ETH Price: $3,399.60 (+2.33%)
Gas: 4.58 Gwei

Token

Art of Mob Ladies First (art_of_mob_ladies_first)
 

Overview

Max Total Supply

10,000 art_of_mob_ladies_first

Holders

5,318

Total Transfers

-

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A

Other Info

Loading...
Loading
Loading...
Loading
Loading...
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
ERC721MOperatorFilterer

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 20 : ERC721MOperatorFilterer.sol
//SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import "./ERC721M.sol";
import "./OperatorFilter/DefaultOperatorFilterer.sol";

contract ERC721MOperatorFilterer is ERC721M, DefaultOperatorFilterer {
    constructor(
        string memory collectionName,
        string memory collectionSymbol,
        string memory tokenURISuffix,
        uint256 maxMintableSupply,
        uint256 globalWalletLimit,
        address cosigner,
        uint64 timestampExpirySeconds
    )
        ERC721M(
            collectionName,
            collectionSymbol,
            tokenURISuffix,
            maxMintableSupply,
            globalWalletLimit,
            cosigner,
            timestampExpirySeconds
        )
    {}

    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory data
    ) public payable override(ERC721A, IERC721A) onlyAllowedOperator(from) {
        super.safeTransferFrom(from, to, tokenId, data);
    }
}

File 2 of 20 : Ownable.sol
// 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);
    }
}

File 3 of 20 : IERC1271.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1271.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 *
 * _Available since v4.1._
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash      Hash of the data to be signed
     * @param signature Signature byte array associated with _data
     */
    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}

File 4 of 20 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 5 of 20 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 6 of 20 : Context.sol
// 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;
    }
}

File 7 of 20 : ECDSA.sol
// 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));
    }
}

File 8 of 20 : MerkleProof.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

File 9 of 20 : SignatureChecker.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/SignatureChecker.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";
import "../Address.sol";
import "../../interfaces/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
 * Argent and Gnosis Safe.
 *
 * _Available since v4.1._
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidSignatureNow(
        address signer,
        bytes32 hash,
        bytes memory signature
    ) internal view returns (bool) {
        (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
        if (error == ECDSA.RecoverError.NoError && recovered == signer) {
            return true;
        }

        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
        );
        return (success &&
            result.length == 32 &&
            abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
    }
}

File 10 of 20 : Math.sol
// 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);
        }
    }
}

File 11 of 20 : Strings.sol
// 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);
    }
}

File 12 of 20 : ERC721M.sol
//SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
import "erc721a/contracts/extensions/ERC721AQueryable.sol";
import "./IERC721M.sol";

/**
 * @title ERC721M
 *
 * @dev ERC721A subclass with MagicEden launchpad features including
 *  - multiple minting stages with time-based auto stage switch
 *  - global and stage wallet-level minting limit
 *  - whitelist using merkle tree
 *  - crossmint support
 *  - anti-botting
 */
contract ERC721M is IERC721M, ERC721AQueryable, Ownable, ReentrancyGuard {
    using ECDSA for bytes32;

    // Whether this contract is mintable.
    bool private _mintable;

    // Whether base URI is permanent. Once set, base URI is immutable.
    bool private _baseURIPermanent;

    // Specify how long a signature from cosigner is valid for, recommend 300 seconds.
    uint64 private _timestampExpirySeconds;

    // The address of the cosigner server.
    address private _cosigner;

    // The crossmint address. Need to set if using crossmint.
    address private _crossmintAddress;

    // The total mintable supply.
    uint256 internal _maxMintableSupply;

    // Global wallet limit, across all stages.
    uint256 private _globalWalletLimit;

    // Current base URI.
    string private _currentBaseURI;

    // The suffix for the token URL, e.g. ".json".
    string private _tokenURISuffix;

    // Mint stage infomation. See MintStageInfo for details.
    MintStageInfo[] private _mintStages;

    // Minted count per stage per wallet.
    mapping(uint256 => mapping(address => uint32))
        private _stageMintedCountsPerWallet;

    // Minted count per stage.
    mapping(uint256 => uint256) private _stageMintedCounts;

    constructor(
        string memory collectionName,
        string memory collectionSymbol,
        string memory tokenURISuffix,
        uint256 maxMintableSupply,
        uint256 globalWalletLimit,
        address cosigner,
        uint64 timestampExpirySeconds
    ) ERC721A(collectionName, collectionSymbol) {
        if (globalWalletLimit > maxMintableSupply)
            revert GlobalWalletLimitOverflow();

