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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/proxy/Clones.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./Challenge.sol";

/**
 * @title ChallengeFactory
 * @notice Factory contract for deploying Challenge instances as minimal proxies
 * @dev Uses EIP-1167 minimal proxy pattern for gas-efficient deployment
 */
contract ChallengeFactory is Ownable {
    using Clones for address;

    // Challenge implementation contract
    address public immutable challengeImplementation;

    // Admin address for all challenges
    address public admin;

    // Registry of all challenges
    address[] public challenges;
    
    // Mapping from creator to their challenges
    mapping(address => address[]) public challengesByCreator;

    // Events
    event ChallengeCreated(
        address indexed challenge,
        address indexed creator,
        address prizeToken,
        uint256 requiredContribution,
        uint256 requiredStartingBalance,
        uint64 startTime,
        uint64 endTime
    );
    event AdminUpdated(address indexed oldAdmin, address indexed newAdmin);

    /**
     * @notice Constructor
     * @param _admin Initial admin address for all challenges
     */
    constructor(address _admin) Ownable(msg.sender) {
        require(_admin != address(0), "Invalid admin address");
        
        // Deploy the implementation contract
        challengeImplementation = address(new Challenge());
        admin = _admin;

        emit AdminUpdated(address(0), _admin);
    }

    /**
     * @notice Create a new trading challenge
     * @param prizeToken ERC20 token for prize pool
     * @param requiredContribution Amount each participant must contribute
     * @param requiredStartingBalance Required starting balance on HyperCore
     * @param startTime Challenge start timestamp
     * @param endTime Challenge end timestamp
     * @param splitsBps Array of basis points for prize distribution (must sum to 10000)
     * @param whitelist Array of whitelisted addresses (empty for open registration)
     * @return challenge Address of the newly created challenge
     */
    function createChallenge(
        address prizeToken,
        uint256 requiredContribution,
        uint256 requiredStartingBalance,
        uint64 startTime,
        uint64 endTime,
        uint16[] memory splitsBps,
        address[] memory whitelist
    ) external returns (address challenge) {
        // Deploy minimal proxy clone
        challenge = challengeImplementation.clone();

        // Initialize the challenge
        // TODO: Pass actual HyperCore helper address when available (currently using address(0))
        Challenge(challenge).initialize(
            prizeToken,
            requiredContribution,
            requiredStartingBalance,
            startTime,
            endTime,
            splitsBps,
            whitelist,
            msg.sender,  // creator
            address(0),  // hyperHelper - temporarily disabled
            admin
        );

        // Register in storage
        challenges.push(challenge);
        challengesByCreator[msg.sender].push(challenge);

        emit ChallengeCreated(
            challenge,
            msg.sender,
            prizeToken,
            requiredContribution,
            requiredStartingBalance,
            startTime,
            endTime
        );

        return challenge;
    }

    /**
     * @notice Update admin address for future challenges (owner only)
     * @param newAdmin New admin address
     */
    function updateAdmin(address newAdmin) external onlyOwner {
        require(newAdmin != address(0), "Invalid admin address");
        address oldAdmin = admin;
        admin = newAdmin;
        emit AdminUpdated(oldAdmin, newAdmin);
    }

    // ============ View Functions ============

    /**
     * @notice Get total number of challenges created
     */
    function challengesCount() external view returns (uint256) {
        return challenges.length;
    }

    /**
     * @notice Get challenge address at index
     */
    function challengeAt(uint256 index) external view returns (address) {
        require(index < challenges.length, "Index out of bounds");
        return challenges[index];
    }

    /**
     * @notice Get all challenges created by a specific creator
     */
    function getChallengesByCreator(address creator) external view returns (address[] memory) {
        return challengesByCreator[creator];
    }

    /**
     * @notice Get number of challenges created by a specific creator
     */
    function challengesCountByCreator(address creator) external view returns (uint256) {
        return challengesByCreator[creator].length;
    }

    /**
     * @notice Get all challenges (use with caution for large arrays)
     */
    function getAllChallenges() external view returns (address[] memory) {
        return challenges;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (access/AccessControl.sol)

pragma solidity ^0.8.20;

import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol";
import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {ERC165Upgradeable} from "../utils/introspection/ERC165Upgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```solidity
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```solidity
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
 * to enforce additional security measures for this role.
 */
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControl, ERC165Upgradeable {
    struct RoleData {
        mapping(address account => bool) hasRole;
        bytes32 adminRole;
    }

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;


