From e4b6e7fb63e9db3be440a0a55fca879ae82db0e5 Mon Sep 17 00:00:00 2001
From: behzad nouri <behzadnouri@gmail.com>
Date: Sun, 15 Dec 2024 23:58:52 +0000
Subject: [PATCH] rolls out chained Merkle shreds to ~5% of mainnet slots
 (#4019)

(cherry picked from commit d3fe8f8a01725e02c9ca594ffe8b1461f10b0e9a)

# Conflicts:
#	turbine/src/broadcast_stage/standard_broadcast_run.rs
---
 turbine/src/broadcast_stage/standard_broadcast_run.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/turbine/src/broadcast_stage/standard_broadcast_run.rs b/turbine/src/broadcast_stage/standard_broadcast_run.rs
index 6723ed6f32aafe..1201b2efffd268 100644
--- a/turbine/src/broadcast_stage/standard_broadcast_run.rs
+++ b/turbine/src/broadcast_stage/standard_broadcast_run.rs
@@ -503,12 +503,18 @@ impl BroadcastRun for StandardBroadcastRun {
     }
 }
 
-fn should_chain_merkle_shreds(_slot: Slot, cluster_type: ClusterType) -> bool {
+fn should_chain_merkle_shreds(slot: Slot, cluster_type: ClusterType) -> bool {
     match cluster_type {
         ClusterType::Development => true,
         ClusterType::Devnet => true,
+<<<<<<< HEAD
         ClusterType::MainnetBeta => false,
         ClusterType::Testnet => false,
+=======
+        // Roll out chained Merkle shreds to ~5% of mainnet slots.
+        ClusterType::MainnetBeta => slot % 19 == 1,
+        ClusterType::Testnet => true,
+>>>>>>> d3fe8f8a0 (rolls out chained Merkle shreds to ~5% of mainnet slots (#4019))
     }
 }