Update auto-generated bindings
[ldk-c-bindings] / lightning-c-bindings / src / lightning / util / events.rs
1 // This file is Copyright its original authors, visible in version control
2 // history and in the source files from which this was generated.
3 //
4 // This file is licensed under the license available in the LICENSE or LICENSE.md
5 // file in the root of this repository or, if no such file exists, the same
6 // license as that which applies to the original source files from which this
7 // source was automatically generated.
8
9 //! Events are returned from various bits in the library which indicate some action must be taken
10 //! by the client.
11 //!
12 //! Because we don't have a built-in runtime, it's up to the client to call events at a time in the
13 //! future, as well as generate and broadcast funding transactions handle payment preimages and a
14 //! few other things.
15
16 use alloc::str::FromStr;
17 use core::ffi::c_void;
18 use core::convert::Infallible;
19 use bitcoin::hashes::Hash;
20 use crate::c_types::*;
21 #[cfg(feature="no-std")]
22 use alloc::{vec::Vec, boxed::Box};
23
24 /// Some information provided on receipt of payment depends on whether the payment received is a
25 /// spontaneous payment or a \"conventional\" lightning payment that's paying an invoice.
26 #[must_use]
27 #[derive(Clone)]
28 #[repr(C)]
29 pub enum PaymentPurpose {
30         /// Information for receiving a payment that we generated an invoice for.
31         InvoicePayment {
32                 /// The preimage to the payment_hash, if the payment hash (and secret) were fetched via
33                 /// [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to
34                 /// [`ChannelManager::claim_funds`].
35                 ///
36                 /// [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
37                 /// [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds
38                 ///
39                 /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
40                 payment_preimage: crate::c_types::ThirtyTwoBytes,
41                 /// The \"payment secret\". This authenticates the sender to the recipient, preventing a
42                 /// number of deanonymization attacks during the routing process.
43                 /// It is provided here for your reference, however its accuracy is enforced directly by
44                 /// [`ChannelManager`] using the values you previously provided to
45                 /// [`ChannelManager::create_inbound_payment`] or
46                 /// [`ChannelManager::create_inbound_payment_for_hash`].
47                 ///
48                 /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
49                 /// [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
50                 /// [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
51                 payment_secret: crate::c_types::ThirtyTwoBytes,
52         },
53         /// Because this is a spontaneous payment, the payer generated their own preimage rather than us
54         /// (the payee) providing a preimage.
55         SpontaneousPayment(crate::c_types::ThirtyTwoBytes),
56 }
57 use lightning::util::events::PaymentPurpose as nativePaymentPurpose;
58 impl PaymentPurpose {
59         #[allow(unused)]
60         pub(crate) fn to_native(&self) -> nativePaymentPurpose {
61                 match self {
62                         PaymentPurpose::InvoicePayment {ref payment_preimage, ref payment_secret, } => {
63                                 let mut payment_preimage_nonref = (*payment_preimage).clone();
64                                 let mut local_payment_preimage_nonref = if payment_preimage_nonref.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentPreimage(payment_preimage_nonref.data) }) };
65                                 let mut payment_secret_nonref = (*payment_secret).clone();
66                                 nativePaymentPurpose::InvoicePayment {
67                                         payment_preimage: local_payment_preimage_nonref,
68                                         payment_secret: ::lightning::ln::PaymentSecret(payment_secret_nonref.data),
69                                 }
70                         },
71                         PaymentPurpose::SpontaneousPayment (ref a, ) => {
72                                 let mut a_nonref = (*a).clone();
73                                 nativePaymentPurpose::SpontaneousPayment (
74                                         ::lightning::ln::PaymentPreimage(a_nonref.data),
75                                 )
76                         },
77                 }
78         }
79         #[allow(unused)]
80         pub(crate) fn into_native(self) -> nativePaymentPurpose {
81                 match self {
82                         PaymentPurpose::InvoicePayment {mut payment_preimage, mut payment_secret, } => {
83                                 let mut local_payment_preimage = if payment_preimage.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentPreimage(payment_preimage.data) }) };
84                                 nativePaymentPurpose::InvoicePayment {
85                                         payment_preimage: local_payment_preimage,
86                                         payment_secret: ::lightning::ln::PaymentSecret(payment_secret.data),
87                                 }
88                         },
89                         PaymentPurpose::SpontaneousPayment (mut a, ) => {
90                                 nativePaymentPurpose::SpontaneousPayment (
91                                         ::lightning::ln::PaymentPreimage(a.data),
92                                 )
93                         },
94                 }
95         }
96         #[allow(unused)]
97         pub(crate) fn from_native(native: &nativePaymentPurpose) -> Self {
98                 match native {
99                         nativePaymentPurpose::InvoicePayment {ref payment_preimage, ref payment_secret, } => {
