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// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.23;

import {IStakedUSDe} from "./Interfaces.sol";

/**
 * @title A helper contract that allows the ARM to have multiple sUSDe cooldowns in parallel.
 * @author Origin Protocol Inc
 */
contract EthenaUnstaker {
    /// The parent Ethena ARM contract
    address public immutable arm;
    /// @notice The address of Ethena's staked synthetic dollar token (sUSDe)
    IStakedUSDe public immutable susde;

    constructor(address _arm, IStakedUSDe _susde) {
        arm = _arm;
        susde = _susde;
    }

    /// @notice Request a cooldown of USDe from Ethena's Staked USDe (sUSDe) contract.
    /// @param sUSDeAmount The amount of staked USDe (sUSDe) to withdraw.
    /// @return usde The amount of underlying USDe that will be withdrawable after the cooldown period.
    function requestUnstake(uint256 sUSDeAmount) external returns (uint256 usde) {
        require(msg.sender == arm, "Only ARM can request unstake");
        usde = susde.cooldownShares(sUSDeAmount);
    }

    /// @notice Claim the underlying USDe after the cooldown period has ended and send to the ARM.
    /// Reverts with `InvalidCooldown` from the Staked USDe contract if the cooldown period has not yet passed.
    function claimUnstake() external {
        require(msg.sender == arm, "Only ARM can request unstake");
        susde.unstake(arm);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address to, uint256 value) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
    function decimals() external view returns (uint8);

    event Transfer(address indexed from, address indexed to, uint256 value);
}

interface IOethARM {
    function token0() external returns (address);
    function token1() external returns (address);
    function owner() external returns (address);

    /**
     * @notice Swaps an exact amount of input tokens for as many output tokens as possible.
     * msg.sender should have already given the ARM contract an allowance of
     * at least amountIn on the input token.
     *
     * @param inToken Input token.
     * @param outToken Output token.
     * @param amountIn The amount of input tokens to send.
     * @param amountOutMin The minimum amount of output tokens that must be received for the transaction not to revert.
     * @param to Recipient of the output tokens.
     * @return amounts The input and output token amounts.
     */
    function swapExactTokensForTokens(
        IERC20 inToken,
        IERC20 outToken,
        uint256 amountIn,
        uint256 amountOutMin,
        address to
    ) external returns (uint256[] memory amounts);

    /**
     * @notice Uniswap V2 Router compatible interface. Swaps an exact amount of
     * input tokens for as many output tokens as possible.
     * msg.sender should have already given the ARM contract an allowance of
     * at least amountIn on the input token.
     *
     * @param amountIn The amount of input tokens to send.
     * @param amountOutMin The minimum amount of output tokens that must be received for the transaction not to revert.
     * @param path The input and output token addresses.
     * @param to Recipient of the output tokens.
     * @param deadline Unix timestamp after which the transaction will revert.
     * @return amounts The input and output token amounts.
     */
    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    /**
     * @notice Receive an exact amount of output tokens for as few input tokens as possible.
     * msg.sender should have already given the router an allowance of
     * at least amountInMax on the input token.
     *
     * @param inToken Input token.
     * @param outToken Output token.
     * @param amountOut The amount of output tokens to receive.
     * @param amountInMax The maximum amount of input tokens that can be required before the transaction reverts.
     * @param to Recipient of the output tokens.
     * @return amounts The input and output token amounts.
     */
    function swapTokensForExactTokens(
        IERC20 inToken,
        IERC20 outToken,
        uint256 amountOut,
        uint256 amountInMax,
        address to
    ) external returns (uint256[] memory amounts);

    /**
     * @notice Uniswap V2 Router compatible interface. Receive an exact amount of
     * output tokens for as few input tokens as possible.
     * msg.sender should have already given the router an allowance of
     * at least amountInMax on the input token.
     *
     * @param amountOut The amount of output tokens to receive.
     * @param amountInMax The maximum amount of input tokens that can be required before the transaction reverts.
     * @param path The input and output token addresses.
     * @param to Recipient of the output tokens.
     * @param deadline Unix timestamp after which the transaction will revert.
     * @return amounts The input and output token amounts.
     */
    function swapTokensForExactTokens(
        uint256 amountOut,
        uint256 amountInMax,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function setOwner(address newOwner) external;
    function transferToken(address token, address to, uint256 amount) external;

