ETH Price: $3,248.49 (-0.32%)
Gas: 2 Gwei

Contract

0xDf23780eF18C50FDA07a04eFFf859806e3592DAe
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Safe Transfer Fr...186951342023-12-02 0:26:47239 days ago1701476807IN
MegaPepes: MPEPE Token
0 ETH0.0017518729.53903946
Set Approval For...186650152023-11-27 19:19:11243 days ago1701112751IN
MegaPepes: MPEPE Token
0 ETH0.0023045550.06096417
Set Approval For...179158072023-08-14 21:35:47348 days ago1692048947IN
MegaPepes: MPEPE Token
0 ETH0.000997721.67269604
Set Approval For...176680752023-07-11 4:43:11382 days ago1689050591IN
MegaPepes: MPEPE Token
0 ETH0.0009279220.15695561
Set Approval For...176305322023-07-05 22:03:59388 days ago1688594639IN
MegaPepes: MPEPE Token
0 ETH0.0021123345.88551445
Set Approval For...175918642023-06-30 11:42:11393 days ago1688125331IN
MegaPepes: MPEPE Token
0 ETH0.0009838121.37103358
Set Approval For...174706242023-06-13 10:57:35410 days ago1686653855IN
MegaPepes: MPEPE Token
0 ETH0.0006448414.00774704
Set Approval For...174541912023-06-11 3:24:35412 days ago1686453875IN
MegaPepes: MPEPE Token
0 ETH0.0007446116.17496846
Set Approval For...174011442023-06-03 15:48:47420 days ago1685807327IN
MegaPepes: MPEPE Token
0 ETH0.0009850621.39825657
Set Approval For...173770412023-05-31 6:21:47423 days ago1685514107IN
MegaPepes: MPEPE Token
0 ETH0.0012450527.0459393
Safe Transfer Fr...173756222023-05-31 1:32:59424 days ago1685496779IN
MegaPepes: MPEPE Token
0 ETH0.0017508229.52144605
Set Approval For...173576592023-05-28 12:57:11426 days ago1685278631IN
MegaPepes: MPEPE Token
0 ETH0.0010864223.59994513
Set Approval For...173269642023-05-24 5:25:59430 days ago1684905959IN
MegaPepes: MPEPE Token
0 ETH0.0014573331.65704361
Set Approval For...172954892023-05-19 19:04:59435 days ago1684523099IN
MegaPepes: MPEPE Token
0 ETH0.0019617442.61423888
Set Approval For...172796992023-05-17 13:39:23437 days ago1684330763IN
MegaPepes: MPEPE Token
0 ETH0.0023173150.33805301
Set Approval For...172322082023-05-10 19:56:35444 days ago1683748595IN
MegaPepes: MPEPE Token
0 ETH0.00574633124.82526282
Set Approval For...171981452023-05-06 0:57:47449 days ago1683334667IN
MegaPepes: MPEPE Token
0 ETH0.00476016103.4032424
Set Approval For...171655872023-05-01 11:09:11453 days ago1682939351IN
MegaPepes: MPEPE Token
0 ETH0.0027582259.91579008
Set Approval For...171610302023-04-30 19:45:59454 days ago1682883959IN
MegaPepes: MPEPE Token
0 ETH0.0022664349.23286596
Safe Transfer Fr...171528542023-04-29 16:12:47455 days ago1682784767IN
MegaPepes: MPEPE Token
0 ETH0.0020834743.77793948
Set Approval For...171495442023-04-29 5:01:35455 days ago1682744495IN
MegaPepes: MPEPE Token
0 ETH0.0016656936.18326014
Set Approval For...171486232023-04-29 1:55:35456 days ago1682733335IN
MegaPepes: MPEPE Token
0 ETH0.0014929932.43184518
Set Approval For...171182532023-04-24 19:34:23460 days ago1682364863IN
MegaPepes: MPEPE Token
0 ETH0.0031488168.40054721
Set Approval For...171135372023-04-24 3:40:59460 days ago1682307659IN
MegaPepes: MPEPE Token
0 ETH0.0017249237.46981327
Set Approval For...171119502023-04-23 22:21:23461 days ago1682288483IN
MegaPepes: MPEPE Token
0 ETH0.0021888447.54740935
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
MegaPepes