100                                 let mut payment_preimage_nonref = (*payment_preimage).clone();
101                                 let mut local_payment_preimage_nonref = if payment_preimage_nonref.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_preimage_nonref.unwrap()).0 } } };
102                                 let mut payment_secret_nonref = (*payment_secret).clone();
103                                 PaymentPurpose::InvoicePayment {
104                                         payment_preimage: local_payment_preimage_nonref,
105                                         payment_secret: crate::c_types::ThirtyTwoBytes { data: payment_secret_nonref.0 },
106                                 }
107                         },
108                         nativePaymentPurpose::SpontaneousPayment (ref a, ) => {
109                                 let mut a_nonref = (*a).clone();
110                                 PaymentPurpose::SpontaneousPayment (
111                                         crate::c_types::ThirtyTwoBytes { data: a_nonref.0 },
112                                 )
113                         },
114                 }
115         }
116         #[allow(unused)]
117         pub(crate) fn native_into(native: nativePaymentPurpose) -> Self {
118                 match native {
119                         nativePaymentPurpose::InvoicePayment {mut payment_preimage, mut payment_secret, } => {
120                                 let mut local_payment_preimage = if payment_preimage.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_preimage.unwrap()).0 } } };
121                                 PaymentPurpose::InvoicePayment {
122                                         payment_preimage: local_payment_preimage,
123                                         payment_secret: crate::c_types::ThirtyTwoBytes { data: payment_secret.0 },
124                                 }
125                         },
126                         nativePaymentPurpose::SpontaneousPayment (mut a, ) => {
127                                 PaymentPurpose::SpontaneousPayment (
128                                         crate::c_types::ThirtyTwoBytes { data: a.0 },
129                                 )
130                         },
131                 }
132         }
133 }
134 /// Frees any resources used by the PaymentPurpose
135 #[no_mangle]
136 pub extern "C" fn PaymentPurpose_free(this_ptr: PaymentPurpose) { }
137 /// Creates a copy of the PaymentPurpose
138 #[no_mangle]
139 pub extern "C" fn PaymentPurpose_clone(orig: &PaymentPurpose) -> PaymentPurpose {
140         orig.clone()
141 }
142 #[no_mangle]
143 /// Utility method to constructs a new InvoicePayment-variant PaymentPurpose
144 pub extern "C" fn PaymentPurpose_invoice_payment(payment_preimage: crate::c_types::ThirtyTwoBytes, payment_secret: crate::c_types::ThirtyTwoBytes) -> PaymentPurpose {
145         PaymentPurpose::InvoicePayment {
146                 payment_preimage,
147                 payment_secret,
148         }
149 }
150 #[no_mangle]
151 /// Utility method to constructs a new SpontaneousPayment-variant PaymentPurpose
152 pub extern "C" fn PaymentPurpose_spontaneous_payment(a: crate::c_types::ThirtyTwoBytes) -> PaymentPurpose {
153         PaymentPurpose::SpontaneousPayment(a, )
154 }
155 /// The reason the channel was closed. See individual variants more details.
156 #[must_use]
157 #[derive(Clone)]
158 #[repr(C)]
159 pub enum ClosureReason {
160         /// Closure generated from receiving a peer error message.
161         ///
162         /// Our counterparty may have broadcasted their latest commitment state, and we have
163         /// as well.
164         CounterpartyForceClosed {
165                 /// The error which the peer sent us.
166                 ///
167                 /// The string should be sanitized before it is used (e.g emitted to logs
168                 /// or printed to stdout). Otherwise, a well crafted error message may exploit
169                 /// a security vulnerability in the terminal emulator or the logging subsystem.
170                 peer_msg: crate::c_types::Str,
171         },
172         /// Closure generated from [`ChannelManager::force_close_channel`], called by the user.
173         ///
174         /// [`ChannelManager::force_close_channel`]: crate::ln::channelmanager::ChannelManager::force_close_channel.
175         HolderForceClosed,
176         /// The channel was closed after negotiating a cooperative close and we've now broadcasted
177         /// the cooperative close transaction. Note the shutdown may have been initiated by us.
178         CooperativeClosure,
179         /// A commitment transaction was confirmed on chain, closing the channel. Most likely this
180         /// commitment transaction came from our counterparty, but it may also have come from
181         /// a copy of our own `ChannelMonitor`.
182         CommitmentTxConfirmed,
183         /// The funding transaction failed to confirm in a timely manner on an inbound channel.
184         FundingTimedOut,
185         /// Closure generated from processing an event, likely a HTLC forward/relay/reception.
186         ProcessingError {
187                 /// A developer-readable error message which we generated.
188                 err: crate::c_types::Str,
189         },
190         /// The `PeerManager` informed us that we've disconnected from the peer. We close channels
191         /// if the `PeerManager` informed us that it is unlikely we'll be able to connect to the
192         /// peer again in the future or if the peer disconnected before we finished negotiating
193         /// the channel open. The first case may be caused by incompatible features which our
194         /// counterparty, or we, require.
195         DisconnectedPeer,
196         /// Closure generated from `ChannelManager::read` if the ChannelMonitor is newer than
197         /// the ChannelManager deserialized.
