pragma solidity >=0.8.9 <0.9.0;





contract GAM7 is ERC721A, Ownable, ReentrancyGuard {
    using Strings for uint256;

    mapping(address => uint256) public Yogi;
    uint256 public yogaFee;
    uint256 public max;
    uint256 public maxMintAmountPerTx = 5;
    bool public freeMintpaused = false;
    bool public paused = false;
    uint256 public freeMintPerWallet = 1;

    string public baseURI = "https://vitalik-yoga.mypinata.cloud/ipfs/QmZY4dMc7qacduA9dgSUHAx8fjsurRERhDaUfEYJJuGqLd/";

    constructor(
        string memory _tokenName,
        string memory _tokenSymbol
    ) ERC721A(_tokenName, _tokenSymbol) {
        yogaFee = 0.0003 ether;
        max = 5000;
    }

    modifier mintValidation(uint256 _mintAmount) {
        require(
            Yogi[msg.sender] <= maxMintAmountPerTx,
            "Invalid mint amount!"
        );
        require(
            _mintAmount > 0 && _mintAmount <= maxMintAmountPerTx,
            "Invalid mint amount!"
        );
        require(
            totalSupply() + _mintAmount <= max,
            "Max supply exceeded!"
        );
        _;
    }

    function mint(uint256 _mintAmount)
        public
        payable
        mintValidation(_mintAmount)
    {
        require(!paused, "The contract is paused!");
        if (Yogi[msg.sender] < freeMintPerWallet) {
            require(!freeMintpaused, "The free mint is paused!");
            if (_mintAmount < freeMintPerWallet) _mintAmount = freeMintPerWallet;
            require(
                msg.value >= (_mintAmount - freeMintPerWallet) * yogaFee,
                "Insufficient funds!"
            );
            Yogi[msg.sender] += _mintAmount;
            _mint(msg.sender, _mintAmount);
        } else {
            require(
                msg.value >= _mintAmount * yogaFee,
                "Insufficient funds!"
            );
            Yogi[msg.sender] += _mintAmount;
            _mint(msg.sender, _mintAmount);
        }
    }

    function mintV2(uint256 _mintAmount, address _receiver)
        public
        mintValidation(_mintAmount)
        onlyOwner
    {
        _mint(_receiver, _mintAmount);
    }

    function mintV3(uint256 _mintAmount, address _receiver) public onlyOwner {
        require(
            totalSupply() + _mintAmount <= max,
            "Max supply exceeded!"
        );
        _mint(_receiver, _mintAmount);
    }

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

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

        string memory currentBaseURI = baseURI;
        return
            bytes(currentBaseURI).length > 0
                ? string(
                    abi.encodePacked(
                        currentBaseURI,
                        _tokenId.toString(),
                        ".json"
                    )
                )
                : "";
    }

    // Set max mint amount per transaction
    function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx)
        public
        onlyOwner
    {
        maxMintAmountPerTx = _maxMintAmountPerTx;
    }

    // Set base URI
    function setBaseURI(string memory _newBaseURI) public onlyOwner {
        baseURI = _newBaseURI;
    }

    // Set mint price
    function setMintPrice(uint256 price) public onlyOwner {
        yogaFee = price;
    }

    // Pause the mint
    function setPaused(bool _state) public onlyOwner {
        paused = _state;
    }

    // Pause the free mint
    function setFreeMintPaused(bool _state) public onlyOwner {
        freeMintpaused = _state;
    }
    
    // Withdraw
    function withdraw() public onlyOwner nonReentrant {
        (bool os, ) = payable(owner()).call{value: address(this).balance}("");
        require(os);
    }

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