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

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.20;

import {IERC721} from "./IERC721.sol";
import {IERC721Metadata} from "./extensions/IERC721Metadata.sol";
import {ERC721Utils} from "./utils/ERC721Utils.sol";
import {Context} from "../../utils/Context.sol";
import {Strings} from "../../utils/Strings.sol";
import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol";
import {IERC721Errors} from "../../interfaces/draft-IERC6093.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC-721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
abstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors {
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    mapping(uint256 tokenId => address) private _owners;

    mapping(address owner => uint256) private _balances;

    mapping(uint256 tokenId => address) private _tokenApprovals;

    mapping(address owner => mapping(address operator => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual returns (uint256) {
        if (owner == address(0)) {
            revert ERC721InvalidOwner(address(0));
        }
        return _balances[owner];
    }

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

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual returns (string memory) {
        _requireOwned(tokenId);

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : "";
    }

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual {
        _approve(to, tokenId, _msgSender());
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual returns (address) {
        _requireOwned(tokenId);

        return _getApproved(tokenId);
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(address from, address to, uint256 tokenId) public virtual {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists
        // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.
        address previousOwner = _update(to, tokenId, _msgSender());
        if (previousOwner != from) {
            revert ERC721IncorrectOwner(from, tokenId, previousOwner);
        }
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {
        transferFrom(from, to, tokenId);
        ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data);
    }

    /**
     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
     *
     * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the
     * core ERC-721 logic MUST be matched with the use of {_increaseBalance} to keep balances
     * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by
     * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`.
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted.
     */
    function _getApproved(uint256 tokenId) internal view virtual returns (address) {
        return _tokenApprovals[tokenId];
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in
     * particular (ignoring whether it is owned by `owner`).
     *
     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this
     * assumption.
     */
    function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) {
        return
            spender != address(0) &&
            (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender);
    }

    /**
     * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner.
     * Reverts if `spender` does not have approval from the provided `owner` for the given token or for all its assets
     * the `spender` for the specific `tokenId`.
     *
     * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this
     * assumption.
     */
    function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual {
        if (!_isAuthorized(owner, spender, tokenId)) {
            if (owner == address(0)) {
                revert ERC721NonexistentToken(tokenId);
            } else {
                revert ERC721InsufficientApproval(spender, tokenId);
            }
        }
    }

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that
     * a uint256 would ever overflow from increments when these increments are bounded to uint128 values.
     *
     * WARNING: Increasing an account's balance using this function tends to be paired with an override of the
     * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership
     * remain consistent with one another.
     */
    function _increaseBalance(address account, uint128 value) internal virtual {
        unchecked {
            _balances[account] += value;
        }
    }

    /**
     * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner
     * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update.
     *
     * The `auth` argument is optional. If the value passed is non 0, then this function will check that
     * `auth` is either the owner of the token, or approved to operate on the token (by the owner).
     *
     * Emits a {Transfer} event.
     *
     * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}.
     */
    function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) {
        address from = _ownerOf(tokenId);

        // Perform (optional) operator check
        if (auth != address(0)) {
            _checkAuthorized(from, auth, tokenId);
        }

        // Execute the update
        if (from != address(0)) {
            // Clear approval. No need to re-authorize or emit the Approval event
            _approve(address(0), tokenId, address(0), false);

            unchecked {
                _balances[from] -= 1;
            }
        }

        if (to != address(0)) {
            unchecked {
                _balances[to] += 1;
            }
        }

        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        return from;
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        address previousOwner = _update(to, tokenId, address(0));
        if (previousOwner != address(0)) {
            revert ERC721InvalidSender(address(0));
        }
    }

    /**
     * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {
        _mint(to, tokenId);
        ERC721Utils.checkOnERC721Received(_msgSender(), address(0), to, tokenId, data);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal {
        address previousOwner = _update(address(0), tokenId, address(0));
        if (previousOwner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        }
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(address from, address to, uint256 tokenId) internal {
        if (to == address(0)) {
            revert ERC721InvalidReceiver(address(0));
        }
        address previousOwner = _update(to, tokenId, address(0));
        if (previousOwner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        } else if (previousOwner != from) {
            revert ERC721IncorrectOwner(from, tokenId, previousOwner);
        }
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients
     * are aware of the ERC-721 standard to prevent tokens from being forever locked.
     *
     * `data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is like {safeTransferFrom} in the sense that it invokes
     * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `tokenId` token must exist and be owned by `from`.
     * - `to` cannot be the zero address.
     * - `from` cannot be the zero address.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(address from, address to, uint256 tokenId) internal {
        _safeTransfer(from, to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {
        _transfer(from, to, tokenId);
        ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is
     * either the owner of the token, or approved to operate on all tokens held by this owner.
     *
     * Emits an {Approval} event.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address to, uint256 tokenId, address auth) internal {
        _approve(to, tokenId, auth, true);
    }

    /**
     * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not
     * emitted in the context of transfers.
     */
    function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual {
        // Avoid reading the owner unless necessary
        if (emitEvent || auth != address(0)) {
            address owner = _requireOwned(tokenId);

            // We do not use _isAuthorized because single-token approvals should not be able to call approve
            if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) {
                revert ERC721InvalidApprover(auth);
            }

            if (emitEvent) {
                emit Approval(owner, to, tokenId);
            }
        }

        _tokenApprovals[tokenId] = to;
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Requirements:
     * - operator can't be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {
        if (operator == address(0)) {
            revert ERC721InvalidOperator(operator);
        }
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned).
     * Returns the owner.
     *
     * Overrides to ownership logic should be done to {_ownerOf}.
     */
    function _requireOwned(uint256 tokenId) internal view returns (address) {
        address owner = _ownerOf(tokenId);
        if (owner == address(0)) {
            revert ERC721NonexistentToken(tokenId);
        }
        return owner;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

import {IERC721Receiver} from "../IERC721Receiver.sol";
import {IERC721Errors} from "../../../interfaces/draft-IERC6093.sol";

/**
 * @dev Library that provide common ERC-721 utility functions.
 *
 * See https://eips.ethereum.org/EIPS/eip-721[ERC-721].
 */
library ERC721Utils {
    /**
     * @dev Performs an acceptance check for the provided `operator` by calling {IERC721-onERC721Received}
     * on the `to` address. The `operator` is generally the address that initiated the token transfer (i.e. `msg.sender`).
     *
     * The acceptance call is not executed and treated as a no-op if the target address doesn't contain code (i.e. an EOA).
     * Otherwise, the recipient must implement {IERC721Receiver-onERC721Received} and return the acceptance magic value to accept
     * the transfer.
     */
    function checkOnERC721Received(
        address operator,
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) internal {
        if (to.code.length > 0) {
            try IERC721Receiver(to).onERC721Received(operator, from, tokenId, data) returns (bytes4 retval) {
                if (retval != IERC721Receiver.onERC721Received.selector) {
                    // Token rejected
                    revert IERC721Errors.ERC721InvalidReceiver(to);
                }
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    // non-IERC721Receiver implementer
                    revert IERC721Errors.ERC721InvalidReceiver(to);
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.23;

import '@openzeppelin/contracts/utils/Strings.sol';
import '@patchwork/PatchworkFragmentSingle.sol';
import {EepversFragmentSingle} from '../helpers/EepversFragmentSingle.sol';
import {LibEepmonkeyTechTuesdayBg} from
    '../libraries/LibEepmonkeyTechTuesdayBg.sol';
import {IEepmonkeyTechTuesdayBg} from
    '../interfaces/IEepmonkeyTechTuesdayBg.sol';
import '@patchwork/interfaces/IPatchworkMintable.sol';

contract EepmonkeyTechTuesdayBg is
    EepversFragmentSingle,
    IEepmonkeyTechTuesdayBg
{
    uint256 internal _nextTokenId;

    constructor(address _manager, address _owner)
        EepversFragmentSingle(
            'eepvers',
            'Welcome to the World of EEPs No. 001',
            'EEPMKYTTBG',
            _manager,
            _owner
        )
    {}

    function supportsInterface(bytes4 interfaceID)
        public
        view
        virtual
        override
        returns (bool)
    {
        return type(IPatchworkMintable).interfaceId == interfaceID
            || super.supportsInterface(interfaceID);
    }

    function schema() external pure override returns (MetadataSchema memory) {
        MetadataSchemaEntry[] memory entries = new MetadataSchemaEntry[](0);

        return MetadataSchema(1, entries);
    }

    function mint(address to, bytes calldata data)
        public
        payable
        returns (uint256 tokenId)
    {
        if (msg.sender != _manager) {
            if (!_checkWriteAuth()) {
                revert IPatchworkProtocol.NotAuthorized(msg.sender);
            }
            return IPatchworkProtocol(_manager).mint{value: msg.value}(
                to, address(this), data
            );
        }
        return _mintSingle(to, data);
    }

    function mintBatch(address to, bytes calldata data, uint256 quantity)
        public
        payable
        returns (uint256[] memory tokenIds)
    {
        if (msg.sender != _manager) {
            if (!_checkWriteAuth()) {
                revert IPatchworkProtocol.NotAuthorized(msg.sender);
            }
            return IPatchworkProtocol(_manager).mintBatch{value: msg.value}(
                to, address(this), data, quantity
            );
        }
        tokenIds = new uint256[](quantity);
        for (uint256 i = 0; i < quantity; i++) {
            tokenIds[i] = _mintSingle(to, data);
        }
    }

    function _mintSingle(address to, bytes calldata /* data */ )
        internal
        returns (uint256)
    {
        uint256 tokenId = _nextTokenId;
        _metadataStorage[tokenId] = new uint256[](1);
        _nextTokenId++;
        _safeMint(to, tokenId);
        return tokenId;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import '@openzeppelin/contracts/utils/Strings.sol';
import {PatchworkFragmentSingle} from '@patchwork/PatchworkFragmentSingle.sol';
import {Patchwork721} from '@patchwork/Patchwork721.sol';
import {IMetadataHandler} from '../interfaces/IMetadataHandler.sol';
import {ISetMetadataDelegate} from '../interfaces/ISetMetadataDelegate.sol';
import {LibEepvers} from '../libraries/LibEepvers.sol';

abstract contract EepversFragmentSingle is
    PatchworkFragmentSingle,
    ISetMetadataDelegate
{
    address internal metadataDelegate;

    constructor(
        string memory scope_,
        string memory name_,
        string memory symbol_,
        address manager_,
        address owner_
    ) Patchwork721(scope_, name_, symbol_, manager_, owner_) {}

    function setMetadataDelegate(
        address _metadataDelegate
    ) external mustHaveWriteAuth {
        metadataDelegate = _metadataDelegate;
    }

    function _baseURI() internal view override returns (string memory) {
        return string.concat(LibEepvers.BASE_URI, symbol(), '/');
    }

    function schemaURI() public view returns (string memory) {
        if (metadataDelegate != address(0)) {
            return IMetadataHandler(metadataDelegate).schemaURI(symbol());
        }
        return string.concat(_baseURI(), 'schema.json');
    }

    function imageURI(uint256 tokenId) public view returns (string memory) {
        if (metadataDelegate != address(0)) {
            return
                IMetadataHandler(metadataDelegate).imageURI(symbol(), tokenId);
        }
        return
            string.concat(
                _baseURI(),
                'image/',
                Strings.toString(tokenId),
                '.svg'
            );
    }

    function tokenURI(
        uint256 tokenId
    ) public view override returns (string memory) {
        if (metadataDelegate != address(0)) {
            return
                IMetadataHandler(metadataDelegate).tokenURI(symbol(), tokenId);
        }
        return
            string.concat(
                _baseURI(),
                'token/',
                Strings.toString(tokenId),
                '.json'
            );
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

