Combine common fields of `AcceptChannel` & `AcceptChannelV2` into struct
[rust-lightning] / lightning / src / ln / shutdown_tests.rs
index 42c0e3b2f328cc1545edfdf3287dddab9e766ffe..f59ae6692f5187b7ef0a173fb5524cb113f6d859 100644 (file)
@@ -7,50 +7,55 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
-//! Tests of our shutdown and closing_signed negotiation logic.
-
-use chain::keysinterface::KeysInterface;
-use chain::transaction::OutPoint;
-use ln::channelmanager::PaymentSendFailure;
-use routing::router::{PaymentParameters, get_route};
-use ln::features::{InitFeatures, InvoiceFeatures};
-use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ErrorAction};
-use ln::script::ShutdownScript;
-use util::test_utils;
-use util::test_utils::OnGetShutdownScriptpubkey;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
-use util::errors::APIError;
-use util::config::UserConfig;
-
+//! Tests of our shutdown and closing_signed negotiation logic as well as some assorted force-close
+//! handling tests.
+
+use crate::sign::{EntropySource, SignerProvider};
+use crate::chain::ChannelMonitorUpdateStatus;
+use crate::chain::transaction::OutPoint;
+use crate::events::{Event, MessageSendEvent, HTLCDestination, MessageSendEventsProvider, ClosureReason};
+use crate::ln::channelmanager::{self, PaymentSendFailure, PaymentId, RecipientOnionFields, Retry, ChannelShutdownState, ChannelDetails};
+use crate::routing::router::{PaymentParameters, get_route, RouteParameters};
+use crate::ln::{ChannelId, msgs};
+use crate::ln::msgs::{ChannelMessageHandler, ErrorAction};
+use crate::ln::onion_utils::INVALID_ONION_BLINDING;
+use crate::ln::script::ShutdownScript;
+use crate::util::test_utils;
+use crate::util::test_utils::OnGetShutdownScriptpubkey;
+use crate::util::errors::APIError;
+use crate::util::config::UserConfig;
+use crate::util::string::UntrustedString;
+
+use bitcoin::{Transaction, TxOut};
+use bitcoin::blockdata::locktime::absolute::LockTime;
 use bitcoin::blockdata::script::Builder;
 use bitcoin::blockdata::opcodes;
 use bitcoin::network::constants::Network;
+use bitcoin::address::{WitnessProgram, WitnessVersion};
 
 use regex;
 
 use core::default::Default;
-use core::num::NonZeroU8;
+use std::convert::TryFrom;
 
-use ln::functional_test_utils::*;
-use ln::msgs::OptionalField::Present;
+use crate::ln::functional_test_utils::*;
 
 #[test]
 fn pre_funding_lock_shutdown_test() {
-       // Test sending a shutdown prior to funding_locked after funding generation
+       // Test sending a shutdown prior to channel_ready after funding generation
        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);
-       let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 8000000, 0, InitFeatures::known(), InitFeatures::known());
+       let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 8000000, 0);
        mine_transaction(&nodes[0], &tx);
        mine_transaction(&nodes[1], &tx);
 
-       nodes[0].node.close_channel(&OutPoint { txid: tx.txid(), index: 0 }.to_channel_id()).unwrap();
+       nodes[0].node.close_channel(&ChannelId::v1_from_funding_outpoint(OutPoint { txid: tx.txid(), index: 0 }), &nodes[1].node.get_our_node_id()).unwrap();
        let node_0_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_0_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        let node_1_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_1_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
 
        let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
@@ -63,8 +68,263 @@ fn pre_funding_lock_shutdown_test() {
 
