From 530eadd11c362575e5ad7d01e3116295844af330 Mon Sep 17 00:00:00 2001
From: Olaoluwa Osuntokun <laolu32@gmail.com>
Date: Tue, 11 Dec 2018 15:56:00 -0800
Subject: [PATCH] rpcserver: ensure ChannelPoint is set in CloseChannel

Fixes #2317.
---
 rpcserver.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rpcserver.go b/rpcserver.go
index 3456789a..69ea0867 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -1280,6 +1280,12 @@ func getChanPointFundingTxid(chanPoint *lnrpc.ChannelPoint) ([]byte, error) {
 func (r *rpcServer) CloseChannel(in *lnrpc.CloseChannelRequest,
 	updateStream lnrpc.Lightning_CloseChannelServer) error {
 
+	// If the user didn't specify a channel point, then we'll reject this
+	// request all together.
+	if in.GetChannelPoint() == nil {
+		return fmt.Errorf("must specify channel point in close channel")
+	}
+
 	force := in.Force
 	index := in.ChannelPoint.OutputIndex
 	txidHash, err := getChanPointFundingTxid(in.GetChannelPoint())