From: Matt Corallo <git@bluematt.me>
Date: Wed, 21 Apr 2021 00:35:23 +0000 (+0000)
Subject: [fuzz] Do not fail in FST if a channel is closed before we fund it
X-Git-Tag: v0.0.98~10^2~3
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=rust-lightning;a=commitdiff_plain;h=a53764a58b8b9e412aa5f66eb4789954c6afc963

[fuzz] Do not fail in FST if a channel is closed before we fund it
---

diff --git a/fuzz/src/full_stack.rs b/fuzz/src/full_stack.rs
index 52b37a10..0613d3a0 100644
--- a/fuzz/src/full_stack.rs
+++ b/fuzz/src/full_stack.rs
@@ -39,6 +39,7 @@ use lightning::ln::msgs::DecodeError;
 use lightning::routing::router::get_route;
 use lightning::routing::network_graph::NetGraphMsgHandler;
 use lightning::util::config::UserConfig;
+use lightning::util::errors::APIError;
 use lightning::util::events::Event;
 use lightning::util::enforcing_trait_impls::EnforcingSigner;
 use lightning::util::logger::Logger;
@@ -531,7 +532,13 @@ pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
 							continue 'outer_loop;
 						}
 					};
-					channelmanager.funding_transaction_generated(&funding_generation.0, tx.clone()).unwrap();
+					if let Err(e) = channelmanager.funding_transaction_generated(&funding_generation.0, tx.clone()) {
+						// It's possible the channel has been closed in the mean time, but any other
+						// failure may be a bug.
+						if let APIError::ChannelUnavailable { err } = e {
+							assert_eq!(err, "No such channel");
+						} else { panic!(); }
+					}
 					pending_funding_signatures.insert(funding_output, tx);
 				}
 			},