    /// @custom:storage-location erc7201:openzeppelin.storage.AccessControl
    struct AccessControlStorage {
        mapping(bytes32 role => RoleData) _roles;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControl")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant AccessControlStorageLocation = 0x02dd7bc7dec4dceedda775e58dd541e08a116c6c53815c0bd028192f7b626800;

    function _getAccessControlStorage() private pure returns (AccessControlStorage storage $) {
        assembly {
            $.slot := AccessControlStorageLocation
        }
    }

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with an {AccessControlUnauthorizedAccount} error including the required role.
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    /// @inheritdoc IERC165
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual returns (bool) {
        AccessControlStorage storage $ = _getAccessControlStorage();
        return $._roles[role].hasRole[account];
    }

    /**
     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
     * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
     * is missing `role`.
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert AccessControlUnauthorizedAccount(account, role);
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
        AccessControlStorage storage $ = _getAccessControlStorage();
        return $._roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address callerConfirmation) public virtual {
        if (callerConfirmation != _msgSender()) {
            revert AccessControlBadConfirmation();
        }

        _revokeRole(role, callerConfirmation);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        AccessControlStorage storage $ = _getAccessControlStorage();
        bytes32 previousAdminRole = getRoleAdmin(role);
        $._roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
        AccessControlStorage storage $ = _getAccessControlStorage();
        if (!hasRole(role, account)) {
            $._roles[role].hasRole[account] = true;
            emit RoleGranted(role, account, _msgSender());
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Attempts to revoke `role` from `account` and returns a boolean indicating if `role` was revoked.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
        AccessControlStorage storage $ = _getAccessControlStorage();
        if (hasRole(role, account)) {
            $._roles[role].hasRole[account] = false;
            emit RoleRevoked(role, account, _msgSender());
            return true;
        } else {
            return false;
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Storage of the initializable contract.
     *
     * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
     * when using with upgradeable contracts.
     *
     * @custom:storage-location erc7201:openzeppelin.storage.Initializable
     */
    struct InitializableStorage {
        /**
         * @dev Indicates that the contract has been initialized.
         */
        uint64 _initialized;
        /**
         * @dev Indicates that the contract is in the process of being initialized.
         */
        bool _initializing;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;

    /**
     * @dev The contract is already initialized.
     */
    error InvalidInitialization();

    /**
     * @dev The contract is not initializing.
     */
    error NotInitializing();

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint64 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
     * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
     * production.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        // Cache values to avoid duplicated sloads
        bool isTopLevelCall = !$._initializing;
        uint64 initialized = $._initialized;

        // Allowed calls:
        // - initialSetup: the contract is not in the initializing state and no previous version was
        //                 initialized
        // - construction: the contract is initialized at version 1 (no reinitialization) and the
        //                 current contract is just being deployed
        bool initialSetup = initialized == 0 && isTopLevelCall;
        bool construction = initialized == 1 && address(this).code.length == 0;

        if (!initialSetup && !construction) {
            revert InvalidInitialization();
        }
        $._initialized = 1;
        if (isTopLevelCall) {
            $._initializing = true;
        }
        _;
        if (isTopLevelCall) {
            $._initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint64 version) {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing || $._initialized >= version) {
            revert InvalidInitialization();
        }
        $._initialized = version;
        $._initializing = true;
        _;
        $._initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        _checkInitializing();
        _;
    }

    /**
     * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
     */
    function _checkInitializing() internal view virtual {
        if (!_isInitializing()) {
            revert NotInitializing();
        }
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        // solhint-disable-next-line var-name-mixedcase
        InitializableStorage storage $ = _getInitializableStorage();

        if ($._initializing) {
            revert InvalidInitialization();
        }
        if ($._initialized != type(uint64).max) {
            $._initialized = type(uint64).max;
            emit Initialized(type(uint64).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint64) {
        return _getInitializableStorage()._initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _getInitializableStorage()._initializing;
    }

    /**
     * @dev Pointer to storage slot. Allows integrators to override it with a custom storage location.
     *
     * NOTE: Consider following the ERC-7201 formula to derive storage locations.
     */
    function _initializableStorageSlot() internal pure virtual returns (bytes32) {
        return INITIALIZABLE_STORAGE;
    }

    /**
     * @dev Returns a pointer to the storage namespace.
     */
    // solhint-disable-next-line var-name-mixedcase
    function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
        bytes32 slot = _initializableStorageSlot();
        assembly {
            $.slot := slot
        }
    }
}

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

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    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 v5.4.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 */
abstract contract ERC165Upgradeable is Initializable, IERC165 {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /// @inheritdoc IERC165
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at,
 * consider using {ReentrancyGuardTransient} instead.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuardUpgradeable is Initializable {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    /// @custom:storage-location erc7201:openzeppelin.storage.ReentrancyGuard
    struct ReentrancyGuardStorage {
        uint256 _status;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant ReentrancyGuardStorageLocation = 0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;

    function _getReentrancyGuardStorage() private pure returns (ReentrancyGuardStorage storage $) {
        assembly {
            $.slot := ReentrancyGuardStorageLocation
        }
    }