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

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.23;

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

/// @title EIP-721 Metadata Update Extension
interface IERC4906 is IERC165, IERC721 {
    /// @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 indexed _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 indexed _fromTokenId, uint256 indexed _toTokenId);
}

// SPDX-License-Identifier: CC0-1.0
pragma solidity ^0.8.23;

interface IERC5192 {
  /// @notice Emitted when the locking status is changed to locked.
  /// @dev If a token is minted and the status is locked, this event should be emitted.
  /// @param tokenId The identifier for a token.
  event Locked(uint256 indexed tokenId);

  /// @notice Emitted when the locking status is changed to unlocked.
  /// @dev If a token is minted and the status is unlocked, this event should be emitted.
  /// @param tokenId The identifier for a token.
  event Unlocked(uint256 indexed tokenId);

  /// @notice Returns the locking status of an Soulbound Token
  /// @dev SBTs assigned to zero address are considered invalid, and queries
  /// about them do throw.
  /// @param tokenId The identifier for an SBT.
  function locked(uint256 tokenId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Required interface of an ERC-721 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);

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC-721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or
     *   {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC-721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.20;

import {IERC721} from "../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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.20;

/**
 * @title ERC-721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC-721 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: MIT
pragma solidity ^0.8.0;

import '@patchwork/interfaces/IPatchworkMintable.sol';

interface IEepmonkeyTechTuesdayBg is IPatchworkMintable {}

// SPDX-License-Identifier: MIT
import {LibEepvers} from '../libraries/LibEepvers.sol';
pragma solidity ^0.8.0;

interface IMetadataHandler {
    function schemaURI(string memory id) external view returns (string memory);

    function imageURI(
        string memory id,
        uint256 tokenId
    ) external view returns (string memory);

    function tokenURI(
        string memory id,
        uint256 tokenId
    ) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "./IERC5192.sol";
import "./IPatchworkScoped.sol";

/** 
@title Patchwork Protocol Interface Metadata
@author Runic Labs, Inc
@notice Metadata for IPatchwork721 and related contract interfaces
*/
interface IPatchworkMetadata {
    /**
    @notice Enumeration of possible field data types.
    @dev This defines the various basic data types for the fields.
     */
    enum FieldType {
        BOOLEAN,  ///< A Boolean type (true or false).
        INT8,     ///< An 8-bit signed integer.
        INT16,    ///< A 16-bit signed integer.
        INT32,    ///< A 32-bit signed integer.
        INT64,    ///< A 64-bit signed integer.
        INT128,   ///< A 128-bit signed integer.
        INT256,   ///< A 256-bit signed integer.
        UINT8,    ///< An 8-bit unsigned integer.
        UINT16,   ///< A 16-bit unsigned integer.
        UINT32,   ///< A 32-bit unsigned integer.
        UINT64,   ///< A 64-bit unsigned integer.
        UINT128,  ///< A 128-bit unsigned integer.
        UINT256,  ///< A 256-bit unsigned integer.
        CHAR8,    ///< An 8-character string (64 bits).
        CHAR16,   ///< A 16-character string (128 bits).
        CHAR32,   ///< A 32-character string (256 bits).
        CHAR64,   ///< A 64-character string (512 bits).
        LITEREF,  ///< A 64-bit Literef reference to a patchwork fragment.
        ADDRESS,  ///< A 160-bit address.
        STRING    ///< A dynamically-sized string.
    }

    /**
    @notice Struct defining the metadata schema.
    @dev This defines the overall structure of the metadata and contains entries describing each data field.
    */
    struct MetadataSchema {
        uint256 version;                    ///< Version of the metadata schema.
        MetadataSchemaEntry[] entries;      ///< Array of entries in the schema.
    }

    /**
    @notice Struct defining individual entries within the metadata schema.
    @dev Represents each data field in the schema, detailing its properties and type.
    */
    struct MetadataSchemaEntry {
        uint256 id;                        ///< Index or unique identifier of the entry.
        uint256 permissionId;              ///< Permission identifier associated with the entry.
        FieldType fieldType;               ///< Type of field data (from the FieldType enum).
        uint256 fieldCount;                ///< Number of elements of this field (0 = Dynamic Array, 1 = Single, >1 = Static Array)
        FieldVisibility visibility;        ///< Visibility level of the field.
        uint256 slot;                      ///< Starting storage slot, may span multiple slots based on width.
        uint256 offset;                    ///< Offset in bits within the storage slot.
        string key;                        ///< Key or name associated with the field.
    }

    /**
    @notice Enumeration of field visibility options.
    @dev Specifies whether a field is publicly accessible or private.
    */
    enum FieldVisibility {
        PUBLIC,  ///< Field is publicly accessible.
        PRIVATE  ///< Field is private
    }
}

/**
@title Patchwork Protocol 721 Interface
@author Runic Labs, Inc
@notice Interface for contracts supporting Patchwork metadata standard
*/
interface IPatchwork721 is IPatchworkScoped, IPatchworkMetadata, IERC5192, IERC721 {
    /**
    @notice Emitted when the freeze status is changed to frozen.
    @param tokenId The identifier for a token.
    */
    event Frozen(uint256 indexed tokenId);

    /**
    @notice Emitted when the locking status is changed to not frozen.
    @param tokenId The identifier for a token.
    */
    event Thawed(uint256 indexed tokenId);

    /**
    @notice Emitted when the permissions are changed
    @param to The address the permissions are assigned to
    @param permissions The permissions
    */
    event PermissionChange(address indexed to, uint256 permissions);

    /**
    @notice Emitted when the schema has changed
    @param addr the address of the Patchwork721
    */
    event SchemaChange(address indexed addr);
    
    /**
    @notice Returns the URI of the schema
    @return string the URI of the schema
    */
    function schemaURI() external view returns (string memory);

    /**
    @notice Returns the metadata schema
    @return MetadataSchema the metadata schema
    */
    function schema() external view returns (MetadataSchema memory);

    /**
    @notice Returns the URI of the image associated with the given token ID
    @param tokenId ID of the token
    @return string the image URI
    */
    function imageURI(uint256 tokenId) external view returns (string memory);

    /**
    @notice Sets permissions for a given address
    @param to Address to set permissions for
    @param permissions Permissions value
    */
    function setPermissions(address to, uint256 permissions) external;

    /**
    @notice Stores packed metadata for a given token ID and slot
    @param tokenId ID of the token
    @param slot Slot to store metadata
    @param data Metadata to store
    */
    function storePackedMetadataSlot(uint256 tokenId, uint256 slot, uint256 data) external;

    /**
    @notice Stores packed metadata for a given token ID
    @param tokenId ID of the token
    @param data Metadata to store
    */
    function storePackedMetadata(uint256 tokenId, uint256[] memory data) external;

    /**
    @notice Loads packed metadata for a given token ID and slot
    @param tokenId ID of the token
    @param slot Slot to load metadata from
    @return uint256 the raw slot data as a uint256
    */
    function loadPackedMetadataSlot(uint256 tokenId, uint256 slot) external view returns (uint256);

    /**
    @notice Loads packed metadata for a given token ID
    @param tokenId ID of the token
    @return uint256[] the raw slot data as a uint256 array
    */
    function loadPackedMetadata(uint256 tokenId) external view returns (uint256[] memory);

    /**
    @notice Returns the freeze nonce for a given token ID
    @param tokenId ID of the token
    @return nonce the nonce
    */
    function getFreezeNonce(uint256 tokenId) external view returns (uint256 nonce);

    /**
    @notice Sets the freeze status of a token
    @param tokenId ID of the token
    @param frozen Freeze status to set
    */
    function setFrozen(uint256 tokenId, bool frozen) external;

    /**
    @notice Gets the freeze status of a token (ERC-5192)
    @param tokenId ID of the token
    @return bool true if frozen, false if not
     */
    function frozen(uint256 tokenId) external view returns (bool);

    /**
    @notice Sets the lock status of a token
    @param tokenId ID of the token
    @param locked Lock status to set
    */
    function setLocked(uint256 tokenId, bool locked) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "./IPatchworkScoped.sol";

/**
@title Patchwork Protocol Assignable NFT Interface
@author Runic Labs, Inc
@notice Interface for contracts supporting Patchwork assignment
*/
interface IPatchworkAssignable is IPatchworkScoped {
    
    /// Represents an assignment of a token from an external NFT contract to a token in this contract.
    struct Assignment {
        address tokenAddr;  /// The address of the external NFT contract.
        uint256 tokenId;    /// The ID of the token in the external NFT contract.
    }

    /**
    @notice Assigns a token to another
    @param ourTokenId ID of our token
    @param to Address to assign to
    @param tokenId ID of the token to assign
    */
    function assign(uint256 ourTokenId, address to, uint256 tokenId) external;

    /**
    @notice Checks permissions for assignment
    @param ourTokenId the tokenID to assign
    @param target the address of the target
    @param targetTokenId the tokenID of the target
    @param targetOwner the ownerOf of the target
    @param by the account invoking the assignment to Patchwork Protocol
    @param scopeName the scope name of the contract to assign to
    */
    function allowAssignment(uint256 ourTokenId, address target, uint256 targetTokenId, address targetOwner, address by, string memory scopeName) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "./IPatchworkScoped.sol";

/**
@title Patchwork Mintable Interface
@author Runic Labs, Inc
*/
interface IPatchworkMintable is IPatchworkScoped {

    /**
    @notice Mint a new token
    @dev Mints a single token to a specified address.
    @param to The address to which the token will be minted.
    @param data Additional data to be passed to the minting process.
    @return tokenId The ID of the minted token.
    */
    function mint(address to, bytes calldata data) external payable returns (uint256 tokenId);
    
    /**
    @notice Mint a batch of new tokens
    @dev Mints multiple tokens to a specified address.
    @param to The address to which the tokens will be minted.
    @param data Additional data to be passed to the minting process.
    @param quantity The number of tokens to mint.
    @return tokenIds An array of the IDs of the minted tokens.
    */
    function mintBatch(address to, bytes calldata data, uint256 quantity) external payable returns (uint256[] memory tokenIds);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

/**
@title Patchwork Protocol Interface
@author Runic Labs, Inc
@notice Interface for Patchwork Protocol
*/
interface IPatchworkProtocol {
    /**
    @notice The address is not authorized to perform this action
    @param addr The address attempting to perform the action
    */
    error NotAuthorized(address addr);