        _mintable = false;
        _maxMintableSupply = maxMintableSupply;
        _globalWalletLimit = globalWalletLimit;
        _tokenURISuffix = tokenURISuffix;
        _cosigner = cosigner; // ethers.constants.AddressZero for no cosigning
        _timestampExpirySeconds = timestampExpirySeconds;
    }

    /**
     * @dev Returns whether mintable.
     */
    modifier canMint() {
        if (!_mintable) revert NotMintable();
        _;
    }

    /**
     * @dev Returns whether NOT mintable.
     */
    modifier cannotMint() {
        if (_mintable) revert Mintable();
        _;
    }

    /**
     * @dev Returns whether it has enough supply for the given qty.
     */
    modifier hasSupply(uint256 qty) {
        if (totalSupply() + qty > _maxMintableSupply) revert NoSupplyLeft();
        _;
    }

    /**
     * @dev Returns cosigner address.
     */
    function getCosigner() external view override returns (address) {
        return _cosigner;
    }

    /**
     * @dev Returns cosign nonce.
     */
    function getCosignNonce(address minter) public view returns (uint256) {
        return _numberMinted(minter);
    }

    /**
     * @dev Sets cosigner.
     */
    function setCosigner(address cosigner) external onlyOwner {
        _cosigner = cosigner;
        emit SetCosigner(cosigner);
    }

    /**
     * @dev Returns expiry in seconds.
     */
    function getTimestampExpirySeconds() public view override returns (uint64) {
        return _timestampExpirySeconds;
    }

    /**
     * @dev Sets expiry in seconds. This timestamp specifies how long a signature from cosigner is valid for.
     */
    function setTimestampExpirySeconds(uint64 expiry) external onlyOwner {
        _timestampExpirySeconds = expiry;
        emit SetTimestampExpirySeconds(expiry);
    }

    /**
     * @dev Returns crossmint address.
     */
    function getCrossmintAddress() external view override returns (address) {
        return _crossmintAddress;
    }

    /**
     * @dev Sets crossmint address if using crossmint. This allows the specified address to call `crossmint`.
     */
    function setCrossmintAddress(address crossmintAddress) external onlyOwner {
        _crossmintAddress = crossmintAddress;
        emit SetCrossmintAddress(crossmintAddress);
    }

    /**
     * @dev Sets stages in the format of an array of `MintStageInfo`.
     *
     * Following is an example of launch with two stages. The first stage is exclusive for whitelisted wallets
     * specified by merkle root.
     *    [{
     *      price: 10000000000000000000,
     *      maxStageSupply: 2000,
     *      walletLimit: 1,
     *      merkleRoot: 0x559fadeb887449800b7b320bf1e92d309f329b9641ac238bebdb74e15c0a5218,
     *      startTimeUnixSeconds: 1667768000,
     *      endTimeUnixSeconds: 1667771600,
     *     },
     *     {
     *      price: 20000000000000000000,
     *      maxStageSupply: 3000,
     *      walletLimit: 2,
     *      merkleRoot: 0,
     *      startTimeUnixSeconds: 1667771600,
     *      endTimeUnixSeconds: 1667775200,
     *     }
     * ]
     */
    function setStages(MintStageInfo[] calldata newStages) external onlyOwner {
        uint256 originalSize = _mintStages.length;
        for (uint256 i = 0; i < originalSize; i++) {
            _mintStages.pop();
        }

        uint64 timestampExpirySeconds = getTimestampExpirySeconds();
        for (uint256 i = 0; i < newStages.length; i++) {
            if (i >= 1) {
                if (
                    newStages[i].startTimeUnixSeconds <
                    newStages[i - 1].endTimeUnixSeconds + timestampExpirySeconds
                ) {
                    revert InsufficientStageTimeGap();
                }
            }
            _assertValidStartAndEndTimestamp(
                newStages[i].startTimeUnixSeconds,
                newStages[i].endTimeUnixSeconds
            );
            _mintStages.push(
                MintStageInfo({
                    price: newStages[i].price,
                    walletLimit: newStages[i].walletLimit,
                    merkleRoot: newStages[i].merkleRoot,
                    maxStageSupply: newStages[i].maxStageSupply,
                    startTimeUnixSeconds: newStages[i].startTimeUnixSeconds,
                    endTimeUnixSeconds: newStages[i].endTimeUnixSeconds
                })
            );
            emit UpdateStage(
                i,
                newStages[i].price,
                newStages[i].walletLimit,
                newStages[i].merkleRoot,
                newStages[i].maxStageSupply,
                newStages[i].startTimeUnixSeconds,
                newStages[i].endTimeUnixSeconds
            );
        }
    }

