From c22d7012a3cccc23b6ccf70c3d8d4d1a014e158d Mon Sep 17 00:00:00 2001
From: Simon Vrouwe <s_github@protonmail.com>
Date: Thu, 11 Oct 2018 09:41:48 +0300
Subject: [PATCH] lightningd: fail fundchannel command when feerate is below
 feerate_floor

---
 lightningd/opening_control.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lightningd/opening_control.c b/lightningd/opening_control.c
index 433d4a3cf..c008eb9ef 100644
--- a/lightningd/opening_control.c
+++ b/lightningd/opening_control.c
@@ -1,3 +1,4 @@
+#include "bitcoin/feerate.h"
 #include <bitcoin/privkey.h>
 #include <bitcoin/script.h>
 #include <ccan/tal/str/str.h>
@@ -791,6 +792,11 @@ static void json_fund_channel(struct command *cmd,
 		}
 	}
 
+	if (*feerate_per_kw < feerate_floor()) {
+		command_fail(cmd, LIGHTNINGD, "Feerate below feerate floor");
+			return;
+	}
+
 	peer = peer_by_id(cmd->ld, id);
 	if (!peer) {
 		command_fail(cmd, LIGHTNINGD, "Unknown peer");