        assert!(nodes[0].node.list_channels().is_empty());
        assert!(nodes[1].node.list_channels().is_empty());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 8000000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 8000000);
+}
+
+#[test]
+fn expect_channel_shutdown_state() {
+       // Test sending a shutdown prior to channel_ready after funding generation
+       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);
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+       nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+       let node_0_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(), &node_0_shutdown);
+
+       // node1 goes into NegotiatingClosingFee since there are no HTLCs in flight, note that it
+       // doesnt mean that node1 has sent/recved its closing signed message
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+       let node_1_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(), &node_1_shutdown);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+       let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
+       let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+       nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+       let (_, node_0_2nd_closing_signed) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
+       let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+       assert!(node_1_none.is_none());
+
+       assert!(nodes[0].node.list_channels().is_empty());
+       assert!(nodes[1].node.list_channels().is_empty());
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+}
+
+#[test]
+fn expect_channel_shutdown_state_with_htlc() {
+       // Test sending a shutdown with outstanding updates pending.
+       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, &[None, None, None]);
+       let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let _chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
+
+       let (payment_preimage_0, payment_hash_0, ..) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+       nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+       let node_0_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(), &node_0_shutdown);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+       let node_1_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(), &node_1_shutdown);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+       assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+       assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+       // Claim Funds on Node2
+       nodes[2].node.claim_funds(payment_preimage_0);
+       check_added_monitors!(nodes[2], 1);
+       expect_payment_claimed!(nodes[2], payment_hash_0, 100_000);
+
+       // Fulfil HTLCs on node1 and node0
+       let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+       assert!(updates.update_add_htlcs.is_empty());
+       assert!(updates.update_fail_htlcs.is_empty());
+       assert!(updates.update_fail_malformed_htlcs.is_empty());
+       assert!(updates.update_fee.is_none());
+       assert_eq!(updates.update_fulfill_htlcs.len(), 1);
+       nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
+       expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), false, false);
+       check_added_monitors!(nodes[1], 1);
+       let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+       commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
+
+       // Still in "resolvingHTLCs" on chan1 after htlc removed on chan2
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::ResolvingHTLCs);
+
+       assert!(updates_2.update_add_htlcs.is_empty());
+       assert!(updates_2.update_fail_htlcs.is_empty());
+       assert!(updates_2.update_fail_malformed_htlcs.is_empty());
+       assert!(updates_2.update_fee.is_none());
+       assert_eq!(updates_2.update_fulfill_htlcs.len(), 1);
+       nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates_2.update_fulfill_htlcs[0]);
+       commitment_signed_dance!(nodes[0], nodes[1], updates_2.commitment_signed, false, true);
+       expect_payment_sent!(nodes[0], payment_preimage_0);
+
+       // all htlcs removed, chan1 advances to NegotiatingClosingFee
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
+
+       // ClosingSignNegotion process
+       let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
+       let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+       nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+       let (_, node_0_2nd_closing_signed) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
+       let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+       assert!(node_1_none.is_none());
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+
+       // Shutdown basically removes the channelDetails, testing of shutdowncomplete state unnecessary
+       assert!(nodes[0].node.list_channels().is_empty());
+}
+
+#[test]
+fn test_lnd_bug_6039() {
+       // LND sends a nonsense error message any time it gets a shutdown if there are still HTLCs
+       // pending. We currently swallow that error to work around LND's bug #6039. This test emulates
+       // the LND nonsense and ensures we at least kinda handle it.
+       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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+       let (payment_preimage, ..) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+       nodes[0].node.close_channel(&chan.2, &nodes[1].node.get_our_node_id()).unwrap();
+       let node_0_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(), &node_0_shutdown);
+
+       // Generate an lnd-like error message and check that we respond by simply screaming louder to
+       // see if LND will accept our protocol compliance.
+       let err_msg = msgs::ErrorMessage { channel_id: chan.2, data: "link failed to shutdown".to_string() };
+       nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &err_msg);
+       let node_a_responses = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(node_a_responses[0], MessageSendEvent::SendShutdown {
+                       node_id: nodes[1].node.get_our_node_id(),
+                       msg: node_0_shutdown,
+               });
+       if let MessageSendEvent::HandleError { action: msgs::ErrorAction::SendWarningMessage { .. }, .. }
+               = node_a_responses[1] {} else { panic!(); }
+
+       let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+
+       assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+       assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+       claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+
+       // Assume that LND will eventually respond to our Shutdown if we clear all the remaining HTLCs
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+
+       // ClosingSignNegotion process
+       let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
+       let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+       nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+       let (_, node_0_2nd_closing_signed) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
+       let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+       assert!(node_1_none.is_none());
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+
+       // Shutdown basically removes the channelDetails, testing of shutdowncomplete state unnecessary
+       assert!(nodes[0].node.list_channels().is_empty());
+}
+
+#[test]
+fn shutdown_on_unfunded_channel() {
+       // Test receiving a shutdown prior to funding generation
+       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(), 1_000_000, 100_000, 0, None, None).unwrap();
+       let open_chan = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+
+       // Create a dummy P2WPKH script
+       let script = Builder::new().push_int(0)
+               .push_slice(&[0; 20])
+               .into_script();
+
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &msgs::Shutdown {
+               channel_id: open_chan.common_fields.temporary_channel_id, scriptpubkey: script,
+       });
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyCoopClosedUnfundedChannel, [nodes[1].node.get_our_node_id()], 1_000_000);
+}
+
+#[test]
+fn close_on_unfunded_channel() {
+       // Test the user asking us to close prior to funding generation
+       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);
+
+       let chan_id = nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1_000_000, 100_000, 0, None, None).unwrap();
+       let _open_chan = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+
+       nodes[0].node.close_channel(&chan_id, &nodes[1].node.get_our_node_id()).unwrap();
+       check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed, [nodes[1].node.get_our_node_id()], 1_000_000);
+}
+
+#[test]
+fn expect_channel_shutdown_state_with_force_closure() {
+       // Test sending a shutdown prior to channel_ready after funding generation
+       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);
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+       expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
+
+       nodes[1].node.force_close_broadcasting_latest_txn(&chan_1.2, &nodes[0].node.get_our_node_id()).unwrap();
+       check_closed_broadcast!(nodes[1], true);
+       check_added_monitors!(nodes[1], 1);
+
+       expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
+       assert!(nodes[1].node.list_channels().is_empty());
+
+       let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+       assert_eq!(node_txn.len(), 1);
+       check_spends!(node_txn[0], chan_1.3);
+       mine_transaction(&nodes[0], &node_txn[0]);
+       check_added_monitors!(nodes[0], 1);
+
+       assert!(nodes[0].node.list_channels().is_empty());
+       assert!(nodes[1].node.list_channels().is_empty());
+       check_closed_broadcast!(nodes[0], true);
+       check_closed_event!(nodes[0], 1, ClosureReason::CommitmentTxConfirmed, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::HolderForceClosed, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -74,35 +334,47 @@ fn updates_shutdown_wait() {
        let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
        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::known(), InitFeatures::known());
-       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
        let logger = test_utils::TestLogger::new();
-       let scorer = test_utils::TestScorer::with_penalty(0);
+       let scorer = test_utils::TestScorer::new();
        let keys_manager = test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
        let random_seed_bytes = keys_manager.get_secure_random_bytes();
 
