From fe1f2a470c8c2c9d363fe6943cf630f6ced2d969 Mon Sep 17 00:00:00 2001
From: Miguel Mota <miguelmota2@gmail.com>
Date: Fri, 20 Jul 2018 00:44:36 -0700
Subject: [PATCH] update makefile

---
 Makefile        |  8 ++++++++
 example/keys.go | 21 ++++++++++++++-------
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index c9c9c48..ddbd030 100644
--- a/Makefile
+++ b/Makefile
@@ -29,3 +29,11 @@ run/example/1:
 .PHONY: run/example/2
 run/example/2:
 	@go run example/sign.go
+
+.PHONY: run/example/3
+run/example/3:
+	@go run example/seed.go
+
+.PHONY: run/example/4
+run/example/4:
+	@go run example/keys.go
diff --git a/example/keys.go b/example/keys.go
index 45a8d40..5162ec8 100644
--- a/example/keys.go
+++ b/example/keys.go
@@ -9,8 +9,7 @@ import (
 
 func main() {
 	mnemonic := "tag volcano eight thank tide danger coast health above argue embrace heavy"
-	fmt.Println("deriving from mnenonic")
-	fmt.Println(mnemonic)
+
 	wallet, err := hdwallet.NewFromMnemonic(mnemonic)
 	if err != nil {
 		log.Fatal(err)
@@ -22,12 +21,20 @@ func main() {
 		log.Fatal(err)
 	}
 
-	fmt.Println("account address", account.Address.Hex())
+	fmt.Printf("Account address: %s\n", account.Address.Hex())
+
+	privateKey, err := wallet.PrivateKeyHex(account)
+	if err != nil {
+		log.Fatal(err)
+	}
 
-	pk, _ := wallet.PrivateKeyHex(account)
-	fmt.Println("private key hex: ", pk)
+	fmt.Printf("Private key in hex: %s\n", privateKey)
+
+	publicKey, _ := wallet.PublicKeyHex(account)
+	if err != nil {
+		log.Fatal(err)
+	}
 
-	pub, _ := wallet.PublicKeyHex(account)
-	fmt.Println("public key hex: ", pub)
+	fmt.Printf("Public key in hex: %s\n", publicKey)
 
 }