    // From OethLiquidityManager
    function requestWithdrawal(uint256 amount) external returns (uint256 requestId, uint256 queued);
    function claimWithdrawal(uint256 requestId) external;
    function claimWithdrawals(uint256[] calldata requestIds) external;
}

interface ILiquidityProviderARM is IERC20 {
    function previewDeposit(uint256 assets) external returns (uint256 shares);
    function deposit(uint256 assets) external returns (uint256 shares);
    function deposit(uint256 assets, address liquidityProvider) external returns (uint256 shares);

    function previewRedeem(uint256 shares) external returns (uint256 assets);
    function requestRedeem(uint256 shares) external returns (uint256 requestId, uint256 assets);
    function claimRedeem(uint256 requestId) external returns (uint256 assets);

    function totalAssets() external returns (uint256 assets);
    function convertToShares(uint256 assets) external returns (uint256 shares);
    function convertToAssets(uint256 shares) external returns (uint256 assets);
    function lastTotalAssets() external returns (uint256 assets);
}

interface ICapManager {
    function postDepositHook(address liquidityProvider, uint256 assets) external;
}

interface LegacyAMM {
    function transferToken(address tokenOut, address to, uint256 amount) external;
}

interface IOriginVault {
    function mint(address _asset, uint256 _amount, uint256 _minimumOusdAmount) external;

    function redeem(uint256 _amount, uint256 _minimumUnitAmount) external;

    function requestWithdrawal(uint256 amount) external returns (uint256 requestId, uint256 queued);

    function claimWithdrawal(uint256 requestId) external returns (uint256 amount);

    function claimWithdrawals(uint256[] memory requestIds)
        external
        returns (uint256[] memory amounts, uint256 totalAmount);

    function addWithdrawalQueueLiquidity() external;

    function setMaxSupplyDiff(uint256 _maxSupplyDiff) external;

    function governor() external view returns (address);

    function dripper() external view returns (address);

    function withdrawalQueueMetadata()
        external
        view
        returns (uint128 queued, uint128 claimable, uint128 claimed, uint128 nextWithdrawalIndex);

    function withdrawalRequests(uint256 requestId)
        external
        view
        returns (address withdrawer, bool claimed, uint40 timestamp, uint128 amount, uint128 queued);

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

interface IGovernance {
    enum ProposalState {
        Pending,
        Active,
        Canceled,
        Defeated,
        Succeeded,
        Queued,
        Expired,
        Executed
    }

    function state(uint256 proposalId) external view returns (ProposalState);

    function proposalSnapshot(uint256 proposalId) external view returns (uint256);

    function proposalDeadline(uint256 proposalId) external view returns (uint256);

    function proposalEta(uint256 proposalId) external view returns (uint256);

    function votingDelay() external view returns (uint256);

    function castVote(uint256 proposalId, uint8 support) external returns (uint256 balance);

    function queue(uint256 proposalId) external;

    function execute(uint256 proposalId) external;
}

interface IWETH is IERC20 {
    event Deposit(address indexed dst, uint256 wad);
    event Withdrawal(address indexed src, uint256 wad);

    function deposit() external payable;
    function withdraw(uint256 wad) external;
}

interface ISTETH is IERC20 {
    event Submitted(address indexed sender, uint256 amount, address referral);

    // function() external payable;
    function submit(address _referral) external payable returns (uint256);
}

interface IStETHWithdrawal {
    event WithdrawalRequested(
        uint256 indexed requestId,
        address indexed requestor,
        address indexed owner,
        uint256 amountOfStETH,
        uint256 amountOfShares
    );
    event WithdrawalsFinalized(
        uint256 indexed from, uint256 indexed to, uint256 amountOfETHLocked, uint256 sharesToBurn, uint256 timestamp
    );
    event WithdrawalClaimed(
        uint256 indexed requestId, address indexed owner, address indexed receiver, uint256 amountOfETH
    );

    struct WithdrawalRequestStatus {
        /// @notice stETH token amount that was locked on withdrawal queue for this request
        uint256 amountOfStETH;
        /// @notice amount of stETH shares locked on withdrawal queue for this request
        uint256 amountOfShares;
        /// @notice address that can claim or transfer this request
        address owner;
        /// @notice timestamp of when the request was created, in seconds
        uint256 timestamp;
        /// @notice true, if request is finalized
        bool isFinalized;
        /// @notice true, if request is claimed. Request is claimable if (isFinalized && !isClaimed)
        bool isClaimed;
    }

