From 872f337811fa2f2b34eff4e1f9c24e2abaa31483 Mon Sep 17 00:00:00 2001
From: Kris Nuttycombe <kris@nutty.land>
Date: Mon, 2 Aug 2021 14:54:48 -0600
Subject: [PATCH] Expose SpendingKey byte representation.

---
 src/keys.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/keys.rs b/src/keys.rs
index 708a546f..ca1c9774 100644
--- a/src/keys.rs
+++ b/src/keys.rs
@@ -64,6 +64,11 @@ impl SpendingKey {
         let ivk = KeyAgreementPrivateKey::derive_inner(&(&sk).into());
         CtOption::new(sk, !(ask.ct_is_zero() | ivk.is_none()))
     }
+
+    /// Returns the raw bytes of the spending key.
+    pub fn to_bytes(&self) -> &[u8; 32] {
+        &self.0
+    }
 }
 
 /// A spend authorizing key, used to create spend authorization signatures.