Contract Address Details

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.18;

import "./marketplace/entrypoint/MarketplaceV3.sol";

contract PulseMarket is MarketplaceV3 {
    constructor(address _pluginMap) MarketplaceV3(_pluginMap) {
    }
}
        

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  @author  thirdweb.com
 */
library PermissionsStorage {
    bytes32 public constant PERMISSIONS_STORAGE_POSITION = keccak256("permissions.storage");

    struct Data {
        /// @dev Map from keccak256 hash of a role => a map from address => whether address has role.
        mapping(bytes32 => mapping(address => bool)) _hasRole;
        /// @dev Map from keccak256 hash of a role to role admin. See {getRoleAdmin}.
        mapping(bytes32 => bytes32) _getRoleAdmin;
    }

    function permissionsStorage() internal pure returns (Data storage permissionsData) {
        bytes32 position = PERMISSIONS_STORAGE_POSITION;
        assembly {
            permissionsData.slot := position
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

/// @author thirdweb

/**
 * @author  thirdweb.com
 */
library InitStorage {
    /// @dev The location of the storage of the entrypoint contract's data.
    bytes32 constant INIT_STORAGE_POSITION = keccak256("init.storage");

    /// @dev Layout of the entrypoint contract's storage.
    struct Data {
        bool initialized;
    }

    /// @dev Returns the entrypoint contract's data at the relevant storage location.
    function initStorage() internal pure returns (Data storage initData) {
        bytes32 position = INIT_STORAGE_POSITION;
        assembly {
            initData.slot := position
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

//   $$\     $$\       $$\                 $$\                         $$\
//   $$ |    $$ |      \__|                $$ |                        $$ |
// $$$$$$\   $$$$$$$\  $$\  $$$$$$\   $$$$$$$ |$$\  $$\  $$\  $$$$$$\  $$$$$$$\
// \_$$  _|  $$  __$$\ $$ |$$  __$$\ $$  __$$ |$$ | $$ | $$ |$$  __$$\ $$  __$$\
//   $$ |    $$ |  $$ |$$ |$$ |  \__|$$ /  $$ |$$ | $$ | $$ |$$$$$$$$ |$$ |  $$ |
//   $$ |$$\ $$ |  $$ |$$ |$$ |      $$ |  $$ |$$ | $$ | $$ |$$   ____|$$ |  $$ |
//   \$$$$  |$$ |  $$ |$$ |$$ |      \$$$$$$$ |\$$$$$\$$$$  |\$$$$$$$\ $$$$$$$  |
//    \____/ \__|  \__|\__|\__|       \_______| \_____\____/  \_______|\_______/

// ====== External imports ======
import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";

//  ==========  Internal imports    ==========
import "@thirdweb-dev/contracts/marketplace/entrypoint/InitStorage.sol";
import { RouterImmutable, Router } from "@thirdweb-dev/contracts/extension/plugin/RouterImmutable.sol";

import "@thirdweb-dev/contracts/extension/plugin/ContractMetadataLogic.sol";
import "@thirdweb-dev/contracts/extension/plugin/PlatformFeeLogic.sol";
import "@thirdweb-dev/contracts/extension/plugin/PermissionsEnumerableLogic.sol";
import "@thirdweb-dev/contracts/extension/plugin/ReentrancyGuardLogic.sol";
import "@thirdweb-dev/contracts/extension/plugin/ERC2771ContextUpgradeableLogic.sol";

/**
 * @author  thirdweb.com
 */
contract MarketplaceV3 is
    ContractMetadataLogic,
    PlatformFeeLogic,
    PermissionsEnumerableLogic,
    ReentrancyGuardLogic,
    ERC2771ContextUpgradeableLogic,
    RouterImmutable,
    IERC721Receiver,
    IERC1155Receiver
{
    /*///////////////////////////////////////////////////////////////
                            State variables
    //////////////////////////////////////////////////////////////*/

    bytes32 private constant MODULE_TYPE = bytes32("MarketplaceV3");
    uint256 private constant VERSION = 1;

    /*///////////////////////////////////////////////////////////////
                    Constructor + initializer logic
    //////////////////////////////////////////////////////////////*/

    constructor(address _pluginMap) RouterImmutable(_pluginMap) {}

    /// @dev Initiliazes the contract, like a constructor.
    function initialize(
        address _defaultAdmin,
        string memory _contractURI,
        address[] memory _trustedForwarders,
        address _platformFeeRecipient,
        uint16 _platformFeeBps
    ) external {
        InitStorage.Data storage data = InitStorage.initStorage();

        require(!data.initialized, "Already initialized.");
        data.initialized = true;

        // Initialize inherited contracts, most base-like -> most derived.
        __ReentrancyGuard_init();
        __ERC2771Context_init(_trustedForwarders);

        // Initialize this contract's state.
        _setupContractURI(_contractURI);
        _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);

        _setupRole(DEFAULT_ADMIN_ROLE, _defaultAdmin);
        _setupRole(keccak256("LISTER_ROLE"), address(0));
        _setupRole(keccak256("ASSET_ROLE"), address(0));
    }

