ETH Price: $3,074.94 (-3.40%)

Blockchain Beings (BB)
 

Overview

TokenID

8245

Total Transfers

-

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-
Loading...
Loading
Loading...
Loading
Loading...
Loading

OVERVIEW

The most diverse Beings on the Blockchain.

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
BlockchainBeings

Compiler Version
v0.8.8+commit.dddeac2f

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : BlockchainBeings.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.8;

import {ERC721A} from "erc721a/contracts/ERC721A.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {OperatorFilterer} from "closedsea/src/OperatorFilterer.sol";

contract BlockchainBeings is ERC721A, Ownable, OperatorFilterer {

    /// ============ Custom Errors ============
    error SaleIsNotLive();
    error InsufficientPayment();
    error MaxSupplyExceeded();
    error MaxMintPerTransactionExceeded();

    /// ============ Modifiers ============
    modifier onlyEOA() {
        require(tx.origin == msg.sender, "Contracts are not allowed to call this function");
        _;
    }

    /// ============ Variables ============
    uint256 public constant MAX_SUPPLY = 8888;
    uint256 public constant MAX_PER_TRANSACTION = 10;
    uint256 public constant PRICE = 0.005 ether;
    bool public saleIsLive = false;
    bool public operatorFilteringEnabled;
    string public baseURI;

    /// ============ Constructor ============
    constructor() ERC721A("Blockchain Beings", "BB") {
        _registerForOperatorFiltering();
        operatorFilteringEnabled = true;
    }

    /// ============ Mint Function ============
    function mint(uint256 quantity) external payable onlyEOA {
       if (!saleIsLive) revert SaleIsNotLive();
       if (_totalMinted() + quantity > MAX_SUPPLY) revert MaxSupplyExceeded();
       if (quantity > MAX_PER_TRANSACTION) revert MaxMintPerTransactionExceeded();

       uint256 payAmount = quantity;
       uint256 freeMintCount = _getAux(msg.sender);

       if (freeMintCount < 1) {
            payAmount = quantity - 1;
            _setAux(msg.sender, 1);
       }
       
       if (payAmount > 0) {
            if (msg.value < payAmount * PRICE) revert InsufficientPayment();
        }

        _mint(msg.sender, quantity);
    }

    /// ============ Overrides / Owner Only ============
    function setApprovalForAll(
        address operator,
        bool approved
    ) public override onlyAllowedOperatorApproval(operator) {
        super.setApprovalForAll(operator, approved);
    }

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

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

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

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

    function setOperatorFilteringEnabled(bool value) public onlyOwner {
        operatorFilteringEnabled = value;
    }

    function _operatorFilteringEnabled() internal view override returns (bool) {
        return operatorFilteringEnabled;
    }

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

    function setBaseURI(string memory uri) external onlyOwner {
        baseURI = uri;
    }

    function toggleSale() public onlyOwner {
        saleIsLive = !saleIsLive;
    }

    function withdraw() external onlyOwner {
        (bool hs, ) = payable(0x8fA3220055C692bE18b751d107CA451B26Bb4df8).call{
            value: (address(this).balance * 30) / 100
        }("");
        require(hs);

        (bool os, ) = payable(0x4786cbf3bD45d9E2D7A025Fb203b40Ca5522FFe6).call{
            value: address(this).balance
        }("");
        require(os);
    }
}

File 2 of 6 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        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 6 : 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 4 of 6 : OperatorFilterer.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Optimized and flexible operator filterer to abide to OpenSea's
/// mandatory on-chain royalty enforcement in order for new collections to
/// receive royalties.
/// For more information, see:
/// See: https://github.com/ProjectOpenSea/operator-filter-registry
abstract contract OperatorFilterer {
    /// @dev The default OpenSea operator blocklist subscription.
    address internal constant _DEFAULT_SUBSCRIPTION = 0x3cc6CddA760b79bAfa08dF41ECFA224f810dCeB6;

    /// @dev The OpenSea operator filter registry.
    address internal constant _OPERATOR_FILTER_REGISTRY = 0x000000000000AAeB6D7670E522A718067333cd4E;

    /// @dev Registers the current contract to OpenSea's operator filter,
    /// and subscribe to the default OpenSea operator blocklist.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering() internal virtual {
        _registerForOperatorFiltering(_DEFAULT_SUBSCRIPTION, true);
    }

    /// @dev Registers the current contract to OpenSea's operator filter.
    /// Note: Will not revert nor update existing settings for repeated registration.
    function _registerForOperatorFiltering(address subscriptionOrRegistrantToCopy, bool subscribe)
        internal
        virtual
    {
        /// @solidity memory-safe-assembly
        assembly {
            let functionSelector := 0x7d3e3dbe // `registerAndSubscribe(address,address)`.

