From da967ac4371ec6c5e729f844000a573711ebf213 Mon Sep 17 00:00:00 2001
From: hade <liveithade@gmail.com>
Date: Fri, 13 Sep 2024 14:01:51 +0700
Subject: [PATCH] fix: add reg drep required wits

---
 chain/rust/src/builders/certificate_builder.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/chain/rust/src/builders/certificate_builder.rs b/chain/rust/src/builders/certificate_builder.rs
index 677ccd3d..8a0270a1 100644
--- a/chain/rust/src/builders/certificate_builder.rs
+++ b/chain/rust/src/builders/certificate_builder.rs
@@ -70,8 +70,8 @@ pub fn cert_required_wits(cert: &Certificate, required_witnesses: &mut RequiredW
         Certificate::ResignCommitteeColdCert(cert) => {
             required_witnesses.add_from_credential(cert.committee_cold_credential.clone());
         }
-        Certificate::RegDrepCert(_cert) => {
-            // does not need a witness
+        Certificate::RegDrepCert(cert) => {
+            required_witnesses.add_from_credential(cert.drep_credential.clone());
         }
         Certificate::UnregDrepCert(cert) => {
             required_witnesses.add_from_credential(cert.drep_credential.clone());