// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "./interfaces/IFlatLaunchpeg.sol";
import "./BaseLaunchpeg.sol";

/// @title FlatLaunchpeg
/// @author Trader Joe
/// @notice Implements a simple minting NFT contract with an allowlist and public sale phase.
contract FlatLaunchpeg is BaseLaunchpeg, IFlatLaunchpeg {
    /// @notice Price of one NFT for people on the mint list
    /// @dev allowlistPrice is scaled to 1e18
    uint256 public override allowlistPrice;

    /// @notice Price of one NFT during the public sale
    /// @dev salePrice is scaled to 1e18
    uint256 public override salePrice;

    /// @dev Emitted on initializePhases()
    /// @param preMintStartTime Pre-mint start time in seconds
    /// @param allowlistStartTime Allowlist mint start time in seconds
    /// @param publicSaleStartTime Public sale start time in seconds
    /// @param publicSaleEndTime Public sale end time in seconds
    /// @param allowlistPrice Price of the allowlist sale in Avax
    /// @param salePrice Price of the public sale in Avax
    event Initialized(
        uint256 preMintStartTime,
        uint256 allowlistStartTime,
        uint256 publicSaleStartTime,
        uint256 publicSaleEndTime,
        uint256 allowlistPrice,
        uint256 salePrice
    );

    /// @notice FlatLaunchpeg initialization
    /// Can only be called once
    /// @param _collectionData Launchpeg collection data
    /// @param _ownerData Launchpeg owner data
    function initialize(
        CollectionData calldata _collectionData,
        CollectionOwnerData calldata _ownerData
    ) external override initializer {
        initializeBaseLaunchpeg(_collectionData, _ownerData);
    }

    /// @notice Initialize the two phases of the sale
    /// @dev Can only be called once
    /// @param _preMintStartTime Pre-mint start time in seconds
    /// @param _allowlistStartTime Allowlist mint start time in seconds
    /// @param _publicSaleStartTime Public sale start time in seconds
    /// @param _publicSaleEndTime Public sale end time in seconds
    /// @param _allowlistPrice Price of the allowlist sale in Avax
    /// @param _salePrice Price of the public sale in Avax
    function initializePhases(
        uint256 _preMintStartTime,
        uint256 _allowlistStartTime,
        uint256 _publicSaleStartTime,
        uint256 _publicSaleEndTime,
        uint256 _allowlistPrice,
        uint256 _salePrice
    ) external override onlyOwner atPhase(Phase.NotStarted) {
        if (
            _preMintStartTime < block.timestamp ||
            _allowlistStartTime < _preMintStartTime ||
            _publicSaleStartTime < _allowlistStartTime ||
            _publicSaleEndTime < _publicSaleStartTime
        ) {
            revert Launchpeg__InvalidPhases();
        }

        if (_allowlistPrice > _salePrice) {
            revert Launchpeg__InvalidAllowlistPrice();
        }

        salePrice = _salePrice;
        allowlistPrice = _allowlistPrice;

        preMintStartTime = _preMintStartTime;
        allowlistStartTime = _allowlistStartTime;
        publicSaleStartTime = _publicSaleStartTime;
        publicSaleEndTime = _publicSaleEndTime;

        emit Initialized(
            preMintStartTime,
            allowlistStartTime,
            publicSaleStartTime,
            publicSaleEndTime,
            allowlistPrice,
            salePrice
        );
    }

    /// @notice Set the pre-mint start time. Can only be set after phases
    /// have been initialized.
    /// @dev Only callable by owner
    /// @param _preMintStartTime New pre-mint start time
    function setPreMintStartTime(uint256 _preMintStartTime)
        external
        override
        onlyOwner
        isTimeUpdateAllowed(preMintStartTime)
        isNotBeforeBlockTimestamp(_preMintStartTime)
    {
        if (allowlistStartTime < _preMintStartTime) {
            revert Launchpeg__InvalidPhases();
        }
        preMintStartTime = _preMintStartTime;
        emit PreMintStartTimeSet(_preMintStartTime);
    }

    /// @notice Returns the current phase
    /// @return phase Current phase
    function currentPhase()
        public
        view
        override(IBaseLaunchpeg, BaseLaunchpeg)
        returns (Phase)
    {
        if (
            preMintStartTime == 0 ||
            allowlistStartTime == 0 ||
            publicSaleStartTime == 0 ||
            publicSaleEndTime == 0 ||
            block.timestamp < preMintStartTime
        ) {
            return Phase.NotStarted;
        } else if (totalSupply() >= collectionSize) {
            return Phase.Ended;
        } else if (
            block.timestamp >= preMintStartTime &&
            block.timestamp < allowlistStartTime
        ) {
            return Phase.PreMint;
        } else if (
            block.timestamp >= allowlistStartTime &&
            block.timestamp < publicSaleStartTime
        ) {
            return Phase.Allowlist;
        } else if (
            block.timestamp >= publicSaleStartTime &&
            block.timestamp < publicSaleEndTime
        ) {
            return Phase.PublicSale;
        }
        return Phase.Ended;
    }

    /// @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.
    /// @param _interfaceId InterfaceId to consider. Comes from type(Interface).interfaceId
    /// @return isInterfaceSupported True if the considered interface is supported
    function supportsInterface(bytes4 _interfaceId)
        public
        view
        virtual
        override(BaseLaunchpeg, IERC165Upgradeable)
        returns (bool)
    {
        return
            _interfaceId == type(IFlatLaunchpeg).interfaceId ||
            super.supportsInterface(_interfaceId);
    }

    /// @dev Returns pre-mint price. Used by mint methods.
    function _getPreMintPrice() internal view override returns (uint256) {
        return allowlistPrice;
    }

    /// @dev Returns allowlist price. Used by mint methods.
    function _getAllowlistPrice() internal view override returns (uint256) {
        return allowlistPrice;
    }

    /// @dev Returns public sale price. Used by mint methods.
    function _getPublicSalePrice() internal view override returns (uint256) {
        return salePrice;
    }
}

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

interface VRFCoordinatorV2Interface {
  /**
   * @notice Get configuration relevant for making requests
   * @return minimumRequestConfirmations global min for request confirmations
   * @return maxGasLimit global max for request gas limit
   * @return s_provingKeyHashes list of registered key hashes
   */
  function getRequestConfig()
    external
    view
    returns (
      uint16,
      uint32,
      bytes32[] memory
    );

  /**
   * @notice Request a set of random words.
   * @param keyHash - Corresponds to a particular oracle job which uses
   * that key for generating the VRF proof. Different keyHash's have different gas price
   * ceilings, so you can select a specific one to bound your maximum per request cost.
   * @param subId  - The ID of the VRF subscription. Must be funded
   * with the minimum subscription balance required for the selected keyHash.
   * @param minimumRequestConfirmations - How many blocks you'd like the
   * oracle to wait before responding to the request. See SECURITY CONSIDERATIONS
   * for why you may want to request more. The acceptable range is
   * [minimumRequestBlockConfirmations, 200].
   * @param callbackGasLimit - How much gas you'd like to receive in your
   * fulfillRandomWords callback. Note that gasleft() inside fulfillRandomWords
   * may be slightly less than this amount because of gas used calling the function
   * (argument decoding etc.), so you may need to request slightly more than you expect
   * to have inside fulfillRandomWords. The acceptable range is
   * [0, maxGasLimit]
   * @param numWords - The number of uint256 random values you'd like to receive
   * in your fulfillRandomWords callback. Note these numbers are expanded in a
   * secure way by the VRFCoordinator from a single random value supplied by the oracle.
   * @return requestId - A unique identifier of the request. Can be used to match
   * a request to a response in fulfillRandomWords.
   */
  function requestRandomWords(
    bytes32 keyHash,
    uint64 subId,
    uint16 minimumRequestConfirmations,
    uint32 callbackGasLimit,
    uint32 numWords
  ) external returns (uint256 requestId);

  /**
   * @notice Create a VRF subscription.
   * @return subId - A unique subscription id.
   * @dev You can manage the consumer set dynamically with addConsumer/removeConsumer.
   * @dev Note to fund the subscription, use transferAndCall. For example
   * @dev  LINKTOKEN.transferAndCall(
   * @dev    address(COORDINATOR),
   * @dev    amount,
   * @dev    abi.encode(subId));
   */
  function createSubscription() external returns (uint64 subId);

  /**
   * @notice Get a VRF subscription.
   * @param subId - ID of the subscription
   * @return balance - LINK balance of the subscription in juels.
   * @return reqCount - number of requests for this subscription, determines fee tier.
   * @return owner - owner of the subscription.
   * @return consumers - list of consumer address which are able to use this subscription.
   */
  function getSubscription(uint64 subId)
    external
    view
    returns (
      uint96 balance,
      uint64 reqCount,
      address owner,
      address[] memory consumers
    );

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @param newOwner - proposed new owner of the subscription
   */
  function requestSubscriptionOwnerTransfer(uint64 subId, address newOwner) external;

