ETH Price: $3,125.25 (-0.36%)

Contract

0x61a010418EE55DFE4a0152908b971aAd2e2AF088
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Set Approval For...210973612024-11-02 3:45:4716 days ago1730519147IN
BASTARD WASSIES: BASSIES Token
0 ETH0.000169153.66820183
Set Approval For...210306522024-10-23 20:22:2325 days ago1729714943IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0005925912.82766468
Set Approval For...209372402024-10-10 19:15:1138 days ago1728587711IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0004939510.71178574
Safe Transfer Fr...205205532024-08-13 15:19:2396 days ago1723562363IN
BASTARD WASSIES: BASSIES Token
0 ETH0.000264595.60183504
Safe Transfer Fr...204415892024-08-02 14:54:59107 days ago1722610499IN
BASTARD WASSIES: BASSIES Token
0 ETH0.000828719.52931577
Set Approval For...200487712024-06-08 18:02:47162 days ago1717869767IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0004705410.20409902
Set Approval For...199645332024-05-27 23:37:47174 days ago1716853067IN
BASTARD WASSIES: BASSIES Token
0 ETH0.000408848.86618044
Set Approval For...196295932024-04-11 3:05:47221 days ago1712804747IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0006236813.52513392
Safe Transfer Fr...195423962024-03-29 21:43:11233 days ago1711748591IN
BASTARD WASSIES: BASSIES Token
0 ETH0.00226225.07097746
Set Approval For...190995942024-01-27 18:06:23295 days ago1706378783IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0007098115.39290979
Set Approval For...190492612024-01-20 16:25:59302 days ago1705767959IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0008422618.23200229
Set Approval For...190492562024-01-20 16:24:59302 days ago1705767899IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0008084617.50029268
Set Approval For...190491822024-01-20 16:10:11302 days ago1705767011IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0007822216.93235795
Set Approval For...190463972024-01-20 6:51:35303 days ago1705733495IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0007724416.75113069
Set Approval For...190064272024-01-14 16:50:23308 days ago1705251023IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0012384326.80770758
Set Approval For...189443492024-01-05 23:33:23317 days ago1704497603IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0007782516.87714896
Set Approval For...189069722023-12-31 17:33:47322 days ago1704044027IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0008019117.35865113
Set Approval For...189025982023-12-31 2:50:35323 days ago1703991035IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0006141813.29499034
Safe Transfer Fr...188961262023-12-30 5:00:35324 days ago1703912435IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0006293512.72807072
Safe Transfer Fr...188961232023-12-30 4:59:59324 days ago1703912399IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0009260813.29756174
Safe Transfer Fr...188961182023-12-30 4:58:59324 days ago1703912339IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0006769913.69167758
Safe Transfer Fr...188961142023-12-30 4:58:11324 days ago1703912291IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0006424213.59737677
Safe Transfer Fr...188961092023-12-30 4:56:59324 days ago1703912219IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0007159814.48020556
Safe Transfer Fr...188961062023-12-30 4:56:11324 days ago1703912171IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0011819113.28640816
Safe Transfer Fr...188960982023-12-30 4:54:23324 days ago1703912063IN
BASTARD WASSIES: BASSIES Token
0 ETH0.0010309913.67336795
View all transactions

Latest 4 internal transactions

Advanced mode:
Parent Transaction Hash Block From To
187517912023-12-09 22:58:35344 days ago1702162715
BASTARD WASSIES: BASSIES Token
4.77 ETH
183145492023-10-09 17:57:35405 days ago1696874255
BASTARD WASSIES: BASSIES Token
0.2997 ETH
177649772023-07-24 19:14:23482 days ago1690226063
BASTARD WASSIES: BASSIES Token
0.8658 ETH
177074072023-07-16 17:43:23490 days ago1689529403
BASTARD WASSIES: BASSIES Token
6.1272 ETH
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
BASSIES

Compiler Version
v0.8.15+commit.e14f2714

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 12 : BASSIES.sol
// SPDX-License-Identifier: CONSTANTLY WANTS TO MAKE THE WORLD BEAUTIFUL

