From da9e5177f92f7364945c32dd938216f5f2e9cd2e Mon Sep 17 00:00:00 2001
From: Jared Wasinger <j-wasinger@hotmail.com>
Date: Wed, 6 May 2026 15:03:49 -0400
Subject: [PATCH] set prefetcher metrics upon completion

---
 core/state/reader_eip_7928.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/state/reader_eip_7928.go b/core/state/reader_eip_7928.go
index e3f9170295..fc560f919d 100644
--- a/core/state/reader_eip_7928.go
+++ b/core/state/reader_eip_7928.go
@@ -118,6 +118,7 @@ func newPrefetchStateReaderInternal(reader StateReader, tasks []*fetchTask, nThr
 		nThreads:    nThreads,
 		done:        make(chan struct{}),
 		term:        make(chan struct{}),
+		start:       time.Now(),
 	}
 	go r.prefetch()
 	return r
@@ -145,7 +146,10 @@ func (r *prefetchStateReader) Wait() error {
 }
 
 func (r *prefetchStateReader) prefetch() {
-	defer close(r.done)
+	defer func() {
+		r.metrics = PrefetchMetrics{time.Since(r.start)}
+		close(r.done)
+	}()
 
 	if len(r.tasks) == 0 {
 		return