    /*///////////////////////////////////////////////////////////////
                        Generic contract logic
    //////////////////////////////////////////////////////////////*/

    /// @dev Returns the type of the contract.
    function contractType() external pure returns (bytes32) {
        return MODULE_TYPE;
    }

    /// @dev Returns the version of the contract.
    function contractVersion() external pure returns (uint8) {
        return uint8(VERSION);
    }

    /*///////////////////////////////////////////////////////////////
                        ERC 165 / 721 / 1155 logic
    //////////////////////////////////////////////////////////////*/

    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] memory,
        uint256[] memory,
        bytes memory
    ) public virtual override returns (bytes4) {
        return this.onERC1155BatchReceived.selector;
    }

    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external pure override returns (bytes4) {
        return this.onERC721Received.selector;
    }

    function supportsInterface(bytes4 interfaceId) public view virtual override(Router, IERC165) returns (bool) {
        return
            interfaceId == type(IERC1155Receiver).interfaceId ||
            interfaceId == type(IERC721Receiver).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /*///////////////////////////////////////////////////////////////
                        Overridable Permissions
    //////////////////////////////////////////////////////////////*/

    /// @dev Checks whether platform fee info can be set in the given execution context.
    function _canSetPlatformFeeInfo() internal view override returns (bool) {
        return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
    }

    /// @dev Checks whether contract metadata can be set in the given execution context.
    function _canSetContractURI() internal view override returns (bool) {
        return hasRole(DEFAULT_ADMIN_ROLE, _msgSender());
    }

    function _msgSender()
        internal
        view
        override(ERC2771ContextUpgradeableLogic, PermissionsLogic)
        returns (address sender)
    {
        if (isTrustedForwarder(msg.sender)) {
            // The assembly code is more direct than the Solidity version using `abi.decode`.
            assembly {
                sender := shr(96, calldataload(sub(calldatasize(), 20)))
            }
        } else {
            return msg.sender;
        }
    }

    function _msgData()
        internal
        view
        override(ERC2771ContextUpgradeableLogic, PermissionsLogic)
        returns (bytes calldata)
    {
        if (isTrustedForwarder(msg.sender)) {
            return msg.data[:msg.data.length - 20];
        } else {
            return msg.data;
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./PermissionsEnumerableStorage.sol";
import "./PermissionsLogic.sol";

/**
 *  @author  thirdweb.com
 *
 *  @title   PermissionsEnumerable
 *  @dev     This contracts provides extending-contracts with role-based access control mechanisms.
 *           Also provides interfaces to view all members with a given role, and total count of members.
 */
contract PermissionsEnumerableLogic is IPermissionsEnumerable, PermissionsLogic {
    /**
     *  @notice         Returns the role-member from a list of members for a role,
     *                  at a given index.
     *  @dev            Returns `member` who has `role`, at `index` of role-members list.
     *                  See struct {RoleMembers}, and mapping {roleMembers}
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param index    Index in list of current members for the role.
     *
     *  @return member  Address of account that has `role`
     */
    function getRoleMember(bytes32 role, uint256 index) external view override returns (address member) {
        PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage();
        uint256 currentIndex = data.roleMembers[role].index;
        uint256 check;

        for (uint256 i = 0; i < currentIndex; i += 1) {
            if (data.roleMembers[role].members[i] != address(0)) {
                if (check == index) {
                    member = data.roleMembers[role].members[i];
                    return member;
                }
                check += 1;
            } else if (hasRole(role, address(0)) && i == data.roleMembers[role].indexOf[address(0)]) {
                check += 1;
            }
        }
    }

    /**
     *  @notice         Returns total number of accounts that have a role.
     *  @dev            Returns `count` of accounts that have `role`.
     *                  See struct {RoleMembers}, and mapping {roleMembers}
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *
     *  @return count   Total number of accounts that have `role`
     */
    function getRoleMemberCount(bytes32 role) external view override returns (uint256 count) {
        PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage();
        uint256 currentIndex = data.roleMembers[role].index;

        for (uint256 i = 0; i < currentIndex; i += 1) {
            if (data.roleMembers[role].members[i] != address(0)) {
                count += 1;
            }
        }
        if (hasRole(role, address(0))) {
            count += 1;
        }
    }

    /// @dev Revokes `role` from `account`, and removes `account` from {roleMembers}
    ///      See {_removeMember}
    function _revokeRole(bytes32 role, address account) internal override {
        super._revokeRole(role, account);
        _removeMember(role, account);
    }

    /// @dev Grants `role` to `account`, and adds `account` to {roleMembers}
    ///      See {_addMember}
    function _setupRole(bytes32 role, address account) internal override {
        super._setupRole(role, account);
        _addMember(role, account);
    }

    /// @dev adds `account` to {roleMembers}, for `role`
    function _addMember(bytes32 role, address account) internal {
        PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage();
        uint256 idx = data.roleMembers[role].index;
        data.roleMembers[role].index += 1;

        data.roleMembers[role].members[idx] = account;
        data.roleMembers[role].indexOf[account] = idx;
    }

