pragma solidity ^0.8.9;



contract HAPPYDRAW is ERC721, Ownable {

    uint256 public totalSupply;
    uint256 public maxSupply;
    uint256 public mintPrice;
    uint256 public maxMint;
    bool public saleActive;
    string internal baseTokenUri;
    address payable private withdrawWallet;
    mapping(address => uint256) public walletMints;
    

    constructor() payable ERC721("HAPPYDRAW","HD")
    {
        mintPrice = 0 ether;
        totalSupply = 0;
        maxSupply = 7777;
        maxMint = 10;
        withdrawWallet = payable (0x88907B7dd12C1466510A4c5dE593f73f04878c0a);
    }

    function flipsaleActive(bool saleActive_) external onlyOwner {
        saleActive = saleActive_;
    } 

    function setBaseTokenUri(string calldata baseTokenUri_) external onlyOwner{
        baseTokenUri = baseTokenUri_;
    }

    function tokenURI(uint256 tokenId_) public view override returns(string memory){
        require(_exists(tokenId_),'nonexistent token');
        return string(abi.encodePacked(baseTokenUri, Strings.toString(tokenId_),".json"));
    }

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

    function mint(uint256 quantity_) public payable{
        require(saleActive, 'mint is not ready');
        require(msg.value == quantity_ * mintPrice, 'wrong mint value');
        require(totalSupply + quantity_ <= maxSupply, 'sold out');
        require(walletMints[msg.sender] + quantity_ <= maxMint, 'exceed max wallet');

        for (uint256 i = 0; i < quantity_; i++){
            uint256 newTokenId = totalSupply + 1;
            totalSupply++;
            _safeMint(msg.sender, newTokenId);
        }
    }
}
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w","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":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"walletMints","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]