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// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity ^0.8.15;
import {Strings} from "openzeppelin-contracts/utils/Strings.sol";
import {GenArt721CoreV3_Engine_Flex_PROOF} from "artblocks-contracts/GenArt721CoreV3_Engine_Flex_PROOF.sol";
import {ERC721A, ERC721ACommon, BaseTokenURI, ERC721ACommonBaseTokenURI} from "ethier/erc721/BaseTokenURI.sol";
import {OperatorFilterOS} from "ethier/erc721/OperatorFilterOS.sol";
import {artblocksTokenID} from "proof/artblocks/TokenIDMapping.sol";
import {IGenArt721CoreContractV3_Mintable} from "proof/artblocks/IGenArt721CoreContractV3_Mintable.sol";
import {SellableERC721ACommon} from "proof/sellers/sellable/SellableERC721ACommon.sol";
import {ProjectsConfig} from "./ProjectsConfig.sol";
import {TokenInfoManager} from "./TokenInfoManager.sol";
/**
 * @notice Library for encoding and decoding purchase data for the Diamond Exhibition sellers.
 */
library DiamondExhibitionLib {
    function encodePurchaseData(uint8[] memory projectIds) internal pure returns (bytes memory) {
        return abi.encode(projectIds);
    }
    function dencodePurchaseData(bytes memory data) internal pure returns (uint8[] memory) {
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
import "./math/Math.sol";
/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;
    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
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// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity 0.8.17;
// Created By: Art Blocks Inc.
import "./interfaces/0.8.x/IRandomizerV2.sol";
import "./interfaces/0.8.x/IAdminACLV0.sol";
import "./interfaces/0.8.x/IEngineRegistryV0.sol";
import "./interfaces/0.8.x/IGenArt721CoreContractV3_Engine_Flex.sol";
import "./interfaces/0.8.x/IDependencyRegistryCompatibleV0.sol";
import "./interfaces/0.8.x/IManifold.sol";
import "@openzeppelin-4.7/contracts/access/Ownable.sol";
import "./libs/0.8.x/ERC721_PackedHashSeed.sol";
import "./libs/0.8.x/BytecodeStorage.sol";
import "./libs/0.8.x/Bytes32Strings.sol";
/**
 * @title Art Blocks Engine Flex ERC-721 core contract, V3.
 * @author Art Blocks Inc.
 * @notice Privileged Roles and Ownership:
 * This contract is designed to be managed, with progressively limited powers
 * as a project progresses from active to locked.
 * Privileged roles and abilities are controlled by the admin ACL contract and
 * artists. Both of these roles hold extensive power and can arbitrarily
 * control and modify portions of projects, dependent upon project state. After
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// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;
import {AccessControlEnumerable} from "../utils/AccessControlEnumerable.sol";
import {ERC721A, ERC721ACommon} from "./ERC721ACommon.sol";
/**
 * @notice ERC721 extension that implements a commonly used _baseURI() function
 * to return an URL prefix that can be set by the contract steerer.
 */
contract BaseTokenURI is AccessControlEnumerable {
    /**
     * @notice Base token URI used as a prefix by tokenURI().
     */
    string private _baseTokenURI;
    constructor(string memory baseTokenURI_) {
        _setBaseTokenURI(baseTokenURI_);
    }
    /**
     * @notice Sets the base token URI prefix.
     * @dev Only callable by the contract steerer.
     */
    function setBaseTokenURI(string memory baseTokenURI_)
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// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;
import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {DefaultOperatorFilterer} from "operator-filter-registry/src/DefaultOperatorFilterer.sol";
import {ERC721A, ERC721ACommon} from "./ERC721ACommon.sol";
/**
 * @notice ERC721ACommon extension that adds Opensea's operator filtering.
 */
abstract contract OperatorFilterOS is ERC721ACommon, DefaultOperatorFilterer {
    using Address for address;
    /**
     * @notice Calling the operator filter registry with given calldata.
     * @dev The registry contract did not foresee role-based contract access
     * control -- only the contract itself, or its (EIP-173) owner is allowed to
     * change subscription settings. To work around this, we enforce
     * authorisation here and forward arbitrary calldata to the registry.
     * Use with care!
