Test ledger calls

nano/keys.go

@@ -48,7 +48,10 @@ type PrivKeyLedger struct {
 	pubKey crypto.PubKey
 }
 
-var _ crypto.PrivKeyInner = &PrivKeyLedger{}
+func NewPrivKeyLedger() crypto.PrivKey {
+	var pk PrivKeyLedger
+	return pk.Wrap()
+}
 
 // AssertIsPrivKeyInner fulfils PrivKey Interface
 func (pk *PrivKeyLedger) AssertIsPrivKeyInner() {}

nano/keys_test.go

@@ -77,5 +77,13 @@ func TestRealLedger(t *testing.T) {
 	if os.Getenv("WITH_LEDGER") == "" {
 		t.Skip("Set WITH_LEDGER to run code on real ledger")
 	}
-	// let's try for real....
+
+	priv := NewPrivKeyLedger()
+	msg := []byte("kuhehfeohg")
+
+	sig := priv.Sign(msg)
+	pub := priv.PubKey()
+
+	valid := pub.VerifyBytes(msg, sig)
+	assert.True(t, valid)
 }