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        $._status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if ($._status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        $._status = ENTERED;
    }

    function _nonReentrantAfter() private {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        $._status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
        return $._status == ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (access/IAccessControl.sol)

pragma solidity >=0.8.4;

/**
 * @dev External interface of AccessControl declared to support ERC-165 detection.
 */
interface IAccessControl {
    /**
     * @dev The `account` is missing a role.
     */
    error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);

    /**
     * @dev The caller of a function is not the expected one.
     *
     * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
     */
    error AccessControlBadConfirmation();

    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted to signal this.
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call. This account bears the admin role (for the granted role).
     * Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     */
    function renounceRole(bytes32 role, address callerConfirmation) external;
}

// 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: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)

pragma solidity >=0.6.2;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)

pragma solidity >=0.4.16;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)

pragma solidity >=0.4.16;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (proxy/Clones.sol)

pragma solidity ^0.8.20;

import {Create2} from "../utils/Create2.sol";
import {Errors} from "../utils/Errors.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[ERC-1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 */
library Clones {
    error CloneArgumentsTooLong();

    /**
     * @dev Deploys and returns the address of a clone that mimics the behavior of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     */
    function clone(address implementation) internal returns (address instance) {
        return clone(implementation, 0);
    }

    /**
     * @dev Same as {xref-Clones-clone-address-}[clone], but with a `value` parameter to send native currency
     * to the new contract.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function clone(address implementation, uint256 value) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        assembly ("memory-safe") {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create(value, 0x09, 0x37)
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behavior of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple times will revert, since
     * the clones cannot be deployed twice at the same address.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        return cloneDeterministic(implementation, salt, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneDeterministic-address-bytes32-}[cloneDeterministic], but with
     * a `value` parameter to send native currency to the new contract.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneDeterministic(
        address implementation,
        bytes32 salt,
        uint256 value
    ) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        assembly ("memory-safe") {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create2(value, 0x09, 0x37, salt)
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        assembly ("memory-safe") {
            let ptr := mload(0x40)
            mstore(add(ptr, 0x38), deployer)
            mstore(add(ptr, 0x24), 0x5af43d82803e903d91602b57fd5bf3ff)
            mstore(add(ptr, 0x14), implementation)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73)
            mstore(add(ptr, 0x58), salt)
            mstore(add(ptr, 0x78), keccak256(add(ptr, 0x0c), 0x37))
            predicted := and(keccak256(add(ptr, 0x43), 0x55), 0xffffffffffffffffffffffffffffffffffffffff)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddress(implementation, salt, address(this));
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behavior of `implementation` with custom
     * immutable arguments. These are provided through `args` and cannot be changed after deployment. To
     * access the arguments within the implementation, use {fetchCloneArgs}.
     *
     * This function uses the create opcode, which should never revert.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     */
    function cloneWithImmutableArgs(address implementation, bytes memory args) internal returns (address instance) {
        return cloneWithImmutableArgs(implementation, args, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneWithImmutableArgs-address-bytes-}[cloneWithImmutableArgs], but with a `value`
     * parameter to send native currency to the new contract.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneWithImmutableArgs(
        address implementation,
        bytes memory args,
        uint256 value
    ) internal returns (address instance) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        assembly ("memory-safe") {
            instance := create(value, add(bytecode, 0x20), mload(bytecode))
        }
        if (instance == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behavior of `implementation` with custom
     * immutable arguments. These are provided through `args` and cannot be changed after deployment. To
     * access the arguments within the implementation, use {fetchCloneArgs}.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy the clone. Using the same
     * `implementation`, `args` and `salt` multiple times will revert, since the clones cannot be deployed twice
     * at the same address.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     */
    function cloneDeterministicWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt
    ) internal returns (address instance) {
        return cloneDeterministicWithImmutableArgs(implementation, args, salt, 0);
    }

