dexorder

lib_openzeppelin_contracts/contracts/interfaces/IERC4906.sol

@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC4906.sol)
+
+pragma solidity ^0.8.20;
+
+import {IERC165} from "./IERC165.sol";
+import {IERC721} from "./IERC721.sol";
+
+/// @title ERC-721 Metadata Update Extension
+interface IERC4906 is IERC165, IERC721 {
+    /// @dev This event emits when the metadata of a token is changed.
+    /// So that the third-party platforms such as NFT market could
+    /// timely update the images and related attributes of the NFT.
+    event MetadataUpdate(uint256 _tokenId);
+
+    /// @dev This event emits when the metadata of a range of tokens is changed.
+    /// So that the third-party platforms such as NFT market could
+    /// timely update the images and related attributes of the NFTs.
+    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
+}