28 lines
813 B
Solidity
28 lines
813 B
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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import {ERC721} from "../../../token/ERC721/ERC721.sol";
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import {Strings} from "../../../utils/Strings.sol";
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import {Base64} from "../../../utils/Base64.sol";
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contract Base64NFT is ERC721 {
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using Strings for uint256;
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constructor() ERC721("Base64NFT", "MTK") {}
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// ...
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function tokenURI(uint256 tokenId) public pure override returns (string memory) {
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// Equivalent to:
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// {
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// "name": "Base64NFT #1",
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// // Replace with extra ERC-721 Metadata properties
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// }
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// prettier-ignore
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string memory dataURI = string.concat("{\"name\": \"Base64NFT #", tokenId.toString(), "\"}");
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return string.concat("data:application/json;base64,", Base64.encode(bytes(dataURI)));
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}
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}
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