    /**
     * @dev Same as {xref-Clones-cloneDeterministicWithImmutableArgs-address-bytes-bytes32-}[cloneDeterministicWithImmutableArgs],
     * but with a `value` parameter to send native currency to the new contract.
     *
     * WARNING: This function does not check if `implementation` has code. A clone that points to an address
     * without code cannot be initialized. Initialization calls may appear to be successful when, in reality, they
     * have no effect and leave the clone uninitialized, allowing a third party to initialize it later.
     *
     * NOTE: Using a non-zero value at creation will require the contract using this function (e.g. a factory)
     * to always have enough balance for new deployments. Consider exposing this function under a payable method.
     */
    function cloneDeterministicWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt,
        uint256 value
    ) internal returns (address instance) {
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        return Create2.deploy(value, salt, bytecode);
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministicWithImmutableArgs}.
     */
    function predictDeterministicAddressWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        bytes memory bytecode = _cloneCodeWithImmutableArgs(implementation, args);
        return Create2.computeAddress(salt, keccak256(bytecode), deployer);
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministicWithImmutableArgs}.
     */
    function predictDeterministicAddressWithImmutableArgs(
        address implementation,
        bytes memory args,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddressWithImmutableArgs(implementation, args, salt, address(this));
    }

    /**
     * @dev Get the immutable args attached to a clone.
     *
     * - If `instance` is a clone that was deployed using `clone` or `cloneDeterministic`, this
     *   function will return an empty array.
     * - If `instance` is a clone that was deployed using `cloneWithImmutableArgs` or
     *   `cloneDeterministicWithImmutableArgs`, this function will return the args array used at
     *   creation.
     * - If `instance` is NOT a clone deployed using this library, the behavior is undefined. This
     *   function should only be used to check addresses that are known to be clones.
     */
    function fetchCloneArgs(address instance) internal view returns (bytes memory) {
        bytes memory result = new bytes(instance.code.length - 45); // revert if length is too short
        assembly ("memory-safe") {
            extcodecopy(instance, add(result, 32), 45, mload(result))
        }
        return result;
    }

    /**
     * @dev Helper that prepares the initcode of the proxy with immutable args.
     *
     * An assembly variant of this function requires copying the `args` array, which can be efficiently done using
     * `mcopy`. Unfortunately, that opcode is not available before cancun. A pure solidity implementation using
     * abi.encodePacked is more expensive but also more portable and easier to review.
     *
     * NOTE: https://eips.ethereum.org/EIPS/eip-170[EIP-170] limits the length of the contract code to 24576 bytes.
     * With the proxy code taking 45 bytes, that limits the length of the immutable args to 24531 bytes.
     */
    function _cloneCodeWithImmutableArgs(
        address implementation,
        bytes memory args
    ) private pure returns (bytes memory) {
        if (args.length > 24531) revert CloneArgumentsTooLong();
        return
            abi.encodePacked(
                hex"61",
                uint16(args.length + 45),
                hex"3d81600a3d39f3363d3d373d3d3d363d73",
                implementation,
                hex"5af43d82803e903d91602b57fd5bf3",
                args
            );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC-20 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 v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
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 v5.3.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 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 {
    /**
     * @dev An operation with an ERC-20 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 Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(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.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    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.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    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 Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            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 {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
            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 silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}

// 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 v5.1.0) (utils/Create2.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Helper to make usage of the `CREATE2` EVM opcode easier and safer.
 * `CREATE2` can be used to compute in advance the address where a smart
 * contract will be deployed, which allows for interesting new mechanisms known
 * as 'counterfactual interactions'.
 *
 * See the https://eips.ethereum.org/EIPS/eip-1014#motivation[EIP] for more
 * information.
 */
library Create2 {
    /**
     * @dev There's no code to deploy.
     */
    error Create2EmptyBytecode();

    /**
     * @dev Deploys a contract using `CREATE2`. The address where the contract
     * will be deployed can be known in advance via {computeAddress}.
     *
     * The bytecode for a contract can be obtained from Solidity with
     * `type(contractName).creationCode`.
     *
     * Requirements:
     *
     * - `bytecode` must not be empty.
     * - `salt` must have not been used for `bytecode` already.
     * - the factory must have a balance of at least `amount`.
     * - if `amount` is non-zero, `bytecode` must have a `payable` constructor.
     */
    function deploy(uint256 amount, bytes32 salt, bytes memory bytecode) internal returns (address addr) {
        if (address(this).balance < amount) {
            revert Errors.InsufficientBalance(address(this).balance, amount);
        }
        if (bytecode.length == 0) {
            revert Create2EmptyBytecode();
        }
        assembly ("memory-safe") {
            addr := create2(amount, add(bytecode, 0x20), mload(bytecode), salt)
            // if no address was created, and returndata is not empty, bubble revert
            if and(iszero(addr), not(iszero(returndatasize()))) {
                let p := mload(0x40)
                returndatacopy(p, 0, returndatasize())
                revert(p, returndatasize())
            }
        }
        if (addr == address(0)) {
            revert Errors.FailedDeployment();
        }
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy}. Any change in the
     * `bytecodeHash` or `salt` will result in a new destination address.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash) internal view returns (address) {
        return computeAddress(salt, bytecodeHash, address(this));
    }