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 20000 runs

Other Settings:
default evmVersion
File 1 of 5 : MegaPepes.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.16;

import {ERC721A} from "ERC721A/contracts/ERC721A.sol";
import {Ownable} from "openzeppelin-contracts/contracts/access/Ownable.sol";

error ExceedsMaxSupply();

contract MegaPepes is ERC721A, Ownable {
    uint256 public constant MAX_SUPPLY = 165;

    string public baseURI;
    string public contractURI;

    constructor(string memory _newBaseURI, string memory _contractURI) ERC721A("MegaPepes", "MPEPE") {
        baseURI = _newBaseURI;
        contractURI = _contractURI;
    }

    /// @dev See {ERC721A-_startTokenId}.
    function _startTokenId() internal view virtual override returns (uint256) {
        return 1;
    }

    function getContractURI() public view returns (string memory) {
        return contractURI;
    }

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

    function setBaseURI(string memory _newBaseURI) public onlyOwner {
        baseURI = _newBaseURI;
    }

    function setContractURI(string memory _newContractURI) public onlyOwner {
        contractURI = _newContractURI;
    }

    function batchMint(address[] memory recipients) external onlyOwner {
        uint256 newTotalSupply = totalSupply() + recipients.length;
        require(newTotalSupply <= MAX_SUPPLY, "ExceedsMaxSupply");

        for (uint256 i = 0; i < recipients.length; i++) {
            _mint(recipients[i], 1);
        }
    }
}

File 2 of 5 : ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import "./IERC721A.sol";

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

File 3 of 5 : 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 5 : 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 5 : 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;
    }
}

