From bcba4924ca6d8e3074e24792964c36cb83b7dac6 Mon Sep 17 00:00:00 2001
From: Sean Bowe <ewillbefull@gmail.com>
Date: Tue, 17 Jul 2018 17:01:04 -0600
Subject: [PATCH] Fix negation bug in librustzcash_sapling_check_output

---
 src/rustzcash.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rustzcash.rs b/src/rustzcash.rs
index 537fb13..dbe9b1b 100644
--- a/src/rustzcash.rs
+++ b/src/rustzcash.rs
@@ -695,7 +695,7 @@ pub extern "system" fn librustzcash_sapling_check_output(
     // Accumulate the value commitment in the context
     {
         let mut tmp = cv.clone();
-        tmp.negate(); // Outputs subtract from the total.
+        tmp = tmp.negate(); // Outputs subtract from the total.
         tmp = tmp.add(&unsafe { &*ctx }.bvk, &JUBJUB);
 
         // Update the context