    /**
     * @dev Returns the address where a contract will be stored if deployed via {deploy} from a contract located at
     * `deployer`. If `deployer` is this contract's address, returns the same value as {computeAddress}.
     */
    function computeAddress(bytes32 salt, bytes32 bytecodeHash, address deployer) internal pure returns (address addr) {
        assembly ("memory-safe") {
            let ptr := mload(0x40) // Get free memory pointer

            // |                   | ↓ ptr ...  ↓ ptr + 0x0B (start) ...  ↓ ptr + 0x20 ...  ↓ ptr + 0x40 ...   |
            // |-------------------|---------------------------------------------------------------------------|
            // | bytecodeHash      |                                                        CCCCCCCCCCCCC...CC |
            // | salt              |                                      BBBBBBBBBBBBB...BB                   |
            // | deployer          | 000000...0000AAAAAAAAAAAAAAAAAAA...AA                                     |
            // | 0xFF              |            FF                                                             |
            // |-------------------|---------------------------------------------------------------------------|
            // | memory            | 000000...00FFAAAAAAAAAAAAAAAAAAA...AABBBBBBBBBBBBB...BBCCCCCCCCCCCCC...CC |
            // | keccak(start, 85) |            ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |

            mstore(add(ptr, 0x40), bytecodeHash)
            mstore(add(ptr, 0x20), salt)
            mstore(ptr, deployer) // Right-aligned with 12 preceding garbage bytes
            let start := add(ptr, 0x0b) // The hashed data starts at the final garbage byte which we will set to 0xff
            mstore8(start, 0xff)
            addr := and(keccak256(start, 85), 0xffffffffffffffffffffffffffffffffffffffff)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of common custom errors used in multiple contracts
 *
 * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
 * It is recommended to avoid relying on the error API for critical functionality.
 *
 * _Available since v5.1._
 */
library Errors {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error InsufficientBalance(uint256 balance, uint256 needed);

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

    /**
     * @dev The deployment failed.
     */
    error FailedDeployment();

    /**
     * @dev A necessary precompile is missing.
     */
    error MissingPrecompile(address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "./interfaces/IHyperCoreHelper.sol";

/**
 * @title Challenge
 * @notice Trading challenge contract with prize pool escrow and HyperCore balance verification
 * @dev Deployed as minimal proxies via ChallengeFactory
 */
contract Challenge is Initializable, AccessControlUpgradeable, ReentrancyGuardUpgradeable {
    // Custom Errors
    error InvalidPrizeToken();
    error InvalidTimeRange();
    error StartTimeMustBeInFuture();
    error MustHaveAtLeastOneWinner();
    error InvalidHelperAddress();
    error InvalidAdminAddress();
    error SplitsMustSumTo10000Bps();
    error RegistrationClosed();
    error AlreadyRegistered();
    error NotWhitelisted();
    error InvalidAddresses();
    error IncorrectStartingBalance();
    error NotAParticipant();
    error ChallengeNotEnded();
    error AlreadyFinalized();
    error ChallengeCanceled();
    error WinnersCountMismatch();
    error WinnerNotRegistered();
    error WinnerIsDisqualified();
    error NotFinalized();
    error NotAWinner();
    error AlreadyClaimed();
    error ParticipantDisqualified();
    error SweepPeriodNotReached();
    error NoFundsToSweep();
    error AlreadyCanceled();
    error NotCanceled();
    error AlreadyRefunded();
    error NoDepositToRefund();
    error IndexOutOfBounds();
    using SafeERC20 for IERC20;

    // Participant information
    struct Participant {
        address primary;          // Primary (root) wallet address
        address proxy;            // Privy-created proxy trading address
        uint256 depositPaid;      // Amount contributed to prize pool
        uint64 registeredAt;      // Registration timestamp
        bool disqualified;        // Disqualification status
        bool claimed;             // Prize claim status
        bool refunded;            // Refund claim status (for canceled challenges)
    }

    // Events
    event ChallengeInitialized(
        address indexed prizeToken,
        uint256 requiredContribution,
        uint256 requiredStartingBalance,
        uint64 startTime,
        uint64 endTime,
        uint16[] splitsBps,
        uint256 whitelistCount,
        address indexed creator
    );
    event Registered(address indexed primary, address indexed proxy, uint256 amount);
    event Disqualified(address indexed primary, bytes32 reasonHash);
    event Finalized(address[] winners, uint256[] shares, uint256 totalPool);
    event Claimed(address indexed primary, uint256 amount);
    event Canceled();
    event Refunded(address indexed primary, uint256 amount);
    event Swept(uint256 amount);

