Breakup CooperativeClosure into Local/Remote initiated

diff --git a/lightning/src/events/mod.rs b/lightning/src/events/mod.rs
index 77f6937c54558aae85d10a3c1c8cc9c05bc5d424..5d64c6df16e905541f4d8d5a4b2525cfa560f641 100644 (file)
--- a/lightning/src/events/mod.rs
+++ b/lightning/src/events/mod.rs
@@ -184,8 +184,15 @@ pub enum ClosureReason {
        HolderForceClosed,
        /// The channel was closed after negotiating a cooperative close and we've now broadcasted
        /// the cooperative close transaction. Note the shutdown may have been initiated by us.
-       //TODO: split between CounterpartyInitiated/LocallyInitiated
+       // Can be removed once we disallow downgrading to 0.0.121
        CooperativeClosure,
+       /// The channel was closed after negotiating a cooperative close and we've now broadcasted
+       /// the cooperative close transaction. This indicates that the shutdown was initiated by our
+       /// counterparty.
+       CounterpartyInitiatedCooperativeClosure,
+       /// The channel was closed after negotiating a cooperative close and we've now broadcasted
+       /// the cooperative close transaction. This indicates that the shutdown was initiated by us.
+       LocallyInitiatedCooperativeClosure,
        /// A commitment transaction was confirmed on chain, closing the channel. Most likely this
        /// commitment transaction came from our counterparty, but it may also have come from
        /// a copy of our own `ChannelMonitor`.
@@ -231,6 +238,8 @@ impl core::fmt::Display for ClosureReason {
                        },
                        ClosureReason::HolderForceClosed => f.write_str("user manually force-closed the channel"),
                        ClosureReason::CooperativeClosure => f.write_str("the channel was cooperatively closed"),
+                       ClosureReason::CounterpartyInitiatedCooperativeClosure => f.write_str("the channel was cooperatively closed by our peer"),
+                       ClosureReason::LocallyInitiatedCooperativeClosure => f.write_str("the channel was cooperatively closed by us"),
                        ClosureReason::CommitmentTxConfirmed => f.write_str("commitment or closing transaction was confirmed on chain."),
                        ClosureReason::FundingTimedOut => write!(f, "funding transaction failed to confirm within {} blocks", FUNDING_CONF_DEADLINE_BLOCKS),
                        ClosureReason::ProcessingError { err } => {
@@ -255,7 +264,9 @@ impl_writeable_tlv_based_enum_upgradable!(ClosureReason,
        (10, DisconnectedPeer) => {},
        (12, OutdatedChannelManager) => {},
        (13, CounterpartyCoopClosedUnfundedChannel) => {},
-       (15, FundingBatchClosure) => {}
+       (15, FundingBatchClosure) => {},
+       (17, CounterpartyInitiatedCooperativeClosure) => {},
+       (19, LocallyInitiatedCooperativeClosure) => {},
 );
 
 /// Intended destination of a failed HTLC as indicated in [`Event::HTLCHandlingFailed`].

diff --git a/lightning/src/ln/chanmon_update_fail_tests.rs b/lightning/src/ln/chanmon_update_fail_tests.rs
index 02253a003fb0ea5b24dbcbd397d427fdff6e9c1c..3578a66cb673dca7468ce10a3d4610248f72b059 100644 (file)
--- a/lightning/src/ln/chanmon_update_fail_tests.rs
+++ b/lightning/src/ln/chanmon_update_fail_tests.rs
@@ -1955,8 +1955,8 @@ fn do_during_funding_monitor_fail(confirm_a_first: bool, restore_b_before_conf:
 
        send_payment(&nodes[0], &[&nodes[1]], 8000000);
        close_channel(&nodes[0], &nodes[1], &channel_id, funding_tx, true);
-       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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -2634,8 +2634,8 @@ fn test_temporary_error_during_shutdown() {
        assert_eq!(txn_a, txn_b);
        assert_eq!(txn_a.len(), 1);
        check_spends!(txn_a[0], funding_tx);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]

diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs
index 2007a9e772c780cafe02a308bbabf5ccd5142fca..b57d472be12c80cdcf3112919514fbe4c406a8c3 100644 (file)
--- a/lightning/src/ln/channel.rs
+++ b/lightning/src/ln/channel.rs
@@ -1256,6 +1256,9 @@ pub(super) struct ChannelContext<SP: Deref> where SP::Target: SignerProvider {
        // We track whether we already emitted a `ChannelReady` event.
        channel_ready_event_emitted: bool,
 
