From b0876bd4e6f979f432de72e9aa03a9bde9beab94 Mon Sep 17 00:00:00 2001
From: Fang <fang@fang.io>
Date: Sun, 7 Jan 2018 16:28:22 +0100
Subject: [PATCH] Burden prize may contains no more than 2k messages, for
 performance reasons.

---
 app/hall.hoon | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/hall.hoon b/app/hall.hoon
index 2a7e2ad21..7750b17de 100644
--- a/app/hall.hoon
+++ b/app/hall.hoon
@@ -921,6 +921,8 @@
       ::
       |=  {gaz/(list telegram) cos/lobby pes/crowd}
       ^+  +>
+      ~?  (gth (lent gaz) 2.000)
+        [%unexpected-scrollback-length nom (lent gaz)]
       =*  self  +>
       ::  local config
       =.  self
@@ -2171,7 +2173,9 @@
     ::  only auto-federate channels for now.
     ?.  ?=($channel sec.con.shape.s)  ~
     :+  ~  n
-    :+  grams.s
+    ::  share no more than 2k messages at once, for performance reasons.
+    :+  ?:  (lte count.s 2.000)  grams.s
+        (slag (sub count.s 2.000) grams.s)
       [shape.s mirrors.s]
     [locals.s remotes.s]
   ::