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

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

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

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

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

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

pragma solidity ^0.8.0;

// SPDX-License-Identifier: MIT

/// @title Base64
/// @author Brecht Devos - <brecht@loopring.org>
/// @notice Provides a function for encoding some bytes in base64

/// modified to add some utility functions
library Base64 {
    string internal constant TABLE =
        'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

    function encode(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';

        // load the table into memory
        string memory table = TABLE;

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        // add some extra buffer at the end required for the writing
        string memory result = new string(encodedLen + 32);

        assembly {
            // set the actual output length
            mstore(result, encodedLen)

            // prepare the lookup table
            let tablePtr := add(table, 1)

            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            // result ptr, jump over length
            let resultPtr := add(result, 32)

            // run over the input, 3 bytes at a time
            for {

            } lt(dataPtr, endPtr) {

            } {
                dataPtr := add(dataPtr, 3)

                // read 3 bytes
                let input := mload(dataPtr)

                // write 4 characters
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(shr(6, input), 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
                mstore(
                    resultPtr,
                    shl(248, mload(add(tablePtr, and(input, 0x3F))))
                )
                resultPtr := add(resultPtr, 1)
            }

            // padding with '='
            switch mod(mload(data), 3)
            case 1 {
                mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
            }
            case 2 {
                mstore(sub(resultPtr, 1), shl(248, 0x3d))
            }
        }

        return result;
    }

    function toB64JSON(bytes memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return
            string(
                abi.encodePacked(
                    'data:application/json;base64,',
                    encode(toEncode)
                )
            );
    }

    function toB64JSON(string memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return toB64JSON(bytes(toEncode));
    }

    function toB64SVG(bytes memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return
            string(
                abi.encodePacked('data:image/svg+xml;base64,', encode(toEncode))
            );
    }

    function toB64SVG(string memory toEncode)
        internal
        pure
        returns (string memory)
    {
        return toB64SVG(bytes(toEncode));
    }
}

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


library Bytecode {
  error InvalidCodeAtRange(uint256 _size, uint256 _start, uint256 _end);

  /**
    @notice Generate a creation code that results on a contract with `_code` as bytecode
    @param _code The returning value of the resulting `creationCode`
    @return creationCode (constructor) for new contract
  */
  function creationCodeFor(bytes memory _code) internal pure returns (bytes memory) {
    /*
      0x00    0x63         0x63XXXXXX  PUSH4 _code.length  size
      0x01    0x80         0x80        DUP1                size size
      0x02    0x60         0x600e      PUSH1 14            14 size size
      0x03    0x60         0x6000      PUSH1 00            0 14 size size
      0x04    0x39         0x39        CODECOPY            size
      0x05    0x60         0x6000      PUSH1 00            0 size
      0x06    0xf3         0xf3        RETURN
      <CODE>
    */

    return abi.encodePacked(
      hex"63",
      uint32(_code.length),
      hex"80_60_0E_60_00_39_60_00_F3",
      _code
    );
  }

  /**
    @notice Returns the size of the code on a given address
    @param _addr Address that may or may not contain code
    @return size of the code on the given `_addr`
  */
  function codeSize(address _addr) internal view returns (uint256 size) {
    assembly { size := extcodesize(_addr) }
  }

  /**
    @notice Returns the code of a given address
    @dev It will fail if `_end < _start`
    @param _addr Address that may or may not contain code
    @param _start number of bytes of code to skip on read
    @param _end index before which to end extraction
    @return oCode read from `_addr` deployed bytecode

