From fc60e3ff971db62e17487a1e31287b899e2a4891 Mon Sep 17 00:00:00 2001
From: Paul <108695806+pxrl@users.noreply.github.com>
Date: Tue, 6 Feb 2024 10:55:06 +0100
Subject: [PATCH] Reduce diff

---
 src/utils/FillUtils.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/utils/FillUtils.ts b/src/utils/FillUtils.ts
index 51e71fcda..b9e07b3c6 100644
--- a/src/utils/FillUtils.ts
+++ b/src/utils/FillUtils.ts
@@ -142,6 +142,8 @@ export async function getFillDataForSlowFillFromPreviousRootBundle(
   lastMatchingFillInSameBundle: FillWithBlock;
   rootBundleEndBlockContainingFirstFill: number;
 }> {
+  assert(sdkUtils.isV2Fill(fill));
+
   // Can use spokeClient.queryFillsForDeposit(_fill, spokePoolClient.eventSearchConfig.fromBlock)
   // if allValidFills doesn't contain the deposit's first fill to efficiently find the first fill for a deposit.
   // Note that allValidFills should only include fills later than than eventSearchConfig.fromBlock.