  /**
   * @notice Request subscription owner transfer.
   * @param subId - ID of the subscription
   * @dev will revert if original owner of subId has
   * not requested that msg.sender become the new owner.
   */
  function acceptSubscriptionOwnerTransfer(uint64 subId) external;

  /**
   * @notice Add a consumer to a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - New consumer which can use the subscription
   */
  function addConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Remove a consumer from a VRF subscription.
   * @param subId - ID of the subscription
   * @param consumer - Consumer to remove from the subscription
   */
  function removeConsumer(uint64 subId, address consumer) external;

  /**
   * @notice Cancel a subscription
   * @param subId - ID of the subscription
   * @param to - Where to send the remaining LINK to
   */
  function cancelSubscription(uint64 subId, address to) external;
}

// 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 "../proxy/utils/Initializable.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerableUpgradeable is Initializable, IAccessControlEnumerableUpgradeable, AccessControlUpgradeable {
    function __AccessControlEnumerable_init() internal onlyInitializing {
    }

    function __AccessControlEnumerable_init_unchained() internal onlyInitializing {
    }
    using EnumerableSetUpgradeable for EnumerableSetUpgradeable.AddressSet;

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

    /**
     * @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 v4.5.0) (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 "../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:
 *
 * ```
 * 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}:
 *
 * ```
 * 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.
 */
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    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, _msgSender());
        _;
    }

    /**
     * @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 `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(uint160(account), 20),
                        " 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.
     */
    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.
     */
    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`.
     */
    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.
     *
     * [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.
     */
    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.
     */
    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 v4.5.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981Upgradeable is IERC165Upgradeable {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be payed in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.0;

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.
 *
 * 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 initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

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

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal onlyInitializing {
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal onlyInitializing {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_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 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

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

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

    uint256 private _status;

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

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @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 v4.5.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981Upgradeable.sol";
import "../../utils/introspection/ERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981Upgradeable is Initializable, IERC2981Upgradeable, ERC165Upgradeable {
    function __ERC2981_init() internal onlyInitializing {
    }

    function __ERC2981_init_unchained() internal onlyInitializing {
    }
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165Upgradeable, ERC165Upgradeable) returns (bool) {
        return interfaceId == type(IERC2981Upgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981Upgradeable
     */
    function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
        external
        view
        virtual
        override
        returns (address, uint256)
    {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `tokenId` must be already minted.
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(
        uint256 tokenId,
        address receiver,
        uint96 feeNumerator
    ) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }

    /**
     * @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[48] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721ReceiverUpgradeable {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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`, 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 be 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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * 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 Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @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 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);

    /**
     * @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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;
import "../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;
    }

    /**
     * @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/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../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 v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @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] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

