From 7d677737d76e731df3be2e53b2c14d57014432f4 Mon Sep 17 00:00:00 2001
From: Gary Yu <gairy.yu@gmail.com>
Date: Sun, 19 Aug 2018 19:57:04 +0800
Subject: [PATCH] add impl fmt::Debug for BlindingFactor, for pretty print
 (#1382)

---
 keychain/src/types.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/keychain/src/types.rs b/keychain/src/types.rs
index 2bf8e72b2..2feb1ef46 100644
--- a/keychain/src/types.rs
+++ b/keychain/src/types.rs
@@ -162,9 +162,15 @@ impl fmt::Display for Identifier {
 	}
 }
 
-#[derive(Clone, Copy, Debug, PartialEq, Serialize, Deserialize)]
+#[derive(Clone, Copy, PartialEq, Serialize, Deserialize)]
 pub struct BlindingFactor([u8; SECRET_KEY_SIZE]);
 
+impl fmt::Debug for BlindingFactor {
+	fn fmt(&self, f: &mut ::std::fmt::Formatter) -> fmt::Result {
+		write!(f, "{}", self.to_hex())
+	}
+}
+
 impl AsRef<[u8]> for BlindingFactor {
 	fn as_ref(&self) -> &[u8] {
 		&self.0
@@ -297,8 +303,8 @@ mod test {
 	use rand::thread_rng;
 
 	use types::BlindingFactor;
-	use util::secp::Secp256k1;
 	use util::secp::key::{SecretKey, ZERO_KEY};
+	use util::secp::Secp256k1;
 
 	#[test]
 	fn split_blinding_factor() {