embed rpcdaemon: enable it only by --http flag (#3574)

cmd/rpcdaemon/cli/httpcfg/http_cfg.go

@@ -6,6 +6,7 @@ import (
 )
 
 type HttpCfg struct {
+	Enabled                 bool
 	PrivateApiAddr          string
 	SingleNodeMode          bool // Erigon's database can be read by separated processes on same machine - in read-only mode - with full support of transactions. It will share same "OS PageCache" with Erigon process.
 	Datadir                 string

eth/backend.go

@@ -533,6 +533,7 @@ func New(stack *node.Node, config *ethconfig.Config, txpoolCfg txpool2.Config, l
 
 	// start HTTP API
 	httpRpcCfg := stack.Config().Http
+	if httpRpcCfg.Enabled {
 		ethRpcClient, txPoolRpcClient, miningRpcClient, starkNetRpcClient, stateCache, ff, err := cli.EmbeddedServices(
 			ctx, chainKv, httpRpcCfg.StateCache, blockReader,
 			ethBackendRPC,
@@ -554,6 +555,7 @@ func New(stack *node.Node, config *ethconfig.Config, txpoolCfg txpool2.Config, l
 				return
 			}
 		}()
+	}
 
 	// Register the backend on the node
 	stack.RegisterAPIs(backend.APIs())

turbo/cli/flags.go

@@ -286,6 +286,7 @@ func ApplyFlagsForNodeConfig(ctx *cli.Context, cfg *node.Config) {
 
 func setEmbeddedRpcDaemon(ctx *cli.Context, cfg *node.Config) {
 	c := &httpcfg.HttpCfg{
+		Enabled:   ctx.GlobalBool(utils.HTTPEnabledFlag.Name),
 		Datadir:   cfg.DataDir,
 		Chaindata: filepath.Join(cfg.DataDir, "chaindata"),