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

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.
 *
 * ```
 * 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.
 */
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) {
        return _values(set._inner);
    }

    // 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;

        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 on 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;

        assembly {
            result := store
        }

        return result;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/common/ERC2981Upgradeable.sol";
import "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol";

import "./ERC721AUpgradeable.sol";
import "operator-filter-registry/src/IOperatorFilterRegistry.sol";

import "./LaunchpegErrors.sol";
import "./interfaces/IBaseLaunchpeg.sol";
import "./interfaces/IBatchReveal.sol";
import "./utils/SafePausableUpgradeable.sol";

/// @title BaseLaunchpeg
/// @author Trader Joe
/// @notice Implements the functionalities shared between Launchpeg and FlatLaunchpeg contracts.
abstract contract BaseLaunchpeg is
    IBaseLaunchpeg,
    ERC721AUpgradeable,
    SafePausableUpgradeable,
    ReentrancyGuardUpgradeable,
    ERC2981Upgradeable
{
    using StringsUpgradeable for uint256;

    /// @dev Structure for pre-mint data
    struct PreMintData {
        // address to mint NFTs to
        address sender;
        // No. of NFTs to mint
        uint96 quantity;
    }

    /// @dev Structure for a set of pre-mint data.
    struct PreMintDataSet {
        // pre-mint data array
        PreMintData[] preMintDataArr;
        // maps a user address to the index of the user's pre-mint data in the
        // `preMintDataArr` array. Plus 1 because index 0 means data does not
        // exist for that user.
        mapping(address => uint256) indexes;
    }

    /// @notice Role granted to project owners
    bytes32 public constant override PROJECT_OWNER_ROLE =
        keccak256("PROJECT_OWNER_ROLE");

    /// @notice Percentage base point
    uint256 public constant BASIS_POINT_PRECISION = 10_000;

    /// @notice The collection size (e.g 10000)
    uint256 public override collectionSize;

    /// @notice Amount of NFTs reserved for the project owner (e.g 200)
    /// @dev It can be minted any time via `devMint`
    uint256 public override amountForDevs;

    /// @notice Amount of NFTs available for the allowlist mint (e.g 1000)
    uint256 public override amountForAllowlist;

    /// @notice Max amount of NFTs an address can mint in public phases
    uint256 public override maxPerAddressDuringMint;

    /// @notice The fees collected by Joepegs on the sale benefits
    /// @dev In basis points e.g 100 for 1%
    uint256 public override joeFeePercent;

    /// @notice The address to which the fees on the sale will be sent
    address public override joeFeeCollector;

    /// @notice Batch reveal contract
    IBatchReveal public batchReveal;

    /// @notice Token URI after collection reveal
    string public override baseURI;

    /// @notice Token URI before the collection reveal
    string public override unrevealedURI;

    /// @notice The amount of NFTs each allowed address can mint during
    /// the pre-mint or allowlist mint
    mapping(address => uint256) public override allowlist;

    /// @notice Tracks the amount of NFTs minted by `projectOwner`
    uint256 public override amountMintedByDevs;

    /// @notice Tracks the amount of NFTs minted in the Pre-Mint phase
    uint256 public override amountMintedDuringPreMint;

    /// @notice Tracks the amount of pre-minted NFTs that have been claimed
    uint256 public override amountClaimedDuringPreMint;

    /// @notice Tracks the amount of NFTs minted on Allowlist phase
    uint256 public override amountMintedDuringAllowlist;

    /// @notice Tracks the amount of NFTs minted on Public Sale phase
    uint256 public override amountMintedDuringPublicSale;

    /// @notice Start time of the pre-mint in seconds
    uint256 public override preMintStartTime;

    /// @notice Start time of the allowlist mint in seconds
    uint256 public override allowlistStartTime;

    /// @notice Start time of the public sale in seconds
    /// @dev A timestamp greater than the allowlist mint start
    uint256 public override publicSaleStartTime;

    /// @notice End time of the public sale in seconds
    /// @dev A timestamp greater than the public sale start
    uint256 public override publicSaleEndTime;

    /// @notice Start time when funds can be withdrawn
    uint256 public override withdrawAVAXStartTime;

    /// @notice Contract filtering allowed operators, preventing unauthorized contract to transfer NFTs
    /// By default, Launchpeg contracts are subscribed to OpenSea's Curated Subscription Address at 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6
    IOperatorFilterRegistry public operatorFilterRegistry;

    /// @dev Set of pending pre-mint data (user address and quantity)
    PreMintDataSet private _pendingPreMints;

    /// @dev Emitted on initializeJoeFee()
    /// @param feePercent The fees collected by Joepegs on the sale benefits
    /// @param feeCollector The address to which the fees on the sale will be sent
    event JoeFeeInitialized(uint256 feePercent, address feeCollector);

    /// @dev Emitted on devMint()
    /// @param sender The address that minted
    /// @param quantity Amount of NFTs minted
    event DevMint(address indexed sender, uint256 quantity);

    /// @dev Emitted on preMint()
    /// @param sender The address that minted
    /// @param quantity Amount of NFTs minted
    /// @param price Price of 1 NFT
    event PreMint(address indexed sender, uint256 quantity, uint256 price);

    /// @dev Emitted on auctionMint(), claimPreMint(), batchClaimPreMint(),
    /// allowlistMint(), publicSaleMint()
    /// @param sender The address that minted
    /// @param quantity Amount of NFTs minted
    /// @param price Price in AVAX for the NFTs
    /// @param startTokenId The token ID of the first minted NFT:
    /// if `startTokenId` = 100 and `quantity` = 2, `sender` minted 100 and 101
    /// @param phase The phase in which the mint occurs
    event Mint(
        address indexed sender,
        uint256 quantity,
        uint256 price,
        uint256 startTokenId,
        Phase phase
    );

    /// @dev Emitted on withdrawAVAX()
    /// @param sender The address that withdrew the tokens
    /// @param amount Amount of AVAX transfered to `sender`
    /// @param fee Amount of AVAX paid to the fee collector
    event AvaxWithdraw(address indexed sender, uint256 amount, uint256 fee);

    /// @dev Emitted on setBaseURI()
    /// @param baseURI The new base URI
    event BaseURISet(string baseURI);

    /// @dev Emitted on setUnrevealedURI()
    /// @param unrevealedURI The new base URI
    event UnrevealedURISet(string unrevealedURI);

    /// @dev Emitted on seedAllowlist()
    event AllowlistSeeded();

    /// @dev Emitted on _setDefaultRoyalty()
    /// @param receiver Royalty fee collector
    /// @param feePercent Royalty fee percent in basis point
    event DefaultRoyaltySet(address indexed receiver, uint256 feePercent);

    /// @dev Emitted on setPreMintStartTime()
    /// @param preMintStartTime New pre-mint start time
    event PreMintStartTimeSet(uint256 preMintStartTime);

    /// @dev Emitted on setAllowlistStartTime()
    /// @param allowlistStartTime New allowlist start time
    event AllowlistStartTimeSet(uint256 allowlistStartTime);

    /// @dev Emitted on setPublicSaleStartTime()
    /// @param publicSaleStartTime New public sale start time
    event PublicSaleStartTimeSet(uint256 publicSaleStartTime);

    /// @dev Emitted on setPublicSaleEndTime()
    /// @param publicSaleEndTime New public sale end time
    event PublicSaleEndTimeSet(uint256 publicSaleEndTime);

    /// @dev Emitted on setWithdrawAVAXStartTime()
    /// @param withdrawAVAXStartTime New withdraw AVAX start time
    event WithdrawAVAXStartTimeSet(uint256 withdrawAVAXStartTime);

    /// @dev Emitted on updateOperatorFilterRegistryAddress()
    /// @param operatorFilterRegistry New operator filter registry
    event OperatorFilterRegistryUpdated(
        IOperatorFilterRegistry indexed operatorFilterRegistry
    );

    modifier isEOA() {
        if (tx.origin != msg.sender) {
            revert Launchpeg__Unauthorized();
        }
        _;
    }

    /// @notice Checks if the current phase matches the required phase
    modifier atPhase(Phase _phase) {
        if (currentPhase() != _phase) {
            revert Launchpeg__WrongPhase();
        }
        _;
    }

    /// @notice Pre-mints can be claimed from the allowlist phase
    /// (including after sale ends)
    modifier isClaimPreMintAvailable() {
        if (block.timestamp < allowlistStartTime) {
            revert Launchpeg__WrongPhase();
        }
        _;
    }

    /// @notice Phase time can be updated if it has been initialized and
    // the time has not passed
    modifier isTimeUpdateAllowed(uint256 _phaseTime) {
        if (_phaseTime == 0) {
            revert Launchpeg__NotInitialized();
        }
        if (_phaseTime <= block.timestamp) {
            revert Launchpeg__WrongPhase();
        }
        _;
    }

    /// @notice Checks if new time is equal to or after block timestamp
    modifier isNotBeforeBlockTimestamp(uint256 _newTime) {
        if (_newTime < block.timestamp) {
            revert Launchpeg__InvalidPhases();
        }
        _;
    }

    /// @notice Allow spending tokens from addresses with balance
    /// Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
    /// from an EOA.
    modifier onlyAllowedOperator(address from) virtual {
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    /// @notice Allow approving tokens transfers
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    /// @dev BaseLaunchpeg initialization
    /// @param _collectionData Launchpeg collection data
    /// @param _ownerData Launchpeg owner data
    function initializeBaseLaunchpeg(
        CollectionData calldata _collectionData,
        CollectionOwnerData calldata _ownerData
    ) internal onlyInitializing {
        __SafePausable_init();
        __ReentrancyGuard_init();
        __ERC2981_init();
        __ERC721A_init(_collectionData.name, _collectionData.symbol);

        if (_ownerData.owner == address(0)) {
            revert Launchpeg__InvalidOwner();
        }
        if (_ownerData.projectOwner == address(0)) {
            revert Launchpeg__InvalidProjectOwner();
        }
        if (
            _collectionData.collectionSize == 0 ||
            _collectionData.amountForDevs + _collectionData.amountForAllowlist >
            _collectionData.collectionSize
        ) {
            revert Launchpeg__LargerCollectionSizeNeeded();
        }
        if (
            _collectionData.maxPerAddressDuringMint >
            _collectionData.collectionSize
        ) {
            revert Launchpeg__InvalidMaxPerAddressDuringMint();
