From: Jeffrey Czyz Date: Thu, 29 Jul 2021 17:41:03 +0000 (-0500) Subject: Clean up and add shutdown script functional tests X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=e861ad66f162b2546507cfedcf160462ea39a8eb;p=rust-lightning Clean up and add shutdown script functional tests --- diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index a13b06d8d..9c71e070b 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -7518,24 +7518,69 @@ fn test_upfront_shutdown_script() { } #[test] -fn test_upfront_shutdown_script_unsupport_segwit() { - // We test that channel is closed early - // if a segwit program is passed as upfront shutdown script, - // but the peer does not support segwit. +fn test_unsupported_anysegwit_upfront_shutdown_script() { let chanmon_cfgs = create_chanmon_cfgs(2); let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + // Use a non-v0 segwit script supported by opt_shutdown_anysegwit + let node_features = InitFeatures::known().clear_shutdown_anysegwit(); + let anysegwit_shutdown_script = Builder::new() + .push_int(16) + .push_slice(&[0, 40]) + .into_script(); + + // Check script when handling an open_channel message + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap(); + let mut open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + open_channel.shutdown_scriptpubkey = Present(anysegwit_shutdown_script.clone()); + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), node_features.clone(), &open_channel); + + let events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + match events[0] { + MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => { + assert_eq!(node_id, nodes[0].node.get_our_node_id()); + assert!(regex::Regex::new(r"Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. script: (\([A-Fa-f0-9]+\))").unwrap().is_match(&*msg.data)); + }, + _ => panic!("Unexpected event"), + } + + // Check script when handling an accept_channel message nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap(); + let open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel); + let mut accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()); + accept_channel.shutdown_scriptpubkey = Present(anysegwit_shutdown_script.clone()); + nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), node_features, &accept_channel); + let events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + match events[0] { + MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => { + assert_eq!(node_id, nodes[1].node.get_our_node_id()); + assert!(regex::Regex::new(r"Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. script: (\([A-Fa-f0-9]+\))").unwrap().is_match(&*msg.data)); + }, + _ => panic!("Unexpected event"), + } +} + +#[test] +fn test_invalid_upfront_shutdown_script() { + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap(); + + // Use a segwit v0 script with an unsupported witness program let mut open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); - open_channel.shutdown_scriptpubkey = Present(Builder::new().push_int(16) + open_channel.shutdown_scriptpubkey = Present(Builder::new().push_int(0) .push_slice(&[0, 0]) .into_script()); - - let features = InitFeatures::known().clear_shutdown_anysegwit(); - nodes[0].node.handle_open_channel(&nodes[0].node.get_our_node_id(), features, &open_channel); + nodes[0].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel); let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 1); @@ -7549,7 +7594,41 @@ fn test_upfront_shutdown_script_unsupport_segwit() { } #[test] -fn test_shutdown_script_any_segwit_allowed() { +fn test_segwit_v0_shutdown_script() { + let mut config = UserConfig::default(); + config.channel_options.announced_channel = true; + config.peer_channel_config_limits.force_announced_channel_preference = false; + config.channel_options.commit_upfront_shutdown_pubkey = false; + let user_cfgs = [None, Some(config), None]; + let chanmon_cfgs = create_chanmon_cfgs(3); + let node_cfgs = create_node_cfgs(3, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs); + let nodes = create_network(3, &node_cfgs, &node_chanmgrs); + + let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known()); + nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); + + // Use a segwit v0 script supported even without opt_shutdown_anysegwit + let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); + node_0_shutdown.scriptpubkey = Builder::new().push_int(0) + .push_slice(&[0; 20]) + .into_script(); + nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown); + + let events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 2); + match events[0] { + MessageSendEvent::SendShutdown { node_id, .. } => { assert_eq!(node_id, nodes[1].node.get_our_node_id()) } + _ => panic!("Unexpected event"), + } + match events[1] { + MessageSendEvent::SendClosingSigned { node_id, .. } => { assert_eq!(node_id, nodes[1].node.get_our_node_id()) } + _ => panic!("Unexpected event"), + } +} + +#[test] +fn test_anysegwit_shutdown_script() { let mut config = UserConfig::default(); config.channel_options.announced_channel = true; config.peer_channel_config_limits.force_announced_channel_preference = false; @@ -7560,14 +7639,17 @@ fn test_shutdown_script_any_segwit_allowed() { let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs); let nodes = create_network(3, &node_cfgs, &node_chanmgrs); - //// We test if the remote peer accepts opt_shutdown_anysegwit, a witness program can be used on shutdown let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known()); nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); + check_added_monitors!(nodes[1], 1); + + // Use a non-v0 segwit script supported by opt_shutdown_anysegwit let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); node_0_shutdown.scriptpubkey = Builder::new().push_int(16) .push_slice(&[0, 0]) .into_script(); nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown); + let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 2); match events[0] { @@ -7581,7 +7663,7 @@ fn test_shutdown_script_any_segwit_allowed() { } #[test] -fn test_shutdown_script_any_segwit_not_allowed() { +fn test_unsupported_anysegwit_shutdown_script() { let mut config = UserConfig::default(); config.channel_options.announced_channel = true; config.peer_channel_config_limits.force_announced_channel_preference = false; @@ -7592,22 +7674,23 @@ fn test_shutdown_script_any_segwit_not_allowed() { let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs); let nodes = create_network(3, &node_cfgs, &node_chanmgrs); - //// We test that if the remote peer does not accept opt_shutdown_anysegwit, the witness program cannot be used on shutdown - let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known()); + let node_features = InitFeatures::known().clear_shutdown_anysegwit(); + let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), node_features.clone()); nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); + + // Use a non-v0 segwit script supported by opt_shutdown_anysegwit let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); - // Make an any segwit version script node_0_shutdown.scriptpubkey = Builder::new().push_int(16) - .push_slice(&[0, 0]) + .push_slice(&[0, 40]) .into_script(); - let flags_no = InitFeatures::known().clear_shutdown_anysegwit(); - nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &flags_no, &node_0_shutdown); + nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_features, &node_0_shutdown); + let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 2); match events[1] { MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => { assert_eq!(node_id, nodes[1].node.get_our_node_id()); - assert_eq!(msg.data, "Got a nonstandard scriptpubkey (60020000) from remote peer".to_owned()) + assert_eq!(msg.data, "Got a nonstandard scriptpubkey (60020028) from remote peer".to_owned()); }, _ => panic!("Unexpected event"), } @@ -7615,7 +7698,7 @@ fn test_shutdown_script_any_segwit_not_allowed() { } #[test] -fn test_shutdown_script_segwit_but_not_anysegwit() { +fn test_invalid_shutdown_script() { let mut config = UserConfig::default(); config.channel_options.announced_channel = true; config.peer_channel_config_limits.force_announced_channel_preference = false; @@ -7626,15 +7709,16 @@ fn test_shutdown_script_segwit_but_not_anysegwit() { let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs); let nodes = create_network(3, &node_cfgs, &node_chanmgrs); - //// We test that if shutdown any segwit is supported and we send a witness script with 0 version, this is not accepted let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known()); nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); + + // Use a segwit v0 script with an unsupported witness program let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); - // Make a segwit script that is not a valid as any segwit node_0_shutdown.scriptpubkey = Builder::new().push_int(0) .push_slice(&[0, 0]) .into_script(); nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown); + let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 2); match events[1] {