    /**
     * @dev Gets whether mintable.
     */
    function getMintable() external view override returns (bool) {
        return _mintable;
    }

    /**
     * @dev Sets mintable.
     */
    function setMintable(bool mintable) external onlyOwner {
        _mintable = mintable;
        emit SetMintable(mintable);
    }

    /**
     * @dev Returns number of stages.
     */
    function getNumberStages() external view override returns (uint256) {
        return _mintStages.length;
    }

    /**
     * @dev Returns maximum mintable supply.
     */
    function getMaxMintableSupply() external view override returns (uint256) {
        return _maxMintableSupply;
    }

    /**
     * @dev Sets maximum mintable supply.
     *
     * New supply cannot be larger than the old.
     */
    function setMaxMintableSupply(uint256 maxMintableSupply)
        external
        virtual
        onlyOwner
    {
        if (maxMintableSupply > _maxMintableSupply) {
            revert CannotIncreaseMaxMintableSupply();
        }
        _maxMintableSupply = maxMintableSupply;
        emit SetMaxMintableSupply(maxMintableSupply);
    }

    /**
     * @dev Returns global wallet limit. This is the max number of tokens can be minted by one wallet.
     */
    function getGlobalWalletLimit() external view override returns (uint256) {
        return _globalWalletLimit;
    }

    /**
     * @dev Sets global wallet limit.
     */
    function setGlobalWalletLimit(uint256 globalWalletLimit)
        external
        onlyOwner
    {
        if (globalWalletLimit > _maxMintableSupply)
            revert GlobalWalletLimitOverflow();
        _globalWalletLimit = globalWalletLimit;
        emit SetGlobalWalletLimit(globalWalletLimit);
    }

    /**
     * @dev Returns number of minted token for a given address.
     */
    function totalMintedByAddress(address a)
        external
        view
        virtual
        override
        returns (uint256)
    {
        return _numberMinted(a);
    }

    /**
     * @dev Returns info for one stage specified by index (starting from 0).
     */
    function getStageInfo(uint256 index)
        external
        view
        override
        returns (
            MintStageInfo memory,
            uint32,
            uint256
        )
    {
        if (index >= _mintStages.length) {
            revert("InvalidStage");
        }
        uint32 walletMinted = _stageMintedCountsPerWallet[index][msg.sender];
        uint256 stageMinted = _stageMintedCounts[index];
        return (_mintStages[index], walletMinted, stageMinted);
    }

    /**
     * @dev Updates info for one stage specified by index (starting from 0).
     */
    function updateStage(
        uint256 index,
        uint80 price,
        uint32 walletLimit,
        bytes32 merkleRoot,
        uint24 maxStageSupply,
        uint64 startTimeUnixSeconds,
        uint64 endTimeUnixSeconds
    ) external onlyOwner {
        if (index >= _mintStages.length) revert InvalidStage();
        if (index >= 1) {
            if (
                startTimeUnixSeconds <
                _mintStages[index - 1].endTimeUnixSeconds +
                    getTimestampExpirySeconds()
            ) {
                revert InsufficientStageTimeGap();
            }
        }
        _assertValidStartAndEndTimestamp(
            startTimeUnixSeconds,
            endTimeUnixSeconds
        );
        _mintStages[index].price = price;
        _mintStages[index].walletLimit = walletLimit;
        _mintStages[index].merkleRoot = merkleRoot;
        _mintStages[index].maxStageSupply = maxStageSupply;
        _mintStages[index].startTimeUnixSeconds = startTimeUnixSeconds;
        _mintStages[index].endTimeUnixSeconds = endTimeUnixSeconds;

        emit UpdateStage(
            index,
            price,
            walletLimit,
            merkleRoot,
            maxStageSupply,
            startTimeUnixSeconds,
            endTimeUnixSeconds
        );
    }

    /**
     * @dev Mints token(s).
     *
     * qty - number of tokens to mint
     * proof - the merkle proof generated on client side. This applies if using whitelist.
     * timestamp - the current timestamp
     * signature - the signature from cosigner if using cosigner.
     */
    function mint(
        uint32 qty,
        bytes32[] calldata proof,
        uint64 timestamp,
        bytes calldata signature
    ) external payable nonReentrant {
        _mintInternal(qty, msg.sender, proof, timestamp, signature);
    }