    /// @dev removes `account` from {roleMembers}, for `role`
    function _removeMember(bytes32 role, address account) internal {
        PermissionsEnumerableStorage.Data storage data = PermissionsEnumerableStorage.permissionsEnumerableStorage();
        uint256 idx = data.roleMembers[role].indexOf[account];

        delete data.roleMembers[role].members[idx];
        delete data.roleMembers[role].indexOf[account];
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

/// @author thirdweb

interface IPluginMap {
    /**
     *  @notice An interface to describe a plug-in.
     *
     *  @param functionSelector     4-byte function selector.
     *  @param functionSignature    Function representation as a string. E.g. "transfer(address,address,uint256)"
     *  @param pluginAddress        Address of the contract containing the function.
     */
    struct Plugin {
        bytes4 functionSelector;
        string functionSignature;
        address pluginAddress;
    }

    /// @dev Emitted when a function selector is mapped to a particular plug-in smart contract, during construction of Map.
    event PluginSet(bytes4 indexed functionSelector, string indexed functionSignature, address indexed pluginAddress);

    /// @dev Returns the plug-in contract for a given function.
    function getPluginForFunction(bytes4 functionSelector) external view returns (address);

    /// @dev Returns all functions that are mapped to the given plug-in contract.
    function getAllFunctionsOfPlugin(address pluginAddress) external view returns (bytes4[] memory);

    /// @dev Returns all plug-ins known by Map.
    function getAllPlugins() external view returns (Plugin[] memory);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "../../extension/interface/IPermissions.sol";
import "./PermissionsStorage.sol";
import "../../lib/TWStrings.sol";

/**
 *  @author  thirdweb.com
 *
 *  @title   Permissions
 *  @dev     This contracts provides extending-contracts with role-based access control mechanisms
 */
contract PermissionsLogic is IPermissions {
    /// @dev Default admin role for all roles. Only accounts with this role can grant/revoke other roles.
    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /// @dev Modifier that checks if an account has the specified role; reverts otherwise.
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     *  @notice         Checks whether an account has a particular role.
     *  @dev            Returns `true` if `account` has been granted `role`.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param account  Address of the account for which the role is being checked.
     */
    function hasRole(bytes32 role, address account) public view override returns (bool) {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        return data._hasRole[role][account];
    }

    /**
     *  @notice         Checks whether an account has a particular role;
     *                  role restrictions can be swtiched on and off.
     *
     *  @dev            Returns `true` if `account` has been granted `role`.
     *                  Role restrictions can be swtiched on and off:
     *                      - If address(0) has ROLE, then the ROLE restrictions
     *                        don't apply.
     *                      - If address(0) does not have ROLE, then the ROLE
     *                        restrictions will apply.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param account  Address of the account for which the role is being checked.
     */
    function hasRoleWithSwitch(bytes32 role, address account) public view returns (bool) {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        if (!data._hasRole[role][address(0)]) {
            return data._hasRole[role][account];
        }

        return true;
    }

    /**
     *  @notice         Returns the admin role that controls the specified role.
     *  @dev            See {grantRole} and {revokeRole}.
     *                  To change a role's admin, use {_setRoleAdmin}.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     */
    function getRoleAdmin(bytes32 role) external view override returns (bytes32) {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        return data._getRoleAdmin[role];
    }

    /**
     *  @notice         Grants a role to an account, if not previously granted.
     *  @dev            Caller must have admin role for the `role`.
     *                  Emits {RoleGranted Event}.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param account  Address of the account to which the role is being granted.
     */
    function grantRole(bytes32 role, address account) public virtual override {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        _checkRole(data._getRoleAdmin[role], _msgSender());
        if (data._hasRole[role][account]) {
            revert("Can only grant to non holders");
        }
        _setupRole(role, account);
    }

    /**
     *  @notice         Revokes role from an account.
     *  @dev            Caller must have admin role for the `role`.
     *                  Emits {RoleRevoked Event}.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param account  Address of the account from which the role is being revoked.
     */
    function revokeRole(bytes32 role, address account) public virtual override {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        _checkRole(data._getRoleAdmin[role], _msgSender());
        _revokeRole(role, account);
    }

    /**
     *  @notice         Revokes role from the account.
     *  @dev            Caller must have the `role`, with caller being the same as `account`.
     *                  Emits {RoleRevoked Event}.
     *
     *  @param role     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     *  @param account  Address of the account from which the role is being revoked.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        if (_msgSender() != account) {
            revert("Can only renounce for self");
        }
        _revokeRole(role, account);
    }

    /// @dev Sets `adminRole` as `role`'s admin role.
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        bytes32 previousAdminRole = data._getRoleAdmin[role];
        data._getRoleAdmin[role] = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /// @dev Sets up `role` for `account`
    function _setupRole(bytes32 role, address account) internal virtual {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        data._hasRole[role][account] = true;
        emit RoleGranted(role, account, _msgSender());
    }

