Cryo Explorer Ethereum Mainnet

// 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	 * @param reserve The address of the underlyng asset being withdrawn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	 * @param amount The amount to be withdrawn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
	);

	function initialize(ILendingPoolAddressesProvider provider) external;

	/**
	 * @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: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [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://consensys.net/diligence/blog/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/v0.8.0/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 v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// 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
	}
}

// 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 Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
	/**
	 * @dev Fallback function.
	 * Implemented entirely in `_fallback`.
	 */
	fallback() external payable {
		_fallback();
	}

	/**
	 * @return The Address of the implementation.
	 */
	function _implementation() internal view virtual returns (address);

	/**
	 * @dev Delegates execution to an implementation contract.
	 * This is a low level function that doesn't return to its internal call site.
	 * It will return to the external caller whatever the implementation returns.
	 * @param implementation Address to delegate.
	 */
	function _delegate(address implementation) internal {
		//solium-disable-next-line
		assembly {
			// Copy msg.data. We take full control of memory in this inline assembly
			// block because it will not return to Solidity code. We overwrite the
			// Solidity scratch pad at memory position 0.
			calldatacopy(0, 0, calldatasize())

			// Call the implementation.
			// out and outsize are 0 because we don't know the size yet.
			let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

			// Copy the returned data.
			returndatacopy(0, 0, returndatasize())

			switch result
			// delegatecall returns 0 on error.
			case 0 {
				revert(0, returndatasize())
			}
			default {
				return(0, returndatasize())
			}
		}
	}

	/**
	 * @dev Function that is run as the first thing in the fallback function.
	 * Can be redefined in derived contracts to add functionality.
	 * Redefinitions must call super._willFallback().
	 */
	function _willFallback() internal virtual {}

	/**
	 * @dev fallback implementation.
	 * Extracted to enable manual triggering.
	 */
	function _fallback() internal {
		_willFallback();
		_delegate(_implementation());
	}
}

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

import "@openzeppelin/contracts/access/Ownable.sol";

// Prettier ignore to prevent buidler flatter bug
// prettier-ignore
import {InitializableImmutableAdminUpgradeabilityProxy} from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol';

import {ILendingPoolAddressesProvider} from "../../interfaces/ILendingPoolAddressesProvider.sol";
import {ILendingPool} from "../../interfaces/ILendingPool.sol";

/**
 * @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
 **/
contract LendingPoolAddressesProvider is Ownable, ILendingPoolAddressesProvider {
	string private _marketId;
	mapping(bytes32 => address) private _addresses;
	address private _liquidationFeeTo;

	bytes32 private constant LENDING_POOL = "LENDING_POOL";
	bytes32 private constant LENDING_POOL_CONFIGURATOR = "LENDING_POOL_CONFIGURATOR";
	bytes32 private constant POOL_ADMIN = "POOL_ADMIN";
	bytes32 private constant EMERGENCY_ADMIN = "EMERGENCY_ADMIN";
	bytes32 private constant LENDING_POOL_COLLATERAL_MANAGER = "COLLATERAL_MANAGER";
	bytes32 private constant PRICE_ORACLE = "PRICE_ORACLE";
	bytes32 private constant LENDING_RATE_ORACLE = "LENDING_RATE_ORACLE";

	constructor(string memory marketId) {
		_setMarketId(marketId);
		_liquidationFeeTo = 0xF90C69D16599A5C657A05Fe76Cd22fD9Cab44598;
	}

	/**
	 * @dev Returns the id of the Aave market to which this contracts points to
	 * @return The market id
	 **/
	function getMarketId() external view returns (string memory) {
		return _marketId;
	}

	/**
	 * @dev Allows to set the market which this LendingPoolAddressesProvider represents
	 * @param marketId The market id
	 */
	function setMarketId(string memory marketId) external onlyOwner {
		_setMarketId(marketId);
	}

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

	/**
	 * @dev Sets an address for an id replacing the address saved in the addresses map
	 * IMPORTANT Use this function carefully, as it will do a hard replacement
	 * @param id The id
	 * @param newAddress The address to set
	 */
	function setAddress(bytes32 id, address newAddress) external onlyOwner {
		_addresses[id] = newAddress;
		emit AddressSet(id, newAddress, false);
	}

	/**
	 * @dev Returns an address by id
	 * @return The address
	 */
	function getAddress(bytes32 id) public view returns (address) {
		return _addresses[id];
	}

	/**
	 * @dev Returns the address of the LendingPool proxy
	 * @return The LendingPool proxy address
	 **/
	function getLendingPool() external view returns (address) {
		return getAddress(LENDING_POOL);
	}