    /**
    @notice The scope with the provided name already exists
    @param scopeName Name of the scope
    */
    error ScopeExists(string scopeName);

    /**
    @notice The scope with the provided name does not exist
    @param scopeName Name of the scope
    */
    error ScopeDoesNotExist(string scopeName);

    /**
    @notice Transfer of the scope to the provided address is not allowed
    @param to Address not allowed for scope transfer
    */
    error ScopeTransferNotAllowed(address to);

    /**
    @notice The token with the provided ID at the given address is frozen
    @param addr Address of the token owner
    @param tokenId ID of the frozen token
    */
    error Frozen(address addr, uint256 tokenId);

    /**
    @notice The token with the provided ID at the given address is locked
    @param addr Address of the token owner
    @param tokenId ID of the locked token
    */
    error Locked(address addr, uint256 tokenId);

    /**
    @notice The address is not whitelisted for the given scope
    @param scopeName Name of the scope
    @param addr Address that isn't whitelisted
    */
    error NotWhitelisted(string scopeName, address addr);

    /**
    @notice The address at the given address has already been patched
    @param addr The address that was patched
    @param patchAddress Address of the patch applied
    */
    error AccountAlreadyPatched(address addr, address patchAddress);

    /**
    @notice The token at the given address has already been patched
    @param addr Address of the original 721
    @param tokenId ID of the patched token
    @param patchAddress Address of the patch applied
    */
    error AlreadyPatched(address addr, uint256 tokenId, address patchAddress);

    /**
    @notice The ERC1155 path has already been patched
    @param addr Address of the 1155
    @param tokenId ID of the patched token
    @param account The account patched
    @param patchAddress Address of the patch applied
    */
    error ERC1155AlreadyPatched(address addr, uint256 tokenId, address account, address patchAddress);

    /**
    @notice The provided input lengths are not compatible or valid
    @dev for any multi array inputs, they must be the same length
    */
    error BadInputLengths();

    /**
    @notice The fragment at the given address is unregistered
    @param addr Address of the unregistered fragment
    */
    error FragmentUnregistered(address addr);

    /**
    @notice The fragment at the given address has been redacted
    @param addr Address of the redacted fragment
    */
    error FragmentRedacted(address addr);

    /**
    @notice The fragment with the provided ID at the given address is already assigned
    @param addr Address of the fragment
    @param tokenId ID of the assigned fragment
    */
    error FragmentAlreadyAssigned(address addr, uint256 tokenId);

    /**
    @notice The reference was not found for the given fragment and target
    @param target Address of the target token
    @param fragment Address of the fragment
    @param tokenId ID of the fragment
    */
    error RefNotFound(address target, address fragment, uint256 tokenId);

    /**
    @notice The fragment with the provided ID at the given address is not assigned
    @param addr Address of the fragment
    @param tokenId ID of the fragment
    */
    error FragmentNotAssigned(address addr, uint256 tokenId);

    /**
    @notice The fragment with the provided ID at the given address is not assigned to the target
    @param addr Address of the fragment
    @param tokenId ID of the fragment
    @param targetAddress Address of the target
    @param targetTokenId ID of the target
    */
    error FragmentNotAssignedToTarget(address addr, uint256 tokenId, address targetAddress, uint256 targetTokenId);

    /**
    @notice The fragment at the given address is already registered
    @param addr Address of the registered fragment
    */
    error FragmentAlreadyRegistered(address addr);

    /**
    @notice Ran out of available IDs for allocation
    @dev Max 255 IDs per target
    */
    error OutOfIDs();

    /**
    @notice The provided token ID is unsupported
    @dev TokenIds may only be 56 bits long
    @param tokenId The unsupported token ID
    */
    error UnsupportedTokenId(uint256 tokenId);

    /**
    @notice Cannot lock the soulbound patch at the given address
    @param addr Address of the soulbound patch
    */
    error CannotLockSoulboundPatch(address addr);

    /**
    @notice The token with the provided ID at the given address is not frozen
    @param addr Address of the token owner
    @param tokenId ID of the token
    */
    error NotFrozen(address addr, uint256 tokenId);

    /**
    @notice The nonce for the token with the provided ID at the given address is incorrect
    @dev It may be incorrect or a newer nonce may be present
    @param addr Address of the token owner
    @param tokenId ID of the token
    @param nonce The incorrect nonce
    */
    error IncorrectNonce(address addr, uint256 tokenId, uint256 nonce);

    /**
    @notice Self assignment of the token with the provided ID at the given address is not allowed
    @param addr Address of the token owner
    @param tokenId ID of the token
    */
    error SelfAssignmentNotAllowed(address addr, uint256 tokenId);

    /**
    @notice Transfer of the token with the provided ID at the given address is not allowed
    @param addr Address of the token owner
    @param tokenId ID of the token
    */
    error TransferNotAllowed(address addr, uint256 tokenId);

    /**
    @notice Transfer of the token with the provided ID at the given address is blocked by an assignment
    @param addr Address of the token owner
    @param tokenId ID of the token
    */
    error TransferBlockedByAssignment(address addr, uint256 tokenId);

    /**
    @notice A rule is blocking the mint to this owner address
    @param addr Address of the token owner
    */
    error MintNotAllowed(address addr);

    /**
    @notice The token at the given address is not IPatchworkAssignable
    @param addr Address of the non-assignable token
    */
    error NotPatchworkAssignable(address addr);

    /**
    @notice A data integrity error has been detected
    @dev Addr+TokenId is expected where addr2+tokenId2 is present
    @param addr Address of the first token
    @param tokenId ID of the first token
    @param addr2 Address of the second token
    @param tokenId2 ID of the second token
    */
    error DataIntegrityError(address addr, uint256 tokenId, address addr2, uint256 tokenId2);

    /**
    @notice The available balance does not satisfy the amount
    */
    error InsufficientFunds();

    /**
    @notice The supplied fee is not the corret amount
    */
    error IncorrectFeeAmount();

    /**
    @notice Minting is not active for this address 
    */
    error MintNotActive();

    /**
    @notice The value could not be sent 
    */
    error FailedToSend();   
    
    /**
    @notice The contract is not supported
    */
    error UnsupportedContract();
    
    /**
    @notice The operation is not supported
    */
    error UnsupportedOperation();

    /**
    @notice No proposed fee is set 
    */
    error NoProposedFeeSet();

    /**
    @notice Timelock has not elapsed
    */
    error TimelockNotElapsed();

    /**
    @notice Invalid fee value 
    */
    error InvalidFeeValue();

    /**
    @notice No delegate proposed 
    */
    error NoDelegateProposed();
    
    /** 
    @notice Fee Configuration
    */
    struct FeeConfig {
        uint256 mintBp;   /// mint basis points (10000 = 100%)
        uint256 patchBp;  /// patch basis points (10000 = 100%)
        uint256 assignBp; /// assign basis points (10000 = 100%)
    }

    /** 
    @notice Fee Configuration Override
    */
    struct FeeConfigOverride {
        uint256 mintBp;   /// mint basis points (10000 = 100%)
        uint256 patchBp;  /// patch basis points (10000 = 100%)
        uint256 assignBp; /// assign basis points (10000 = 100%)
        bool active; /// true for present
    }

    /**
    @notice Proposal to change a fee configuration for either protocol or scope override
    */
    struct ProposedFeeConfig {
        FeeConfig config;
        uint256 timestamp;
        bool active; /// Used to enable/disable overrides - ignored for protocol
    }

    /**
    @notice Mint configuration
    */
    struct MintConfig {
        uint256 flatFee; /// fee per 1 quantity mint in wei
        bool active;     /// If the mint is active
    }

    /**
    @notice Proposed assigner delegate
    */
    struct ProposedAssignerDelegate {
        uint256 timestamp;
        address addr;
    }

    /**
    @notice Represents a defined scope within the system
    @dev Contains details about the scope ownership, permissions, and mappings for references and assignments
    */
    struct Scope {
        /**
        @notice Owner of this scope
        @dev Address of the account or contract that owns this scope
        */
        address owner;

        /**
        @notice Owner-elect
        @dev Used in two-step transfer process. If this is set, only this owner can accept the transfer
        */
        address ownerElect;

        /**
        @notice Indicates whether a user is allowed to patch within this scope
        @dev True if a user can patch, false otherwise. If false, only operators and the scope owner can perform patching.
        */
        bool allowUserPatch;

        /**
        @notice Indicates whether a user is allowed to assign within this scope
        @dev True if a user can assign, false otherwise. If false, only operators and the scope owner can perform assignments.
        */
        bool allowUserAssign;

        /**
        @notice Indicates if a whitelist is required for operations within this scope
        @dev True if whitelist is required, false otherwise
        */
        bool requireWhitelist;

        /**
        @notice Mapped list of operator addresses for this scope
        @dev Address of the operator mapped to a boolean indicating if they are an operator
        */
        mapping(address => bool) operators;

        /**
        @notice Mapped whitelist of addresses that belong to this scope
        @dev Address mapped to a boolean indicating if it's whitelisted
        */
        mapping(address => bool) whitelist;

        /**
        @notice Mapped list of mint configurations for this scope
        @dev Address of the IPatchworkMintable mapped to the configuration
        */
        mapping(address => MintConfig) mintConfigurations;

        /**
        @notice Mapped list of patch fees for this scope
        @dev Address of a 721, 1155 or account patch mapped to the fee in wei 
        */
        mapping(address => uint256) patchFees;

        /**
        @notice Mapped list of assign fees for this scope
        @dev Address of an IPatchworkAssignable mapped to the fee in wei 
        */        
        mapping(address => uint256) assignFees;

        /**
        @notice Balance in wei for this scope
        @dev accrued in mint, patch and assign fees, may only be withdrawn by scope bankers
        */
        uint256 balance;

        /**
        @notice Mapped list of addresses that are designated bankers for this scope 
        @dev Address mapped to a boolean indicating if they are a banker
        */
        mapping(address => bool) bankers;
    }

    /**
    @notice Emitted when a fragment is assigned
    @param owner The owner of the target and fragment
    @param fragmentAddress The address of the fragment's contract
    @param fragmentTokenId The tokenId of the fragment
    @param targetAddress The address of the target's contract
    @param targetTokenId The tokenId of the target
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event Assign(address indexed owner, address fragmentAddress, uint256 fragmentTokenId, address indexed targetAddress, uint256 indexed targetTokenId, uint256 scopeFee, uint256 protocolFee);

    /**
    @notice Emitted when a fragment is unassigned
    @param owner The owner of the fragment
    @param fragmentAddress The address of the fragment's contract
    @param fragmentTokenId The tokenId of the fragment
    @param targetAddress The address of the target's contract
    @param targetTokenId The tokenId of the target
    */
    event Unassign(address indexed owner, address fragmentAddress, uint256 fragmentTokenId, address indexed targetAddress, uint256 indexed targetTokenId);

