From 2f349da4bf1cf356428e7957a37f267055cad1cc Mon Sep 17 00:00:00 2001
From: Daniel Liu <liudaniel@qq.com>
Date: Fri, 7 Mar 2025 13:18:49 +0800
Subject: [PATCH] cmd: remove deprecated lightchaindata db (#30527)

---
 cmd/XDC/chaincmd.go | 21 ++++++++++-----------
 cmd/XDC/dbcmd.go    | 13 ++++++-------
 cmd/utils/flags.go  |  6 +-----
 3 files changed, 17 insertions(+), 23 deletions(-)

diff --git a/cmd/XDC/chaincmd.go b/cmd/XDC/chaincmd.go
index 0be0df8c28..e43319bdcc 100644
--- a/cmd/XDC/chaincmd.go
+++ b/cmd/XDC/chaincmd.go
@@ -206,18 +206,17 @@ func initGenesis(ctx *cli.Context) error {
 	stack, _ := makeFullNode(ctx)
 	defer stack.Close()
 
-	for _, name := range []string{"chaindata", "lightchaindata"} {
-		chaindb, err := stack.OpenDatabase(name, 0, 0, "", false)
-		if err != nil {
-			utils.Fatalf("Failed to open database: %v", err)
-		}
-		_, hash, err := core.SetupGenesisBlock(chaindb, genesis)
-		if err != nil {
-			utils.Fatalf("Failed to write genesis block: %v", err)
-		}
-		chaindb.Close()
-		log.Info("Successfully wrote genesis state", "database", name, "hash", hash)
+	name := "chaindata"
+	chaindb, err := stack.OpenDatabase(name, 0, 0, "", false)
+	if err != nil {
+		utils.Fatalf("Failed to open database: %v", err)
 	}
+	_, hash, err := core.SetupGenesisBlock(chaindb, genesis)
+	if err != nil {
+		utils.Fatalf("Failed to write genesis block: %v", err)
+	}
+	chaindb.Close()
+	log.Info("Successfully wrote genesis state", "database", name, "hash", hash)
 	return nil
 }
 
diff --git a/cmd/XDC/dbcmd.go b/cmd/XDC/dbcmd.go
index cec7925ca2..ed66025cf3 100644
--- a/cmd/XDC/dbcmd.go
+++ b/cmd/XDC/dbcmd.go
@@ -148,13 +148,12 @@ WARNING: This is a low-level operation which may cause database corruption!`,
 
 func removeDB(ctx *cli.Context) error {
 	stack, _ := makeConfigNode(ctx)
-	for _, name := range []string{"chaindata", "lightchaindata"} {
-		dbdir := stack.ResolvePath(name)
-		if common.FileExist(dbdir) {
-			confirmAndRemoveDB(dbdir, name)
-		} else {
-			log.Info("Database doesn't exist, skipping", "path", dbdir)
-		}
+	name := "chaindata"
+	dbdir := stack.ResolvePath(name)
+	if common.FileExist(dbdir) {
+		confirmAndRemoveDB(dbdir, name)
+	} else {
+		log.Info("Database doesn't exist, skipping", "path", dbdir)
 	}
 	return nil
 }
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 5ac1aa3029..f22aefd285 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1565,11 +1565,7 @@ func MakeChainDatabase(ctx *cli.Context, stack *node.Node, readonly bool) ethdb.
 		cache   = ctx.Int(CacheFlag.Name) * ctx.Int(CacheDatabaseFlag.Name) / 100
 		handles = MakeDatabaseHandles(ctx.Int(FDLimitFlag.Name))
 	)
-	name := "chaindata"
-	if ctx.String(SyncModeFlag.Name) == "light" {
-		name = "lightchaindata"
-	}
-	chainDb, err := stack.OpenDatabase(name, cache, handles, "", readonly)
+	chainDb, err := stack.OpenDatabase("chaindata", cache, handles, "", readonly)
 	if err != nil {
 		Fatalf("Could not open database: %v", err)
 	}