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// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/*
  ______                       _______                             __ 
 /      \                     |       \                           |  \
|  ¦¦¦¦¦¦\  ______    ______  | ¦¦¦¦¦¦¦\  ______   _______    ____| ¦¦
| ¦¦__| ¦¦ /      \  /      \ | ¦¦__/ ¦¦ /      \ |       \  /      ¦¦
| ¦¦    ¦¦|  ¦¦¦¦¦¦\|  ¦¦¦¦¦¦\| ¦¦    ¦¦|  ¦¦¦¦¦¦\| ¦¦¦¦¦¦¦\|  ¦¦¦¦¦¦¦
| ¦¦¦¦¦¦¦¦| ¦¦  | ¦¦| ¦¦    ¦¦| ¦¦¦¦¦¦¦\| ¦¦  | ¦¦| ¦¦  | ¦¦| ¦¦  | ¦¦
| ¦¦  | ¦¦| ¦¦__/ ¦¦| ¦¦¦¦¦¦¦¦| ¦¦__/ ¦¦| ¦¦__/ ¦¦| ¦¦  | ¦¦| ¦¦__| ¦¦
| ¦¦  | ¦¦| ¦¦    ¦¦ \¦¦     \| ¦¦    ¦¦ \¦¦    ¦¦| ¦¦  | ¦¦ \¦¦    ¦¦
 \¦¦   \¦¦| ¦¦¦¦¦¦¦   \¦¦¦¦¦¦¦ \¦¦¦¦¦¦¦   \¦¦¦¦¦¦  \¦¦   \¦¦  \¦¦¦¦¦¦¦
          | ¦¦                                                        
          | ¦¦                                                        
           \¦¦                                                         
 * App:             https://Ape.Bond
 * Medium:          https://ApeBond.medium.com
 * Twitter:         https://twitter.com/ApeBond
 * Telegram:        https://t.me/ape_bond
 * Announcements:   https://t.me/ApeBond_news
 * Discord:         https://ApeBond.click/discord
 * Reddit:          https://ApeBond.click/reddit
 * Instagram:       https://instagram.com/ape.bond
 * GitHub:          https://github.com/ApeSwapFinance
 */

import "./ApeBondFactoryBase.sol";
import "../Errors.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

contract ApeBondFactory is Initializable, ApeBondFactoryBase {
    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {}

    function initialize(
        address _bondImplementationAddress,
        address _treasuryImplementationAddress,
        address[] memory _bondCreators
    ) external initializer {
        __ApeBondFactoryBase_init(_bondImplementationAddress, _treasuryImplementationAddress, _bondCreators);
    }

    /* ======== FACTORY FUNCTIONS ======== */

    /**
        @notice deploys IBondTreasury and IApeBond contracts
        @param _bondCreationDetails IApeBond.BondCreationDetails
        @param _bondTerms IApeBond.BondTerms 
        @param _payoutAddress account which receives deposited tokens
        @param _bondOperators accounts allowed to adjust the bond
     */
    function createBondAndTreasury(
        IApeBond.BondCreationDetails calldata _bondCreationDetails,
        IApeBond.BondTerms calldata _bondTerms,
        IApeBond.BondAccounts calldata _bondAccounts,
        address _payoutAddress,
        address[] calldata _bondOperators
    ) external onlyRole(BOND_CREATOR_ROLE) returns (IBondTreasury _customTreasury, IApeBond _bond) {
        _customTreasury = _createTreasury(
            _bondCreationDetails.payoutToken,
            _bondCreationDetails.initialOwner,
            _payoutAddress,
            _bondOperators
        );

        return _createBond(_bondCreationDetails, _bondTerms, _bondAccounts, _customTreasury, _bondOperators);
    }

    /**
        @notice deploys IApeBond contract
        @param _bondCreationDetails IApeBond.BondCreationDetails
        @param _bondTerms IApeBond.BondTerms
        @param _customTreasury address of IBondTreasury linked to this bond
        @param _bondOperators accounts allowed to adjust the bond
     */
    function createBond(
        IApeBond.BondCreationDetails calldata _bondCreationDetails,
        IApeBond.BondTerms calldata _bondTerms,
        IApeBond.BondAccounts calldata _bondAccounts,
        IBondTreasury _customTreasury,
        address[] calldata _bondOperators
    ) external onlyRole(BOND_CREATOR_ROLE) returns (IBondTreasury _treasury, IApeBond _bond) {
        return _createBond(_bondCreationDetails, _bondTerms, _bondAccounts, _customTreasury, _bondOperators);
    }

    /**
        @notice deploys IBondTreasury contract
     */
    function createTreasury(
        address _payoutToken,
        address _initialOwner,
        address _payoutAddress,
        address[] calldata _bondOperators
    ) external onlyRole(BOND_CREATOR_ROLE) returns (IBondTreasury _customTreasury) {
        return _createTreasury(_payoutToken, _initialOwner, _payoutAddress, _bondOperators);
    }

    /* ======== HELPER FUNCTIONS ======== */

    /**
     * @notice helper function to create an IApeBond.BondCreationDetails tuple for BondTreasury and ApeBond deployments
     */
    function getBondCreationDetails(
        address _payoutToken,
        address _principalToken,
        address _initialOwner,
        IVestingCurve _vestingCurve,
        uint256 _feeInPrincipal,
        uint256 _feeInPayout
    ) public pure returns (IApeBond.BondCreationDetails memory) {
        return
            IApeBond.BondCreationDetails({
                payoutToken: _payoutToken,
                principalToken: _principalToken,
                initialOwner: _initialOwner,
                vestingCurve: _vestingCurve,
                feeInPrincipal: _feeInPrincipal,
                feeInPayout: _feeInPayout
            });
    }

