From ffac1a33d70a424b5703c14f0a8c73d8ce28cc76 Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Thu, 26 Mar 2020 21:34:35 -0400
Subject: [PATCH] Impl Debug for PayingKey

---
 zebra-chain/src/keys/sprout.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/zebra-chain/src/keys/sprout.rs b/zebra-chain/src/keys/sprout.rs
index 3df5626f..4a658996 100644
--- a/zebra-chain/src/keys/sprout.rs
+++ b/zebra-chain/src/keys/sprout.rs
@@ -51,9 +51,17 @@ impl From<SpendingKey> for ReceivingKey {
 }
 
 /// Derived from a _SpendingKey_.
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Eq, PartialEq)]
 pub struct PayingKey(pub [u8; 32]);
 
+impl fmt::Debug for PayingKey {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_tuple("PayingKey")
+            .field(&hex::encode(&self.0))
+            .finish()
+    }
+}
+
 impl From<SpendingKey> for PayingKey {
     /// For this invocation of SHA256Compress as the PRF, t=1.
     ///