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: UNLICENSED
pragma solidity ^0.8.4;

import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "erc721a/contracts/ERC721A.sol";

error ErrorSaleNotStarted();
error ErrorInsufficientFund();
error ErrorExceedTransactionLimit();
error ErrorExceedMaxSupply();

contract StickManTown is ERC721A, Ownable {
    using Address for address payable;
    using ECDSA for bytes32;
    using Strings for uint256;

    uint32 public constant TX_LIMIT = 10;

    uint256 public immutable _mintPrice;
    uint32 public immutable _maxSupply;
    uint32 public immutable _freeSupply;

    uint32 public _totalFreeMinted;
    bool public _started;
    string public _metadataURI;

    constructor(
        uint256 mintPrice,
        uint32 maxSupply,
        uint32 freeSupply
    ) ERC721A("StickManTown", "SMT") {
        require(freeSupply <= maxSupply);

        _mintPrice = mintPrice;
        _maxSupply = maxSupply;
        _freeSupply = freeSupply;
    }

    function mint(uint32 amount) external payable {
        if (!_started) revert ErrorSaleNotStarted();

        if (amount + _totalMinted() > _maxSupply) revert ErrorExceedMaxSupply();
        if (amount > TX_LIMIT) revert ErrorExceedTransactionLimit();

        uint256 requiredValue = amount * _mintPrice;
        if (_getAux(msg.sender) == 0) {
            requiredValue -= _mintPrice;
            _setAux(msg.sender, 1);
        }

        if (requiredValue < msg.value) revert ErrorInsufficientFund();

        _safeMint(msg.sender, amount);
    }

    function _aux(address minter) external view returns (uint32) {
        return uint32(_getAux(minter));
    }

    function _minted() external view returns (uint256) {
        return ERC721A._totalMinted();
    }

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _metadataURI;
        return string(abi.encodePacked(baseURI, tokenId.toString(), ".json"));
    }


    function setStarted(bool started) external onlyOwner {
        _started = started;
    }

    function setMetadataURI(string memory uri) external onlyOwner {
        _metadataURI = uri;
    }

    function withdraw() external onlyOwner {
        payable(msg.sender).sendValue(address(this).balance);
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, _allowances[owner][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = _allowances[owner][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        }
        _balances[to] += amount;

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Spend `amount` form the allowance of `owner` toward `spender`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

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

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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
     * ====
     *
     * [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://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/token/ERC721/IERC721.sol';
import '@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol';
import '@openzeppelin/contracts/utils/Address.sol';
import '@openzeppelin/contracts/utils/Context.sol';
import '@openzeppelin/contracts/utils/Strings.sol';
import '@openzeppelin/contracts/utils/introspection/ERC165.sol';

error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

    // 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;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    /**
     * To change the starting tokenId, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view returns (uint256) {
        // Counter underflow is impossible as _currentIndex does not decrement,
        // and it is initialized to _startTokenId()
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @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 override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberBurned);
    }

    /**
     * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return _addressData[owner].aux;
    }

    /**
     * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

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

    /**
     * @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) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

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

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

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
            revert ApprovalCallerNotOwnerNorApproved();
        }

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSender()) revert ApproveToCaller();

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

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

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        _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 {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @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`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, quantity, '');
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

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

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev This is equivalent to _burn(tokenId, false)
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

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

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

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

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target 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 _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
            return retval == IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
     * minting.
     * And also called after one token has been burned.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}
}

// 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 (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/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 `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// 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 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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"mintPrice","type":"uint256"},{"internalType":"uint32","name":"maxSupply","type":"uint32"},{"internalType":"uint32","name":"freeSupply","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"ErrorExceedMaxSupply","type":"error"},{"inputs":[],"name":"ErrorExceedTransactionLimit","type":"error"},{"inputs":[],"name":"ErrorInsufficientFund","type":"error"},{"inputs":[],"name":"ErrorSaleNotStarted","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","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":"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":[],"name":"TX_LIMIT","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"_aux","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_freeSupply","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_maxSupply","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_metadataURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_minted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_started","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_totalFreeMinted","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"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":"uint32","name":"amount","type":"uint32"}],"name":"mint","outputs":[],"stateMutability":"payable","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":"uri","type":"string"}],"name":"setMetadataURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"started","type":"bool"}],"name":"setStarted","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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

0000000000000000000000000000000000000000000000000011c37937e0800000000000000000000000000000000000000000000000000000000000000022b800000000000000000000000000000000000000000000000000000000000003e8

-----Decoded View---------------
Arg [0] : mintPrice (uint256): 5000000000000000
Arg [1] : maxSupply (uint32): 8888
Arg [2] : freeSupply (uint32): 1000

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000011c37937e08000
Arg [1] : 00000000000000000000000000000000000000000000000000000000000022b8
Arg [2] : 00000000000000000000000000000000000000000000000000000000000003e8