-       let (payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100000);
+       let (payment_preimage_0, payment_hash_0, ..) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
 
-       nodes[0].node.close_channel(&chan_1.2).unwrap();
+       nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
        let node_0_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_0_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        let node_1_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_1_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
 
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
        let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[0]);
 
-       let payment_params_1 = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route_1 = get_route(&nodes[0].node.get_our_node_id(), &payment_params_1, &nodes[0].network_graph.read_only(), None, 100000, TEST_FINAL_CLTV, &logger, &scorer, &random_seed_bytes).unwrap();
-       let payment_params_2 = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known());
-       let route_2 = get_route(&nodes[1].node.get_our_node_id(), &payment_params_2, &nodes[1].network_graph.read_only(), None, 100000, TEST_FINAL_CLTV, &logger, &scorer, &random_seed_bytes).unwrap();
-       unwrap_send_err!(nodes[0].node.send_payment(&route_1, payment_hash, &Some(payment_secret)), true, APIError::ChannelUnavailable {..}, {});
-       unwrap_send_err!(nodes[1].node.send_payment(&route_2, payment_hash, &Some(payment_secret)), true, APIError::ChannelUnavailable {..}, {});
-
-       assert!(nodes[2].node.claim_funds(payment_preimage));
+       let payment_params_1 = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id(), TEST_FINAL_CLTV)
+               .with_bolt11_features(nodes[1].node.bolt11_invoice_features()).unwrap();
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params_1, 100_000);
+       let route_1 = get_route(&nodes[0].node.get_our_node_id(), &route_params,
+               &nodes[0].network_graph.read_only(), None, &logger, &scorer, &Default::default(), &random_seed_bytes).unwrap();
+       let payment_params_2 = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id(), TEST_FINAL_CLTV)
+               .with_bolt11_features(nodes[0].node.bolt11_invoice_features()).unwrap();
+       let route_params = RouteParameters::from_payment_params_and_value(payment_params_2, 100_000);
+       let route_2 = get_route(&nodes[1].node.get_our_node_id(), &route_params,
+               &nodes[1].network_graph.read_only(), None, &logger, &scorer, &Default::default(), &random_seed_bytes).unwrap();
+       unwrap_send_err!(nodes[0].node.send_payment_with_route(&route_1, payment_hash,
+                       RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)
+               ), true, APIError::ChannelUnavailable {..}, {});
+       unwrap_send_err!(nodes[1].node.send_payment_with_route(&route_2, payment_hash,
+                       RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)
+               ), true, APIError::ChannelUnavailable {..}, {});
+
+       nodes[2].node.claim_funds(payment_preimage_0);
        check_added_monitors!(nodes[2], 1);
+       expect_payment_claimed!(nodes[2], payment_hash_0, 100_000);
+
        let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
        assert!(updates.update_add_htlcs.is_empty());
        assert!(updates.update_fail_htlcs.is_empty());
@@ -110,7 +382,7 @@ fn updates_shutdown_wait() {
        assert!(updates.update_fee.is_none());
        assert_eq!(updates.update_fulfill_htlcs.len(), 1);
        nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
-       expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), false);
+       expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), false, false);
        check_added_monitors!(nodes[1], 1);
        let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
@@ -122,7 +394,7 @@ fn updates_shutdown_wait() {
        assert_eq!(updates_2.update_fulfill_htlcs.len(), 1);
        nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates_2.update_fulfill_htlcs[0]);
        commitment_signed_dance!(nodes[0], nodes[1], updates_2.commitment_signed, false, true);
-       expect_payment_sent!(nodes[0], payment_preimage);
+       expect_payment_sent!(nodes[0], payment_preimage_0);
 
        let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
@@ -132,8 +404,8 @@ fn updates_shutdown_wait() {
        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
        let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
        assert!(node_1_none.is_none());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 
        assert!(nodes[0].node.list_channels().is_empty());
 
@@ -142,22 +414,39 @@ fn updates_shutdown_wait() {
        close_channel(&nodes[1], &nodes[2], &chan_2.2, chan_2.3, true);
        assert!(nodes[1].node.list_channels().is_empty());
        assert!(nodes[2].node.list_channels().is_empty());
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
 fn htlc_fail_async_shutdown() {
+       do_htlc_fail_async_shutdown(true);
+       do_htlc_fail_async_shutdown(false);
+}
+
+fn do_htlc_fail_async_shutdown(blinded_recipient: bool) {
        // Test HTLCs fail if shutdown starts even if messages are delivered out-of-order
        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, &[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::known(), InitFeatures::known());
-       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
-
-       let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 100000);
-       nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
+
+       let amt_msat = 100000;
+       let (_, our_payment_hash, our_payment_secret) = get_payment_preimage_hash(&nodes[2], Some(amt_msat), None);
+       let route_params = if blinded_recipient {
+               crate::ln::blinded_payment_tests::get_blinded_route_parameters(
+                       amt_msat, our_payment_secret,
+                       nodes.iter().skip(1).map(|n| n.node.get_our_node_id()).collect(), &[&chan_2.0.contents],
+                       &chanmon_cfgs[2].keys_manager)
+       } else {
+               RouteParameters::from_payment_params_and_value(
+                       PaymentParameters::from_node_id(nodes[2].node.get_our_node_id(), TEST_FINAL_CLTV), amt_msat)
+       };
+       nodes[0].node.send_payment(our_payment_hash,
+               RecipientOnionFields::secret_only(our_payment_secret),
+               PaymentId(our_payment_hash.0), route_params, Retry::Attempts(0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        assert_eq!(updates.update_add_htlcs.len(), 1);
@@ -166,16 +455,16 @@ fn htlc_fail_async_shutdown() {
        assert!(updates.update_fail_malformed_htlcs.is_empty());
        assert!(updates.update_fee.is_none());
 
