pragma solidity ^0.8.7;

contract yeogeol is ERC721A, Ownable {
    using SafeMath for uint256;
    using Strings for uint256;

    uint256 public maxPerTx = 5;
    uint256 public maxSupply = 1000;
    uint256 public freeMintMax = 1000; 
    uint256 public price = 0.01 ether;
    uint256 public maxFreePerWallet = 1; 

    string private baseURI = "ipfs://Qmd37sedV18Xdmjqo4ZybLgzeK9oiVLzQ7UuhA39cmSoqE/";
    string public notRevealedUri = "ipfs://Qmd37sedV18Xdmjqo4ZybLgzeK9oiVLzQ7UuhA39cmSoqE/";
    string public constant baseExtension = ".json";

    mapping(address => uint256) private _mintedFreeAmount; 

    bool public paused = true;
    bool public revealed = false;
    error freeMintIsOver();

    address devWallet = 0x71e3b5963C0e0aE95C88A0718cABFc765B6494C7;
    uint _devFee = 10;

 

    constructor() ERC721A("yeogeol", "YEOGEOL") {}

    function mint(uint256 count) external payable {
        uint256 cost = price;
        bool isFree = ((totalSupply() + count < freeMintMax + 1) &&
            (_mintedFreeAmount[msg.sender] + count <= maxFreePerWallet));

        if (isFree) {
            cost = 0;
        }

        require(!paused, "Contract Paused.");
        require(msg.value >= count * cost, "Please send the exact amount.");
        require(totalSupply() + count < maxSupply + 1, "No more");
        require(count < maxPerTx + 1, "Max per TX reached.");

        if (isFree) {
            _mintedFreeAmount[msg.sender] += count;
        }

        _safeMint(msg.sender, count);
    } 

    function teamMint(uint256 _number) external onlyOwner {
        require(totalSupply() + _number <= maxSupply, "Minting would exceed maxSupply");
        _safeMint(_msgSender(), _number);
    }

    function setMaxFreeMint(uint256 _max) public onlyOwner {
        freeMintMax = _max;
    }

    function setMaxPaidPerTx(uint256 _max) public onlyOwner {
        maxPerTx = _max;
    }

    function setMaxSupply(uint256 _max) public onlyOwner {
        maxSupply = _max;
    }

    function setFreeAmount(uint256 amount) external onlyOwner {
        freeMintMax = amount;
    } 

    function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
        notRevealedUri = _notRevealedURI;
    } 

    function reveal() public onlyOwner {
        revealed = true;
    }  

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

    function minted(address _owner) public view returns (uint256) {
        return _numberMinted(_owner);
    }

    function _withdraw(address _address, uint256 _amount) private {
        (bool success, ) = _address.call{value: _amount}("");
        require(success, "Failed to withdraw Ether");
    }

    function withdrawAll() public onlyOwner {
        uint256 balance = address(this).balance;
        require(balance > 0, "Insufficent balance");

        _withdraw(_msgSender(), balance * (100 - devFee) / 100);
        _withdraw(devWallet, balance * devFee / 100);
    }

    function setPrice(uint256 _price) external onlyOwner {
        price = _price;
    }

    function setPause(bool _state) external onlyOwner {
        paused = _state;
    }

    function _baseURI() internal view virtual override returns (string memory) {
      return baseURI;
    }
    
    function setBaseURI(string memory baseURI_) external onlyOwner {
        baseURI = baseURI_;
    }

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

        if(revealed == false) 
        {
            return notRevealedUri;
        }

        string memory _tokenURI = super.tokenURI(tokenId);
        return bytes(_tokenURI).length > 0 ? string(abi.encodePacked(_tokenURI, ".json")) : "";
    }
}
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