From eaa71587519cb42331c4ec7971796a3c041c64c3 Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@electriccoin.co>
Date: Fri, 5 Mar 2021 23:46:20 +0000
Subject: [PATCH] Use reddsa to instantiate orchard::redpallas

---
 src/primitives/redpallas.rs | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

diff --git a/src/primitives/redpallas.rs b/src/primitives/redpallas.rs
index d24fe58d..fa4d12b0 100644
--- a/src/primitives/redpallas.rs
+++ b/src/primitives/redpallas.rs
@@ -1,38 +1,27 @@
-//! TODO
-
-use std::fmt;
-use std::marker::PhantomData;
+//! A minimal RedPallas implementation for use in Zcash.
 
 /// A RedPallas signature type.
-pub trait SigType: private::Sealed + fmt::Debug {}
+pub trait SigType: reddsa::SigType + private::Sealed {}
 
 /// A type variable corresponding to an Orchard spend authorization signature.
-#[derive(Debug)]
-pub enum SpendAuth {}
+pub type SpendAuth = reddsa::orchard::SpendAuth;
 impl SigType for SpendAuth {}
 
 /// A type variable corresponding to an Orchard binding signature.
-#[derive(Debug)]
-pub enum Binding {}
+pub type Binding = reddsa::orchard::Binding;
 impl SigType for Binding {}
 
 /// A RedPallas signing key.
 #[derive(Debug)]
-pub struct SigningKey<T: SigType> {
-    _t: PhantomData<T>,
-}
+pub struct SigningKey<T: SigType>(reddsa::SigningKey<T>);
 
 /// A RedPallas verification key.
 #[derive(Debug)]
-pub struct VerificationKey<T: SigType> {
-    _t: PhantomData<T>,
-}
+pub struct VerificationKey<T: SigType>(reddsa::VerificationKey<T>);
 
 /// A RedPallas signature.
 #[derive(Debug)]
-pub struct Signature<T: SigType> {
-    _t: PhantomData<T>,
-}
+pub struct Signature<T: SigType>(reddsa::Signature<T>);
 
 pub(crate) mod private {
     use super::{Binding, SpendAuth};