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openzeppelin-contracts/contracts/token/ERC721/extensions/ERC721Royalty.sol
github-actions[bot] 3e6c86392c Merge release-v5.0 branch (#4665)
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1.2 KiB
Solidity

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/ERC721Royalty.sol)
pragma solidity ^0.8.20;
import {ERC721} from "../ERC721.sol";
import {ERC2981} from "../../common/ERC2981.sol";
/**
* @dev Extension of ERC721 with the ERC2981 NFT Royalty Standard, a standardized way to retrieve royalty payment
* information.
*
* Royalty information can be specified globally for all token ids via {ERC2981-_setDefaultRoyalty}, and/or individually
* for specific token ids via {ERC2981-_setTokenRoyalty}. The latter takes precedence over the first.
*
* IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
* https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
* voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
*/
abstract contract ERC721Royalty is ERC2981, ERC721 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, ERC2981) returns (bool) {
return super.supportsInterface(interfaceId);
}
}