From b442d9d36ad31d0144293dab48ab23b9003d1299 Mon Sep 17 00:00:00 2001
From: ksolana <110843012+ksolana@users.noreply.github.com>
Date: Mon, 22 Jul 2024 22:29:36 -0700
Subject: [PATCH 1/2] Add removed line from PR1192

---
 svm/src/transaction_processor.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/svm/src/transaction_processor.rs b/svm/src/transaction_processor.rs
index 5a8b5e37ce0b92..d75cfabce72927 100644
--- a/svm/src/transaction_processor.rs
+++ b/svm/src/transaction_processor.rs
@@ -592,6 +592,7 @@ impl<FG: ForkGraph> TransactionBatchProcessor<FG> {
             };
 
             if let Some((key, program)) = program_to_store {
+                loaded_programs_for_txs.as_mut().unwrap().loaded_missing = true;
                 let mut program_cache = self.program_cache.write().unwrap();
                 // Submit our last completed loading task.
                 if program_cache.finish_cooperative_loading_task(self.slot, key, program)

From 305a62262e7b4d35df9a9cbb3a77742357058709 Mon Sep 17 00:00:00 2001
From: ksolana <110843012+ksolana@users.noreply.github.com>
Date: Tue, 23 Jul 2024 07:39:48 -0700
Subject: [PATCH 2/2] Test missing programs were loaded

---
 svm/src/transaction_processor.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/svm/src/transaction_processor.rs b/svm/src/transaction_processor.rs
index d75cfabce72927..e5e8af2f9a35e0 100644
--- a/svm/src/transaction_processor.rs
+++ b/svm/src/transaction_processor.rs
@@ -551,7 +551,7 @@ impl<FG: ForkGraph> TransactionBatchProcessor<FG> {
                 })
                 .collect();
 
-        let mut loaded_programs_for_txs = None;
+        let mut loaded_programs_for_txs: Option<ProgramCacheForTxBatch> = None;
         loop {
             let (program_to_store, task_cookie, task_waiter) = {
                 // Lock the global cache.
@@ -1336,6 +1336,7 @@ mod tests {
 
         let mut account_maps: HashMap<Pubkey, u64> = HashMap::new();
         account_maps.insert(key, 4);
+        let mut loaded_missing = 0;
 
         for limit_to_load_programs in [false, true] {
             let result = batch_processor.replenish_program_cache(
@@ -1345,12 +1346,17 @@ mod tests {
                 limit_to_load_programs,
             );
             assert!(!result.hit_max_limit);
+            if result.loaded_missing {
+                loaded_missing += 1;
+            }
+
             let program = result.find(&key).unwrap();
             assert!(matches!(
                 program.program,
                 ProgramCacheEntryType::FailedVerification(_)
             ));
         }
+        assert!(loaded_missing > 0);
     }
 
     #[test]