message: avoid last page empty
diff: @@ -51,7 +51,7 @@ function getBlockIndexRange(
  ): { start: number; count: number } {
  const start = endHeight - currentPage * PAGE_SIZE;
  return {
  - start,
  + start: start < 0 ? 0 : start,
  count: PAGE_SIZE
  };
  }
  