From 2c924fe8a3577ddadc5025f2c0229f071dddb3c0 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Mon, 18 Mar 2024 11:12:46 +0100
Subject: [PATCH] beacon/blsync: fix lint warnings

---
 beacon/blsync/block_sync.go      | 2 +-
 beacon/blsync/block_sync_test.go | 2 +-
 beacon/blsync/engineclient.go    | 4 +---
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/beacon/blsync/block_sync.go b/beacon/blsync/block_sync.go
index 62f581b311..ef852dfe99 100755
--- a/beacon/blsync/block_sync.go
+++ b/beacon/blsync/block_sync.go
@@ -141,6 +141,6 @@ func (s *beaconBlockSync) updateEventFeed() {
 	s.chainHeadFeed.Send(types.ChainHeadEvent{
 		BeaconHead: head.Header,
 		Block:      execBlock,
-		Finalized:  common.Hash(finality.Finalized.PayloadHeader.BlockHash()),
+		Finalized:  finality.Finalized.PayloadHeader.BlockHash(),
 	})
 }
diff --git a/beacon/blsync/block_sync_test.go b/beacon/blsync/block_sync_test.go
index 9191bc903d..73ae89ae73 100644
--- a/beacon/blsync/block_sync_test.go
+++ b/beacon/blsync/block_sync_test.go
@@ -65,7 +65,7 @@ func TestBlockSync(t *testing.T) {
 		var expNumber, headNumber uint64
 		if expHead != nil {
 			p, _ := expHead.ExecutionPayload()
-			expNumber = uint64(p.NumberU64())
+			expNumber = p.NumberU64()
 		}
 		select {
 		case event := <-headCh:
diff --git a/beacon/blsync/engineclient.go b/beacon/blsync/engineclient.go
index 3fcdc48bcd..5a2d292a7d 100644
--- a/beacon/blsync/engineclient.go
+++ b/beacon/blsync/engineclient.go
@@ -117,9 +117,7 @@ func (ec *engineClient) callNewPayload(fork string, event types.ChainHeadEvent)
 func collectBlobHashes(b *ctypes.Block) []common.Hash {
 	list := make([]common.Hash, 0)
 	for _, tx := range b.Transactions() {
-		for _, h := range tx.BlobHashes() {
-			list = append(list, h)
-		}
+		list = append(list, tx.BlobHashes()...)
 	}
 	return list
 }