From 56b684074d56c1713df34b4f9c74eba200b11f5b Mon Sep 17 00:00:00 2001
From: Jitendra Bhurat <jbhurat@gmail.com>
Date: Wed, 3 Jun 2020 09:19:38 -0400
Subject: [PATCH] Not sending a roundchange message when receiving an invalid
 proposal in preprepare

---
 consensus/qibft/core/preprepare.go | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/consensus/qibft/core/preprepare.go b/consensus/qibft/core/preprepare.go
index 50ab460f6..5cb5cef3c 100644
--- a/consensus/qibft/core/preprepare.go
+++ b/consensus/qibft/core/preprepare.go
@@ -105,9 +105,6 @@ func (c *core) handlePreprepare(msg *message, src istanbul.Validator) error {
 					msg: msg,
 				})
 			})
-		} else {
-			logger.Warn("Failed to verify proposal", "err", err, "duration", duration)
-			c.sendNextRoundChange()
 		}
 		return err
 	}