From 508799afcb4b97d9e3ea2b785a8263fbd6c8db1e Mon Sep 17 00:00:00 2001
From: James Hiew <james@chainfork.com>
Date: Thu, 1 Dec 2022 14:23:05 +0000
Subject: [PATCH] Short circuit PosBase::transfer if amount is zero

---
 proof_of_stake/src/storage.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/proof_of_stake/src/storage.rs b/proof_of_stake/src/storage.rs
index 5e11165c55..589290186d 100644
--- a/proof_of_stake/src/storage.rs
+++ b/proof_of_stake/src/storage.rs
@@ -551,6 +551,9 @@ where
         src: &namada_core::types::address::Address,
         dest: &namada_core::types::address::Address,
     ) {
+        if amount.is_zero() {
+            return;
+        }
         let src_key = token::balance_key(token, src);
         let dest_key = token::balance_key(token, dest);
         if let (Some(src_balance), _gas) = self