X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchanmon_update_fail_tests.rs;h=5772d015b5680fc7bd1b25cd13c6464356ab944d;hb=4833d1acf9fd7755db5aaaaa50f3e54e8446d6b3;hp=7991e13065a49601e831d513e776052a03852fcf;hpb=7ec52c6ecbaf36f66f15302cf0b22a84f7dc0fa8;p=rust-lightning diff --git a/lightning/src/ln/chanmon_update_fail_tests.rs b/lightning/src/ln/chanmon_update_fail_tests.rs index 7991e130..5772d015 100644 --- a/lightning/src/ln/chanmon_update_fail_tests.rs +++ b/lightning/src/ln/chanmon_update_fail_tests.rs @@ -5,8 +5,9 @@ use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash}; use ln::channelmonitor::ChannelMonitorUpdateErr; +use ln::features::InitFeatures; use ln::msgs; -use ln::msgs::{ChannelMessageHandler, ErrorAction, Features, FeatureContextInit, RoutingMessageHandler}; +use ln::msgs::{ChannelMessageHandler, ErrorAction, RoutingMessageHandler}; use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider}; use util::errors::APIError; @@ -18,11 +19,13 @@ use ln::functional_test_utils::*; #[test] fn test_simple_monitor_permanent_update_fail() { // Test that we handle a simple permanent monitor update failure - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap(); - let (_, payment_hash_1) = get_payment_preimage_hash!(nodes[0]); + let (_, payment_hash_1) = get_payment_preimage_hash!(&nodes[0]); *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::PermanentFailure); if let Err(APIError::ChannelUnavailable {..}) = nodes[0].node.send_payment(route, payment_hash_1) {} else { panic!(); } @@ -48,11 +51,13 @@ fn test_simple_monitor_permanent_update_fail() { fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) { // Test that we can recover from a simple temporary monitor update failure optionally with // a disconnect in between - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap(); - let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]); + let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(&nodes[0]); *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); if let Err(APIError::MonitorUpdateFailed) = nodes[0].node.send_payment(route.clone(), payment_hash_1) {} else { panic!(); } @@ -94,7 +99,7 @@ fn do_test_simple_monitor_temporary_update_fail(disconnect: bool) { claim_payment(&nodes[0], &[&nodes[1]], payment_preimage_1, 1_000_000); // Now set it to failed again... - let (_, payment_hash_2) = get_payment_preimage_hash!(nodes[0]); + let (_, payment_hash_2) = get_payment_preimage_hash!(&nodes[0]); *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); if let Err(APIError::MonitorUpdateFailed) = nodes[0].node.send_payment(route, payment_hash_2) {} else { panic!(); } check_added_monitors!(nodes[0], 1); @@ -147,8 +152,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) { // * We then walk through more message exchanges to get the original update_add_htlc // through, swapping message ordering based on disconnect_count & 8 and optionally // disconnect/reconnecting based on disconnect_count. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); @@ -214,10 +221,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) { nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); assert_eq!(reestablish_1.len(), 1); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); assert_eq!(reestablish_2.len(), 1); @@ -236,10 +243,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) { assert!(nodes[0].node.get_and_clear_pending_events().is_empty()); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]); assert_eq!(reestablish_1.len(), 1); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]); assert_eq!(reestablish_2.len(), 1); @@ -473,8 +480,10 @@ fn test_monitor_temporary_update_fail_c() { #[test] fn test_monitor_update_fail_cs() { // Tests handling of a monitor update failure when processing an incoming commitment_signed - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap(); let (payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); @@ -552,8 +561,10 @@ fn test_monitor_update_fail_no_rebroadcast() { // Tests handling of a monitor update failure when no message rebroadcasting on // test_restore_channel_monitor() is required. Backported from // chanmon_fail_consistency fuzz tests. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap(); let (payment_preimage_1, our_payment_hash) = get_payment_preimage_hash!(nodes[0]); @@ -594,8 +605,10 @@ fn test_monitor_update_fail_no_rebroadcast() { fn test_monitor_update_raa_while_paused() { // Tests handling of an RAA while monitor updating has already been marked failed. // Backported from chanmon_fail_consistency fuzz tests as this used to be broken. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); send_payment(&nodes[0], &[&nodes[1]], 5000000, 5_000_000); @@ -661,9 +674,11 @@ fn test_monitor_update_raa_while_paused() { fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) { // Tests handling of a monitor update failure when processing an incoming RAA - let mut nodes = create_network(3, &[None, None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); - let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(3); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]); + let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); + let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported()); // Rebalance a bit so that we can send backwards from 2 to 1. send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000); @@ -914,9 +929,11 @@ fn test_monitor_update_fail_reestablish() { // Simple test for message retransmission after monitor update failure on // channel_reestablish generating a monitor update (which comes from freeing holding cell // HTLCs). - let mut nodes = create_network(3, &[None, None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); - create_announced_chan_between_nodes(&nodes, 1, 2, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(3); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]); + let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); + create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported()); let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000); @@ -937,8 +954,8 @@ fn test_monitor_update_fail_reestablish() { commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false); *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let as_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id()); let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()); @@ -953,8 +970,8 @@ fn test_monitor_update_fail_reestablish() { nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); assert!