+       /// Some if we initiated to shut down the channel.
+       local_initiated_shutdown: Option<()>,
+
        /// The unique identifier used to re-derive the private key material for the channel through
        /// [`SignerProvider::derive_channel_signer`].
        channel_keys_id: [u8; 32],
@@ -4959,11 +4962,17 @@ impl<SP: Deref> Channel<SP> where
                        }
                }
 
+               let closure_reason = if self.initiated_shutdown() {
+                       ClosureReason::LocallyInitiatedCooperativeClosure
+               } else {
+                       ClosureReason::CounterpartyInitiatedCooperativeClosure
+               };
+
                assert!(self.context.shutdown_scriptpubkey.is_some());
                if let Some((last_fee, sig)) = self.context.last_sent_closing_fee {
                        if last_fee == msg.fee_satoshis {
                                let shutdown_result = ShutdownResult {
-                                       closure_reason: ClosureReason::CooperativeClosure,
+                                       closure_reason,
                                        monitor_update: None,
                                        dropped_outbound_htlcs: Vec::new(),
                                        unbroadcasted_batch_funding_txid: self.context.unbroadcasted_batch_funding_txid(),
@@ -4998,7 +5007,7 @@ impl<SP: Deref> Channel<SP> where
                                                        .map_err(|_| ChannelError::Close("External signer refused to sign closing transaction".to_owned()))?;
                                                let (signed_tx, shutdown_result) = if $new_fee == msg.fee_satoshis {
                                                        let shutdown_result = ShutdownResult {
-                                                               closure_reason: ClosureReason::CooperativeClosure,
+                                                               closure_reason,
                                                                monitor_update: None,
                                                                dropped_outbound_htlcs: Vec::new(),
                                                                unbroadcasted_batch_funding_txid: self.context.unbroadcasted_batch_funding_txid(),
@@ -5263,6 +5272,11 @@ impl<SP: Deref> Channel<SP> where
                self.context.channel_state.is_local_shutdown_sent()
        }
 
+       /// Returns true if we initiated to shut down the channel.
+       pub fn initiated_shutdown(&self) -> bool {
+               self.context.local_initiated_shutdown.is_some()
+       }
+
        /// Returns true if this channel is fully shut down. True here implies that no further actions
        /// may/will be taken on this channel, and thus this object should be freed. Any future changes
        /// will be handled appropriately by the chain monitor.
@@ -6177,6 +6191,7 @@ impl<SP: Deref> Channel<SP> where
                // From here on out, we may not fail!
                self.context.target_closing_feerate_sats_per_kw = target_feerate_sats_per_kw;
                self.context.channel_state.set_local_shutdown_sent();
+               self.context.local_initiated_shutdown = Some(());
                self.context.update_time_counter += 1;
 
                let monitor_update = if update_shutdown_script {
@@ -6437,6 +6452,7 @@ impl<SP: Deref> OutboundV1Channel<SP> where SP::Target: SignerProvider {
                                channel_keys_id,
 
                                blocked_monitor_updates: Vec::new(),
+                               local_initiated_shutdown: None,
                        },
                        unfunded_context: UnfundedChannelContext { unfunded_channel_age_ticks: 0 }
                })
@@ -7237,6 +7253,8 @@ impl<SP: Deref> InboundV1Channel<SP> where SP::Target: SignerProvider {
                                channel_type,
                                channel_keys_id,
 
