added use of Cobra CLI

squash

cmd/tendermint/commands/run_node.go

@@ -0,0 +1,69 @@
+package commands
+
+import (
+	"io/ioutil"
+	"time"
+
+	"github.com/spf13/cobra"
+
+	. "github.com/tendermint/go-common"
+	"github.com/tendermint/tendermint/node"
+	"github.com/tendermint/tendermint/types"
+)
+
+var runNodeCmd = &cobra.Command{
+	Use:   "node",
+	Short: "Run the tendermint node",
+	Run:   runNode,
+}
+
+func init() {
+	RootCmd.AddCommand(runNodeCmd)
+}
+
+// Users wishing to:
+//	* Use an external signer for their validators
+//	* Supply an in-proc abci app
+// should import github.com/tendermint/tendermint/node and implement
+// their own run_node to call node.NewNode (instead of node.NewNodeDefault)
+// with their custom priv validator and/or custom proxy.ClientCreator
+func runNode(cmd *cobra.Command, args []string) {
+
+	// Wait until the genesis doc becomes available
+	// This is for Mintnet compatibility.
+	// TODO: If Mintnet gets deprecated or genesis_file is
+	// always available, remove.
+	genDocFile := config.GetString("genesis_file")
+	if !FileExists(genDocFile) {
+		log.Notice(Fmt("Waiting for genesis file %v...", genDocFile))
+		for {
+			time.Sleep(time.Second)
+			if !FileExists(genDocFile) {
+				continue
+			}
+			jsonBlob, err := ioutil.ReadFile(genDocFile)
+			if err != nil {
+				Exit(Fmt("Couldn't read GenesisDoc file: %v", err))
+			}
+			genDoc, err := types.GenesisDocFromJSON(jsonBlob)
+			if err != nil {
+				Exit(Fmt("Error reading GenesisDoc: %v", err))
+			}
+			if genDoc.ChainID == "" {
+				Exit(Fmt("Genesis doc %v must include non-empty chain_id", genDocFile))
+			}
+			config.Set("chain_id", genDoc.ChainID)
+		}
+	}
+
+	// Create & start node
+	n := node.NewNodeDefault(config)
+	if _, err := n.Start(); err != nil {
+		Exit(Fmt("Failed to start node: %v", err))
+	} else {
+		log.Notice("Started node", "nodeInfo", n.Switch().NodeInfo())
+	}
+
+	// Trap signal, run forever.
+	n.RunForever()
+}