updated tweak2

src/mappings/dfRewards.ts

@@ -58,7 +58,7 @@ export function handleClaimed(event: Claimed): void {
   history.timestamp = event.block.timestamp
   history.tx = event.transaction.hash.toHex()
   history.block = event.block.number.toI32()
-  history.eventId = event.logIndex
+  history.eventIndex = event.logIndex
   history.save()
 
   // update available claims