    // Core parameters (immutable after initialization)
    IERC20 public prizeToken;
    uint256 public requiredContribution;
    uint256 public requiredStartingBalance;
    uint64 public startTime;
    uint64 public endTime;
    uint16[] public splitsBps;  // Basis points (10000 = 100%)
    address public creator;
    IHyperCoreHelper public hyperHelper;
    address public admin;

    // State
    mapping(address => Participant) public participants;
    address[] public participantList;
    mapping(address => bool) public whitelist;
    bool public whitelistEnabled;
    uint256 public prizePool;
    bool public finalized;
    bool public canceled;
    address[] public winners;
    mapping(address => uint256) public winnerShares;
    uint64 public finalizeTimestamp;

    // Constants
    uint256 private constant BASIS_POINTS = 10000;
    uint64 private constant UNCLAIMED_SWEEP_PERIOD = 30 days;

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /**
     * @notice Initialize the challenge (called by factory)
     * @param _prizeToken ERC20 token for prize pool
     * @param _requiredContribution Amount each participant must contribute
     * @param _requiredStartingBalance Required starting balance on HyperCore
     * @param _startTime Challenge start timestamp
     * @param _endTime Challenge end timestamp
     * @param _splitsBps Array of basis points for prize distribution
     * @param _whitelist Array of whitelisted addresses (empty for open registration)
     * @param _creator Address of challenge creator
     * @param _hyperHelper HyperCore helper contract address
     * @param _admin Deltadash admin address
     */
    function initialize(
        address _prizeToken,
        uint256 _requiredContribution,
        uint256 _requiredStartingBalance,
        uint64 _startTime,
        uint64 _endTime,
        uint16[] memory _splitsBps,
        address[] memory _whitelist,
        address _creator,
        address _hyperHelper,
        address _admin
    ) external initializer {
        if (_prizeToken == address(0)) revert InvalidPrizeToken();
        if (_startTime >= _endTime) revert InvalidTimeRange();
        if (_startTime <= block.timestamp) revert StartTimeMustBeInFuture();
        if (_splitsBps.length == 0) revert MustHaveAtLeastOneWinner();
        // TODO: Re-enable when HyperCore helper contract is available
        // if (_hyperHelper == address(0)) revert InvalidHelperAddress();
        if (_admin == address(0)) revert InvalidAdminAddress();

        // Verify splits sum to 100%
        uint256 totalBps = 0;
        for (uint256 i = 0; i < _splitsBps.length; i++) {
            totalBps += _splitsBps[i];
        }
        if (totalBps != BASIS_POINTS) revert SplitsMustSumTo10000Bps();

        __AccessControl_init();
        __ReentrancyGuard_init();

        _grantRole(DEFAULT_ADMIN_ROLE, _admin);

        prizeToken = IERC20(_prizeToken);
        requiredContribution = _requiredContribution;
        requiredStartingBalance = _requiredStartingBalance;
        startTime = _startTime;
        endTime = _endTime;
        splitsBps = _splitsBps;
        creator = _creator;
        // TODO: Re-enable when HyperCore helper contract is available
        // hyperHelper = IHyperCoreHelper(_hyperHelper);
        admin = _admin;

        // Setup whitelist if provided
        if (_whitelist.length > 0) {
            whitelistEnabled = true;
            for (uint256 i = 0; i < _whitelist.length; i++) {
                whitelist[_whitelist[i]] = true;
            }
        }

        emit ChallengeInitialized(
            _prizeToken,
            _requiredContribution,
            _requiredStartingBalance,
            _startTime,
            _endTime,
            _splitsBps,
            _whitelist.length,
            _creator
        );
    }

    /**
     * @notice Register for the challenge with prize contribution and balance verification
     * @param primary Primary (root) wallet address
     * @param proxy Privy-created proxy trading address on HyperCore
     */
    function register(address primary, address proxy) external nonReentrant {
        if (block.timestamp >= startTime) revert RegistrationClosed();
        if (participants[primary].primary != address(0)) revert AlreadyRegistered();
        if (whitelistEnabled && !whitelist[primary]) revert NotWhitelisted();
        if (primary == address(0) || proxy == address(0)) revert InvalidAddresses();

        // TODO: Re-enable when HyperCore helper contract is available
        // Verify starting balance on HyperCore via helper
        // uint256 balance = hyperHelper.accountEquity(proxy);
        // if (balance != requiredStartingBalance) revert IncorrectStartingBalance();

        // Transfer prize contribution from msg.sender
        prizeToken.safeTransferFrom(msg.sender, address(this), requiredContribution);