    /**
     * @dev Mints token(s) through crossmint. This function is supposed to be called by crossmint.
     *
     * qty - number of tokens to mint
     * to - the address to mint tokens to
     * proof - the merkle proof generated on client side. This applies if using whitelist.
     * timestamp - the current timestamp
     * signature - the signature from cosigner if using cosigner.
     */
    function crossmint(
        uint32 qty,
        address to,
        bytes32[] calldata proof,
        uint64 timestamp,
        bytes calldata signature
    ) external payable nonReentrant {
        if (_crossmintAddress == address(0)) revert CrossmintAddressNotSet();

        // Check the caller is Crossmint
        if (msg.sender != _crossmintAddress) revert CrossmintOnly();

        _mintInternal(qty, to, proof, timestamp, signature);
    }

    /**
     * @dev Implementation of minting.
     */
    function _mintInternal(
        uint32 qty,
        address to,
        bytes32[] calldata proof,
        uint64 timestamp,
        bytes calldata signature
    ) internal canMint hasSupply(qty) {
        uint64 stageTimestamp = uint64(block.timestamp);

        MintStageInfo memory stage;
        if (_cosigner != address(0)) {
            assertValidCosign(msg.sender, qty, timestamp, signature);
            _assertValidTimestamp(timestamp);
            stageTimestamp = timestamp;
        }

        uint256 activeStage = getActiveStageFromTimestamp(stageTimestamp);

        stage = _mintStages[activeStage];

        // Check value
        if (msg.value < stage.price * qty) revert NotEnoughValue();

        // Check stage supply if applicable
        if (stage.maxStageSupply > 0) {
            if (_stageMintedCounts[activeStage] + qty > stage.maxStageSupply)
                revert StageSupplyExceeded();
        }

        // Check global wallet limit if applicable
        if (_globalWalletLimit > 0) {
            if (_numberMinted(to) + qty > _globalWalletLimit)
                revert WalletGlobalLimitExceeded();
        }

        // Check wallet limit for stage if applicable, limit == 0 means no limit enforced
        if (stage.walletLimit > 0) {
            if (
                _stageMintedCountsPerWallet[activeStage][to] + qty >
                stage.walletLimit
            ) revert WalletStageLimitExceeded();
        }

        // Check merkle proof if applicable, merkleRoot == 0x00...00 means no proof required
        if (stage.merkleRoot != 0) {
            if (
                MerkleProof.processProof(
                    proof,
                    keccak256(abi.encodePacked(to))
                ) != stage.merkleRoot
            ) revert InvalidProof();
        }

        _stageMintedCountsPerWallet[activeStage][to] += qty;
        _stageMintedCounts[activeStage] += qty;
        _safeMint(to, qty);
    }

    /**
     * @dev Mints token(s) by owner.
     *
     * NOTE: This function bypasses validations thus only available for owner.
     * This is typically used for owner to  pre-mint or mint the remaining of the supply.
     */
    function ownerMint(uint32 qty, address to)
        external
        onlyOwner
        hasSupply(qty)
    {
        _safeMint(to, qty);
    }

    /**
     * @dev Withdraws funds by owner.
     */
    function withdraw() external onlyOwner {
        uint256 value = address(this).balance;
        (bool success, ) = msg.sender.call{value: value}("");
        if (!success) revert WithdrawFailed();
        emit Withdraw(value);
    }

    /**
     * @dev Sets token base URI.
     */
    function setBaseURI(string calldata baseURI) external onlyOwner {
        if (_baseURIPermanent) revert CannotUpdatePermanentBaseURI();
        _currentBaseURI = baseURI;
        emit SetBaseURI(baseURI);
    }

    /**
     * @dev Sets token base URI permanent. Cannot revert.
     */
    function setBaseURIPermanent() external onlyOwner {
        _baseURIPermanent = true;
        emit PermanentBaseURI(_currentBaseURI);
    }

    /**
     * @dev Returns token URI suffix.
     */
    function getTokenURISuffix()
        external
        view
        override
        returns (string memory)
    {
        return _tokenURISuffix;
    }

    /**
     * @dev Sets token URI suffix. e.g. ".json".
     */
    function setTokenURISuffix(string calldata suffix) external onlyOwner {
        _tokenURISuffix = suffix;
    }

    /**
     * @dev Returns token URI for a given token id.
     */
    function tokenURI(uint256 tokenId)
        public
        view
        override(ERC721A, IERC721A)
        returns (string memory)
    {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _currentBaseURI;
        return
            bytes(baseURI).length != 0
                ? string(
                    abi.encodePacked(
                        baseURI,
                        _toString(tokenId),
                        _tokenURISuffix
                    )
                )
                : "";
    }

