ETH Price: $3,403.81 (+2.05%)

Token

Baby Nakamigos (BABYMIGOS)
 

Overview

Max Total Supply

5,000 BABYMIGOS

Holders

2,125

Market

Volume (24H)

N/A

Min Price (24H)

N/A

Max Price (24H)

N/A
Balance
2 BABYMIGOS
0xfa29698f8dbe2e360ccf9106c4f0b2856c5eb148
Loading...
Loading
Loading...
Loading
Loading...
Loading

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

Contract Source Code Verified (Exact Match)

Contract Name:
BabyNakamigos

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
default evmVersion
File 1 of 9 : BabyNakamigos.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.9 <0.9.0;

import "erc721a/ERC721A.sol";
import "openzeppelin/access/Ownable.sol";
import "openzeppelin/utils/Strings.sol";
import "openzeppelin/utils/Context.sol";
import "openzeppelin/utils/Address.sol";
import "openzeppelin/security/ReentrancyGuard.sol";

contract BabyNakamigos is ERC721A, Ownable, ReentrancyGuard {
    using Strings for uint256;

    uint256 public maxSupply = 5000;
    uint256 public publicPrice = 0.002 ether;

    uint256 public maxPerWallet = 10;

    uint256 public maxFree = 2;

    bool public isPublicMint = false;
    bool public isMetadataFinal;

    string public _baseURL = "ipfs://bafybeifiyfofpkofbl7qxbn3fx4mciw5u3ky5sbymgrtwahzx23lvbkt2q/";
    string public prerevealURL = "";

    mapping(address => uint256) private _walletMintedCount;

    constructor() ERC721A("Baby Nakamigos", "BABYMIGOS") {}

    function mintedCount(address owner) external view returns (uint256) {
        return _walletMintedCount[owner];
    }

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

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

    function contractURI() public pure returns (string memory) {
        return "";
    }

    function finalizeMetadata() external onlyOwner {
        isMetadataFinal = true;
    }

    function reveal(string memory url) external onlyOwner {
        require(!isMetadataFinal, "Metadata is finalized");
        _baseURL = url;
    }

    function withdraw() public onlyOwner nonReentrant {
        (bool os, ) = payable(owner()).call{value: address(this).balance}("");
        require(os);
    }

    function devMint(address to, uint256 count) external onlyOwner {
        require(_totalMinted() + count <= maxSupply, "Exceeds max supply");
        _safeMint(to, count);
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(
            _exists(tokenId),
            "ERC721Metadata: URI query for nonexistent token"
        );

        return
            bytes(_baseURI()).length > 0
                ? string(
                    abi.encodePacked(_baseURI(), tokenId.toString(), "")
                )
                : prerevealURL;
    }

    /*
        "SET VARIABLE" FUNCTIONS
    */

    function setPublicPrice(uint256 _price) external onlyOwner {
        publicPrice = _price;
    }

    function togglePublicState() external onlyOwner {
        isPublicMint = !isPublicMint;
    }

    function setMaxSupply(uint256 newMaxSupply) external onlyOwner {
        maxSupply = newMaxSupply;
    }

    function setFree(uint256 newFree) external onlyOwner {
        maxFree = newFree;
    }

    /*
        MINT FUNCTIONS
    */

    function mint(uint256 count) external payable {
        uint256 minted = _walletMintedCount[msg.sender];
        require(count > 0, "Mint at least 1");
        require(minted < maxPerWallet, "Too many mints for wallet");

        uint256 payForCount = count;
        if (minted < maxFree) {
            if (maxFree - minted > count) {
                payForCount = 0;
            } else {
                payForCount = count - (maxFree - minted);
            }
        }

        require(isPublicMint, "Public mint has not started");
        require(_totalMinted() + count <= maxSupply, "Exceeds max supply");
        require(
            msg.value >= payForCount * publicPrice,
            "Ether value sent is not sufficient"
        );

        _walletMintedCount[msg.sender] += count;
        _safeMint(msg.sender, count);
    }
}

File 2 of 9 : 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 packed) {
        if (_startTokenId() <= tokenId) {
            packed = _packedOwnerships[tokenId];
            // If not burned.
            if (packed & _BITMASK_BURNED == 0) {
                // If the data at the starting slot does not exist, start the scan.
                if (packed == 0) {
                    if (tokenId >= _currentIndex) revert OwnerQueryForNonexistentToken();
                    // 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, `tokenId` will not underflow.
                    //
                    // We can directly compare the packed value.
                    // If the address is zero, packed will be zero.
                    for (;;) {
                        unchecked {
                            packed = _packedOwnerships[--tokenId];
                        }
                        if (packed == 0) continue;
                        return packed;
                    }
                }
                // Otherwise, the data exists and is not burned. We can skip the scan.
                // This is possible because we have already achieved the target condition.
                // This saves 2143 gas on transfers of initialized tokens.
                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. See {ERC721A-_approve}.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        _approve(to, tokenId, true);
    }

    /**
     * @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, '');
    }

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

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

    /**
     * @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:
     *
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        bool approvalCheck
    ) internal virtual {
        address owner = ownerOf(tokenId);

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

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

    // =============================================================
    //                        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 3 of 9 : 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);
}

File 4 of 9 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

File 5 of 9 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

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

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

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

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

File 6 of 9 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

File 7 of 9 : 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 8 of 9 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Settings
{
  "remappings": [
    "@ensdomains/=lib/erc721a/node_modules/@ensdomains/",
    "chainlink-brownie-contracts/=lib/chainlink-brownie-contracts/contracts/src/v0.8/dev/vendor/@arbitrum/nitro-contracts/src/",
    "chainlink/=lib/chainlink-brownie-contracts/contracts/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc721a/=lib/erc721a/contracts/",
    "eth-gas-reporter/=lib/erc721a/node_modules/eth-gas-reporter/",
    "forge-std/=lib/forge-std/src/",
    "hardhat/=lib/erc721a/node_modules/hardhat/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "solady/=lib/solady/src/",
    "solarray/=lib/solarray/src/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "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":"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":[],"name":"_baseURL","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"count","type":"uint256"}],"name":"devMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"finalizeMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isMetadataFinal","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isPublicMint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxFree","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxPerWallet","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"mintedCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"prerevealURL","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"publicPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"url","type":"string"}],"name":"reveal","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":"uint256","name":"newFree","type":"uint256"}],"name":"setFree","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxSupply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"setPublicPrice","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":"togglePublicState","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  ]
[ 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.