From 71b20b432c3608516d7d76032c95c7bcb9ce49bb Mon Sep 17 00:00:00 2001
From: Zach Pomerantz <zzmp@uniswap.org>
Date: Thu, 7 Apr 2022 14:26:50 -0700
Subject: [PATCH] fix: block number stability (#3684)

* fix: block number stability

* fix: chainBlock logic
---
 src/lib/hooks/useBlockNumber.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/lib/hooks/useBlockNumber.ts b/src/lib/hooks/useBlockNumber.ts
index 76aa2e713d..e3407ee18d 100644
--- a/src/lib/hooks/useBlockNumber.ts
+++ b/src/lib/hooks/useBlockNumber.ts
@@ -19,9 +19,9 @@ function useUpdateChainBlock() {
     (block: number) => {
       setChainBlock((chainBlock) => {
         if (chainBlock.chainId === chainId) {
-          if (chainBlock.block === block) return chainBlock
-          if (typeof chainBlock.block !== 'number') return { chainId, block }
-          return { chainId, block: Math.max(block, chainBlock.block) }
+          if (!chainBlock.block || chainBlock.block < block) {
+            return { chainId, block }
+          }
         }
         return chainBlock
       })