+                               local_initiated_shutdown: None,
+
                                blocked_monitor_updates: Vec::new(),
                        },
                        unfunded_context: UnfundedChannelContext { unfunded_channel_age_ticks: 0 }
@@ -7811,6 +7829,7 @@ impl<SP: Deref> Writeable for Channel<SP> where SP::Target: SignerProvider {
                        (39, pending_outbound_blinding_points, optional_vec),
                        (41, holding_cell_blinding_points, optional_vec),
                        (43, malformed_htlcs, optional_vec), // Added in 0.0.119
+                       (45, self.context.local_initiated_shutdown, option), // Added in 0.0.122
                });
 
                Ok(())
@@ -8098,6 +8117,8 @@ impl<'a, 'b, 'c, ES: Deref, SP: Deref> ReadableArgs<(&'a ES, &'b SP, u32, &'c Ch
 
                let mut is_batch_funding: Option<()> = None;
 
+               let mut local_initiated_shutdown: Option<()> = None;
+
                let mut pending_outbound_blinding_points_opt: Option<Vec<Option<PublicKey>>> = None;
                let mut holding_cell_blinding_points_opt: Option<Vec<Option<PublicKey>>> = None;
 
@@ -8132,6 +8153,7 @@ impl<'a, 'b, 'c, ES: Deref, SP: Deref> ReadableArgs<(&'a ES, &'b SP, u32, &'c Ch
                        (39, pending_outbound_blinding_points_opt, optional_vec),
                        (41, holding_cell_blinding_points_opt, optional_vec),
                        (43, malformed_htlcs, optional_vec), // Added in 0.0.119
+                       (45, local_initiated_shutdown, option),
                });
 
                let (channel_keys_id, holder_signer) = if let Some(channel_keys_id) = channel_keys_id {
@@ -8362,6 +8384,8 @@ impl<'a, 'b, 'c, ES: Deref, SP: Deref> ReadableArgs<(&'a ES, &'b SP, u32, &'c Ch
                                channel_type: channel_type.unwrap(),
                                channel_keys_id,
 
+                               local_initiated_shutdown,
+
                                blocked_monitor_updates: blocked_monitor_updates.unwrap(),
                        }
                })

diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs
index b5fc9996e294ac2ffb4cd6d6e964e64c856439f6..57598c6f294423c482082025de13113f24397668 100644 (file)
--- a/lightning/src/ln/channelmanager.rs
+++ b/lightning/src/ln/channelmanager.rs
@@ -11856,8 +11856,8 @@ mod tests {
                }
                let (_nodes_1_update, _none) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
 
-               check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
-               check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
+               check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
+               check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
        }
 
        fn check_not_connected_to_peer_error<T>(res_err: Result<T, APIError>, expected_public_key: PublicKey) {

diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs
index 14aa14b43980fc6a9ea0fac3030986176ced1b27..cb5a2df33299f4e8443c39fc20453bc3ddd5ef0d 100644 (file)
--- a/lightning/src/ln/functional_tests.rs
+++ b/lightning/src/ln/functional_tests.rs
@@ -871,8 +871,8 @@ fn test_update_fee_with_fundee_update_add_htlc() {
        send_payment(&nodes[1], &vec!(&nodes[0])[..], 800000);
        send_payment(&nodes[0], &vec!(&nodes[1])[..], 800000);
        close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true);
-       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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -985,8 +985,8 @@ fn test_update_fee() {
        assert_eq!(get_feerate!(nodes[0], nodes[1], channel_id), feerate + 30);
        assert_eq!(get_feerate!(nodes[1], nodes[0], channel_id), feerate + 30);
        close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true);
-       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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -1104,17 +1104,17 @@ fn fake_network_test() {
 
        // Close down the channels...
        close_channel(&nodes[0], &nodes[1], &chan_1.2, chan_1.3, true);
-       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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
        close_channel(&nodes[1], &nodes[2], &chan_2.2, chan_2.3, false);
-       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);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
        close_channel(&nodes[2], &nodes[3], &chan_3.2, chan_3.3, true);
-       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure, [nodes[3].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[3], 1, ClosureReason::CooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[3].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[3], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
        close_channel(&nodes[1], &nodes[3], &chan_4.2, chan_4.3, false);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[3].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[3], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[3].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[3], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -5619,7 +5619,7 @@ fn test_static_output_closing_tx() {
        let closing_tx = close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true).2;
 
