From 452facf4fd795c6b3a53fe7da9655097c69045c1 Mon Sep 17 00:00:00 2001
From: rizkyikiw42 <rizzikwann@gmail.com>
Date: Thu, 13 Nov 2025 21:37:16 +0800
Subject: [PATCH] triedb/pathdb: remove unused trienode history code

---
 triedb/pathdb/history.go          | 11 -----------
 triedb/pathdb/history_trienode.go | 29 -----------------------------
 triedb/pathdb/metrics.go          |  7 -------
 3 files changed, 47 deletions(-)

diff --git a/triedb/pathdb/history.go b/triedb/pathdb/history.go
index d78999f218..fb3e1b8944 100644
--- a/triedb/pathdb/history.go
+++ b/triedb/pathdb/history.go
@@ -180,17 +180,6 @@ func newStorageIdentQuery(address common.Address, addressHash common.Hash, stora
 	}
 }
 
-// newTrienodeIdentQuery constructs a state identifier for a trie node.
-// the addressHash denotes the address hash of the associated account;
-// the path denotes the path of the node within the trie;
-//
-// nolint:unused
-func newTrienodeIdentQuery(addrHash common.Hash, path []byte) stateIdentQuery {
-	return stateIdentQuery{
-		stateIdent: newTrienodeIdent(addrHash, string(path)),
-	}
-}
-
 // history defines the interface of historical data, shared by stateHistory
 // and trienodeHistory.
 type history interface {
diff --git a/triedb/pathdb/history_trienode.go b/triedb/pathdb/history_trienode.go
index 1004106af9..fb5f34216a 100644
--- a/triedb/pathdb/history_trienode.go
+++ b/triedb/pathdb/history_trienode.go
@@ -26,12 +26,10 @@ import (
 	"math"
 	"slices"
 	"sort"
-	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/ethdb"
-	"github.com/ethereum/go-ethereum/log"
 )
 
 // Each trie node history entry consists of three parts (stored in three freezer
@@ -658,33 +656,6 @@ func (r *trienodeHistoryReader) read(owner common.Hash, path string) ([]byte, er
 	return ir.read(path)
 }
 
-// writeTrienodeHistory persists the trienode history associated with the given diff layer.
-// nolint:unused
-func writeTrienodeHistory(writer ethdb.AncientWriter, dl *diffLayer) error {
-	start := time.Now()
-	h := newTrienodeHistory(dl.rootHash(), dl.parent.rootHash(), dl.block, dl.nodes.nodeOrigin)
-	header, keySection, valueSection, err := h.encode()
-	if err != nil {
-		return err
-	}
-	// Write history data into five freezer table respectively.
-	if err := rawdb.WriteTrienodeHistory(writer, dl.stateID(), header, keySection, valueSection); err != nil {
-		return err
-	}
-	trienodeHistoryDataBytesMeter.Mark(int64(len(valueSection)))
-	trienodeHistoryIndexBytesMeter.Mark(int64(len(header) + len(keySection)))
-	trienodeHistoryBuildTimeMeter.UpdateSince(start)
-
-	log.Debug(
-		"Stored trienode history", "id", dl.stateID(), "block", dl.block,
-		"header", common.StorageSize(len(header)),
-		"keySection", common.StorageSize(len(keySection)),
-		"valueSection", common.StorageSize(len(valueSection)),
-		"elapsed", common.PrettyDuration(time.Since(start)),
-	)
-	return nil
-}
-
 // readTrienodeMetadata resolves the metadata of the specified trienode history.
 // nolint:unused
 func readTrienodeMetadata(reader ethdb.AncientReader, id uint64) (*trienodeMetadata, error) {
diff --git a/triedb/pathdb/metrics.go b/triedb/pathdb/metrics.go
index 31c40053fc..da0aa99d37 100644
--- a/triedb/pathdb/metrics.go
+++ b/triedb/pathdb/metrics.go
@@ -73,13 +73,6 @@ var (
 	stateHistoryDataBytesMeter  = metrics.NewRegisteredMeter("pathdb/history/state/bytes/data", nil)
 	stateHistoryIndexBytesMeter = metrics.NewRegisteredMeter("pathdb/history/state/bytes/index", nil)
 
-	//nolint:unused
-	trienodeHistoryBuildTimeMeter = metrics.NewRegisteredResettingTimer("pathdb/history/trienode/time", nil)
-	//nolint:unused
-	trienodeHistoryDataBytesMeter = metrics.NewRegisteredMeter("pathdb/history/trienode/bytes/data", nil)
-	//nolint:unused
-	trienodeHistoryIndexBytesMeter = metrics.NewRegisteredMeter("pathdb/history/trienode/bytes/index", nil)
-
 	stateIndexHistoryTimer      = metrics.NewRegisteredResettingTimer("pathdb/history/state/index/time", nil)
 	stateUnindexHistoryTimer    = metrics.NewRegisteredResettingTimer("pathdb/history/state/unindex/time", nil)
 	trienodeIndexHistoryTimer   = metrics.NewRegisteredResettingTimer("pathdb/history/trienode/index/time", nil)