fix hash_as_h256?

graphprotocol · May 13, 2024 · b353601 · b353601
1 parent af086dd
commit b353601
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/graph/src/blockchain/types.rs b/graph/src/blockchain/types.rs
@@ -159,6 +159,12 @@ impl BlockPtr {
     //
     // workaround for arweave
     pub fn hash_as_h256(&self) -> H256 {
+        let slice = self.hash_slice();
+
+        if slice.is_empty() {
+            return H256::zero();
+        }
+
         H256::from_slice(&self.hash_slice()[..32])
     }