From 570ad6e914fc718b84eefa703b01e7ce366aa8ba Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Thu, 11 Mar 2021 09:00:16 -0500
Subject: [PATCH] Add redpallas::signing_key::SigningKey stub

---
 .../src/primitives/redpallas/signing_key.rs   | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 zebra-chain/src/primitives/redpallas/signing_key.rs

diff --git a/zebra-chain/src/primitives/redpallas/signing_key.rs b/zebra-chain/src/primitives/redpallas/signing_key.rs
new file mode 100644
index 00000000..bde09949
--- /dev/null
+++ b/zebra-chain/src/primitives/redpallas/signing_key.rs
@@ -0,0 +1,19 @@
+use std::{
+    convert::{TryFrom, TryInto},
+    marker::PhantomData,
+};
+
+use halo2::pasta::pallas;
+
+use super::{SigType, VerificationKey};
+
+/// A RedPallas signing key.
+#[derive(Copy, Clone, Debug)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[cfg_attr(feature = "serde", serde(try_from = "SerdeHelper"))]
+#[cfg_attr(feature = "serde", serde(into = "SerdeHelper"))]
+#[cfg_attr(feature = "serde", serde(bound = "T: SigType"))]
+pub struct SigningKey<T: SigType> {
+    sk: pallas::Scalar,
+    pk: VerificationKey<T>,
+}