From fab2ca5888472c20791b5d92a7dd6d0db3edf39d Mon Sep 17 00:00:00 2001 From: Ramsay Date: Thu, 10 Oct 2024 21:55:12 -0700 Subject: [PATCH] Update readme.md to implement missing ERC165 - Update readme.md to implement missing ERC165 as document descripted - Update readme.md to include the doc of `onERC721Received` function --- docs/solidity-103/34_ERC721/readme.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/docs/solidity-103/34_ERC721/readme.md b/docs/solidity-103/34_ERC721/readme.md index 7edb8e14..d1528958 100644 --- a/docs/solidity-103/34_ERC721/readme.md +++ b/docs/solidity-103/34_ERC721/readme.md @@ -139,6 +139,14 @@ interface IERC721 is IERC165 { ```solidity // ERC721接收者接口：合约必须实现这个接口来通过安全转账接收ERC721 interface IERC721Receiver { + /** + * @dev 每个 {IERC721} `tokenId` 通过 {IERC721-safeTransferFrom} 由 `operator` 从 `from` 转移到 + * 该合约时，该函数会被调用。 + * + * 该函数必须返回其 Solidity selector 以确认代币的转账。 + * 如果返回了其他值，或者 tokenId 接收者没有实现该接口，则转账将被回滚。 + * + */ function onERC721Received( address operator, address from, @@ -209,7 +217,7 @@ import "./IERC721Receiver.sol"; import "./IERC721Metadata.sol"; import "./String.sol"; -contract ERC721 is IERC721, IERC721Metadata{ +contract ERC721 is IERC721, IERC165, IERC721Metadata{ using Strings for uint256; // 使用String库， // Token名称