From 83c7b6d9b72ecbad08edfda8d9c2f7e67a8f3a46 Mon Sep 17 00:00:00 2001
From: Andrew Poelstra <apoelstra@wpsoftware.net>
Date: Sun, 12 Aug 2018 15:20:31 +0000
Subject: [PATCH] add Debug impl to context object

---
 src/lib.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index c4bb8b1..5fc4699 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -449,6 +449,30 @@ impl<C> Drop for Secp256k1<C> {
     }
 }
 
+impl fmt::Debug for Secp256k1<None> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "<secp256k1 context {:?}, no capabilities>", self.ctx)
+    }
+}
+
+impl fmt::Debug for Secp256k1<SignOnly> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "<secp256k1 context {:?}, signing only>", self.ctx)
+    }
+}
+
+impl fmt::Debug for Secp256k1<VerifyOnly> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "<secp256k1 context {:?}, verification only>", self.ctx)
+    }
+}
+
+impl fmt::Debug for Secp256k1<All> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "<secp256k1 context {:?}, all capabilities>", self.ctx)
+    }
+}
+
 impl Secp256k1<None> {
     /// Creates a new Secp256k1 context with no capabilities (just de/serialization)
     pub fn without_caps() -> Secp256k1<None> {