        // Record participant
        participants[primary] = Participant({
            primary: primary,
            proxy: proxy,
            depositPaid: requiredContribution,
            registeredAt: uint64(block.timestamp),
            disqualified: false,
            claimed: false,
            refunded: false
        });

        participantList.push(primary);
        prizePool += requiredContribution;

        emit Registered(primary, proxy, requiredContribution);
    }

    /**
     * @notice Register for the challenge with a single transaction using a permit signature
     * @param primary Primary (root) wallet address
     * @param proxy Privy-created proxy trading address on HyperCore
     * @param deadline The deadline for the permit signature
     * @param v The recovery id of the signature
     * @param r The r-value of the signature
     * @param s The s-value of the signature
     */
    function registerWithPermit(
        address primary,
        address proxy,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external nonReentrant {
        if (block.timestamp >= startTime) revert RegistrationClosed();
        if (participants[primary].primary != address(0)) revert AlreadyRegistered();
        if (whitelistEnabled && !whitelist[primary]) revert NotWhitelisted();
        if (primary == address(0) || proxy == address(0)) revert InvalidAddresses();

        // Use permit to approve the transfer
        IERC20Permit(address(prizeToken)).permit(
            msg.sender,
            address(this),
            requiredContribution,
            deadline,
            v,
            r,
            s
        );

        // Transfer prize contribution
        prizeToken.safeTransferFrom(msg.sender, address(this), requiredContribution);

        // Record participant
        participants[primary] = Participant({
            primary: primary,
            proxy: proxy,
            depositPaid: requiredContribution,
            registeredAt: uint64(block.timestamp),
            disqualified: false,
            claimed: false,
            refunded: false
        });

        participantList.push(primary);
        prizePool += requiredContribution;

        emit Registered(primary, proxy, requiredContribution);
    }

    /**
     * @notice Disqualify a participant (admin only)
     * @param primary Primary address of participant to disqualify
     * @param reasonHash Hash of disqualification reason
     */
    function disqualify(address primary, bytes32 reasonHash) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (participants[primary].primary == address(0)) revert NotAParticipant();
        participants[primary].disqualified = true;
        emit Disqualified(primary, reasonHash);
    }

    /**
     * @notice Finalize challenge and set winners (admin only)
     * @param winnersOrdered Array of winner addresses in order (1st, 2nd, 3rd, etc.)
     */
    function finalizeAndSetWinners(address[] calldata winnersOrdered) 
        external 
        onlyRole(DEFAULT_ADMIN_ROLE) 
    {
        if (block.timestamp < endTime) revert ChallengeNotEnded();
        if (finalized) revert AlreadyFinalized();
        if (canceled) revert ChallengeCanceled();
        if (winnersOrdered.length != splitsBps.length) revert WinnersCountMismatch();

        // Validate winners and compute shares
        for (uint256 i = 0; i < winnersOrdered.length; i++) {
            address winner = winnersOrdered[i];
            if (participants[winner].primary == address(0)) revert WinnerNotRegistered();
            if (participants[winner].disqualified) revert WinnerIsDisqualified();
            
            uint256 share = (prizePool * splitsBps[i]) / BASIS_POINTS;
            winnerShares[winner] += share;  // Accumulate for multi-placement winners
        }

        winners = winnersOrdered;
        finalized = true;
        finalizeTimestamp = uint64(block.timestamp);

        // Prepare shares array for event
        uint256[] memory shares = new uint256[](winnersOrdered.length);
        for (uint256 i = 0; i < winnersOrdered.length; i++) {
            shares[i] = winnerShares[winnersOrdered[i]];
        }

        emit Finalized(winnersOrdered, shares, prizePool);
    }

    /**
     * @notice Claim prize winnings (winners only)
     */
    function claim() external nonReentrant {
        address primary = msg.sender;
        if (!finalized) revert NotFinalized();
        if (participants[primary].primary == address(0)) revert NotAParticipant();
        if (winnerShares[primary] == 0) revert NotAWinner();
        if (participants[primary].claimed) revert AlreadyClaimed();
        if (participants[primary].disqualified) revert ParticipantDisqualified();

        participants[primary].claimed = true;
        uint256 amount = winnerShares[primary];

        prizeToken.safeTransfer(primary, amount);

        emit Claimed(primary, amount);
    }

    /**
     * @notice Sweep unclaimed prizes to admin after 30 days (admin only)
     */
    function sweepUnclaimedToAdmin() external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (!finalized) revert NotFinalized();
        if (block.timestamp < finalizeTimestamp + UNCLAIMED_SWEEP_PERIOD) revert SweepPeriodNotReached();

        uint256 balance = prizeToken.balanceOf(address(this));
        if (balance == 0) revert NoFundsToSweep();

        prizeToken.safeTransfer(admin, balance);

