Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

// ░██╗░░░░░░░██╗███████╗██████╗░███╗░░██╗██████╗░██████╗░██████╗░███████╗
// ░██║░░██╗░░██║██╔════╝██╔══██╗████╗░██║╚════██╗██╔══██╗██╔══██╗╚════██║
// ░╚██╗████╗██╔╝█████╗░░██████╦╝██╔██╗██║░█████╔╝██████╔╝██║░░██║░░███╔═╝
// ░░████╔═████║░██╔══╝░░██╔══██╗██║╚████║░╚═══██╗██╔══██╗██║░░██║██╔══╝░░
// ░░╚██╔╝░╚██╔╝░███████╗██████╦╝██║░╚███║██████╔╝██║░░██║██████╔╝███████╗
// ░░░╚═╝░░░╚═╝░░╚══════╝╚═════╝░╚═╝░░╚══╝╚═════╝░╚═╝░░╚═╝╚═════╝░╚══════╝

pragma solidity 0.8.17;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "erc721a/contracts/ERC721A.sol";
import "operator-filter-registry/src/DefaultOperatorFilterer.sol";

error ContractsCannotMint();
error IncorrectSig();
error MaxMintExceeded();
error NotEnoughEth();
error SaleNotActive();
error SignerCantBeBurner();
error SoldOut();
error WithdrawFailure();

// @author web_n3rdz (n3rdz.xyz)
contract MartianTown is ERC721A, Ownable, DefaultOperatorFilterer {
    using ECDSA for bytes32;

    address private _signerAddress;

    string public baseURI;
    uint256 public maxMintOG = 3;
    uint256 public maxMintPUB = 6;
    uint256 public maxMintWL = 2;
    uint256 public maxSupply;
    uint256 public price = 0.006 ether;
    bool public saleIsActive = false;
    bool public whitelistIsActive = false;

    enum Minter {
        OG,
        PUB,
        WL
    }

    constructor(
        uint256 maxSupply_,
        address signerAddress_,
        string memory baseURI_
    ) ERC721A("MartianTown", "MT") {
        maxSupply = maxSupply_;
        _signerAddress = signerAddress_;
        baseURI = baseURI_;
    }

    // =============================================================
    //                      PUBLIC FUNCTIONS
    // =============================================================

    /**
     * @dev Mint function.
     */
    function mint(
        bytes calldata signature,
        uint256 quantity,
        Minter minter
    ) external payable noContractMint requireActiveSale(minter) {
        if (!_verifySig(msg.sender, msg.value, quantity, minter, signature))
            revert IncorrectSig();
        if (totalSupply() + quantity > maxSupply) revert SoldOut();
        if (_numberMinted(msg.sender) + quantity > _minterMaxMint(minter))
            revert MaxMintExceeded();
        if (saleIsActive && msg.value < price * quantity) revert NotEnoughEth();

        _mint(msg.sender, quantity);
    }

    /**
     * @dev Check how many tokens the given address minted.
     */
    function minterMaxMint(Minter minter) external view returns (uint256) {
        return _minterMaxMint(minter);
    }

    /**
     * @dev Check how many tokens the given address minted.
     */
    function numberMinted(address minter) external view returns (uint256) {
        return _numberMinted(minter);
    }

    // =============================================================
    //                      INTERNAL FUNCTIONS
    // =============================================================

    function _baseURI() internal view virtual override returns (string memory) {
        return baseURI;
    }

    function _minterMaxMint(Minter minter) internal view returns (uint256) {
        if (minter == Minter.PUB) {
            return maxMintPUB;
        }

        if (minter == Minter.OG) {
            return maxMintOG;
        }

        return maxMintWL;
    }

    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }

    function _verifySig(
        address sender,
        uint256 valueSent,
        uint256 quantity,
        Minter minter,
        bytes memory signature
    ) internal view returns (bool) {
        bytes32 messageHash = keccak256(
            abi.encodePacked(sender, valueSent, quantity, uint256(minter))
        );
        return
            _signerAddress ==
            messageHash.toEthSignedMessageHash().recover(signature);
    }

    // =============================================================
    //                      OWNER FUNCTIONS
    // =============================================================

    /**
     * @dev Aidrop tokens to given address (onlyOwner).
     */
    function airdop(address receiver, uint256 quantity) external onlyOwner {
        if (totalSupply() + quantity > maxSupply) revert SoldOut();
        _mint(receiver, quantity);
    }

    /**
     * @dev Flip public sale state (onlyOwner).
     */
    function flipSaleState() external onlyOwner {
        saleIsActive = !saleIsActive;
    }

    /**
     * @dev Flip WL sale state (onlyOwner).
     */
    function flipWhitelistSaleState() external onlyOwner {
        whitelistIsActive = !whitelistIsActive;
    }