        }

        // Initialize the operator filter registry and subcribe to OpenSea's list
        IOperatorFilterRegistry _operatorFilterRegistry = IOperatorFilterRegistry(
                0x000000000000AAeB6D7670E522A718067333cd4E
            );
        if (address(_operatorFilterRegistry).code.length > 0) {
            _operatorFilterRegistry.registerAndSubscribe(
                address(this),
                0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6
            );
        }
        _updateOperatorFilterRegistryAddress(_operatorFilterRegistry);

        // Default royalty is 5%
        _setDefaultRoyalty(_ownerData.royaltyReceiver, 500);
        _initializeJoeFee(_ownerData.joeFeePercent, _ownerData.joeFeeCollector);

        batchReveal = IBatchReveal(_collectionData.batchReveal);
        collectionSize = _collectionData.collectionSize;
        maxPerAddressDuringMint = _collectionData.maxPerAddressDuringMint;
        amountForDevs = _collectionData.amountForDevs;
        amountForAllowlist = _collectionData.amountForAllowlist;

        grantRole(PAUSER_ROLE, msg.sender);
        grantRole(PROJECT_OWNER_ROLE, _ownerData.projectOwner);
        _transferOwnership(_ownerData.owner);
    }

    /// @notice Initialize the sales fee percent taken by Joepegs and address that collects the fees
    /// @param _joeFeePercent The fees collected by Joepegs on the sale benefits
    /// @param _joeFeeCollector The address to which the fees on the sale will be sent
    function _initializeJoeFee(uint256 _joeFeePercent, address _joeFeeCollector)
        internal
    {
        if (_joeFeePercent > BASIS_POINT_PRECISION) {
            revert Launchpeg__InvalidPercent();
        }
        if (_joeFeeCollector == address(0)) {
            revert Launchpeg__InvalidJoeFeeCollector();
        }
        joeFeePercent = _joeFeePercent;
        joeFeeCollector = _joeFeeCollector;
        emit JoeFeeInitialized(_joeFeePercent, _joeFeeCollector);
    }

    /// @notice Initialize batch reveal. Leave undefined to disable
    /// batch reveal for the collection.
    /// @dev Can only be set once. Cannot be initialized once sale has ended.
    /// @param _batchReveal Batch reveal contract address
    function initializeBatchReveal(address _batchReveal)
        external
        override
        onlyOwner
    {
        if (address(batchReveal) != address(0)) {
            revert Launchpeg__BatchRevealAlreadyInitialized();
        }
        // Disable once sale has ended
        if (publicSaleEndTime > 0 && block.timestamp >= publicSaleEndTime) {
            revert Launchpeg__WrongPhase();
        }
        batchReveal = IBatchReveal(_batchReveal);
    }

    /// @notice Set the royalty fee
    /// @param _receiver Royalty fee collector
    /// @param _feePercent Royalty fee percent in basis point
    function setRoyaltyInfo(address _receiver, uint96 _feePercent)
        external
        override
        onlyOwner
    {
        // Royalty fees are limited to 25%
        if (_feePercent > 2_500) {
            revert Launchpeg__InvalidRoyaltyInfo();
        }
        _setDefaultRoyalty(_receiver, _feePercent);
        emit DefaultRoyaltySet(_receiver, _feePercent);
    }

    /// @notice Update the address that the contract will make OperatorFilter checks against. When set to the zero
    /// address, checks will be bypassed. OnlyOwner
    /// @param _newRegistry The address of the new OperatorFilterRegistry
    function updateOperatorFilterRegistryAddress(
        IOperatorFilterRegistry _newRegistry
    ) external onlyOwner {
        _updateOperatorFilterRegistryAddress(_newRegistry);
    }

    /// @notice Set amount of NFTs mintable per address during the allowlist phase
    /// @param _addresses List of addresses allowed to mint during the allowlist phase
    /// @param _numNfts List of NFT quantities mintable per address
    function seedAllowlist(
        address[] calldata _addresses,
        uint256[] calldata _numNfts
    ) external override onlyOwner {
        uint256 addressesLength = _addresses.length;
        if (addressesLength != _numNfts.length) {
            revert Launchpeg__WrongAddressesAndNumSlotsLength();
        }
        for (uint256 i; i < addressesLength; i++) {
            allowlist[_addresses[i]] = _numNfts[i];
        }

        emit AllowlistSeeded();
    }

    /// @notice Set the base URI
    /// @dev This sets the URI for revealed tokens
    /// Only callable by project owner
    /// @param _baseURI Base URI to be set
    function setBaseURI(string calldata _baseURI) external override onlyOwner {
        baseURI = _baseURI;
        emit BaseURISet(baseURI);
    }

    /// @notice Set the unrevealed URI
    /// @dev Only callable by project owner
    /// @param _unrevealedURI Unrevealed URI to be set
    function setUnrevealedURI(string calldata _unrevealedURI)
        external
        override
        onlyOwner
    {
        unrevealedURI = _unrevealedURI;
        emit UnrevealedURISet(unrevealedURI);
    }

    /// @notice Set the allowlist start time. Can only be set after phases
    /// have been initialized.
    /// @dev Only callable by owner
    /// @param _allowlistStartTime New allowlist start time
    function setAllowlistStartTime(uint256 _allowlistStartTime)
        external
        override
        onlyOwner
        isTimeUpdateAllowed(allowlistStartTime)
        isNotBeforeBlockTimestamp(_allowlistStartTime)
    {
        if (
            _allowlistStartTime < preMintStartTime ||
            publicSaleStartTime < _allowlistStartTime
        ) {
            revert Launchpeg__InvalidPhases();
        }
        allowlistStartTime = _allowlistStartTime;
        emit AllowlistStartTimeSet(_allowlistStartTime);
    }

    /// @notice Set the public sale start time. Can only be set after phases
    /// have been initialized.
    /// @dev Only callable by owner
    /// @param _publicSaleStartTime New public sale start time
    function setPublicSaleStartTime(uint256 _publicSaleStartTime)
        external
        override
        onlyOwner
        isTimeUpdateAllowed(publicSaleStartTime)
        isNotBeforeBlockTimestamp(_publicSaleStartTime)
    {
        if (
            _publicSaleStartTime < allowlistStartTime ||
            publicSaleEndTime < _publicSaleStartTime
        ) {
            revert Launchpeg__InvalidPhases();
        }

        publicSaleStartTime = _publicSaleStartTime;
        emit PublicSaleStartTimeSet(_publicSaleStartTime);
    }

    /// @notice Set the public sale end time. Can only be set after phases
    /// have been initialized.
    /// @dev Only callable by owner
    /// @param _publicSaleEndTime New public sale end time
    function setPublicSaleEndTime(uint256 _publicSaleEndTime)
        external
        override
        onlyOwner
        isTimeUpdateAllowed(publicSaleEndTime)
        isNotBeforeBlockTimestamp(_publicSaleEndTime)
    {
        if (_publicSaleEndTime < publicSaleStartTime) {
            revert Launchpeg__InvalidPhases();
        }
        publicSaleEndTime = _publicSaleEndTime;
        emit PublicSaleEndTimeSet(_publicSaleEndTime);
    }

    /// @notice Set the withdraw AVAX start time.
    /// @param _withdrawAVAXStartTime New public sale end time
    function setWithdrawAVAXStartTime(uint256 _withdrawAVAXStartTime)
        external
        override
        onlyOwner
        isNotBeforeBlockTimestamp(_withdrawAVAXStartTime)
    {
        withdrawAVAXStartTime = _withdrawAVAXStartTime;
        emit WithdrawAVAXStartTimeSet(_withdrawAVAXStartTime);
    }

    /// @notice The remaining no. of pre-minted NFTs for the user address
    /// @param _user user address
    function userPendingPreMints(address _user)
        public
        view
        override
        returns (uint256)
    {
        uint256 idx = _pendingPreMints.indexes[_user];
        if (idx == 0) {
            return 0;
        }
        return _pendingPreMints.preMintDataArr[idx - 1].quantity;
    }

    /// @notice Mint NFTs to the project owner
    /// @dev Can only mint up to `amountForDevs`
    /// @param _quantity Quantity of NFTs to mint
    function devMint(uint256 _quantity)
        external
        override
        onlyOwnerOrRole(PROJECT_OWNER_ROLE)
        whenNotPaused
    {
        if (_totalSupplyWithPreMint() + _quantity > collectionSize) {
            revert Launchpeg__MaxSupplyReached();
        }
        if (amountMintedByDevs + _quantity > amountForDevs) {
            revert Launchpeg__MaxSupplyForDevReached();
        }
        amountMintedByDevs = amountMintedByDevs + _quantity;
        _batchMint(msg.sender, _quantity, maxPerAddressDuringMint);
        emit DevMint(msg.sender, _quantity);
    }

    /// @notice Mint NFTs during the pre-mint
    /// @param _quantity Quantity of NFTs to mint
    function preMint(uint96 _quantity)
        external
        payable
        override
        whenNotPaused
        atPhase(Phase.PreMint)
    {
        if (_quantity == 0) {
            revert Launchpeg__InvalidQuantity();
        }
        if (_quantity > allowlist[msg.sender]) {
            revert Launchpeg__NotEligibleForAllowlistMint();
        }
        if (amountMintedDuringPreMint + _quantity > amountForAllowlist) {
            revert Launchpeg__MaxSupplyReached();
        }
        allowlist[msg.sender] -= _quantity;
        amountMintedDuringPreMint += _quantity;
        _addPreMint(msg.sender, _quantity);
        uint256 price = _getPreMintPrice();
        uint256 totalCost = price * _quantity;
        emit PreMint(msg.sender, _quantity, price);
        _refundIfOver(totalCost);
    }

    /// @notice Claim pre-minted NFTs
    function claimPreMint()
        external
        override
        whenNotPaused
        isClaimPreMintAvailable
    {
        uint256 quantity = userPendingPreMints(msg.sender);
        if (quantity == 0) {
            revert Launchpeg__InvalidClaim();
        }
        _removePreMint(msg.sender, uint96(quantity));
        amountClaimedDuringPreMint += quantity;
        uint256 price = _getPreMintPrice();
        _batchMint(msg.sender, quantity, maxPerAddressDuringMint);
        emit Mint(
            msg.sender,
            quantity,
            price,
            _totalMinted() - quantity,
            Phase.PreMint
        );
    }

    /// @notice Claim pre-minted NFTs for users
    /// @param _maxQuantity Max quantity of NFTs to mint
    function batchClaimPreMint(uint96 _maxQuantity)
        external
        override
        whenNotPaused
        isClaimPreMintAvailable
    {
        if (_maxQuantity == 0) {
            revert Launchpeg__InvalidQuantity();
        }
        if (amountMintedDuringPreMint == amountClaimedDuringPreMint) {
            revert Launchpeg__InvalidClaim();
        }
        uint256 maxBatchSize = maxPerAddressDuringMint;
        uint256 price = _getPreMintPrice();
        uint96 remQuantity = _maxQuantity;
        uint96 mintQuantity;
        for (
            uint256 len = _pendingPreMints.preMintDataArr.length;
