update example

Makefile

@@ -19,4 +19,4 @@ deps/cp:
 
 .PHONY: example
 example:
-	@go run -v example/example.go
+	@go run example/example.go

README.md

@@ -19,25 +19,33 @@ package main
 
 import (
 	"fmt"
+	"log"
 
 	"github.com/miguelmota/go-ethereum-hdwallet"
 )
 
 func main() {
 	mnemonic := "tag volcano eight thank tide danger coast health above argue embrace heavy"
-	root, _ := hdwallet.New(hdwallet.Config{
-		Mnemonic: mnemonic,
-		Path:     `m/44'/60'/0'/0`,
-	})
-
-	wallet0, _ := root.Derive(0)
-	fmt.Println(wallet0.AddressHex()) // 0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947
-
-	wallet1, _ := root.Derive(1)
-	fmt.Println(wallet1.AddressHex()) // 0x8230645aC28A4EdD1b0B53E7Cd8019744E9dD559
-
-	wallet2, _ := root.Derive(2)
-	fmt.Println(wallet2.AddressHex()) // 0x65c150B7eF3B1adbB9cB2b8041C892b15eDde05A
+	wallet, err := hdwallet.NewFromMnemonic(mnemonic)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	path := hdwallet.MustParseDerivationPath("m/44'/60'/0'/0/0")
+	account, err := wallet.Derive(path, false)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println(account.Address.Hex()) // 0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947
+
+	path = hdwallet.MustParseDerivationPath("m/44'/60'/0'/0/1")
+	account, err = wallet.Derive(path, false)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println(account.Address.Hex()) // 0x8230645aC28A4EdD1b0B53E7Cd8019744E9dD559
 }
 ```
 

example/example.go

@@ -4,8 +4,7 @@ import (
 	"fmt"
 	"log"
 
-	//"github.com/miguelmota/go-ethereum-hdwallet"
-	hdwallet ".."
+	"github.com/miguelmota/go-ethereum-hdwallet"
 )
 
 func main() {
@@ -29,5 +28,5 @@ func main() {
 		log.Fatal(err)
 	}
 
-	fmt.Println(account.Address.Hex()) // 0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947
+	fmt.Println(account.Address.Hex()) // 0x8230645aC28A4EdD1b0B53E7Cd8019744E9dD559
 }