params: require nil BlobScheduleConfig for OP-Stack chains

ethereum-optimism · Feb 25, 2025 · 2254ad5 · 2254ad5
1 parent 1fb8462
commit 2254ad5
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/params/config.go b/params/config.go
@@ -878,9 +878,13 @@ func (c *ChainConfig) CheckConfigForkOrder() error {
 		}
 	}
 
-	// OP-Stack chains don't support blobs, so don't need a BlobScheduleConfig.
+	// OP-Stack chains don't support blobs, and must have a nil BlobScheduleConfig.
 	if c.IsOptimism() {
-		return nil
+		if c.BlobScheduleConfig == nil {
+			return nil
+		} else {
+			return errors.New("OP-Stack chains must have empty blob configuration")
+		}
 	}
 
 	// Check that all forks with blobs explicitly define the blob schedule configuration.