    Forked from: https://gist.github.com/KardanovIR/fe98661df9338c842b4a30306d507fbd
  */
  function codeAt(address _addr, uint256 _start, uint256 _end) internal view returns (bytes memory oCode) {
    uint256 csize = codeSize(_addr);
    if (csize == 0) return bytes("");

    if (_start > csize) return bytes("");
    if (_end < _start) revert InvalidCodeAtRange(csize, _start, _end); 

    unchecked {
      uint256 reqSize = _end - _start;
      uint256 maxSize = csize - _start;

      uint256 size = maxSize < reqSize ? maxSize : reqSize;

      assembly {
        // allocate output byte array - this could also be done without assembly
        // by using o_code = new bytes(size)
        oCode := mload(0x40)
        // new "memory end" including padding
        mstore(0x40, add(oCode, and(add(add(size, 0x20), 0x1f), not(0x1f))))
        // store length in memory
        mstore(oCode, size)
        // actually retrieve the code, this needs assembly
        extcodecopy(_addr, add(oCode, 0x20), _start, size)
      }
    }
  }
}

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/// @title IERC2981Royalties
/// @dev Interface for the ERC2981 - Token Royalty standard
interface IERC2981Royalties {
    /// @notice Called with the sale price to determine how much royalty
    //          is owed and to whom.
    /// @param _tokenId - the NFT asset queried for royalty information
    /// @param _value - the sale price of the NFT asset specified by _tokenId
    /// @return _receiver - address of who should be sent the royalty payment
    /// @return _royaltyAmount - the royalty payment amount for value sale price
    function royaltyInfo(uint256 _tokenId, uint256 _value)
        external
        view
        returns (address _receiver, uint256 _royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

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

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol';
import './ERC721/IERC721WithRoyalties.sol';

/// @title ERC721Slim
/// @dev This is a "slim" version of an ERC721 for NiftyForge
///      Slim ERC721 do not have all the bells and whistle that the ERC721Full have
///      Slim is made for series (like PFPs or Generative series)
///      The mint starts from 1 and ups
///      Not even the owner can mint directly on this collection.
///      It has to be the module passed as initialization
/// @author Simon Fremaux (@dievardump)
interface IERC721Slim is IERC721Upgradeable, IERC721WithRoyalties {
    function baseURI() external view returns (string memory);

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

    // receive() external payable {}

    /// @notice This is a generic function that allows this contract's owner to withdraw
    ///         any balance / ERC20 / ERC721 / ERC1155 it can have
    ///         this contract has no payable nor receive function so it should not get any nativ token
    ///         but this could save some ERC20, 721 or 1155
    /// @param token the token to withdraw from. address(0) means native chain token
    /// @param amount the amount to withdraw if native token, erc20 or erc1155 - must be 0 for ERC721
    /// @param tokenId the tokenId to withdraw for ERC1155 and ERC721
    function withdraw(
        address token,
        uint256 amount,
        uint256 tokenId
    ) external;

    /// @notice Helper to know if an address can do the action an Editor can
    /// @param account the address to check
    function canEdit(address account) external view returns (bool);

    /// @notice Allows to get approved using a permit and transfer in the same call
    /// @dev this supposes that the permit is for msg.sender
    /// @param from current owner
    /// @param to recipient
    /// @param tokenId the token id
    /// @param _data optional data to add
    /// @param deadline the deadline for the permit to be used
    /// @param signature of permit
    function safeTransferFromWithPermit(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data,
        uint256 deadline,
        bytes memory signature
    ) external;

    /// @notice Set the base token URI
    /// @dev only an editor can do that (account or module)
    /// @param baseURI_ the new base token uri used in tokenURI()
    function setBaseURI(string memory baseURI_) external;

    /// @notice Allows to change the default royalties recipient
    /// @dev an editor can call this
    /// @param recipient new default royalties recipient
    function setDefaultRoyaltiesRecipient(address recipient) external;

    /// @notice Helper for the owner of the contract to set the new contract URI
    /// @dev needs to be owner
    /// @param contractURI_ new contract URI
    function setContractURI(string memory contractURI_) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '../Royalties/ERC2981/IERC2981Royalties.sol';
import '../Royalties/RaribleSecondarySales/IRaribleSecondarySales.sol';
import '../Royalties/FoundationSecondarySales/IFoundationSecondarySales.sol';