    /**
     * @dev Returns data hash for the given minter, qty and timestamp.
     */
    function getCosignDigest(
        address minter,
        uint32 qty,
        uint64 timestamp
    ) public view returns (bytes32) {
        if (_cosigner == address(0)) revert CosignerNotSet();
        return
            keccak256(
                abi.encodePacked(
                    address(this),
                    minter,
                    qty,
                    _cosigner,
                    timestamp,
                    _chainID(),
                    getCosignNonce(minter)
                )
            ).toEthSignedMessageHash();
    }

    /**
     * @dev Validates the the given signature.
     */
    function assertValidCosign(
        address minter,
        uint32 qty,
        uint64 timestamp,
        bytes memory signature
    ) public view override {
        if (
            !SignatureChecker.isValidSignatureNow(
                _cosigner,
                getCosignDigest(minter, qty, timestamp),
                signature
            )
        ) revert InvalidCosignSignature();
    }

    /**
     * @dev Returns the current active stage based on timestamp.
     */
    function getActiveStageFromTimestamp(uint64 timestamp)
        public
        view
        override
        returns (uint256)
    {
        for (uint256 i = 0; i < _mintStages.length; i++) {
            if (
                timestamp >= _mintStages[i].startTimeUnixSeconds &&
                timestamp < _mintStages[i].endTimeUnixSeconds
            ) {
                return i;
            }
        }
        revert InvalidStage();
    }

    /**
     * @dev Validates the timestamp is not expired.
     */
    function _assertValidTimestamp(uint64 timestamp) internal view {
        if (timestamp < block.timestamp - getTimestampExpirySeconds())
            revert TimestampExpired();
    }

    /**
     * @dev Validates the start timestamp is before end timestamp. Used when updating stages.
     */
    function _assertValidStartAndEndTimestamp(uint64 start, uint64 end)
        internal
        pure
    {
        if (start >= end) revert InvalidStartAndEndTimestamp();
    }

    /**
     * @dev Returns chain id.
     */
    function _chainID() private view returns (uint256) {
        uint256 chainID;
        assembly {
            chainID := chainid()
        }
        return chainID;
    }
}

File 13 of 20 : IERC721M.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "erc721a/contracts/extensions/IERC721AQueryable.sol";

interface IERC721M is IERC721AQueryable {
    error CannotIncreaseMaxMintableSupply();
    error CannotUpdatePermanentBaseURI();
    error CosignerNotSet();
    error CrossmintAddressNotSet();
    error CrossmintOnly();
    error GlobalWalletLimitOverflow();
    error InsufficientStageTimeGap();
    error InvalidCosignSignature();
    error InvalidProof();
    error InvalidStage();
    error InvalidStageArgsLength();
    error InvalidStartAndEndTimestamp();
    error NoSupplyLeft();
    error NotEnoughValue();
    error NotMintable();
    error Mintable();
    error StageSupplyExceeded();
    error TimestampExpired();
    error WalletGlobalLimitExceeded();
    error WalletStageLimitExceeded();
    error WithdrawFailed();

    struct MintStageInfo {
        uint80 price;
        uint32 walletLimit; // 0 for unlimited
        bytes32 merkleRoot; // 0x0 for no presale enforced
        uint24 maxStageSupply; // 0 for unlimited
        uint64 startTimeUnixSeconds;
        uint64 endTimeUnixSeconds;
    }

    event UpdateStage(
        uint256 stage,
        uint80 price,
        uint32 walletLimit,
        bytes32 merkleRoot,
        uint24 maxStageSupply,
        uint64 startTimeUnixSeconds,
        uint64 endTimeUnixSeconds
    );

    event SetCosigner(address cosigner);
    event SetCrossmintAddress(address crossmintAddress);
    event SetMintable(bool mintable);
    event SetMaxMintableSupply(uint256 maxMintableSupply);
    event SetGlobalWalletLimit(uint256 globalWalletLimit);
    event SetActiveStage(uint256 activeStage);
    event SetBaseURI(string baseURI);
    event SetTimestampExpirySeconds(uint64 expiry);
    event PermanentBaseURI(string baseURI);
    event Withdraw(uint256 value);

    function getCosigner() external view returns (address);

    function getCrossmintAddress() external view returns (address);

    function getNumberStages() external view returns (uint256);

    function getGlobalWalletLimit() external view returns (uint256);

    function getTimestampExpirySeconds() external view returns (uint64);

    function getMaxMintableSupply() external view returns (uint256);

    function getMintable() external view returns (bool);

    function totalMintedByAddress(address a) external view returns (uint256);

    function getTokenURISuffix() external view returns (string memory);

    function getStageInfo(uint256 index)
        external
        view
        returns (
            MintStageInfo memory,
            uint32,
            uint256
        );

    function getActiveStageFromTimestamp(uint64 timestamp)
        external
        view
        returns (uint256);

    function assertValidCosign(
        address minter,
        uint32 qty,
        uint64 timestamp,
        bytes memory signature
    ) external view;
}