Settings
{
  "remappings": [
    "ERC721A/=lib/ERC721A/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 20000
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"},{"internalType":"string","name":"_contractURI","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"}],"name":"batchMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getContractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newContractURI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60806040523480156200001157600080fd5b5060405162001fdc38038062001fdc8339810160408190526200003491620001e4565b604051806040016040528060098152602001684d656761506570657360b81b815250604051806040016040528060058152602001644d5045504560d81b8152508160029081620000859190620002dd565b506003620000948282620002dd565b5050600160005550620000a733620000cd565b6009620000b58382620002dd565b50600a620000c48282620002dd565b505050620003a9565b600880546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b634e487b7160e01b600052604160045260246000fd5b600082601f8301126200014757600080fd5b81516001600160401b03808211156200016457620001646200011f565b604051601f8301601f19908116603f011681019082821181831017156200018f576200018f6200011f565b81604052838152602092508683858801011115620001ac57600080fd5b600091505b83821015620001d05785820183015181830184015290820190620001b1565b600093810190920192909252949350505050565b60008060408385031215620001f857600080fd5b82516001600160401b03808211156200021057600080fd5b6200021e8683870162000135565b935060208501519150808211156200023557600080fd5b50620002448582860162000135565b9150509250929050565b600181811c908216806200026357607f821691505b6020821081036200028457634e487b7160e01b600052602260045260246000fd5b50919050565b601f821115620002d857600081815260208120601f850160051c81016020861015620002b35750805b601f850160051c820191505b81811015620002d457828155600101620002bf565b5050505b505050565b81516001600160401b03811115620002f957620002f96200011f565b62000311816200030a84546200024e565b846200028a565b602080601f831160018114620003495760008415620003305750858301515b600019600386901b1c1916600185901b178555620002d4565b600085815260208120601f198616915b828110156200037a5788860151825594840194600190910190840162000359565b5085821015620003995787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b611c2380620003b96000396000f3fe60806040526004361061018b5760003560e01c806370a08231116100d6578063b88d4fde1161007f578063e8a3d48511610059578063e8a3d48514610433578063e985e9c514610448578063f2fde38b1461049e57600080fd5b8063b88d4fde146103e0578063c87b56dd146103f3578063d67b06c11461041357600080fd5b8063938e3d7b116100b0578063938e3d7b1461038b57806395d89b41146103ab578063a22cb465146103c057600080fd5b806370a082311461032b578063715018a61461034b5780638da5cb5b1461036057600080fd5b806332cb6b0c1161013857806355f804b31161011257806355f804b3146102d65780636352211e146102f65780636c0360eb1461031657600080fd5b806332cb6b0c1461029957806337929eb4146102ae57806342842e0e146102c357600080fd5b8063095ea7b311610169578063095ea7b31461022c57806318160ddd1461024157806323b872dd1461028657600080fd5b806301ffc9a71461019057806306fdde03146101c5578063081812fc146101e7575b600080fd5b34801561019c57600080fd5b506101b06101ab3660046114c6565b6104be565b60405190151581526020015b60405180910390f35b3480156101d157600080fd5b506101da6105a3565b6040516101bc9190611551565b3480156101f357600080fd5b50610207610202366004611564565b610635565b60405173ffffffffffffffffffffffffffffffffffffffff90911681526020016101bc565b61023f61023a3660046115a6565b61069f565b005b34801561024d57600080fd5b50600154600054037fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff015b6040519081526020016101bc565b61023f6102943660046115d0565b6107b4565b3480156102a557600080fd5b5061027860a581565b3480156102ba57600080fd5b506101da610a6e565b61023f6102d13660046115d0565b610a7d565b3480156102e257600080fd5b5061023f6102f1366004611700565b610a9d565b34801561030257600080fd5b50610207610311366004611564565b610ab5565b34801561032257600080fd5b506101da610ac0565b34801561033757600080fd5b50610278610346366004611749565b610b4e565b34801561035757600080fd5b5061023f610bd0565b34801561036c57600080fd5b5060085473ffffffffffffffffffffffffffffffffffffffff16610207565b34801561039757600080fd5b5061023f6103a6366004611700565b610be4565b3480156103b757600080fd5b506101da610bf8565b3480156103cc57600080fd5b5061023f6103db366004611764565b610c07565b61023f6103ee3660046117a0565b610c9e565b3480156103ff57600080fd5b506101da61040e366004611564565b610d0e565b34801561041f57600080fd5b5061023f61042e36600461181c565b610dab565b34801561043f57600080fd5b506101da610ea6565b34801561045457600080fd5b506101b06104633660046118c9565b73ffffffffffffffffffffffffffffffffffffffff918216600090815260076020908152604080832093909416825291909152205460ff1690565b3480156104aa57600080fd5b5061023f6104b9366004611749565b610eb3565b60007f01ffc9a7000000000000000000000000000000000000000000000000000000007fffffffff000000000000000000000000000000000000000000000000000000008316148061055157507f80ac58cd000000000000000000000000000000000000000000000000000000007fffffffff000000000000000000000000000000000000000000000000000000008316145b8061059d57507f5b5e139f000000000000000000000000000000000000000000000000000000007fffffffff000000000000000000000000000000000000000000000000000000008316145b92915050565b6060600280546105b2906118fc565b80601f01602080910402602001604051908101604052809291908181526020018280546105de906118fc565b801561062b5780601f106106005761010080835404028352916020019161062b565b820191906000526020600020905b81548152906001019060200180831161060e57829003601f168201915b5050505050905090565b600061064082610f6a565b610676576040517fcf4700e400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5060009081526006602052604090205473ffffffffffffffffffffffffffffffffffffffff1690565b60006106aa82610ab5565b90503373ffffffffffffffffffffffffffffffffffffffff8216146107335773ffffffffffffffffffffffffffffffffffffffff8116600090815260076020908152604080832033845290915290205460ff16610733576040517fcfb3b94200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60008281526006602052604080822080547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff87811691821790925591518593918516917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591a4505050565b60006107bf82610fb8565b90508373ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614610826576040517fa114810000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b600082815260066020526040902080543380821473ffffffffffffffffffffffffffffffffffffffff8816909114176108c35773ffffffffffffffffffffffffffffffffffffffff8616600090815260076020908152604080832033845290915290205460ff166108c3576040517f59c896be00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8516610910576040517fea553b3400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b801561091b57600082555b73ffffffffffffffffffffffffffffffffffffffff86811660009081526005602052604080822080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff019055918716808252919020805460010190554260a01b177c0200000000000000000000000000000000000000000000000000000000176000858152600460205260408120919091557c020000000000000000000000000000000000000000000000000000000084169003610a0a57600184016000818152600460205260408120549003610a08576000548114610a085760008181526004602052604090208490555b505b838573ffffffffffffffffffffffffffffffffffffffff168773ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a45b505050505050565b6060600a80546105b2906118fc565b610a9883838360405180602001604052806000815250610c9e565b505050565b610aa5611077565b6009610ab18282611995565b5050565b600061059d82610fb8565b60098054610acd906118fc565b80601f0160208091040260200160405190810160405280929190818152602001828054610af9906118fc565b8015610b465780601f10610b1b57610100808354040283529160200191610b46565b820191906000526020600020905b815481529060010190602001808311610b2957829003601f168201915b505050505081565b600073ffffffffffffffffffffffffffffffffffffffff8216610b9d576040517f8f4eb60400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5073ffffffffffffffffffffffffffffffffffffffff1660009081526005602052604090205467ffffffffffffffff1690565b610bd8611077565b610be260006110f8565b565b610bec611077565b600a610ab18282611995565b6060600380546105b2906118fc565b33600081815260076020908152604080832073ffffffffffffffffffffffffffffffffffffffff87168085529083529281902080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001686151590811790915590519081529192917f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a35050565b610ca98484846107b4565b73ffffffffffffffffffffffffffffffffffffffff83163b15610d0857610cd28484848461116f565b610d08576040517fd1a57ed600000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b50505050565b6060610d1982610f6a565b610d4f576040517fa14c4b5000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6000610d596112e9565b90508051600003610d795760405180602001604052806000815250610da4565b80610d83846112f8565b604051602001610d94929190611aaf565b6040516020818303038152906040525b9392505050565b610db3611077565b60008151610de86001546000547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9190030190565b610df29190611b0d565b905060a5811115610e64576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f457863656564734d6178537570706c790000000000000000000000000000000060448201526064015b60405180910390fd5b60005b8251811015610a9857610e94838281518110610e8557610e85611b20565b6020026020010151600161135a565b80610e9e81611b4f565b915050610e67565b600a8054610acd906118fc565b610ebb611077565b73ffffffffffffffffffffffffffffffffffffffff8116610f5e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201527f64647265737300000000000000000000000000000000000000000000000000006064820152608401610e5b565b610f67816110f8565b50565b600081600111158015610f7e575060005482105b801561059d5750506000908152600460205260409020547c0100000000000000000000000000000000000000000000000000000000161590565b600081806001116110455760005481101561104557600081815260046020526040812054907c010000000000000000000000000000000000000000000000000000000082169003611043575b80600003610da457507fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff01600081815260046020526040902054611004565b505b6040517fdf2d9b4200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60085473ffffffffffffffffffffffffffffffffffffffff163314610be2576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65726044820152606401610e5b565b6008805473ffffffffffffffffffffffffffffffffffffffff8381167fffffffffffffffffffffffff0000000000000000000000000000000000000000831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b6040517f150b7a0200000000000000000000000000000000000000000000000000000000815260009073ffffffffffffffffffffffffffffffffffffffff85169063150b7a02906111ca903390899088908890600401611b87565b6020604051808303816000875af1925050508015611223575060408051601f3d9081017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe016820190925261122091810190611bd0565b60015b61129a573d808015611251576040519150601f19603f3d011682016040523d82523d6000602084013e611256565b606091505b508051600003611292576040517fd1a57ed600000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b805181602001fd5b7fffffffff00000000000000000000000000000000000000000000000000000000167f150b7a02000000000000000000000000000000000000000000000000000000001490505b949350505050565b6060600980546105b2906118fc565b606060a06040510180604052602081039150506000815280825b600183039250600a81066030018353600a90048061131257508190037fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0909