    /// @dev Revokes `role` from `account`
    function _revokeRole(bytes32 role, address account) internal virtual {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        _checkRole(role, account);
        delete data._hasRole[role][account];
        emit RoleRevoked(role, account, _msgSender());
    }

    /// @dev Checks `role` for `account`. Reverts with a message including the required role.
    function _checkRole(bytes32 role, address account) internal view virtual {
        PermissionsStorage.Data storage data = PermissionsStorage.permissionsStorage();
        if (!data._hasRole[role][account]) {
            revert(
                string(
                    abi.encodePacked(
                        "Permissions: account ",
                        TWStrings.toHexString(uint160(account), 20),
                        " is missing role ",
                        TWStrings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /// @dev Checks `role` for `account`. Reverts with a message including the required role.
    function _checkRoleWithSwitch(bytes32 role, address account) internal view virtual {
        if (!hasRoleWithSwitch(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "Permissions: account ",
                        TWStrings.toHexString(uint160(account), 20),
                        " is missing role ",
                        TWStrings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    function _msgSender() internal view virtual returns (address sender) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}
          

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 IERC721Receiver {
    /**
     * @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 `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
 *  for you contract.
 *
 *  Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
 */

interface IContractMetadata {
    /// @dev Returns the metadata URI of the contract.
    function contractURI() external view returns (string memory);

    /**
     *  @dev Sets contract URI for the storefront-level metadata of the contract.
     *       Only module admin can call this function.
     */
    function setContractURI(string calldata _uri) external;

    /// @dev Emitted when the contract URI is updated.
    event ContractURIUpdated(string prevURI, string newURI);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

library ReentrancyGuardStorage {
    bytes32 public constant REENTRANCY_GUARD_STORAGE_POSITION = keccak256("reentrancy.guard.storage");

    struct Data {
        uint256 _status;
    }

    function reentrancyGuardStorage() internal pure returns (Data storage reentrancyGuardData) {
        bytes32 position = REENTRANCY_GUARD_STORAGE_POSITION;
        assembly {
            reentrancyGuardData.slot := position
        }
    }
}
          

// 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 IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[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: Apache 2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "../lib/TWAddress.sol";
import "./interface/IMulticall.sol";

/**
 * @dev Provides a function to batch together multiple calls in a single external call.
 *
 * _Available since v4.1._
 */
contract Multicall is IMulticall {
    /**
     *  @notice Receives and executes a batch of function calls on this contract.
     *  @dev Receives and executes a batch of function calls on this contract.
     *
     *  @param data The bytes data that makes up the batch of function calls to execute.
     *  @return results The bytes data that makes up the result of the batch of function calls executed.
     */
    function multicall(bytes[] calldata data) external virtual override returns (bytes[] memory results) {
        results = new bytes[](data.length);
        for (uint256 i = 0; i < data.length; i++) {
            results[i] = TWAddress.functionDelegateCall(address(this), data[i]);
        }
        return results;
    }
}
          

// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./ReentrancyGuardStorage.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 ReentrancyGuardLogic {
    // 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;

    function __ReentrancyGuard_init() internal {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal {
        ReentrancyGuardStorage.Data storage data = ReentrancyGuardStorage.reentrancyGuardStorage();
        data._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() {
        ReentrancyGuardStorage.Data storage data = ReentrancyGuardStorage.reentrancyGuardStorage();
        // On the first call to nonReentrant, _notEntered will be true
        require(data._status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./ContractMetadataStorage.sol";
import "../../extension/interface/IContractMetadata.sol";

/**
 *  @author  thirdweb.com
 *
 *  @title   Contract Metadata
 *  @notice  Thirdweb's `ContractMetadata` is a contract extension for any base contracts. It lets you set a metadata URI
 *           for you contract.
 *           Additionally, `ContractMetadata` is necessary for NFT contracts that want royalties to get distributed on OpenSea.
 */

abstract contract ContractMetadataLogic is IContractMetadata {
    /// @dev Returns the metadata URI of the contract.
    function contractURI() public view returns (string memory) {
        ContractMetadataStorage.Data storage data = ContractMetadataStorage.contractMetadataStorage();
        return data.contractURI;
    }

    /**
     *  @notice         Lets a contract admin set the URI for contract-level metadata.
     *  @dev            Caller should be authorized to setup contractURI, e.g. contract admin.
     *                  See {_canSetContractURI}.
     *                  Emits {ContractURIUpdated Event}.
     *
     *  @param _uri     keccak256 hash of the role. e.g. keccak256("TRANSFER_ROLE")
     */
    function setContractURI(string memory _uri) external override {
        if (!_canSetContractURI()) {
            revert("Not authorized");
        }

