initial port of cosmos-sdk basecli proxy

cmd/tendermint/commands/lite.go

@@ -0,0 +1,60 @@
+package commands
+
+import (
+	"github.com/spf13/cobra"
+
+	cmn "github.com/tendermint/tmlibs/common"
+
+	"github.com/tendermint/tendermint/lite/proxy"
+	rpcclient "github.com/tendermint/tendermint/rpc/client"
+)
+
+// LiteCmd represents the base command when called without any subcommands
+var LiteCmd = &cobra.Command{
+	Use:   "lite",
+	Short: "Run lite-client proxy server, verifying tendermint rpc",
+	Long: `This node will run a secure proxy to a tendermint rpc server.
+
+All calls that can be tracked back to a block header by a proof
+will be verified before passing them back to the caller. Other that
+that it will present the same interface as a full tendermint node,
+just with added trust and running locally.`,
+	RunE:         runProxy,
+	SilenceUsage: true,
+}
+
+var (
+	listenAddr string
+	nodeAddr   string
+	chainID    string
+	home       string
+)
+
+func init() {
+	LiteCmd.Flags().StringVar(&listenAddr, "laddr", ":8888", "Serve the proxy on the given port")
+	LiteCmd.Flags().StringVar(&nodeAddr, "node", "localhost:46657", "Connect to a Tendermint node at this address")
+	LiteCmd.Flags().StringVar(&chainID, "chain-id", "tendermint", "Specify the Tendermint chain ID")
+	LiteCmd.Flags().StringVar(&home, "home-dir", ".tendermint-lite", "Specify the home directory")
+}
+
+func runProxy(cmd *cobra.Command, args []string) error {
+	// First, connect a client
+	node := rpcclient.NewHTTP(nodeAddr, "/websocket")
+
+	cert, err := proxy.GetCertifier(chainID, home, nodeAddr)
+	if err != nil {
+		return err
+	}
+	sc := proxy.SecureClient(node, cert)
+
+	err = proxy.StartProxy(sc, listenAddr, logger)
+	if err != nil {
+		return err
+	}
+
+	cmn.TrapSignal(func() {
+		// TODO: close up shop
+	})
+
+	return nil
+}

cmd/tendermint/main.go

@@ -15,6 +15,7 @@ func main() {
 		cmd.GenValidatorCmd,
 		cmd.InitFilesCmd,
 		cmd.ProbeUpnpCmd,
+		cmd.LiteCmd,
 		cmd.ReplayCmd,
 		cmd.ReplayConsoleCmd,
 		cmd.ResetAllCmd,