    /**
    @notice Emitted when a patch is minted
    @param owner The owner of the patch
    @param originalAddress The address of the original 721's contract
    @param originalTokenId The tokenId of the original 721
    @param patchAddress The address of the patch's contract
    @param patchTokenId The tokenId of the patch
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event Patch(address indexed owner, address originalAddress, uint256 originalTokenId, address indexed patchAddress, uint256 indexed patchTokenId, uint256 scopeFee, uint256 protocolFee);

    /**
    @notice Emitted when a patch is minted
    @param owner The owner of the patch
    @param originalAddress The address of the original 1155's contract
    @param originalTokenId The tokenId of the original 1155
    @param originalAccount The address of the original 1155's account
    @param patchAddress The address of the patch's contract
    @param patchTokenId The tokenId of the patch
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event ERC1155Patch(address indexed owner, address originalAddress, uint256 originalTokenId, address originalAccount, address indexed patchAddress, uint256 indexed patchTokenId, uint256 scopeFee, uint256 protocolFee);


    /**
    @notice Emitted when an account patch is minted
    @param owner The owner of the patch
    @param originalAddress The address of the original account
    @param patchAddress The address of the patch's contract
    @param patchTokenId The tokenId of the patch
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event AccountPatch(address indexed owner, address originalAddress, address indexed patchAddress, uint256 indexed patchTokenId, uint256 scopeFee, uint256 protocolFee);

    /**
    @notice Emitted when a new scope is claimed
    @param scopeName The name of the claimed scope
    @param owner The owner of the scope
    */
    event ScopeClaim(string scopeName, address indexed owner);

    /**
    @notice Emitted when a scope has elected a new owner to transfer to
    @param scopeName The name of the transferred scope
    @param from The owner of the scope
    @param to The owner-elect of the scope
    */
    event ScopeTransferElect(string scopeName, address indexed from, address indexed to);

    /**
    @notice Emitted when a scope transfer is canceled
    @param scopeName The name of the transferred scope
    @param from The owner of the scope
    @param to The owner-elect of the scope
    */
    event ScopeTransferCancel(string scopeName, address indexed from, address indexed to);

    /**
    @notice Emitted when a scope is transferred
    @param scopeName The name of the transferred scope
    @param from The address transferring the scope
    @param to The recipient of the scope
    */
    event ScopeTransfer(string scopeName, address indexed from, address indexed to);

    /**
    @notice Emitted when a scope has an operator added
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param operator The new operator's address
    */
    event ScopeAddOperator(string scopeName, address indexed actor, address indexed operator);

    /**
    @notice Emitted when a scope has an operator removed
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param operator The operator's address being removed
    */
    event ScopeRemoveOperator(string scopeName, address indexed actor, address indexed operator);

    /**
    @notice Emitted when a scope's rules are changed
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param allowUserPatch Indicates whether user patches are allowed
    @param allowUserAssign Indicates whether user assignments are allowed
    @param requireWhitelist Indicates whether a whitelist is required
    */
    event ScopeRuleChange(string scopeName, address indexed actor, bool allowUserPatch, bool allowUserAssign, bool requireWhitelist);

    /**
    @notice Emitted when a scope has an address added to the whitelist
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param addr The address being added to the whitelist
    */
    event ScopeWhitelistAdd(string scopeName, address indexed actor, address indexed addr);

    /**
    @notice Emitted when a scope has an address removed from the whitelist
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param addr The address being removed from the whitelist
    */
    event ScopeWhitelistRemove(string scopeName, address indexed actor, address indexed addr);

    /**
    @notice Emitted when a mint is configured
    @param scopeName The name of the scope
    @param mintable The address of the IPatchworkMintable
    @param config The mint configuration
    */
    event MintConfigure(string scopeName, address indexed actor, address indexed mintable, MintConfig config);

    /**
    @notice Emitted when a banker is added to a scope
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param banker The banker that was added
    */
    event ScopeBankerAdd(string scopeName, address indexed actor, address indexed banker);

    /**
    @notice Emitted when a banker is removed from a scope
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param banker The banker that was removed
    */
    event ScopeBankerRemove(string scopeName, address indexed actor, address indexed banker);
    
    /**
    @notice Emitted when a withdrawl is made from a scope
    @param scopeName The name of the scope
    @param actor The address responsible for the action
    @param amount The amount withdrawn
    */    
    event ScopeWithdraw(string scopeName, address indexed actor, uint256 amount);

    /**
    @notice Emitted when a banker is added to the protocol
    @param actor The address responsible for the action
    @param banker The banker that was added
    */
    event ProtocolBankerAdd(address indexed actor, address indexed banker);

    /**
    @notice Emitted when a banker is removed from the protocol
    @param actor The address responsible for the action
    @param banker The banker that was removed
    */
    event ProtocolBankerRemove(address indexed actor, address indexed banker);

    /**
    @notice Emitted when a withdrawl is made from the protocol
    @param actor The address responsible for the action
    @param amount The amount withdrawn
    */
    event ProtocolWithdraw(address indexed actor, uint256 amount);

    /**
    @notice Emitted on mint
    @param actor The address responsible for the action
    @param scopeName The scope of the IPatchworkMintable
    @param to The receipient of the mint
    @param mintable The IPatchworkMintable minted
    @param data The data used to mint
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event Mint(address indexed actor, string scopeName, address indexed to, address indexed mintable, bytes data, uint256 scopeFee, uint256 protocolFee);

    /**
    @notice Emitted on batch mint
    @param actor The address responsible for the action
    @param scopeName The scope of the IPatchworkMintable
    @param to The receipient of the mint
    @param mintable The IPatchworkMintable minted
    @param data The data used to mint
    @param quantity The quantity minted
    @param scopeFee The fee collected to the scope
    @param protocolFee The fee collected to the protocol
    */
    event MintBatch(address indexed actor, string scopeName, address indexed to, address indexed mintable, bytes data, uint256 quantity, uint256 scopeFee, uint256 protocolFee);

    /**
    @notice Emitted on protocol fee config proposed
    @param config The fee configuration
    */
    event ProtocolFeeConfigPropose(FeeConfig config);

    /**
    @notice Emitted on protocol fee config committed
    @param config The fee configuration
    */
    event ProtocolFeeConfigCommit(FeeConfig config);

    /**
    @notice Emitted on scope fee config override proposed
    @param scopeName The scope
    @param config The fee configuration
    */
    event ScopeFeeOverridePropose(string scopeName, FeeConfigOverride config);

    /**
    @notice Emitted on scope fee config override committed
    @param scopeName The scope
    @param config The fee configuration
    */
    event ScopeFeeOverrideCommit(string scopeName, FeeConfigOverride config);

    /**
    @notice Emitted on patch fee change
    @param scopeName The scope of the patch
    @param addr The address of the patch
    @param fee The new fee
    */
    event PatchFeeChange(string scopeName, address indexed addr, uint256 fee);

    /**
    @notice Emitted on assign fee change 
    @param scopeName The scope of the assignable
    @param addr The address of the assignable
    @param fee The new fee
    */
    event AssignFeeChange(string scopeName, address indexed addr, uint256 fee);

    /**
    @notice Emitted on assigner delegate propose
    @param addr The address of the delegate
    */
    event AssignerDelegatePropose(address indexed addr);

    /**
    @notice Emitted on assigner delegate commit
    @param addr The address of the delegate
    */
    event AssignerDelegateCommit(address indexed addr);

    /**
    @notice Claim a scope
    @param scopeName the name of the scope
    */
    function claimScope(string calldata scopeName) external;

    /**
    @notice Transfer ownership of a scope
    @dev must be accepted by transferee - see {acceptScopeTransfer}
    @param scopeName Name of the scope
    @param newOwner Address of the new owner
    */
    function transferScopeOwnership(string calldata scopeName, address newOwner) external;

    /**
    @notice Cancel a pending scope transfer
    @param scopeName Name of the scope
    */
    function cancelScopeTransfer(string calldata scopeName) external;

    /**
    @notice Accept a scope transfer
    @param scopeName Name of the scope
    */
    function acceptScopeTransfer(string calldata scopeName) external;

    /**
    @notice Get owner-elect of a scope
    @param scopeName Name of the scope
    @return ownerElect Address of the scope's owner-elect
    */
    function getScopeOwnerElect(string calldata scopeName) external view returns (address ownerElect);

    /**
    @notice Get owner of a scope
    @param scopeName Name of the scope
    @return owner Address of the scope owner
    */
    function getScopeOwner(string calldata scopeName) external view returns (address owner);

    /**
    @notice Add an operator to a scope
    @param scopeName Name of the scope
    @param op Address of the operator
    */
    function addOperator(string calldata scopeName, address op) external;

    /**
    @notice Remove an operator from a scope
    @param scopeName Name of the scope
    @param op Address of the operator
    */
    function removeOperator(string calldata scopeName, address op) external;

    /**
    @notice Set rules for a scope
    @param scopeName Name of the scope
    @param allowUserPatch Boolean indicating whether user patches are allowed
    @param allowUserAssign Boolean indicating whether user assignments are allowed
    @param requireWhitelist Boolean indicating whether whitelist is required
    */
    function setScopeRules(string calldata scopeName, bool allowUserPatch, bool allowUserAssign, bool requireWhitelist) external;

    /**
    @notice Add an address to a scope's whitelist
    @param scopeName Name of the scope
    @param addr Address to be whitelisted
    */
    function addWhitelist(string calldata scopeName, address addr) external;

    /**
    @notice Remove an address from a scope's whitelist
    @param scopeName Name of the scope
    @param addr Address to be removed from the whitelist
    */
    function removeWhitelist(string calldata scopeName, address addr) external;

    /**
    @notice Set the mint configuration for a given address
    @param addr The address for which to set the mint configuration, must be IPatchworkMintable
    @param config The mint configuration to be set
    */
    function setMintConfiguration(address addr, MintConfig memory config) external;

    /**
    @notice Get the mint configuration for a given address
    @param addr The address for which to get the mint configuration
    @return config The mint configuration of the given address
    */
    function getMintConfiguration(address addr) external view returns (MintConfig memory config);

    /**
    @notice Set the patch fee for a given address
    @dev must be banker of scope claimed by addr to call
    @param addr The address for which to set the patch fee
    @param baseFee The patch fee to be set in wei
    */
    function setPatchFee(address addr, uint256 baseFee) external;

    /**
    @notice Get the patch fee for a given address
    @param addr The address for which to get the patch fee
    @return baseFee The patch fee of the given address in wei
    */
    function getPatchFee(address addr) external view returns (uint256 baseFee);

    /**
    @notice Set the assign fee for a given fragment address
    @dev must be banker of scope claimed by fragmentAddress to call
    @param fragmentAddress The address of the fragment for which to set the fee
    @param baseFee The assign fee to be set in wei
    */
    function setAssignFee(address fragmentAddress, uint256 baseFee) external;

    /**
    @notice Get the assign fee for a given fragment address
    @param fragmentAddress The address of the fragment for which to get the fee
    @return baseFee The assign fee of the given fragment address in wei
    */
    function getAssignFee(address fragmentAddress) external view returns (uint256 baseFee);

    /**
    @notice Add a banker to a given scope
    @dev must be owner of scope to call
    @param scopeName The name of the scope
    @param addr The address to be added as a banker
    */
    function addBanker(string memory scopeName, address addr) external;

