Add Query; Add TMSPClient

cmd/tmsp-cli/tmsp-cli.go

@@ -23,8 +23,8 @@ var conn net.Conn
 
 func main() {
 	app := cli.NewApp()
-	app.Name = "cli"
-	app.Usage = "cli [command] [args...]"
+	app.Name = "tmsp-cli"
+	app.Usage = "tmsp-cli [command] [args...]"
 	app.Flags = []cli.Flag{
 		cli.StringFlag{
 			Name:  "address",
@@ -89,6 +89,13 @@ func main() {
 				cmdGetHash(c)
 			},
 		},
+		{
+			Name:  "query",
+			Usage: "Query application state",
+			Action: func(c *cli.Context) {
+				cmdQuery(c)
+			},
+		},
 	}
 	app.Before = before
 	app.Run(os.Args)
@@ -234,6 +241,29 @@ func cmdGetHash(c *cli.Context) {
 	fmt.Printf("%X\n", res.(types.ResponseGetHash).Hash)
 }
 
+// Query application state
+func cmdQuery(c *cli.Context) {
+	args := c.Args()
+	if len(args) != 1 {
+		Exit("append_tx takes 1 argument")
+	}
+	queryString := args[0]
+	query := []byte(queryString)
+	if len(queryString) > 2 && strings.HasPrefix(queryString, "0x") {
+		var err error
+		query, err = hex.DecodeString(queryString[2:])
+		if err != nil {
+			Exit(err.Error())
+		}
+	}
+
+	res, err := makeRequest(conn, types.RequestQuery{query})
+	if err != nil {
+		Exit(err.Error())
+	}
+	fmt.Println("->", res)
+}
+
 //--------------------------------------------------------------------------------
 
 func makeRequest(conn net.Conn, req types.Request) (types.Response, error) {