cmd: allow --networkid to override other config options

Author: lightclient

cmd/utils/flags.go

@@ -1610,7 +1610,7 @@ func setRequiredBlocks(ctx *cli.Context, cfg *ethconfig.Config) {
 // SetEthConfig applies eth-related command line flags to the config.
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	// Avoid conflicting network flags, don't allow network id override on preset networks
-	flags.CheckExclusive(ctx, MainnetFlag, DeveloperFlag, SepoliaFlag, HoleskyFlag, HoodiFlag, NetworkIdFlag, OverrideGenesisFlag)
+	flags.CheckExclusive(ctx, MainnetFlag, DeveloperFlag, SepoliaFlag, HoleskyFlag, HoodiFlag, OverrideGenesisFlag)
 	flags.CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
 
 	// Set configurations from CLI flags
@@ -1657,9 +1657,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 	}
 
-	if ctx.IsSet(NetworkIdFlag.Name) {
-		cfg.NetworkId = ctx.Uint64(NetworkIdFlag.Name)
-	}
 	if ctx.IsSet(CacheFlag.Name) || ctx.IsSet(CacheDatabaseFlag.Name) {
 		cfg.DatabaseCache = ctx.Int(CacheFlag.Name) * ctx.Int(CacheDatabaseFlag.Name) / 100
 	}
@@ -1909,10 +1906,15 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = genesis
 	default:
-		if cfg.NetworkId == 1 {
+		if ctx.Uint64(NetworkIdFlag.Name) == 1 {
 			SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 		}
 	}
+	if ctx.IsSet(NetworkIdFlag.Name) {
+		id := ctx.Uint64(NetworkIdFlag.Name)
+		log.Warn("Setting network id with flag", "id", id)
+		cfg.NetworkId = id
+	}
 	// Set any dangling config values
 	if ctx.String(CryptoKZGFlag.Name) != "gokzg" && ctx.String(CryptoKZGFlag.Name) != "ckzg" {
 		Fatalf("--%s flag must be 'gokzg' or 'ckzg'", CryptoKZGFlag.Name)