From 57cb26d580f5c2af88c0036afe99167d7ae16702 Mon Sep 17 00:00:00 2001
From: Nick Garfield <nick@and.xyz>
Date: Wed, 12 Oct 2022 13:46:38 -0500
Subject: [PATCH] Reset the return data to an empty byte array at checkpoint B.

---
 programs/queue/src/instructions/queue_crank.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/programs/queue/src/instructions/queue_crank.rs b/programs/queue/src/instructions/queue_crank.rs
index 89fb5df41..76386f62e 100644
--- a/programs/queue/src/instructions/queue_crank.rs
+++ b/programs/queue/src/instructions/queue_crank.rs
@@ -1,3 +1,5 @@
+use anchor_lang::solana_program::program::set_return_data;
+
 use {
     crate::{errors::*, objects::*},
     anchor_lang::prelude::*,
@@ -222,7 +224,11 @@ pub fn handler(ctx: Context<QueueCrank>, data_hash: Option<u64>) -> Result<()> {
     let bump = ctx.bumps.get("queue").unwrap();
     queue.crank(ctx.remaining_accounts, *bump, signatory)?;
 
-    msg!("B");
+    msg!("B1");
+
+    set_return_data(&[]);
+
+    msg!("B2");
 
     // set_return_data(data)