            len > 0 && remQuantity > 0;

        ) {
            PreMintData memory preMintData = _pendingPreMints.preMintDataArr[
                len - 1
            ];
            if (preMintData.quantity > remQuantity) {
                mintQuantity = remQuantity;
            } else {
                mintQuantity = preMintData.quantity;
                --len;
            }
            _removePreMint(preMintData.sender, mintQuantity);
            remQuantity -= mintQuantity;
            _batchMint(preMintData.sender, mintQuantity, maxBatchSize);
            emit Mint(
                preMintData.sender,
                mintQuantity,
                price,
                _totalMinted() - mintQuantity,
                Phase.PreMint
            );
        }
        amountClaimedDuringPreMint += (_maxQuantity - remQuantity);
    }

    /// @notice Mint NFTs during the allowlist mint
    /// @param _quantity Quantity of NFTs to mint
    function allowlistMint(uint256 _quantity)
        external
        payable
        override
        whenNotPaused
        atPhase(Phase.Allowlist)
    {
        if (_quantity > allowlist[msg.sender]) {
            revert Launchpeg__NotEligibleForAllowlistMint();
        }
        if (
            amountMintedDuringPreMint +
                amountMintedDuringAllowlist +
                _quantity >
            amountForAllowlist
        ) {
            revert Launchpeg__MaxSupplyReached();
        }
        allowlist[msg.sender] -= _quantity;
        uint256 price = _getAllowlistPrice();
        uint256 totalCost = price * _quantity;

        _batchMint(msg.sender, _quantity, maxPerAddressDuringMint);
        amountMintedDuringAllowlist += _quantity;
        emit Mint(
            msg.sender,
            _quantity,
            price,
            _totalMinted() - _quantity,
            Phase.Allowlist
        );
        _refundIfOver(totalCost);
    }

    /// @notice Mint NFTs during the public sale
    /// @param _quantity Quantity of NFTs to mint
    function publicSaleMint(uint256 _quantity)
        external
        payable
        override
        isEOA
        whenNotPaused
        atPhase(Phase.PublicSale)
    {
        if (
            numberMintedWithPreMint(msg.sender) + _quantity >
            maxPerAddressDuringMint
        ) {
            revert Launchpeg__CanNotMintThisMany();
        }
        // ensure sufficient supply for devs. note we can skip this check
        // in prior phases as long as they do not exceed the phase allocation
        // and the total phase allocations do not exceed collection size
        uint256 remainingDevAmt = amountForDevs - amountMintedByDevs;
        if (
            _totalSupplyWithPreMint() + remainingDevAmt + _quantity >
            collectionSize
        ) {
            revert Launchpeg__MaxSupplyReached();
        }
        uint256 price = _getPublicSalePrice();
        uint256 total = price * _quantity;

        _mint(msg.sender, _quantity, "", false);
        amountMintedDuringPublicSale += _quantity;
        emit Mint(
            msg.sender,
            _quantity,
            price,
            _totalMinted() - _quantity,
            Phase.PublicSale
        );
        _refundIfOver(total);
    }

    /// @dev Returns pre-mint price. Used by mint methods.
    function _getPreMintPrice() internal view virtual returns (uint256);

    /// @dev Returns allowlist price. Used by mint methods.
    function _getAllowlistPrice() internal view virtual returns (uint256);

    /// @dev Returns public sale price. Used by mint methods.
    function _getPublicSalePrice() internal view virtual returns (uint256);

    /// @notice Withdraw AVAX to the given recipient
    /// @param _to Recipient of the earned AVAX
    function withdrawAVAX(address _to)
        external
        override
        onlyOwnerOrRole(PROJECT_OWNER_ROLE)
        nonReentrant
        whenNotPaused
    {
        if (
            withdrawAVAXStartTime > block.timestamp ||
            withdrawAVAXStartTime == 0
        ) {
            revert Launchpeg__WithdrawAVAXNotAvailable();
        }

        uint256 amount = address(this).balance;
        uint256 fee;
        bool sent;

        if (joeFeePercent > 0) {
            fee = (amount * joeFeePercent) / BASIS_POINT_PRECISION;
            amount = amount - fee;

            (sent, ) = joeFeeCollector.call{value: fee}("");
            if (!sent) {
                revert Launchpeg__TransferFailed();
            }
        }

        (sent, ) = _to.call{value: amount}("");
        if (!sent) {
            revert Launchpeg__TransferFailed();
        }

        emit AvaxWithdraw(_to, amount, fee);
    }

    /// @notice Returns the ownership data of a specific token ID
    /// @param _tokenId Token ID
    /// @return TokenOwnership Ownership struct for a specific token ID
    function getOwnershipData(uint256 _tokenId)
        external
        view
        override
        returns (TokenOwnership memory)
    {
        return _ownershipOf(_tokenId);
    }

    /// @notice Returns the Uniform Resource Identifier (URI) for `tokenId` token.
    /// @param _id Token id
    /// @return URI Token URI
    function tokenURI(uint256 _id)
        public
        view
        override(ERC721AUpgradeable, IERC721MetadataUpgradeable)
        returns (string memory)
    {
        if (address(batchReveal) == address(0)) {
            return string(abi.encodePacked(baseURI, _id.toString()));
        } else if (
            _id >= batchReveal.launchpegToLastTokenReveal(address(this))
        ) {
            return unrevealedURI;
        } else {
            return
                string(
                    abi.encodePacked(
                        baseURI,
                        batchReveal
                            .getShuffledTokenId(address(this), _id)
                            .toString()
                    )
                );
        }
    }

    /// @notice Returns the number of NFTs minted by a specific address
    /// @param _owner The owner of the NFTs
    /// @return numberMinted Number of NFTs minted
    function numberMinted(address _owner)
        public
        view
        override
        returns (uint256)
    {
        return _numberMinted(_owner);
    }

    /// @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.
    /// @param _interfaceId InterfaceId to consider. Comes from type(InterfaceContract).interfaceId
    /// @return isInterfaceSupported True if the considered interface is supported
    function supportsInterface(bytes4 _interfaceId)
        public
        view
        virtual
        override(
            ERC721AUpgradeable,
            ERC2981Upgradeable,
            IERC165Upgradeable,
            SafePausableUpgradeable
        )
        returns (bool)
    {
        return
            _interfaceId == type(IBaseLaunchpeg).interfaceId ||
            ERC721AUpgradeable.supportsInterface(_interfaceId) ||
            ERC2981Upgradeable.supportsInterface(_interfaceId) ||
            ERC165Upgradeable.supportsInterface(_interfaceId) ||
            SafePausableUpgradeable.supportsInterface(_interfaceId) ||
            super.supportsInterface(_interfaceId);
    }

    /// @dev Verifies that enough AVAX has been sent by the sender and refunds the extra tokens if any
    /// @param _price The price paid by the sender for minting NFTs
    function _refundIfOver(uint256 _price) internal {
        if (msg.value < _price) {
            revert Launchpeg__NotEnoughAVAX(msg.value);
        }
        if (msg.value > _price) {
            (bool success, ) = msg.sender.call{value: msg.value - _price}("");
            if (!success) {
                revert Launchpeg__TransferFailed();
            }
        }
    }

    /// @notice Returns the current phase
    /// @return phase Current phase
    function currentPhase() public view virtual override returns (Phase);

    /// @notice Reveals the next batch if the reveal conditions are met
    function revealNextBatch() external override isEOA whenNotPaused {
        if (address(batchReveal) == address(0)) {
            revert Launchpeg__BatchRevealDisabled();
        }
        if (!batchReveal.revealNextBatch(address(this), totalSupply())) {
            revert Launchpeg__RevealNextBatchNotAvailable();
        }
    }

    /// @notice Tells you if a batch can be revealed
    /// @return bool Whether reveal can be triggered or not
    /// @return uint256 The number of the next batch that will be revealed
    function hasBatchToReveal() external view override returns (bool, uint256) {
        if (address(batchReveal) == address(0)) {
            return (false, 0);
        }
        return batchReveal.hasBatchToReveal(address(this), totalSupply());
    }

    /// @dev Total supply including pre-mints
    function _totalSupplyWithPreMint() internal view returns (uint256) {
        return
            totalSupply() +
            amountMintedDuringPreMint -
            amountClaimedDuringPreMint;
    }

    /// @notice Number minted by user including pre-mints
    function numberMintedWithPreMint(address _owner)
        public
        view
        override
        returns (uint256)
    {
        return _numberMinted(_owner) + userPendingPreMints(_owner);
    }

    /// @dev Adds pre-mint data to the pre-mint data set
    /// @param _sender address to mint NFTs to
    /// @param _quantity No. of NFTs to add to mint quantity
    function _addPreMint(address _sender, uint96 _quantity) private {
        PreMintDataSet storage set = _pendingPreMints;
        uint256 idx = set.indexes[_sender];
        // user exists in set
        if (idx != 0) {
            set.preMintDataArr[idx - 1].quantity += _quantity;
        } else {
            PreMintData memory preMintData = PreMintData({
                sender: _sender,
                quantity: _quantity
            });
            set.preMintDataArr.push(preMintData);
            set.indexes[_sender] = set.preMintDataArr.length;
        }
    }

    /// @dev Removes pre-mint data from the pre-mint data set
    /// @param _sender address to mint NFTs to
    /// @param _quantity No. of NFTs to remove from mint quantity
    function _removePreMint(address _sender, uint96 _quantity) private {
        PreMintDataSet storage set = _pendingPreMints;
        uint256 idx = set.indexes[_sender];
        // user exists in set
        if (idx != 0) {
            uint96 currQuantity = set.preMintDataArr[idx - 1].quantity;
            uint96 newQuantity = (currQuantity > _quantity)
                ? currQuantity - _quantity
                : 0;
            // remove from set
            if (newQuantity == 0) {
                uint256 toDeleteIdx = idx - 1;
                uint256 lastIdx = set.preMintDataArr.length - 1;
                if (toDeleteIdx != lastIdx) {
                    PreMintData memory lastPreMintData = set.preMintDataArr[
                        lastIdx
                    ];
                    set.preMintDataArr[toDeleteIdx] = lastPreMintData;
                    set.indexes[lastPreMintData.sender] = idx;