//  ▄▄▄▄▄▄▄▄▄▄   ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄ 
// ▐░░░░░░░░░░▌ ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
// ▐░█▀▀▀▀▀▀▀█░▌▐░█▀▀▀▀▀▀▀█░▌▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀  ▀▀▀▀█░█▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ 
// ▐░▌       ▐░▌▐░▌       ▐░▌▐░▌          ▐░▌               ▐░▌     ▐░▌          ▐░▌          
// ▐░█▄▄▄▄▄▄▄█░▌▐░█▄▄▄▄▄▄▄█░▌▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄      ▐░▌     ▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ 
// ▐░░░░░░░░░░▌ ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌     ▐░▌     ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
// ▐░█▀▀▀▀▀▀▀█░▌▐░█▀▀▀▀▀▀▀█░▌ ▀▀▀▀▀▀▀▀▀█░▌ ▀▀▀▀▀▀▀▀▀█░▌     ▐░▌     ▐░█▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀█░▌
// ▐░▌       ▐░▌▐░▌       ▐░▌          ▐░▌          ▐░▌     ▐░▌     ▐░▌                    ▐░▌
// ▐░█▄▄▄▄▄▄▄█░▌▐░▌       ▐░▌ ▄▄▄▄▄▄▄▄▄█░▌ ▄▄▄▄▄▄▄▄▄█░▌ ▄▄▄▄█░█▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄█░▌
// ▐░░░░░░░░░░▌ ▐░▌       ▐░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
//  ▀▀▀▀▀▀▀▀▀▀   ▀         ▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀                                                                                         

pragma solidity ^0.8.0;

// @title: BASSIES
// @creator: @wassoshi aka crazymotherfuckingbastard - xbastard.eth
// @artist: @wassoshi aka crazymotherfuckingbastard - xbastard.eth
// @artist: @berkozdemir aka guerrillapimpminionbastard  - berk.eth
// @developer: @berkozdemir aka guerrillapimpminionbastard- berk.eth

import "erc721a/contracts/extensions/ERC721AQueryable.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";


contract BASSIES is ERC721AQueryable, ERC2981, Ownable {

    enum SaleStatus {
        NoSale,
        YesSale
    }

    SaleStatus saleStatus = SaleStatus.NoSale;

    string public baseURI;

    address public treasuryAddress;
    
    uint256 constant maxBassies = 775;

    uint256 public etherPrice;
    uint256 public bastardPrice;

    uint256 public bastardMinted;
    uint256 public maxBastardMint = 150;

    uint256 public bastardMintCapPerTx = 15;
    uint256 public etherMintCapPerTx = 40;

    IERC20 BASTARDTOKEN = IERC20(0x78d9A9355a7823887868492c47368956ea473618); // MAINNET

    constructor() ERC721A("BASTARD WASSIES", "BASSIES") {  
    }

    /**
     * @dev Admin functions
     */

    function setRoyalty(address _address, uint96 _royalty) external onlyOwner {
        treasuryAddress = _address;
        _setDefaultRoyalty(_address, _royalty);
    }

    function setSaleStatus(uint256 _saleStatus) external onlyOwner {
        saleStatus = SaleStatus(_saleStatus);
    }

    function changebastardPrice(uint256 _price) external onlyOwner {
        bastardPrice = _price;
    }

    function changeEtherPrice(uint256 _price) external onlyOwner {
        etherPrice = _price;
    }

    /**
     * @dev Mint functions
     */

    function mintAdmin(address[] calldata _to, uint256[] calldata _amount) external onlyOwner {
        require(_to.length == _amount.length, "DATA LENGTHS MUST MATCH");