    /**
     * @notice helper function to create an IApeBond.BondTerms tuple for BondTreasury and ApeBond deployments
     */
    function getBondTerms(
        uint256 _controlVariable,
        uint256 _vestingTerm,
        uint256 _minimumPrice,
        uint256 _maxPayout,
        uint256 _maxDebt,
        uint256 _maxTotalPayout,
        uint256 _initialDebt
    ) public pure returns (IApeBond.BondTerms memory) {
        return
            IApeBond.BondTerms({
                controlVariable: _controlVariable,
                vestingTerm: _vestingTerm,
                minimumPrice: _minimumPrice,
                maxPayout: _maxPayout,
                maxDebt: _maxDebt,
                maxTotalPayout: _maxTotalPayout,
                initialDebt: _initialDebt
            });
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlEnumerableUpgradeable.sol";
import "./AccessControlUpgradeable.sol";
import "../utils/structs/EnumerableSetUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

    mapping(bytes32 => EnumerableSetUpgradeable.AddressSet) private _roleMembers;

    function __AccessControlEnumerable_init() internal onlyInitializing {
    }

    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerableUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../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, IAccessControlUpgradeable, ERC165Upgradeable {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

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

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(account),
                        " is missing role ",
                        StringsUpgradeable.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @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 override returns (bytes32) {
        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 override 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 override 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 `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

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

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControlEnumerable.sol)

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerableUpgradeable is IAccessControlUpgradeable {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @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 signaling this.
     *
     * _Available since v3.1._
     */
    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, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    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 `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

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

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

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

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

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

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

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

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @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 Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

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

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 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 functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _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 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _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() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @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 {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;
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;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

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

pragma solidity ^0.8.0;

import "./math/MathUpgradeable.sol";
import "./math/SignedMathUpgradeable.sol";

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = MathUpgradeable.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMathUpgradeable.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, MathUpgradeable.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 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);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @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[EIP 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
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library MathUpgradeable {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // ? `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // ? `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10 ** 64) {
                value /= 10 ** 64;
                result += 64;
            }
            if (value >= 10 ** 32) {
                value /= 10 ** 32;
                result += 32;
            }
            if (value >= 10 ** 16) {
                value /= 10 ** 16;
                result += 16;
            }
            if (value >= 10 ** 8) {
                value /= 10 ** 8;
                result += 8;
            }
            if (value >= 10 ** 4) {
                value /= 10 ** 4;
                result += 4;
            }
            if (value >= 10 ** 2) {
                value /= 10 ** 2;
                result += 2;
            }
            if (value >= 10 ** 1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMathUpgradeable {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSetUpgradeable {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 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.
 *
 * _Available since v3.4._
 */
library Clones {
    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // 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(0, 0x09, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // 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(0, 0x09, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        /// @solidity memory-safe-assembly
        assembly {
            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 := keccak256(add(ptr, 0x43), 0x55)
        }
    }

    /**
     * @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));
    }
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/*
  ______                       _______                             __ 
 /      \                     |       \                           |  \
|  ¦¦¦¦¦¦\  ______    ______  | ¦¦¦¦¦¦¦\  ______   _______    ____| ¦¦
| ¦¦__| ¦¦ /      \  /      \ | ¦¦__/ ¦¦ /      \ |       \  /      ¦¦
| ¦¦    ¦¦|  ¦¦¦¦¦¦\|  ¦¦¦¦¦¦\| ¦¦    ¦¦|  ¦¦¦¦¦¦\| ¦¦¦¦¦¦¦\|  ¦¦¦¦¦¦¦
| ¦¦¦¦¦¦¦¦| ¦¦  | ¦¦| ¦¦    ¦¦| ¦¦¦¦¦¦¦\| ¦¦  | ¦¦| ¦¦  | ¦¦| ¦¦  | ¦¦
| ¦¦  | ¦¦| ¦¦__/ ¦¦| ¦¦¦¦¦¦¦¦| ¦¦__/ ¦¦| ¦¦__/ ¦¦| ¦¦  | ¦¦| ¦¦__| ¦¦
| ¦¦  | ¦¦| ¦¦    ¦¦ \¦¦     \| ¦¦    ¦¦ \¦¦    ¦¦| ¦¦  | ¦¦ \¦¦    ¦¦
 \¦¦   \¦¦| ¦¦¦¦¦¦¦   \¦¦¦¦¦¦¦ \¦¦¦¦¦¦¦   \¦¦¦¦¦¦  \¦¦   \¦¦  \¦¦¦¦¦¦¦
          | ¦¦                                                        
          | ¦¦                                                        
           \¦¦                                                         
 * App:             https://Ape.Bond
 * Medium:          https://ApeBond.medium.com
 * Twitter:         https://twitter.com/ApeBond
 * Telegram:        https://t.me/ape_bond
 * Announcements:   https://t.me/ApeBond_news
 * Discord:         https://ApeBond.click/discord
 * Reddit:          https://ApeBond.click/reddit
 * Instagram:       https://instagram.com/ape.bond
 * GitHub:          https://github.com/ApeSwapFinance
 */

import "@openzeppelin/contracts/proxy/Clones.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "../ApeBondAccessControlUpgradeable.sol";
import "../interfaces/IVersionable.sol";
import "./IApeBond.sol";
import "../IBondTreasury.sol";
import "../IBondNft.sol";
import "../Errors.sol";

contract ApeBondFactoryBase is IVersionable, Initializable, OwnableUpgradeable, ApeBondAccessControlUpgradeable {
    /* ======== STATE VARIABLES ======== */

