ptahDAO智能合约质押挖矿系统开发丨ptahDAO智能合约

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NFT链游数藏盲盒元宇宙则是将NFT、链游和数藏盲盒三种元素结合起来,打造一个全新的数字游戏世界。在这个世界中,玩家可以通过收集NFT数字资产来提升自己的游戏等级和游戏能力,也可以通过数藏盲盒获得更多的NFT数字资产。

下面是一个基于Solidity编写的智能合约示例:

typescriptCopy code
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract NFTGame is ERC721 {
    using Counters for Counters.Counter;
    Counters.Counter private _tokenIds;

    constructor() ERC721("NFTGame", "NFTG") {}

    struct NFT {
        string name;
        string description;
        string imageURI;
    }

    mapping (uint256 => NFT) private _nfts;

    function mintNFT(address recipient, string memory name, string memory description, string memory imageURI) public returns (uint256) {
        _tokenIds.increment();
        uint256 tokenId = _tokenIds.current();
        _mint(recipient, tokenId);
        _nfts[tokenId] = NFT(name, description, imageURI);
        return tokenId;
    }

    function getNFT(uint256 tokenId) public view returns (string memory, string memory, string memory) {
        require(_exists(tokenId), "NFT does not exist");
        NFT memory nft = _nfts[tokenId];
        return (nft.name, nft.description, nft.imageURI);
    }
}