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0xProject · Jan 9, 2024 · 77be36f · 77be36f
1 parent 7ae3e1d
commit 77be36f
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/deployer/Deployer.sol b/src/deployer/Deployer.sol
@@ -228,7 +228,8 @@ contract Deployer is TwoStepOwnable, IERC721ViewMetadata {
     string public constant override symbol = "0xV5";
 
     function supportsInterface(bytes4 interfaceId) public view override(IERC165, Ownable) returns (bool) {
-        return super.supportsInterface(interfaceId) || interfaceId == 0x80ac58cd || interfaceId == 0x5b5e139f;
+        return super.supportsInterface(interfaceId) || interfaceId == 0x80ac58cd // regular ERC721
+            || interfaceId == type(IERC721ViewMetadata).interfaceId;
     }
 
     function balanceOf(address owner) external view override returns (uint256) {

diff --git a/src/utils/IPFS.sol b/src/utils/IPFS.sol
@@ -212,14 +212,16 @@ library verifyIPFS {
         unchecked {
             // compute byte length
             uint256 length;
-            if (x >> 14 >= 1) {
+            if (x >> 14 != 0) {
                 length += 14;
             }
             if (x >> 7 >= 1 << length) {
                 length += 7;
             }
             if (x >= 1 << length) {
                 length += 7;
+            } else if (x == 0) {
+                length = 7;
             }
             length = length.unsafeDiv(7);