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Partially finish ERC721

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This commit is contained in:
ernestognw
2023-08-14 17:54:08 -06:00
parent be6656de90
commit 6d582a3c02
5 changed files with 109 additions and 118 deletions
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4
certora/harnesses/ERC721Harness.sol
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@ -2,7 +2,7 @@
pragma solidity ^0.8.20;
import "../patched/token/ERC721/ERC721.sol";
import {ERC721} from "../patched/token/ERC721/ERC721.sol";
contract ERC721Harness is ERC721 {
constructor(string memory name, string memory symbol) ERC721(name, symbol) {}
@ -24,7 +24,7 @@ contract ERC721Harness is ERC721 {
}
function tokenExists(uint256 tokenId) external view returns (bool) {
return _exists(tokenId);
return _ownerOf(tokenId) != address(0);
}
function unsafeOwnerOf(uint256 tokenId) external view returns (address) {