    IApeBond public bondImplementationAddress;
    IBondTreasury public treasuryImplementationAddress;
    IApeBond[] public deployedBonds;
    IBondTreasury[] public deployedTreasuries;

    bytes32 public constant BOND_CREATOR_ROLE = keccak256("BOND_CREATOR_ROLE");

    event CreatedTreasury(IBondTreasury customTreasury, address payoutToken, address owner, address payoutAddress);

    event CreatedBond(
        IApeBond.BondCreationDetails bondCreationDetails,
        IBondTreasury customTreasury,
        IApeBond bond,
        address bondNft
    );

    event SetBondImplementation(IApeBond newBondImplementation);
    event SetTreasuryImplementation(IBondTreasury newTreasuryImplementation);

    /* ======== INITIALIZATION ======== */

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

    function __ApeBondFactoryBase_init(
        address _bondImplementationAddress,
        address _treasuryImplementationAddress,
        address[] memory _bondCreators
    ) internal onlyInitializing {
        __Ownable_init();
        __AccessControlEnumerable_init();

        if (_bondImplementationAddress == address(0)) revert ZeroAddress();
        bondImplementationAddress = IApeBond(_bondImplementationAddress);
        if (_treasuryImplementationAddress == address(0)) revert ZeroAddress();
        treasuryImplementationAddress = IBondTreasury(_treasuryImplementationAddress);

        for (uint i = 0; i < _bondCreators.length; i++) {
            _grantRole(BOND_CREATOR_ROLE, _bondCreators[i]);
        }
    }

    function VERSION() public view returns (string memory) {
        return bondImplementationAddress.VERSION();
    }

    function totalDeployed() external view returns (uint256 _bondsDeployed, uint256 _treasuriesDeployed) {
        return (deployedBonds.length, deployedTreasuries.length);
    }

    /* ======== OWNER CONFIGURATIONS ======== */
    /**
     * @notice Set the ApeBond implementation address
     * @param _bondImplementation Implementation of ApeBond
     */
    function setBondImplementation(IApeBond _bondImplementation) external onlyOwnerOrRole(OPERATIONS_ROLE) {
        bondImplementationAddress = _bondImplementation;
        emit SetBondImplementation(bondImplementationAddress);
    }

    /**
     * @notice Set the BondTreasury implementation address
     * @param _treasuryImplementation Implementation of BondTreasury
     */
    function setTreasuryImplementation(
        IBondTreasury _treasuryImplementation
    ) external onlyOwnerOrRole(OPERATIONS_ROLE) {
        treasuryImplementationAddress = _treasuryImplementation;
        emit SetTreasuryImplementation(treasuryImplementationAddress);
    }

    /**
     * @notice Grant the ability to create Treasury Bonds
     * @param _bondCreators Array of addresses to whitelist as bond creators
     */
    function grantBondCreatorRole(address[] calldata _bondCreators) external onlyOwnerOrRole(OPERATIONS_ROLE) {
        for (uint i = 0; i < _bondCreators.length; i++) {
            _grantRole(BOND_CREATOR_ROLE, _bondCreators[i]);
        }
    }

    /**
     * @notice Revoke the ability to create Treasury Bonds
     * @param _bondCreators Array of addresses to revoke as bond creators
     */
    function revokeBondCreatorRole(address[] calldata _bondCreators) external onlyOwnerOrRole(OPERATIONS_ROLE) {
        for (uint i = 0; i < _bondCreators.length; i++) {
            _revokeRole(BOND_CREATOR_ROLE, _bondCreators[i]);
        }
    }

    /* ======== INTERNAL FUNCTIONS ======== */

    function _createTreasury(
        address _payoutToken,
        address _owner,
        address _payoutAddress,
        address[] calldata _bondOperators
    ) internal returns (IBondTreasury _customTreasury) {
        _customTreasury = IBondTreasury(Clones.clone(address(treasuryImplementationAddress)));
        _customTreasury.initialize(_payoutToken, _owner, _payoutAddress, _bondOperators);

        deployedTreasuries.push(_customTreasury);
        emit CreatedTreasury(_customTreasury, _payoutToken, _owner, _payoutAddress);
    }

    /**
        @notice deploys custom bond contract and returns address of the bond and its treasury
        @param _bondCreationDetails BondCreationDetails
        @param _customTreasury address
     */
    function _createBond(
        IApeBond.BondCreationDetails memory _bondCreationDetails,
        IApeBond.BondTerms memory _bondTerms,
        IApeBond.BondAccounts memory _bondAccounts,
        IBondTreasury _customTreasury,
        address[] memory _bondOperators
    ) internal returns (IBondTreasury _treasury, IApeBond _bond) {
        if (_customTreasury.payoutToken() != _bondCreationDetails.payoutToken) revert PayoutTokenAddressMismatch();
        IApeBond bond = IApeBond(Clones.clone(address(bondImplementationAddress)));
        bond.initialize(_customTreasury, _bondCreationDetails, _bondTerms, _bondAccounts, _bondOperators);

