From ca549258b8d1fb7e14f03b8d8a2ccf94c1937bac Mon Sep 17 00:00:00 2001
From: Protryon <max.bruce12@gmail.com>
Date: Tue, 26 Jan 2021 20:07:21 -0800
Subject: [PATCH] blake2s unwrap muts

---
 compiler/src/prelude/blake2s.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/src/prelude/blake2s.rs b/compiler/src/prelude/blake2s.rs
index dab1fd0bb4..3b11f1cee4 100644
--- a/compiler/src/prelude/blake2s.rs
+++ b/compiler/src/prelude/blake2s.rs
@@ -31,7 +31,8 @@ use snarkvm_models::{
 
 pub struct Blake2s;
 
-fn unwrap_argument<F: Field + PrimeField, G: GroupType<F>>(arg: ConstrainedValue<F, G>) -> Vec<UInt8> {
+fn unwrap_argument<F: Field + PrimeField, G: GroupType<F>>(mut arg: ConstrainedValue<F, G>) -> Vec<UInt8> {
+    arg.get_inner_mut();
     if let ConstrainedValue::Array(args) = arg {
         assert_eq!(args.len(), 32); // asg enforced
         args.into_iter()