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// SPDX-License-Identifier: UNLICENSED | |
pragma solidity ^0.8.0; | |
import "@openzeppelin/contracts/utils/Strings.sol"; | |
import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; | |
import "@openzeppelin/contracts/access/Ownable.sol"; | |
import "@openzeppelin/contracts/utils/Counters.sol"; | |
import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; | |
import "./IContent.sol"; | |
import "hardhat/console.sol"; | |
contract MyNFT is ERC721, Ownable, ReentrancyGuard { | |
using Counters for Counters.Counter; | |
Counters.Counter private _tokenIds; | |
mapping(uint256 => IContent.Item) Content; | |
uint256 price = 5000000000000000; | |
address public renderingContractAddress; | |
event NewItem(address sender, uint256 tokenId, string name); | |
constructor() ERC721("MYNFT", "MYCOLLECTION") {} | |
function GenerateNFT( | |
string calldata ItemName, | |
string calldata description, | |
uint256[6] calldata Magic | |
) public payable virtual { | |
require(msg.value >= price, "Not enough ETH sent; check price!"); | |
uint256 newItemId = _tokenIds.current(); | |
if (newItemId >= 10000) { | |
revert("This NFT is sold out."); | |
} | |
IContent.Item memory Item; | |
Item.name = ItemName; | |
Item.magic = Magic; | |
Item.seed = uint256( | |
keccak256( | |
abi.encodePacked( | |
newItemId, | |
msg.sender, | |
block.difficulty, | |
block.timestamp | |
) | |
) | |
); | |
_safeMint(msg.sender, newItemId); | |
Content[newItemId] = Item; | |
emit NewItem(msg.sender, newItemId, ItemName); | |
_tokenIds.increment(); | |
} | |
function setRenderingContractAddress(address _renderingContractAddress) | |
public | |
onlyOwner | |
{ | |
renderingContractAddress = _renderingContractAddress; | |
} | |
function setPrice(uint256 _price) public onlyOwner { | |
price = _price; | |
} | |
function totalContent() public view virtual returns (uint256) { | |
return _tokenIds.current(); | |
} | |
function tokenURI(uint256 _tokenId) | |
public | |
view | |
virtual | |
override | |
returns (string memory) | |
{ | |
require( | |
_exists(_tokenId), | |
"ERC721Metadata: URI query for nonexistent token" | |
); | |
if (renderingContractAddress == address(0)) { | |
return ""; | |
} | |
IItemRenderer renderer = IItemRenderer(renderingContractAddress); | |
return renderer.tokenURI(_tokenId, Content[_tokenId]); | |
} | |
function withdraw() public onlyOwner nonReentrant { | |
(bool success, ) = msg.sender.call{value: address(this).balance}(""); | |
require(success, "Withdrawal failed"); | |
} | |
} |
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