-       nodes[1].node.close_channel(&chan_1.2).unwrap();
+       nodes[1].node.close_channel(&chan_1.2, &nodes[0].node.get_our_node_id()).unwrap();
        let node_1_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_1_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
        let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
 
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
        nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &updates.commitment_signed);
        check_added_monitors!(nodes[1], 1);
-       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
-       commitment_signed_dance!(nodes[1], nodes[0], (), false, true, false);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+       commitment_signed_dance!(nodes[1], nodes[0], (), false, true, false, false);
 
        let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        assert!(updates_2.update_add_htlcs.is_empty());
@@ -187,7 +476,12 @@ fn htlc_fail_async_shutdown() {
        nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates_2.update_fail_htlcs[0]);
        commitment_signed_dance!(nodes[0], nodes[1], updates_2.commitment_signed, false, true);
 
-       expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_2.0.contents.short_channel_id, true);
+       if blinded_recipient {
+               expect_payment_failed_conditions(&nodes[0], our_payment_hash, false,
+                       PaymentFailedConditions::new().expected_htlc_error_data(INVALID_ONION_BLINDING, &[0; 32]));
+       } else {
+               expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_2.0.contents.short_channel_id, true);
+       }
 
        let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(msg_events.len(), 1);
@@ -215,9 +509,9 @@ fn htlc_fail_async_shutdown() {
        close_channel(&nodes[1], &nodes[2], &chan_2.2, chan_2.3, true);
        assert!(nodes[1].node.list_channels().is_empty());
        assert!(nodes[2].node.list_channels().is_empty());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 2, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 2, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id(), nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 fn do_test_shutdown_rebroadcast(recv_count: u8) {
@@ -227,28 +521,32 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
        let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
        let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
-       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
 
-       let (payment_preimage, _, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100000);
+       let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
 
-       nodes[1].node.close_channel(&chan_1.2).unwrap();
+       nodes[1].node.close_channel(&chan_1.2, &nodes[0].node.get_our_node_id()).unwrap();
        let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
        if recv_count > 0 {
-               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
+               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
                let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
                if recv_count > 1 {
-                       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
+                       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
                }
        }
 
-       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_disconnected(&nodes[1].node.get_our_node_id());
+       nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
 
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
-       let node_0_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
-       let node_1_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init {
+               features: nodes[1].node.init_features(), networks: None, remote_network_address: None
+       }, true).unwrap();
+       let node_0_reestablish = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init {
+               features: nodes[0].node.init_features(), networks: None, remote_network_address: None
+       }, false).unwrap();
+       let node_1_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
 
        nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &node_0_reestablish);
        let node_1_2nd_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
@@ -257,21 +555,23 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
        nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &node_1_reestablish);
        let node_0_2nd_shutdown = if recv_count > 0 {
                let node_0_2nd_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
-               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
+               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_2nd_shutdown);
                node_0_2nd_shutdown
        } else {
                let node_0_chan_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
                assert_eq!(node_0_chan_update.contents.flags & 2, 0); // "disabled" flag must not be set as we just reconnected.
-               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
+               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_2nd_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_0_2nd_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_2nd_shutdown);
 
        assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-       assert!(nodes[2].node.claim_funds(payment_preimage));
+       nodes[2].node.claim_funds(payment_preimage);
        check_added_monitors!(nodes[2], 1);
+       expect_payment_claimed!(nodes[2], payment_hash, 100_000);
+
        let updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
        assert!(updates.update_add_htlcs.is_empty());
        assert!(updates.update_fail_htlcs.is_empty());
@@ -279,7 +579,7 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
        assert!(updates.update_fee.is_none());
        assert_eq!(updates.update_fulfill_htlcs.len(), 1);
        nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
-       expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), false);
+       expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), false, false);
        check_added_monitors!(nodes[1], 1);
        let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
        commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);
@@ -302,15 +602,19 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
                assert!(node_0_2nd_closing_signed.is_some());
        }
 
-       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_disconnected(&nodes[1].node.get_our_node_id());
+       nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
 
-       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
-       let node_1_2nd_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
-       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty(), remote_network_address: None });
+       nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init {
+               features: nodes[0].node.init_features(), networks: None, remote_network_address: None
+       }, true).unwrap();
+       let node_1_2nd_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
+       nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init {
+               features: nodes[1].node.init_features(), networks: None, remote_network_address: None
+       }, false).unwrap();
        if recv_count == 0 {
                // If all closing_signeds weren't delivered we can just resume where we left off...
-               let node_0_2nd_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id());
+               let node_0_2nd_reestablish = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
 
                nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &node_1_2nd_reestablish);
                let node_0_msgs = nodes[0].node.get_and_clear_pending_msg_events();
@@ -336,10 +640,10 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
                let node_1_3rd_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
                assert!(node_1_3rd_shutdown == node_1_2nd_shutdown);
 
