From 00aee09662f607f53eb0467818c398460ee74245 Mon Sep 17 00:00:00 2001
From: Kris Nuttycombe <kris@nutty.land>
Date: Fri, 21 Jan 2022 14:02:51 -0700
Subject: [PATCH] Add accessors for the ExtendedPubKey wrapped by AccountPubKey

---
 zcash_client_backend/src/keys.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/zcash_client_backend/src/keys.rs b/zcash_client_backend/src/keys.rs
index 711f72b8f..6f8324fd4 100644
--- a/zcash_client_backend/src/keys.rs
+++ b/zcash_client_backend/src/keys.rs
@@ -113,6 +113,14 @@ pub mod transparent {
                 .derive_public_key(KeyIndex::Normal(child_index))
                 .map(ExternalPubKey)
         }
+
+        pub fn from_extended_pubkey(extpubkey: ExtendedPubKey) -> Self {
+            AccountPubKey(extpubkey)
+        }
+
+        pub fn extended_pubkey(&self) -> &ExtendedPubKey {
+            &self.0
+        }
     }
 
     /// A type representing a private key at the BIP-44 external child