cmd: remove deprecated lightchaindata db (30527)

Author: gzliudan

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
 }
 

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
 }

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)
 	}