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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.20;

import {Ownable} from "openzeppelin/access/Ownable.sol";
import {ElixirDeUSDCommits} from "src/ElixirDeUSDCommits.sol";
import {IERC20} from "openzeppelin/token/ERC20/IERC20.sol";
import {SafeERC20} from "openzeppelin/token/ERC20/utils/SafeERC20.sol";
import {ElixirDeposit} from "src/ElixirDeposit.sol";

/// @title Elixir withdraw contract
/// @author The Elixir Team
/// @notice This contract is used to withdraw funds
contract ElixirCommitsAndWithdraw is Ownable {
    using SafeERC20 for IERC20;

    /*//////////////////////////////////////////////////////////////
                                VARIABLES
    //////////////////////////////////////////////////////////////*/

    /// @notice The address of the ElixirDeposit contract
    ElixirDeposit public elixirDepositContract;

    /// @notice The address of the DepositContract.
    ElixirDeUSDCommits public deusdCommitsContract;

    /// @notice The address of the stETH token
    IERC20 public token;

    /// @notice Mapping of address to committed ETH to deUSD
    mapping(address user => uint256 withdrawn) public committedEth;

    /// @notice Mapping of address to withdrawn ETH
    mapping(address user => uint256 withdrawn) public withdrawn;

    /// @notice The pause status of commit
    bool public commitsPaused;

    /// @notice The pause status of withdrawals. True if withdrawals are paused.
    bool public withdrawalsPaused;

    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when user commits an amount
    /// @param caller The caller of the commit function.
    /// @param amount The token amount committed and transferred.
    event Commit(address indexed caller, uint256 indexed amount);

    /// @notice Emitted when a user withdraws funds.
    /// @param withdrawer The withdrawer.
    /// @param amount The amount withdrawn.
    event Withdraw(address indexed withdrawer, uint256 indexed amount);

    /*//////////////////////////////////////////////////////////////
                                 ERRORS
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when withdraws are paused.
    error WithdrawsPaused();

    /// @notice Emitted when a withdraw fails.
    error WithdrawFailed();

    /// @notice Emitted when the user doesn't have enough funds to withdraw.
    error InsufficientFunds();

    /// @notice Emitted when commits are paused.
    error CommitsPaused();

    /// @notice Emitted when commit exceeds current deposit balance.
    error CommitExceedsBalance();

    /*//////////////////////////////////////////////////////////////
                                MODIFIERS
    //////////////////////////////////////////////////////////////*/

    /// @notice Reverts when commits are paused.
    modifier whenCommitNotPaused() {
        if (commitsPaused) revert CommitsPaused();
        _;
    }

    /// @notice Reverts when withdraws are paused.
    modifier whenWithdrawNotPaused() {
        if (withdrawalsPaused) revert WithdrawsPaused();
        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    /// @notice Set the settings and parameters
    /// @param _commitsContract The address of the commits contract
    /// @param _owner The address of the owner of the contract
    constructor(address _owner, address _depositContract, address _commitsContract, address _token) Ownable(_owner) {
        elixirDepositContract = ElixirDeposit(_depositContract);
        deusdCommitsContract = ElixirDeUSDCommits(_commitsContract);
        token = IERC20(_token);
    }

    /*//////////////////////////////////////////////////////////////
                              VIEW FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Get user's unused balance from DeusdCommitsContract contract
    /// @param user The address of user with unused balance
    function committed(address user) public view returns (uint256 amount) {
        return deusdCommitsContract.committed(user) + committedEth[user];
    }

    /// @notice Get user's unused balance from DeusdCommitsContract contract
    /// @param user The address of user with unused balance
    function unusedBalance(address user) public view returns (uint256 amount) {
        return elixirDepositContract.deposits(user) - committed(user) - withdrawn[user];
    }

    /*//////////////////////////////////////////////////////////////
                            EXTERNAL FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Commit elxETH to deUSD
    /// @param commitAmount amount of elxETH to commit to deUSD (18 decimals)
    function commitDeUSD(uint256 commitAmount) external whenCommitNotPaused {
        if (commitAmount > unusedBalance(msg.sender)) revert CommitExceedsBalance();
        committedEth[msg.sender] += commitAmount;
        token.safeTransferFrom(
            elixirDepositContract.controller(), deusdCommitsContract.commitsController(), commitAmount
        );
        emit Commit(msg.sender, commitAmount);
    }

    /// @notice Withdraw ETH that was deposited in the ElixirDeposit contract
    /// @param amount The amount of ETH to withdraw
    function withdrawEth(uint256 amount) external whenWithdrawNotPaused {
        if (amount > unusedBalance(msg.sender)) revert InsufficientFunds();

        withdrawn[msg.sender] += amount;

