From 00e21878da1ce289ee0a6ae88d0222b1c55f9b83 Mon Sep 17 00:00:00 2001
From: Ivan Kalinin <i.kalinin@dexpa.io>
Date: Mon, 14 Oct 2024 18:15:08 +0200
Subject: [PATCH] feat: add `OutMsgQueueUpdates::tail_len`

---
 src/models/block/mod.rs       | 3 +++
 src/models/block/tests/mod.rs | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/models/block/mod.rs b/src/models/block/mod.rs
index ddde9d6b..a2297576 100755
--- a/src/models/block/mod.rs
+++ b/src/models/block/mod.rs
@@ -703,4 +703,7 @@ impl<'a> Load<'a> for ValueFlow {
 pub struct OutMsgQueueUpdates {
     /// Hash of the serialized queue diff.
     pub diff_hash: HashBytes,
+    /// The number of additional queue diffs, excluding the current one,
+    /// that may still be required by other shards.
+    pub tail_len: u32,
 }
diff --git a/src/models/block/tests/mod.rs b/src/models/block/tests/mod.rs
index f39c87bc..02d08bc7 100644
--- a/src/models/block/tests/mod.rs
+++ b/src/models/block/tests/mod.rs
@@ -448,6 +448,7 @@ fn block_with_tycho_updates_store_load() {
         .unwrap(),
         out_msg_queue_updates: OutMsgQueueUpdates {
             diff_hash: HashBytes::ZERO,
+            tail_len: 123,
         },
     };
     let encoded = BocRepr::encode(&block).unwrap();
@@ -461,6 +462,7 @@ fn block_with_tycho_updates_store_load() {
         decoded.out_msg_queue_updates,
         OutMsgQueueUpdates {
             diff_hash: HashBytes::ZERO,
+            tail_len: 123
         }
     );
 }