fix PrivKey Marshal

app/node/init.go

@@ -77,19 +77,21 @@ func Init(ctx context.Context, r repo.Repo, gen genesis.InitFunc, opts ...InitOp
 	return nil
 }
 
-func initPeerKey(store fskeystore.Keystore, key acrypto.PrivKey) error {
+func initPeerKey(store fskeystore.Keystore, pk acrypto.PrivKey) error {
 	var err error
-	if key == nil {
-		key, _, err = acrypto.GenerateKeyPair(acrypto.RSA, defaultPeerKeyBits)
+	if pk == nil {
+		pk, _, err = acrypto.GenerateKeyPair(acrypto.RSA, defaultPeerKeyBits)
 		if err != nil {
 			return errors.Wrap(err, "failed to create peer key")
 		}
 	}
-	data, err := key.Raw() // TODO ?
+
+	kbytes, err := acrypto.MarshalPrivateKey(pk)
 	if err != nil {
 		return err
 	}
-	if err := store.Put("self", data); err != nil {
+
+	if err := store.Put("self", kbytes); err != nil {
 		return errors.Wrap(err, "failed to store private key")
 	}
 	return nil

pkg/repo/fskeystore/fskeystore_test.go

@@ -3,6 +3,7 @@ package fskeystore
 import (
 	"bytes"
 	"fmt"
+	crypto "github.com/libp2p/go-libp2p-crypto"
 	"io/ioutil"
 	"math/rand"
 	"os"
@@ -262,11 +263,13 @@ func privKeyOrFatal(t *testing.T) []byte {
 	if err != nil {
 		t.Fatal(err)
 	}
-	data, err := priv.Bytes()
+
+	kbytes, err := crypto.MarshalPrivateKey(priv)
 	if err != nil {
 		t.Fatal(err)
 	}
-	return data
+
+	return kbytes
 }
 
 func assertGetKey(ks Keystore, name string, exp []byte) error {