File 14 of 20 : DefaultOperatorFilterer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "./OperatorFilterer.sol";

abstract contract DefaultOperatorFilterer is OperatorFilterer {
    address constant DEFAULT_SUBSCRIPTION =
        address(0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6);

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

File 15 of 20 : IOperatorFilterRegistry.sol
// 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 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);
}

File 16 of 20 : OperatorFilterer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "./IOperatorFilterRegistry.sol";

abstract contract OperatorFilterer {
    error OperatorNotAllowed(address operator);

    IOperatorFilterRegistry constant operatorFilterRegistry =
        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(operatorFilterRegistry).code.length > 0) {
            if (subscribe) {
                operatorFilterRegistry.registerAndSubscribe(
                    address(this),
                    subscriptionOrRegistrantToCopy
                );
            } else {
                if (subscriptionOrRegistrantToCopy != address(0)) {
                    operatorFilterRegistry.registerAndCopyEntries(
                        address(this),
                        subscriptionOrRegistrantToCopy
                    );
                } else {
                    operatorFilterRegistry.register(address(this));
                }
            }
        }
    }

    modifier onlyAllowedOperator(address from) virtual {
        // Check registry code length to facilitate testing in environments without a deployed registry.
        if (address(operatorFilterRegistry).code.length > 0) {
            // 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) {
                _;
                return;
            }
            if (
                !(operatorFilterRegistry.isOperatorAllowed(
                    address(this),
                    msg.sender
                ) &&
                    operatorFilterRegistry.isOperatorAllowed(
                        address(this),
                        from
                    ))
            ) {
                revert OperatorNotAllowed(msg.sender);
            }
        }
        _;
    }
}

File 17 of 20 : ERC721A.sol
// 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)
        }
    }
}

File 18 of 20 : ERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721AQueryable.sol';
import '../ERC721A.sol';

/**
 * @title ERC721AQueryable.
 *
 * @dev ERC721A subclass with convenience query functions.
 */
abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
        TokenOwnership memory ownership;
        if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
            return ownership;
        }
        ownership = _ownershipAt(tokenId);
        if (ownership.burned) {
            return ownership;
        }
        return _ownershipOf(tokenId);
    }

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] calldata tokenIds)
        external
        view
        virtual
        override
        returns (TokenOwnership[] memory)
    {
        unchecked {
            uint256 tokenIdsLength = tokenIds.length;
            TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
            for (uint256 i; i != tokenIdsLength; ++i) {
                ownerships[i] = explicitOwnershipOf(tokenIds[i]);
            }
            return ownerships;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view virtual override returns (uint256[] memory) {
        unchecked {
            if (start >= stop) revert InvalidQueryRange();
            uint256 tokenIdsIdx;
            uint256 stopLimit = _nextTokenId();
            // Set `start = max(start, _startTokenId())`.
            if (start < _startTokenId()) {
                start = _startTokenId();
            }
            // Set `stop = min(stop, stopLimit)`.
            if (stop > stopLimit) {
                stop = stopLimit;
            }
            uint256 tokenIdsMaxLength = balanceOf(owner);
            // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
            // to cater for cases where `balanceOf(owner)` is too big.
            if (start < stop) {
                uint256 rangeLength = stop - start;
                if (rangeLength < tokenIdsMaxLength) {
                    tokenIdsMaxLength = rangeLength;
                }
            } else {
                tokenIdsMaxLength = 0;
            }
            uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
            if (tokenIdsMaxLength == 0) {
                return tokenIds;
            }
            // We need to call `explicitOwnershipOf(start)`,
            // because the slot at `start` may not be initialized.
            TokenOwnership memory ownership = explicitOwnershipOf(start);
            address currOwnershipAddr;
            // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
            // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
            if (!ownership.burned) {
                currOwnershipAddr = ownership.addr;
            }
            for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            // Downsize the array to fit.
            assembly {
                mstore(tokenIds, tokenIdsIdx)
            }
            return tokenIds;
        }
    }