        IBondNft(_bondAccounts.billNft).addMinter(address(bond));
        deployedBonds.push(bond);

        emit CreatedBond(_bondCreationDetails, _customTreasury, bond, _bondAccounts.billNft);

        return (_customTreasury, IApeBond(bond));
    }
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

import {IERC20MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol";
import {IBondTreasury} from "../IBondTreasury.sol";
import {IVestingCurve} from "../curves/IVestingCurve.sol";
import {IVersionable} from "../interfaces/IVersionable.sol";

interface IApeBond is IVersionable {
    /// @notice Info for bill holder
    /// @param payout Total payout value
    /// @param payoutClaimed Amount of payout claimed
    /// @param vesting Seconds left until vesting is complete
    /// @param vestingTerm Length of vesting in seconds
    /// @param vestingStartTimestamp Timestamp at start of vesting
    /// @param lastClaimTimestamp Last timestamp interaction
    /// @param truePricePaid Price paid (principal tokens per payout token) in ten-millionths - 4000000 = 0.4
    struct Bill {
        uint256 payout;
        uint256 payoutClaimed;
        uint256 vesting;
        uint256 vestingTerm;
        uint256 vestingStartTimestamp;
        uint256 lastClaimTimestamp;
        uint256 truePricePaid;
    }

    struct BondTerms {
        uint256 controlVariable;
        uint256 vestingTerm;
        uint256 minimumPrice;
        uint256 maxPayout;
        uint256 maxDebt;
        uint256 maxTotalPayout;
        uint256 initialDebt;
    }

    /// @notice Details required to create a new bill
    /// @param payoutToken The token in which the payout will be made
    /// @param principalToken The token used to purchase the bill
    /// @param initialOwner The initial owner of the bill
    /// @param vestingCurve The vesting curve contract used for the bill
    /// @param tierCeilings The ceilings of each tier for the bill
    /// @param fees The fees associated with each tier
    /// @param feeInPayout Boolean indicating if the fee is taken from the payout
    struct BondCreationDetails {
        address payoutToken;
        address principalToken;
        address initialOwner;
        IVestingCurve vestingCurve;
        uint256 feeInPrincipal;
        uint256 feeInPayout;
    }

    /// @notice Important accounts related to a ApeBond
    /// @param feeInPrincipalRecipient Account which receives the principal token fees
    /// @param feeInPayoutRecipient Account which receives the payout token fees
    /// @param automationAddress Automation address
    /// @param billNft BillNFT contract which mints the NFTs
    struct BondAccounts {
        address feeInPrincipalRecipient;
        address feeInPayoutRecipient;
        address automationAddress;
        address billNft;
    }

    function initialize(
        IBondTreasury _customTreasury,
        BondCreationDetails memory _billCreationDetails,
        BondTerms memory _billTerms,
        BondAccounts memory _billAccounts,
        address[] memory _billOperators
    ) external;

    function getBillInfo(uint256 billId) external view returns (Bill memory);

    function customTreasury() external returns (IBondTreasury);

    function claim(uint256 billId) external returns (uint256);

    function pendingVesting(uint256 billId) external view returns (uint256);

    function pendingPayout(uint256 billId) external view returns (uint256);

    function vestingPeriod(uint256 billId) external view returns (uint256 vestingStart_, uint256 vestingEnd_);

    function vestingPayout(uint256 billId) external view returns (uint256 vestingPayout_);

    function vestedPayoutAtTime(uint256 billId, uint256 timestamp) external view returns (uint256 vestedPayout_);

    function claimablePayout(uint256 billId) external view returns (uint256 claimablePayout_);

    function payoutToken() external view returns (IERC20MetadataUpgradeable);

    function principalToken() external view returns (IERC20MetadataUpgradeable);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/*
  ______                       _______                             __ 
 /      \                     |       \                           |  \
|  ¦¦¦¦¦¦\  ______    ______  | ¦¦¦¦¦¦¦\  ______   _______    ____| ¦¦
| ¦¦__| ¦¦ /      \  /      \ | ¦¦__/ ¦¦ /      \ |       \  /      ¦¦
| ¦¦    ¦¦|  ¦¦¦¦¦¦\|  ¦¦¦¦¦¦\| ¦¦    ¦¦|  ¦¦¦¦¦¦\| ¦¦¦¦¦¦¦\|  ¦¦¦¦¦¦¦
| ¦¦¦¦¦¦¦¦| ¦¦  | ¦¦| ¦¦    ¦¦| ¦¦¦¦¦¦¦\| ¦¦  | ¦¦| ¦¦  | ¦¦| ¦¦  | ¦¦
| ¦¦  | ¦¦| ¦¦__/ ¦¦| ¦¦¦¦¦¦¦¦| ¦¦__/ ¦¦| ¦¦__/ ¦¦| ¦¦  | ¦¦| ¦¦__| ¦¦
| ¦¦  | ¦¦| ¦¦    ¦¦ \¦¦     \| ¦¦    ¦¦ \¦¦    ¦¦| ¦¦  | ¦¦ \¦¦    ¦¦
 \¦¦   \¦¦| ¦¦¦¦¦¦¦   \¦¦¦¦¦¦¦ \¦¦¦¦¦¦¦   \¦¦¦¦¦¦  \¦¦   \¦¦  \¦¦¦¦¦¦¦
          | ¦¦                                                        
          | ¦¦                                                        
           \¦¦                                                         
 * App:             https://Ape.Bond
 * Medium:          https://ApeBond.medium.com
 * Twitter:         https://twitter.com/ApeBond
 * Telegram:        https://t.me/ape_bond
 * Announcements:   https://t.me/ApeBond_news
 * Discord:         https://ApeBond.click/discord
 * Reddit:          https://ApeBond.click/reddit
 * Instagram:       https://instagram.com/ape.bond
 * GitHub:          https://github.com/ApeSwapFinance
 */

import "@openzeppelin/contracts-upgradeable/access/AccessControlEnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";