        emit Swept(balance);
    }

    /**
     * @notice Cancel challenge and enable refunds (admin only)
     */
    function abortAndEnableRefunds() external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (finalized) revert AlreadyFinalized();
        if (canceled) revert AlreadyCanceled();

        canceled = true;
        emit Canceled();
    }

    /**
     * @notice Claim refund after challenge cancellation
     */
    function claimRefund() external nonReentrant {
        if (!canceled) revert NotCanceled();
        
        address primary = msg.sender;
        Participant storage participant = participants[primary];
        
        if (participant.primary == address(0)) revert NotAParticipant();
        if (participant.refunded) revert AlreadyRefunded();
        if (participant.depositPaid == 0) revert NoDepositToRefund();

        participant.refunded = true;
        uint256 amount = participant.depositPaid;

        prizeToken.safeTransfer(primary, amount);

        emit Refunded(primary, amount);
    }

    /**
     * @notice Batch refund for canceled challenges (admin helper)
     * @param primaries Array of participant addresses to refund
     */
    function batchRefund(address[] calldata primaries) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (!canceled) revert NotCanceled();

        for (uint256 i = 0; i < primaries.length; i++) {
            address primary = primaries[i];
            Participant storage participant = participants[primary];
            
            if (participant.primary != address(0) && 
                !participant.refunded && 
                participant.depositPaid > 0) {
                
                participant.refunded = true;
                uint256 amount = participant.depositPaid;
                
                prizeToken.safeTransfer(primary, amount);
                emit Refunded(primary, amount);
            }
        }
    }

    // ============ View Functions ============

    /**
     * @notice Get challenge parameters
     */
    function getParams() external view returns (
        address _prizeToken,
        uint256 _requiredContribution,
        uint256 _requiredStartingBalance,
        uint64 _startTime,
        uint64 _endTime,
        uint16[] memory _splitsBps,
        address _creator
    ) {
        return (
            address(prizeToken),
            requiredContribution,
            requiredStartingBalance,
            startTime,
            endTime,
            splitsBps,
            creator
        );
    }

    /**
     * @notice Get number of participants
     */
    function participantsCount() external view returns (uint256) {
        return participantList.length;
    }

    /**
     * @notice Get participant address at index
     */
    function participantAt(uint256 index) external view returns (address) {
        if (index >= participantList.length) revert IndexOutOfBounds();
        return participantList[index];
    }

    /**
     * @notice Get participant details
     */
    function getParticipant(address primary) external view returns (
        address _primary,
        address _proxy,
        uint256 _depositPaid,
        uint64 _registeredAt,
        bool _disqualified,
        bool _claimed,
        bool _refunded
    ) {
        Participant memory p = participants[primary];
        return (
            p.primary,
            p.proxy,
            p.depositPaid,
            p.registeredAt,
            p.disqualified,
            p.claimed,
            p.refunded
        );
    }

    /**
     * @notice Check if address is whitelisted
     */
    function isWhitelisted(address addr) external view returns (bool) {
        if (!whitelistEnabled) return true;
        return whitelist[addr];
    }

    /**
     * @notice Get winners and their shares
     */
    function getWinners() external view returns (address[] memory, uint256[] memory) {
        uint256[] memory shares = new uint256[](winners.length);
        for (uint256 i = 0; i < winners.length; i++) {
            shares[i] = winnerShares[winners[i]];
        }
        return (winners, shares);
    }

    /**
     * @notice Get all splits in basis points
     */
    function getSplitsBps() external view returns (uint16[] memory) {
        return splitsBps;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/**
 * @title IHyperCoreHelper
 * @notice Interface for the HyperCore <-> HyperEVM helper contract
 * @dev This interface allows reading balances and account equity from HyperCore
 * The actual implementation is provided by Hyperliquid
 */
interface IHyperCoreHelper {
    /**
     * @notice Get the token balance for a proxy address on HyperCore
     * @param proxy The trading proxy address to query
     * @param token The token address (0x0 for native, or token contract address)
     * @return The balance in the token's native decimals
     */
    function balanceOf(address proxy, address token) external view returns (uint256);

    /**
     * @notice Get the total account equity for a proxy address on HyperCore
     * @param proxy The trading proxy address to query
     * @return The total account equity (typically in USD with 6 decimals)
     */
    function accountEquity(address proxy) external view returns (uint256);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "viaIR": true,
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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0000000000000000000000005d9310ed92ba615fcfd62941727059660eef5533

-----Decoded View---------------
Arg [0] : _admin (address): 0x5d9310eD92bA615fCFD62941727059660EEF5533

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005d9310ed92ba615fcfd62941727059660eef5533