From 9c2c4dbcd2cf262c019695cee9248c476745a698 Mon Sep 17 00:00:00 2001
From: Jonas Bostoen <jonas.bostoen@hotmail.com>
Date: Fri, 20 Dec 2024 16:36:07 +0100
Subject: [PATCH] fix(sidecar): discard inclusion requests for past slots

---
 bolt-sidecar/src/state/consensus.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bolt-sidecar/src/state/consensus.rs b/bolt-sidecar/src/state/consensus.rs
index 76ac1501..b95e68a4 100644
--- a/bolt-sidecar/src/state/consensus.rs
+++ b/bolt-sidecar/src/state/consensus.rs
@@ -114,7 +114,10 @@ impl ConsensusState {
     /// If the request is valid, return the validator public key for the target slot.
     pub fn validate_request(&self, req: &InclusionRequest) -> Result<BlsPublicKey, ConsensusError> {
         // Check if the slot is in the current epoch or next epoch (if unsafe lookahead is enabled)
-        if req.slot < self.epoch.start_slot || req.slot >= self.furthest_slot() {
+        if req.slot < self.epoch.start_slot ||
+            req.slot >= self.furthest_slot() ||
+            req.slot <= self.latest_slot
+        {
             return Err(ConsensusError::InvalidSlot(req.slot));
         }