted on setUserUseReserveAsCollateral()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The address of the user enabling the usage as collateral
	 **/
	event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);

	/**
	 * @dev Emitted on rebalanceStableBorrowRate()
	 * @param reserve The address of the underlying asset of the reserve
	 * @param user The address of the user for which the rebalance has been executed
	 **/
	event RebalanceStableBorrowRate(address indexed reserve, address indexed user);

	/**
	 * @dev Emitted on flashLoan()
	 * @param target The address of the flash loan receiver contract
	 * @param initiator The address initiating the flash loan
	 * @param asset The address of the asset being flash borrowed
	 * @param amount The amount flash borrowed
	 * @param premium The fee flash borrowed
	 * @param referralCode The referral code used
	 **/
	event FlashLoan(
		address indexed target,
		address indexed initiator,
		address indexed asset,
		uint256 amount,
		uint256 premium,
		uint16 referralCode
	);

	/**
	 * @dev Emitted when the pause is triggered.
	 */
	event Paused();

	/**
	 * @dev Emitted when the pause is lifted.
	 */
	event Unpaused();

	/**
	 * @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via
	 * LendingPoolCollateral manager using a DELEGATECALL
	 * This allows to have the events in the generated ABI for LendingPool.
	 * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
	 * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
	 * @param user The address of the borrower getting liquidated
	 * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
	 * @param liquidatedCollateralAmount The amount of collateral received by the liiquidator
	 * @param liquidator The address of the liquidator
	 * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
	 * to receive the underlying collateral asset directly
	 **/
	event LiquidationCall(
		address indexed collateralAsset,
		address indexed debtAsset,
		address indexed user,
		uint256 debtToCover,
		uint256 liquidatedCollateralAmount,
		address liquidator,
		bool receiveAToken
	);

	/**
	 * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared
	 * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal,
	 * the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it
	 * gets added to the LendingPool ABI
	 * @param reserve The address of the underlying asset of the reserve
	 * @param liquidityRate The new liquidity rate
	 * @param stableBorrowRate The new stable borrow rate
	 * @param variableBorrowRate The new variable borrow rate
	 * @param liquidityIndex The new liquidity index
	 * @param variableBorrowIndex The new variable borrow index
	 **/
	event ReserveDataUpdated(
		address indexed reserve,
		uint256 liquidityRate,
		uint256 stableBorrowRate,
		uint256 variableBorrowRate,
		uint256 liquidityIndex,
		uint256 variableBorrowIndex
	);

	/**
	 * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
	 * - E.g. User deposits 100 USDC and gets in return 100 aUSDC
	 * @param asset The address of the underlying asset to deposit
	 * @param amount The amount to be deposited
	 * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
	 *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
	 *   is a different wallet
	 * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
	 *   0 if the action is executed directly by the user, without any middle-man
	 **/
	function deposit(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

	function depositWithAutoDLP(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

	/**
	 * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
	 * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
	 * @param asset The address of the underlying asset to withdraw
	 * @param amount The underlying amount to be withdrawn
	 *   - Send the value type(uint256).max in order to withdraw the whole aToken balance
	 * @param to Address that will receive the underlying, same as msg.sender if the user
	 *   wants to receive it on his own wallet, or a different address if the beneficiary is a
	 *   different wallet
	 * @return The final amount withdrawn
	 **/
	function withdraw(address asset, uint256 amount, address to) external returns (uint256);

	/**
	 * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
	 * already deposited enough collateral, or he was given enough allowance by a credit delegator on the
	 * corresponding debt token (StableDebtToken or VariableDebtToken)
	 * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
	 *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
	 * @param asset The address of the underlying asset to borrow
	 * @param amount The amount to be borrowed
	 * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
	 * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
	 *   0 if the action is executed directly by the user, without any middle-man
	 * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself
	 * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
	 * if he has been given credit delegation allowance
	 **/
	function borrow(
		address asset,
		uint256 amount,
		uint256 interestRateMode,
		uint16 referralCode,
		address onBehalfOf
	) external;

	/**
	 * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
	 * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
	 * @param asset The address of the borrowed underlying asset previously borrowed
	 * @param amount The amount to repay
	 * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
	 * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
	 * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
	 * user calling the function if he wants to reduce/remove his own debt, or the address of any other
	 * other borrower whose debt should be removed
	 * @return The final amount repaid
	 **/
	function repay(address asset, uint256 amount, uint256 rateMode, address onBehalfOf) external returns (uint256);

	/**
	 * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa
	 * @param asset The address of the underlying asset borrowed
	 * @param rateMode The rate mode that the user wants to swap to
	 **/
	function swapBorrowRateMode(address asset, uint256 rateMode) external;

