// SPDX-License-Identifier: MIT pragma solidity >=0.4.22 <0.9.0; import "@openzeppelin/contracts/utils/Strings.sol"; contract OnChainSVG { constructor() {} function getSvgImage(uint uid) external pure returns (string memory){ string memory uid_str = Strings.toString(uid); string memory a = '"; return string(abi.encodePacked(a, uid_str, b)); } }