198         OutdatedChannelManager,
199 }
200 use lightning::util::events::ClosureReason as nativeClosureReason;
201 impl ClosureReason {
202         #[allow(unused)]
203         pub(crate) fn to_native(&self) -> nativeClosureReason {
204                 match self {
205                         ClosureReason::CounterpartyForceClosed {ref peer_msg, } => {
206                                 let mut peer_msg_nonref = (*peer_msg).clone();
207                                 nativeClosureReason::CounterpartyForceClosed {
208                                         peer_msg: peer_msg_nonref.into_string(),
209                                 }
210                         },
211                         ClosureReason::HolderForceClosed => nativeClosureReason::HolderForceClosed,
212                         ClosureReason::CooperativeClosure => nativeClosureReason::CooperativeClosure,
213                         ClosureReason::CommitmentTxConfirmed => nativeClosureReason::CommitmentTxConfirmed,
214                         ClosureReason::FundingTimedOut => nativeClosureReason::FundingTimedOut,
215                         ClosureReason::ProcessingError {ref err, } => {
216                                 let mut err_nonref = (*err).clone();
217                                 nativeClosureReason::ProcessingError {
218                                         err: err_nonref.into_string(),
219                                 }
220                         },
221                         ClosureReason::DisconnectedPeer => nativeClosureReason::DisconnectedPeer,
222                         ClosureReason::OutdatedChannelManager => nativeClosureReason::OutdatedChannelManager,
223                 }
224         }
225         #[allow(unused)]
226         pub(crate) fn into_native(self) -> nativeClosureReason {
227                 match self {
228                         ClosureReason::CounterpartyForceClosed {mut peer_msg, } => {
229                                 nativeClosureReason::CounterpartyForceClosed {
230                                         peer_msg: peer_msg.into_string(),
231                                 }
232                         },
233                         ClosureReason::HolderForceClosed => nativeClosureReason::HolderForceClosed,
234                         ClosureReason::CooperativeClosure => nativeClosureReason::CooperativeClosure,
235                         ClosureReason::CommitmentTxConfirmed => nativeClosureReason::CommitmentTxConfirmed,
236                         ClosureReason::FundingTimedOut => nativeClosureReason::FundingTimedOut,
237                         ClosureReason::ProcessingError {mut err, } => {
238                                 nativeClosureReason::ProcessingError {
239                                         err: err.into_string(),
240                                 }
241                         },
242                         ClosureReason::DisconnectedPeer => nativeClosureReason::DisconnectedPeer,
243                         ClosureReason::OutdatedChannelManager => nativeClosureReason::OutdatedChannelManager,
244                 }
245         }
246         #[allow(unused)]
247         pub(crate) fn from_native(native: &nativeClosureReason) -> Self {
248                 match native {
249                         nativeClosureReason::CounterpartyForceClosed {ref peer_msg, } => {
250                                 let mut peer_msg_nonref = (*peer_msg).clone();
251                                 ClosureReason::CounterpartyForceClosed {
252                                         peer_msg: peer_msg_nonref.into(),
253                                 }
254                         },
255                         nativeClosureReason::HolderForceClosed => ClosureReason::HolderForceClosed,
256                         nativeClosureReason::CooperativeClosure => ClosureReason::CooperativeClosure,
257                         nativeClosureReason::CommitmentTxConfirmed => ClosureReason::CommitmentTxConfirmed,
258                         nativeClosureReason::FundingTimedOut => ClosureReason::FundingTimedOut,
259                         nativeClosureReason::ProcessingError {ref err, } => {
260                                 let mut err_nonref = (*err).clone();
261                                 ClosureReason::ProcessingError {
262                                         err: err_nonref.into(),
263                                 }
264                         },
265                         nativeClosureReason::DisconnectedPeer => ClosureReason::DisconnectedPeer,
266                         nativeClosureReason::OutdatedChannelManager => ClosureReason::OutdatedChannelManager,
267                 }
268         }
269         #[allow(unused)]
270         pub(crate) fn native_into(native: nativeClosureReason) -> Self {
271                 match native {
272                         nativeClosureReason::CounterpartyForceClosed {mut peer_msg, } => {
273                                 ClosureReason::CounterpartyForceClosed {
274                                         peer_msg: peer_msg.into(),
275                                 }
276                         },
277                         nativeClosureReason::HolderForceClosed => ClosureReason::HolderForceClosed,
278                         nativeClosureReason::CooperativeClosure => ClosureReason::CooperativeClosure,
279                         nativeClosureReason::CommitmentTxConfirmed => ClosureReason::CommitmentTxConfirmed,
280                         nativeClosureReason::FundingTimedOut => ClosureReason::FundingTimedOut,
281                         nativeClosureReason::ProcessingError {mut err, } => {
282                                 ClosureReason::ProcessingError {
283                                         err: err.into(),
284                                 }
285                         },
286                         nativeClosureReason::DisconnectedPeer => ClosureReason::DisconnectedPeer,
287                         nativeClosureReason::OutdatedChannelManager => ClosureReason::OutdatedChannelManager,
288                 }
289         }
290 }
291 /// Frees any resources used by the ClosureReason
292 #[no_mangle]
293 pub extern "C" fn ClosureReason_free(this_ptr: ClosureReason) { }
294 /// Creates a copy of the ClosureReason
295 #[no_mangle]
296 pub extern "C" fn ClosureReason_clone(orig: &ClosureReason) -> ClosureReason {
297         orig.clone()
298 }
299 #[no_mangle]
300 /// Utility method to constructs a new CounterpartyForceClosed-variant ClosureReason
301 pub extern "C" fn ClosureReason_counterparty_force_closed(peer_msg: crate::c_types::Str) -> ClosureReason {
302         ClosureReason::CounterpartyForceClosed {
303                 peer_msg,
304         }
305 }
306 #[no_mangle]
307 /// Utility method to constructs a new HolderForceClosed-variant ClosureReason
308 pub extern "C" fn ClosureReason_holder_force_closed() -> ClosureReason {
309         ClosureReason::HolderForceClosed}
310 #[no_mangle]
311 /// Utility method to constructs a new CooperativeClosure-variant ClosureReason
312 pub extern "C" fn ClosureReason_cooperative_closure() -> ClosureReason {
313         ClosureReason::CooperativeClosure}
314 #[no_mangle]
315 /// Utility method to constructs a new CommitmentTxConfirmed-variant ClosureReason
316 pub extern "C" fn ClosureReason_commitment_tx_confirmed() -> ClosureReason {
317         ClosureReason::CommitmentTxConfirmed}
318 #[no_mangle]
319 /// Utility method to constructs a new FundingTimedOut-variant ClosureReason
320 pub extern "C" fn ClosureReason_funding_timed_out() -> ClosureReason {
321         ClosureReason::FundingTimedOut}
322 #[no_mangle]
323 /// Utility method to constructs a new ProcessingError-variant ClosureReason
324 pub extern "C" fn ClosureReason_processing_error(err: crate::c_types::Str) -> ClosureReason {
325         ClosureReason::ProcessingError {
326                 err,
327         }
328 }
329 #[no_mangle]
330 /// Utility method to constructs a new DisconnectedPeer-variant ClosureReason
331 pub extern "C" fn ClosureReason_disconnected_peer() -> ClosureReason {
332         ClosureReason::DisconnectedPeer}
333 #[no_mangle]
334 /// Utility method to constructs a new OutdatedChannelManager-variant ClosureReason
335 pub extern "C" fn ClosureReason_outdated_channel_manager() -> ClosureReason {
336         ClosureReason::OutdatedChannelManager}
337 #[no_mangle]
338 /// Serialize the ClosureReason object into a byte array which can be read by ClosureReason_read
339 pub extern "C" fn ClosureReason_write(obj: &ClosureReason) -> crate::c_types::derived::CVec_u8Z {
340         crate::c_types::serialize_obj(&unsafe { &*obj }.to_native())
341 }
342 #[no_mangle]
343 /// Read a ClosureReason from a byte array, created by ClosureReason_write
344 pub extern "C" fn ClosureReason_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_COption_ClosureReasonZDecodeErrorZ {
345         let res: Result<Option<lightning::util::events::ClosureReason>, lightning::ln::msgs::DecodeError> = crate::c_types::maybe_deserialize_obj(ser);
346         let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_res_0 = if o.is_none() { crate::c_types::derived::COption_ClosureReasonZ::None } else { crate::c_types::derived::COption_ClosureReasonZ::Some( { crate::lightning::util::events::ClosureReason::native_into(o.unwrap()) }) }; local_res_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() };
347         local_res
348 }
349 /// An Event which you should probably take some action in response to.