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

    function mintPublic(uint256 _amount, bool _isBastard) external payable {

        require(tx.origin == msg.sender, "ONLY HUMANS ALLOWED");
        require(saleStatus == SaleStatus.YesSale, "PUBLIC SALE IS NOT OPEN");
        require(totalSupply() + _amount <= maxBassies, "MAX BASSIES EXCEEDED");
        
        if (_isBastard) {
            require(_amount <= bastardMintCapPerTx, "YOU CAN MINT MAX 15 BASSIES WITH BASTARD");
            require(bastardMinted + _amount <= maxBastardMint, "NO MORE BASTARD MINT");
            require(BASTARDTOKEN.transferFrom(msg.sender,address(this),_amount * bastardPrice),"transfer Failed");
            bastardMinted += _amount;
        } else {
            require(_amount <= etherMintCapPerTx, "YOU CAN MINT MAX 40 BASSIES WITH ETHER");
            require(msg.value >= _amount * etherPrice, "NOT ENOUGH ETHERS SEND");
        }

        _mint(msg.sender, _amount);
        
    }

    /**
     * @dev Functions for dApp
     */

    function getSaleStatus() public view returns (SaleStatus) {
        return saleStatus;
    }

    /**
     * @dev Set the base token URI
     */

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

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

    /**
     * @dev Withdraw tokens
     **/
    function withdrawCall() external onlyOwner {
        require(treasuryAddress != address(0), "YO BE CAREFUL MATE");
        (bool success,)=treasuryAddress.call{value:address(this).balance}("");
        require(success,"Transfer failed!"); 
        require(BASTARDTOKEN.transfer(treasuryAddress, BASTARDTOKEN.balanceOf(address(this))));
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        virtual
        override(ERC721A, IERC721A, ERC2981)
        returns (bool)
    {
        // Supports the following `interfaceId`s:
        // - IERC165: 0x01ffc9a7
        // - IERC721: 0x80ac58cd
        // - IERC721Metadata: 0x5b5e139f
        // - IERC2981: 0x2a55205a
        return
            ERC721A.supportsInterface(interfaceId) ||
            ERC2981.supportsInterface(interfaceId);
    }

}

File 2 of 12 : IERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import '../IERC721A.sol';

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

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

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

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

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

File 3 of 12 : ERC721AQueryable.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

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

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

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

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

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

File 4 of 12 : 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 5 of 12 : ERC721A.sol
// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return _tokenApprovals[tokenId].value;
    }

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

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

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

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

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

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

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

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

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

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

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

        _beforeTokenTransfers(from, to, tokenId, 1);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        address from = address(uint160(prevOwnershipPacked));

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

File 6 of 12 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 7 of 12 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

File 8 of 12 : 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 9 of 12 : ERC2981.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(
        uint256 tokenId,
        address receiver,
        uint96 feeNumerator
    ) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

File 10 of 12 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

File 11 of 12 : IERC2981.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165.sol";

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

File 12 of 12 : 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);
    }
}

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

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":"InvalidQueryRange","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"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":[],"name":"bastardMintCapPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bastardMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bastardPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"changeEtherPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"changebastardPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"etherMintCapPerTx","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"etherPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"explicitOwnershipOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"explicitOwnershipsOf","outputs":[{"components":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint64","name":"startTimestamp","type":"uint64"},{"internalType":"bool","name":"burned","type":"bool"},{"internalType":"uint24","name":"extraData","type":"uint24"}],"internalType":"struct IERC721A.TokenOwnership[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getSaleStatus","outputs":[{"internalType":"enum BASSIES.SaleStatus","name":"","type":"uint8"}],"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":"maxBastardMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_to","type":"address[]"},{"internalType":"uint256[]","name":"_amount","type":"uint256[]"}],"name":"mintAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_isBastard","type":"bool"}],"name":"mintPublic","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"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":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"address","name":"_address","type":"address"},{"internalType":"uint96","name":"_royalty","type":"uint96"}],"name":"setRoyalty","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_saleStatus","type":"uint256"}],"name":"setSaleStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"tokensOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"stop","type":"uint256"}],"name":"tokensOfOwnerIn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"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":"treasuryAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawCall","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

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

BASSIES (BASTARD WASSIES) are a peculiar crossbreed that first emerged following a cataclysmic event in the blockchain universe around the year 2023. Their genesis is traced back to an accidental intertwining of the digital DNA of two distinct entities: the Wassies and the BAS...

Validator Index Block Amount
View All Withdrawals

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