From 5a4e7468ecd817c7acac9db4eb10a5fe9db6314d Mon Sep 17 00:00:00 2001
From: mcroad <roady@mcroad.me>
Date: Wed, 13 Apr 2022 21:10:19 -0500
Subject: [PATCH] Address use of `debug_non_exhaustive` Fixes #947

---
 .gitignore        |  1 +
 src/lib.rs        |  1 +
 src/util/bip32.rs | 12 ++++++++++++
 3 files changed, 14 insertions(+)

diff --git a/.gitignore b/.gitignore
index bd1795fa1e..069d3cd10c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ Cargo.lock
 #fuzz
 fuzz/hfuzz_target
 fuzz/hfuzz_workspace
+dep_test
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 0b7bc883dc..839568deeb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -44,6 +44,7 @@
 
 // Experimental features we need
 #![cfg_attr(all(test, feature = "unstable"), feature(test))]
+#![cfg_attr(feature = "unstable", feature(debug_non_exhaustive))]
 
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
diff --git a/src/util/bip32.rs b/src/util/bip32.rs
index 65a973f5f3..2c7759b92e 100644
--- a/src/util/bip32.rs
+++ b/src/util/bip32.rs
@@ -67,6 +67,7 @@ serde_string_impl!(ExtendedPrivKey, "a BIP-32 extended private key");
 #[cfg(not(feature = "std"))]
 #[cfg_attr(docsrs, doc(cfg(not(feature = "std"))))]
 impl fmt::Debug for ExtendedPrivKey {
+    #[cfg(feature = "unstable")]
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.debug_struct("ExtendedPrivKey")
             .field("network", &self.network)
@@ -76,6 +77,17 @@ impl fmt::Debug for ExtendedPrivKey {
             .field("chain_code", &self.chain_code)
             .finish_non_exhaustive()
     }
+    #[cfg(not(feature = "unstable"))]
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        f.debug_struct("ExtendedPrivKey")
+            .field("network", &self.network)
+            .field("depth", &self.depth)
+            .field("parent_fingerprint", &self.parent_fingerprint)
+            .field("child_number", &self.child_number)
+            .field("chain_code", &self.chain_code)
+            .field("private_key", &"[redacted]")
+            .finish()
+    }
 }
 
 /// Extended public key