/// @dev This is a contract used for royalties on various platforms
/// @author Simon Fremaux (@dievardump)
interface IERC721WithRoyalties is
    IERC2981Royalties,
    IRaribleSecondarySales,
    IFoundationSecondarySales
{

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface IFoundationSecondarySales {
    /// @notice returns a list of royalties recipients and the amount
    /// @param tokenId the token Id to check for
    /// @return all the recipients and their basis points, for tokenId
    function getFees(uint256 tokenId)
        external
        view
        returns (address payable[] memory, uint256[] memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface INFModuleTokenURI {
    function tokenURI(address registry, uint256 tokenId)
        external
        view
        returns (string memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface INFModuleWithRoyalties {
    /// @notice Return royalties (recipient, basisPoint) for tokenId
    /// @dev Contrary to EIP2981, modules are expected to return basisPoint for second parameters
    ///      This in order to allow right royalties on marketplaces not supporting 2981 (like Rarible)
    /// @param registry registry to check id of
    /// @param tokenId token to check
    /// @return recipient and basisPoint for this tokenId
    function royaltyInfo(address registry, uint256 tokenId)
        external
        view
        returns (address recipient, uint256 basisPoint);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import './NFT/IERC721Slim.sol';

/// @title INiftyForge721Slim
/// @author Simon Fremaux (@dievardump)
interface INiftyForge721Slim is IERC721Slim {
    /// @notice this is the constructor of the contract, called at the time of creation
    ///         Although it uses what are called upgradeable contracts, this is only to
    ///         be able to make deployment cheap using a Proxy but NiftyForge contracts
    ///         ARE NOT UPGRADEABLE => the proxy used is not an upgradeable proxy, the implementation is immutable
    /// @param name_ name of the contract (see ERC721)
    /// @param symbol_ symbol of the contract (see ERC721)
    /// @param contractURI_ The contract URI (containing its metadata) - can be empty ""
    /// @param baseURI_ the contract baseURI (if there is)  - can be empty ""
    /// @param owner_ Address to whom transfer ownership
    /// @param minter_ The address that has the right to mint on this contract
    /// @param contractRoyaltiesRecipient the recipient, if the contract has "contract wide royalties"
    /// @param contractRoyaltiesValue the value, modules to add / enable directly at creation
    function initialize(
        string memory name_,
        string memory symbol_,
        string memory contractURI_,
        string memory baseURI_,
        address owner_,
        address minter_,
        address contractRoyaltiesRecipient,
        uint256 contractRoyaltiesValue
    ) external;

    /// @notice getter for the version of the implementation
    /// @return the current implementation version following the scheme 0x[erc][type][version]
    /// erc: 00 => ERC721 | 01 => ERC1155
    /// type: 00 => full | 01 => slim
    /// version: 00, 01, 02, 03...
    function version() external view returns (bytes3);

    /// @notice the module/address that can mint on this contract (if address(0) then owner())
    function minter() external view returns (address);

    /// @notice how many tokens exists
    function totalSupply() external view returns (uint256);

    /// @notice how many tokens have been minted
    function minted() external view returns (uint256);

    /// @notice maximum tokens that can be created on this contract
    function maxSupply() external view returns (uint256);

    /// @notice Mint one token to `to`
    /// @param to the recipient
    /// @return tokenId the tokenId minted
    function mint(address to) external returns (uint256 tokenId);

    /// @notice Mint one token to `to` and transfers to `transferTo`
    /// @param to the first recipient
    /// @param transferTo the end recipient
    /// @return tokenId the tokenId minted
    function mint(address to, address transferTo)
        external
        returns (uint256 tokenId);

    /// @notice Mint `count` tokens to `to`
    /// @param to array of address of recipients
    /// @return startId and endId
    function mintBatch(address to, uint256 count)
        external
        returns (uint256 startId, uint256 endId);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

interface IRaribleSecondarySales {
    /// @notice returns a list of royalties recipients
    /// @param tokenId the token Id to check for
    /// @return all the recipients for tokenId
    function getFeeRecipients(uint256 tokenId)
        external
        view
        returns (address payable[] memory);

