Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

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


pragma solidity ^0.8.4;

import "https://github.com/chiru-labs/ERC721A/blob/main/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract Singularity is ERC721A, Ownable {

    constructor(string memory URI) ERC721A("Singularity", "SNGLR") {
      baseURI = URI;
    }
  
    string baseURI;
    
    function airdrop(address[] calldata addresses, uint256[] calldata quantities) external onlyOwner {
        for(uint i = 0; i<addresses.length; i++) {
          _mint(addresses[uint256(i)], quantities[uint256(i)]);
        }
    }

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

    function setBaseURI(string calldata URI) external onlyOwner {
      baseURI = URI;
    }

    function viewBaseURI() public view returns(string memory) {
      return _baseURI();
    }

}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

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

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

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

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

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

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

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

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

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

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

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

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

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

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

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

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

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

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

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

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

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

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

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

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

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

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

pragma solidity ^0.8.4;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// 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;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"URI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address[]","name":"addresses","type":"address[]"},{"internalType":"uint256[]","name":"quantities","type":"uint256[]"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"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":"URI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"viewBaseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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

0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002468747470733a2f2f6d657461646174612e6d76332e696f2f73696e67756c61726974792f00000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : URI (string): https://metadata.mv3.io/singularity/

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000024
Arg [2] : 68747470733a2f2f6d657461646174612e6d76332e696f2f73696e67756c6172
Arg [3] : 6974792f00000000000000000000000000000000000000000000000000000000