From ca512e3cb277985f38ebc8c32e858d4092cf46e0 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Thu, 2 Apr 2020 14:38:47 +1030
Subject: [PATCH] plugins/pay: use feature set from lightningd to decode
 bolt11.

This means we correctly reject invoices with features we don't understand.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 plugins/pay.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/pay.c b/plugins/pay.c
index cc55f703e..ffae830d6 100644
--- a/plugins/pay.c
+++ b/plugins/pay.c
@@ -1283,8 +1283,8 @@ static struct command_result *json_pay(struct command *cmd,
 		   NULL))
 		return command_param_failed();
 
-	/* FIXME: We need to know our features! */
-	b11 = bolt11_decode(cmd, b11str, NULL, NULL, &fail);
+	b11 = bolt11_decode(cmd, b11str, plugin_feature_set(cmd->plugin),
+			    NULL, &fail);
 	if (!b11) {
 		return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
 				    "Invalid bolt11: %s", fail);