        _setupContractURI(_uri);
    }

    /// @dev Lets a contract admin set the URI for contract-level metadata.
    function _setupContractURI(string memory _uri) internal {
        ContractMetadataStorage.Data storage data = ContractMetadataStorage.contractMetadataStorage();
        string memory prevURI = data.contractURI;
        data.contractURI = _uri;

        emit ContractURIUpdated(prevURI, _uri);
    }

    /// @dev Returns whether contract metadata can be set in the given execution context.
    function _canSetContractURI() internal view virtual returns (bool);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

library ERC2771ContextStorage {
    bytes32 public constant ERC2771_CONTEXT_STORAGE_POSITION = keccak256("erc2771.context.storage");

    struct Data {
        mapping(address => bool) _trustedForwarder;
    }

    function erc2771ContextStorage() internal pure returns (Data storage erc2771ContextData) {
        bytes32 position = ERC2771_CONTEXT_STORAGE_POSITION;
        assembly {
            erc2771ContextData.slot := position
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./PlatformFeeStorage.sol";
import "../../extension/interface/IPlatformFee.sol";

/**
 *  @author  thirdweb.com
 *
 *  @title   Platform Fee
 *  @notice  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
 *           the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
 *           that uses information about platform fees, if desired.
 */

abstract contract PlatformFeeLogic is IPlatformFee {
    /// @dev Returns the platform fee recipient and bps.
    function getPlatformFeeInfo() public view override returns (address, uint16) {
        PlatformFeeStorage.Data storage data = PlatformFeeStorage.platformFeeStorage();
        return (data.platformFeeRecipient, uint16(data.platformFeeBps));
    }

    /**
     *  @notice         Updates the platform fee recipient and bps.
     *  @dev            Caller should be authorized to set platform fee info.
     *                  See {_canSetPlatformFeeInfo}.
     *                  Emits {PlatformFeeInfoUpdated Event}; See {_setupPlatformFeeInfo}.
     *
     *  @param _platformFeeRecipient   Address to be set as new platformFeeRecipient.
     *  @param _platformFeeBps         Updated platformFeeBps.
     */
    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external override {
        if (!_canSetPlatformFeeInfo()) {
            revert("Not authorized");
        }
        _setupPlatformFeeInfo(_platformFeeRecipient, _platformFeeBps);
    }

    /// @dev Lets a contract admin update the platform fee recipient and bps
    function _setupPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) internal {
        PlatformFeeStorage.Data storage data = PlatformFeeStorage.platformFeeStorage();
        if (_platformFeeBps > 10_000) {
            revert("Exceeds max bps");
        }

        data.platformFeeBps = uint16(_platformFeeBps);
        data.platformFeeRecipient = _platformFeeRecipient;

        emit PlatformFeeInfoUpdated(_platformFeeRecipient, _platformFeeBps);
    }

    /// @dev Returns whether platform fee info can be set in the given execution context.
    function _canSetPlatformFeeInfo() internal view virtual returns (bool);
}
          

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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.
 *
 * [WARNING]
 * ====
 *  Trying to delete such a structure from storage will likely result in data corruption, rendering the structure unusable.
 *  See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 *  In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // 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;

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

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

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

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

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

    /**
     * @dev Returns the number of values 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;

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

        return result;
    }
}
          

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev _Available since v3.1._
 */
interface IERC1155Receiver is IERC165 {
    /**
     * @dev Handles the receipt of a single ERC1155 token type. This function is
     * called at the end of a `safeTransferFrom` after the balance has been updated.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
     * (i.e. 0xf23a6e61, or its own function selector).
     *
     * @param operator The address which initiated the transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param id The ID of the token being transferred
     * @param value The amount of tokens being transferred
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
     */
    function onERC1155Received(
        address operator,
        address from,
        uint256 id,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);

    /**
     * @dev Handles the receipt of a multiple ERC1155 token types. This function
     * is called at the end of a `safeBatchTransferFrom` after the balances have
     * been updated.
     *
     * NOTE: To accept the transfer(s), this must return
     * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
     * (i.e. 0xbc197c81, or its own function selector).
     *
     * @param operator The address which initiated the batch transfer (i.e. msg.sender)
     * @param from The address which previously owned the token
     * @param ids An array containing ids of each token being transferred (order and length must match values array)
     * @param values An array containing amounts of each token being transferred (order and length must match ids array)
     * @param data Additional data with no specified format
     * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
     */
    function onERC1155BatchReceived(
        address operator,
        address from,
        uint256[] calldata ids,
        uint256[] calldata values,
        bytes calldata data
    ) external returns (bytes4);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "../interface/plugin/IRouter.sol";
import "../../extension/Multicall.sol";
import "../../eip/ERC165.sol";
import "../../openzeppelin-presets/utils/EnumerableSet.sol";

/**
 *  @author  thirdweb.com
 */
library RouterStorage {
    bytes32 public constant ROUTER_STORAGE_POSITION = keccak256("router.storage");

    struct Data {
        EnumerableSet.Bytes32Set allSelectors;
        mapping(address => EnumerableSet.Bytes32Set) selectorsForPlugin;
        mapping(bytes4 => IPluginMap.Plugin) pluginForSelector;
    }

    function routerStorage() internal pure returns (Data storage routerData) {
        bytes32 position = ROUTER_STORAGE_POSITION;
        assembly {
            routerData.slot := position
        }
    }
}

abstract contract Router is Multicall, ERC165, IRouter {
    using EnumerableSet for EnumerableSet.Bytes32Set;
    /*///////////////////////////////////////////////////////////////
                            State variables
    //////////////////////////////////////////////////////////////*/

    address public immutable pluginMap;