    /**
    @notice Remove a banker from a given scope
    @dev must be owner of scope to call
    @param scopeName The name of the scope
    @param addr The address to be removed as a banker
    */
    function removeBanker(string memory scopeName, address addr) external;

    /**
    @notice Withdraw an amount from the balance of a given scope
    @dev must be owner of scope or banker of scope to call
    @dev transfers to the msg.sender
    @param scopeName The name of the scope
    @param amount The amount to be withdrawn in wei
    */
    function withdraw(string memory scopeName, uint256 amount) external;

    /**
    @notice Get the balance of a given scope
    @param scopeName The name of the scope
    @return balance The balance of the given scope in wei
    */
    function balanceOf(string memory scopeName) external view returns (uint256 balance);

    /**
    @notice Mint a new token
    @param to The address to which the token will be minted
    @param mintable The address of the IPatchworkMintable contract
    @param data Additional data to be passed to the minting
    @return tokenId The ID of the minted token
    */
    function mint(address to, address mintable, bytes calldata data) external payable returns (uint256 tokenId);

    /**
    @notice Mint a batch of new tokens
    @param to The address to which the tokens will be minted
    @param mintable The address of the IPatchworkMintable contract
    @param data Additional data to be passed to the minting
    @param quantity The number of tokens to mint
    @return tokenIds An array of the IDs of the minted tokens
    */
    function mintBatch(address to, address mintable, bytes calldata data, uint256 quantity) external payable returns (uint256[] memory tokenIds);

    /**
    @notice Proposes a protocol fee configuration
    @dev must be protocol owner or banker to call
    @dev configuration does not apply until commitProtocolFeeConfig is called
    @param config The protocol fee configuration to be set
    */
    function proposeProtocolFeeConfig(FeeConfig memory config) external;

    /**
    @notice Commits the current proposed protocol fee configuration
    @dev must be protocol owner or banker to call
    @dev may only be called after timelock has passed
    */
    function commitProtocolFeeConfig() external;

    /**
    @notice Get the current protocol fee configuration
    @return config The current protocol fee configuration
    */
    function getProtocolFeeConfig() external view returns (FeeConfig memory config);

    /**
    @notice Proposes a protocol fee override for a scope
    @dev must be protocol owner or banker to call
    @param config The protocol fee override configuration to be set
    */
    function proposeScopeFeeOverride(string memory scopeName, FeeConfigOverride memory config) external;

    /**
    @notice Commits the current proposed protocol fee override configuration for a scope
    @dev must be protocol owner or banker to call
    @dev may only be called after timelock has passed
    */
    function commitScopeFeeOverride(string memory scopeName) external;

    /**
    @notice Get the protocol fee override for a scope
    @return config The current protocol fee override
    */
    function getScopeFeeOverride(string memory scopeName) external view returns (FeeConfigOverride memory config);

    /**
    @notice Add a banker to the protocol
    @dev must be protocol owner to call
    @param addr The address to be added as a protocol banker
    */
    function addProtocolBanker(address addr) external;

    /**
    @notice Remove a banker from the protocol
    @dev must be protocol owner to call
    @param addr The address to be removed as a protocol banker
    */
    function removeProtocolBanker(address addr) external;

    /**
    @notice Withdraw a specified amount from the protocol balance
    @dev must be protocol owner or banker to call
    @dev transfers to the msg.sender
    @param balance The amount to be withdrawn in wei
    */
    function withdrawFromProtocol(uint256 balance) external;

    /**
    @notice Get the current balance of the protocol
    @return balance The balance of the protocol in wei
    */
    function balanceOfProtocol() external view returns (uint256 balance);

    /**
    @notice Create a new patch
    @param owner The owner of the patch
    @param originalAddress Address of the original 721
    @param originalTokenId Token ID of the original 721
    @param patchAddress Address of the IPatchworkPatch to mint
    @return tokenId Token ID of the newly created patch
    */
    function patch(address owner, address originalAddress, uint originalTokenId, address patchAddress) external payable returns (uint256 tokenId);

    /**
    @notice Callback for when a patch is burned
    @dev can only be called from the patchAddress
    @param originalAddress Address of the original 721
    @param originalTokenId Token ID of the original 721
    @param patchAddress Address of the IPatchworkPatch to mint
    */
    function patchBurned(address originalAddress, uint originalTokenId, address patchAddress) external;

    /**
    @notice Create a new 1155 patch
    @param originalAddress Address of the original 1155
    @param originalTokenId Token ID of the original 1155
    @param originalAccount Address of the account to patch
    @param patchAddress Address of the IPatchworkPatch to mint
    @return tokenId Token ID of the newly created patch
    */
    function patch1155(address to, address originalAddress, uint originalTokenId, address originalAccount, address patchAddress) external payable returns (uint256 tokenId);
    
    /**
    @notice Callback for when an 1155 patch is burned
    @dev can only be called from the patchAddress
    @param originalAddress Address of the original 1155
    @param originalTokenId Token ID of the original 1155
    @param originalAccount Address of the account to patch
    @param patchAddress Address of the IPatchworkPatch to mint
    */
    function patchBurned1155(address originalAddress, uint originalTokenId, address originalAccount, address patchAddress) external;

    /**
    @notice Create a new account patch
    @param owner The owner of the patch
    @param originalAddress Address of the original account
    @param patchAddress Address of the IPatchworkPatch to mint
    @return tokenId Token ID of the newly created patch
    */
    function patchAccount(address owner, address originalAddress, address patchAddress) external payable returns (uint256 tokenId);

    /**
    @notice Callback for when an account patch is burned
    @dev can only be called from the patchAddress
    @param originalAddress Address of the original 1155
    @param patchAddress Address of the IPatchworkPatch to mint
    */
    function patchBurnedAccount(address originalAddress, address patchAddress) external;

    /**
    @notice Assigns a relation to have an IPatchworkLiteRef form a LiteRef to a IPatchworkAssignable
    @param fragment The IPatchworkAssignable address to assign
    @param fragmentTokenId The IPatchworkAssignable Token ID to assign
    @param target The IPatchworkLiteRef address to hold the reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID to hold the reference to the fragment
    */
    function assign(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId) external payable;

    /**
    @notice Assigns a relation to have an IPatchworkLiteRef form a LiteRef to a IPatchworkAssignable
    @param fragment The IPatchworkAssignable address to assign
    @param fragmentTokenId The IPatchworkAssignable Token ID to assign
    @param target The IPatchworkLiteRef address to hold the reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID to hold the reference to the fragment
    @param targetMetadataId The metadata ID on the target to store the reference in
    */
    function assign(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId, uint256 targetMetadataId) external payable;

    /**
    @notice Assign multiple fragments to a target in batch
    @param fragments The array of addresses of the fragment IPatchworkAssignables
    @param tokenIds The array of token IDs of the fragment IPatchworkAssignables
    @param target The address of the target IPatchworkLiteRef 
    @param targetTokenId The token ID of the target IPatchworkLiteRef 
    */
    function assignBatch(address[] calldata fragments, uint256[] calldata tokenIds, address target, uint256 targetTokenId) external payable;

    /**
    @notice Assign multiple fragments to a target in batch
    @param fragments The array of addresses of the fragment IPatchworkAssignables
    @param tokenIds The array of token IDs of the fragment IPatchworkAssignables
    @param target The address of the target IPatchworkLiteRef 
    @param targetTokenId The token ID of the target IPatchworkLiteRef 
    @param targetMetadataId The metadata ID on the target to store the references in
    */
    function assignBatch(address[] calldata fragments, uint256[] calldata tokenIds, address target, uint256 targetTokenId, uint256 targetMetadataId) external payable;

    /**
    @notice Unassign a fragment from a target
    @param fragment The IPatchworkSingleAssignable address of the fragment
    @param fragmentTokenId The IPatchworkSingleAssignable token ID of the fragment
    @dev reverts if fragment is not an IPatchworkSingleAssignable
    */
    function unassignSingle(address fragment, uint256 fragmentTokenId) external;
    
    /**
    @notice Unassign a fragment from a target
    @param fragment The IPatchworkSingleAssignable address of the fragment
    @param fragmentTokenId The IPatchworkSingleAssignable token ID of the fragment
    @param targetMetadataId The metadata ID on the target to unassign from
    @dev reverts if fragment is not an IPatchworkSingleAssignable
    */
    function unassignSingle(address fragment, uint256 fragmentTokenId, uint256 targetMetadataId) external;

    /**
    @notice Unassigns a multi relation
    @param fragment The IPatchworMultiAssignable address to unassign
    @param fragmentTokenId The IPatchworkMultiAssignable Token ID to unassign
    @param target The IPatchworkLiteRef address which holds a reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID which holds a reference to the fragment
    @dev reverts if fragment is not an IPatchworkMultiAssignable
    */
    function unassignMulti(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId) external;

    /**
    @notice Unassigns a multi relation
    @param fragment The IPatchworMultiAssignable address to unassign
    @param fragmentTokenId The IPatchworkMultiAssignable Token ID to unassign
    @param target The IPatchworkLiteRef address which holds a reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID which holds a reference to the fragment
    @param targetMetadataId The metadata ID on the target to unassign from
    @dev reverts if fragment is not an IPatchworkMultiAssignable
    */
    function unassignMulti(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId, uint256 targetMetadataId) external;

    /**
    @notice Unassigns a relation (single or multi)
    @param fragment The IPatchworkAssignable address to unassign
    @param fragmentTokenId The IPatchworkAssignable Token ID to unassign
    @param target The IPatchworkLiteRef address which holds a reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID which holds a reference to the fragment
    */
    function unassign(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId) external;

    /**
    @notice Unassigns a relation (single or multi)
    @param fragment The IPatchworkAssignable address to unassign
    @param fragmentTokenId The IPatchworkAssignable Token ID to unassign
    @param target The IPatchworkLiteRef address which holds a reference to the fragment
    @param targetTokenId The IPatchworkLiteRef Token ID which holds a reference to the fragment
    @param targetMetadataId The metadata ID on the target to unassign from
    */
    function unassign(address fragment, uint256 fragmentTokenId, address target, uint256 targetTokenId, uint256 targetMetadataId) external;

    /**
    @notice Apply transfer rules and actions of a specific token from one address to another
    @param from The address of the sender
    @param to The address of the receiver
    @param tokenId The ID of the token to be transferred
    */
    function applyTransfer(address from, address to, uint256 tokenId) external;

    /**
    @notice Update the ownership tree of a specific Patchwork 721
    @param addr The address of the Patchwork 721
    @param tokenId The ID of the token whose ownership tree needs to be updated
    */
    function updateOwnershipTree(address addr, uint256 tokenId) external;

    /**
    @notice Propose an assigner delegate module
    @param addr The address of the new delegate module
    */
    function proposeAssignerDelegate(address addr) external;

    /**
    @notice Commit the proposed assigner delegate module
    @dev must be past timelock
    */
    function commitAssignerDelegate() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