     */
    function callOperatorFilterRegistry(bytes calldata cdata)
        external
        onlyRole(DEFAULT_STEERING_ROLE)
        returns (bytes memory)
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// SPDX-License-Identifier: MIT
// Copyright 2023 Proof Holdings Inc.
pragma solidity ^0.8.0;
uint256 constant AB_ENGINE_PROJECT_MULTIPLIER = 1_000_000;
function artblocksTokenID(uint256 projectId, uint256 edition) pure returns (uint256) {
    return (projectId * AB_ENGINE_PROJECT_MULTIPLIER) + edition;
}
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// SPDX-License-Identifier: MIT
// Copyright 2023 Proof Holdings Inc.
pragma solidity >=0.8.0;
/**
 * @notice IGenArt721CoreContractV3_Base minting interface
 */
interface IGenArt721CoreContractV3_Mintable {
    function mint_Ecf(address to, uint256 projectId, address sender) external returns (uint256 _tokenId);
}
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// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;
import {ERC721ACommon} from "ethier/erc721/ERC721ACommon.sol";
import {AccessControlEnumerable, BaseSellable} from "./BaseSellable.sol";
/**
 * @notice Base contract for sellable ERC721ACommon tokens.
 */
abstract contract SellableERC721ACommon is BaseSellable, ERC721ACommon {
    /**
     * @inheritdoc BaseSellable
     */
    function _handleSale(address to, uint64 num, bytes calldata) internal virtual override {
        _mint(to, num);
    }
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721ACommon, AccessControlEnumerable)
        returns (bool)
    {
        return ERC721ACommon.supportsInterface(interfaceId) || AccessControlEnumerable.supportsInterface(interfaceId);
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// SPDX-License-Identifier: MIT
// Copyright 2023 Proof Holdings Inc.
pragma solidity >=0.8.17;
/**
 * @notice Diamond Exhibition - Projects configuration.
 * @author David Huber (@cxkoda)
 * @custom:reviewer Arran Schlosberg (@divergencearran)
 */
contract ProjectsConfig {
    /**
     * @notice The number of longform projects.
     */
    uint8 internal constant _NUM_LONGFORM_PROJECTS = 11;
    /**
     * @notice The number of pre-curated projects.
     */
    uint8 internal constant _NUM_CURATED_PROJECTS = 10;
    /**
     * @notice The total number of projects.
     */
    uint8 public constant NUM_PROJECTS = _NUM_LONGFORM_PROJECTS + _NUM_CURATED_PROJECTS;
    /**
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// SPDX-License-Identifier: MIT
// Copyright 2023 Proof Holdings Inc.
pragma solidity >=0.8.17;
/**
 * @notice Token information module for Diamond Exhibition.
 * @author David Huber (@cxkoda)
 * @custom:reviewer Arran Schlosberg (@divergencearran)
 */
contract TokenInfoManager {
    /**
     * @notice Encodes token information.
     * @param projectId the ID of the project associated with the token.
     * @param edition the edition of the token within the given project.
     */
    struct TokenInfo {
        uint8 projectId;
        uint16 edition;
    }
    /**
     * @notice Max numbers of tokens that this contract can store.
     * @dev This constant is intentionally very large so we never have to worry about it.
     */
    uint256 internal constant _NUM_MAX_TOKEN_INFO = (1 << 32);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }
    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
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// SPDX-License-Identifier: LGPL-3.0-only
// Creatd By: Art Blocks Inc.
pragma solidity ^0.8.0;
import "./IGenArt721CoreContractV3_Base.sol";
interface IRandomizerV2 {
    // The core contract that may interact with this randomizer contract.
    function genArt721Core()
        external
        view
        returns (IGenArt721CoreContractV3_Base);
    // When a core contract calls this, it can be assured that the randomizer
    // will set a bytes32 hash for tokenId `_tokenId` on the core contract.
    function assignTokenHash(uint256 _tokenId) external;
}
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.0;
interface IAdminACLV0 {
    /**
     * @notice Token ID `_tokenId` minted to `_to`.
     * @param previousSuperAdmin The previous superAdmin address.
     * @param newSuperAdmin The new superAdmin address.
     * @param genArt721CoreAddressesToUpdate Array of genArt721Core
     * addresses to update to the new superAdmin, for indexing purposes only.
     */
    event SuperAdminTransferred(
        address indexed previousSuperAdmin,
        address indexed newSuperAdmin,
        address[] genArt721CoreAddressesToUpdate
    );
    /// Type of the Admin ACL contract, e.g. "AdminACLV0"
    function AdminACLType() external view returns (string memory);
    /// super admin address
    function superAdmin() external view returns (address);
    /**
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.17;
interface IEngineRegistryV0 {
    /// ADDRESS
    /**
     * @notice contract has been registered as a contract that is powered by the Art Blocks Engine.
