pragma solidity ^0.8.9;







contract TrippyBeasts is ERC721A, DefaultOperatorFilterer, Ownable, ERC2981 {
    uint256 private mintPrice;
    uint256 public regularMintPrice = 0.09 ether;
    uint256 public whiteListedMintPrice = 0.0675 ether;
    uint256 public maxSupply = 200;
    bool public isMintingEnabled;
    string public preRevealUri;
    bool public isPreRevealedEnabled;
    bytes32 private root;
    string internal baseTokenUri;
    address payable public withdrawWallet = payable(0x3D5f623009C91725364D8cF094a606aaF08937a5);
    uint public maxPerWallet = 5;
    uint256 private startTime;
    uint256 public mintingStartTime;
    address private royaltyAddr = 0x3D5f623009C91725364D8cF094a606aaF08937a5;

    mapping(address => uint256) public _totalMintedAmount;

    constructor(bytes32 _root, uint256 _mintingStartTime, string memory _preRevealUri, string memory _baseUri) ERC721A("Trippy Beasts", "TB") {
        root = _root;
        mintingStartTime = _mintingStartTime;
        preRevealUri = _preRevealUri;
        baseTokenUri = _baseUri;
        isPreRevealedEnabled = true;
        _setDefaultRoyalty(royaltyAddr, 500);
    }

    function isWhitelisted(bytes32[] memory proof, bytes32 leaf) public view returns(bool){
       return MerkleProof.verify(proof, root, leaf);
    }


    //functions can be called by only owner
    function setBaseTokenUri(string calldata _baseTokenUri) external onlyOwner{
        baseTokenUri = _baseTokenUri;
    }

    function setIsMintingEnabled() external onlyOwner{
        isMintingEnabled = true;
    }

    function changeRoot(bytes32 _newRoot)  public onlyOwner{
        root = _newRoot;
    }

    function revealNFT() public onlyOwner{
        isPreRevealedEnabled = false;
    }

    function withdraw() external onlyOwner{
        (bool success,) = withdrawWallet.call{value: address(this).balance}("");
        require(success, "Withdrawal failed");
    }

    function setMintPrice(uint256 _price ) public onlyOwner{
        regularMintPrice = _price;
    }

    function setWithdrawWallet(address _withdrawWallet ) public onlyOwner{
        withdrawWallet = payable(_withdrawWallet);
    }

    function setWhiteListMintPrice(uint256 _whiteListMintPrice ) public onlyOwner{
        whiteListedMintPrice = _whiteListMintPrice;
    }

    function setMintingStartTime(uint256 _time ) public onlyOwner{
        mintingStartTime = _time;
    }

    /* -------------------------------------------------------------------------- */
    /*                              operator filterer                             */
    /* -------------------------------------------------------------------------- */
    function setApprovalForAll(address operator, bool approved)
        public
        override(ERC721A)
        onlyAllowedOperatorApproval(operator)
    {
        super.setApprovalForAll(operator, approved);
    }

    function approve(address operator, uint256 tokenId)
        public
        payable
        override(ERC721A)
        onlyAllowedOperatorApproval(operator)
    {
        super.approve(operator, tokenId);
    }

    /**
     * @dev Both safeTransferFrom functions in ERC721A call this function
     * so we don't need to override them.
     */
    function transferFrom(address from, address to, uint256 tokenId)
        public
        payable
        override(ERC721A)
        onlyAllowedOperator(from)
    {
        super.transferFrom(from, to, tokenId);
    }

    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data)
        public
        payable
        override(ERC721A)
        onlyAllowedOperator(from)
    {
        super.safeTransferFrom(from, to, tokenId, data);
    }

    /**
     * @dev See {IERC721-approve}.
     *      In this example the added modifier ensures that the operator is allowed by the OperatorFilterRegistry.
     */
    /* -------------------------------------------------------------------------- */
    /*                                   erc2981                                  */
    /* -------------------------------------------------------------------------- */
    function setDefaultRoyalty(address receiver, uint96 feeNumerator) public onlyOwner {
        _setDefaultRoyalty(receiver, feeNumerator);
    }

    function deleteDefaultRoyalty() public onlyOwner {
        _deleteDefaultRoyalty();
    }

    /* -------------------------------------------------------------------------- */
    /*                                   erc165                                   */
    /* -------------------------------------------------------------------------- */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721A, ERC2981) returns (bool) {
        // Supports the following `interfaceId`s:
        // - IERC165: 0x01ffc9a7
        // - IERC721: 0x80ac58cd
        // - IERC721Metadata: 0x5b5e139f
        // - IERC2981: 0x2a55205a
        return ERC721A.supportsInterface(interfaceId) || ERC2981.supportsInterface(interfaceId);
    }


    /* -------------------------------------------------------------------------- */
    /*                                   erc721a                                  */
    /* -------------------------------------------------------------------------- */
 
    function _startTokenId() internal pure override returns (uint256) {
        return 1;
    }

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

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        if(isPreRevealedEnabled){
            return preRevealUri;
        }

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


    //mint function
    function mint(uint256 _quantity, bytes32[] memory proof) external payable {
        if(isWhitelisted(proof, keccak256(abi.encodePacked(msg.sender)))){
            mintPrice = whiteListedMintPrice;
            startTime = mintingStartTime - 1 hours;
        }else{
            mintPrice = regularMintPrice;
            startTime = mintingStartTime;
        }

        require(isMintingEnabled, "Minting is not started yet");
        require(_quantity > 0, "You need to mint at least 1 NFT");
        require(block.timestamp >= startTime, "Minting will start soon");
        require(_totalMintedAmount[msg.sender] + _quantity <= maxPerWallet, "Exceed maximum NFTs per wallet");
        require(msg.value == _quantity * mintPrice, "Insufficient Balance");
        require(totalSupply() + _quantity <= maxSupply, "Sold Out");

        _totalMintedAmount[msg.sender] += _quantity;
        _safeMint(msg.sender, _quantity);
    }
    
}
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