반업주부의 일상 배움사

코인을 만들었어요. 2022.07.19 - [IT 인터넷/Blockchain] - 블록체인 하나씩 알아보기 :: ERC20 address) private nftOwners; mapping(uint256 => uint256) private nftPrices; function initialize(address coinContract, address nftContract) public onlyOwner { _coinContract = coinContract; _nftContract = nftContract; } function sellNFT(uint256 tokenId, uint256 coinAmount) public { ERC721(_nftContract).transferFrom(msg.sender, add..