                }
                set.preMintDataArr.pop();
                delete set.indexes[_sender];
            } else {
                set.preMintDataArr[idx - 1].quantity = newQuantity;
            }
        }
    }

    /// @dev Mint in batches of up to `_maxBatchSize`. Used to control
    /// gas costs for subsequent transfers in ERC721A contracts.
    /// @param _sender address to mint NFTs to
    /// @param _quantity No. of NFTs to mint
    /// @param _maxBatchSize Max no. of NFTs to mint in a batch
    function _batchMint(
        address _sender,
        uint256 _quantity,
        uint256 _maxBatchSize
    ) private {
        uint256 numChunks = _quantity / _maxBatchSize;
        for (uint256 i; i < numChunks; ++i) {
            _mint(_sender, _maxBatchSize, "", false);
        }
        uint256 remainingQty = _quantity % _maxBatchSize;
        if (remainingQty != 0) {
            _mint(_sender, remainingQty, "", false);
        }
    }

    /// @dev Update the address that the contract will make OperatorFilter checks against. When set to the zero
    /// address, checks will be bypassed.
    /// @param _newRegistry The address of the new OperatorFilterRegistry
    function _updateOperatorFilterRegistryAddress(
        IOperatorFilterRegistry _newRegistry
    ) private {
        operatorFilterRegistry = _newRegistry;
        emit OperatorFilterRegistryUpdated(_newRegistry);
    }

    /// @dev Checks if the address (the operator) trying to transfer the NFT is allowed
    /// @param operator Address of the operator
    function _checkFilterOperator(address operator) internal view virtual {
        IOperatorFilterRegistry registry = operatorFilterRegistry;
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(registry).code.length > 0) {
            if (!registry.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }

    /// @dev `setApprovalForAll` wrapper to prevent the sender to approve a non-allowed operator
    /// @param operator Address being approved
    /// @param approved Whether the operator is approved or not
    function setApprovalForAll(address operator, bool approved)
        public
        override(ERC721AUpgradeable, IERC721Upgradeable)
        onlyAllowedOperatorApproval(operator)
    {
        super.setApprovalForAll(operator, approved);
    }

    /// @dev `aprove` wrapper to prevent the sender to approve a non-allowed operator
    /// @param operator Address being approved
    /// @param tokenId TokenID approved
    function approve(address operator, uint256 tokenId)
        public
        override(ERC721AUpgradeable, IERC721Upgradeable)
        onlyAllowedOperatorApproval(operator)
    {
        super.approve(operator, tokenId);
    }

    /// @dev `transferFrom` wrapper to prevent a non-allowed operator to transfer the NFT
    /// @param from Address to transfer from
    /// @param to Address to transfer to
    /// @param tokenId TokenID to transfer
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    )
        public
        override(ERC721AUpgradeable, IERC721Upgradeable)
        onlyAllowedOperator(from)
    {
        super.transferFrom(from, to, tokenId);
    }

    /// @dev `safeTransferFrom` wrapper to prevent a non-allowed operator to transfer the NFT
    /// @param from Address to transfer from
    /// @param to Address to transfer to
    /// @param tokenId TokenID to transfer
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    )
        public
        override(ERC721AUpgradeable, IERC721Upgradeable)
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId);
    }

    /// @dev `safeTransferFrom` wrapper to prevent a non-allowed operator to transfer the NFT
    /// @param from Address to transfer from
    /// @param to Address to transfer to
    /// @param tokenId TokenID to transfer
    /// @param data Data to send along with a safe transfer check
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    )
        public
        override(ERC721AUpgradeable, IERC721Upgradeable)
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId, data);
    }
}

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721ReceiverUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721AUpgradeable is
    Initializable,
    ContextUpgradeable,
    ERC165Upgradeable,
    IERC721Upgradeable,
    IERC721MetadataUpgradeable
{
    using AddressUpgradeable for address;
    using StringsUpgradeable for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    function __ERC721A_init(string memory name_, string memory symbol_)
        internal
        onlyInitializing
    {
        __ERC721A_init_unchained(name_, symbol_);
    }

    function __ERC721A_init_unchained(
        string memory name_,
        string memory symbol_
    ) internal onlyInitializing {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    /**
     * To change the starting tokenId, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view returns (uint256) {
        // Counter underflow is impossible as _currentIndex does not decrement,
        // and it is initialized to _startTokenId()
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC165Upgradeable, IERC165Upgradeable)
        returns (bool)
    {
        return
            interfaceId == type(IERC721Upgradeable).interfaceId ||
            interfaceId == type(IERC721MetadataUpgradeable).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberBurned);
    }

    /**
     * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return _addressData[owner].aux;
    }

    /**
     * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId)
        internal
        view
        returns (TokenOwnership memory)
    {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override
        returns (string memory)
    {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
        string memory baseURI = _baseURI();
        return
            bytes(baseURI).length != 0
                ? string(abi.encodePacked(baseURI, tokenId.toString()))
                : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721AUpgradeable.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
            revert ApprovalCallerNotOwnerNorApproved();
        }

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId)
        public
        view
        override
        returns (address)
    {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved)
        public
        virtual
        override
    {
        if (operator == _msgSender()) revert ApproveToCaller();

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator)
        public
        view
        virtual
        override
        returns (bool)
    {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (
            to.isContract() &&
            !_checkContractOnERC721Received(from, to, tokenId, _data)
        ) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex &&
            !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, quantity, "");
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (
                        !_checkContractOnERC721Received(
                            address(0),
                            to,
                            updatedIndex++,
                            _data
                        )
                    ) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev This is equivalent to _burn(tokenId, false)
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);
        address from = prevOwnership.addr;
        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());
            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }
        _beforeTokenTransfers(from, address(0), tokenId, 1);
        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);
        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;
            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;
            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }
        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);
        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        address owner
    ) private {
        _tokenApprovals[tokenId] = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try
            IERC721ReceiverUpgradeable(to).onERC721Received(
                _msgSender(),
                from,
                tokenId,
                _data
            )
        returns (bytes4 retval) {
            return
                retval ==
                IERC721ReceiverUpgradeable(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
     * minting.
     * And also called after one token has been burned.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @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[42] private __gap;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol";

import "../ERC721AUpgradeable.sol";

/// @title IBaseLaunchpeg
/// @author Trader Joe
/// @notice Defines the basic interface of BaseLaunchpeg
interface IBaseLaunchpeg is IERC721Upgradeable, IERC721MetadataUpgradeable {
    enum Phase {
        NotStarted,
        DutchAuction,
        PreMint,
        Allowlist,
        PublicSale,
        Ended
    }

    /// @notice Collection data to initialize Launchpeg
    /// @param name ERC721 name
    /// @param symbol ERC721 symbol
    /// @param maxPerAddressDuringMint Max amount of NFTs an address can mint in public phases
    /// @param collectionSize The collection size (e.g 10000)
    /// @param amountForDevs Amount of NFTs reserved for `projectOwner` (e.g 200)
    /// @param amountForAuction Amount of NFTs available for the auction (e.g 8000)
    /// @param amountForAllowlist Amount of NFTs available for the allowlist mint (e.g 1000)
    struct CollectionData {
        string name;
        string symbol;
        address batchReveal;
        uint256 maxPerAddressDuringMint;
        uint256 collectionSize;
        uint256 amountForDevs;
        uint256 amountForAuction;
        uint256 amountForAllowlist;
    }

    /// @notice Collection owner data to initialize Launchpeg
    /// @param owner The contract owner
    /// @param projectOwner The project owner
    /// @param royaltyReceiver Royalty fee collector
    /// @param joeFeeCollector The address to which the fees on the sale will be sent
    /// @param joeFeePercent The fees collected by the fee collector on the sale benefits
    struct CollectionOwnerData {
        address owner;
        address projectOwner;
        address royaltyReceiver;
        address joeFeeCollector;
        uint256 joeFeePercent;
    }

    function PROJECT_OWNER_ROLE() external pure returns (bytes32);

    function collectionSize() external view returns (uint256);

    function unrevealedURI() external view returns (string memory);

    function baseURI() external view returns (string memory);

    function amountForDevs() external view returns (uint256);

    function amountForAllowlist() external view returns (uint256);

    function maxPerAddressDuringMint() external view returns (uint256);

    function joeFeePercent() external view returns (uint256);

