gui: throttle peer stake updates

Author: jherrera-jump

src/disco/gui/fd_gui_peers.c

@@ -460,20 +460,22 @@ static int
 fd_gui_peers_contact_info_eq( fd_contact_info_t const * ci1,
                               fd_contact_info_t const * ci2 ) {
   int ci_eq =
-       ci1->shred_version                    == ci2->shred_version
-    && ci1->instance_creation_wallclock_nanos== ci2->instance_creation_wallclock_nanos
+ //    ci1->shred_version                    == ci2->shred_version
+ // && ci1->instance_creation_wallclock_nanos== ci2->instance_creation_wallclock_nanos
  // && ci1->wallclock_nanos                  == ci2->wallclock_nanos
-    && ci1->version.client                   == ci2->version.client
+       ci1->version.client                   == ci2->version.client
     && ci1->version.major                    == ci2->version.major
     && ci1->version.minor                    == ci2->version.minor
-    && ci1->version.patch                    == ci2->version.patch
-    && ci1->version.commit                   == ci2->version.commit
-    && ci1->version.feature_set              == ci2->version.feature_set;
+    && ci1->version.patch                    == ci2->version.patch;
+ // && ci1->version.commit                   == ci2->version.commit
+ // && ci1->version.feature_set              == ci2->version.feature_set;
 
     if( FD_LIKELY( !ci_eq ) ) return 0;
-    for( ulong j=0UL; j<(FD_CONTACT_INFO_SOCKET_CNT); j++ ) {
-      if( FD_LIKELY( !(ci1->sockets[ j ].addr==ci2->sockets[ j ].addr && ci1->sockets[ j ].port==ci2->sockets[ j ].port) ) ) return 0;
-    }
+    // for( ulong j=0UL; j<(FD_CONTACT_INFO_SOCKET_CNT); j++ ) {
+    //   if( FD_LIKELY( !(ci1->sockets[ j ].addr==ci2->sockets[ j ].addr && ci1->sockets[ j ].port==ci2->sockets[ j ].port) ) ) return 0;
+    // }
+    if( FD_LIKELY( !(ci1->sockets[ FD_CONTACT_INFO_SOCKET_TVU ].addr==ci2->sockets[ FD_CONTACT_INFO_SOCKET_TVU ].addr && ci1->sockets[ FD_CONTACT_INFO_SOCKET_TVU ].port==ci2->sockets[ FD_CONTACT_INFO_SOCKET_TVU ].port) ) ) return 0;
+
     return 1;
 }
 
@@ -789,6 +791,10 @@ fd_gui_peers_handle_vote_update( fd_gui_peers_ctx_t *  peers,
 
     fd_gui_peers_node_t * peer = peers->contact_info_table + peer_idx;
 
+    /* Shard vote updates over a 10 second period. This prevents a huge
+       spike in stake updates the first time during startup. */
+    if( (((ulong)now % (ulong)(10UL*1e9)) / (ulong)1e9) != (i % 10) ) continue;
+
     /* TODO: we only publish updates when stake changes, otherwise we'd
        have to republish for every peer every slot, which ends up being
        too much bandwidth because we republish all the peer info.