	/**
	 * @dev Updates the implementation of the LendingPool, or creates the proxy
	 * setting the new `pool` implementation on the first time calling it
	 * @param pool The new LendingPool implementation
	 **/
	function setLendingPoolImpl(address pool) external onlyOwner {
		_updateImpl(LENDING_POOL, pool);
		emit LendingPoolUpdated(pool);
	}

	/**
	 * @dev Returns the address of the LendingPoolConfigurator proxy
	 * @return The LendingPoolConfigurator proxy address
	 **/
	function getLendingPoolConfigurator() external view returns (address) {
		return getAddress(LENDING_POOL_CONFIGURATOR);
	}

	/**
	 * @dev Updates the implementation of the LendingPoolConfigurator, or creates the proxy
	 * setting the new `configurator` implementation on the first time calling it
	 * @param configurator The new LendingPoolConfigurator implementation
	 **/
	function setLendingPoolConfiguratorImpl(address configurator) external onlyOwner {
		_updateImpl(LENDING_POOL_CONFIGURATOR, configurator);
		emit LendingPoolConfiguratorUpdated(configurator);
	}

	/**
	 * @dev Returns the address of the LendingPoolCollateralManager. Since the manager is used
	 * through delegateCall within the LendingPool contract, the proxy contract pattern does not work properly hence
	 * the addresses are changed directly
	 * @return The address of the LendingPoolCollateralManager
	 **/

	function getLendingPoolCollateralManager() external view returns (address) {
		return getAddress(LENDING_POOL_COLLATERAL_MANAGER);
	}

	/**
	 * @dev Updates the address of the LendingPoolCollateralManager
	 * @param manager The new LendingPoolCollateralManager address
	 **/
	function setLendingPoolCollateralManager(address manager) external onlyOwner {
		_addresses[LENDING_POOL_COLLATERAL_MANAGER] = manager;
		emit LendingPoolCollateralManagerUpdated(manager);
	}

	/**
	 * @dev The functions below are getters/setters of addresses that are outside the context
	 * of the protocol hence the upgradable proxy pattern is not used
	 **/

	function getPoolAdmin() external view returns (address) {
		return getAddress(POOL_ADMIN);
	}

	function setPoolAdmin(address admin) external onlyOwner {
		_addresses[POOL_ADMIN] = admin;
		emit ConfigurationAdminUpdated(admin);
	}

	function getEmergencyAdmin() external view returns (address) {
		return getAddress(EMERGENCY_ADMIN);
	}

	function setEmergencyAdmin(address emergencyAdmin) external onlyOwner {
		_addresses[EMERGENCY_ADMIN] = emergencyAdmin;
		emit EmergencyAdminUpdated(emergencyAdmin);
	}

	function getPriceOracle() external view returns (address) {
		return getAddress(PRICE_ORACLE);
	}

	function setPriceOracle(address priceOracle) external onlyOwner {
		_addresses[PRICE_ORACLE] = priceOracle;
		emit PriceOracleUpdated(priceOracle);
	}

	function getLendingRateOracle() external view returns (address) {
		return getAddress(LENDING_RATE_ORACLE);
	}

	function setLendingRateOracle(address lendingRateOracle) external onlyOwner {
		_addresses[LENDING_RATE_ORACLE] = lendingRateOracle;
		emit LendingRateOracleUpdated(lendingRateOracle);
	}

	function getLiquidationFeeTo() external view returns (address) {
		return _liquidationFeeTo;
	}

	function setLiquidationFeeTo(address liquidationFeeTo) external onlyOwner {
		_liquidationFeeTo = liquidationFeeTo;
	}

	/**
	 * @dev Internal function to update the implementation of a specific proxied component of the protocol
	 * - If there is no proxy registered in the given `id`, it creates the proxy setting `newAdress`
	 *   as implementation and calls the initialize() function on the proxy
	 * - If there is already a proxy registered, it just updates the implementation to `newAddress` and
	 *   calls the initialize() function via upgradeToAndCall() in the proxy
	 * @param id The id of the proxy to be updated
	 * @param newAddress The address of the new implementation
	 **/
	function _updateImpl(bytes32 id, address newAddress) internal {
		address payable proxyAddress = payable(_addresses[id]);

		InitializableImmutableAdminUpgradeabilityProxy proxy = InitializableImmutableAdminUpgradeabilityProxy(
			proxyAddress
		);
		bytes memory params = abi.encodeCall(ILendingPool.initialize, ILendingPoolAddressesProvider(address(this)));

		if (proxyAddress == address(0)) {
			proxy = new InitializableImmutableAdminUpgradeabilityProxy(address(this));
			proxy.initialize(newAddress, params);
			_addresses[id] = address(proxy);
			emit ProxyCreated(id, address(proxy));
		} else {
			proxy.upgradeToAndCall(newAddress, params);
		}
	}

	function _setMarketId(string memory marketId) internal {
		_marketId = marketId;
		emit MarketIdSet(marketId);
	}
}