    function joeFeeCollector() external view returns (address);

    function allowlist(address) external view returns (uint256);

    function amountMintedByDevs() external view returns (uint256);

    function amountMintedDuringPreMint() external view returns (uint256);

    function amountClaimedDuringPreMint() external view returns (uint256);

    function amountMintedDuringAllowlist() external view returns (uint256);

    function amountMintedDuringPublicSale() external view returns (uint256);

    function preMintStartTime() external view returns (uint256);

    function allowlistStartTime() external view returns (uint256);

    function publicSaleStartTime() external view returns (uint256);

    function publicSaleEndTime() external view returns (uint256);

    function withdrawAVAXStartTime() external view returns (uint256);

    function allowlistPrice() external view returns (uint256);

    function salePrice() external view returns (uint256);

    function initializeBatchReveal(address _batchReveal) external;

    function setRoyaltyInfo(address receiver, uint96 feePercent) external;

    function seedAllowlist(
        address[] memory _addresses,
        uint256[] memory _numSlots
    ) external;

    function setBaseURI(string calldata baseURI) external;

    function setUnrevealedURI(string calldata baseURI) external;

    function setPreMintStartTime(uint256 _preMintStartTime) external;

    function setAllowlistStartTime(uint256 _allowlistStartTime) external;

    function setPublicSaleStartTime(uint256 _publicSaleStartTime) external;

    function setPublicSaleEndTime(uint256 _publicSaleEndTime) external;

    function setWithdrawAVAXStartTime(uint256 _withdrawAVAXStartTime) external;

    function devMint(uint256 quantity) external;

    function preMint(uint96 _quantity) external payable;

    function claimPreMint() external;

    function batchClaimPreMint(uint96 _maxQuantity) external;

    function allowlistMint(uint256 _quantity) external payable;

    function publicSaleMint(uint256 _quantity) external payable;

    function withdrawAVAX(address to) external;

    function getOwnershipData(uint256 tokenId)
        external
        view
        returns (ERC721AUpgradeable.TokenOwnership memory);

    function userPendingPreMints(address owner) external view returns (uint256);

    function numberMinted(address owner) external view returns (uint256);

    function numberMintedWithPreMint(address _owner)
        external
        view
        returns (uint256);

    function currentPhase() external view returns (Phase);

    function revealNextBatch() external;

    function hasBatchToReveal() external view returns (bool, uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @title IBatchReveal
/// @author Trader Joe
/// @notice Defines the basic interface of BatchReveal
interface IBatchReveal {
    struct BatchRevealConfig {
        uint256 collectionSize;
        int128 intCollectionSize;
        /// @notice Size of the batch reveal
        /// @dev Must divide collectionSize
        uint256 revealBatchSize;
        /// @notice Timestamp for the start of the reveal process
        /// @dev Can be set to zero for immediate reveal after token mint
        uint256 revealStartTime;
        /// @notice Time interval for gradual reveal
        /// @dev Can be set to zero in order to reveal the collection all at once
        uint256 revealInterval;
    }

    function initialize() external;

    function configure(
        address _baseLaunchpeg,
        uint256 _revealBatchSize,
        uint256 _revealStartTime,
        uint256 _revealInterval
    ) external;

    function setRevealBatchSize(
        address _baseLaunchpeg,
        uint256 _revealBatchSize
    ) external;

    function setRevealStartTime(
        address _baseLaunchpeg,
        uint256 _revealStartTime
    ) external;

    function setRevealInterval(address _baseLaunchpeg, uint256 _revealInterval)
        external;

    function setVRF(
        address _vrfCoordinator,
        bytes32 _keyHash,
        uint64 _subscriptionId,
        uint32 _callbackGasLimit
    ) external;

    function launchpegToConfig(address)
        external
        view
        returns (
            uint256,
            int128,
            uint256,
            uint256,
            uint256
        );

    function launchpegToBatchToSeed(address, uint256)
        external
        view
        returns (uint256);

    function launchpegToLastTokenReveal(address)
        external
        view
        returns (uint256);

    function useVRF() external view returns (bool);

    function subscriptionId() external view returns (uint64);

    function keyHash() external view returns (bytes32);

    function callbackGasLimit() external view returns (uint32);

    function requestConfirmations() external view returns (uint16);

    function launchpegToNextBatchToReveal(address)
        external
        view
        returns (uint256);

    function launchpegToHasBeenForceRevealed(address)
        external
        view
        returns (bool);

    function launchpegToVrfRequestedForBatch(address, uint256)
        external
        view
        returns (bool);

    function getShuffledTokenId(address _baseLaunchpeg, uint256 _startId)
        external
        view
        returns (uint256);

    function isBatchRevealInitialized(address _baseLaunchpeg)
        external
        view
        returns (bool);

    function revealNextBatch(address _baseLaunchpeg, uint256 _totalSupply)
        external
        returns (bool);

    function hasBatchToReveal(address _baseLaunchpeg, uint256 _totalSupply)
        external
        view
        returns (bool, uint256);

    function forceReveal(address _baseLaunchpeg) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "./IBaseLaunchpeg.sol";

/// @title ILaunchpeg
/// @author Trader Joe
/// @notice Defines the basic interface of FlatLaunchpeg
interface IFlatLaunchpeg is IBaseLaunchpeg {
    function initialize(
        CollectionData calldata _collectionData,
        CollectionOwnerData calldata _ownerData
    ) external;

    function initializePhases(
        uint256 _preMintStartTime,
        uint256 _allowlistStartTime,
        uint256 _publicSaleStartTime,
        uint256 _publicSaleEndTime,
        uint256 _allowlistPrice,
        uint256 _salePrice
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

interface IPendingOwnableUpgradeable {
    event PendingOwnerSet(address indexed pendingOwner);
    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    function owner() external view returns (address);

    function pendingOwner() external view returns (address);

    function setPendingOwner(address pendingOwner) external;

    function revokePendingOwner() external;

    function becomeOwner() external;

    function renounceOwnership() external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

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

import "../interfaces/IPendingOwnableUpgradeable.sol";

interface ISafePausableUpgradeable is
    IAccessControlEnumerableUpgradeable,
    IPendingOwnableUpgradeable
{
    function PAUSER_ROLE() external pure returns (bytes32);

    function UNPAUSER_ROLE() external pure returns (bytes32);

    function PAUSER_ADMIN_ROLE() external pure returns (bytes32);

    function UNPAUSER_ADMIN_ROLE() external pure returns (bytes32);

    function pause() external;

    function unpause() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

// LaunchpegFactory
error LaunchpegFactory__InvalidBatchReveal();
error LaunchpegFactory__InvalidImplementation();

// Launchpeg
error Launchpeg__BatchRevealAlreadyInitialized();
error Launchpeg__BatchRevealDisabled();
error Launchpeg__BatchRevealNotInitialized();
error Launchpeg__BatchRevealStarted();
error Launchpeg__CanNotMintThisMany();
error Launchpeg__HasBeenForceRevealed();
error Launchpeg__InvalidAllowlistPrice();
error Launchpeg__InvalidAuctionDropInterval();
error Launchpeg__InvalidBatchReveal();
error Launchpeg__InvalidBatchRevealSize();
error Launchpeg__InvalidCallbackGasLimit();
error Launchpeg__InvalidClaim();
error Launchpeg__InvalidCoordinator();
error Launchpeg__InvalidKeyHash();
error Launchpeg__InvalidJoeFeeCollector();
error Launchpeg__InvalidMaxPerAddressDuringMint();
error Launchpeg__InvalidOwner();
error Launchpeg__InvalidProjectOwner();
error Launchpeg__InvalidPercent();
error Launchpeg__InvalidQuantity();
error Launchpeg__InvalidRevealDates();
error Launchpeg__InvalidRoyaltyInfo();
error Launchpeg__InvalidPhases();
error Launchpeg__IsNotInTheConsumerList();
error Launchpeg__LargerCollectionSizeNeeded();
error Launchpeg__MaxSupplyForDevReached();
error Launchpeg__MaxSupplyReached();
error Launchpeg__NotEligibleForAllowlistMint();
error Launchpeg__NotEnoughAVAX(uint256 avaxSent);
error Launchpeg__NotInitialized();
error Launchpeg__RevealNextBatchNotAvailable();
error Launchpeg__TransferFailed();
error Launchpeg__Unauthorized();
error Launchpeg__WithdrawAVAXNotAvailable();
error Launchpeg__WrongAddressesAndNumSlotsLength();
error Launchpeg__WrongPhase();

// PendingOwnableUpgradeable
error PendingOwnableUpgradeable__NotOwner();
error PendingOwnableUpgradeable__AddressZero();
error PendingOwnableUpgradeable__NotPendingOwner();
error PendingOwnableUpgradeable__PendingOwnerAlreadySet();
error PendingOwnableUpgradeable__NoPendingOwner();

// SafeAccessControlEnumerableUpgradeable
error SafeAccessControlEnumerableUpgradeable__SenderMissingRoleAndIsNotOwner(
    bytes32 role,
    address sender
);
error SafeAccessControlEnumerableUpgradeable__RoleIsDefaultAdmin();

// SafePausableUpgradeable
error SafePausableUpgradeable__AlreadyPaused();
error SafePausableUpgradeable__AlreadyUnpaused();

// OperatorFilterer
error OperatorNotAllowed(address operator);

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import "@openzeppelin/contracts-upgradeable/utils/introspection/ERC165Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

import "../interfaces/IPendingOwnableUpgradeable.sol";
import "../LaunchpegErrors.sol";

/**
 * @title Pending Ownable
 * @author Trader Joe
 * @notice Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions. The ownership of this contract is transferred using the
 * push and pull pattern, the current owner set a `pendingOwner` using
 * {setPendingOwner} and that address can then call {becomeOwner} to become the
 * owner of that contract. The main logic and comments comes from OpenZeppelin's
 * Ownable contract.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {setPendingOwner} and {becomeOwner}.
 *
 * 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 PendingOwnableUpgradeable is
    Initializable,
    ERC165Upgradeable,
    IPendingOwnableUpgradeable
{
    address private _owner;
    address private _pendingOwner;

    /**
     * @notice Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        if (msg.sender != _owner) revert PendingOwnableUpgradeable__NotOwner();
        _;
    }

    /**
     * @notice Throws if called by any account other than the pending owner.