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
        unchecked {
            uint256 tokenIdsIdx;
            address currOwnershipAddr;
            uint256 tokenIdsLength = balanceOf(owner);
            uint256[] memory tokenIds = new uint256[](tokenIdsLength);
            TokenOwnership memory ownership;
            for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
                ownership = _ownershipAt(i);
                if (ownership.burned) {
                    continue;
                }
                if (ownership.addr != address(0)) {
                    currOwnershipAddr = ownership.addr;
                }
                if (currOwnershipAddr == owner) {
                    tokenIds[tokenIdsIdx++] = i;
                }
            }
            return tokenIds;
        }
    }
}

File 19 of 20 : IERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

/**
 * @dev Interface of ERC721AQueryable.
 */
interface IERC721AQueryable is IERC721A {
    /**
     * Invalid query range (`start` >= `stop`).
     */
    error InvalidQueryRange();

    /**
     * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
     *
     * If the `tokenId` is out of bounds:
     *
     * - `addr = address(0)`
     * - `startTimestamp = 0`
     * - `burned = false`
     * - `extraData = 0`
     *
     * If the `tokenId` is burned:
     *
     * - `addr = <Address of owner before token was burned>`
     * - `startTimestamp = <Timestamp when token was burned>`
     * - `burned = true`
     * - `extraData = <Extra data when token was burned>`
     *
     * Otherwise:
     *
     * - `addr = <Address of owner>`
     * - `startTimestamp = <Timestamp of start of ownership>`
     * - `burned = false`
     * - `extraData = <Extra data at start of ownership>`
     */
    function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);

    /**
     * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
     * See {ERC721AQueryable-explicitOwnershipOf}
     */
    function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`,
     * in the range [`start`, `stop`)
     * (i.e. `start <= tokenId < stop`).
     *
     * This function allows for tokens to be queried if the collection
     * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
     *
     * Requirements:
     *
     * - `start < stop`
     */
    function tokensOfOwnerIn(
        address owner,
        uint256 start,
        uint256 stop
    ) external view returns (uint256[] memory);

    /**
     * @dev Returns an array of token IDs owned by `owner`.
     *
     * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
     * It is meant to be called off-chain.
     *
     * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
     * multiple smaller scans if the collection is large enough to cause
     * an out-of-gas error (10K collections should be fine).
     */
    function tokensOfOwner(address owner) external view returns (uint256[] memory);
}