    /// @notice returns a list of royalties amounts
    /// @param tokenId the token Id to check for
    /// @return all the amounts for tokenId
    function getFeeBps(uint256 tokenId)
        external
        view
        returns (uint256[] memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

/// @title NFBaseModuleSlim
/// @author Simon Fremaux (@dievardump)
contract NFBaseModuleSlim is ERC165 {
    event NewContractURI(string contractURI);

    string private _contractURI;

    constructor(string memory contractURI_) {
        _setContractURI(contractURI_);
    }

    function contractURI() external view virtual returns (string memory) {
        return _contractURI;
    }

    function _setContractURI(string memory contractURI_) internal {
        _contractURI = contractURI_;
        emit NewContractURI(contractURI_);
    }
}

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

pragma solidity ^0.8.0;

import "../utils/Context.sol";

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

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

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

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

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

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

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

import "./utils/Bytecode.sol";

/**
  @title A key-value storage with auto-generated keys for storing chunks of data with a lower write & read cost.
  @author Agustin Aguilar <aa@horizon.io>

  Readme: https://github.com/0xsequence/sstore2#readme
*/
library SSTORE2 {
  error WriteError();

  /**
    @notice Stores `_data` and returns `pointer` as key for later retrieval
    @dev The pointer is a contract address with `_data` as code
    @param _data to be written
    @return pointer Pointer to the written `_data`
  */
  function write(bytes memory _data) internal returns (address pointer) {
    // Append 00 to _data so contract can't be called
    // Build init code
    bytes memory code = Bytecode.creationCodeFor(
      abi.encodePacked(
        hex'00',
        _data
      )
    );

    // Deploy contract using create
    assembly { pointer := create(0, add(code, 32), mload(code)) }

    // Address MUST be non-zero
    if (pointer == address(0)) revert WriteError();
  }

  /**
    @notice Reads the contents of the `_pointer` code as data, skips the first byte 
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @return data read from `_pointer` contract
  */
  function read(address _pointer) internal view returns (bytes memory) {
    return Bytecode.codeAt(_pointer, 1, type(uint256).max);
  }

  /**
    @notice Reads the contents of the `_pointer` code as data, skips the first byte 
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @param _start number of bytes to skip
    @return data read from `_pointer` contract
  */
  function read(address _pointer, uint256 _start) internal view returns (bytes memory) {
    return Bytecode.codeAt(_pointer, _start + 1, type(uint256).max);
  }

  /**
    @notice Reads the contents of the `_pointer` code as data, skips the first byte 
    @dev The function is intended for reading pointers generated by `write`
    @param _pointer to be read
    @param _start number of bytes to skip
    @param _end index before which to end extraction
    @return data read from `_pointer` contract
  */
  function read(address _pointer, uint256 _start, uint256 _end) internal view returns (bytes memory) {
    return Bytecode.codeAt(_pointer, _start + 1, _end + 1);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';

import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';

import '@0xdievardump/niftyforge/contracts/Modules/NFBaseModuleSlim.sol';
import '@0xdievardump/niftyforge/contracts/Modules/INFModuleTokenURI.sol';
import '@0xdievardump/niftyforge/contracts/Modules/INFModuleWithRoyalties.sol';
import '@0xdievardump/niftyforge/contracts/INiftyForge721Slim.sol';

import '@0xsequence/sstore2/contracts/SSTORE2.sol';

import './utils/Base64.sol';
import './SmartbagsUtils.sol';

interface IRenderer {
    function render(
        address contractAddress,
        string memory tokenNumber,
        string memory name,
        SmartbagsUtils.Color memory color,
        bytes memory texture,
        bytes memory fonts
    ) external pure returns (string memory);
}

interface IBagOpener {
    function open(
        uint256 tokenId,
        address owner,
        address operator,
        address contractAddress
    ) external;

    function render(uint256 tokenId, address contractAddress)
        external
        view
        returns (string memory);
}