/**
 * @title ApeBondAccessControlUpgradeable
 * @notice This contract manages the ownership and role based access for ApeBond contracts
 */
contract ApeBondAccessControlUpgradeable is OwnableUpgradeable, AccessControlEnumerableUpgradeable {
    /* ======== STATE ======== */

    /// @notice Operations role, used to adjust specific settings on the bond
    bytes32 public constant OPERATIONS_ROLE = keccak256("OPERATIONS_ROLE");

    /// @notice Automation role, used to manage automation
    bytes32 public constant AUTOMATION_ROLE = keccak256("AUTOMATION_ROLE");

    /* ======== INITIALIZATION ======== */

    function __ApeBondAccessControlUpgradeable__init(
        address _initialOwner,
        address _automationAddress,
        address[] calldata _bondOperators
    ) internal onlyInitializing {
        __Ownable_init();
        _transferOwnership(_initialOwner);
        _grantRole(AUTOMATION_ROLE, _automationAddress);
        for (uint256 i = 0; i < _bondOperators.length; i++) {
            _grantRole(OPERATIONS_ROLE, _bondOperators[i]);
        }
    }

    /* ======== MODIFIERS ======== */

    modifier onlyOwnerOrRole(bytes32 role1) {
        require(msg.sender == owner() || hasRole(role1, msg.sender), "Caller is not owner or has required role");
        _;
    }

    modifier onlyOwnerOrRoles(bytes32 role1, bytes32 role2) {
        require(
            msg.sender == owner() || hasRole(role1, msg.sender) || hasRole(role2, msg.sender),
            "Caller is not owner or has required role"
        );
        _;
    }

    /* ======== onlyOwner FUNCTIONS ======== */

    /**
     * @notice Grant a role
     * @param role The role to grant
     * @param account The address to grant the role to
     */
    function grantRole(
        bytes32 role,
        address account
    ) public override(AccessControlUpgradeable, IAccessControlUpgradeable) onlyOwner {
        _grantRole(role, account);
    }
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/// @notice General errors
error ZeroAddress();
error Unauthorized();
error LengthMismatch();
error InvalidAmount();
error InvalidTimestamp();
error InvalidParameter();
error InvalidState();
error InvalidAddress();
error InvalidContract();
error InvalidRole();
error InvalidOperation();

/// @notice ApeBond specific errors
error SlippageExceeded();
error BondTooSmall();
error BondTooLarge();
error MaxCapacityReached();
error MaxTotalPayoutExceeded();
error NothingToClaim();
error InvalidBondId();
error NotApproved();
error VestingTooShort();
error ControlVariableTooLow();
error TargetMustBeAboveZero();
error TooSoonForBCVUpdate();
error IncrementTooLarge();
error DecrementTooLarge();
error DebtMustBeZero();
error InvalidPointsLens();
error NoTierAccess();
error InvalidBCV();
error UpdateIntervalNotElapsed();
error InvalidUpdateInterval();
/// @notice Factory specific errors
error NotBondCreator();
error BondStateNotChanged();
error TreasuryAddressMismatch();
error PayoutTokenAddressMismatch();
error TierLengthMismatch();
error InvalidFee();
error InvalidTierOrder();

/// @notice Treasury specific errors
error NotBondContract();
error FeeCannotBeSentToZeroAddress();

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

import {IERC721EnumerableUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721EnumerableUpgradeable.sol";
import {IERC5725Upgradeable} from "./interfaces/IERC5725.sol";

interface IBondNft is IERC5725Upgradeable, IERC721EnumerableUpgradeable {
    struct TokenData {
        uint256 tokenId;
        address billAddress;
    }

    function addMinter(address minter) external;

    function mint(address to, address billAddress) external returns (uint256);

    function mintMany(uint256 amount, address to, address billAddress) external;

    function lockURI() external;

    function setTokenURI(uint256 tokenId, string memory _tokenURI) external;

    function claimMany(uint256[] calldata _tokenIds) external;

    function pendingPayout(uint256 tokenId) external view returns (uint256 pendingPayoutAmount);

    function pendingVesting(uint256 tokenId) external view returns (uint256 pendingSeconds);

    function allTokensDataOfOwner(address owner) external view returns (TokenData[] memory);

    function getTokensOfOwnerByIndexes(
        address owner,
        uint256 start,
        uint256 end
    ) external view returns (TokenData[] memory);

    function tokenDataOfOwnerByIndex(address owner, uint256 index) external view returns (TokenData memory tokenData);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

interface IBondTreasury {
    function deposit(
        address _principalTokenAddress,
        uint256 _amountPrincipalToken,
        uint256 _amountPayoutToken
    ) external;

    function deposit_FeeInPayout(
        address _principalTokenAddress,
        uint256 _amountPrincipalToken,
        uint256 _amountPayoutToken,
        uint256 _feePayoutToken,
        address _feeReceiver
    ) external;

    function initialize(
        address _payoutToken,
        address _initialOwner,
        address _payoutAddress,
        address[] calldata _bondOperators
    ) external;

    function valueOfToken(address _principalTokenAddress, uint256 _amount) external view returns (uint256 value_);

    function payoutToken() external view returns (address token);

    function bondContract(address _bondContract) external returns (bool);

    function transferPayoutToken(uint256 _amount) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.17;