    function transferFrom(address _from, address _to, uint256 _requestId) external;
    function ownerOf(uint256 _requestId) external returns (address);
    function requestWithdrawals(uint256[] calldata _amounts, address _owner)
        external
        returns (uint256[] memory requestIds);
    function getLastCheckpointIndex() external view returns (uint256);
    function findCheckpointHints(uint256[] calldata _requestIds, uint256 _firstIndex, uint256 _lastIndex)
        external
        view
        returns (uint256[] memory hintIds);
    function claimWithdrawals(uint256[] calldata _requestIds, uint256[] calldata _hints) external;
    function getWithdrawalStatus(uint256[] calldata _requestIds)
        external
        view
        returns (WithdrawalRequestStatus[] memory statuses);
    function getWithdrawalRequests(address _owner) external view returns (uint256[] memory requestsIds);
    function getLastRequestId() external view returns (uint256);
}

interface IOracle {
    function price(address asset) external view returns (uint256 price);
}

interface IHarvestable {
    function collectRewards() external returns (address[] memory tokens, uint256[] memory rewards);
}

interface IMagpieRouter {
    function swapWithMagpieSignature(bytes calldata) external payable returns (uint256 amountOut);
}

library DistributionTypes {
    struct IncentivesProgramCreationInput {
        string name;
        address rewardToken;
        uint104 emissionPerSecond;
        uint40 distributionEnd;
    }
}

library IDistributionManager {
    struct AccruedRewards {
        uint256 amount;
        bytes32 programId;
        address rewardToken;
    }
}

interface SiloIncentivesControllerGaugeLike {
    function claimRewards(address _to) external returns (IDistributionManager.AccruedRewards[] memory accruedRewards);
    function createIncentivesProgram(DistributionTypes.IncentivesProgramCreationInput memory _incentivesProgramInput)
        external;
    function getAllProgramsNames() external view returns (string[] memory programsNames);
    function getRewardsBalance(address _user, string memory _programName)
        external
        view
        returns (uint256 unclaimedRewards);
    function incentivesPrograms(bytes32)
        external
        view
        returns (
            uint256 index,
            address rewardToken,
            uint104 emissionPerSecond,
            uint40 lastUpdateTimestamp,
            uint40 distributionEnd
        );
    function owner() external view returns (address);
}

interface IEETHWithdrawal {
    function requestWithdraw(address receipient, uint256 amount) external returns (uint256 requestId);
}

interface IEETHWithdrawalNFT {
    function finalizeRequests(uint256 requestId) external;
    function claimWithdraw(uint256 requestId) external;
    function batchClaimWithdraw(uint256[] calldata requestIds) external;
}

interface IEETHRedemptionManager {
    function redeemWeEth(uint256 amount, address receiver) external;
    function canRedeem(uint256 amount) external view returns (bool);
}

interface IDistributor {
    function claim(
        address[] calldata users,
        address[] calldata tokens,
        uint256[] calldata amounts,
        bytes32[][] calldata proofs
    ) external;
}

// Ethena Interfaces

struct UserCooldown {
    uint104 cooldownEnd;
    uint152 underlyingAmount;
}

interface IStakedUSDe is IERC4626 {
    // Errors //
    /// @notice Error emitted when the shares amount to redeem is greater than the shares balance of the owner
    error ExcessiveRedeemAmount();
    /// @notice Error emitted when the shares amount to withdraw is greater than the shares balance of the owner
    error ExcessiveWithdrawAmount();

    function cooldownAssets(uint256 assets) external returns (uint256 shares);

    function cooldownShares(uint256 shares) external returns (uint256 assets);

    function unstake(address receiver) external;

    function cooldowns(address receiver) external view returns (UserCooldown memory);

    function getUnvestedAmount() external view returns (uint256);

    function lastDistributionTimestamp() external view returns (uint256);

    function transferInRewards(uint256 amount) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC4626.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../token/ERC20/IERC20.sol";
import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

/**
 * @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
 * https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
 */
interface IERC4626 is IERC20, IERC20Metadata {
    event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);

    event Withdraw(
        address indexed sender,
        address indexed receiver,
        address indexed owner,
        uint256 assets,
        uint256 shares
    );

    /**
     * @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
     *
     * - MUST be an ERC-20 token contract.
     * - MUST NOT revert.
     */
    function asset() external view returns (address assetTokenAddress);

