// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT

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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @openzeppelin/contracts/token/ERC721/ERC721.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

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

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

    /**
     * @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 override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

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

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

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        require(operator != _msgSender(), "ERC721: approve to caller");

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

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @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.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - 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,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * 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 virtual {
        _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);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @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 virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), 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 virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

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

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver(to).onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol



// SPDX-License-Identifier: MIT

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;
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// File: @openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol



// SPDX-License-Identifier: MIT

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);
}

// File: @openzeppelin/contracts/utils/Address.sol



// SPDX-License-Identifier: MIT

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);
    }

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private 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);
            }
        }
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT

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;
    }
}

// File: @openzeppelin/contracts/utils/Strings.sol



// SPDX-License-Identifier: MIT

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);
    }
}

// File: @openzeppelin/contracts/utils/introspection/ERC165.sol



// SPDX-License-Identifier: MIT

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;
    }
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol



// SPDX-License-Identifier: MIT

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);
}

// File: /contracts/I90Archive.sol



// SPDX-License-Identifier: MIT

pragma solidity 0.8.7;

interface I90Archive {
    function ownerOf(uint256 tokenId) external view returns (address);
    function balanceOf(address owner) external view returns (uint256);
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
}
// File: /contracts/The90sArchives.sol



// SPDX-License-Identifier: MIT

pragma solidity 0.8.7;

//
//╭━━━┳━━━╮╱╱╭━━━╮╱╱╱╱╭╮
//┃╭━╮┃╭━╮┃╱╱┃╭━╮┃╱╱╱╱┃┃
//┃╰━╯┃┃┃┃┣━━┫┃╱┃┣━┳━━┫╰━┳┳╮╭┳━━┳━━╮
//╰━━╮┃┃┃┃┃━━┫╰━╯┃╭┫╭━┫╭╮┣┫╰╯┃┃━┫━━┫
//╭━━╯┃╰━╯┣━━┃╭━╮┃┃┃╰━┫┃┃┃┣╮╭┫┃━╋━━┃
//╰━━━┻━━━┻━━┻╯╱╰┻╯╰━━┻╯╰┻╯╰╯╰━━┻━━╯
//

import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "./I90Archive.sol";

contract The90sArchives is ERC721Enumerable, Ownable {


    struct The90sArchivesStruct {
        uint256 bg;
        uint256 skin;
        uint256 mouth;
        uint256 cloth1;
        uint256 cloth2;
        uint256 cloth3;
        uint256 hair;
        uint256 eyes;
        uint256 ear1;
        uint256 ear2;
        uint256 headwear;
        uint256 headgear;
        uint256 extra;
    }

    struct The90sArchiveParts {
        address owner;
        uint256 partInTheBody;
    }

    // ManagerInterface public manager;
    using Strings for uint256;

    /// @dev Emitted when {startPreSale} is executed and the presale isn't on.
    event PreSaleStarted();
    /// @dev Emitted when {startSale} is executed and the sale isn't on.
    event SaleStarted();
    /// @dev Emitted when {pauseSale} is executed and the sale is on.
    event SalePaused();
    /// @dev Emitted when {SetPresaleWhitelist} is executed and the sale is on.
    event SetPresaleWhitelist();
    /// @dev Emitted when {SetSpecialWhitelist} is executed and the sale is on.
    event SetSpecialWhitelist();
    /// @dev Emitted when {SetTargetNFTWhitelist} is executed and the sale is on.
    event SetTargetNFTWhitelist();
    /// @dev Emitted when {SetPriorityNFTWhitelist} is executed and the sale is on.
    event SetPriorityNFTWhitelist();
    /// @dev Emitted when {SetOGNFTWhitelistLimit} is executed and the sale is on.
    event SetOGNFTWhitelistLimit();
    /// @dev Emitted when {startSale} is executed for the first time.
    event ClaimsReserveUpdated(uint256 indexed reserve);
    /// @dev Emitted when a The90s token is claimed based on a Rat held
    event ArchiveClaimed(uint256 indexed ratId, uint256 indexed goodGuyId);
    /// @dev Emitted when {reveal} is executed.
    event Reveal(uint256 indexed startingIndex);
    /// @dev Emitted when {setTokenURI} is executed.
    event TokenURISet(string indexed tokenUri);
    /// @dev Emitted when {lockTokenURI} is executed (once-only).
    event TokenURILocked(string indexed tokenUri);
    /// @dev Emitted when owners of deadbod parts have been set.
    event SetArchivePartsOwner();
    /// @dev Emitted when the reserved 90s archieves have been minted
    event MintReserveArchives();
    /// @dev Emitted when the influencer 90s archieves have been minted
    event MintInfluencerArchives();
    /// @dev Emitted when the public 90s archieves have been minted
    event MintPublicArchives();

