From de0e6724bf70e816655c5f50858d9aba99bbe433 Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Wed, 2 Nov 2022 22:39:49 -0400
Subject: [PATCH] Remove error case which shouldn't be an error

---
 substrate/tendermint/client/src/block_import.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/substrate/tendermint/client/src/block_import.rs b/substrate/tendermint/client/src/block_import.rs
index 64c989c0..be8926ac 100644
--- a/substrate/tendermint/client/src/block_import.rs
+++ b/substrate/tendermint/client/src/block_import.rs
@@ -47,6 +47,9 @@ where
     mut block: BlockImportParams<T::Block, Self::Transaction>,
     new_cache: HashMap<CacheKeyId, Vec<u8>>,
   ) -> Result<ImportResult, Self::Error> {
+    if self.client.status(BlockId::Hash(block.hash)).unwrap() == BlockStatus::InChain {
+      return Ok(ImportResult::AlreadyInChain);
+    }
     self.check(&mut block).await?;
     self.client.import_block(block, new_cache).await.map_err(Into::into)