File 20 of 20 : IERC721A.sol
// 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);
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"collectionName","type":"string"},{"internalType":"string","name":"collectionSymbol","type":"string"},{"internalType":"string","name":"tokenURISuffix","type":"string"},{"internalType":"uint256","name":"maxMintableSupply","type":"uint256"},{"internalType":"uint256","name":"globalWalletLimit","type":"uint256"},{"internalType":"address","name":"cosigner","type":"address"},{"internalType":"uint64","name":"timestampExpirySeconds","type":"uint64"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"CannotIncreaseMaxMintableSupply","type":"error"},{"inputs":[],"name":"CannotUpdatePermanentBaseURI","type":"error"},{"inputs":[],"name":"CosignerNotSet","type":"error"},{"inputs":[],"name":"CrossmintAddressNotSet","type":"error"},{"inputs":[],"name":"CrossmintOnly","type":"error"},{"inputs":[],"name":"GlobalWalletLimitOverflow","type":"error"},{"inputs":[],"name":"InsufficientStageTimeGap","type":"error"},{"inputs":[],"name":"InvalidCosignSignature","type":"error"},{"inputs":[],"name":"InvalidProof","type":"error"},{"inputs":[],"name":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"InvalidStage","type":"error"},{"inputs":[],"name":"InvalidStageArgsLength","type":"error"},{"inputs":[],"name":"InvalidStartAndEndTimestamp","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"Mintable","type":"error"},{"inputs":[],"name":"NoSupplyLeft","type":"error"},{"inputs":[],"name":"NotEnoughValue","type":"error"},{"inputs":[],"name":"NotMintable","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":"StageSupplyExceeded","type":"error"},{"inputs":[],"name":"TimestampExpired","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":"WalletGlobalLimitExceeded","type":"error"},{"inputs":[],"name":"WalletStageLimitExceeded","type":"error"},{"inputs":[],"name":"WithdrawFailed","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":false,"internalType":"string","name":"baseURI","type":"string"}],"name":"PermanentBaseURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"activeStage","type":"uint256"}],"name":"SetActiveStage","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"baseURI","type":"string"}],"name":"SetBaseURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"cosigner","type":"address"}],"name":"SetCosigner","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"crossmintAddress","type":"address"}],"name":"SetCrossmintAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"globalWalletLimit","type":"uint256"}],"name":"SetGlobalWalletLimit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxMintableSupply","type":"uint256"}],"name":"SetMaxMintableSupply","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"mintable","type":"bool"}],"name":"SetMintable","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"expiry","type":"uint64"}],"name":"SetTimestampExpirySeconds","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"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"stage","type":"uint256"},{"indexed":false,"internalType":"uint80","name":"price","type":"uint80"},{"indexed":false,"internalType":"uint32","name":"walletLimit","type":"uint32"},{"indexed":false,"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"indexed":false,"internalType":"uint24","name":"maxStageSupply","type":"uint24"},{"indexed":false,"internalType":"uint64","name":"startTimeUnixSeconds","type":"uint64"},{"indexed":false,"internalType":"uint64","name":"endTimeUnixSeconds","type":"uint64"}],"name":"UpdateStage","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"},{"internalType":"uint32","name":"qty","type":"uint32"},{"internalType":"uint64","name":"timestamp","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"assertValidCosign","outputs":[],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"qty","type":"uint32"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"uint64","name":"timestamp","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"crossmint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"timestamp","type":"uint64"}],"name":"getActiveStageFromTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"},{"internalType":"uint32","name":"qty","type":"uint32"},{"internalType":"uint64","name":"timestamp","type":"uint64"}],"name":"getCosignDigest","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"getCosignNonce","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCosigner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCrossmintAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGlobalWalletLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMaxMintableSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMintable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumberStages","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getStageInfo","outputs":[{"components":[{"internalType":"uint80","name":"price","type":"uint80"},{"internalType":"uint32","name":"walletLimit","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint24","name":"maxStageSupply","type":"uint24"},{"internalType":"uint64","name":"startTimeUnixSeconds","type":"uint64"},{"internalType":"uint64","name":"endTimeUnixSeconds","type":"uint64"}],"internalType":"struct IERC721M.MintStageInfo","name":"","type":"tuple"},{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTimestampExpirySeconds","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTokenURISuffix","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"qty","type":"uint32"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"},{"internalType":"uint64","name":"timestamp","type":"uint64"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"qty","type":"uint32"},{"internalType":"address","name":"to","type":"address"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"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":[{"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":[],"name":"setBaseURIPermanent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"cosigner","type":"address"}],"name":"setCosigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"crossmintAddress","type":"address"}],"name":"setCrossmintAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"globalWalletLimit","type":"uint256"}],"name":"setGlobalWalletLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxMintableSupply","type":"uint256"}],"name":"setMaxMintableSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"mintable","type":"bool"}],"name":"setMintable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint80","name":"price","type":"uint80"},{"internalType":"uint32","name":"walletLimit","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint24","name":"maxStageSupply","type":"uint24"},{"internalType":"uint64","name":"startTimeUnixSeconds","type":"uint64"},{"internalType":"uint64","name":"endTimeUnixSeconds","type":"uint64"}],"internalType":"struct IERC721M.MintStageInfo[]","name":"newStages","type":"tuple[]"}],"name":"setStages","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"expiry","type":"uint64"}],"name":"setTimestampExpirySeconds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"suffix","type":"string"}],"name":"setTokenURISuffix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"a","type":"address"}],"name":"totalMintedByAddress","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"uint80","name":"price","type":"uint80"},{"internalType":"uint32","name":"walletLimit","type":"uint32"},{"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"internalType":"uint24","name":"maxStageSupply","type":"uint24"},{"internalType":"uint64","name":"startTimeUnixSeconds","type":"uint64"},{"internalType":"uint64","name":"endTimeUnixSeconds","type":"uint64"}],"name":"updateStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : collectionName (string): Art of Mob Ladies First
Arg [1] : collectionSymbol (string): art_of_mob_ladies_first
Arg [2] : tokenURISuffix (string): .json
Arg [3] : maxMintableSupply (uint256): 10000
Arg [4] : globalWalletLimit (uint256): 0
Arg [5] : cosigner (address): 0x194Ea7ce80b510d6B872B1D221C6230eBF83bFF9
Arg [6] : timestampExpirySeconds (uint64): 300

-----Encoded View---------------
13 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000e0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000120
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000160
Arg [3] : 0000000000000000000000000000000000000000000000000000000000002710
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [5] : 000000000000000000000000194ea7ce80b510d6b872b1d221c6230ebf83bff9
Arg [6] : 000000000000000000000000000000000000000000000000000000000000012c
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000017
Arg [8] : 417274206f66204d6f62204c6164696573204669727374000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000017
Arg [10] : 6172745f6f665f6d6f625f6c61646965735f6669727374000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [12] : 2e6a736f6e000000000000000000000000000000000000000000000000000000


Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.