NFT Tutorial Lee Ting Ting

nft_tutorial.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import "@openzeppelin/contracts@4.9.3/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts@4.9.3/access/Ownable.sol";

contract MyToken is ERC721, Ownable {
    constructor() ERC721("MyToken", "MTK") {}

    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        return "https://bafkreigzt6qqqijgsz7sof3ru2hxif6rtqixi3ocbjmuw2xykkiazowj5i.ipfs.nftstorage.link/";
    }

    function safeMint(address to, uint256 tokenId) public onlyOwner {
        _safeMint(to, tokenId);
    }
}