    IERC721 public BAYC = IERC721(0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D);
    string public The90sArchives_PROVENANCE = "";
    bool private onTransfer = true;
    uint256 public constant MAX_The90s_SUPPLY = 9090;
    uint256 public PUBLIC_CAP = 5000;
    uint256 public The90s_PACK_LIMIT = 10;
    uint256 public The90s_PRICE = 6 ether / 100;
    uint256 public The90s_PRICE_PRESALE = 4 ether / 100;
    uint256 private constant CLAIM_PERIOD_DURATION = 1 weeks;
    string private constant PLACEHOLDER_SUFFIX = "";
    string private constant METADATA_INFIX = "metadata/";

    uint256 public startingIndex = 300;
    uint256 public remainIndex = 0;
    // uint256[] public remainArchive;
    bool public preSaleStarted;
    bool public saleStarted;
    uint256 public saleStartedAt;
    bool public tokenURILocked;
    mapping (address => bool) public preSaleWhitelist;
    mapping (address => bool) public specialWhitelist;
    mapping (uint256 => address) public targetNFTWhitelist; //Obsoleted
    mapping (uint256 => address) public priorityNFTWhitelist; //Obsoleted
    mapping (address => uint256) public OGNFTWhitelistLimit;
    mapping(uint256 => The90sArchivesStruct) public deadbod;
    mapping(uint256 => The90sArchiveParts) public deadpart;

    // current metadata base prefix
    string private _baseTokenUri;

    // prevent callers from sending ETH directly
    receive() external payable {
        revert();
    }

    // prevent callers from sending ETH directly
    fallback() external payable {
        revert();
    }

    constructor() ERC721("The90sArchives", "DeadBod") {
    }

    // ----- PUBLIC -----
    // ------------------
     /*     
    * Set provenance once it's calculated
    */
    function setProvenanceHash(string memory provenanceHash) public onlyOwner {
        The90sArchives_PROVENANCE = provenanceHash;
    }

    function setCollabContract(address _addr) public onlyOwner {
        BAYC = IERC721(_addr);
    }

    function checkCollabBalance() public view returns(uint256) {
        return BAYC.balanceOf(msg.sender);
    }

    function setStartIndexPublicSale(uint256 index) public onlyOwner {
        startingIndex = index;
        emit Reveal(startingIndex);
    }

    function setPublicCapRound(uint256 cap) public onlyOwner {
        PUBLIC_CAP = cap;
    }

    function setArchivesPrice(uint256 price) public onlyOwner {
        The90s_PRICE = (price * 1 ether ) / 100;
    }

    function setPackLimit(uint256 limit) public onlyOwner {
        The90s_PACK_LIMIT = limit;
    }

    function startPreSale() public onlyOwner {
        // will also restart when on pause
        if (!preSaleStarted) {
            preSaleStarted = true;
            emit PreSaleStarted();
        }
    }

    function setTransfer(bool tran) public onlyOwner {
        onTransfer = tran;
    }

    function setArchivePartsOwner(uint256[] memory partIDs, address[] memory _owner, uint256[] memory bodySection) public onlyOwner {
        require(partIDs.length == _owner.length, "Number of body parts and owners must be equal");
        require(partIDs.length == bodySection.length, "Number of body parts and bodySection must be equal");
        for (uint256 i = 0; i < partIDs.length; i++) {
            deadpart[partIDs[i]] = The90sArchiveParts({
                owner : _owner[i],
                partInTheBody : bodySection[i]
            });
        }
    }

    function preSetTraitNFTs(uint256[] memory tokenIDs, uint256[] memory archiveTraits) public onlyOwner {
        require(tokenIDs.length * 10 == archiveTraits.length, "Number of traits must equal to number of tokens*attr");