    /**
     * @dev Set base uri for token metadata (onlyOwner).
     */
    function setBaseURI(string memory baseURI_) external onlyOwner {
        baseURI = baseURI_;
    }

    /**
     * @dev Set max mint per address for OG (onlyOwner).
     */
    function setMaxMintOG(uint256 maxMintOG_) external onlyOwner {
        maxMintOG = maxMintOG_;
    }

    /**
     * @dev Set max mint per address for PUB (onlyOwner).
     */
    function setMaxMintPUB(uint256 maxMintPUB_) external onlyOwner {
        maxMintPUB = maxMintPUB_;
    }

    /**
     * @dev Set max mint per address for WL (onlyOwner).
     */
    function setMaxMintWL(uint256 maxMintWL_) external onlyOwner {
        maxMintWL = maxMintWL_;
    }

    /**
     * @dev Set signer address (onlyOwner).
     */
    function setSignerAddress(address signerAddress_) external onlyOwner {
        if (signerAddress_ == address(0)) revert SignerCantBeBurner();
        _signerAddress = signerAddress_;
    }

    /**
     * @dev Set Price (onlyOwner).
     */
    function setPrice(uint256 _price) external onlyOwner {
        price = _price;
    }

    /**
     * @dev Withdraw all funds (onlyOwner).
     */
    function withdrawAll() external onlyOwner {
        (bool success, ) = msg.sender.call{value: address(this).balance}("");
        if (!success) revert WithdrawFailure();
    }

    // =============================================================
    //                  OPERATOR FILTER REGISTRY
    // =============================================================

    function setApprovalForAll(
        address operator,
        bool approved
    ) public override onlyAllowedOperatorApproval(operator) {
        super.setApprovalForAll(operator, approved);
    }

    function approve(
        address operator,
        uint256 tokenId
    ) public payable override onlyAllowedOperatorApproval(operator) {
        super.approve(operator, tokenId);
    }

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public payable override onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }

    // =============================================================
    //                        MODIFIERS
    // =============================================================

    /**
     * @dev Requires active sale.
     */
    modifier requireActiveSale(Minter minter) {
        if (!saleIsActive && !whitelistIsActive) revert SaleNotActive();
        if (minter == Minter.PUB && !saleIsActive) revert SaleNotActive();
        _;
    }

    /**
     * @dev Requires no contract minting.
     */
    modifier noContractMint() {
        if (msg.sender != tx.origin) revert ContractsCannotMint();
        _;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 // Deprecated in v4.8
    }

    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");
        }
    }

    /**
     * @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) {
        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.
            /// @solidity memory-safe-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 {
            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 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
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _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 {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

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

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

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

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

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

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

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

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

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

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

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

    /**
     * Sets the auxiliary 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 virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

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

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    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, _toString(tokenId))) : '';
    }

    /**
     * @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, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @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) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @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) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @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. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * 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
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // 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 {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @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 memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @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 {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @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 for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

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

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

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

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, 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.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev 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 {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

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

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // 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 {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

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

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

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * 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 _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @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,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` 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 payable;

    /**
     * @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 payable;

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

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

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

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @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);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

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

/**
 * @title  DefaultOperatorFilterer
 * @notice Inherits from OperatorFilterer and automatically subscribes to the default OpenSea subscription.
 */
abstract contract DefaultOperatorFilterer is OperatorFilterer {
    address constant DEFAULT_SUBSCRIPTION = address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);

    constructor() OperatorFilterer(DEFAULT_SUBSCRIPTION, true) {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface IOperatorFilterRegistry {
    function isOperatorAllowed(address registrant, address operator) external view returns (bool);
    function register(address registrant) external;
    function registerAndSubscribe(address registrant, address subscription) external;
    function registerAndCopyEntries(address registrant, address registrantToCopy) external;
    function unregister(address addr) external;
    function updateOperator(address registrant, address operator, bool filtered) external;
    function updateOperators(address registrant, address[] calldata operators, bool filtered) external;
    function updateCodeHash(address registrant, bytes32 codehash, bool filtered) external;
    function updateCodeHashes(address registrant, bytes32[] calldata codeHashes, bool filtered) external;
    function subscribe(address registrant, address registrantToSubscribe) external;
    function unsubscribe(address registrant, bool copyExistingEntries) external;
    function subscriptionOf(address addr) external returns (address registrant);
    function subscribers(address registrant) external returns (address[] memory);
    function subscriberAt(address registrant, uint256 index) external returns (address);
    function copyEntriesOf(address registrant, address registrantToCopy) external;
    function isOperatorFiltered(address registrant, address operator) external returns (bool);
    function isCodeHashOfFiltered(address registrant, address operatorWithCode) external returns (bool);
    function isCodeHashFiltered(address registrant, bytes32 codeHash) external returns (bool);
    function filteredOperators(address addr) external returns (address[] memory);
    function filteredCodeHashes(address addr) external returns (bytes32[] memory);
    function filteredOperatorAt(address registrant, uint256 index) external returns (address);
    function filteredCodeHashAt(address registrant, uint256 index) external returns (bytes32);
    function isRegistered(address addr) external returns (bool);
    function codeHashOf(address addr) external returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

