From dd55d435203853d3aadee7dd9ad37aefd938cae3 Mon Sep 17 00:00:00 2001
From: Wilmer Paulino <wilmer.paulino@gmail.com>
Date: Wed, 23 Oct 2019 17:37:01 -0400
Subject: [PATCH] rpcserver: ensure server has started before CloseChannel

We do this as a general sanity check to ensure channels cannot be closed
while either the backend is still syncing or the server is still
starting.
---
 rpcserver.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rpcserver.go b/rpcserver.go
index e4928d9e..3553f50e 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -1698,6 +1698,10 @@ func GetChanPointFundingTxid(chanPoint *lnrpc.ChannelPoint) (*chainhash.Hash, er
 func (r *rpcServer) CloseChannel(in *lnrpc.CloseChannelRequest,
 	updateStream lnrpc.Lightning_CloseChannelServer) error {
 
+	if !r.server.Started() {
+		return ErrServerNotActive
+	}
+
 	// If the user didn't specify a channel point, then we'll reject this
 	// request all together.
 	if in.GetChannelPoint() == nil {