     */
    event ContractRegistered(
        address indexed _contractAddress,
        bytes32 _coreVersion,
        bytes32 _coreType
    );
    /// ADDRESS
    /**
     * @notice contract has been unregistered as a contract that is powered by the Art Blocks Engine.
     */
    event ContractUnregistered(address indexed _contractAddress);
    /**
     * @notice Emits a `ContractRegistered` event with the provided information.
     * @dev this function should be gated to only deployer addresses.
     */
    function registerContract(
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.0;
import "./IAdminACLV0.sol";
import "./IGenArt721CoreContractV3_Engine.sol";
/**
 * @title This interface is intended to house interface items that are common
 * across all GenArt721CoreContractV3 Engine Flex and derivative implementations.
 * @author Art Blocks Inc.
 */
interface IGenArt721CoreContractV3_Engine_Flex is
    IGenArt721CoreContractV3_Engine
{
    /**
     * @notice When an external asset dependency is updated or added, this event is emitted.
     * @param _projectId The project ID of the project that was updated.
     * @param _index The index of the external asset dependency that was updated.
     * @param _cid The content ID of the external asset dependency. This is an empty string
     * if the dependency type is ONCHAIN.
     * @param _dependencyType The type of the external asset dependency.
     * @param _externalAssetDependencyCount The number of external asset dependencies.
     */
    event ExternalAssetDependencyUpdated(
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.17;
interface IDependencyRegistryCompatibleV0 {
    /// Dependency registry managed by Art Blocks
    function artblocksDependencyRegistryAddress()
        external
        view
        returns (address);
    /**
     * @notice Returns script information for project `_projectId`.
     * @param _projectId Project to be queried.
     * @return scriptTypeAndVersion Project's script type and version
     * (e.g. "p5js(atSymbol)1.0.0")
     * @return aspectRatio Aspect ratio of project (e.g. "1" for square,
     * "1.77777778" for 16:9, etc.)
     * @return scriptCount Count of scripts for project
     */
    function projectScriptDetails(
        uint256 _projectId
    )
        external
        view
        returns (
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @dev Royalty Registry interface, used to support the Royalty Registry.
/// @dev Source: https://github.com/manifoldxyz/royalty-registry-solidity/blob/main/contracts/specs/IManifold.sol
/// @author: manifold.xyz
/**
 * @dev Royalty interface for creator core classes
 */
interface IManifold {
    /**
     * @dev Get royalites of a token.  Returns list of receivers and basisPoints
     *
     *  bytes4(keccak256('getRoyalties(uint256)')) == 0xbb3bafd6
     *
     *  => 0xbb3bafd6 = 0xbb3bafd6
     */
    function getRoyalties(
        uint256 tokenId
    ) external view returns (address payable[] memory, uint256[] memory);
}
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)
pragma solidity ^0.8.0;
import "@openzeppelin-4.7/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin-4.7/contracts/token/ERC721/IERC721Receiver.sol";
import "@openzeppelin-4.7/contracts/token/ERC721/extensions/IERC721Metadata.sol";
import "@openzeppelin-4.7/contracts/utils/Address.sol";
import "@openzeppelin-4.7/contracts/utils/Context.sol";
import "@openzeppelin-4.7/contracts/utils/Strings.sol";
import "@openzeppelin-4.7/contracts/utils/introspection/ERC165.sol";
/**
 * @dev Forked version of the OpenZeppelin v4.7.1 ERC721 contract. Utilizes a
 * struct to pack owner and hash seed into a single storage slot.
 * ---------------------
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721_PackedHashSeed is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;
    // Token name
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.0;
/**
 * @title Art Blocks Script Storage Library
 * @notice Utilize contract bytecode as persistant storage for large chunks of script string data.
 *
 * @author Art Blocks Inc.
 * @author Modified from 0xSequence (https://github.com/0xsequence/sstore2/blob/master/contracts/SSTORE2.sol)
 * @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SSTORE2.sol)
 *
 * @dev Compared to the above two rerferenced libraries, this contracts-as-storage implementation makes a few
 *      notably different design decisions:
 *      - uses the `string` data type for input/output on reads, rather than speaking in bytes directly
 *      - exposes "delete" functionality, allowing no-longer-used storage to be purged from chain state
 *      - stores the "writer" address (library user) in the deployed contract bytes, which is useful for both:
 *         a) providing necessary information for safe deletion; and
 *         b) allowing this to be introspected on-chain
 *      Also, given that much of this library is written in assembly, this library makes use of a slightly
 *      different convention (when compared to the rest of the Art Blocks smart contract repo) around
 *      pre-defining return values in some cases in order to simplify need to directly memory manage these
 *      return values.
