From b3e7ef8e06f26cb30823eb782833097ee57f6ef3 Mon Sep 17 00:00:00 2001
From: Arya Tabaie <15056835+Tabaie@users.noreply.github.com>
Date: Tue, 13 Aug 2024 15:09:07 -0500
Subject: [PATCH] fix register rand hint

---
 constraint/solver/hint_registry.go | 3 ++-
 frontend/cs/r1cs/api.go            | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/constraint/solver/hint_registry.go b/constraint/solver/hint_registry.go
index 9ea3b573a4..fa5d44d357 100644
--- a/constraint/solver/hint_registry.go
+++ b/constraint/solver/hint_registry.go
@@ -2,6 +2,7 @@ package solver
 
 import (
 	"fmt"
+	"github.com/consensys/gnark/internal/hints"
 	"math/big"
 	"sync"
 
@@ -9,7 +10,7 @@ import (
 )
 
 func init() {
-	RegisterHint(InvZeroHint)
+	RegisterHint(InvZeroHint, hints.Randomize)
 }
 
 var (
diff --git a/frontend/cs/r1cs/api.go b/frontend/cs/r1cs/api.go
index 435b9da24a..095ee6e528 100644
--- a/frontend/cs/r1cs/api.go
+++ b/frontend/cs/r1cs/api.go
@@ -697,7 +697,7 @@ func (builder *builder) Commit(v ...frontend.Variable) (frontend.Variable, error
 			return nil, err
 		}
 		vCp[len(v)] = mask[0]
-		builder.cs.AddR1C(builder.newR1C(mask, 1, mask), builder.genericGate) // the variable needs to be involved in a constraint otherwise it will not affect the commitment
+		builder.cs.AddR1C(builder.newR1C(mask[0], builder.eOne, mask[0]), builder.genericGate) // the variable needs to be involved in a constraint otherwise it will not affect the commitment
 		v = vCp
 	}