350 ///
351 /// Note that while Writeable and Readable are implemented for Event, you probably shouldn't use
352 /// them directly as they don't round-trip exactly (for example FundingGenerationReady is never
353 /// written as it makes no sense to respond to it after reconnecting to peers).
354 #[must_use]
355 #[derive(Clone)]
356 #[repr(C)]
357 pub enum Event {
358         /// Used to indicate that the client should generate a funding transaction with the given
359         /// parameters and then call [`ChannelManager::funding_transaction_generated`].
360         /// Generated in [`ChannelManager`] message handling.
361         /// Note that *all inputs* in the funding transaction must spend SegWit outputs or your
362         /// counterparty can steal your funds!
363         ///
364         /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
365         /// [`ChannelManager::funding_transaction_generated`]: crate::ln::channelmanager::ChannelManager::funding_transaction_generated
366         FundingGenerationReady {
367                 /// The random channel_id we picked which you'll need to pass into
368                 /// ChannelManager::funding_transaction_generated.
369                 temporary_channel_id: crate::c_types::ThirtyTwoBytes,
370                 /// The value, in satoshis, that the output should have.
371                 channel_value_satoshis: u64,
372                 /// The script which should be used in the transaction output.
373                 output_script: crate::c_types::derived::CVec_u8Z,
374                 /// The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or 0 for
375                 /// an inbound channel.
376                 ///
377                 /// [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel
378                 user_channel_id: u64,
379         },
380         /// Indicates we've received money! Just gotta dig out that payment preimage and feed it to
381         /// [`ChannelManager::claim_funds`] to get it....
382         /// Note that if the preimage is not known, you should call
383         /// [`ChannelManager::fail_htlc_backwards`] to free up resources for this HTLC and avoid
384         /// network congestion.
385         /// If you fail to call either [`ChannelManager::claim_funds`] or
386         /// [`ChannelManager::fail_htlc_backwards`] within the HTLC's timeout, the HTLC will be
387         /// automatically failed.
388         ///
389         /// # Note
390         /// LDK will not stop an inbound payment from being paid multiple times, so multiple
391         /// `PaymentReceived` events may be generated for the same payment.
392         ///
393         /// [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds
394         /// [`ChannelManager::fail_htlc_backwards`]: crate::ln::channelmanager::ChannelManager::fail_htlc_backwards
395         PaymentReceived {
396                 /// The hash for which the preimage should be handed to the ChannelManager. Note that LDK will
397                 /// not stop you from registering duplicate payment hashes for inbound payments.
398                 payment_hash: crate::c_types::ThirtyTwoBytes,
399                 /// The value, in thousandths of a satoshi, that this payment is for.
400                 amt: u64,
401                 /// Information for claiming this received payment, based on whether the purpose of the
402                 /// payment is to pay an invoice or to send a spontaneous payment.
403                 purpose: crate::lightning::util::events::PaymentPurpose,
404         },
405         /// Indicates an outbound payment we made succeeded (i.e. it made it all the way to its target
406         /// and we got back the payment preimage for it).
407         ///
408         /// Note for MPP payments: in rare cases, this event may be preceded by a `PaymentPathFailed`
409         /// event. In this situation, you SHOULD treat this payment as having succeeded.
410         PaymentSent {
411                 /// The id returned by [`ChannelManager::send_payment`] and used with
412                 /// [`ChannelManager::retry_payment`].
413                 ///
414                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
415                 /// [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
416                 ///
417                 /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
418                 payment_id: crate::c_types::ThirtyTwoBytes,
419                 /// The preimage to the hash given to ChannelManager::send_payment.
420                 /// Note that this serves as a payment receipt, if you wish to have such a thing, you must
421                 /// store it somehow!
422                 payment_preimage: crate::c_types::ThirtyTwoBytes,
423                 /// The hash that was given to [`ChannelManager::send_payment`].
424                 ///
425                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
426                 payment_hash: crate::c_types::ThirtyTwoBytes,
427                 /// The total fee which was spent at intermediate hops in this payment, across all paths.
428                 ///
429                 /// Note that, like [`Route::get_total_fees`] this does *not* include any potential
430                 /// overpayment to the recipient node.
431                 ///
432                 /// If the recipient or an intermediate node misbehaves and gives us free money, this may
433                 /// overstate the amount paid, though this is unlikely.
434                 ///
435                 /// [`Route::get_total_fees`]: crate::routing::router::Route::get_total_fees
436                 fee_paid_msat: crate::c_types::derived::COption_u64Z,
437         },
438         /// Indicates an outbound HTLC we sent failed. Probably some intermediary node dropped
439         /// something. You may wish to retry with a different route.
