From 8b71ea924a4112a68fe4a1328885723007e5fe7a Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 7 Jul 2017 21:15:42 +0930
Subject: [PATCH] lightningd: don't crash when simply using closingd just for
 retransmission.

test_closing_negotiation_reconnect (__main__.LightningDTests) ... peer state CLOSINGD_COMPLETE should be CLOSINGD_SIGEXCHANGE

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 lightningd/peer_control.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lightningd/peer_control.c b/lightningd/peer_control.c
index 9afaf2e2d..e0d909a20 100644
--- a/lightningd/peer_control.c
+++ b/lightningd/peer_control.c
@@ -1276,6 +1276,10 @@ static int peer_closing_complete(struct peer *peer, const u8 *msg)
 		return -1;
 	}
 
+	/* Retransmission only, ignore closing. */
+	if (peer->state == CLOSINGD_COMPLETE)
+		return -1;
+
 	if (!peer->closing_sig_received) {
 		peer_internal_error(peer,
 				    "closing_complete without sending sig!");