Strip unused parent blob fields before parse

apps/indexer/src/normalize.ts

@@ -94,14 +94,27 @@ function sanitizeJsonString(payload: string): string {
   return result;
 }
 
+function stripUnusedBlobFields(payload: string): string {
+  return payload
+    .replace(
+      /"parent_block_header_blob":\s*"[\s\S]*?",\s*\n\s*"parent_coinbase_blob":\s*"/g,
+      "\"parent_block_header_blob\":\"[omitted]\",\n    \"parent_coinbase_blob\": \""
+    )
+    .replace(
+      /"parent_coinbase_blob":\s*"[\s\S]*?",\s*\n\s*"seed_hash":/g,
+      "\"parent_coinbase_blob\":\"[omitted]\",\n    \"seed_hash\":"
+    );
+}
+
 export function parseRpcJson<T>(value: string | undefined): T | null {
   if (!value) {
     return null;
   }
+  const stripped = stripUnusedBlobFields(value);
   try {
-    return JSON.parse(value) as T;
+    return JSON.parse(stripped) as T;
   } catch {
-    return JSON.parse(sanitizeJsonString(value)) as T;
+    return JSON.parse(sanitizeJsonString(stripped)) as T;
   }
 }