/// @title Smartbags
/// @author @dievardump
contract Smartbags is
    Ownable,
    NFBaseModuleSlim,
    INFModuleTokenURI,
    INFModuleWithRoyalties,
    ReentrancyGuard
{
    using Strings for uint256;
    using SafeERC20 for IERC20;

    event BagsOpened(address operator, uint256[] tokenIds);

    error ShopIsClosed();
    error NoCanDo();
    error AlreadyMinted();
    error OutOfJpegs();

    error TooEarly();
    error AlreadyOpened();

    error ContractLocked();
    error NotAuthorized();

    error NotMinted();
    error OnlyContracts();

    error OnlyAsh();

    error WrongValue(uint256 expected, uint256 received);

    struct Payment {
        address token;
        uint96 unitPrice;
    }

    /// @notice the contract to open the bags
    address public bagOpener;

    /// @notice if public can start  minting bags
    bool public collectActive;

    /// @notice contains pointers to where the files are saved
    /// 0 => first half of texture
    /// 1 => second half of texture
    /// 2 => fonts
    // Given my thoughts on saving files like this on-chain, you can consider this
    // as me officially selling my Soul to Nahiko.
    mapping(uint256 => address) public files;

    /// @notice if updates to this contract (renderer etc...) are locked or not.
    bool public locked;

    /// @notice contract on which nfts are created
    address public nftContract;

    /// @notice if the bag has been opened.
    mapping(uint256 => bool) public openedBags;

    /// @notice the payment token.
    Payment public payment;

    /// @notice allows to update the base renderer (just for the image)
    address public renderer;

    /// @notice token contract for each NFT
    mapping(uint256 => address) public tokenToContract;

    /// @notice token id for each contract minted
    mapping(address => uint256) public contractToToken;

    constructor(
        address renderer_,
        string memory moduleURI,
        Payment memory payment_,
        bool activateCollect,
        address owner_
    ) NFBaseModuleSlim(moduleURI) {
        renderer = renderer_;

        payment = payment_;

        collectActive = activateCollect;

        if (owner_ != address(0)) {
            transferOwnership(owner_);
        }
    }

    ////////////////////////////////////////////////////
    ///// Module                                      //
    ////////////////////////////////////////////////////

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

    /// @inheritdoc	INFModuleTokenURI
    function tokenURI(address, uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        address contractAddress = tokenToContract[tokenId];
        if (address(0) == contractAddress) revert NotMinted();

        // if bag is opened, rendering not managed here.
        return
            openedBags[tokenId]
                ? IBagOpener(bagOpener).render(tokenId, contractAddress)
                : _render(tokenId, contractAddress);
    }

    /// @inheritdoc	INFModuleWithRoyalties
    function royaltyInfo(address, uint256)
        public
        view
        override
        returns (address receiver, uint256 basisPoint)
    {
        return (owner(), 420);
    }

    ////////////////////////////////////////////////////
    ///// Getters / Views                             //
    ////////////////////////////////////////////////////

    /// @notice returns the json for the bag with some metadata
    /// @param contractAddress the contract address
    /// @param tokenNumber the token number (4 characters string)
    /// @return uri the data uri for the nft
    /// @return name the name of the contract
    /// @return color the color of the bag
    /// @return minted if the contract has already been minted or not
    function renderWithData(address contractAddress, string memory tokenNumber)
        public
        view
        returns (
            string memory uri,
            string memory name,
            SmartbagsUtils.Color memory color,
            bool minted
        )
    {
        // if the contract is minted
        minted = isMinted(contractAddress);

        // get color from contract address
        color = SmartbagsUtils.getColor(contractAddress);

        // get contract name
        name = SmartbagsUtils.getName(contractAddress);