440         ///
441         /// Note that this does *not* indicate that all paths for an MPP payment have failed, see
442         /// [`Event::PaymentFailed`] and [`all_paths_failed`].
443         ///
444         /// [`all_paths_failed`]: Self::all_paths_failed
445         PaymentPathFailed {
446                 /// The id returned by [`ChannelManager::send_payment`] and used with
447                 /// [`ChannelManager::retry_payment`] and [`ChannelManager::abandon_payment`].
448                 ///
449                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
450                 /// [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
451                 /// [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment
452                 ///
453                 /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
454                 payment_id: crate::c_types::ThirtyTwoBytes,
455                 /// The hash that was given to [`ChannelManager::send_payment`].
456                 ///
457                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
458                 payment_hash: crate::c_types::ThirtyTwoBytes,
459                 /// Indicates the payment was rejected for some reason by the recipient. This implies that
460                 /// the payment has failed, not just the route in question. If this is not set, you may
461                 /// retry the payment via a different route.
462                 rejected_by_dest: bool,
463                 /// Any failure information conveyed via the Onion return packet by a node along the failed
464                 /// payment route.
465                 ///
466                 /// Should be applied to the [`NetworkGraph`] so that routing decisions can take into
467                 /// account the update. [`NetGraphMsgHandler`] is capable of doing this.
468                 ///
469                 /// [`NetworkGraph`]: crate::routing::network_graph::NetworkGraph
470                 /// [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler
471                 network_update: crate::c_types::derived::COption_NetworkUpdateZ,
472                 /// For both single-path and multi-path payments, this is set if all paths of the payment have
473                 /// failed. This will be set to false if (1) this is an MPP payment and (2) other parts of the
474                 /// larger MPP payment were still in flight when this event was generated.
475                 ///
476                 /// Note that if you are retrying individual MPP parts, using this value to determine if a
477                 /// payment has fully failed is race-y. Because multiple failures can happen prior to events
478                 /// being processed, you may retry in response to a first failure, with a second failure
479                 /// (with `all_paths_failed` set) still pending. Then, when the second failure is processed
480                 /// you will see `all_paths_failed` set even though the retry of the first failure still
481                 /// has an associated in-flight HTLC. See (1) for an example of such a failure.
482                 ///
483                 /// If you wish to retry individual MPP parts and learn when a payment has failed, you must
484                 /// call [`ChannelManager::abandon_payment`] and wait for a [`Event::PaymentFailed`] event.
485                 ///
486                 /// (1) <https://github.com/lightningdevkit/rust-lightning/issues/1164>
487                 ///
488                 /// [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment
489                 all_paths_failed: bool,
490                 /// The payment path that failed.
491                 path: crate::c_types::derived::CVec_RouteHopZ,
492                 /// The channel responsible for the failed payment path.
493                 ///
494                 /// If this is `Some`, then the corresponding channel should be avoided when the payment is
495                 /// retried. May be `None` for older [`Event`] serializations.
496                 short_channel_id: crate::c_types::derived::COption_u64Z,
497                 /// Parameters needed to compute a new [`Route`] when retrying the failed payment path.
498                 ///
499                 /// See [`find_route`] for details.
500                 ///
501                 /// [`Route`]: crate::routing::router::Route
502                 /// [`find_route`]: crate::routing::router::find_route
503                 ///
504                 /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
505                 retry: crate::lightning::routing::router::RouteParameters,
506         },
507         /// Indicates an outbound payment failed. Individual [`Event::PaymentPathFailed`] events
508         /// provide failure information for each MPP part in the payment.
509         ///
510         /// This event is provided once there are no further pending HTLCs for the payment and the
511         /// payment is no longer retryable, either due to a several-block timeout or because
512         /// [`ChannelManager::abandon_payment`] was previously called for the corresponding payment.
513         ///
514         /// [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment
515         PaymentFailed {
516                 /// The id returned by [`ChannelManager::send_payment`] and used with
517                 /// [`ChannelManager::retry_payment`] and [`ChannelManager::abandon_payment`].
518                 ///
519                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
520                 /// [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
521                 /// [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment
522                 payment_id: crate::c_types::ThirtyTwoBytes,
523                 /// The hash that was given to [`ChannelManager::send_payment`].
524                 ///
525                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
526                 payment_hash: crate::c_types::ThirtyTwoBytes,
527         },
528         /// Used to indicate that [`ChannelManager::process_pending_htlc_forwards`] should be called at
529         /// a time in the future.
530         ///
531         /// [`ChannelManager::process_pending_htlc_forwards`]: crate::ln::channelmanager::ChannelManager::process_pending_htlc_forwards
532         PendingHTLCsForwardable {
533                 /// The minimum amount of time that should be waited prior to calling
534                 /// process_pending_htlc_forwards. To increase the effort required to correlate payments,
535                 /// you should wait a random amount of time in roughly the range (now + time_forwardable,
536                 /// now + 5*time_forwardable).
537                 time_forwardable: u64,
538         },
539         /// Used to indicate that an output which you should know how to spend was confirmed on chain
540         /// and is now spendable.
541         /// Such an output will *not* ever be spent by rust-lightning, and are not at risk of your
542         /// counterparty spending them due to some kind of timeout. Thus, you need to store them
543         /// somewhere and spend them when you create on-chain transactions.
544         SpendableOutputs {
545                 /// The outputs which you should store as spendable by you.
546                 outputs: crate::c_types::derived::CVec_SpendableOutputDescriptorZ,
547         },
548         /// This event is generated when a payment has been successfully forwarded through us and a
549         /// forwarding fee earned.
550         PaymentForwarded {
551                 /// The fee, in milli-satoshis, which was earned as a result of the payment.