        uint256 j = 0;
        for (uint256 i = 0; i < tokenIDs.length; i++) {
            deadbod[tokenIDs[i]] = The90sArchivesStruct({
                    bg : archiveTraits[j],
                    skin : archiveTraits[j+1],
                    mouth : archiveTraits[j+2],
                    cloth1 : archiveTraits[j+3],
                    cloth2 : archiveTraits[j+4],
                    cloth3 : archiveTraits[j+5],
                    hair : archiveTraits[j+6],
                    eyes : archiveTraits[j+7],
                    ear1 : archiveTraits[j+8],
                    ear2 : archiveTraits[j+9],
                    headwear : archiveTraits[j+10],
                    headgear : archiveTraits[j+11],
                    extra : archiveTraits[j+12]
                });
                j += 10;
        }
    }

    function pausePreSale() public onlyOwner {
        // will also restart when on pause
        if (preSaleStarted) {
            preSaleStarted = false;
        }
    }

    /*
     * @dev Start or restart distribution. Only callable by the owner.
     * On the first call,
     * - set claim reserve value (once-only)
     * - set sale start timestamp and emit {ClaimsReserveUpdated} (once-only)
     * - emit {SaleStarted}
     *
     * On subsequent calls,
     * - restart sale and emit {SaleStarted} if paused;
     *   otherwise, do nothing
     */
    function startSale() public onlyOwner {
        // will also restart when on pause
        if (!saleStarted) {
            saleStarted = true;
            emit SaleStarted();
        }
        // once-only: set timestamp and update reserve
        if (saleStartedAt == 0) {
            saleStartedAt = block.timestamp;
        }
    }

    /*
     * @dev If sale is on, pause it and emit {SalePaused}; otherwise, do nothing.
     *   Only callable by the owner.
     */
    function pauseSale() public onlyOwner {
        if (saleStarted) {
            saleStarted = false;
            emit SalePaused();
        }
    }

    function setPresaleWhitelist(address[] memory account, bool isAdd) external onlyOwner {
        for(uint256 i=0; i < account.length; i++) {
            preSaleWhitelist[account[i]] = isAdd;
        }

        emit SetPresaleWhitelist();
    }

    function setSpecialWhitelist(address[] memory account, bool isAdd) external onlyOwner {
        for(uint256 i=0; i < account.length; i++) {
            specialWhitelist[account[i]] = isAdd;
        }

        emit SetSpecialWhitelist();
    }

    //Obsoleted
    function setTargetNFTWhitelist(address[] memory account, uint256[] memory tokenId) external onlyOwner {
        require(account.length == tokenId.length, "No of accounts & tokens don't match");
        for(uint256 i=0; i < tokenId.length; i++) {
            targetNFTWhitelist[tokenId[i]] = account[i];
        }

        emit SetTargetNFTWhitelist();
    }

    //Obsoleted
    function setPriorityNFTWhitelist(address[] memory account, uint256[] memory tokenId) external onlyOwner {
        require(account.length == tokenId.length, "No of accounts & tokens don't match");
        for(uint256 i=0; i < tokenId.length; i++) {
            priorityNFTWhitelist[tokenId[i]] = account[i];
        }

        emit SetPriorityNFTWhitelist();
    }

    function setOGNFTWhitelistLimit(address[] memory account, uint256[] memory limit) external onlyOwner {
        require(account.length == limit.length, "No of accounts & tokens don't match");
        for(uint256 i=0; i < limit.length; i++) {
            OGNFTWhitelistLimit[account[i]] = limit[i];
        }

        emit SetOGNFTWhitelistLimit();
    }


    /**
     * @dev Mint `numberOfThe90ss` 90Archives.
     * - Will only mint up to (`MAX_The90s_SUPPLY` - `ratClaimsReserve`) 90Archives.
     * - Will mint up to `The90s_PACK_LIMIT` items at once.
     * - Will only mint after the sale is started.
     * - ETH sent must equal (`numberOfThe90ss` * `The90s_PRICE`)
     *
     * @param numberOfThe90s The number of 90Archives NFTs to mint.
     */
    function mintThe90sPreSale(uint256 numberOfThe90s) public payable returns (uint256[] memory){
        //Whitelisted
        if(preSaleStarted){
            require(preSaleWhitelist[msg.sender], "You are not in the private list");
        }else{
            _enforceSaleStarted();
        }
        require(startingIndex + totalSupply() <= MAX_The90s_SUPPLY, "Archieves sold out");
        require(balanceOf(msg.sender) + numberOfThe90s <= The90s_PACK_LIMIT + OGNFTWhitelistLimit[msg.sender], "Buy limit exceeded");
        require(numberOfThe90s > 0, "Need to mint at least one");
        require(The90s_PRICE_PRESALE * numberOfThe90s == msg.value, "Invalid ETH Amount");

