From 85703059b9d74d3fc46332cfe613f18152a00b1d Mon Sep 17 00:00:00 2001
From: Federico Franzoni <8609060+fed-franz@users.noreply.github.com>
Date: Tue, 10 Sep 2024 17:57:29 +0200
Subject: [PATCH] consensus: check prev_block before generating future
 committee

---
 consensus/src/execution_ctx.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/consensus/src/execution_ctx.rs b/consensus/src/execution_ctx.rs
index 2c2e73b65a..41da044e29 100644
--- a/consensus/src/execution_ctx.rs
+++ b/consensus/src/execution_ctx.rs
@@ -300,6 +300,7 @@ impl<'a, T: Operations + 'static> ExecutionCtx<'a, T> {
         // We do it here because we need the IterationCtx
         if msg.header.round == self.round_update.round
             && msg.header.iteration > self.iteration
+            && msg.header.prev_block_hash == self.round_update.hash()
         {
             // Generate committees for the iteration
             self.iter_ctx.generate_iteration_committees(