    /**
     * @dev Returns the total amount of the underlying asset that is “managed” by Vault.
     *
     * - SHOULD include any compounding that occurs from yield.
     * - MUST be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT revert.
     */
    function totalAssets() external view returns (uint256 totalManagedAssets);

    /**
     * @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToShares(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
     * scenario where all the conditions are met.
     *
     * - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
     * - MUST NOT show any variations depending on the caller.
     * - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
     * - MUST NOT revert.
     *
     * NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
     * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
     * from.
     */
    function convertToAssets(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
     * through a deposit call.
     *
     * - MUST return a limited value if receiver is subject to some deposit limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
     * - MUST NOT revert.
     */
    function maxDeposit(address receiver) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
     *   call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
     *   in the same transaction.
     * - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
     *   deposit would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewDeposit(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   deposit execution, and are accounted for during deposit.
     * - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
     * - MUST return a limited value if receiver is subject to some mint limit.
     * - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
     * - MUST NOT revert.
     */
    function maxMint(address receiver) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
     * current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
     *   in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
     *   same transaction.
     * - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
     *   would be accepted, regardless if the user has enough tokens approved, etc.
     * - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by minting.
     */
    function previewMint(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
     *
     * - MUST emit the Deposit event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
     *   execution, and are accounted for during mint.
     * - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
     *   approving enough underlying tokens to the Vault contract, etc).
     *
     * NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
     */
    function mint(uint256 shares, address receiver) external returns (uint256 assets);

    /**
     * @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxWithdraw(address owner) external view returns (uint256 maxAssets);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
     *   call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
     *   called
     *   in the same transaction.
     * - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
     *   the withdrawal would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by depositing.
     */
    function previewWithdraw(uint256 assets) external view returns (uint256 shares);

    /**
     * @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   withdraw execution, and are accounted for during withdraw.
     * - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);

    /**
     * @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
     * through a redeem call.
     *
     * - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
     * - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
     * - MUST NOT revert.
     */
    function maxRedeem(address owner) external view returns (uint256 maxShares);

    /**
     * @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
     * given current on-chain conditions.
     *
     * - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
     *   in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
     *   same transaction.
     * - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
     *   redemption would be accepted, regardless if the user has enough shares, etc.
     * - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
     * - MUST NOT revert.
     *
     * NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
     * share price or some other type of condition, meaning the depositor will lose assets by redeeming.
     */
    function previewRedeem(uint256 shares) external view returns (uint256 assets);

    /**
     * @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
     *
     * - MUST emit the Withdraw event.
     * - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
     *   redeem execution, and are accounted for during redeem.
     * - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
     *   not having enough shares, etc).
     *
     * NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
     * Those methods should be performed separately.
     */
    function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}

// 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/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

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

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

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

{
  "remappings": [
    "dependencies/@pendle-sy-1.0.0-1.0.0/:@openzeppelin/contracts/=dependencies/@openzeppelin-contracts-4.9.3-4.9.3/contracts/",
    "contracts/=src/contracts/",
    "script/=script/",
    "test/=test/",
    "utils/=src/contracts/utils/",
    "@solmate/=dependencies/solmate-6.7.0/src/",
    "forge-std/=dependencies/forge-std-1.9.7/src/",
    "@pendle-sy/=dependencies/@pendle-sy-1.0.0-1.0.0/contracts/",
    "@openzeppelin/contracts/=dependencies/@openzeppelin-contracts-5.0.2-5.0.2/contracts/",
    "@openzeppelin/contracts-upgradeable/=dependencies/@openzeppelin-contracts-upgradeable-5.0.2-5.0.2/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_arm","type":"address"},{"internalType":"contract IStakedUSDe","name":"_susde","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"arm","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimUnstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sUSDeAmount","type":"uint256"}],"name":"requestUnstake","outputs":[{"internalType":"uint256","name":"usde","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"susde","outputs":[{"internalType":"contract IStakedUSDe","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000ceda2d856238aa0d12f6329de20b9115f07c366d0000000000000000000000009d39a5de30e57443bff2a8307a4256c8797a3497

-----Decoded View---------------
Arg [0] : _arm (address): 0xCEDa2d856238aA0D12f6329de20B9115f07C366d
Arg [1] : _susde (address): 0x9D39A5DE30e57443BfF2A8307A4256c8797A3497

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000ceda2d856238aa0d12f6329de20b9115f07c366d
Arg [1] : 0000000000000000000000009d39a5de30e57443bff2a8307a4256c8797a3497