     */
    modifier onlyPendingOwner() {
        if (msg.sender != _pendingOwner || msg.sender == address(0))
            revert PendingOwnableUpgradeable__NotPendingOwner();
        _;
    }

    /**
     * @dev Initializes the contract setting `msg.sender` as the initial owner
     */
    function __PendingOwnable_init() internal onlyInitializing {
        __ERC165_init();
        __PendingOwnable_init_unchained();
    }

    function __PendingOwnable_init_unchained() internal onlyInitializing {
        _transferOwnership(msg.sender);
    }

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

    /**
     * @notice Returns the address of the current pending owner
     * @return The address of the current pending owner
     */
    function pendingOwner() public view virtual override returns (address) {
        return _pendingOwner;
    }

    /**
     * @notice Sets the pending owner address. This address will be able to become
     * the owner of this contract by calling {becomeOwner}
     */
    function setPendingOwner(address pendingOwner_)
        public
        virtual
        override
        onlyOwner
    {
        if (pendingOwner_ == address(0))
            revert PendingOwnableUpgradeable__AddressZero();
        if (_pendingOwner != address(0))
            revert PendingOwnableUpgradeable__PendingOwnerAlreadySet();
        _setPendingOwner(pendingOwner_);
    }

    /**
     * @notice Revoke the pending owner address. This address will not be able to
     * call {becomeOwner} to become the owner anymore.
     * Can only be called by the owner
     */
    function revokePendingOwner() public virtual override onlyOwner {
        if (_pendingOwner == address(0))
            revert PendingOwnableUpgradeable__NoPendingOwner();
        _setPendingOwner(address(0));
    }

    /**
     * @notice Transfers the ownership to the new owner (`pendingOwner`).
     * Can only be called by the pending owner
     */
    function becomeOwner() public virtual override onlyPendingOwner {
        _transferOwnership(msg.sender);
    }

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

    /**
     * @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)
        public
        view
        virtual
        override
        returns (bool)
    {
        return
            interfaceId == type(IPendingOwnableUpgradeable).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @notice Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     * @param _newOwner The address of the new owner
     */
    function _transferOwnership(address _newOwner) internal virtual {
        address _oldOwner = _owner;
        _owner = _newOwner;
        _pendingOwner = address(0);
        emit OwnershipTransferred(_oldOwner, _newOwner);
    }

    /**
     * @notice Push the new owner, it needs to be pulled to be effective.
     * Internal function without access restriction.
     * @param pendingOwner_ The address of the new pending owner
     */
    function _setPendingOwner(address pendingOwner_) internal virtual {
        _pendingOwner = pendingOwner_;
        emit PendingOwnerSet(pendingOwner_);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

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

import "../LaunchpegErrors.sol";
import "./PendingOwnableUpgradeable.sol";

abstract contract SafeAccessControlEnumerableUpgradeable is
    PendingOwnableUpgradeable,
    AccessControlEnumerableUpgradeable
{
    /**
     * @dev Modifier that checks that the role is not the `DEFAULT_ADMIN_ROLE`
     */
    modifier roleIsNotDefaultAdmin(bytes32 role) {
        if (role == DEFAULT_ADMIN_ROLE)
            revert SafeAccessControlEnumerableUpgradeable__RoleIsDefaultAdmin();
        _;
    }

    /**
     * @dev Modifier that checks that an account is the `owner` or has a specific role
     */
    modifier onlyOwnerOrRole(bytes32 role) {
        if (msg.sender != owner() && !hasRole(role, msg.sender))
            revert SafeAccessControlEnumerableUpgradeable__SenderMissingRoleAndIsNotOwner(
                role,
                msg.sender
            );
        _;
    }

    function __SafeAccessControlEnumerable_init() internal onlyInitializing {
        __PendingOwnable_init();
        __AccessControlEnumerable_init();

        __SafeAccessControlEnumerable_init_unchained();
    }

    function __SafeAccessControlEnumerable_init_unchained()
        internal
        onlyInitializing
    {}

    /**
     * @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)
        public
        view
        virtual
        override(PendingOwnableUpgradeable, AccessControlEnumerableUpgradeable)
        returns (bool)
    {
        return
            PendingOwnableUpgradeable.supportsInterface(interfaceId) ||
            AccessControlEnumerableUpgradeable.supportsInterface(interfaceId);
    }

    /**
     * @notice Grants `role` to `account`.
     * @dev If `account` had not been already granted `role`, emits a {RoleGranted} event.
     *
     * Requirements:
     *
     * - the caller must be the `owner` or have ``role``'s admin role.
     * - the role granted can't be `DEFAULT_ADMIN`
     *
     * @param role The role to grant
     * @param account The address of the account
     */
    function grantRole(bytes32 role, address account)
        public
        virtual
        override(AccessControlUpgradeable, IAccessControlUpgradeable)
        roleIsNotDefaultAdmin(role)
        onlyOwnerOrRole(getRoleAdmin(role))
    {
        _grantRole(role, account);
    }

    /**
     * @notice Revokes `role` from `account`.
     * @dev If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must be the `owner` or have ``role``'s admin role.
     * - the role revoked can't be `DEFAULT_ADMIN`
     *
     * @param role The role to revoke
     * @param account The address of the account
     */
    function revokeRole(bytes32 role, address account)
        public
        virtual
        override(AccessControlUpgradeable, IAccessControlUpgradeable)
        roleIsNotDefaultAdmin(role)
        onlyOwnerOrRole(getRoleAdmin(role))
    {
        _revokeRole(role, account);
    }

    /**
     * @notice Revokes `role` from the calling account.
     *
     * @dev 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`.
     * - the role renounced can't be `DEFAULT_ADMIN`
     *
     * @param role The role to renounce
     * @param account The address of the account
     */
    function renounceRole(bytes32 role, address account)
        public
        virtual
        override(AccessControlUpgradeable, IAccessControlUpgradeable)
        roleIsNotDefaultAdmin(role)
    {
        super.renounceRole(role, account);
    }

    /**
     * @notice Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     * @dev This also transfer the `DEFAULT_ADMIN` role to the new owner
     * @param _newOwner The address of the new owner
     */
    function _transferOwnership(address _newOwner) internal virtual override {
        _revokeRole(DEFAULT_ADMIN_ROLE, owner());
        if (_newOwner != address(0)) _grantRole(DEFAULT_ADMIN_ROLE, _newOwner);

        super._transferOwnership(_newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";

import "../LaunchpegErrors.sol";
import "../interfaces/ISafePausableUpgradeable.sol";
import "./SafeAccessControlEnumerableUpgradeable.sol";

abstract contract SafePausableUpgradeable is
    SafeAccessControlEnumerableUpgradeable,
    PausableUpgradeable,
    ISafePausableUpgradeable
{
    bytes32 public constant override PAUSER_ROLE = keccak256("PAUSER_ROLE");
    bytes32 public constant override UNPAUSER_ROLE = keccak256("UNPAUSER_ROLE");

    bytes32 public constant override PAUSER_ADMIN_ROLE =
        keccak256("PAUSER_ADMIN_ROLE");
    bytes32 public constant override UNPAUSER_ADMIN_ROLE =
        keccak256("UNPAUSER_ADMIN_ROLE");

    function __SafePausable_init() internal onlyInitializing {
        __SafeAccessControlEnumerable_init();
        __Pausable_init();

        __SafePausable_init_unchained();
    }

    function __SafePausable_init_unchained() internal onlyInitializing {
        _setRoleAdmin(PAUSER_ROLE, PAUSER_ADMIN_ROLE);
        _setRoleAdmin(UNPAUSER_ROLE, UNPAUSER_ADMIN_ROLE);
    }

    /**
     * @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)
        public
        view
        virtual
        override(SafeAccessControlEnumerableUpgradeable)
        returns (bool)
    {
        return
            interfaceId == type(ISafePausableUpgradeable).interfaceId ||
            SafeAccessControlEnumerableUpgradeable.supportsInterface(
                interfaceId
            );
    }

    /**
     * @notice Pauses the contract.
     * @dev Sensible part of a contract might be pausable for security reasons.
     *
     * Requirements:
     * - the caller must be the `owner` or have the ``role`` role.
     * - the contrat needs to be unpaused.
     */
    function pause() public virtual override onlyOwnerOrRole(PAUSER_ROLE) {
        if (paused()) revert SafePausableUpgradeable__AlreadyPaused();
        _pause();
    }

    /**
     * @notice Unpauses the contract.
     * @dev Sensible part of a contract might be pausable for security reasons.
     *
     * Requirements:
     * - the caller must be the `owner` or have the ``role`` role.
     * - the contrat needs to be unpaused.
     */
    function unpause() public virtual override onlyOwnerOrRole(UNPAUSER_ROLE) {
        if (!paused()) revert SafePausableUpgradeable__AlreadyUnpaused();
        _unpause();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);
    function register(address registrant) external;
    function registerAndSubscribe(address registrant, address subscription) external;
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;
    function unregister(address addr) external;
    function updateOperator(address registrant, address operator, bool filtered) external;
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
    function subscribe(address registrant, address registrantToSubscribe) external;
    function unsubscribe(address registrant, bool copyExistingEntries) external;
    function subscriptionOf(address addr) external returns (address registrant);
    function subscribers(address registrant) external returns (address[] memory);
    function subscriberAt(address registrant, uint256 index) external returns (address);
    function copyEntriesOf(address registrant, address registrantToCopy) external;
    function isOperatorFiltered(address registrant, address operator) external returns (bool);
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
    function filteredOperators(address addr) external returns (address[] memory);
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
    function isRegistered(address addr) external returns (bool);
    function codeHashOf(address addr) external returns (bytes32);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 60
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
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