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26 lines
878 B
26 lines
878 B
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol)
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pragma solidity ^0.8.20;
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import {ERC721} from "../ERC721.sol";
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import {Context} from "../../../utils/Context.sol";
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/**
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* @title ERC721 Burnable Token
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* @dev ERC721 Token that can be burned (destroyed).
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*/
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abstract contract ERC721Burnable is Context, ERC721 {
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/**
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* @dev Burns `tokenId`. See {ERC721-_burn}.
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*
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* Requirements:
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*
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* - The caller must own `tokenId` or be an approved operator.
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*/
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function burn(uint256 tokenId) public virtual {
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// Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists
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// (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.
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_update(address(0), tokenId, _msgSender());
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}
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}
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