 */
library BytecodeStorage {
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
// Inspired by: https://ethereum.stackexchange.com/a/123950/103422
pragma solidity ^0.8.0;
/**
 * @dev Operations on bytes32 data type, dealing with conversion to string.
 */
library Bytes32Strings {
    /**
     * @dev Intended to convert a `bytes32`-encoded string literal to `string`.
     * Trims zero padding to arrive at original string literal.
     */
    function toString(
        bytes32 source
    ) internal pure returns (string memory result) {
        uint8 length = 0;
        while (source[length] != 0 && length < 32) {
            length++;
        }
        assembly {
            // free memory pointer
            result := mload(0x40)
            // update free memory pointer to new "memory end"
            // (offset is 64-bytes: 32 for length, 32 for data)
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// SPDX-License-Identifier: MIT
// Copyright (c) 2023 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;
import {AccessControlEnumerable as ACE} from "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
contract AccessControlEnumerable is ACE {
    /// @notice The default role intended to perform access-restricted actions.
    /// @dev We are using this instead of DEFAULT_ADMIN_ROLE because the latter
    /// is intended to grant/revoke roles and will be secured differently.
    bytes32 public constant DEFAULT_STEERING_ROLE =
        keccak256("DEFAULT_STEERING_ROLE");
    /// @dev Overrides supportsInterface so that inheriting contracts can
    /// reference this contract instead of OZ's version for further overrides.
    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ACE)
        returns (bool)
    {
        return ACE.supportsInterface(interfaceId);
    }
}
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// SPDX-License-Identifier: MIT
// Copyright (c) 2022 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;
import {ERC721A} from "erc721a/contracts/ERC721A.sol";
import {ERC2981} from "@openzeppelin/contracts/token/common/ERC2981.sol";
import {AccessControlEnumerable} from "../utils/AccessControlEnumerable.sol";
import {AccessControlPausable} from "../utils/AccessControlPausable.sol";
import {ERC4906} from "./ERC4906.sol";
/**
@notice An ERC721A contract with common functionality:
 - Pausable with toggling functions exposed to Owner only
 - ERC2981 royalties
 */
contract ERC721ACommon is ERC721A, AccessControlPausable, ERC2981, ERC4906 {
    constructor(
        address admin,
        address steerer,
        string memory name,
        string memory symbol,
        address payable royaltyReciever,
        uint96 royaltyBasisPoints
    ) ERC721A(name, symbol) {
        _setDefaultRoyalty(royaltyReciever, royaltyBasisPoints);
        _grantRole(DEFAULT_ADMIN_ROLE, admin);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @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
     * ====
     *
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
import {OperatorFilterer} from "./OperatorFilterer.sol";
import {CANONICAL_CORI_SUBSCRIPTION} from "./lib/Constants.sol";
/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 * @dev    Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */
abstract contract DefaultOperatorFilterer is OperatorFilterer {
    /// @dev The constructor that is called when the contract is being deployed.
    constructor() OperatorFilterer(CANONICAL_CORI_SUBSCRIPTION, true) {}
}
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// SPDX-License-Identifier: MIT
// Copyright 2023 PROOF Holdings Inc
pragma solidity >=0.8.0 <0.9.0;
import {AccessControlEnumerable} from "ethier/utils/AccessControlEnumerable.sol";
import {ISellable} from "../interfaces/ISellable.sol";
/**
 * @notice A base contract for selling content via authorised sellers.
 */
abstract contract BaseSellable is ISellable, AccessControlEnumerable {
    /**
     * @notice Authorised sellers.
     */
    bytes32 public constant AUTHORISED_SELLER_ROLE = keccak256("AUTHORISED_SELLER_ROLE");
    /**
     * @notice A role that cannot be granted or revoked.
     * @dev Used to lock in members of the `AUTHORISED_SELLER_ROLE` role.