-               nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_3rd_shutdown);
+               nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_3rd_shutdown);
                assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_3rd_shutdown);
+               nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_3rd_shutdown);
 
                nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed);
                let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
@@ -348,7 +652,7 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
                nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
                let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
                assert!(node_1_none.is_none());
-               check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+               check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
        } else {
                // If one node, however, received + responded with an identical closing_signed we end
                // up erroring and node[0] will try to broadcast its own latest commitment transaction.
@@ -361,8 +665,8 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
 
                nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &node_1_2nd_reestablish);
                let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
-               assert_eq!(msg_events.len(), 1);
-               if let MessageSendEvent::HandleError { ref action, .. } = msg_events[0] {
+               assert_eq!(msg_events.len(), 2);
+               if let MessageSendEvent::HandleError { ref action, .. } = msg_events[1] {
                        match action {
                                &ErrorAction::SendErrorMessage { ref msg } => {
                                        nodes[1].node.handle_error(&nodes[0].node.get_our_node_id(), &msg);
@@ -377,7 +681,8 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
                // closing_signed so we do it ourselves
                check_closed_broadcast!(nodes[1], false);
                check_added_monitors!(nodes[1], 1);
-               check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: "Failed to find corresponding channel".to_string() });
+               check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", &nodes[1].node.get_our_node_id())) }
+                       , [nodes[0].node.get_our_node_id()], 100000);
        }
 
        assert!(nodes[0].node.list_channels().is_empty());
@@ -387,9 +692,9 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
        close_channel(&nodes[1], &nodes[2], &chan_2.2, chan_2.3, true);
        assert!(nodes[1].node.list_channels().is_empty());
        assert!(nodes[2].node.list_channels().is_empty());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -405,37 +710,36 @@ fn test_upfront_shutdown_script() {
        // enforce it at shutdown message
 
        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;
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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 mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
 
        // We test that in case of peer committing upfront to a script, if it changes at closing, we refuse to sign
-       let flags = InitFeatures::known();
-       let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1000000, 1000000, flags.clone(), flags.clone());
-       nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1000000, 1000000);
+       nodes[0].node.close_channel(&chan.2, &nodes[2].node.get_our_node_id()).unwrap();
        let node_0_orig_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[2].node.get_our_node_id());
        let mut node_0_shutdown = node_0_orig_shutdown.clone();
        node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
        // Test we enforce upfront_scriptpbukey if by providing a different one at closing that we warn
        // the peer and ignore the message.
-       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
+       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        assert!(regex::Regex::new(r"Got shutdown request with a scriptpubkey \([A-Fa-f0-9]+\) which did not match their previous scriptpubkey.")
                        .unwrap().is_match(&check_warn_msg!(nodes[2], nodes[0].node.get_our_node_id(), chan.2)));
        // This allows nodes[2] to retry the shutdown message, which should get a response:
-       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_orig_shutdown);
+       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_orig_shutdown);
        get_event_msg!(nodes[2], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
 
        // We test that in case of peer committing upfront to a script, if it doesn't change at closing, we sign
-       let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1000000, 1000000, flags.clone(), flags.clone());
-       nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1000000, 1000000);
+       nodes[0].node.close_channel(&chan.2, &nodes[2].node.get_our_node_id()).unwrap();
        let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[2].node.get_our_node_id());
        // We test that in case of peer committing upfront to a script, if it oesn't change at closing, we sign
-       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
+       nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        let events = nodes[2].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        match events[0] {
@@ -444,11 +748,11 @@ fn test_upfront_shutdown_script() {
        }
 
        // We test that if case of peer non-signaling we don't enforce committed script at channel opening
-       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();
+       *nodes[0].override_init_features.borrow_mut() = Some(nodes[0].node.init_features().clear_upfront_shutdown_script());
+       let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000);
+       nodes[0].node.close_channel(&chan.2, &nodes[1].node.get_our_node_id()).unwrap();
        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);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &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);
@@ -459,11 +763,12 @@ fn test_upfront_shutdown_script() {
 
        // We test that if user opt-out, we provide a zero-length script at channel opening and we are able to close
        // 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();
+       *nodes[0].override_init_features.borrow_mut() = None;
+       let chan = create_announced_chan_between_nodes_with_value(&nodes, 1, 0, 1000000, 1000000);
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap();
        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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
        let events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        match events[0] {
@@ -473,11 +778,11 @@ fn test_upfront_shutdown_script() {
 
        //// We test that if user opt-out, we provide a zero-length script at channel opening and we are able to close
        //// 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 chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000);
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap();
        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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
        let events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 2);
        match events[0] {
@@ -493,51 +798,60 @@ fn test_upfront_shutdown_script() {
 #[test]
 fn test_unsupported_anysegwit_upfront_shutdown_script() {
        let chanmon_cfgs = create_chanmon_cfgs(2);
-       let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+       let mut node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+       // Clear shutdown_anysegwit on initiator
+       *node_cfgs[0].override_init_features.borrow_mut() = Some(channelmanager::provided_init_features(&test_default_channel_config()).clear_shutdown_anysegwit());
        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();
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None, 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);
+       open_channel.common_fields.shutdown_scriptpubkey = Some(anysegwit_shutdown_script.clone());
+       nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &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)");
+                       assert_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: OP_PUSHNUM_16 OP_PUSHBYTES_2 0028");
                },
                _ => panic!("Unexpected event"),
        }
 
