From 0a48465e804c4a2a7ab81fd381bac3a105a41f01 Mon Sep 17 00:00:00 2001
From: Jimmy Hu <jimmy.hu@dexon.org>
Date: Thu, 14 Mar 2019 13:15:03 +0800
Subject: dex: priority for ba vote (#256)

* dex: priority select on vote

* More aggressive priority for vote

* collect all queuedVotes
---
 dex/peer.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/dex/peer.go b/dex/peer.go
index 64798aaaf..d0b81a03e 100644
--- a/dex/peer.go
+++ b/dex/peer.go
@@ -201,7 +201,24 @@ func newPeer(version int, p *p2p.Peer, rw p2p.MsgReadWriter) *peer {
 // transaction and notary node records broadcasts into the remote peer.
 // The goal is to have an async writer that does not lock up node internals.
 func (p *peer) broadcast() {
+	queuedVotes := make([]*coreTypes.Vote, 0, maxQueuedVotes)
 	for {
+	PriorityBroadcastVote:
+		for {
+			select {
+			case votes := <-p.queuedVotes:
+				queuedVotes = append(queuedVotes, votes...)
+			default:
+				break PriorityBroadcastVote
+			}
+		}
+		if len(queuedVotes) != 0 {
+			if err := p.SendVotes(queuedVotes); err != nil {
+				return
+			}
+			p.Log().Trace("Broadcast votes", "count", len(queuedVotes))
+			queuedVotes = queuedVotes[:0]
+		}
 		select {
 		case records := <-p.queuedRecords:
 			if err := p.SendNodeRecords(records); err != nil {
-- 
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