From b6b3e2fa39d996ff1ad0be3737c7c2396338a927 Mon Sep 17 00:00:00 2001
From: QI ZHANG <qizhang94@outlook.com>
Date: Tue, 11 Jan 2022 20:39:13 -0500
Subject: [PATCH] complete the threshold check (#45)

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

diff --git a/programs/multisig/src/lib.rs b/programs/multisig/src/lib.rs
index 768d504..388f019 100644
--- a/programs/multisig/src/lib.rs
+++ b/programs/multisig/src/lib.rs
@@ -36,7 +36,7 @@ pub mod serum_multisig {
         nonce: u8,
     ) -> Result<()> {
         assert_unique_owners(&owners)?;
-        require!(threshold > 0, InvalidThreshold);
+        require!(threshold > 0 && threshold <= owners.len() as u64, InvalidThreshold);
         require!(!owners.is_empty(), InvalidOwnersLen);
 
         let multisig = &mut ctx.accounts.multisig;