    /*///////////////////////////////////////////////////////////////
                    Constructor + initializer logic
    //////////////////////////////////////////////////////////////*/

    constructor(address _pluginMap) {
        pluginMap = _pluginMap;
    }

    /*///////////////////////////////////////////////////////////////
                                ERC 165
    //////////////////////////////////////////////////////////////*/

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

    /*///////////////////////////////////////////////////////////////
                        Generic contract logic
    //////////////////////////////////////////////////////////////*/

    fallback() external payable virtual {
        address _pluginAddress = _getPluginForFunction(msg.sig);
        if (_pluginAddress == address(0)) {
            _pluginAddress = IPluginMap(pluginMap).getPluginForFunction(msg.sig);
        }
        _delegate(_pluginAddress);
    }

    receive() external payable {}

    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /*///////////////////////////////////////////////////////////////
                        External functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Add functionality to the contract.
    function addPlugin(Plugin memory _plugin) external {
        require(_canSetPlugin(), "Router: Not authorized");

        _addPlugin(_plugin);
    }

    /// @dev Update or override existing functionality.
    function updatePlugin(Plugin memory _plugin) external {
        require(_canSetPlugin(), "Map: Not authorized");

        _updatePlugin(_plugin);
    }

    /// @dev Remove existing functionality from the contract.
    function removePlugin(bytes4 _selector) external {
        require(_canSetPlugin(), "Map: Not authorized");

        _removePlugin(_selector);
    }

    /*///////////////////////////////////////////////////////////////
                            View functions
    //////////////////////////////////////////////////////////////*/

    /// @dev View address of the plugged-in functionality contract for a given function signature.
    function getPluginForFunction(bytes4 _selector) public view returns (address) {
        address pluginAddress = _getPluginForFunction(_selector);

        return pluginAddress != address(0) ? pluginAddress : IPluginMap(pluginMap).getPluginForFunction(_selector);
    }

    /// @dev View all funtionality as list of function signatures.
    function getAllFunctionsOfPlugin(address _pluginAddress) external view returns (bytes4[] memory registered) {
        RouterStorage.Data storage data = RouterStorage.routerStorage();

        EnumerableSet.Bytes32Set storage selectorsForPlugin = data.selectorsForPlugin[_pluginAddress];
        bytes4[] memory defaultSelectors = IPluginMap(pluginMap).getAllFunctionsOfPlugin(_pluginAddress);

        uint256 len = defaultSelectors.length;
        uint256 count = selectorsForPlugin.length() + defaultSelectors.length;

        for (uint256 i = 0; i < len; i += 1) {
            if (selectorsForPlugin.contains(defaultSelectors[i])) {
                count -= 1;
                defaultSelectors[i] = bytes4(0);
            }
        }

        registered = new bytes4[](count);
        uint256 index;

        for (uint256 i = 0; i < len; i += 1) {
            if (defaultSelectors[i] != bytes4(0)) {
                registered[index++] = defaultSelectors[i];
            }
        }

        len = selectorsForPlugin.length();
        for (uint256 i = 0; i < len; i += 1) {
            registered[index++] = bytes4(data.selectorsForPlugin[_pluginAddress].at(i));
        }
    }

    /// @dev View all funtionality existing on the contract.
    function getAllPlugins() external view returns (Plugin[] memory registered) {
        RouterStorage.Data storage data = RouterStorage.routerStorage();

        EnumerableSet.Bytes32Set storage overrideSelectors = data.allSelectors;
        Plugin[] memory defaultPlugins = IPluginMap(pluginMap).getAllPlugins();

        uint256 overrideSelectorsLen = overrideSelectors.length();
        uint256 defaultPluginsLen = defaultPlugins.length;

        uint256 totalCount = overrideSelectorsLen + defaultPluginsLen;

        for (uint256 i = 0; i < overrideSelectorsLen; i += 1) {
            for (uint256 j = 0; j < defaultPluginsLen; j += 1) {
                if (bytes4(overrideSelectors.at(i)) == defaultPlugins[j].functionSelector) {
                    totalCount -= 1;
                    defaultPlugins[j].functionSelector = bytes4(0);
                }
            }
        }

        registered = new Plugin[](totalCount);
        uint256 index;

        for (uint256 i = 0; i < defaultPluginsLen; i += 1) {
            if (defaultPlugins[i].functionSelector != bytes4(0)) {
                registered[index] = defaultPlugins[i];
                index += 1;
            }
        }

        for (uint256 i = 0; i < overrideSelectorsLen; i += 1) {
            registered[index] = data.pluginForSelector[bytes4(overrideSelectors.at(i))];
            index += 1;
        }
    }