        (bool sent,) = msg.sender.call{value: amount}("");
        if (!sent) revert WithdrawFailed();

        emit Withdraw(msg.sender, amount);
    }

    /// @notice Withdraw unclaimed ETH
    /// @param amount The amount of ETH to withdraw
    function withdrawOwnerEth(uint256 amount) external onlyOwner {
        (bool sent,) = msg.sender.call{value: amount}("");
        if (!sent) revert WithdrawFailed();
    }

    /// @notice Pause withdraws, callable by the owner
    /// @param pauseWithdraw True if withdraws are to be paused, false if they are to be unpaused
    function pauseWithdraws(bool pauseWithdraw) external onlyOwner {
        withdrawalsPaused = pauseWithdraw;
    }

    /// @notice Pause commit, callable by the owner
    /// @param pauseCommit True if mints are to be paused, false if they are to be unpaused
    function pauseCommits(bool pauseCommit) external onlyOwner {
        commitsPaused = pauseCommit;
    }

    /// @notice Receive ether.
    receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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: BUSL-1.1
pragma solidity 0.8.20;

import {Ownable} from "openzeppelin/access/Ownable.sol";
import {ElixirDeposit} from "src/ElixirDeposit.sol";
import {IERC20} from "openzeppelin/token/ERC20/IERC20.sol";
import {SafeERC20} from "openzeppelin/token/ERC20/utils/SafeERC20.sol";

/// @title Elixir's committed elxETH to deUSD contract
/// @author The Elixir Team
/// @notice This contract is used to track elxETH deposits committed to deUSD
contract ElixirDeUSDCommits is Ownable {
    using SafeERC20 for IERC20;

    /*//////////////////////////////////////////////////////////////
                                VARIABLES
    //////////////////////////////////////////////////////////////*/

    /// @notice The address of the Elixir multisig wallet with control of elxETH funds committed to deUSD
    address public commitsController;

    /// @notice The address of the stETH token
    IERC20 public token;

    /// @notice The pause status of commit
    bool public pauseCommits;

    /// @notice The address of the ElixirDeposit contract
    ElixirDeposit public elixirDepositContract;

    /// @notice Mapping of address to committed ETH from ElixirDeposit contract
    mapping(address user => uint256 committed) public committed;

    /*//////////////////////////////////////////////////////////////
                                 EVENTS 
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when user commits an amount
    /// @param caller The caller of the commit function.
    /// @param amount The token amount committed and transferred.
    event Commit(address indexed caller, uint256 indexed amount);

    /*//////////////////////////////////////////////////////////////
                                 ERRORS
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when commits are paused.
    error CommitsPaused();

    /// @notice Emitted when commit exceeds current deposit balance.
    error CommitExceedsBalance();

    /*//////////////////////////////////////////////////////////////
                                MODIFIERS
    //////////////////////////////////////////////////////////////*/

    /// @notice Reverts when commits are paused.
    modifier whenCommitNotPaused() {
        if (pauseCommits) revert CommitsPaused();
        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    /// @notice Constructor for the ElixirDeUSDCommits contract
    /// @param _owner The address of the owner of the contract
    /// @param _elixirDepositContract The address of the ElixirDeposit contract
    constructor(address _owner, address _elixirDepositContract, address _token) Ownable(_owner) {
        elixirDepositContract = ElixirDeposit(_elixirDepositContract);
        token = IERC20(_token);
    }

    /*//////////////////////////////////////////////////////////////
                              VIEW FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Get user's uncommited balance from ElixirDeposit contract
    /// @param user The address of user with uncommited balance
    function uncommittedBalance(address user) public view returns (uint256 amount) {
        return elixirDepositContract.deposits(user) - committed[user];
    }

    /*//////////////////////////////////////////////////////////////
                            EXTERNAL FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Commit elxETH to deUSD
    /// @param commitAmount amount of elxETH to commit to deUSD (18 decimals)
    function commitDeUSD(uint256 commitAmount) external whenCommitNotPaused {
        if (commitAmount > uncommittedBalance(msg.sender)) revert CommitExceedsBalance();
        committed[msg.sender] += commitAmount;
        token.safeTransferFrom(elixirDepositContract.controller(), commitsController, commitAmount);
        emit Commit(msg.sender, commitAmount);
    }

    /// @notice Pause commit, callable by the owner
    /// @param _pauseCommits True if mints are to be paused, false if they are to be unpaused
    function pause(bool _pauseCommits) external onlyOwner {
        pauseCommits = _pauseCommits;
    }

    /// @notice Set controller address, callable by the owner
    /// @param _controller controller address to be set
    function setCommitsController(address _controller) external onlyOwner {
        commitsController = _controller;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../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;