/**
@title Patchwork Protocol Scoped Interface
@author Runic Labs, Inc
@notice Interface for contracts supporting scopes
*/
interface IPatchworkScoped {
    /**
    @notice Get the scope this NFT claims to belong to
    @return string the name of the scope
    */
    function getScopeName() external view returns (string memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "./IPatchworkAssignable.sol";

/**
@title Patchwork Protocol Assignable Interface
@author Runic Labs, Inc
@notice Interface for contracts supporting Patchwork assignment
*/
interface IPatchworkSingleAssignable is IPatchworkAssignable {
    /**
    @notice Unassigns a token
    @param ourTokenId ID of our token
    */
    function unassign(uint256 ourTokenId) external;

    /**
    @notice Returns the address and token ID that our token is assigned to
    @param ourTokenId ID of our token
    @return address the address this is assigned to
    @return uint256 the tokenId this is assigned to
    */
    function getAssignedTo(uint256 ourTokenId) external view returns (address, uint256);

    /**
    @notice Returns the underlying stored owner of a token ignoring current assignment
    @param ourTokenId ID of our token
    @return address address of the owner
    */
    function unassignedOwnerOf(uint256 ourTokenId) external view returns (address);

    /**
    @notice Sends events for a token when the assigned-to token has been transferred
    @param from Sender address
    @param to Recipient address
    @param tokenId ID of the token
    */
    function onAssignedTransfer(address from, address to, uint256 tokenId) external;

    /**
    @notice Updates the real underlying ownership of a token in storage (if different from current)
    @param tokenId ID of the token
    */
    function updateOwnership(uint256 tokenId) external;
}

// SPDX-License-Identifier: MIT
import {LibEepvers} from '../libraries/LibEepvers.sol';
pragma solidity ^0.8.0;

interface ISetMetadataDelegate {
    function setMetadataDelegate(address _metadataDelegate) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

library LibEepmonkeyTechTuesdayBg {
    bytes32 constant DIAMOND_STORAGE_LOCATION =
        keccak256('xyz.eepvers.eepmonkeyTechTuesdayBg');

    struct Storage {
        uint256 supply;
        uint256 lastTokenId;
    }

    function getStorage() internal pure returns (Storage storage ds) {
        bytes32 position = DIAMOND_STORAGE_LOCATION;
        assembly {
            ds.slot := position
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

library LibEepvers {
    error MissingStorageMap();
    error InvalidMetadataValue();
    error CannotAssignToLiteRef();
    error InvalidMerkleProof();
    error AlreadyClaimed();
    error NotAuthorized();
    error DelegateCallFailed();
    error SupplyExceeded();

    struct StorageMap {
        uint64 slot;
        uint64 index;
    }

    string constant BASE_URI = 'https://eepvers.xyz/erc721/';
    string constant SCOPE = 'eepvers';
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds towards infinity instead
     * of rounding towards zero.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        if (b == 0) {
            // Guarantee the same behavior as in a regular Solidity division.
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }

        // The following calculation ensures accurate ceiling division without overflow.
        // Since a is non-zero, (a - 1) / b will not overflow.
        // The largest possible result occurs when (a - 1) / b is type(uint256).max,
        // but the largest value we can obtain is type(uint256).max - 1, which happens
        // when a = type(uint256).max and b = 1.
        unchecked {
            return a == 0 ? 0 : (a - 1) / b + 1;
        }
    }

    /**
     * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
     * denominator == 0.
     *
     * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
     * Uniswap Labs also under MIT license.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2²⁵⁶ + prod0.
            uint256 prod0 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

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

            // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
            if (denominator <= prod1) {
                Panic.panic(denominator == 0 ? Panic.DIVISION_BY_ZERO : Panic.UNDER_OVERFLOW);
            }

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

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

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

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

            uint256 twos = denominator & (0 - denominator);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

                // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

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

            // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
            // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv ≡ 1 mod 2⁴.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
            // works in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
            inverse *= 2 - denominator * inverse; // inverse mod 2³²
            inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
            inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
            inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
            // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
    }

    /**
     * @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
     *
     * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, expect 0.
     * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
     *
     * If the input value is not inversible, 0 is returned.
     *
     * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Ferma's little theorem and get the
     * inverse using `Math.modExp(a, n - 2, n)`.
     */
    function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
        unchecked {
            if (n == 0) return 0;

            // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
            // Used to compute integers x and y such that: ax + ny = gcd(a, n).
            // When the gcd is 1, then the inverse of a modulo n exists and it's x.
            // ax + ny = 1
            // ax = 1 + (-y)n
            // ax ≡ 1 (mod n) # x is the inverse of a modulo n

            // If the remainder is 0 the gcd is n right away.
            uint256 remainder = a % n;
            uint256 gcd = n;

            // Therefore the initial coefficients are:
            // ax + ny = gcd(a, n) = n
            // 0a + 1n = n
            int256 x = 0;
            int256 y = 1;

            while (remainder != 0) {
                uint256 quotient = gcd / remainder;

                (gcd, remainder) = (
                    // The old remainder is the next gcd to try.
                    remainder,
                    // Compute the next remainder.
                    // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
                    // where gcd is at most n (capped to type(uint256).max)
                    gcd - remainder * quotient
                );

                (x, y) = (
                    // Increment the coefficient of a.
                    y,
                    // Decrement the coefficient of n.
                    // Can overflow, but the result is casted to uint256 so that the
                    // next value of y is "wrapped around" to a value between 0 and n - 1.
                    x - y * int256(quotient)
                );
            }

            if (gcd != 1) return 0; // No inverse exists.
            return x < 0 ? (n - uint256(-x)) : uint256(x); // Wrap the result if it's negative.
        }
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
     *
     * Requirements:
     * - modulus can't be zero
     * - underlying staticcall to precompile must succeed
     *
     * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
     * sure the chain you're using it on supports the precompiled contract for modular exponentiation
     * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
     * the underlying function will succeed given the lack of a revert, but the result may be incorrectly
     * interpreted as 0.
     */
    function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
        (bool success, uint256 result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
     * It includes a success flag indicating if the operation succeeded. Operation will be marked has failed if trying
     * to operate modulo 0 or if the underlying precompile reverted.
     *
     * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
     * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
     * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
     * of a revert, but the result may be incorrectly interpreted as 0.
     */
    function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
        if (m == 0) return (false, 0);
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            // | Offset    | Content    | Content (Hex)                                                      |
            // |-----------|------------|--------------------------------------------------------------------|
            // | 0x00:0x1f | size of b  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x20:0x3f | size of e  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x40:0x5f | size of m  | 0x0000000000000000000000000000000000000000000000000000000000000020 |
            // | 0x60:0x7f | value of b | 0x<.............................................................b> |
            // | 0x80:0x9f | value of e | 0x<.............................................................e> |
            // | 0xa0:0xbf | value of m | 0x<.............................................................m> |
            mstore(ptr, 0x20)
            mstore(add(ptr, 0x20), 0x20)
            mstore(add(ptr, 0x40), 0x20)
            mstore(add(ptr, 0x60), b)
            mstore(add(ptr, 0x80), e)
            mstore(add(ptr, 0xa0), m)

            // Given the result < m, it's guaranteed to fit in 32 bytes,
            // so we can use the memory scratch space located at offset 0.
            success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
            result := mload(0x00)
        }
    }

    /**
     * @dev Variant of {modExp} that supports inputs of arbitrary length.
     */
    function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
        (bool success, bytes memory result) = tryModExp(b, e, m);
        if (!success) {
            Panic.panic(Panic.DIVISION_BY_ZERO);
        }
        return result;
    }

    /**
     * @dev Variant of {tryModExp} that supports inputs of arbitrary length.
     */
    function tryModExp(
        bytes memory b,
        bytes memory e,
        bytes memory m
    ) internal view returns (bool success, bytes memory result) {
        if (_zeroBytes(m)) return (false, new bytes(0));

        uint256 mLen = m.length;

        // Encode call args in result and move the free memory pointer
        result = abi.encodePacked(b.length, e.length, mLen, b, e, m);

        /// @solidity memory-safe-assembly
        assembly {
            let dataPtr := add(result, 0x20)
            // Write result on top of args to avoid allocating extra memory.
            success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
            // Overwrite the length.
            // result.length > returndatasize() is guaranteed because returndatasize() == m.length
            mstore(result, mLen)
            // Set the memory pointer after the returned data.
            mstore(0x40, add(dataPtr, mLen))
        }
    }

    /**
     * @dev Returns whether the provided byte array is zero.
     */
    function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
        for (uint256 i = 0; i < byteArray.length; ++i) {
            if (byteArray[i] != 0) {
                return false;
            }
        }
        return true;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
     * towards zero.
     *
     * This method is based on Newton's method for computing square roots; the algorithm is restricted to only
     * using integer operations.
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        unchecked {
            // Take care of easy edge cases when a == 0 or a == 1
            if (a <= 1) {
                return a;
            }

            // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
            // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
            // the current value as `ε_n = | x_n - sqrt(a) |`.
            //
            // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
            // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
            // bigger than any uint256.
            //
            // By noticing that
            // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
            // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
            // to the msb function.
            uint256 aa = a;
            uint256 xn = 1;

            if (aa >= (1 << 128)) {
                aa >>= 128;
                xn <<= 64;
            }
            if (aa >= (1 << 64)) {
                aa >>= 64;
                xn <<= 32;
            }
            if (aa >= (1 << 32)) {
                aa >>= 32;
                xn <<= 16;
            }
            if (aa >= (1 << 16)) {
                aa >>= 16;
                xn <<= 8;
            }
            if (aa >= (1 << 8)) {
                aa >>= 8;
                xn <<= 4;
            }
            if (aa >= (1 << 4)) {
                aa >>= 4;
                xn <<= 2;
            }
            if (aa >= (1 << 2)) {
                xn <<= 1;
            }

            // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
            //
            // We can refine our estimation by noticing that the middle of that interval minimizes the error.
            // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
            // This is going to be our x_0 (and ε_0)
            xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)

            // From here, Newton's method give us:
            // x_{n+1} = (x_n + a / x_n) / 2
            //
            // One should note that:
            // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
            //              = ((x_n² + a) / (2 * x_n))² - a
            //              = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
            //              = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
            //              = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
            //              = (x_n² - a)² / (2 * x_n)²
            //              = ((x_n² - a) / (2 * x_n))²
            //              ≥ 0
            // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
            //
            // This gives us the proof of quadratic convergence of the sequence:
            // ε_{n+1} = | x_{n+1} - sqrt(a) |
            //         = | (x_n + a / x_n) / 2 - sqrt(a) |
            //         = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
            //         = | (x_n - sqrt(a))² / (2 * x_n) |
            //         = | ε_n² / (2 * x_n) |
            //         = ε_n² / | (2 * x_n) |
            //
            // For the first iteration, we have a special case where x_0 is known:
            // ε_1 = ε_0² / | (2 * x_0) |
            //     ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
            //     ≤ 2**(2*e-4) / (3 * 2**(e-1))
            //     ≤ 2**(e-3) / 3
            //     ≤ 2**(e-3-log2(3))
            //     ≤ 2**(e-4.5)
            //
            // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
            // ε_{n+1} = ε_n² / | (2 * x_n) |
            //         ≤ (2**(e-k))² / (2 * 2**(e-1))
            //         ≤ 2**(2*e-2*k) / 2**e
            //         ≤ 2**(e-2*k)
            xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5)  -- special case, see above
            xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9)    -- general case with k = 4.5
            xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18)   -- general case with k = 9
            xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36)   -- general case with k = 18
            xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72)   -- general case with k = 36
            xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144)  -- general case with k = 72

            // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
            // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
            // sqrt(a) or sqrt(a) + 1.
            return xn - SafeCast.toUint(xn > a / xn);
        }
    }

    /**
     * @dev Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        uint256 exp;
        unchecked {
            exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
            value >>= exp;
            result += exp;

            exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
            value >>= exp;
            result += exp;

            exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
            value >>= exp;
            result += exp;

            exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
            value >>= exp;
            result += exp;

            exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
            value >>= exp;
            result += exp;

            exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
            value >>= exp;
            result += exp;

            exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
            value >>= exp;
            result += exp;

            result += SafeCast.toUint(value > 1);
        }
        return result;
    }

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

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

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

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        uint256 isGt;
        unchecked {
            isGt = SafeCast.toUint(value > (1 << 128) - 1);
            value >>= isGt * 128;
            result += isGt * 16;

            isGt = SafeCast.toUint(value > (1 << 64) - 1);
            value >>= isGt * 64;
            result += isGt * 8;

            isGt = SafeCast.toUint(value > (1 << 32) - 1);
            value >>= isGt * 32;
            result += isGt * 4;

            isGt = SafeCast.toUint(value > (1 << 16) - 1);
            value >>= isGt * 16;
            result += isGt * 2;

            result += SafeCast.toUint(value > (1 << 8) - 1);
        }
        return result;
    }

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

    /**
     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
     */
    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
        return uint8(rounding) % 2 == 1;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";
import {console} from "forge-std/console.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @dev Helper library for emitting standardized panic codes.
 *
 * ```solidity
 * contract Example {
 *      using Panic for uint256;
 *
 *      // Use any of the declared internal constants
 *      function foo() { Panic.GENERIC.panic(); }
 *
 *      // Alternatively
 *      function foo() { Panic.panic(Panic.GENERIC); }
 * }
 * ```
 *
 * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
 */
// slither-disable-next-line unused-state
library Panic {
    /// @dev generic / unspecified error
    uint256 internal constant GENERIC = 0x00;
    /// @dev used by the assert() builtin
    uint256 internal constant ASSERT = 0x01;
    /// @dev arithmetic underflow or overflow
    uint256 internal constant UNDER_OVERFLOW = 0x11;
    /// @dev division or modulo by zero
    uint256 internal constant DIVISION_BY_ZERO = 0x12;
    /// @dev enum conversion error
    uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
    /// @dev invalid encoding in storage
    uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
    /// @dev empty array pop
    uint256 internal constant EMPTY_ARRAY_POP = 0x31;
    /// @dev array out of bounds access
    uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
    /// @dev resource error (too large allocation or too large array)
    uint256 internal constant RESOURCE_ERROR = 0x41;
    /// @dev calling invalid internal function
    uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;

    /// @dev Reverts with a panic code. Recommended to use with
    /// the internal constants with predefined codes.
    function panic(uint256 code) internal pure {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, 0x4e487b71)
            mstore(0x20, code)
            revert(0x1c, 0x24)
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import '@openzeppelin/contracts/token/ERC721/ERC721.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import './interfaces/IPatchwork721.sol';
import './interfaces/IERC4906.sol';
import './interfaces/IPatchworkProtocol.sol';
/**
@title Patchwork721 Abstract Contract
@dev This abstract contract defines the core functionalities for the Patchwork721.
     It inherits from the standard ERC721, as well as the IPatchwork721 and IERC4906 interfaces.
*/
abstract contract Patchwork721 is ERC721, IPatchwork721, IERC4906, Ownable {
    /// @dev The scope name of this 721.
    string internal _scopeName;

    /// @dev Our manager (PatchworkProtocol).
    address internal immutable _manager;

    /// @dev A mapping to keep track of permissions for each address.
    mapping(address => uint256) internal _permissionsAllow;

    /// @dev A mapping for storing metadata associated with each token ID.
    mapping(uint256 => uint256[]) internal _metadataStorage;

    /// @dev A mapping for storing freeze nonces of each token ID.
    mapping(uint256 => uint256) internal _freezeNonces;

    /// @dev A mapping indicating whether a specific token ID is frozen.
    mapping(uint256 => bool) internal _freezes;

    /// @dev A mapping indicating whether a specific token ID is locked.
    mapping(uint256 => bool) internal _locks;

    /**
    @notice Creates a new instance of the Patchwork721 contract with the provided parameters.
    @dev msg.sender will be initial owner
    @param scopeName_ The scope name.
    @param name_ The ERC-721 name.
    @param symbol_ The ERC-721 symbol.
    @param manager_ The address that will be set as the manager (PatchworkProtocol).
    @param owner_ The address that will be set as the owner
    */
    constructor(
        string memory scopeName_,
        string memory name_,
        string memory symbol_,
        address manager_,
        address owner_
    ) ERC721(name_, symbol_) Ownable(owner_) {
        _scopeName = scopeName_;
        _manager = manager_;
    }

    /**
    @dev See {IPatchwork721-getScopeName}
    */
    function getScopeName() public view virtual returns (string memory) {
        return _scopeName;
    }

    /**
    @dev See {IPatchwork721-storePackedMetadataSlot}
    */
    function storePackedMetadataSlot(
        uint256 tokenId,
        uint256 slot,
        uint256 data
    ) public virtual mustHaveTokenWriteAuth(tokenId) {
        _metadataStorage[tokenId][slot] = data;
    }

    /**
    @dev See {IPatchwork721-storePackedMetadata}
    */
    function storePackedMetadata(
        uint256 tokenId,
        uint256[] memory data
    ) public virtual mustHaveTokenWriteAuth(tokenId) {
        _metadataStorage[tokenId] = data;
    }

    /**
    @dev See {IPatchwork721-loadPackedMetadataSlot}
    */
    function loadPackedMetadataSlot(
        uint256 tokenId,
        uint256 slot
    ) public view virtual returns (uint256) {
        return _metadataStorage[tokenId][slot];
    }

    /**
    @dev See {IPatchwork721-loadPackedMetadata}
    */
    function loadPackedMetadata(
        uint256 tokenId
    ) public view virtual returns (uint256[] memory) {
        return _metadataStorage[tokenId];
    }

    // Does msg.sender have permission to write to our top level storage?
    function _checkWriteAuth() internal view virtual returns (bool allow) {
        return (msg.sender == owner());
    }

    // Does msg.sender have permission to write to this token's data?
    function _checkTokenWriteAuth(
        uint256 /*tokenId*/
    ) internal view virtual returns (bool allow) {
        return (msg.sender == owner() || msg.sender == _manager);
    }

    /**
    @dev See {IPatchwork721-setPermissions}
    */
    function setPermissions(
        address to,
        uint256 permissions
    ) public virtual mustHaveWriteAuth {
        _permissionsAllow[to] = permissions;
        emit PermissionChange(to, permissions);
    }

    /**
    @dev See {IERC165-supportsInterface}
    */
    function supportsInterface(
        bytes4 interfaceID
    ) public view virtual override(ERC721, IERC165) returns (bool) {
        return
            interfaceID == type(IPatchwork721).interfaceId ||
            interfaceID == type(IERC5192).interfaceId ||
            interfaceID == type(IERC4906).interfaceId ||
            interfaceID == type(IPatchworkScoped).interfaceId ||
            ERC721.supportsInterface(interfaceID);
    }

    /**
    @dev See {IERC721-transferFrom}.
    */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override(ERC721, IERC721) {
        IPatchworkProtocol(_manager).applyTransfer(from, to, tokenId);
        super.transferFrom(from, to, tokenId);
    }

    /**
    @dev See {IERC721-safeTransferFrom}.
    */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public virtual override(ERC721, IERC721) {
        IPatchworkProtocol(_manager).applyTransfer(from, to, tokenId);
        super.safeTransferFrom(from, to, tokenId, data);
    }

    /**
    @notice transfers a token with a known freeze nonce
    @dev reverts if the token is not frozen or if the current freeze nonce does not match the provided nonce
    @dev See {IERC721-transferFrom}.
    */
    function transferFromWithFreezeNonce(
        address from,
        address to,
        uint256 tokenId,
        uint256 nonce
    ) public mustBeFrozenWithNonce(tokenId, nonce) {
        transferFrom(from, to, tokenId);
    }

    /**
    @notice transfers a token with a known freeze nonce
    @dev reverts if the token is not frozen or if the current freeze nonce does not match the provided nonce
    @dev See {IERC721-safeTransferFrom}.
    */
    function safeTransferFromWithFreezeNonce(
        address from,
        address to,
        uint256 tokenId,
        uint256 nonce
    ) public mustBeFrozenWithNonce(tokenId, nonce) {
        safeTransferFrom(from, to, tokenId);
    }

    /**
    @notice transfers a token with a known freeze nonce
    @dev reverts if the token is not frozen or if the current freeze nonce does not match the provided nonce
    @dev See {IERC721-safeTransferFrom}.
    */
    function safeTransferFromWithFreezeNonce(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data,
        uint256 nonce
    ) public mustBeFrozenWithNonce(tokenId, nonce) {
        safeTransferFrom(from, to, tokenId, data);
    }

    /**
    @dev See {IPatchwork721-getFreezeNonce}
    */
    function getFreezeNonce(
        uint256 tokenId
    ) public view virtual returns (uint256 nonce) {
        return _freezeNonces[tokenId];
    }

    /**
    @dev See {IPatchwork721-setFrozen}
    */
    function setFrozen(
        uint256 tokenId,
        bool frozen_
    ) public virtual mustBeTokenOwner(tokenId) {
        bool _frozen = _freezes[tokenId];
        if (_frozen != frozen_) {
            if (frozen_) {
                _freezes[tokenId] = true;
                emit Frozen(tokenId);
            } else {
                _freezeNonces[tokenId]++;
                _freezes[tokenId] = false;
                emit Thawed(tokenId);
            }
        }
    }

    /**
    @dev See {IPatchwork721-frozen}
    */
    function frozen(uint256 tokenId) public view virtual returns (bool) {
        return _freezes[tokenId];
    }

    /**
    @dev See {IPatchwork721-locked}
    */
    function locked(uint256 tokenId) public view virtual returns (bool) {
        return _locks[tokenId];
    }