        uint256[] memory resultIDs = new uint256[](numberOfThe90s);
        //Minting loop
        for (uint256 i = 0; i < numberOfThe90s; i++) {
            // require(!_exists(archiveIDs[i]), "ERC721: token already minted");
            // require(targetNFTWhitelist[archiveIDs[i]] == msg.sender, "This token is reserved by others");
            // _safeMint(msg.sender, archiveIDs[i]);
            uint256 tokenId = totalSupply() + startingIndex + 1;
            _safeMint(msg.sender, tokenId);
            resultIDs[i] = tokenId;
        }

        emit MintReserveArchives();
        return resultIDs;

    }

    /**
     * @dev Mint `numberOfThe90s` 90Archives.
     * - Will only mint up to (`MAX_The90s_SUPPLY` - `ratClaimsReserve`) 90Archives.
     * - Will mint up to `The90s_PACK_LIMIT` items at once.
     * - Will only mint after the sale is started.
     * - ETH sent must equal (`numberOfThe90ss` * `The90s_PRICE`)
     *
     * @param numberOfThe90s The number of 90Archives NFTs to mint.
     */
    function mintThe90sPublic(uint256 numberOfThe90s) public payable returns (uint256[] memory){
        _enforceSaleStarted();
        require(startingIndex + totalSupply() <= MAX_The90s_SUPPLY, "Archieves sold out");
        require(startingIndex + totalSupply() <= PUBLIC_CAP, "Archieves exceeded this round");
        require(numberOfThe90s <= The90s_PACK_LIMIT, "Buy limit exceeded");
        require(numberOfThe90s > 0, "Need to mint at least one");
        if(BAYC.balanceOf(msg.sender) > 0 || specialWhitelist[msg.sender]){
            require(The90s_PRICE_PRESALE * numberOfThe90s == msg.value, "Invalid ETH Amount");
        }
        else{
            require(The90s_PRICE * numberOfThe90s == msg.value, "Invalid ETH Amount Public");
        }

        uint256[] memory resultIDs = new uint256[](numberOfThe90s);
        for (uint256 i = 0; i < numberOfThe90s; i++) {
            //Mint the remaining from reserve first
            // if(remainArchive.length > 0 && remainIndex < remainArchive.length){
            //     _safeMint(msg.sender, remainArchive[remainIndex]);
            //     remainIndex++;
            // }else{
            //     //Public sale token number starts from startingIndex
            //     // _safeMint(msg.sender, startingIndex);
            //     _safeMint(msg.sender, totalSupply() + startingIndex + 1);
            //     _calculateStartingIndex();
            // }
            uint256 tokenId = totalSupply() + startingIndex + 1;
            _safeMint(msg.sender, tokenId);
            resultIDs[i] = tokenId;
        }

        emit MintPublicArchives();
        return resultIDs;

    }

    function mintThe90sOG(uint256 numberOfThe90s) public returns (uint256[] memory){
        //Whitelisted
        require(startingIndex + totalSupply() <= MAX_The90s_SUPPLY, "Archieves sold out");
        require(numberOfThe90s <= The90s_PACK_LIMIT, "Buy limit exceeded");
        require(numberOfThe90s > 0, "Need to mint at least one");
        require(numberOfThe90s <= OGNFTWhitelistLimit[msg.sender], "Mint limit exceeded");

        uint256[] memory resultIDs = new uint256[](numberOfThe90s);
        //Minting loop
        for (uint256 i = 0; i < numberOfThe90s; i++) {
            // require(!_exists(archiveIDs[i]), "ERC721: token already minted");
            // _safeMint(msg.sender, archiveIDs[i]);
            // _safeMint(msg.sender, totalSupply() + 1);
            uint256 tokenId = totalSupply() + startingIndex + 1;
            _safeMint(msg.sender, tokenId);
            OGNFTWhitelistLimit[msg.sender] = OGNFTWhitelistLimit[msg.sender] - 1;
            resultIDs[i] = tokenId;
        }

        emit MintInfluencerArchives();
        return resultIDs;