(as_reestablish == get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id())); assert!(bs_reestablish == get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id())); @@ -992,8 +1009,10 @@ fn raa_no_response_awaiting_raa_state() { // due to a previous monitor update failure, we still set AwaitingRemoteRevoke on the channel // in question (assuming it intends to respond with a CS after monitor updating is restored). // Backported from chanmon_fail_consistency fuzz tests as this used to be broken. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap(); let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]); @@ -1105,8 +1124,10 @@ fn claim_while_disconnected_monitor_update_fail() { // Backported from chanmon_fail_consistency fuzz tests as an unmerged version of the handling // code introduced a regression in this test (specifically, this caught a removal of the // channel_reestablish handling ensuring the order was sensical given the messages used). - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); // Forward a payment for B to claim let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); @@ -1117,8 +1138,8 @@ fn claim_while_disconnected_monitor_update_fail() { assert!(nodes[1].node.claim_funds(payment_preimage_1, 1_000_000)); check_added_monitors!(nodes[1], 1); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let as_reconnect = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id()); let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()); @@ -1220,8 +1241,10 @@ fn monitor_failed_no_reestablish_response() { // response to a commitment_signed. // Backported from chanmon_fail_consistency fuzz tests as it caught a long-standing // debug_assert!() failure in channel_reestablish handling. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); // Route the payment and deliver the initial commitment_signed (with a monitor update failure // on receipt). @@ -1245,8 +1268,8 @@ fn monitor_failed_no_reestablish_response() { nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false); nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); - nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id()); - nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id()); + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); let as_reconnect = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id()); let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()); @@ -1286,8 +1309,10 @@ fn first_message_on_recv_ordering() { // have no pending response but will want to send a RAA/CS (with the updates for the second // payment applied). // Backported from chanmon_fail_consistency fuzz tests as it caught a bug here. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); // Route the first payment outbound, holding the last RAA for B until we are set up so that we // can deliver it and fail the monitor update. @@ -1371,9 +1396,11 @@ fn test_monitor_update_fail_claim() { // update to claim the payment. We then send a payment C->B->A, making the forward of this // payment from B to A fail due to the paused channel. Finally, we restore the channel monitor // updating and claim the payment on B. - let mut nodes = create_network(3, &[None, None, None]); - let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); - create_announced_chan_between_nodes(&nodes, 1, 2, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(3); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]); + let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs); + let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); + create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported()); // Rebalance a bit so that we can send backwards from 3 to 2. send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000); @@ -1444,9 +1471,11 @@ fn test_monitor_update_on_pending_forwards() { // We do this with a simple 3-node network, sending a payment from A to C and one from C to A. // The payment from A to C will be failed by C and pending a back-fail to A, while the payment // from C to A will be pending a forward to A. - let mut nodes = create_network(3, &[None, None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); - create_announced_chan_between_nodes(&nodes, 1, 2, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(3); + let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]); + let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); + create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported()); // Rebalance a bit so that we can send backwards from 3 to 1. send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000); @@ -1509,8 +1538,10 @@ fn monitor_update_claim_fail_no_response() { // to channel being AwaitingRAA). // Backported from chanmon_fail_consistency fuzz tests as an unmerged version of the handling // code was broken. - let mut nodes = create_network(2, &[None, None]); - create_announced_chan_between_nodes(&nodes, 0, 1, Features::::supported(), Features::::supported()); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()); // Forward a payment for B to claim let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000); @@ -1568,11 +1599,13 @@ fn monitor_update_claim_fail_no_response() { fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails: bool, fail_on_signed: bool, confirm_a_first: bool, restore_b_before_conf: bool) { // Test that if the monitor update generated by funding_transaction_generated fails we continue // the channel setup happily after the update is restored. - let mut nodes = create_network(2, &[None, None]); + let node_cfgs = create_node_cfgs(2); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 43).unwrap(); - nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), Features::::supported(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id())); - nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), Features::::supported(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id())); + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id())); + nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id())); let (temporary_channel_id, funding_tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 43);