Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

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

using Strings for uint256;

contract Mint is ERC721("Cosmic Echoes", "CNFTCOSM"), Ownable(msg.sender) {
    uint256 public maxSupply = 10_000;
    uint256 public mintPrice;

    string private _tokenUriPrefix;
    uint256 private _currentTokenId;

    event Minted(address indexed to, uint256 indexed tokenId);
    event MaxSupplyChanged(uint256 indexed newSupply);
    event MintPriceChanged(uint256 indexed newPrice);
    event TokenUriPrefixChanged(string indexed newPrefix);

    constructor(uint256 initialMintPrice, string memory tokenUriPrefix) {
        mintPrice = initialMintPrice;
        _tokenUriPrefix = tokenUriPrefix;
    }

    function withdraw() external onlyOwner {
        (bool success, ) = payable(msg.sender).call{value: address(this).balance}("");
        require(success, "Transfer failed");
    }

    function setMaxSupply(uint256 newMaxSupply) external onlyOwner {
        emit MaxSupplyChanged(newMaxSupply);

        maxSupply = newMaxSupply;
    }

    function setMintPrice(uint256 newPrice) external onlyOwner {
        emit MintPriceChanged(newPrice);

        mintPrice = newPrice;
    }

    function setTokenUriPrefix(string memory newPrefix) external onlyOwner {
        emit TokenUriPrefixChanged(newPrefix);

        _tokenUriPrefix = newPrefix;
    }

    function mint() external payable {
        require(_currentTokenId < maxSupply, "Max supply reached");
        require(msg.value == mintPrice, "Mismatch of funds");

        uint256 tokenId = _currentTokenId;

        unchecked {
            _currentTokenId = tokenId + 1;
        }

        emit Minted(msg.sender, tokenId);

        _safeMint(msg.sender, tokenId);
    }

    function tokenURI(uint256 tokenId) public view override returns (string memory) {
        return string.concat(_tokenUriPrefix, tokenId.toString());
    }

    function totalSupply() external view returns (uint256) {
        return _currentTokenId;
    }
}

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

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}

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

pragma solidity ^0.8.20;

import {IERC721} from "./IERC721.sol";
import {IERC721Receiver} from "./IERC721Receiver.sol";
import {IERC721Metadata} from "./extensions/IERC721Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {Strings} from "../../utils/Strings.sol";
import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol";
import {IERC721Errors} from "../../interfaces/draft-IERC6093.sol";

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    mapping(uint256 tokenId => address) private _owners;

    mapping(address owner => uint256) private _balances;

    mapping(uint256 tokenId => address) private _tokenApprovals;

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

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

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

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

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

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

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

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

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

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

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

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

        return _getApproved(tokenId);
    }

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

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

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

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

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual {
        transferFrom(from, to, tokenId);
        _checkOnERC721Received(from, to, tokenId, data);
    }

    /**
     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist
     *
     * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the
     * core ERC721 logic MUST be matched with the use of {_increaseBalance} to keep balances
     * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by
     * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`.
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

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

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

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

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

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

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

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

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

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

        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        return from;
    }

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

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

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {
        _mint(to, tokenId);
        _checkOnERC721Received(address(0), to, tokenId, data);
    }

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients
     * are aware of the ERC721 standard to prevent tokens from being forever locked.
     *
     * `data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is like {safeTransferFrom} in the sense that it invokes
     * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `tokenId` token must exist and be owned by `from`.
     * - `to` cannot be the zero address.
     * - `from` cannot be the zero address.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(address from, address to, uint256 tokenId) internal {
        _safeTransfer(from, to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {
        _transfer(from, to, tokenId);
        _checkOnERC721Received(from, to, tokenId, data);
    }

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

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

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

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

        _tokenApprovals[tokenId] = to;
    }

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

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

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target address. This will revert if the
     * recipient doesn't accept the token transfer. 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
     */
    function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory data) private {
        if (to.code.length > 0) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {
                if (retval != IERC721Receiver.onERC721Received.selector) {
                    revert ERC721InvalidReceiver(to);
                }
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert ERC721InvalidReceiver(to);
                } else {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        }
    }
}

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

pragma solidity ^0.8.20;

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

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

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

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

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

pragma solidity ^0.8.20;

import {IERC165} from "../../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 address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

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

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

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

pragma solidity ^0.8.20;

/**
 * @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 v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

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

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

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

pragma solidity ^0.8.20;

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

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement 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);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

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

pragma solidity ^0.8.20;

/**
 * @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 v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    enum Rounding {
        Floor, // Toward negative infinity
        Ceil, // Toward positive infinity
        Trunc, // Toward zero
        Expand // Away from zero
    }

    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

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

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

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

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

        // (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 = x * y; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

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

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

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

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

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

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

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

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

                // Flip twos such that it is 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 (unsignedRoundsUp(rounding) && 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
     * towards zero.
     *
     * 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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

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

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

    /**
     * @dev Return the log in base 256 of a positive value rounded towards zero.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

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

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

pragma solidity ^0.8.20;

/**
 * @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 v5.0.0) (utils/Strings.sol)

pragma solidity ^0.8.20;

import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";

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

    /**
     * @dev The `value` string doesn't fit in the specified `length`.
     */
    error StringsInsufficientHexLength(uint256 value, uint256 length);

    /**
     * @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), HEX_DIGITS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toStringSigned(int256 value) internal pure returns (string memory) {
        return string.concat(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) {
        uint256 localValue = value;
        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_DIGITS[localValue & 0xf];
            localValue >>= 4;
        }
        if (localValue != 0) {
            revert StringsInsufficientHexLength(value, length);
        }
        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 bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"initialMintPrice","type":"uint256"},{"internalType":"string","name":"tokenUriPrefix","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721IncorrectOwner","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721InsufficientApproval","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC721InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"ERC721InvalidOperator","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"ERC721InvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC721InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC721InvalidSender","type":"error"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ERC721NonexistentToken","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"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":"uint256","name":"newSupply","type":"uint256"}],"name":"MaxSupplyChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"MintPriceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Minted","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":"string","name":"newPrefix","type":"string"}],"name":"TokenUriPrefixChanged","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":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newPrice","type":"uint256"}],"name":"setMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newPrefix","type":"string"}],"name":"setTokenUriPrefix","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":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000000000000000000000000000000005af3107a40000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002868747470733a2f2f636f6e66742e6170702f6d696e74696e672f6c696e65612f6d61696e6e65742f000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialMintPrice (uint256): 100000000000000
Arg [1] : tokenUriPrefix (string): https://conft.app/minting/linea/mainnet/

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000005af3107a4000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000028
Arg [3] : 68747470733a2f2f636f6e66742e6170702f6d696e74696e672f6c696e65612f
Arg [4] : 6d61696e6e65742f000000000000000000000000000000000000000000000000