    }

    function mintThe90sAdmin(uint256[] memory archiveIDs, address[] memory receivers) public onlyOwner {
        require(totalSupply() <= MAX_The90s_SUPPLY, "Archieves sold out");
        require(archiveIDs.length > 0, "Need to mint at least one");
        require(archiveIDs.length == receivers.length, "Number of tokens and receivers must be equal");

        //Minting loop
        for (uint256 i = 0; i < archiveIDs.length; i++) {
            require(!_exists(archiveIDs[i]), "ERC721: token already minted");
            _safeMint(receivers[i], archiveIDs[i]);
        }

    }

    /**
     * @dev Change traits of the minted 90Archives NFT
     *
     * @param tokenId Token id of the 90Archives NFTs to be changed.
     * @param traits traits of the 90Archives deadbods.
     */
    function changeTraits(uint256 tokenId, uint256[] memory traits) public payable {
        _enforceSaleStarted();
        require(ownerOf(tokenId) == msg.sender , "Need to be the archive owner to change traits");
        //Add available traits conditions
        require(traits.length == 10, "Invalid number of traits");
            deadbod[tokenId] = The90sArchivesStruct({
                bg : traits[0],
                skin : traits[1],
                mouth : traits[2],
                cloth1 : traits[3],
                cloth2 : traits[4],
                cloth3 : traits[5],
                hair : traits[6],
                eyes : traits[7],
                ear1 : traits[8],
                ear2 : traits[9],
                headwear : traits[10],
                headgear : traits[11],
                extra : traits[12]
            });
    }

    /**
     * @dev Set base token URI. Only callable by the owner and only
     * if token URI hasn't been locked through {lockTokenURI}. Emit
     * TokenURISet with the new value on every successful execution.
     *
     * @param newUri The new base URI to use from this point on.
     */
    function setTokenURI(string memory newUri)
        public
        onlyOwner
        whenUriNotLocked
    {
        _baseTokenUri = newUri;
        emit TokenURISet(_baseTokenUri);
    }

    function withdraw() public onlyOwner returns (bool success) {
        payable(msg.sender).transfer(address(this).balance);
        return true;
    }

    /**
     * @dev Prior to execution of {reveal}, return the placeholder URI for
     * any token minted or claimed; after the execution of {reveal}, return
     * adjusted URIs based on `startingIndex` cyclic shift.
     *
     * @param tokenId Identity of an existing (minted) The90s NFT.
     */
    function tokenURI(uint256 tokenId)
        public
        view
        virtual
        override
        returns (string memory)
    {
        require(_exists(tokenId), "UnknownTokenId");

        string memory result = indexedTokenURI(tokenId);

        return result;
    }

    // ---- INTERNAL ----
    // ------------------

    function claimPeriodInProgress() internal view returns (bool) {
        return (block.timestamp <= (saleStartedAt + CLAIM_PERIOD_DURATION));
    }

    function _enforceSaleStarted() internal view {
        require(saleStarted, "SaleNotOn");
    }

    function _enforceClaimPeriod(bool on) internal view {
        if (on) {
            require(claimPeriodInProgress(), "ClaimPeriodHasEnded");
        } else {
            require(!claimPeriodInProgress(), "ClaimPeriodHasntEnded");
        }
    }

    function _calculateStartingIndex() internal {
        startingIndex++;
    }

    modifier whenUriNotLocked() {
        require(!tokenURILocked, "TokenURILockedErr");
        _;
    }

    function placeholderURI() internal view returns (string memory) {
        return
            string(
                abi.encodePacked(
                    _baseTokenUri,
                    METADATA_INFIX,
                    PLACEHOLDER_SUFFIX
                )
            );
    }

    function indexedTokenURI(uint256 tokenId)
        internal
        view
        returns (string memory)
    {
        return
            string(
                abi.encodePacked(
                    _baseTokenUri,
                    METADATA_INFIX,
                    tokenId.toString()
                    // ".json"
                )
            );
    }

    // function _transfer(
    //     address from,
    //     address to,
    //     uint256 tokenId
    // ) internal override {
    //     require(onTransfer, "Transfer not on" );
    //     super._transfer(from, to, tokenId);
    // }
}