From 2dcf75a722f193ef5528f5af8fb4fd7c5824fded Mon Sep 17 00:00:00 2001
From: gluk256 <gluk256@users.noreply.github.com>
Date: Thu, 1 Dec 2016 20:09:22 +0100
Subject: whisper/shhapi, whisper/whisperv5: refactoring (#3364)

* Filter refactoring
* API tests added + bugfix
* fixed the error logs
* FilterID fixed
* test cases fixed
* key generation updated
* POW updated
* got rid of redundant stuff
---
 whisper/whisperv5/peer.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'whisper/whisperv5/peer.go')

diff --git a/whisper/whisperv5/peer.go b/whisper/whisperv5/peer.go
index fc1afb6d6..4273cfce1 100644
--- a/whisper/whisperv5/peer.go
+++ b/whisper/whisperv5/peer.go
@@ -165,6 +165,9 @@ func (p *Peer) broadcast() error {
 			p.mark(envelope)
 		}
 	}
+	if len(transmit) == 0 {
+		return nil
+	}
 	// Transmit the unknown batch (potentially empty)
 	if err := p2p.Send(p.ws, messagesCode, transmit); err != nil {
 		return err
-- 
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