    /*///////////////////////////////////////////////////////////////
                        Internal functions
    //////////////////////////////////////////////////////////////*/

    /// @dev View address of the plugged-in functionality contract for a given function signature.
    function _getPluginForFunction(bytes4 _selector) public view returns (address) {
        RouterStorage.Data storage data = RouterStorage.routerStorage();
        address _pluginAddress = data.pluginForSelector[_selector].pluginAddress;

        return _pluginAddress;
    }

    /// @dev Add functionality to the contract.
    function _addPlugin(Plugin memory _plugin) internal {
        RouterStorage.Data storage data = RouterStorage.routerStorage();

        // Revert: default plugin exists for function; use updatePlugin instead.
        try IPluginMap(pluginMap).getPluginForFunction(_plugin.functionSelector) returns (address) {
            revert("Router: default plugin exists for function.");
        } catch {
            require(data.allSelectors.add(bytes32(_plugin.functionSelector)), "Router: plugin exists for function.");
        }

        require(
            _plugin.functionSelector == bytes4(keccak256(abi.encodePacked(_plugin.functionSignature))),
            "Router: fn selector and signature mismatch."
        );

        data.pluginForSelector[_plugin.functionSelector] = _plugin;
        data.selectorsForPlugin[_plugin.pluginAddress].add(bytes32(_plugin.functionSelector));

        emit PluginAdded(_plugin.functionSelector, _plugin.pluginAddress);
    }

    /// @dev Update or override existing functionality.
    function _updatePlugin(Plugin memory _plugin) internal {
        address currentPlugin = getPluginForFunction(_plugin.functionSelector);
        require(
            _plugin.functionSelector == bytes4(keccak256(abi.encodePacked(_plugin.functionSignature))),
            "Router: fn selector and signature mismatch."
        );

        RouterStorage.Data storage data = RouterStorage.routerStorage();
        data.allSelectors.add(bytes32(_plugin.functionSelector));
        data.pluginForSelector[_plugin.functionSelector] = _plugin;
        data.selectorsForPlugin[currentPlugin].remove(bytes32(_plugin.functionSelector));
        data.selectorsForPlugin[_plugin.pluginAddress].add(bytes32(_plugin.functionSelector));

        emit PluginUpdated(_plugin.functionSelector, currentPlugin, _plugin.pluginAddress);
    }

    /// @dev Remove existing functionality from the contract.
    function _removePlugin(bytes4 _selector) internal {
        RouterStorage.Data storage data = RouterStorage.routerStorage();
        address currentPlugin = _getPluginForFunction(_selector);
        require(currentPlugin != address(0), "Router: No plugin available for selector");

        delete data.pluginForSelector[_selector];
        data.allSelectors.remove(_selector);
        data.selectorsForPlugin[currentPlugin].remove(bytes32(_selector));

        emit PluginRemoved(_selector, currentPlugin);
    }

    function _canSetPlugin() internal view virtual returns (bool);
}
          

// 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
 * [EIP](https://eips.ethereum.org/EIPS/eip-165).
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * 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: Apache 2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 * @dev String operations.
 */
library TWStrings {
    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: Apache 2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 * @dev Collection of functions related to the address type
 */
library TWAddress {
    /**
     * @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.
     *
     * [EIP1884](https://eips.ethereum.org/EIPS/eip-1884) 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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(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: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  Thirdweb's `PlatformFee` is a contract extension to be used with any base contract. It exposes functions for setting and reading
 *  the recipient of platform fee and the platform fee basis points, and lets the inheriting contract perform conditional logic
 *  that uses information about platform fees, if desired.
 */

interface IPlatformFee {
    /// @dev Fee type variants: percentage fee and flat fee
    enum PlatformFeeType {
        Bps,
        Flat
    }

    /// @dev Returns the platform fee bps and recipient.
    function getPlatformFeeInfo() external view returns (address, uint16);

    /// @dev Lets a module admin update the fees on primary sales.
    function setPlatformFeeInfo(address _platformFeeRecipient, uint256 _platformFeeBps) external;

    /// @dev Emitted when fee on primary sales is updated.
    event PlatformFeeInfoUpdated(address indexed platformFeeRecipient, uint256 platformFeeBps);

    /// @dev Emitted when the flat platform fee is updated.
    event FlatPlatformFeeUpdated(address platformFeeRecipient, uint256 flatFee);

    /// @dev Emitted when the platform fee type is updated.
    event PlatformFeeTypeUpdated(PlatformFeeType feeType);
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  @author  thirdweb.com
 */
library PlatformFeeStorage {
    bytes32 public constant PLATFORM_FEE_STORAGE_POSITION = keccak256("platform.fee.storage");

    struct Data {
        /// @dev The address that receives all platform fees from all sales.
        address platformFeeRecipient;
        /// @dev The % of primary sales collected as platform fees.
        uint16 platformFeeBps;
    }

    function platformFeeStorage() internal pure returns (Data storage platformFeeData) {
        bytes32 position = PLATFORM_FEE_STORAGE_POSITION;
        assembly {
            platformFeeData.slot := position
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 *  @author  thirdweb.com
 */
library ContractMetadataStorage {
    bytes32 public constant CONTRACT_METADATA_STORAGE_POSITION = keccak256("contract.metadata.storage");

    struct Data {
        string contractURI;
    }

    function contractMetadataStorage() internal pure returns (Data storage contractMetadataData) {
        bytes32 position = CONTRACT_METADATA_STORAGE_POSITION;
        assembly {
            contractMetadataData.slot := position
        }
    }
}
          