/// @notice VestingCurve interface to allow for simple updates of vesting release schedules.
interface IVestingCurve {
    /**
     * @notice Returns the vested token amount given the inputs below.
     * @param totalPayout Total payout vested once the vestingTerm is up
     * @param vestingTerm Length of time in seconds that tokens are vesting for
     * @param startTimestamp The timestamp of when vesting starts
     * @param checkTimestamp The timestamp to calculate vested tokens
     * @return vestedPayout Total payoutTokens vested at checkTimestamp
     *
     * Requirements
     * - MUST return 0 if checkTimestamp is less than startTimestamp
     * - MUST return totalPayout if checkTimestamp is greater than startTimestamp + vestingTerm,
     * - MUST return a value including or between 0 and totalPayout
     */
    function getVestedPayoutAtTime(
        uint256 totalPayout,
        uint256 vestingTerm,
        uint256 startTimestamp,
        uint256 checkTimestamp
    ) external view returns (uint256 vestedPayout);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
/**
 * @title Non-Fungible Vesting Token Standard.
 * @notice A non-fungible token standard used to vest ERC-20 tokens over a vesting release curve
 *  scheduled using timestamps.
 * @dev Because this standard relies on timestamps for the vesting schedule, it's important to keep track of the
 *  tokens claimed per Vesting NFT so that a user cannot withdraw more tokens than allotted for a specific Vesting NFT.
 * @custom:interface-id 0xbd3a202b
 */
interface IERC5725Upgradeable is IERC721Upgradeable {
    /**
     *  This event is emitted when the payout is claimed through the claim function.
     *  @param tokenId the NFT tokenId of the assets being claimed.
     *  @param recipient The address which is receiving the payout.
     *  @param claimAmount The amount of tokens being claimed.
     */
    event PayoutClaimed(uint256 indexed tokenId, address indexed recipient, uint256 claimAmount);

    /**
     *  This event is emitted when an `owner` sets an address to manage token claims for all tokens.
     *  @param owner The address setting a manager to manage all tokens.
     *  @param spender The address being permitted to manage all tokens.
     *  @param approved A boolean indicating whether the spender is approved to claim for all tokens.
     */
    event ClaimApprovalForAll(address indexed owner, address indexed spender, bool approved);

    /**
     *  This event is emitted when an `owner` sets an address to manage token claims for a `tokenId`.
     *  @param owner The `owner` of `tokenId`.
     *  @param spender The address being permitted to manage a tokenId.
     *  @param tokenId The unique identifier of the token being managed.
     *  @param approved A boolean indicating whether the spender is approved to claim for `tokenId`.
     */
    event ClaimApproval(address indexed owner, address indexed spender, uint256 indexed tokenId, bool approved);

    /**
     * @notice Claim the pending payout for the NFT.
     * @dev MUST grant the claimablePayout value at the time of claim being called to `msg.sender`.
     *  MUST revert if not called by the token owner or approved users.
     *  MUST emit PayoutClaimed.
     *  SHOULD revert if there is nothing to claim.
     * @param tokenId The NFT token id.
     */
    function claim(uint256 tokenId) external;

    /**
     * @notice Number of tokens for the NFT which have been claimed at the current timestamp.
     * @param tokenId The NFT token id.
     * @return payout The total amount of payout tokens claimed for this NFT.
     */
    function claimedPayout(uint256 tokenId) external view returns (uint256 payout);

    /**
     * @notice Number of tokens for the NFT which can be claimed at the current timestamp.
     * @dev It is RECOMMENDED that this is calculated as the `vestedPayout()` subtracted from `payoutClaimed()`.
     * @param tokenId The NFT token id.
     * @return payout The amount of unlocked payout tokens for the NFT which have not yet been claimed.
     */
    function claimablePayout(uint256 tokenId) external view returns (uint256 payout);

    /**
     * @notice Total amount of tokens which have been vested at the current timestamp.
     *  This number also includes vested tokens which have been claimed.
     * @dev It is RECOMMENDED that this function calls `vestedPayoutAtTime`
     *  with `block.timestamp` as the `timestamp` parameter.
     * @param tokenId The NFT token id.
     * @return payout Total amount of tokens which have been vested at the current timestamp.
     */
    function vestedPayout(uint256 tokenId) external view returns (uint256 payout);

    /**
     * @notice Total amount of vested tokens at the provided timestamp.
     *  This number also includes vested tokens which have been claimed.
     * @dev `timestamp` MAY be both in the future and in the past.
     *  Zero MUST be returned if the timestamp is before the token was minted.
     * @param tokenId The NFT token id.
     * @param timestamp The timestamp to check on, can be both in the past and the future.
     * @return payout Total amount of tokens which have been vested at the provided timestamp.
     */
    function vestedPayoutAtTime(uint256 tokenId, uint256 timestamp) external view returns (uint256 payout);