        mine_transaction(&nodes[0], &closing_tx);
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
        connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
 
        let spend_txn = check_spendable_outputs!(nodes[0], node_cfgs[0].keys_manager);
@@ -5627,7 +5627,7 @@ fn test_static_output_closing_tx() {
        check_spends!(spend_txn[0], closing_tx);
 
        mine_transaction(&nodes[1], &closing_tx);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
        connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
 
        let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager);

diff --git a/lightning/src/ln/monitor_tests.rs b/lightning/src/ln/monitor_tests.rs
index 6a56c3cf816c7c518ea524601ecbaf2020a7a90b..275b28e4c515ec69632e6218d320c3753f546b23 100644 (file)
--- a/lightning/src/ln/monitor_tests.rs
+++ b/lightning/src/ln/monitor_tests.rs
@@ -257,8 +257,8 @@ fn do_chanmon_claim_value_coop_close(anchors: bool) {
                spendable_outputs_b
        );
 
-       check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
 }
 
 #[test]

diff --git a/lightning/src/ln/shutdown_tests.rs b/lightning/src/ln/shutdown_tests.rs
index 0eb56434169bec971cdf9853cb3245a1916190d5..61d2233ef48ba18dba6a15e95d405bde2cb47e49 100644 (file)
--- a/lightning/src/ln/shutdown_tests.rs
+++ b/lightning/src/ln/shutdown_tests.rs
@@ -68,8 +68,8 @@ 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, [nodes[1].node.get_our_node_id()], 8000000);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 8000000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 8000000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 8000000);
 }
 
 #[test]
@@ -113,8 +113,8 @@ fn expect_channel_shutdown_state() {
 
        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);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -196,8 +196,8 @@ fn expect_channel_shutdown_state_with_htlc() {
        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);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [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());
@@ -251,8 +251,8 @@ fn test_lnd_bug_6039() {
        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);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [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());
@@ -404,8 +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, [nodes[1].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 
        assert!(nodes[0].node.list_channels().is_empty());
 
@@ -414,8 +414,8 @@ 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, [nodes[2].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[2], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -509,9 +509,27 @@ fn do_htlc_fail_async_shutdown(blinded_recipient: bool) {
        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, [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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       let event1 = ExpectedCloseEvent {
+               channel_capacity_sats: Some(100000),
+               channel_id: None,
+               counterparty_node_id: Some(nodes[0].node.get_our_node_id()),
+               discard_funding: false,
+               reason: Some(ClosureReason::LocallyInitiatedCooperativeClosure),
+               channel_funding_txo: None,
+               user_channel_id: None,
+       };
+       let event2 = ExpectedCloseEvent {
+               channel_capacity_sats: Some(100000),
+               channel_id: None,
+               counterparty_node_id: Some(nodes[2].node.get_our_node_id()),
+               discard_funding: false,
+               reason: Some(ClosureReason::CounterpartyInitiatedCooperativeClosure),
+               channel_funding_txo: None,
+               user_channel_id: None,
+       };
+       check_closed_events(&nodes[1], &[event1, event2]);
+       check_closed_event!(nodes[2], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 fn do_test_shutdown_rebroadcast(recv_count: u8) {
@@ -652,7 +670,7 @@ 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, [nodes[0].node.get_our_node_id()], 100000);
+               check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [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.
@@ -692,9 +710,9 @@ 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, [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);
+       check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[2].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[2], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -1135,9 +1153,9 @@ 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, [nodes[0].node.get_our_node_id()], 100000);
+                       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
                }
-               check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+               check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
        }
 
        if timeout_step != TimeoutStep::NoTimeout {
@@ -1221,8 +1239,8 @@ 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, [nodes[1].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]
@@ -1276,8 +1294,8 @@ 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, [nodes[1].node.get_our_node_id()], 100000);
-       check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 fn do_outbound_update_no_early_closing_signed(use_htlc: bool) {
@@ -1369,8 +1387,8 @@ fn do_outbound_update_no_early_closing_signed(use_htlc: bool) {
        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);
+       check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
+       check_closed_event!(nodes[1], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);
 }
 
 #[test]