	/**
	 * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
	 * - Users can be rebalanced if the following conditions are satisfied:
	 *     1. Usage ratio is above 95%
	 *     2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been
	 *        borrowed at a stable rate and depositors are not earning enough
	 * @param asset The address of the underlying asset borrowed
	 * @param user The address of the user to be rebalanced
	 **/
	function rebalanceStableBorrowRate(address asset, address user) external;

	/**
	 * @dev Allows depositors to enable/disable a specific deposited asset as collateral
	 * @param asset The address of the underlying asset deposited
	 * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise
	 **/
	function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

	/**
	 * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
	 * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
	 *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
	 * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
	 * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
	 * @param user The address of the borrower getting liquidated
	 * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
	 * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants
	 * to receive the underlying collateral asset directly
	 **/
	function liquidationCall(
		address collateralAsset,
		address debtAsset,
		address user,
		uint256 debtToCover,
		bool receiveAToken
	) external;

	/**
	 * @dev Allows smartcontracts to access the liquidity of the pool within one transaction,
	 * as long as the amount taken plus a fee is returned.
	 * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration.
	 * For further details please visit https://developers.aave.com
	 * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface
	 * @param assets The addresses of the assets being flash-borrowed
	 * @param amounts The amounts amounts being flash-borrowed
	 * @param modes Types of the debt to open if the flash loan is not returned:
	 *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
	 *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
	 *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
	 * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
	 * @param params Variadic packed params to pass to the receiver as extra information
	 * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
	 *   0 if the action is executed directly by the user, without any middle-man
	 **/
	function flashLoan(
		address receiverAddress,
		address[] calldata assets,
		uint256[] calldata amounts,
		uint256[] calldata modes,
		address onBehalfOf,
		bytes calldata params,
		uint16 referralCode
	) external;

	/**
	 * @dev Returns the user account data across all the reserves
	 * @param user The address of the user
	 * @return totalCollateralETH the total collateral in ETH of the user
	 * @return totalDebtETH the total debt in ETH of the user
	 * @return availableBorrowsETH the borrowing power left of the user
	 * @return currentLiquidationThreshold the liquidation threshold of the user
	 * @return ltv the loan to value of the user
	 * @return healthFactor the current health factor of the user
	 **/
	function getUserAccountData(
		address user
	)
		external
		view
		returns (
			uint256 totalCollateralETH,
			uint256 totalDebtETH,
			uint256 availableBorrowsETH,
			uint256 currentLiquidationThreshold,
			uint256 ltv,
			uint256 healthFactor
		);

	function initReserve(
		address reserve,
		address aTokenAddress,
		address stableDebtAddress,
		address variableDebtAddress,
		address interestRateStrategyAddress
	) external;

	function setReserveInterestRateStrategyAddress(address reserve, address rateStrategyAddress) external;

	function setConfiguration(address reserve, uint256 configuration) external;

	/**
	 * @dev Returns the configuration of the reserve
	 * @param asset The address of the underlying asset of the reserve
	 * @return The configuration of the reserve
	 **/
	function getConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory);

	/**
	 * @dev Returns the configuration of the user across all the reserves
	 * @param user The user address
	 * @return The configuration of the user
	 **/
	function getUserConfiguration(address user) external view returns (DataTypes.UserConfigurationMap memory);

	/**
	 * @dev Returns the normalized income normalized income of the reserve
	 * @param asset The address of the underlying asset of the reserve
	 * @return The reserve's normalized income
	 */
	function getReserveNormalizedIncome(address asset) external view returns (uint256);

	/**
	 * @dev Returns the normalized variable debt per unit of asset
	 * @param asset The address of the underlying asset of the reserve
	 * @return The reserve normalized variable debt
	 */
	function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

	/**
	 * @dev Returns the state and configuration of the reserve
	 * @param asset The address of the underlying asset of the reserve
	 * @return The state of the reserve
	 **/
	function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);

	function finalizeTransfer(
		address asset,
		address from,
		address to,
		uint256 amount,
		uint256 balanceFromAfter,
		uint256 balanceToBefore
	) external;

	function getReservesList() external view returns (address[] memory);

	function getAddressesProvider() external view returns (ILendingPoolAddressesProvider);

	function setPause(bool val) external;

	function paused() external view returns (bool);
}

// 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: MIT

pragma solidity 0.8.12;
pragma abicoder v2;

import "./LockedBalance.sol";
import {IFeeDistribution} from "./IMultiFeeDistribution.sol";

interface IMiddleFeeDistribution is IFeeDistribution {
	function forwardReward(address[] memory _rewardTokens) external;

	function getRdntTokenAddress() external view returns (address);

	function getMultiFeeDistributionAddress() external view returns (address);

	function operationExpenseRatio() external view returns (uint256);

	function operationExpenses() external view returns (address);

	function isRewardToken(address) external view returns (bool);
}

// SPDX-License-Identifier: agpl-3.0

pragma solidity 0.8.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IMintableToken is IERC20 {
	function mint(address _receiver, uint256 _amount) external returns (bool);

