From adabf463a5e05c6e16ef3abe78e3b1700e352a9d Mon Sep 17 00:00:00 2001
From: Jun Kimura <jun.kimura@datachain.jp>
Date: Tue, 5 Nov 2024 23:41:49 +0900
Subject: [PATCH] add trusting period validation for misbehaviour

Signed-off-by: Jun Kimura <jun.kimura@datachain.jp>
---
 crates/ibc/src/client_state.rs | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/crates/ibc/src/client_state.rs b/crates/ibc/src/client_state.rs
index 8369f06..fdc1bb8 100644
--- a/crates/ibc/src/client_state.rs
+++ b/crates/ibc/src/client_state.rs
@@ -419,7 +419,7 @@ impl<const SYNC_COMMITTEE_SIZE: usize> Ics2ClientState for ClientState<SYNC_COMM
 
         let cc = self.build_context(ctx);
         let trusted_consensus_state = TrustedConsensusState::new(
-            consensus_state,
+            consensus_state.clone(),
             misbehaviour.trusted_sync_committee.sync_committee,
             misbehaviour.trusted_sync_committee.is_next,
         )?;
@@ -428,6 +428,17 @@ impl<const SYNC_COMMITTEE_SIZE: usize> Ics2ClientState for ClientState<SYNC_COMM
             .validate_misbehaviour(&cc, &trusted_consensus_state, misbehaviour.data)
             .map_err(Error::VerificationError)?;
 
+        let host_timestamp = ctx
+            .host_timestamp()
+            .map_err(|e| ClientError::ClientSpecific {
+                description: e.to_string(),
+            })?;
+        validate_state_timestamp_within_trusting_period(
+            host_timestamp,
+            self.trusting_period,
+            consensus_state.timestamp,
+        )?;
+
         // found misbehaviour
         Ok(self
             .clone()