    /**
     * @notice Number of tokens for an NFT which are currently vesting.
     * @dev The sum of vestedPayout and vestingPayout SHOULD always be the total payout.
     * @param tokenId The NFT token id.
     * @return payout The number of tokens for the NFT which are vesting until a future date.
     */
    function vestingPayout(uint256 tokenId) external view returns (uint256 payout);

    /**
     * @notice The start and end timestamps for the vesting of the provided NFT.
     *  MUST return the timestamp where no further increase in vestedPayout occurs for `vestingEnd`.
     * @param tokenId The NFT token id.
     * @return vestingStart The beginning of the vesting as a unix timestamp.
     * @return vestingEnd The ending of the vesting as a unix timestamp.
     */
    function vestingPeriod(uint256 tokenId) external view returns (uint256 vestingStart, uint256 vestingEnd);

    /**
     * @notice Token which is used to pay out the vesting claims.
     * @param tokenId The NFT token id.
     * @return token The token which is used to pay out the vesting claims.
     */
    function payoutToken(uint256 tokenId) external view returns (address token);

    /**
     * @notice Sets a global `operator` with permission to manage all tokens owned by the current `msg.sender`.
     * @param operator The address to let manage all tokens.
     * @param approved A boolean indicating whether the spender is approved to claim for all tokens.
     */
    function setClaimApprovalForAll(address operator, bool approved) external;

    /**
     * @notice Sets a tokenId `operator` with permission to manage a single `tokenId` owned by the `msg.sender`.
     * @param operator The address to let manage a single `tokenId`.
     * @param tokenId the `tokenId` to be managed.
     * @param approved A boolean indicating whether the spender is approved to claim for all tokens.
     */
    function setClaimApproval(address operator, bool approved, uint256 tokenId) external;

    /**
     * @notice Returns true if `owner` has set `operator` to manage all `tokenId`s.
     * @param owner The owner allowing `operator` to manage all `tokenId`s.
     * @param operator The address who is given permission to spend tokens on behalf of the `owner`.
     */
    function isClaimApprovedForAll(address owner, address operator) external view returns (bool isClaimApproved);

    /**
     * @notice Returns the operating address for a `tokenId`.
     *  If `tokenId` is not managed, then returns the zero address.
     * @param tokenId The NFT `tokenId` to query for a `tokenId` manager.
     */
    function getClaimApproved(uint256 tokenId) external view returns (address operator);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IVersionable {
    function VERSION() external view returns (string memory);
}