        // and the json.
        uri = IRenderer(renderer).render(
            contractAddress,
            tokenNumber,
            name,
            color,
            abi.encodePacked(SSTORE2.read(files[0]), SSTORE2.read(files[1])),
            SSTORE2.read(files[2])
        );
    }

    /// @notice Helper to know if a contract has been minted
    /// @return if the contract has been minted
    function isMinted(address contractAddress) public view returns (bool) {
        // some contracts are sacred.
        if (
            contractAddress ==
            address(0x21BEf5412E69cDcDA1B258c0E7C0b9db589083C3)
        ) {
            return true;
        }

        // we are forced to use both values because we start tokenIds at 0
        // therefore contractToToken will always return 0 for unminted contracts
        // I really feel like I can't say no to Nahiko.
        uint256 tokenId = contractToToken[contractAddress];
        address tokenContract = tokenToContract[tokenId];

        return tokenContract == contractAddress;
    }

    ////////////////////////////////////////////////////
    ///// Collectors                                  //
    ////////////////////////////////////////////////////

    /// @notice allows to collect a smartbag
    /// @param contractAddress the smart contract address to bag
    function collect(address contractAddress) public nonReentrant {
        if (!collectActive) {
            revert ShopIsClosed();
        }

        _proceedPayment(1);
        _collect(contractAddress);
    }

    /// @notice allows to collect several smartbags
    /// @param contractAddresses the smart contract addresses to bag
    function collectBatch(address[] calldata contractAddresses)
        public
        nonReentrant
    {
        if (!collectActive) {
            revert ShopIsClosed();
        }

        uint256 length = contractAddresses.length;
        _proceedPayment(length);
        for (uint256 i; i < length; i++) {
            _collect(contractAddresses[i]);
        }
    }

    /// @notice Allows holders to open their bag(s)
    /// @param tokenIds the list of token ids to open
    function openBags(uint256[] calldata tokenIds) external {
        address bagOpener_ = bagOpener;

        if (address(0) == bagOpener_) {
            revert TooEarly();
        }

        uint256 tokenId;
        address ownerOf;
        uint256 length = tokenIds.length;
        address nftContract_ = nftContract;
        for (uint256 i; i < length; i++) {
            tokenId = tokenIds[i];

            if (openedBags[tokenId]) {
                revert AlreadyOpened();
            }

            // owner or approvedForAll only
            ownerOf = IERC721(nftContract_).ownerOf(tokenId);
            if (
                msg.sender != ownerOf &&
                !IERC721(nftContract_).isApprovedForAll(ownerOf, msg.sender)
            ) {
                revert NotAuthorized();
            }

            openedBags[tokenId] = true;

            IBagOpener(bagOpener_).open(
                tokenId,
                ownerOf,
                msg.sender,
                tokenToContract[tokenId]
            );
        }

        emit BagsOpened(msg.sender, tokenIds);
    }

    ////////////////////////////////////////////////////
    ///// Contract Owner                              //
    ////////////////////////////////////////////////////

    /// @notice withdraws "token", just in case.
    function withdraw(address token) external onlyOwner {
        IERC20(token).safeTransfer(
            msg.sender,
            IERC20(token).balanceOf(address(this))
        );
    }

    /// @notice locks changes in contract uri, renderer etc...
    function lock() external onlyOwner {
        locked = true;
    }

    /// @notice sets contract uri
    /// @param newURI the new uri
    function setContractURI(string memory newURI) external onlyOwner {
        if (locked) revert ContractLocked();
        _setContractURI(newURI);
    }

    /// @notice Allows owner to change the renderer (in case there is some error in the current)
    ///         only works if the contract hasn't been locked for changes
    /// @param newRenderer the new renderer address
    function setRenderer(address newRenderer) external onlyOwner {
        if (locked) revert ContractLocked();
        renderer = newRenderer;
    }

    /// @notice Allows owner to set the nftContract
    /// @param newNFTContract the new renderer address
    function setNFTContract(address newNFTContract) external onlyOwner {
        if (locked) revert ContractLocked();
        nftContract = newNFTContract;
    }