552                 ///
553                 /// Note that if we force-closed the channel over which we forwarded an HTLC while the HTLC
554                 /// was pending, the amount the next hop claimed will have been rounded down to the nearest
555                 /// whole satoshi. Thus, the fee calculated here may be higher than expected as we still
556                 /// claimed the full value in millisatoshis from the source. In this case,
557                 /// `claim_from_onchain_tx` will be set.
558                 ///
559                 /// If the channel which sent us the payment has been force-closed, we will claim the funds
560                 /// via an on-chain transaction. In that case we do not yet know the on-chain transaction
561                 /// fees which we will spend and will instead set this to `None`. It is possible duplicate
562                 /// `PaymentForwarded` events are generated for the same payment iff `fee_earned_msat` is
563                 /// `None`.
564                 fee_earned_msat: crate::c_types::derived::COption_u64Z,
565                 /// If this is `true`, the forwarded HTLC was claimed by our counterparty via an on-chain
566                 /// transaction.
567                 claim_from_onchain_tx: bool,
568         },
569         /// Used to indicate that a channel with the given `channel_id` is in the process of closure.
570         ChannelClosed {
571                 /// The channel_id of the channel which has been closed. Note that on-chain transactions
572                 /// resolving the channel are likely still awaiting confirmation.
573                 channel_id: crate::c_types::ThirtyTwoBytes,
574                 /// The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or 0 for
575                 /// an inbound channel. This will always be zero for objects serialized with LDK versions
576                 /// prior to 0.0.102.
577                 ///
578                 /// [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel
579                 user_channel_id: u64,
580                 /// The reason the channel was closed.
581                 reason: crate::lightning::util::events::ClosureReason,
582         },
583         /// Used to indicate to the user that they can abandon the funding transaction and recycle the
584         /// inputs for another purpose.
585         DiscardFunding {
586                 /// The channel_id of the channel which has been closed.
587                 channel_id: crate::c_types::ThirtyTwoBytes,
588                 /// The full transaction received from the user
589                 transaction: crate::c_types::Transaction,
590         },
591         /// Indicates that a path for an outbound payment was successful.
592         ///
593         /// Always generated after [`Event::PaymentSent`] and thus useful for scoring channels. See
594         /// [`Event::PaymentSent`] for obtaining the payment preimage.
595         PaymentPathSuccessful {
596                 /// The id returned by [`ChannelManager::send_payment`] and used with
597                 /// [`ChannelManager::retry_payment`].
598                 ///
599                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
600                 /// [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
601                 payment_id: crate::c_types::ThirtyTwoBytes,
602                 /// The hash that was given to [`ChannelManager::send_payment`].
603                 ///
604                 /// [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
605                 ///
606                 /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
607                 payment_hash: crate::c_types::ThirtyTwoBytes,
608                 /// The payment path that was successful.
609                 ///
610                 /// May contain a closed channel if the HTLC sent along the path was fulfilled on chain.
611                 path: crate::c_types::derived::CVec_RouteHopZ,
612         },
613 }
614 use lightning::util::events::Event as nativeEvent;
615 impl Event {
616         #[allow(unused)]
617         pub(crate) fn to_native(&self) -> nativeEvent {
618                 match self {
619                         Event::FundingGenerationReady {ref temporary_channel_id, ref channel_value_satoshis, ref output_script, ref user_channel_id, } => {
620                                 let mut temporary_channel_id_nonref = (*temporary_channel_id).clone();
621                                 let mut channel_value_satoshis_nonref = (*channel_value_satoshis).clone();
622                                 let mut output_script_nonref = (*output_script).clone();
623                                 let mut user_channel_id_nonref = (*user_channel_id).clone();
624                                 nativeEvent::FundingGenerationReady {
625                                         temporary_channel_id: temporary_channel_id_nonref.data,
626                                         channel_value_satoshis: channel_value_satoshis_nonref,
627                                         output_script: ::bitcoin::blockdata::script::Script::from(output_script_nonref.into_rust()),
628                                         user_channel_id: user_channel_id_nonref,
629                                 }
630                         },
631                         Event::PaymentReceived {ref payment_hash, ref amt, ref purpose, } => {
632                                 let mut payment_hash_nonref = (*payment_hash).clone();
633                                 let mut amt_nonref = (*amt).clone();
634                                 let mut purpose_nonref = (*purpose).clone();
635                                 nativeEvent::PaymentReceived {
636                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash_nonref.data),
637                                         amt: amt_nonref,
638                                         purpose: purpose_nonref.into_native(),
639                                 }
640                         },
641                         Event::PaymentSent {ref payment_id, ref payment_preimage, ref payment_hash, ref fee_paid_msat, } => {
642                                 let mut payment_id_nonref = (*payment_id).clone();
643                                 let mut local_payment_id_nonref = if payment_id_nonref.data == [0; 32] { None } else { Some( { ::lightning::ln::channelmanager::PaymentId(payment_id_nonref.data) }) };
644                                 let mut payment_preimage_nonref = (*payment_preimage).clone();
645                                 let mut payment_hash_nonref = (*payment_hash).clone();
646                                 let mut fee_paid_msat_nonref = (*fee_paid_msat).clone();
647                                 let mut local_fee_paid_msat_nonref = if fee_paid_msat_nonref.is_some() { Some( { fee_paid_msat_nonref.take() }) } else { None };
648                                 nativeEvent::PaymentSent {
649                                         payment_id: local_payment_id_nonref,
650                                         payment_preimage: ::lightning::ln::PaymentPreimage(payment_preimage_nonref.data),
651                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash_nonref.data),
652                                         fee_paid_msat: local_fee_paid_msat_nonref,
653                                 }
654                         },
655                         Event::PaymentPathFailed {ref payment_id, ref payment_hash, ref rejected_by_dest, ref network_update, ref all_paths_failed, ref path, ref short_channel_id, ref retry, } => {
656                                 let mut payment_id_nonref = (*payment_id).clone();
657                                 let mut local_payment_id_nonref = if payment_id_nonref.data == [0; 32] { None } else { Some( { ::lightning::ln::channelmanager::PaymentId(payment_id_nonref.data) }) };
658                                 let mut payment_hash_nonref = (*payment_hash).clone();