{
  "libraries": {},
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"PayoutTokenAddressMismatch","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"components":[{"internalType":"address","name":"payoutToken","type":"address"},{"internalType":"address","name":"principalToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"contract IVestingCurve","name":"vestingCurve","type":"address"},{"internalType":"uint256","name":"feeInPrincipal","type":"uint256"},{"internalType":"uint256","name":"feeInPayout","type":"uint256"}],"indexed":false,"internalType":"struct IApeBond.BondCreationDetails","name":"bondCreationDetails","type":"tuple"},{"indexed":false,"internalType":"contract IBondTreasury","name":"customTreasury","type":"address"},{"indexed":false,"internalType":"contract IApeBond","name":"bond","type":"address"},{"indexed":false,"internalType":"address","name":"bondNft","type":"address"}],"name":"CreatedBond","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract IBondTreasury","name":"customTreasury","type":"address"},{"indexed":false,"internalType":"address","name":"payoutToken","type":"address"},{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"payoutAddress","type":"address"}],"name":"CreatedTreasury","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract IApeBond","name":"newBondImplementation","type":"address"}],"name":"SetBondImplementation","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"contract IBondTreasury","name":"newTreasuryImplementation","type":"address"}],"name":"SetTreasuryImplementation","type":"event"},{"inputs":[],"name":"AUTOMATION_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BOND_CREATOR_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"OPERATIONS_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bondImplementationAddress","outputs":[{"internalType":"contract IApeBond","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"payoutToken","type":"address"},{"internalType":"address","name":"principalToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"contract IVestingCurve","name":"vestingCurve","type":"address"},{"internalType":"uint256","name":"feeInPrincipal","type":"uint256"},{"internalType":"uint256","name":"feeInPayout","type":"uint256"}],"internalType":"struct IApeBond.BondCreationDetails","name":"_bondCreationDetails","type":"tuple"},{"components":[{"internalType":"uint256","name":"controlVariable","type":"uint256"},{"internalType":"uint256","name":"vestingTerm","type":"uint256"},{"internalType":"uint256","name":"minimumPrice","type":"uint256"},{"internalType":"uint256","name":"maxPayout","type":"uint256"},{"internalType":"uint256","name":"maxDebt","type":"uint256"},{"internalType":"uint256","name":"maxTotalPayout","type":"uint256"},{"internalType":"uint256","name":"initialDebt","type":"uint256"}],"internalType":"struct IApeBond.BondTerms","name":"_bondTerms","type":"tuple"},{"components":[{"internalType":"address","name":"feeInPrincipalRecipient","type":"address"},{"internalType":"address","name":"feeInPayoutRecipient","type":"address"},{"internalType":"address","name":"automationAddress","type":"address"},{"internalType":"address","name":"billNft","type":"address"}],"internalType":"struct IApeBond.BondAccounts","name":"_bondAccounts","type":"tuple"},{"internalType":"contract IBondTreasury","name":"_customTreasury","type":"address"},{"internalType":"address[]","name":"_bondOperators","type":"address[]"}],"name":"createBond","outputs":[{"internalType":"contract IBondTreasury","name":"_treasury","type":"address"},{"internalType":"contract IApeBond","name":"_bond","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"payoutToken","type":"address"},{"internalType":"address","name":"principalToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"contract IVestingCurve","name":"vestingCurve","type":"address"},{"internalType":"uint256","name":"feeInPrincipal","type":"uint256"},{"internalType":"uint256","name":"feeInPayout","type":"uint256"}],"internalType":"struct IApeBond.BondCreationDetails","name":"_bondCreationDetails","type":"tuple"},{"components":[{"internalType":"uint256","name":"controlVariable","type":"uint256"},{"internalType":"uint256","name":"vestingTerm","type":"uint256"},{"internalType":"uint256","name":"minimumPrice","type":"uint256"},{"internalType":"uint256","name":"maxPayout","type":"uint256"},{"internalType":"uint256","name":"maxDebt","type":"uint256"},{"internalType":"uint256","name":"maxTotalPayout","type":"uint256"},{"internalType":"uint256","name":"initialDebt","type":"uint256"}],"internalType":"struct IApeBond.BondTerms","name":"_bondTerms","type":"tuple"},{"components":[{"internalType":"address","name":"feeInPrincipalRecipient","type":"address"},{"internalType":"address","name":"feeInPayoutRecipient","type":"address"},{"internalType":"address","name":"automationAddress","type":"address"},{"internalType":"address","name":"billNft","type":"address"}],"internalType":"struct IApeBond.BondAccounts","name":"_bondAccounts","type":"tuple"},{"internalType":"address","name":"_payoutAddress","type":"address"},{"internalType":"address[]","name":"_bondOperators","type":"address[]"}],"name":"createBondAndTreasury","outputs":[{"internalType":"contract IBondTreasury","name":"_customTreasury","type":"address"},{"internalType":"contract IApeBond","name":"_bond","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_payoutToken","type":"address"},{"internalType":"address","name":"_initialOwner","type":"address"},{"internalType":"address","name":"_payoutAddress","type":"address"},{"internalType":"address[]","name":"_bondOperators","type":"address[]"}],"name":"createTreasury","outputs":[{"internalType":"contract IBondTreasury","name":"_customTreasury","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"deployedBonds","outputs":[{"internalType":"contract IApeBond","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"deployedTreasuries","outputs":[{"internalType":"contract IBondTreasury","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_payoutToken","type":"address"},{"internalType":"address","name":"_principalToken","type":"address"},{"internalType":"address","name":"_initialOwner","type":"address"},{"internalType":"contract IVestingCurve","name":"_vestingCurve","type":"address"},{"internalType":"uint256","name":"_feeInPrincipal","type":"uint256"},{"internalType":"uint256","name":"_feeInPayout","type":"uint256"}],"name":"getBondCreationDetails","outputs":[{"components":[{"internalType":"address","name":"payoutToken","type":"address"},{"internalType":"address","name":"principalToken","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"contract IVestingCurve","name":"vestingCurve","type":"address"},{"internalType":"uint256","name":"feeInPrincipal","type":"uint256"},{"internalType":"uint256","name":"feeInPayout","type":"uint256"}],"internalType":"struct IApeBond.BondCreationDetails","name":"","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_controlVariable","type":"uint256"},{"internalType":"uint256","name":"_vestingTerm","type":"uint256"},{"internalType":"uint256","name":"_minimumPrice","type":"uint256"},{"internalType":"uint256","name":"_maxPayout","type":"uint256"},{"internalType":"uint256","name":"_maxDebt","type":"uint256"},{"internalType":"uint256","name":"_maxTotalPayout","type":"uint256"},{"internalType":"uint256","name":"_initialDebt","type":"uint256"}],"name":"getBondTerms","outputs":[{"components":[{"internalType":"uint256","name":"controlVariable","type":"uint256"},{"internalType":"uint256","name":"vestingTerm","type":"uint256"},{"internalType":"uint256","name":"minimumPrice","type":"uint256"},{"internalType":"uint256","name":"maxPayout","type":"uint256"},{"internalType":"uint256","name":"maxDebt","type":"uint256"},{"internalType":"uint256","name":"maxTotalPayout","type":"uint256"},{"internalType":"uint256","name":"initialDebt","type":"uint256"}],"internalType":"struct IApeBond.BondTerms","name":"","type":"tuple"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_bondCreators","type":"address[]"}],"name":"grantBondCreatorRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_bondImplementationAddress","type":"address"},{"internalType":"address","name":"_treasuryImplementationAddress","type":"address"},{"internalType":"address[]","name":"_bondCreators","type":"address[]"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_bondCreators","type":"address[]"}],"name":"revokeBondCreatorRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IApeBond","name":"_bondImplementation","type":"address"}],"name":"setBondImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IBondTreasury","name":"_treasuryImplementation","type":"address"}],"name":"setTreasuryImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalDeployed","outputs":[{"internalType":"uint256","name":"_bondsDeployed","type":"uint256"},{"internalType":"uint256","name":"_treasuriesDeployed","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"treasuryImplementationAddress","outputs":[{"internalType":"contract IBondTreasury","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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