Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.19;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/Counters.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract zeroXirezumi is ERC721, Ownable {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

    // Mapping from token ID to token URI
    mapping(uint256 => string) private _customTokenURIs;

    // Base URI
    string private _baseTokenURI;

    constructor(string memory baseTokenURI) ERC721("zeroXirezumi", "ZXI") {
        _baseTokenURI = baseTokenURI;
    }

    function mintNFT(address recipient, string memory uri) public onlyOwner returns (uint256) {
        _tokenIds.increment();
        uint256 newItemId = _tokenIds.current();
        _mint(recipient, newItemId);
        _setTokenURI(newItemId, uri);
        return newItemId;
    }

    function mintBatchNFT(address[] memory recipients, string[] memory uris) public onlyOwner {
        require(recipients.length == uris.length, "Mismatch between recipients and URIs");

        for (uint256 i = 0; i < recipients.length; i++) {
            mintNFT(recipients[i], uris[i]);
        }
    }

    function _setTokenURI(uint256 tokenId, string memory uri) internal virtual {
        _customTokenURIs[tokenId] = uri;
    }

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        return string(abi.encodePacked(_baseTokenURI, _customTokenURIs[tokenId]));
    }

    function setBaseURI(string memory baseTokenURI) external onlyOwner {
        _baseTokenURI = baseTokenURI;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        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 (last updated v4.9.0) (token/ERC721/ERC721.sol)

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: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _ownerOf(tokenId);
        require(owner != address(0), "ERC721: invalid token ID");
        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) {
        _requireMinted(tokenId);

        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 overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual 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 token owner or approved for all"
        );

        _approve(to, tokenId);
    }

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

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @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 _ownerOf(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) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1);

        // Check that tokenId was not minted by `_beforeTokenTransfer` hook
        require(!_exists(tokenId), "ERC721: token already minted");

        unchecked {
            // Will not overflow unless all 2**256 token ids are minted to the same owner.
            // Given that tokens are minted one by one, it is impossible in practice that
            // this ever happens. Might change if we allow batch minting.
            // The ERC fails to describe this case.
            _balances[to] += 1;
        }

        _owners[tokenId] = to;

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

        _afterTokenTransfer(address(0), to, tokenId, 1);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId, 1);

        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
        owner = ERC721.ownerOf(tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        unchecked {
            // Cannot overflow, as that would require more tokens to be burned/transferred
            // out than the owner initially received through minting and transferring in.
            _balances[owner] -= 1;
        }
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);

        _afterTokenTransfer(owner, address(0), tokenId, 1);
    }

    /**
     * @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 from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId, 1);

        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");

        // Clear approvals from the previous owner
        delete _tokenApprovals[tokenId];

        unchecked {
            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
            // `from`'s balance is the number of token held, which is at least one before the current
            // transfer.
            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
            // all 2**256 token ids to be minted, which in practice is impossible.
            _balances[from] -= 1;
            _balances[to] += 1;
        }
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId, 1);
    }

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

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits an {ApprovalForAll} event.
     */
    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @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.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
     * - When `from` is zero, the tokens will be minted for `to`.
     * - When `to` is zero, ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}

    /**
     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
     * - When `from` is zero, the tokens were minted for `to`.
     * - When `to` is zero, ``from``'s tokens were burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}

    /**
     * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override.
     *
     * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant
     * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such
     * that `ownerOf(tokenId)` is `a`.
     */
    // solhint-disable-next-line func-name-mixedcase
    function __unsafe_increaseBalance(address account, uint256 amount) internal {
        _balances[account] += amount;
    }
}

// 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
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the 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 have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * 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://consensys.net/diligence/blog/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/v0.8.0/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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// 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/Counters.sol)

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// 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 (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

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

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

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

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

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

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

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

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

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

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

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

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"baseTokenURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"string[]","name":"uris","type":"string[]"}],"name":"mintBatchNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"string","name":"uri","type":"string"}],"name":"mintNFT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseTokenURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001e68747470733a2f2f697066732e66696c65626173652e696f2f697066732f0000

-----Decoded View---------------
Arg [0] : baseTokenURI (string): https://ipfs.filebase.io/ipfs/

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 000000000000000000000000000000000000000000000000000000000000001e
Arg [2] : 68747470733a2f2f697066732e66696c65626173652e696f2f697066732f0000