659                                 let mut rejected_by_dest_nonref = (*rejected_by_dest).clone();
660                                 let mut network_update_nonref = (*network_update).clone();
661                                 let mut local_network_update_nonref = { /* network_update_nonref*/ let network_update_nonref_opt = network_update_nonref; { } if network_update_nonref_opt.is_none() { None } else { Some({ network_update_nonref_opt.take().into_native() }) } };
662                                 let mut all_paths_failed_nonref = (*all_paths_failed).clone();
663                                 let mut path_nonref = (*path).clone();
664                                 let mut local_path_nonref = Vec::new(); for mut item in path_nonref.into_rust().drain(..) { local_path_nonref.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
665                                 let mut short_channel_id_nonref = (*short_channel_id).clone();
666                                 let mut local_short_channel_id_nonref = if short_channel_id_nonref.is_some() { Some( { short_channel_id_nonref.take() }) } else { None };
667                                 let mut retry_nonref = (*retry).clone();
668                                 let mut local_retry_nonref = if retry_nonref.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(retry_nonref.take_inner()) } }) };
669                                 nativeEvent::PaymentPathFailed {
670                                         payment_id: local_payment_id_nonref,
671                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash_nonref.data),
672                                         rejected_by_dest: rejected_by_dest_nonref,
673                                         network_update: local_network_update_nonref,
674                                         all_paths_failed: all_paths_failed_nonref,
675                                         path: local_path_nonref,
676                                         short_channel_id: local_short_channel_id_nonref,
677                                         retry: local_retry_nonref,
678                                 }
679                         },
680                         Event::PaymentFailed {ref payment_id, ref payment_hash, } => {
681                                 let mut payment_id_nonref = (*payment_id).clone();
682                                 let mut payment_hash_nonref = (*payment_hash).clone();
683                                 nativeEvent::PaymentFailed {
684                                         payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id_nonref.data),
685                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash_nonref.data),
686                                 }
687                         },
688                         Event::PendingHTLCsForwardable {ref time_forwardable, } => {
689                                 let mut time_forwardable_nonref = (*time_forwardable).clone();
690                                 nativeEvent::PendingHTLCsForwardable {
691                                         time_forwardable: core::time::Duration::from_secs(time_forwardable_nonref),
692                                 }
693                         },
694                         Event::SpendableOutputs {ref outputs, } => {
695                                 let mut outputs_nonref = (*outputs).clone();
696                                 let mut local_outputs_nonref = Vec::new(); for mut item in outputs_nonref.into_rust().drain(..) { local_outputs_nonref.push( { item.into_native() }); };
697                                 nativeEvent::SpendableOutputs {
698                                         outputs: local_outputs_nonref,
699                                 }
700                         },
701                         Event::PaymentForwarded {ref fee_earned_msat, ref claim_from_onchain_tx, } => {
702                                 let mut fee_earned_msat_nonref = (*fee_earned_msat).clone();
703                                 let mut local_fee_earned_msat_nonref = if fee_earned_msat_nonref.is_some() { Some( { fee_earned_msat_nonref.take() }) } else { None };
704                                 let mut claim_from_onchain_tx_nonref = (*claim_from_onchain_tx).clone();
705                                 nativeEvent::PaymentForwarded {
706                                         fee_earned_msat: local_fee_earned_msat_nonref,
707                                         claim_from_onchain_tx: claim_from_onchain_tx_nonref,
708                                 }
709                         },
710                         Event::ChannelClosed {ref channel_id, ref user_channel_id, ref reason, } => {
711                                 let mut channel_id_nonref = (*channel_id).clone();
712                                 let mut user_channel_id_nonref = (*user_channel_id).clone();
713                                 let mut reason_nonref = (*reason).clone();
714                                 nativeEvent::ChannelClosed {
715                                         channel_id: channel_id_nonref.data,
716                                         user_channel_id: user_channel_id_nonref,
717                                         reason: reason_nonref.into_native(),
718                                 }
719                         },
720                         Event::DiscardFunding {ref channel_id, ref transaction, } => {
721                                 let mut channel_id_nonref = (*channel_id).clone();
722                                 let mut transaction_nonref = (*transaction).clone();
723                                 nativeEvent::DiscardFunding {
724                                         channel_id: channel_id_nonref.data,
725                                         transaction: transaction_nonref.into_bitcoin(),
726                                 }
727                         },
728                         Event::PaymentPathSuccessful {ref payment_id, ref payment_hash, ref path, } => {
729                                 let mut payment_id_nonref = (*payment_id).clone();
730                                 let mut payment_hash_nonref = (*payment_hash).clone();
731                                 let mut local_payment_hash_nonref = if payment_hash_nonref.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentHash(payment_hash_nonref.data) }) };
732                                 let mut path_nonref = (*path).clone();
733                                 let mut local_path_nonref = Vec::new(); for mut item in path_nonref.into_rust().drain(..) { local_path_nonref.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
734                                 nativeEvent::PaymentPathSuccessful {
735                                         payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id_nonref.data),
736                                         payment_hash: local_payment_hash_nonref,
737                                         path: local_path_nonref,
738                                 }
739                         },
740                 }
741         }
742         #[allow(unused)]
743         pub(crate) fn into_native(self) -> nativeEvent {
744                 match self {
745                         Event::FundingGenerationReady {mut temporary_channel_id, mut channel_value_satoshis, mut output_script, mut user_channel_id, } => {
746                                 nativeEvent::FundingGenerationReady {
747                                         temporary_channel_id: temporary_channel_id.data,
748                                         channel_value_satoshis: channel_value_satoshis,
749                                         output_script: ::bitcoin::blockdata::script::Script::from(output_script.into_rust()),
750                                         user_channel_id: user_channel_id,
751                                 }
752                         },