+       let chanmon_cfgs = create_chanmon_cfgs(2);
+       let mut node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+       // Clear shutdown_anysegwit on responder
+       *node_cfgs[1].override_init_features.borrow_mut() = Some(channelmanager::provided_init_features(&test_default_channel_config()).clear_shutdown_anysegwit());
+       let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+       let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
        // 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();
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None, 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);
+       nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &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);
+       accept_channel.common_fields.shutdown_scriptpubkey = Some(anysegwit_shutdown_script.clone());
+       nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), &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)");
+                       assert_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: OP_PUSHNUM_16 OP_PUSHBYTES_2 0028");
                },
                _ => panic!("Unexpected event"),
        }
-       check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: Script(OP_PUSHNUM_16 OP_PUSHBYTES_2 0028)".to_string() });
+       check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: OP_PUSHNUM_16 OP_PUSHBYTES_2 0028".to_string() }
+               , [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -547,21 +861,21 @@ fn test_invalid_upfront_shutdown_script() {
        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();
+       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None, 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(0)
+       open_channel.common_fields.shutdown_scriptpubkey = Some(Builder::new().push_int(0)
                .push_slice(&[0, 0])
                .into_script());
-       nodes[0].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_channel);
+       nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &open_channel);
 
-       let events = nodes[0].node.get_and_clear_pending_msg_events();
+       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_0 OP_PUSHBYTES_2 0000)");
+                       assert_eq!(msg.data, "Peer is signaling upfront_shutdown but has provided an unacceptable scriptpubkey format: OP_0 OP_PUSHBYTES_2 0000");
                },
                _ => panic!("Unexpected event"),
        }
@@ -570,17 +884,17 @@ fn test_invalid_upfront_shutdown_script() {
 #[test]
 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;
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap();
        check_added_monitors!(nodes[1], 1);
 
        // Use a segwit v0 script supported even without option_shutdown_anysegwit
@@ -588,7 +902,7 @@ fn test_segwit_v0_shutdown_script() {
        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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
 
        let events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 2);
@@ -605,17 +919,17 @@ fn test_segwit_v0_shutdown_script() {
 #[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;
-       config.channel_options.commit_upfront_shutdown_pubkey = false;
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap();
        check_added_monitors!(nodes[1], 1);
 
        // Use a non-v0 segwit script supported by option_shutdown_anysegwit
@@ -623,7 +937,7 @@ fn test_anysegwit_shutdown_script() {
        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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
 
        let events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 2);
@@ -640,40 +954,41 @@ fn test_anysegwit_shutdown_script() {
 #[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;
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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();
+       *node_cfgs[0].override_init_features.borrow_mut() = Some(channelmanager::provided_init_features(&config).clear_shutdown_anysegwit());
+       *node_cfgs[1].override_init_features.borrow_mut() = Some(channelmanager::provided_init_features(&config).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 supported_shutdown_script = chanmon_cfgs[1].keys_manager.get_shutdown_scriptpubkey().unwrap();
+       let unsupported_witness_program = WitnessProgram::new(WitnessVersion::V16, &[0, 40]).unwrap();
        let unsupported_shutdown_script =
-               ShutdownScript::new_witness_program(NonZeroU8::new(16).unwrap(), &[0, 40]).unwrap();
+               ShutdownScript::new_witness_program(&unsupported_witness_program).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()) {
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       match nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_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();
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
 
        assert_eq!(&check_warn_msg!(nodes[0], nodes[1].node.get_our_node_id(), chan.2),
                        "Got a nonstandard scriptpubkey (60020028) from remote peer");
@@ -682,17 +997,17 @@ fn test_unsupported_anysegwit_shutdown_script() {
 #[test]
 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;
-       config.channel_options.commit_upfront_shutdown_pubkey = false;
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       nodes[1].node.close_channel(&chan.2, &nodes[0].node.get_our_node_id()).unwrap();
        check_added_monitors!(nodes[1], 1);
 
        // Use a segwit v0 script with an unsupported witness program
@@ -700,12 +1015,64 @@ fn test_invalid_shutdown_script() {
        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);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
 
        assert_eq!(&check_warn_msg!(nodes[0], nodes[1].node.get_our_node_id(), chan.2),
                        "Got a nonstandard scriptpubkey (00020000) from remote peer");
 }
 
+#[test]
+fn test_user_shutdown_script() {
+       let mut config = test_default_channel_config();
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = false;
+       config.channel_handshake_config.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);
+
+       // Segwit v0 script of the form OP_0 <20-byte hash>
+       let script = Builder::new().push_int(0)
+               .push_slice(&[0; 20])
+               .into_script();
+
+       let shutdown_script = ShutdownScript::try_from(script.clone()).unwrap();
+
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       nodes[1].node.close_channel_with_feerate_and_script(&chan.2, &nodes[0].node.get_our_node_id(), None, Some(shutdown_script)).unwrap();
+       check_added_monitors!(nodes[1], 1);
+
+       let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+
+       assert_eq!(node_0_shutdown.scriptpubkey, script);
+}
+
+#[test]
+fn test_already_set_user_shutdown_script() {
+       let mut config = test_default_channel_config();
+       config.channel_handshake_config.announced_channel = true;
+       config.channel_handshake_limits.force_announced_channel_preference = 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);
+
+       // Segwit v0 script of the form OP_0 <20-byte hash>
+       let script = Builder::new().push_int(0)
+               .push_slice(&[0; 20])
+               .into_script();
+
+       let shutdown_script = ShutdownScript::try_from(script).unwrap();
+
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let result = nodes[1].node.close_channel_with_feerate_and_script(&chan.2, &nodes[0].node.get_our_node_id(), None, Some(shutdown_script));
+
+       assert_eq!(result, Err(APIError::APIMisuseError { err: "Cannot override shutdown script for a channel with one already set".to_string() }));
+}
+
 #[derive(PartialEq)]
 enum TimeoutStep {
        AfterShutdown,
@@ -726,15 +1093,15 @@ fn do_test_closing_signed_reinit_timeout(timeout_step: TimeoutStep) {
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-       let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
+       let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
 
        send_payment(&nodes[0], &[&nodes[1]], 8_000_000);
 
