From 1ec89fafc0afc27758924ae9f0102c9871918514 Mon Sep 17 00:00:00 2001
From: Aria <me@aria.rip>
Date: Thu, 19 Oct 2023 23:32:39 +0100
Subject: delay batch based on first message timing, not last

---
 broadcast/src/batch.rs | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/broadcast/src/batch.rs b/broadcast/src/batch.rs
index 8c1c17d..46b9b57 100644
--- a/broadcast/src/batch.rs
+++ b/broadcast/src/batch.rs
@@ -19,7 +19,7 @@ const RETRY_TIMEOUT_SECS: u64 = 1;
 pub struct MessageBatch {
     max_message_delay: Duration,
     max_message_count: usize,
-    last_update: Instant,
+    first_added: Instant,
     messages: HashSet<BroadcastTarget>,
 }
 
@@ -28,29 +28,30 @@ impl MessageBatch {
         Self {
             max_message_delay,
             max_message_count,
-            last_update: Instant::now(),
+            first_added: Instant::now(),
             messages: HashSet::new(),
         }
     }
 
     pub fn add(&mut self, msg: BroadcastTarget) {
+        if self.messages.is_empty() {
+            self.first_added = Instant::now();
+        }
         self.messages.insert(msg);
-        self.last_update = Instant::now();
     }
 
     pub fn clear(&mut self) {
         self.messages.clear();
-        self.last_update = Instant::now();
     }
 
     pub fn should_broadcast(&self) -> bool {
         !self.messages.is_empty()
-            && (self.last_update.elapsed() >= self.max_message_delay
+            && (self.first_added.elapsed() >= self.max_message_delay
                 || self.messages.len() >= self.max_message_count)
     }
 
     pub fn sleep_time(&self) -> Duration {
-        self.last_update
+        self.first_added
             .elapsed()
             .saturating_sub(self.max_message_delay)
     }
-- 
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