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

pragma solidity ^0.8.0;

import "./interface/IERC165.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 ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "../../extension/interface/IPermissionsEnumerable.sol";

/**
 *  @author  thirdweb.com
 */
library PermissionsEnumerableStorage {
    bytes32 public constant PERMISSIONS_ENUMERABLE_STORAGE_POSITION = keccak256("permissions.enumerable.storage");

    /**
     *  @notice A data structure to store data of members for a given role.
     *
     *  @param index    Current index in the list of accounts that have a role.
     *  @param members  map from index => address of account that has a role
     *  @param indexOf  map from address => index which the account has.
     */
    struct RoleMembers {
        uint256 index;
        mapping(uint256 => address) members;
        mapping(address => uint256) indexOf;
    }

    struct Data {
        /// @dev map from keccak256 hash of a role to its members' data. See {RoleMembers}.
        mapping(bytes32 => RoleMembers) roleMembers;
    }

    function permissionsEnumerableStorage() internal pure returns (Data storage permissionsEnumerableData) {
        bytes32 position = PERMISSIONS_ENUMERABLE_STORAGE_POSITION;
        assembly {
            permissionsEnumerableData.slot := position
        }
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.11;

/// @author thirdweb

import "./IPluginMap.sol";

interface IRouter is IPluginMap {
    /// @dev Emitted when a functionality is added, or plugged-in.
    event PluginAdded(bytes4 indexed functionSelector, address indexed pluginAddress);

    /// @dev Emitted when a functionality is updated or overridden.
    event PluginUpdated(
        bytes4 indexed functionSelector,
        address indexed oldPluginAddress,
        address indexed newPluginAddress
    );

    /// @dev Emitted when a functionality is removed.
    event PluginRemoved(bytes4 indexed functionSelector, address indexed pluginAddress);

    /// @dev Add a new plugin to the contract.
    function addPlugin(Plugin memory plugin) external;

    /// @dev Update / override an existing plugin.
    function updatePlugin(Plugin memory plugin) external;

    /// @dev Remove an existing plugin from the contract.
    function removePlugin(bytes4 functionSelector) external;
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./IPermissions.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IPermissionsEnumerable is IPermissions {
    /**
     * @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
     * [forum post](https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296)
     * 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: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./Router.sol";

/**
 *  @author  thirdweb.com
 */
contract RouterImmutable is Router {
    /*///////////////////////////////////////////////////////////////
                    Constructor + initializer logic
    //////////////////////////////////////////////////////////////*/

    constructor(address _pluginMap) Router(_pluginMap) {}

    /*///////////////////////////////////////////////////////////////
                        Internal functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Returns whether plug-in can be set in the given execution context.
    function _canSetPlugin() internal pure override returns (bool) {
        return false;
    }
}
          

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IPermissions {
    /**
     * @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: Apache-2.0
pragma solidity ^0.8.0;

/// @author thirdweb

import "./ERC2771ContextStorage.sol";

/**
 * @dev Context variant with ERC2771 support.
 */
abstract contract ERC2771ContextUpgradeableLogic {
    function __ERC2771Context_init(address[] memory trustedForwarder) internal {
        __ERC2771Context_init_unchained(trustedForwarder);
    }

    function __ERC2771Context_init_unchained(address[] memory trustedForwarder) internal {
        ERC2771ContextStorage.Data storage data = ERC2771ContextStorage.erc2771ContextStorage();

        for (uint256 i = 0; i < trustedForwarder.length; i++) {
            data._trustedForwarder[trustedForwarder[i]] = true;
        }
    }

    function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
        ERC2771ContextStorage.Data storage data = ERC2771ContextStorage.erc2771ContextStorage();
        return data._trustedForwarder[forwarder];
    }

    function _msgSender() internal view virtual returns (address sender) {
        if (isTrustedForwarder(msg.sender)) {
            // The assembly code is more direct than the Solidity version using `abi.decode`.
            assembly {
                sender := shr(96, calldataload(sub(calldatasize(), 20)))
            }
        } else {
            return msg.sender;
        }
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        if (isTrustedForwarder(msg.sender)) {
            return msg.data[:msg.data.length - 20];
        } else {
            return msg.data;
        }
    }
}
          

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

/// @author thirdweb

/**
 * @dev Provides a function to batch together multiple calls in a single external call.
 *
 * _Available since v4.1._
 */
interface IMulticall {
    /**
     * @dev Receives and executes a batch of function calls on this contract.
     */
    function multicall(bytes[] calldata data) external returns (bytes[] memory results);
}