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

/**
 * @title  OperatorFilterer
 * @notice Abstract contract whose constructor automatically registers and optionally subscribes to or copies another
 *         registrant's entries in the OperatorFilterRegistry.
 * @dev    This smart contract is meant to be inherited by token contracts so they can use the following:
 *         - `onlyAllowedOperator` modifier for `transferFrom` and `safeTransferFrom` methods.
 *         - `onlyAllowedOperatorApproval` modifier for `approve` and `setApprovalForAll` methods.
 */
abstract contract OperatorFilterer {
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry public constant OPERATOR_FILTER_REGISTRY =
        IOperatorFilterRegistry(0x000000000000AAeB6D7670E522A718067333cd4E);

    constructor(address subscriptionOrRegistrantToCopy, bool subscribe) {
        // If an inheriting token contract is deployed to a network without the registry deployed, the modifier
        // will not revert, but the contract will need to be registered with the registry once it is deployed in
        // order for the modifier to filter addresses.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (subscribe) {
                OPERATOR_FILTER_REGISTRY.registerAndSubscribe(address(this), subscriptionOrRegistrantToCopy);
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    OPERATOR_FILTER_REGISTRY.registerAndCopyEntries(address(this), subscriptionOrRegistrantToCopy);
                } else {
                    OPERATOR_FILTER_REGISTRY.register(address(this));
                }
            }
        }
    }

    modifier onlyAllowedOperator(address from) virtual {
        // Allow spending tokens from addresses with balance
        // Note that this still allows listings and marketplaces with escrow to transfer tokens if transferred
        // from an EOA.
        if (from != msg.sender) {
            _checkFilterOperator(msg.sender);
        }
        _;
    }

    modifier onlyAllowedOperatorApproval(address operator) virtual {
        _checkFilterOperator(operator);
        _;
    }

    function _checkFilterOperator(address operator) internal view virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(OPERATOR_FILTER_REGISTRY).code.length > 0) {
            if (!OPERATOR_FILTER_REGISTRY.isOperatorAllowed(address(this), operator)) {
                revert OperatorNotAllowed(operator);
            }
        }
    }
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 2000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"maxSupply_","type":"uint256"},{"internalType":"address","name":"signerAddress_","type":"address"},{"internalType":"string","name":"baseURI_","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"ContractsCannotMint","type":"error"},{"inputs":[],"name":"IncorrectSig","type":"error"},{"inputs":[],"name":"MaxMintExceeded","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"NotEnoughEth","type":"error"},{"inputs":[{"internalType":"address","name":"operator","type":"address"}],"name":"OperatorNotAllowed","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"SaleNotActive","type":"error"},{"inputs":[],"name":"SignerCantBeBurner","type":"error"},{"inputs":[],"name":"SoldOut","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"},{"inputs":[],"name":"WithdrawFailure","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":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","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":"OPERATOR_FILTER_REGISTRY","outputs":[{"internalType":"contract IOperatorFilterRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"airdop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"flipSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"flipWhitelistSaleState","outputs":[],"stateMutability":"nonpayable","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":"maxMintOG","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintPUB","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintWL","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"uint256","name":"quantity","type":"uint256"},{"internalType":"enum MartianTown.Minter","name":"minter","type":"uint8"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"enum MartianTown.Minter","name":"minter","type":"uint8"}],"name":"minterMaxMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"numberMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"price","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"payable","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":"payable","type":"function"},{"inputs":[],"name":"saleIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxMintOG_","type":"uint256"}],"name":"setMaxMintOG","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxMintPUB_","type":"uint256"}],"name":"setMaxMintPUB","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxMintWL_","type":"uint256"}],"name":"setMaxMintWL","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"signerAddress_","type":"address"}],"name":"setSignerAddress","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":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"whitelistIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000001a0a000000000000000000000000b55cef2f4d7a408484b40bbd4c3f1e4cf8fb56ff0000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000001768747470733a2f2f6c6f63616c686f73743a333030302f000000000000000000

-----Decoded View---------------
Arg [0] : maxSupply_ (uint256): 6666
Arg [1] : signerAddress_ (address): 0xB55ceF2F4D7a408484b40bbd4C3f1E4CF8fb56Ff
Arg [2] : baseURI_ (string): https://localhost:3000/

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000001a0a
Arg [1] : 000000000000000000000000b55cef2f4d7a408484b40bbd4c3f1e4cf8fb56ff
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000017
Arg [4] : 68747470733a2f2f6c6f63616c686f73743a333030302f000000000000000000