Avoids edge case causing missing blocks due to backfilling blocks ahead of the event scraper.

Author: Andrés Elizondo

src/scripts/pull_and_save_block_events.ts

@@ -363,6 +363,7 @@ export class BlockEventsScraper {
             `SELECT DISTINCT block_number
              FROM ${SCHEMA}.tx_backfill
              WHERE done = false
+             AND block_number < (select max(block_number) from ${SCHEMA}.blocks)
              ORDER BY block_number
              LIMIT ${MAX_BLOCKS_TO_PULL}`,
         );