statusd: les sub-command implemented, closes #159

cmd/statusd/lescmd.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/status-im/status-go/geth"
+	"github.com/status-im/status-go/geth/params"
+	"gopkg.in/urfave/cli.v1"
+)
+
+var (
+	lesCommand = cli.Command{
+		Action: lesCommandHandler,
+		Name:   "les",
+		Usage:  "Starts Light Ethereum node",
+		Flags: []cli.Flag{
+			WhisperEnabledFlag,
+			SwarmEnabledFlag,
+			HTTPEnabledFlag,
+			HTTPPortFlag,
+			IPCEnabledFlag,
+		},
+	}
+)
+
+// lesCommandHandler handles `statusd les` command
+func lesCommandHandler(ctx *cli.Context) error {
+	config, err := parseLESCommandConfig(ctx)
+	if err != nil {
+		return fmt.Errorf("can not parse config: %v", err)
+	}
+
+	fmt.Println("Starting Light Status node..")
+	if err = geth.CreateAndRunNode(config); err != nil {
+		return err
+	}
+
+	// wait till node has been stopped
+	geth.NodeManagerInstance().Node().GethStack().Wait()
+
+	return nil
+}
+
+// parseLESCommandConfig parses incoming CLI options and returns node configuration object
+func parseLESCommandConfig(ctx *cli.Context) (*params.NodeConfig, error) {
+	nodeConfig, err := makeNodeConfig(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	// Enabled sub-protocols
+	nodeConfig.LightEthConfig.Enabled = true
+	nodeConfig.WhisperConfig.Enabled = ctx.Bool(WhisperEnabledFlag.Name)
+	nodeConfig.SwarmConfig.Enabled = ctx.Bool(SwarmEnabledFlag.Name)
+
+	// RPC configuration
+	if !ctx.Bool(HTTPEnabledFlag.Name) {
+		nodeConfig.HTTPHost = "" // HTTP RPC is disabled
+	}
+	nodeConfig.HTTPPort = ctx.Int(HTTPPortFlag.Name)
+	nodeConfig.IPCEnabled = ctx.Bool(IPCEnabledFlag.Name)
+
+	return nodeConfig, nil
+}