    /// @notice Allows owner to set the payment method
    /// @param newPayment the new payment method
    function setPayment(Payment calldata newPayment) external onlyOwner {
        if (locked) revert ContractLocked();
        payment = newPayment;
    }

    /// @notice Allows owner to set the payment method
    /// @param bagOpener_ the bag opener contract
    function allowOpening(address bagOpener_) external onlyOwner {
        if (locked) revert ContractLocked();
        bagOpener = bagOpener_;
    }

    /// @notice Allows owner to open / close minting
    /// @param activateCollect the new state
    function setCollectActive(bool activateCollect) external onlyOwner {
        collectActive = activateCollect;
    }

    /// @notice saves a file
    function saveFile(uint256 index, string calldata fileContent)
        external
        onlyOwner
    {
        files[index] = SSTORE2.write(bytes(fileContent));
    }

    ////////////////////////////////////////////////////
    ///// Internal                                    //
    ////////////////////////////////////////////////////

    /// @dev returns the json for the bag
    /// @param tokenId the token id for this bag
    /// @param contractAddress the contract address
    /// @return uri the data uri for the nft
    function _render(uint256 tokenId, address contractAddress)
        internal
        view
        returns (string memory uri)
    {
        (uri, , , ) = renderWithData(
            contractAddress,
            SmartbagsUtils.tokenNumber(tokenId)
        );
    }

    /// @dev proceeds the payment for `pieces` items
    function _proceedPayment(uint256 pieces) internal {
        Payment memory _payment = payment;
        if (address(0) == _payment.token) {
            if (msg.value != uint256(_payment.unitPrice) * pieces) {
                revert WrongValue({
                    expected: _payment.unitPrice,
                    received: msg.value
                });
            }
        } else {
            if (msg.value != 0) revert OnlyAsh();
            IERC20(_payment.token).safeTransferFrom(
                msg.sender,
                owner(),
                uint256(_payment.unitPrice) * pieces
            );
        }
    }

    function _collect(address contractAddress) internal {
        if (
            contractAddress ==
            address(0x21BEf5412E69cDcDA1B258c0E7C0b9db589083C3)
        ) {
            revert NoCanDo();
        }
        if (!Address.isContract(contractAddress)) revert OnlyContracts();
        if (isMinted(contractAddress)) revert AlreadyMinted();

        _mint(contractAddress);
    }

    function _mint(address contractAddress) internal {
        uint256 tokenId = INiftyForge721Slim(nftContract).mint(msg.sender);
        tokenToContract[tokenId] = contractAddress;
        contractToToken[contractAddress] = tokenId;
    }
}

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

import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';

library SmartbagsUtils {
    using Strings for uint256;

    struct Color {
        string name;
        string color;
    }

    function getColor(address contractAddress)
        internal
        pure
        returns (Color memory)
    {
        uint256 colorSeed = uint256(uint160(contractAddress));

        return
            [
                Color({color: '#fc6f03', name: 'orange'}),
                Color({color: '#ff0000', name: 'red'}),
                Color({color: '#ffb700', name: 'gold'}),
                Color({color: '#ffe600', name: 'yellow'}),
                Color({color: '#fbff00', name: 'light green'}),
                Color({color: '#a6ff00', name: 'green'}),
                Color({color: '#dee060', name: 'pastel green'}),
                Color({color: '#f28b85', name: 'salmon'}),
                Color({color: '#48b007', name: 'forest green'}),
                Color({color: '#00ff55', name: 'turquoise green'}),
                Color({color: '#b4ff05', name: 'flashy Green'}),
                Color({color: '#61c984', name: 'alguae'}),
                Color({color: '#00ff99', name: 'turquoise'}),
                Color({color: '#00ffc3', name: 'flashy blue'}),
                Color({color: '#00fff2', name: 'light blue'}),
                Color({color: '#009c94', name: 'aqua blue'}),
                Color({color: '#0363ff', name: 'deep blue'}),
                Color({color: '#3636c2', name: 'blurple'}),
                Color({color: '#5d00ff', name: 'purple'}),
                Color({color: '#ff4ff9', name: 'pink'}),
                Color({color: '#fc0065', name: 'redPink'}),
                Color({color: '#ffffff', name: 'white'}),
                Color({color: '#c95136', name: 'copper'}),
                Color({color: '#c5c8c9', name: 'silver'})
            ][colorSeed % 24];
    }

