From 00cf8ebad908802b9d35b2d5a7e273c02bf38dc5 Mon Sep 17 00:00:00 2001
From: Alex Sharov <AskAlexSharov@gmail.com>
Date: Sun, 3 Nov 2024 14:50:09 +0700
Subject: [PATCH] fix main lint (#12587)

---
 erigon-lib/state/state_recon.go | 129 --------------------------------
 1 file changed, 129 deletions(-)

diff --git a/erigon-lib/state/state_recon.go b/erigon-lib/state/state_recon.go
index 623949e58d8..e3956b9ca3c 100644
--- a/erigon-lib/state/state_recon.go
+++ b/erigon-lib/state/state_recon.go
@@ -18,10 +18,7 @@ package state
 
 import (
 	"bytes"
-	"encoding/binary"
 
-	"github.com/erigontech/erigon-lib/recsplit"
-	"github.com/erigontech/erigon-lib/recsplit/eliasfano32"
 	"github.com/erigontech/erigon-lib/seg"
 )
 
@@ -90,129 +87,3 @@ func (rh ReconHeapOlderFirst) Less(i, j int) bool {
 	}
 	return c < 0
 }
-
-type ScanIteratorInc struct {
-	g         *seg.Getter
-	key       []byte
-	nextTxNum uint64
-	hasNext   bool
-}
-
-func (sii *ScanIteratorInc) advance() {
-	if !sii.hasNext {
-		return
-	}
-	if sii.key == nil {
-		sii.hasNext = false
-		return
-	}
-	val, _ := sii.g.NextUncompressed()
-	max := eliasfano32.Max(val)
-	sii.nextTxNum = max
-	if sii.g.HasNext() {
-		sii.key, _ = sii.g.NextUncompressed()
-	} else {
-		sii.key = nil
-	}
-}
-
-func (sii *ScanIteratorInc) HasNext() bool {
-	return sii.hasNext
-}
-
-func (sii *ScanIteratorInc) Next() (uint64, error) {
-	n := sii.nextTxNum
-	sii.advance()
-	return n, nil
-}
-
-func (hs *HistoryStep) iterateTxs() *ScanIteratorInc {
-	var sii ScanIteratorInc
-	sii.g = hs.indexFile.getter
-	sii.g.Reset(0)
-	if sii.g.HasNext() {
-		sii.key, _ = sii.g.NextUncompressed()
-		sii.hasNext = true
-	} else {
-		sii.hasNext = false
-	}
-	sii.advance()
-	return &sii
-}
-
-type HistoryIteratorInc struct {
-	uptoTxNum    uint64
-	indexG       *seg.Getter
-	historyG     *seg.Getter
-	r            *recsplit.IndexReader
-	key          []byte
-	nextKey      []byte
-	nextVal      []byte
-	hasNext      bool
-	compressVals bool
-}
-
-func (hs *HistoryStep) interateHistoryBeforeTxNum(txNum uint64) *HistoryIteratorInc {
-	var hii HistoryIteratorInc
-	hii.indexG = hs.indexFile.getter
-	hii.historyG = hs.historyFile.getter
-	hii.r = hs.historyFile.reader
-	hii.compressVals = hs.compressVals
-	hii.indexG.Reset(0)
-	if hii.indexG.HasNext() {
-		hii.key, _ = hii.indexG.NextUncompressed()
-		hii.uptoTxNum = txNum
-		hii.hasNext = true
-	} else {
-		hii.hasNext = false
-	}
-	hii.advance()
-	return &hii
-}
-
-func (hii *HistoryIteratorInc) advance() {
-	if !hii.hasNext {
-		return
-	}
-	if hii.key == nil {
-		hii.hasNext = false
-		return
-	}
-	hii.nextKey = nil
-	for hii.nextKey == nil && hii.key != nil {
-		val, _ := hii.indexG.NextUncompressed()
-		n, ok := eliasfano32.Seek(val, hii.uptoTxNum)
-		if ok {
-			var txKey [8]byte
-			binary.BigEndian.PutUint64(txKey[:], n)
-			offset, ok := hii.r.Lookup2(txKey[:], hii.key)
-			if ok {
-				hii.historyG.Reset(offset)
-				hii.nextKey = hii.key
-				if hii.compressVals {
-					hii.nextVal, _ = hii.historyG.Next(nil)
-				} else {
-					hii.nextVal, _ = hii.historyG.NextUncompressed()
-				}
-			}
-		}
-		if hii.indexG.HasNext() {
-			hii.key, _ = hii.indexG.NextUncompressed()
-		} else {
-			hii.key = nil
-		}
-	}
-	if hii.nextKey == nil {
-		hii.hasNext = false
-	}
-}
-
-func (hii *HistoryIteratorInc) HasNext() bool {
-	return hii.hasNext
-}
-
-func (hii *HistoryIteratorInc) Next() ([]byte, []byte, error) {
-	k, v := hii.nextKey, hii.nextVal
-	hii.advance()
-	return k, v, nil
-}