101908152919050565b6000805490829003611398576040517fb562e8dd00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff831660008181526005602090815260408083208054680100000000000000018802019055848352600490915281206001851460e11b4260a01b178317905582840190839083907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef8180a4600183015b81811461145457808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a460010161141c565b508160000361148f576040517f2e07630000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60005550505050565b7fffffffff0000000000000000000000000000000000000000000000000000000081168114610f6757600080fd5b6000602082840312156114d857600080fd5b8135610da481611498565b60005b838110156114fe5781810151838201526020016114e6565b50506000910152565b6000815180845261151f8160208601602086016114e3565b601f017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0169290920160200192915050565b602081526000610da46020830184611507565b60006020828403121561157657600080fd5b5035919050565b803573ffffffffffffffffffffffffffffffffffffffff811681146115a157600080fd5b919050565b600080604083850312156115b957600080fd5b6115c28361157d565b946020939093013593505050565b6000806000606084860312156115e557600080fd5b6115ee8461157d565b92506115fc6020850161157d565b9150604084013590509250925092565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b604051601f82017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe016810167ffffffffffffffff811182821017156116825761168261160c565b604052919050565b600067ffffffffffffffff8311156116a4576116a461160c565b6116d560207fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0601f8601160161163b565b90508281528383830111156116e957600080fd5b828260208301376000602084830101529392505050565b60006020828403121561171257600080fd5b813567ffffffffffffffff81111561172957600080fd5b8201601f8101841361173a57600080fd5b6112e18482356020840161168a565b60006020828403121561175b57600080fd5b610da48261157d565b6000806040838503121561177757600080fd5b6117808361157d565b91506020830135801515811461179557600080fd5b809150509250929050565b600080600080608085870312156117b657600080fd5b6117bf8561157d565b93506117cd6020860161157d565b925060408501359150606085013567ffffffffffffffff8111156117f057600080fd5b8501601f8101871361180157600080fd5b6118108782356020840161168a565b91505092959194509250565b6000602080838503121561182f57600080fd5b823567ffffffffffffffff8082111561184757600080fd5b818501915085601f83011261185b57600080fd5b81358181111561186d5761186d61160c565b8060051b915061187e84830161163b565b818152918301840191848101908884111561189857600080fd5b938501935b838510156118bd576118ae8561157d565b8252938501939085019061189d565b98975050505050505050565b600080604083850312156118dc57600080fd5b6118e58361157d565b91506118f36020840161157d565b90509250929050565b600181811c9082168061191057607f821691505b602082108103611949577f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b50919050565b601f821115610a9857600081815260208120601f850160051c810160208610156119765750805b601f850160051c820191505b81811015610a6657828155600101611982565b815167ffffffffffffffff8111156119af576119af61160c565b6119c3816119bd84546118fc565b8461194f565b602080601f831160018114611a1657600084156119e05750858301515b7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600386901b1c1916600185901b178555610a66565b6000858152602081207fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe08616915b82811015611a6357888601518255948401946001909101908401611a44565b5085821015611a9f57878501517fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff600388901b60f8161c191681555b5050505050600190811b01905550565b60008351611ac18184602088016114e3565b835190830190611ad58183602088016114e3565b01949350505050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b8082018082111561059d5761059d611ade565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b60007fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8203611b8057611b80611ade565b5060010190565b600073ffffffffffffffffffffffffffffffffffffffff808716835280861660208401525083604083015260806060830152611bc66080830184611507565b9695505050505050565b600060208284031215611be257600080fd5b8151610da48161149856fea2646970667358221220f1cd68d58b35782673bf3ac0a4077a7c55135012e126169a5095e2dbb9c77c7664736f6c63430008100033000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000043697066733a2f2f626166796265696664717965696f6e33623773736e6f6d746a7a73716a666a707270723366636b37736335336f69716361716d6d796971627534752f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035697066733a2f2f516d596239417237527267646a58327a676374765858646f77643643744b426277376246425a56787738543251560000000000000000000000

Deployed Bytecode

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

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

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

-----Decoded View---------------
Arg [0] : _newBaseURI (string): ipfs://bafybeifdqyeion3b7ssnomtjzsqjfjprpr3fck7sc53oiqcaqmmyiqbu4u/
Arg [1] : _contractURI (string): ipfs://QmYb9Ar7RrgdjX2zgctvXXdowd6CtKBbw7bFBZVxw8T2QV

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000043
Arg [3] : 697066733a2f2f626166796265696664717965696f6e33623773736e6f6d746a
Arg [4] : 7a73716a666a707270723366636b37736335336f69716361716d6d7969716275
Arg [5] : 34752f0000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000035
Arg [7] : 697066733a2f2f516d596239417237527267646a58327a676374765858646f77
Arg [8] : 643643744b426277376246425a56787738543251560000000000000000000000


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

OVERVIEW

MegaPepes are a 165 NFT collection to honour the rise of $PEPE during the NFT bloodbath of spring 2023.

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.