            // Clean the upper 96 bits of `subscriptionOrRegistrantToCopy` in case they are dirty.
            subscriptionOrRegistrantToCopy := shr(96, shl(96, subscriptionOrRegistrantToCopy))

            for {} iszero(subscribe) {} {
                if iszero(subscriptionOrRegistrantToCopy) {
                    functionSelector := 0x4420e486 // `register(address)`.
                    break
                }
                functionSelector := 0xa0af2903 // `registerAndCopyEntries(address,address)`.
                break
            }
            // Store the function selector.
            mstore(0x00, shl(224, functionSelector))
            // Store the `address(this)`.
            mstore(0x04, address())
            // Store the `subscriptionOrRegistrantToCopy`.
            mstore(0x24, subscriptionOrRegistrantToCopy)
            // Register into the registry.
            if iszero(call(gas(), _OPERATOR_FILTER_REGISTRY, 0, 0x00, 0x44, 0x00, 0x04)) {
                // If the function selector has not been overwritten,
                // it is an out-of-gas error.
                if eq(shr(224, mload(0x00)), functionSelector) {
                    // To prevent gas under-estimation.
                    revert(0, 0)
                }
            }
            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, because of Solidity's memory size limits.
            mstore(0x24, 0)
        }
    }

    /// @dev Modifier to guard a function and revert if the caller is a blocked operator.
    modifier onlyAllowedOperator(address from) virtual {
        if (from != msg.sender) {
            if (!_isPriorityOperator(msg.sender)) {
                if (_operatorFilteringEnabled()) _revertIfBlocked(msg.sender);
            }
        }
        _;
    }

    /// @dev Modifier to guard a function from approving a blocked operator..
    modifier onlyAllowedOperatorApproval(address operator) virtual {
        if (!_isPriorityOperator(operator)) {
            if (_operatorFilteringEnabled()) _revertIfBlocked(operator);
        }
        _;
    }

    /// @dev Helper function that reverts if the `operator` is blocked by the registry.
    function _revertIfBlocked(address operator) private view {
        /// @solidity memory-safe-assembly
        assembly {
            // Store the function selector of `isOperatorAllowed(address,address)`,
            // shifted left by 6 bytes, which is enough for 8tb of memory.
            // We waste 6-3 = 3 bytes to save on 6 runtime gas (PUSH1 0x224 SHL).
            mstore(0x00, 0xc6171134001122334455)
            // Store the `address(this)`.
            mstore(0x1a, address())
            // Store the `operator`.
            mstore(0x3a, operator)

            // `isOperatorAllowed` always returns true if it does not revert.
            if iszero(staticcall(gas(), _OPERATOR_FILTER_REGISTRY, 0x16, 0x44, 0x00, 0x00)) {
                // Bubble up the revert if the staticcall reverts.
                returndatacopy(0x00, 0x00, returndatasize())
                revert(0x00, returndatasize())
            }

            // We'll skip checking if `from` is inside the blacklist.
            // Even though that can block transferring out of wrapper contracts,
            // we don't want tokens to be stuck.

            // Restore the part of the free memory pointer that was overwritten,
            // which is guaranteed to be zero, if less than 8tb of memory is used.
            mstore(0x3a, 0)
        }
    }

    /// @dev For deriving contracts to override, so that operator filtering
    /// can be turned on / off.
    /// Returns true by default.
    function _operatorFilteringEnabled() internal view virtual returns (bool) {
        return true;
    }

    /// @dev For deriving contracts to override, so that preferred marketplaces can
    /// skip operator filtering, helping users save gas.
    /// Returns false for all inputs by default.
    function _isPriorityOperator(address) internal view virtual returns (bool) {
        return false;
    }
}

File 5 of 6 : 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 6 of 6 : 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": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"InsufficientPayment","type":"error"},{"inputs":[],"name":"MaxMintPerTransactionExceeded","type":"error"},{"inputs":[],"name":"MaxSupplyExceeded","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":"SaleIsNotLive","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":[],"name":"MAX_PER_TRANSACTION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"quantity","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operatorFilteringEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":[],"name":"saleIsLive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setOperatorFilteringEnabled","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":[],"name":"toggleSale","outputs":[],"stateMutability":"nonpayable","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":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

Loading...
Loading
Loading...
Loading
[ 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.