     */
    bytes32 private constant _NOOP_ROLE = keccak256("NOOP_ROLE");
    constructor() {
        _setRoleAdmin(AUTHORISED_SELLER_ROLE, DEFAULT_STEERING_ROLE);
        _setRoleAdmin(_NOOP_ROLE, _NOOP_ROLE);
    }
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.0;
import "./IAdminACLV0.sol";
/// use the Royalty Registry's IManifold interface for token royalties
import "./IManifold.sol";
/**
 * @title This interface is intended to house interface items that are common
 * across all GenArt721CoreContractV3 flagship and derivative implementations.
 * This interface extends the IManifold royalty interface in order to
 * add support the Royalty Registry by default.
 * @author Art Blocks Inc.
 */
interface IGenArt721CoreContractV3_Base is IManifold {
    /**
     * @notice Token ID `_tokenId` minted to `_to`.
     */
    event Mint(address indexed _to, uint256 indexed _tokenId);
    /**
     * @notice currentMinter updated to `_currentMinter`.
     * @dev Implemented starting with V3 core
     */
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// SPDX-License-Identifier: LGPL-3.0-only
// Created By: Art Blocks Inc.
pragma solidity ^0.8.0;
import "./IAdminACLV0.sol";
import "./IGenArt721CoreContractV3_Base.sol";
interface IGenArt721CoreContractV3_Engine is IGenArt721CoreContractV3_Base {
    // @dev new function in V3
    function getPrimaryRevenueSplits(
        uint256 _projectId,
        uint256 _price
    )
        external
        view
        returns (
            uint256 renderProviderRevenue_,
            address payable renderProviderAddress_,
            uint256 platformProviderRevenue_,
            address payable platformProviderAddress_,
            uint256 artistRevenue_,
            address payable artistAddress_,
            uint256 additionalPayeePrimaryRevenue_,
            address payable additionalPayeePrimaryAddress_
        );
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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);
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// 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);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)
pragma solidity ^0.8.0;
import "../IERC721.sol";
/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @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);
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @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
     * ====
     *
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
pragma solidity ^0.8.0;
/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;
    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // 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++;
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./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) {
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControlEnumerable.sol)
pragma solidity ^0.8.0;
import "./IAccessControlEnumerable.sol";
import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";
/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;
    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId);
    }
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
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// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs
pragma solidity ^0.8.4;
import './IERC721A.sol';
/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}
/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.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 ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
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// SPDX-License-Identifier: MIT
// Copyright (c) 2021 the ethier authors (github.com/divergencetech/ethier)
pragma solidity >=0.8.0 <0.9.0;
import {Pausable} from "@openzeppelin/contracts/security/Pausable.sol";
import {AccessControlEnumerable} from "./AccessControlEnumerable.sol";
/// @notice A Pausable contract that can only be toggled by a member of the
/// STEERING role.
contract AccessControlPausable is AccessControlEnumerable, Pausable {
    /// @notice Pauses the contract.
    function pause() public onlyRole(DEFAULT_STEERING_ROLE) {
        Pausable._pause();
    }
    /// @notice Unpauses the contract.
    function unpause() public onlyRole(DEFAULT_STEERING_ROLE) {
        Pausable._unpause();
    }
}
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// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.0;
import {IERC165, ERC165} from "@openzeppelin/contracts/utils/introspection/ERC165.sol";
interface IERC4906Events {
    /// @dev This event emits when the metadata of a token is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFT.
    event MetadataUpdate(uint256 _tokenId);
    /// @dev This event emits when the metadata of a range of tokens is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFTs.
    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}
/// @title EIP-721 Metadata Update Extension
// solhint-disable-next-line no-empty-blocks
interface IERC4906 is IERC165, IERC4906Events {
}
contract ERC4906 is IERC4906, ERC165 {
    function _refreshMetadata(uint256 tokenId) internal {
        emit MetadataUpdate(tokenId);
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;
import {IOperatorFilterRegistry} from "./IOperatorFilterRegistry.sol";
import {CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS} from "./lib/Constants.sol";
/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 *         Please note that if your token contract does not provide an owner with EIP-173, it must provide
 *         administration methods on the contract itself to interact with the registry otherwise the subscription
 *         will be locked to the options set during construction.
 */
abstract contract OperatorFilterer {
    /// @dev Emitted when an operator is not allowed.
    error OperatorNotAllowed(address operator);
    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(CANONICAL_OPERATOR_FILTER_REGISTRY_ADDRESS);
    /// @dev The constructor that is called when the contract is being deployed.
    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
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