-       nodes[0].node.close_channel(&chan_id).unwrap();
+       nodes[0].node.close_channel(&chan_id, &nodes[1].node.get_our_node_id()).unwrap();
        let node_0_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_0_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        let node_1_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_1_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
 
        {
                // Now we set nodes[1] to require a relatively high feerate for closing. This should result
@@ -758,8 +1125,9 @@ fn do_test_closing_signed_reinit_timeout(timeout_step: TimeoutStep) {
                // nodes[1] should happily accept and respond to.
                node_0_closing_signed.fee_range.as_mut().unwrap().max_fee_satoshis *= 10;
                {
-                       let mut lock;
-                       get_channel_ref!(nodes[0], lock, chan_id).closing_fee_limits.as_mut().unwrap().1 *= 10;
+                       let mut node_0_per_peer_lock;
+                       let mut node_0_peer_state_lock;
+                       get_channel_ref!(nodes[0], nodes[1], node_0_per_peer_lock, node_0_peer_state_lock, chan_id).context_mut().closing_fee_limits.as_mut().unwrap().1 *= 10;
                }
                nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
                let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
@@ -767,9 +1135,9 @@ fn do_test_closing_signed_reinit_timeout(timeout_step: TimeoutStep) {
                let node_0_2nd_closing_signed = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
                if timeout_step == TimeoutStep::NoTimeout {
                        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.1.unwrap());
-                       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+                       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
                }
-               check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
+               check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
        }
 
        if timeout_step != TimeoutStep::NoTimeout {
@@ -792,7 +1160,8 @@ fn do_test_closing_signed_reinit_timeout(timeout_step: TimeoutStep) {
                         txn[0].output[0].script_pubkey.is_v0_p2wsh()));
                check_closed_broadcast!(nodes[1], true);
                check_added_monitors!(nodes[1], 1);
-               check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError { err: "closing_signed negotiation failed to finish within two timer ticks".to_string() });
+               check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError { err: "closing_signed negotiation failed to finish within two timer ticks".to_string() }
+                       , [nodes[0].node.get_our_node_id()], 100000);
        } else {
                assert!(txn[0].output[0].script_pubkey.is_v0_p2wpkh());
                assert!(txn[0].output[1].script_pubkey.is_v0_p2wpkh());
@@ -822,7 +1191,7 @@ fn do_simple_legacy_shutdown_test(high_initiator_fee: bool) {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
 
        if high_initiator_fee {
                // If high_initiator_fee is set, set nodes[0]'s feerate significantly higher. This
@@ -831,11 +1200,11 @@ fn do_simple_legacy_shutdown_test(high_initiator_fee: bool) {
                *feerate_lock *= 10;
        }
 
-       nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+       nodes[0].node.close_channel(&chan.2, &nodes[1].node.get_our_node_id()).unwrap();
        let node_0_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_0_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
        let node_1_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_1_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
 
        let mut node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
        node_0_closing_signed.fee_range = None;
@@ -852,8 +1221,8 @@ fn do_simple_legacy_shutdown_test(high_initiator_fee: bool) {
        nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed.unwrap());
        let (_, node_0_none) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
        assert!(node_0_none.is_none());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -870,16 +1239,16 @@ fn simple_target_feerate_shutdown() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
-       let chan_id = OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id();
+       let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let chan_id = chan.2;
 
-       nodes[0].node.close_channel_with_target_feerate(&chan_id, 253 * 10).unwrap();
+       nodes[0].node.close_channel_with_feerate_and_script(&chan_id, &nodes[1].node.get_our_node_id(), Some(253 * 10), None).unwrap();
        let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
-       nodes[1].node.close_channel_with_target_feerate(&chan_id, 253 * 5).unwrap();
+       nodes[1].node.close_channel_with_feerate_and_script(&chan_id, &nodes[0].node.get_our_node_id(), Some(253 * 5), None).unwrap();
        let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
 
-       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
-       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
 
