X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=754ef5634250c80fae5ebd138a9f423664fcc5ee;hb=9d8d24f6906d6fbdc6c02a88e5e2298c1fa50825;hp=0c60622e0816c563926c4f5943a2bf6eab440f78;hpb=730f6f334e4b091c87c4b2fe4ce38c8b9b179b57;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 0c60622e..754ef563 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -28,8 +28,10 @@ use routing::network_graph::RoutingFees; use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures}; use ln::msgs; use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction}; +use ln::script::ShutdownScript; use util::enforcing_trait_impls::EnforcingSigner; use util::{byte_utils, test_utils}; +use util::test_utils::OnGetShutdownScriptpubkey; use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose}; use util::errors::APIError; use util::ser::{Writeable, ReadableArgs}; @@ -55,6 +57,7 @@ use io; use prelude::*; use alloc::collections::BTreeSet; use core::default::Default; +use core::num::NonZeroU8; use sync::{Arc, Mutex}; use ln::functional_test_utils::*; @@ -5893,7 +5896,7 @@ fn test_key_derivation_params() { let seed = [42; 32]; let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet); let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister, &keys_manager); - let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager: &keys_manager, node_seed: seed }; + let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager: &keys_manager, node_seed: seed, features: InitFeatures::known() }; let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs); node_cfgs.remove(0); node_cfgs.insert(0, node); @@ -7477,9 +7480,9 @@ fn test_upfront_shutdown_script() { let flags_no = InitFeatures::known().clear_upfront_shutdown_script(); let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, flags_no, flags.clone()); nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); - let mut node_1_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()); - node_1_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh(); + let node_1_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()); nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown); + check_added_monitors!(nodes[1], 1); let events = nodes[1].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 1); match events[0] { @@ -7491,8 +7494,8 @@ fn test_upfront_shutdown_script() { // channel smoothly, opt-out is from channel initiator here let chan = create_announced_chan_between_nodes_with_value(&nodes, 1, 0, 1000000, 1000000, flags.clone(), flags.clone()); nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); - 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_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh(); + check_added_monitors!(nodes[1], 1); + let node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); 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(), 1); @@ -7505,8 +7508,8 @@ fn test_upfront_shutdown_script() { //// channel smoothly let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, flags.clone(), flags.clone()); nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap(); - 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_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh(); + check_added_monitors!(nodes[1], 1); + let node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id()); 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); @@ -7521,10 +7524,56 @@ 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 option_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_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: Script(OP_PUSHNUM_16 OP_PUSHBYTES_2 0028)"); + }, + _ => 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_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: Script(OP_PUSHNUM_16 OP_PUSHBYTES_2 0028)"); + }, + _ => 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]); @@ -7532,27 +7581,26 @@ fn test_upfront_shutdown_script_unsupport_segwit() { 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); 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)); + assert_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: Script(OP_0 OP_PUSHBYTES_2 0000)"); }, _ => panic!("Unexpected event"), } } #[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; @@ -7563,14 +7611,17 @@ 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()); + let chan = create_announced_chan_between_nodes(&nodes, 0, 1, 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 segwit v0 script supported even without option_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]) + 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] { @@ -7584,7 +7635,7 @@ fn test_shutdown_script_any_segwit_allowed() { } #[test] -fn test_shutdown_script_any_segwit_not_allowed() { +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; @@ -7595,22 +7646,73 @@ 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 chan = create_announced_chan_between_nodes(&nodes, 0, 1, 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 option_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]) .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(), &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_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; + config.channel_options.commit_upfront_shutdown_pubkey = false; + let user_cfgs = [None, Some(config), None]; + let chanmon_cfgs = create_chanmon_cfgs(3); + let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs); + node_cfgs[0].features = InitFeatures::known().clear_shutdown_anysegwit(); + node_cfgs[1].features = InitFeatures::known().clear_shutdown_anysegwit(); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs); + let nodes = create_network(3, &node_cfgs, &node_chanmgrs); + + // Check that using an unsupported shutdown script fails and a supported one succeeds. + let supported_shutdown_script = chanmon_cfgs[1].keys_manager.get_shutdown_scriptpubkey(); + let unsupported_shutdown_script = + ShutdownScript::new_witness_program(NonZeroU8::new(16).unwrap(), &[0, 40]).unwrap(); + chanmon_cfgs[1].keys_manager + .expect(OnGetShutdownScriptpubkey { returns: unsupported_shutdown_script.clone() }) + .expect(OnGetShutdownScriptpubkey { returns: supported_shutdown_script }); + + let chan = create_announced_chan_between_nodes(&nodes, 0, 1, node_cfgs[0].features.clone(), node_cfgs[1].features.clone()); + match nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()) { + Err(APIError::IncompatibleShutdownScript { script }) => { + assert_eq!(script.into_inner(), unsupported_shutdown_script.clone().into_inner()); + }, + Err(e) => panic!("Unexpected error: {:?}", e), + Ok(_) => panic!("Expected error"), + } + 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 unsupported without option_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 = unsupported_shutdown_script.into_inner(); + nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_cfgs[1].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"), } @@ -7618,7 +7720,7 @@ 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; @@ -7629,15 +7731,17 @@ 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()); + let chan = create_announced_chan_between_nodes(&nodes, 0, 1, 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 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] { @@ -7665,7 +7769,7 @@ fn test_user_configurable_csv_delay() { let nodes = create_network(2, &node_cfgs, &node_chanmgrs); // We test config.our_to_self > BREAKDOWN_TIMEOUT is enforced in Channel::new_outbound() - if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) { + if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), 1000000, 1000000, 0, &low_our_to_self_config) { match error { APIError::APIMisuseError { err } => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); }, _ => panic!("Unexpected event"), @@ -7676,7 +7780,7 @@ fn test_user_configurable_csv_delay() { nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap(); let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id()); open_channel.to_self_delay = 200; - if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) { + if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) { match error { ChannelError::Close(err) => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); }, _ => panic!("Unexpected event"), @@ -7702,7 +7806,7 @@ fn test_user_configurable_csv_delay() { nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap(); let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id()); open_channel.to_self_delay = 200; - if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) { + if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), &InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) { match error { ChannelError::Close(err) => { assert!(regex::Regex::new(r"They wanted our payments to be delayed by a needlessly long period\. Upper limit: \d+\. Actual: \d+").unwrap().is_match(err.as_str())); }, _ => panic!("Unexpected event"),