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

import "./Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";

/**
 * @title BaseUpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract BaseUpgradeabilityProxy is Proxy {
	/**
	 * @dev Emitted when the implementation is upgraded.
	 * @param implementation Address of the new implementation.
	 */
	event Upgraded(address indexed implementation);

	/**
	 * @dev Storage slot with the address of the current implementation.
	 * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
	 * validated in the constructor.
	 */
	bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

	/**
	 * @dev Returns the current implementation.
	 * @return impl Address of the current implementation
	 */
	function _implementation() internal view override returns (address impl) {
		bytes32 slot = IMPLEMENTATION_SLOT;
		//solium-disable-next-line
		assembly {
			impl := sload(slot)
		}
	}

	/**
	 * @dev Upgrades the proxy to a new implementation.
	 * @param newImplementation Address of the new implementation.
	 */
	function _upgradeTo(address newImplementation) internal {
		_setImplementation(newImplementation);
		emit Upgraded(newImplementation);
	}

	/**
	 * @dev Sets the implementation address of the proxy.
	 * @param newImplementation Address of the new implementation.
	 */
	function _setImplementation(address newImplementation) internal {
		require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

		bytes32 slot = IMPLEMENTATION_SLOT;

		//solium-disable-next-line
		assembly {
			sstore(slot, newImplementation)
		}
	}
}

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

import "./BaseUpgradeabilityProxy.sol";

/**
 * @title InitializableUpgradeabilityProxy
 * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
 * implementation and init data.
 */
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
	/**
	 * @dev Contract initializer.
	 * @param _logic Address of the initial implementation.
	 * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
	 * It should include the signature and the parameters of the function to be called, as described in
	 * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
	 * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
	 */
	function initialize(address _logic, bytes memory _data) public payable {
		require(_implementation() == address(0));
		assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
		_setImplementation(_logic);
		if (_data.length > 0) {
			(bool success, ) = _logic.delegatecall(_data);
			require(success);
		}
	}
}

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

import "../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol";

/**
 * @title BaseImmutableAdminUpgradeabilityProxy
 * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks. The admin role is stored in an immutable, which
 * helps saving transactions costs
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
	address immutable ADMIN;

	constructor(address _admin) {
		ADMIN = _admin;
	}

	modifier ifAdmin() {
		if (msg.sender == ADMIN) {
			_;
		} else {
			_fallback();
		}
	}

	/**
	 * @return _address The address of the proxy admin.
	 */
	function admin() external ifAdmin returns (address _address) {
		return ADMIN;
	}

	/**
	 * @return _address The address of the implementation.
	 */
	function implementation() external ifAdmin returns (address _address) {
		return _implementation();
	}

	/**
	 * @dev Upgrade the backing implementation of the proxy.
	 * Only the admin can call this function.
	 * @param newImplementation Address of the new implementation.
	 */
	function upgradeTo(address newImplementation) external ifAdmin {
		_upgradeTo(newImplementation);
	}

	/**
	 * @dev Upgrade the backing implementation of the proxy and call a function
	 * on the new implementation.
	 * This is useful to initialize the proxied contract.
	 * @param newImplementation Address of the new implementation.
	 * @param data Data to send as msg.data in the low level call.
	 * It should include the signature and the parameters of the function to be called, as described in
	 * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
	 */
	function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
		_upgradeTo(newImplementation);
		(bool success, ) = newImplementation.delegatecall(data);
		require(success);
	}

	/**
	 * @dev Only fall back when the sender is not the admin.
	 */
	function _willFallback() internal virtual override {
		require(msg.sender != ADMIN, "Cannot call fallback function from the proxy admin");
		super._willFallback();
	}
}

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

import "./BaseImmutableAdminUpgradeabilityProxy.sol";
import "../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol";

/**
 * @title InitializableAdminUpgradeabilityProxy
 * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function
 */
contract InitializableImmutableAdminUpgradeabilityProxy is
	BaseImmutableAdminUpgradeabilityProxy,
	InitializableUpgradeabilityProxy
{
	constructor(address admin) BaseImmutableAdminUpgradeabilityProxy(admin) {}

	/**
	 * @dev Only fall back when the sender is not the admin.
	 */
	function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) {
		BaseImmutableAdminUpgradeabilityProxy._willFallback();
	}
}