        let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
        nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
@@ -907,6 +1276,143 @@ fn simple_target_feerate_shutdown() {
        nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
        let (_, node_0_none) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
        assert!(node_0_none.is_none());
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure);
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+}
+
+fn do_outbound_update_no_early_closing_signed(use_htlc: bool) {
+       // Previously, if we have a pending inbound HTLC (or fee update) on a channel which has
+       // initiated shutdown, we'd send our initial closing_signed immediately after receiving the
+       // peer's last RAA to remove the HTLC/fee update, but before receiving their final
+       // commitment_signed for a commitment without the HTLC/with the new fee. This caused at least
+       // LDK peers to force-close as we initiated closing_signed prior to the channel actually being
+       // fully empty of pending updates/HTLCs.
+       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);
+
+       let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1).2;
+
+       send_payment(&nodes[0], &[&nodes[1]], 1_000_000);
+       let payment_hash_opt = if use_htlc {
+               Some(route_payment(&nodes[1], &[&nodes[0]], 10_000).1)
+       } else {
+               None
+       };
+
+       if use_htlc {
+               nodes[0].node.fail_htlc_backwards(&payment_hash_opt.unwrap());
+               expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[0],
+                       [HTLCDestination::FailedPayment { payment_hash: payment_hash_opt.unwrap() }]);
+       } else {
+               *chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap() *= 10;
+               nodes[0].node.timer_tick_occurred();
+       }
+       let updates = get_htlc_update_msgs(&nodes[0], &nodes[1].node.get_our_node_id());
+       check_added_monitors(&nodes[0], 1);
+
+       nodes[1].node.close_channel(&chan_id, &nodes[0].node.get_our_node_id()).unwrap();
+       let node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+       nodes[0].node.close_channel(&chan_id, &nodes[1].node.get_our_node_id()).unwrap();
+       let node_1_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
+
+       nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
+       nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_1_shutdown);
+
+       if use_htlc {
+               nodes[1].node.handle_update_fail_htlc(&nodes[0].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
+       } else {
+               nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), &updates.update_fee.unwrap());
+       }
+       nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &updates.commitment_signed);
+       check_added_monitors(&nodes[1], 1);
+       let (bs_raa, bs_cs) = get_revoke_commit_msgs(&nodes[1], &nodes[0].node.get_our_node_id());
+
+       nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa);
+       check_added_monitors(&nodes[0], 1);
+
+       // At this point the Channel on nodes[0] has no record of any HTLCs but the latest
+       // broadcastable commitment does contain the HTLC (but only the ChannelMonitor knows this).
+       // Thus, the channel should not yet initiate closing_signed negotiation (but previously did).
+       assert_eq!(nodes[0].node.get_and_clear_pending_msg_events(), Vec::new());
+
+       chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::InProgress);
+       nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_cs);
+       check_added_monitors(&nodes[0], 1);
+       assert_eq!(nodes[0].node.get_and_clear_pending_msg_events(), Vec::new());
+
+       expect_channel_shutdown_state!(nodes[0], chan_id, ChannelShutdownState::ResolvingHTLCs);
+       assert_eq!(nodes[0].node.get_and_clear_pending_msg_events(), Vec::new());
+       let (outpoint, latest_update, _) = nodes[0].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_id).unwrap().clone();
+       nodes[0].chain_monitor.chain_monitor.force_channel_monitor_updated(outpoint, latest_update);
+
+       let as_raa_closing_signed = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(as_raa_closing_signed.len(), 2);
+
+       if let MessageSendEvent::SendRevokeAndACK { msg, .. } = &as_raa_closing_signed[0] {
+               nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &msg);
+               check_added_monitors(&nodes[1], 1);
+               if use_htlc {
+                       expect_payment_failed!(nodes[1], payment_hash_opt.unwrap(), true);
+               }
+       } else { panic!("Unexpected message {:?}", as_raa_closing_signed[0]); }
+
+       if let MessageSendEvent::SendClosingSigned { msg, .. } = &as_raa_closing_signed[1] {
+               nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &msg);
+       } else { panic!("Unexpected message {:?}", as_raa_closing_signed[1]); }
+
+       let bs_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+       nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &bs_closing_signed);
+       let (_, as_2nd_closing_signed) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+       nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &as_2nd_closing_signed.unwrap());
+       let (_, node_1_none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+       assert!(node_1_none.is_none());
+
+       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+}
+
+#[test]
+fn outbound_update_no_early_closing_signed() {
+       do_outbound_update_no_early_closing_signed(true);
+       do_outbound_update_no_early_closing_signed(false);
+}
+
+#[test]
+fn batch_funding_failure() {
+       // Provides test coverage of batch funding failure, which previously deadlocked
+       let chanmon_cfgs = create_chanmon_cfgs(4);
+       let node_cfgs = create_node_cfgs(4, &chanmon_cfgs);
+       let node_chanmgrs = create_node_chanmgrs(4, &node_cfgs, &[None, None, None, None]);
+       let nodes = create_network(4, &node_cfgs, &node_chanmgrs);
+
+       exchange_open_accept_chan(&nodes[0], &nodes[1], 1_000_000, 0);
+       exchange_open_accept_chan(&nodes[0], &nodes[2], 1_000_000, 0);
+
+       let events = nodes[0].node.get_and_clear_pending_events();
+       assert_eq!(events.len(), 2);
+       // Build a transaction which only has the output for one of the two channels we're trying to
+       // confirm. Previously this led to a deadlock in channel closure handling.
+       let mut tx = Transaction { version: 2, lock_time: LockTime::ZERO, input: Vec::new(), output: Vec::new() };
+       let mut chans = Vec::new();
+       for (idx, ev) in events.iter().enumerate() {
+               if let Event::FundingGenerationReady { temporary_channel_id, counterparty_node_id, output_script, .. } = ev {
+                       if idx == 0 {
+                               tx.output.push(TxOut { value: 1_000_000, script_pubkey: output_script.clone() });
+                       }
+                       chans.push((temporary_channel_id, counterparty_node_id));
+               } else { panic!(); }
+       }
+
+       // We should probably end up with an error for both channels, but currently we don't generate
+       // an error for the failing channel itself.
+       let err = "Error in transaction funding: Misuse error: No output matched the script_pubkey and value in the FundingGenerationReady event".to_string();
+       let close = [ExpectedCloseEvent::from_id_reason(ChannelId::v1_from_funding_txid(tx.txid().as_ref(), 0), true, ClosureReason::ProcessingError { err })];
+
+       nodes[0].node.batch_funding_transaction_generated(&chans, tx).unwrap_err();
+
+       get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+       check_closed_events(&nodes[0], &close);
+       assert_eq!(nodes[0].node.list_channels().len(), 0);
 }