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- // SPDX-License-Identifier: MIT
- // OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC4906.sol)
- pragma solidity ^0.8.19;
- import {IERC165} from "./IERC165.sol";
- import {IERC721} from "./IERC721.sol";
- /// @title EIP-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);
- }
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