From b7bd132a7ef33f066776f353c62d54ad0f5e99f0 Mon Sep 17 00:00:00 2001
From: jonny rhea <5555162+jrhea@users.noreply.github.com>
Date: Tue, 3 Mar 2026 12:19:28 -0600
Subject: [PATCH] miner: enable trie prefetcher in block builder

---
 miner/worker.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/miner/worker.go b/miner/worker.go
index b5fb7a344d..1f3a3a63bf 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -306,13 +306,14 @@ func (miner *Miner) makeEnv(parent *types.Header, header *types.Header, coinbase
 	if err != nil {
 		return nil, err
 	}
+	var bundle *stateless.Witness
 	if witness {
-		bundle, err := stateless.NewWitness(header, miner.chain)
+		bundle, err = stateless.NewWitness(header, miner.chain)
 		if err != nil {
 			return nil, err
 		}
-		state.StartPrefetcher("miner", bundle, nil)
 	}
+	state.StartPrefetcher("miner", bundle, nil)
 	// Note the passed coinbase may be different with header.Coinbase.
 	return &environment{
 		signer:   types.MakeSigner(miner.chainConfig, header.Number, header.Time),