    /**
     * @dev An operation with an ERC20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @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).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.20;

import {Ownable} from "openzeppelin/access/Ownable.sol";

/// @title Elixir deposit contract
/// @author The Elixir Team
/// @notice This contract is used to deposit funds
contract ElixirDeposit is Ownable {
    /*//////////////////////////////////////////////////////////////
                                VARIABLES
    //////////////////////////////////////////////////////////////*/

    /// @notice The address of the Elixir multisig wallet with control of funds
    address public controller;

    /// @notice Mapping of address to deposited amount
    mapping(address user => uint256 amount) public deposits;

    /// @notice The pause status of deposits. True if deposits are paused.
    bool public depositsPaused;

    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when a deposit is made.
    /// @param caller The caller of the deposit function, for which tokens are taken from.
    /// @param amount The token amount deposited.
    event Deposit(address indexed caller, uint256 indexed amount);

    /*//////////////////////////////////////////////////////////////
                                 ERRORS
    //////////////////////////////////////////////////////////////*/

    /// @notice Emitted when deposits are paused.
    error DepositsPaused();

    /// @notice Emitted when deposit fails.
    error DepositFailed();

    /*//////////////////////////////////////////////////////////////
                                MODIFIERS
    //////////////////////////////////////////////////////////////*/

    /// @notice Reverts when deposits are paused.
    modifier whenDepositNotPaused() {
        if (depositsPaused) revert DepositsPaused();
        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    /// @notice Constructor for the ElixirDeposit contract
    /// @param _owner The address of the owner of the contract
    constructor(address _owner) Ownable(_owner) {}

    /*//////////////////////////////////////////////////////////////
                             EXTERNAL FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Deposit funds into the contract
    function deposit() external payable whenDepositNotPaused {
        deposits[msg.sender] += msg.value;

        (bool sent,) = controller.call{value: msg.value}("");
        if (!sent) revert DepositFailed();

        emit Deposit(msg.sender, msg.value);
    }

    /// @notice Pause deposits, callable by the owner
    /// @param pauseDeposits True if deposits are to be paused, false if they are to be unpaused
    function pause(bool pauseDeposits) external onlyOwner {
        depositsPaused = pauseDeposits;
    }

    /// @notice Set controller address, callable by the owner
    /// @param _controller controller address to be set
    function setController(address _controller) external onlyOwner {
        controller = _controller;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @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.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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].
     *
     * CAUTION: See Security Considerations above.
     */
    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 v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

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

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

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) 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 FailedInnerCall();
        }
    }
}

{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_depositContract","type":"address"},{"internalType":"address","name":"_commitsContract","type":"address"},{"internalType":"address","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"CommitExceedsBalance","type":"error"},{"inputs":[],"name":"CommitsPaused","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"InsufficientFunds","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"WithdrawFailed","type":"error"},{"inputs":[],"name":"WithdrawsPaused","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Commit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"withdrawer","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"uint256","name":"commitAmount","type":"uint256"}],"name":"commitDeUSD","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"commitsPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"committed","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"committedEth","outputs":[{"internalType":"uint256","name":"withdrawn","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deusdCommitsContract","outputs":[{"internalType":"contract ElixirDeUSDCommits","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"elixirDepositContract","outputs":[{"internalType":"contract ElixirDeposit","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"pauseCommit","type":"bool"}],"name":"pauseCommits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"pauseWithdraw","type":"bool"}],"name":"pauseWithdraws","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"unusedBalance","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawOwnerEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawalsPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"withdrawn","outputs":[{"internalType":"uint256","name":"withdrawn","type":"uint256"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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00000000000000000000000000000000f51340906f767c6999fe512b1275955c0000000000000000000000001f75881dc0707b5236f739b5b64a87c211294abb000000000000000000000000652329cc4f00af06a8020b41846d54a439a64620000000000000000000000000ae7ab96520de3a18e5e111b5eaab095312d7fe84

-----Decoded View---------------
Arg [0] : _owner (address): 0x00000000F51340906F767C6999Fe512b1275955C
Arg [1] : _depositContract (address): 0x1F75881DC0707b5236f739b5B64A87c211294Abb
Arg [2] : _commitsContract (address): 0x652329cc4F00Af06a8020B41846d54a439A64620
Arg [3] : _token (address): 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000f51340906f767c6999fe512b1275955c
Arg [1] : 0000000000000000000000001f75881dc0707b5236f739b5b64a87c211294abb
Arg [2] : 000000000000000000000000652329cc4f00af06a8020b41846d54a439a64620
Arg [3] : 000000000000000000000000ae7ab96520de3a18e5e111b5eaab095312d7fe84