Expose address in keyinfo, add get command

cmd/README.md

@@ -10,6 +10,7 @@ the commands, and give feedback and changes.
 
 ```
 # keys help
+
 Keys allows you to manage your local keystore for tendermint.
 
 These keys may be in any format supported by go-crypto and can be
@@ -20,6 +21,7 @@ Usage:
   keys [command]
 
 Available Commands:
+  get         Get details of one key
   list        List all keys
   new         Create a new public/private key pair
   serve       Run the key manager as an http server
@@ -30,7 +32,8 @@ Flags:
   -o, --output string   Output format (text|json) (default "text")
   -r, --root string     root directory for config and data (default "/Users/ethan/.tlc")
 
-Use "keys [command] --help" for more information about a command.```
+Use "keys [command] --help" for more information about a command.
+```
 
 ## Getting the config file
 
@@ -42,6 +45,8 @@ The first step is to load in root, by checking the following in order:
 
 Once the `rootDir` is established, the script looks for a config file named `keys.{json,toml,yaml,hcl}` in that directory and parses it.  These values will provide defaults for flags of the same name.
 
+There is an example config file for testing out locally, which writes keys to `./.mykeys`.  You can
+
 ## Getting/Setting variables
 
 When we want to get the value of a user-defined variable (eg. `output`), we can call `viper.GetString("output")`, which will do the following checks, until it finds a match:

cmd/get.go

@@ -0,0 +1,47 @@
+// Copyright © 2017 Ethan Frey
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// getCmd represents the get command
+var getCmd = &cobra.Command{
+	Use:   "get <name>",
+	Short: "Get details of one key",
+	Long:  `Return public details of one local key.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) != 1 || len(args[0]) == 0 {
+			fmt.Println("You must provide a name for the key")
+			return
+		}
+		name := args[0]
+
+		info, err := manager.Get(name)
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		printInfo(info)
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(getCmd)
+}

cmd/root.go

@@ -84,7 +84,8 @@ func bindFlags(cmd *cobra.Command, args []string) error {
 
 	// If a config file is found, read it in.
 	if err := viper.ReadInConfig(); err == nil {
-		fmt.Println("Using config file:", viper.ConfigFileUsed())
+		// stderr, so if we redirect output to json file, this doesn't appear
+		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
 	}
 
 	return validateFlags(cmd)

cmd/update.go

@@ -22,7 +22,7 @@ import (
 
 // updateCmd represents the update command
 var updateCmd = &cobra.Command{
-	Use:   "update",
+	Use:   "update <name>",
 	Short: "Change the password for a private key",
 	Long:  `Change the password for a private key.`,
 	Run:   updatePassword,

cmd/utils.go

@@ -41,11 +41,15 @@ func getCheckPassword(prompt, prompt2 string) (string, error) {
 func printInfo(info keys.Info) {
 	switch output {
 	case "text":
-		key, err := data.ToText(info.PubKey)
+		addr, err := data.ToText(info.Address)
 		if err != nil {
 			panic(err) // really shouldn't happen...
 		}
-		fmt.Printf("%s\t%s\n", info.Name, key)
+		sep := "\t\t"
+		if len(info.Name) > 7 {
+			sep = "\t"
+		}
+		fmt.Printf("%s%s%s\n", info.Name, sep, addr)
 	case "json":
 		json, err := data.ToJSON(info)
 		if err != nil {