	function burn(uint256 _amount) external returns (bool);

	function setMinter(address _minter) external returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.12;
pragma abicoder v2;

import "./LockedBalance.sol";
import "./IFeeDistribution.sol";
import "./IMintableToken.sol";

interface IMultiFeeDistribution is IFeeDistribution {
	function exit(bool claimRewards) external;

	function stake(uint256 amount, address onBehalfOf, uint256 typeIndex) external;

	function rdntToken() external view returns (IMintableToken);

	function getPriceProvider() external view returns (address);

	function lockInfo(address user) external view returns (LockedBalance[] memory);

	function autocompoundEnabled(address user) external view returns (bool);

	function defaultLockIndex(address _user) external view returns (uint256);

	function autoRelockDisabled(address user) external view returns (bool);

	function totalBalance(address user) external view returns (uint256);

	function zapVestingToLp(address _address) external returns (uint256);

	function withdrawExpiredLocksFor(address _address) external returns (uint256);

	function claimableRewards(address account) external view returns (IFeeDistribution.RewardData[] memory rewards);

	function setDefaultRelockTypeIndex(uint256 _index) external;

	function daoTreasury() external view returns (address);

	function stakingToken() external view returns (address);

	function claimFromConverter(address) external;

	function mint(address user, uint256 amount, bool withPenalty) external;
}

interface IMFDPlus is IMultiFeeDistribution {
	function getLastClaimTime(address _user) external returns (uint256);

	function claimBounty(address _user, bool _execute) external returns (bool issueBaseBounty);

	function claimCompound(address _user, bool _execute) external returns (uint256 bountyAmt);

	function setAutocompound(bool _newVal) external;

	function getAutocompoundEnabled(address _user) external view returns (bool);
}

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

interface IScaledBalanceToken {
	/**
	 * @dev Returns the scaled balance of the user. The scaled balance is the sum of all the
	 * updated stored balance divided by the reserve's liquidity index at the moment of the update
	 * @param user The user whose balance is calculated
	 * @return The scaled balance of the user
	 **/
	function scaledBalanceOf(address user) external view returns (uint256);

	/**
	 * @dev Returns the scaled balance of the user and the scaled total supply.
	 * @param user The address of the user
	 * @return The scaled balance of the user
	 * @return The scaled balance and the scaled total supply
	 **/
	function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256);

	/**
	 * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index)
	 * @return The scaled total supply
	 **/
	function scaledTotalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.12;
pragma abicoder v2;

struct LockedBalance {
	uint256 amount;
	uint256 unlockTime;
	uint256 multiplier;
	uint256 duration;
}

struct EarnedBalance {
	uint256 amount;
	uint256 unlockTime;
	uint256 penalty;
}

struct Reward {
	uint256 periodFinish;
	uint256 rewardPerSecond;
	uint256 lastUpdateTime;
	uint256 rewardPerTokenStored;
	// tracks already-added balances to handle accrued interest in aToken rewards
	// for the stakingToken this value is unused and will always be 0
	uint256 balance;
}

struct Balances {
	uint256 total; // sum of earnings and lockings; no use when LP and RDNT is different
	uint256 unlocked; // RDNT token
	uint256 locked; // LP token or RDNT token
	uint256 lockedWithMultiplier; // Multiplied locked amount
	uint256 earned; // RDNT token
}

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

library DataTypes {
	// refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties.
	struct ReserveData {
		//stores the reserve configuration
		ReserveConfigurationMap configuration;
		//the liquidity index. Expressed in ray
		uint128 liquidityIndex;
		//variable borrow index. Expressed in ray
		uint128 variableBorrowIndex;
		//the current supply rate. Expressed in ray
		uint128 currentLiquidityRate;
		//the current variable borrow rate. Expressed in ray
		uint128 currentVariableBorrowRate;
		//the current stable borrow rate. Expressed in ray
		uint128 currentStableBorrowRate;
		uint40 lastUpdateTimestamp;
		//tokens addresses
		address aTokenAddress;
		address stableDebtTokenAddress;
		address variableDebtTokenAddress;
		//address of the interest rate strategy
		address interestRateStrategyAddress;
		//the id of the reserve. Represents the position in the list of the active reserves
		uint8 id;
	}

	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 60-63: reserved
		//bit 64-79: reserve factor
		uint256 data;
	}

	struct UserConfigurationMap {
		uint256 data;
	}

	enum InterestRateMode {
		NONE,
		STABLE,
		VARIABLE
	}
}

{
  "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

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IMintableToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_configurator","type":"address"}],"name":"setAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operationExpenses","type":"address"},{"internalType":"uint256","name":"_operationExpenseRatio","type":"uint256"}],"name":"setOperationExpenses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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