    /**
    @dev See {IPatchwork721-setLocked}
    */
    function setLocked(
        uint256 tokenId,
        bool locked_
    ) public virtual mustBeTokenOwner(tokenId) {
        bool _locked = _locks[tokenId];
        if (_locked != locked_) {
            _locks[tokenId] = locked_;
            if (locked_) {
                emit Locked(tokenId);
            } else {
                emit Unlocked(tokenId);
            }
        }
    }

    modifier mustHaveWriteAuth() {
        if (!_checkWriteAuth()) {
            revert IPatchworkProtocol.NotAuthorized(msg.sender);
        }
        _;
    }

    modifier mustHaveTokenWriteAuth(uint256 tokenId) {
        if (!_checkTokenWriteAuth(tokenId)) {
            revert IPatchworkProtocol.NotAuthorized(msg.sender);
        }
        _;
    }

    modifier mustBeTokenOwner(uint256 tokenId) {
        if (msg.sender != ownerOf(tokenId)) {
            revert IPatchworkProtocol.NotAuthorized(msg.sender);
        }
        _;
    }

    modifier mustBeFrozenWithNonce(uint256 tokenId, uint256 nonce) {
        if (!frozen(tokenId)) {
            revert IPatchworkProtocol.NotFrozen(address(this), tokenId);
        }
        if (getFreezeNonce(tokenId) != nonce) {
            revert IPatchworkProtocol.IncorrectNonce(
                address(this),
                tokenId,
                nonce
            );
        }
        _;
    }

    modifier mustBeManager() {
        if (msg.sender != _manager) {
            revert IPatchworkProtocol.NotAuthorized(msg.sender);
        }
        _;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import './Patchwork721.sol';
import './interfaces/IPatchworkSingleAssignable.sol';
import {console} from 'forge-std/console.sol';
/**
@title PatchworkFragmentSingle
@dev base implementation of a Single-relation Fragment is IPatchworkSingleAssignable
*/
abstract contract PatchworkFragmentSingle is
    Patchwork721,
    IPatchworkSingleAssignable
{
    /// A mapping from token IDs in this contract to their assignments.
    mapping(uint256 => Assignment) internal _assignments;

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

    /**
    @dev See {IPatchworkAssignableNFT-assign}
    */
    function assign(
        uint256 ourTokenId,
        address to,
        uint256 tokenId
    ) public virtual mustHaveTokenWriteAuth(tokenId) {
        // One time use policy
        Assignment storage a = _assignments[ourTokenId];
        if (a.tokenAddr != address(0)) {
            revert IPatchworkProtocol.FragmentAlreadyAssigned(
                address(this),
                ourTokenId
            );
        }
        a.tokenAddr = to;
        a.tokenId = tokenId;
        emit Locked(ourTokenId);
    }

    /**
    @dev See {IPatchworkAssignableNFT-unassign}
    */
    function unassign(
        uint256 tokenId
    ) public virtual mustHaveTokenWriteAuth(tokenId) {
        if (_assignments[tokenId].tokenAddr == address(0)) {
            revert IPatchworkProtocol.FragmentNotAssigned(
                address(this),
                tokenId
            );
        }
        updateOwnership(tokenId);
        delete _assignments[tokenId];
        emit Unlocked(tokenId);
    }

    /**
    @dev See {IPatchworAssignable-allowAssignment}
    */
    function allowAssignment(
        uint256 ourTokenId,
        address /*target*/,
        uint256 /*targetTokenId*/,
        address targetOwner,
        address /*by*/,
        string memory /*scopeName*/
    ) public view virtual returns (bool) {
        // By default only allow single assignments to be to the same owner as the target
        // Warning - Changing this without changing the other ownership logic in this contract to reflect this will make ownership inconsistent
        return targetOwner == ownerOf(ourTokenId);
    }

    /**
    @dev See {IPatchworkAssignableNFT-updateOwnership}
    */
    function updateOwnership(uint256 tokenId) public virtual {
        Assignment storage assignment = _assignments[tokenId];
        if (assignment.tokenAddr != address(0)) {
            address owner_ = ownerOf(tokenId);
            address curOwner = super.ownerOf(tokenId);
            if (owner_ != curOwner) {
                // Parent ownership has changed, update our ownership to reflect this
                ERC721._transfer(curOwner, owner_, tokenId);
            }
        }
    }

    /**
    @dev owned by the assignment's owner
    @dev See {IERC721-ownerOf}
    */
    function ownerOf(
        uint256 tokenId
    ) public view virtual override(ERC721, IERC721) returns (address) {
        // If assigned, it's owned by the assignment, otherwise normal owner
        Assignment storage assignment = _assignments[tokenId];
        if (assignment.tokenAddr != address(0)) {
            return IERC721(assignment.tokenAddr).ownerOf(assignment.tokenId);
        }
        return super.ownerOf(tokenId);
    }

    /**
    @dev See {IPatchworkAssignableNFT-unassignedOwnerOf}
    */
    function unassignedOwnerOf(
        uint256 tokenId
    ) public view virtual returns (address) {
        return super.ownerOf(tokenId);
    }

    /**
    @dev See {IPatchworkAssignableNFT-getAssignedTo}
    */
    function getAssignedTo(
        uint256 ourTokenId
    ) public view virtual returns (address, uint256) {
        Assignment storage a = _assignments[ourTokenId];
        return (a.tokenAddr, a.tokenId);
    }

    /**
    @dev See {IPatchworkAssignableNFT-onAssignedTransfer}
    */
    function onAssignedTransfer(
        address from,
        address to,
        uint256 tokenId
    ) public virtual {
        require(msg.sender == _manager);
        emit Transfer(from, to, tokenId);
    }

    /**
    @dev See {IPatchwork721-locked}
    */
    function locked(
        uint256 tokenId
    ) public view virtual override returns (bool) {
        // Locked when assigned (implicit) or if explicitly locked
        return
            _assignments[tokenId].tokenAddr != address(0) ||
            super.locked(tokenId);
    }

    /**
    @dev See {IPatchwork721-setLocked}
    */
    function setLocked(uint256 tokenId, bool locked_) public virtual override {
        if (msg.sender != ownerOf(tokenId)) {
            revert IPatchworkProtocol.NotAuthorized(msg.sender);
        }
        require(
            _assignments[tokenId].tokenAddr == address(0),
            'cannot setLocked assigned fragment'
        );
        super.setLocked(tokenId, locked_);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.20;

/**
 * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeCast {
    /**
     * @dev Value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);

    /**
     * @dev An int value doesn't fit in an uint of `bits` size.
     */
    error SafeCastOverflowedIntToUint(int256 value);

    /**
     * @dev Value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);

    /**
     * @dev An uint value doesn't fit in an int of `bits` size.
     */
    error SafeCastOverflowedUintToInt(uint256 value);

    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        if (value > type(uint248).max) {
            revert SafeCastOverflowedUintDowncast(248, value);
        }
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        if (value > type(uint240).max) {
            revert SafeCastOverflowedUintDowncast(240, value);
        }
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        if (value > type(uint232).max) {
            revert SafeCastOverflowedUintDowncast(232, value);
        }
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        if (value > type(uint224).max) {
            revert SafeCastOverflowedUintDowncast(224, value);
        }
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        if (value > type(uint216).max) {
            revert SafeCastOverflowedUintDowncast(216, value);
        }
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        if (value > type(uint208).max) {
            revert SafeCastOverflowedUintDowncast(208, value);
        }
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        if (value > type(uint200).max) {
            revert SafeCastOverflowedUintDowncast(200, value);
        }
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        if (value > type(uint192).max) {
            revert SafeCastOverflowedUintDowncast(192, value);
        }
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        if (value > type(uint184).max) {
            revert SafeCastOverflowedUintDowncast(184, value);
        }
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        if (value > type(uint176).max) {
            revert SafeCastOverflowedUintDowncast(176, value);
        }
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        if (value > type(uint168).max) {
            revert SafeCastOverflowedUintDowncast(168, value);
        }
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        if (value > type(uint160).max) {
            revert SafeCastOverflowedUintDowncast(160, value);
        }
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        if (value > type(uint152).max) {
            revert SafeCastOverflowedUintDowncast(152, value);
        }
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        if (value > type(uint144).max) {
            revert SafeCastOverflowedUintDowncast(144, value);
        }
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        if (value > type(uint136).max) {
            revert SafeCastOverflowedUintDowncast(136, value);
        }
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        if (value > type(uint128).max) {
            revert SafeCastOverflowedUintDowncast(128, value);
        }
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        if (value > type(uint120).max) {
            revert SafeCastOverflowedUintDowncast(120, value);
        }
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        if (value > type(uint112).max) {
            revert SafeCastOverflowedUintDowncast(112, value);
        }
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        if (value > type(uint104).max) {
            revert SafeCastOverflowedUintDowncast(104, value);
        }
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        if (value > type(uint96).max) {
            revert SafeCastOverflowedUintDowncast(96, value);
        }
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        if (value > type(uint88).max) {
            revert SafeCastOverflowedUintDowncast(88, value);
        }
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        if (value > type(uint80).max) {
            revert SafeCastOverflowedUintDowncast(80, value);
        }
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        if (value > type(uint72).max) {
            revert SafeCastOverflowedUintDowncast(72, value);
        }
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        if (value > type(uint64).max) {
            revert SafeCastOverflowedUintDowncast(64, value);
        }
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        if (value > type(uint56).max) {
            revert SafeCastOverflowedUintDowncast(56, value);
        }
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        if (value > type(uint48).max) {
            revert SafeCastOverflowedUintDowncast(48, value);
        }
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        if (value > type(uint40).max) {
            revert SafeCastOverflowedUintDowncast(40, value);
        }
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        if (value > type(uint32).max) {
            revert SafeCastOverflowedUintDowncast(32, value);
        }
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        if (value > type(uint24).max) {
            revert SafeCastOverflowedUintDowncast(24, value);
        }
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        if (value > type(uint16).max) {
            revert SafeCastOverflowedUintDowncast(16, value);
        }
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        if (value > type(uint8).max) {
            revert SafeCastOverflowedUintDowncast(8, value);
        }
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        if (value < 0) {
            revert SafeCastOverflowedIntToUint(value);
        }
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(248, value);
        }
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(240, value);
        }
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(232, value);
        }
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(224, value);
        }
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(216, value);
        }
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(208, value);
        }
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(200, value);
        }
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(192, value);
        }
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(184, value);
        }
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(176, value);
        }
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(168, value);
        }
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(160, value);
        }
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(152, value);
        }
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(144, value);
        }
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(136, value);
        }
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(128, value);
        }
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(120, value);
        }
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(112, value);
        }
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(104, value);
        }
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(96, value);
        }
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(88, value);
        }
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(80, value);
        }
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(72, value);
        }
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(64, value);
        }
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(56, value);
        }
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(48, value);
        }
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(40, value);
        }
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(32, value);
        }
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(24, value);
        }
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(16, value);
        }
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        if (downcasted != value) {
            revert SafeCastOverflowedIntDowncast(8, value);
        }
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        if (value > uint256(type(int256).max)) {
            revert SafeCastOverflowedUintToInt(value);
        }
        return int256(value);
    }

    /**
     * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
     */
    function toUint(bool b) internal pure returns (uint256 u) {
        /// @solidity memory-safe-assembly
        assembly {
            u := iszero(iszero(b))
        }
    }
}