    function getName(address contractAddress)
        internal
        view
        returns (string memory)
    {
        // get name from contract if possible
        try IERC721Metadata(contractAddress).name() returns (
            string memory name
        ) {
            // uppercase the name, and remove any non AZ09 characters
            bytes memory strBytes = bytes(name);
            bytes memory sanitized = new bytes(strBytes.length);
            uint8 charCode;
            bytes1 char;
            for (uint256 i; i < strBytes.length; i++) {
                char = strBytes[i];
                charCode = uint8(char);

                if (
                    // ! " # $ %
                    (charCode >= 33 && charCode <= 37) ||
                    // ' ( ) * + - . /
                    (charCode >= 39 && charCode <= 47) ||
                    // 0-9
                    (charCode >= 48 && charCode <= 57) ||
                    // A - Z
                    (charCode >= 65 && charCode <= 90)
                ) {
                    sanitized[i] = char;
                } else if (charCode >= 97 && charCode <= 122) {
                    // if a-z, use uppercase
                    sanitized[i] = bytes1(charCode - 32);
                } else {
                    // for all others, use a space
                    sanitized[i] = 0x32;
                }
            }

            if (sanitized.length > 0) {
                return string(sanitized);
            }
        } catch Error(string memory) {} catch (bytes memory) {}
        return uint256(uint160(contractAddress)).toHexString(20);
    }

    function tokenNumber(uint256 tokenId)
        internal
        pure
        returns (string memory)
    {
        bytes memory tokenStr = bytes(tokenId.toString());
        bytes memory fixedTokenStr = new bytes(4);
        fixedTokenStr[0] = 0x30;
        fixedTokenStr[1] = 0x30;
        fixedTokenStr[2] = 0x30;
        fixedTokenStr[3] = 0x30;

        uint256 it;
        for (uint256 i = tokenStr.length; i > 0; i--) {
            fixedTokenStr[3 - it] = tokenStr[i - 1];
            it++;
        }

        return string(fixedTokenStr);
    }

    function renderContract(address _addr, uint256 length)
        internal
        view
        returns (bytes memory)
    {
        // get contract full size
        uint256 maxSize;
        assembly {
            maxSize := extcodesize(_addr)
        }

        uint256 offset = maxSize > length
            ? (maxSize - length) % uint256(uint160(_addr))
            : 0;

        bytes memory code = getContractBytecode(
            _addr,
            offset,
            maxSize < length ? maxSize : length
        );

        if (maxSize < length) {
            uint256 toFill = length - maxSize;
            uint256 length = toFill / 2;

            bytes memory filler = new bytes(length);
            for (uint256 i; i < length; i++) {
                filler[i] = 0xff;
            }

            return abi.encodePacked(filler, code, filler);
        }

        return code;
    }

    function getContractBytecode(
        address _addr,
        uint256 start,
        uint256 length
    ) internal view returns (bytes memory o_code) {
        assembly {
            // allocate output byte array - this could also be done without assembly
            // by using o_code = new bytes(size)
            o_code := mload(0x40)
            // new "memory end" including padding
            mstore(
                0x40,
                add(o_code, and(add(add(length, 0x20), 0x1f), not(0x1f)))
            )
            // store length in memory
            mstore(o_code, length)
            // actually retrieve the code, this needs assembly
            extcodecopy(_addr, add(o_code, 0x20), start, length)
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

{
  "compilationTarget": {
    "contracts/Smartbags.sol": "Smartbags"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}