753                         Event::PaymentReceived {mut payment_hash, mut amt, mut purpose, } => {
754                                 nativeEvent::PaymentReceived {
755                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash.data),
756                                         amt: amt,
757                                         purpose: purpose.into_native(),
758                                 }
759                         },
760                         Event::PaymentSent {mut payment_id, mut payment_preimage, mut payment_hash, mut fee_paid_msat, } => {
761                                 let mut local_payment_id = if payment_id.data == [0; 32] { None } else { Some( { ::lightning::ln::channelmanager::PaymentId(payment_id.data) }) };
762                                 let mut local_fee_paid_msat = if fee_paid_msat.is_some() { Some( { fee_paid_msat.take() }) } else { None };
763                                 nativeEvent::PaymentSent {
764                                         payment_id: local_payment_id,
765                                         payment_preimage: ::lightning::ln::PaymentPreimage(payment_preimage.data),
766                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash.data),
767                                         fee_paid_msat: local_fee_paid_msat,
768                                 }
769                         },
770                         Event::PaymentPathFailed {mut payment_id, mut payment_hash, mut rejected_by_dest, mut network_update, mut all_paths_failed, mut path, mut short_channel_id, mut retry, } => {
771                                 let mut local_payment_id = if payment_id.data == [0; 32] { None } else { Some( { ::lightning::ln::channelmanager::PaymentId(payment_id.data) }) };
772                                 let mut local_network_update = { /* network_update*/ let network_update_opt = network_update; { } if network_update_opt.is_none() { None } else { Some({ network_update_opt.take().into_native() }) } };
773                                 let mut local_path = Vec::new(); for mut item in path.into_rust().drain(..) { local_path.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
774                                 let mut local_short_channel_id = if short_channel_id.is_some() { Some( { short_channel_id.take() }) } else { None };
775                                 let mut local_retry = if retry.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(retry.take_inner()) } }) };
776                                 nativeEvent::PaymentPathFailed {
777                                         payment_id: local_payment_id,
778                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash.data),
779                                         rejected_by_dest: rejected_by_dest,
780                                         network_update: local_network_update,
781                                         all_paths_failed: all_paths_failed,
782                                         path: local_path,
783                                         short_channel_id: local_short_channel_id,
784                                         retry: local_retry,
785                                 }
786                         },
787                         Event::PaymentFailed {mut payment_id, mut payment_hash, } => {
788                                 nativeEvent::PaymentFailed {
789                                         payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id.data),
790                                         payment_hash: ::lightning::ln::PaymentHash(payment_hash.data),
791                                 }
792                         },
793                         Event::PendingHTLCsForwardable {mut time_forwardable, } => {
794                                 nativeEvent::PendingHTLCsForwardable {
795                                         time_forwardable: core::time::Duration::from_secs(time_forwardable),
796                                 }
797                         },
798                         Event::SpendableOutputs {mut outputs, } => {
799                                 let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_native() }); };
800                                 nativeEvent::SpendableOutputs {
801                                         outputs: local_outputs,
802                                 }
803                         },
804                         Event::PaymentForwarded {mut fee_earned_msat, mut claim_from_onchain_tx, } => {
805                                 let mut local_fee_earned_msat = if fee_earned_msat.is_some() { Some( { fee_earned_msat.take() }) } else { None };
806                                 nativeEvent::PaymentForwarded {
807                                         fee_earned_msat: local_fee_earned_msat,
808                                         claim_from_onchain_tx: claim_from_onchain_tx,
809                                 }
810                         },
811                         Event::ChannelClosed {mut channel_id, mut user_channel_id, mut reason, } => {
812                                 nativeEvent::ChannelClosed {
813                                         channel_id: channel_id.data,
814                                         user_channel_id: user_channel_id,
815                                         reason: reason.into_native(),
816                                 }
817                         },
818                         Event::DiscardFunding {mut channel_id, mut transaction, } => {
819                                 nativeEvent::DiscardFunding {
820                                         channel_id: channel_id.data,
821                                         transaction: transaction.into_bitcoin(),
822                                 }
823                         },
824                         Event::PaymentPathSuccessful {mut payment_id, mut payment_hash, mut path, } => {
825                                 let mut local_payment_hash = if payment_hash.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentHash(payment_hash.data) }) };
826                                 let mut local_path = Vec::new(); for mut item in path.into_rust().drain(..) { local_path.push( { *unsafe { Box::from_raw(item.take_inner()) } }); };
827                                 nativeEvent::PaymentPathSuccessful {
828                                         payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id.data),
829                                         payment_hash: local_payment_hash,
830                                         path: local_path,
831                                 }
832                         },
833                 }
834         }
835         #[allow(unused)]
836         pub(crate) fn from_native(native: &nativeEvent) -> Self {
837                 match native {
838                         nativeEvent::FundingGenerationReady {ref temporary_channel_id, ref channel_value_satoshis, ref output_script, ref user_channel_id, } => {
839                                 let mut temporary_channel_id_nonref = (*temporary_channel_id).clone();
840                                 let mut channel_value_satoshis_nonref = (*channel_value_satoshis).clone();
841                                 let mut output_script_nonref = (*output_script).clone();
842                                 let mut user_channel_id_nonref = (*user_channel_id).clone();
843                                 Event::FundingGenerationReady {
844                                         temporary_channel_id: crate::c_types::ThirtyTwoBytes { data: temporary_channel_id_nonref },
845                                         channel_value_satoshis: channel_value_satoshis_nonref,
846                                         output_script: output_script_nonref.into_bytes().into(),
847                                         user_channel_id: user_channel_id_nonref,
848                                 }
849                         },
850                         nativeEvent::PaymentReceived {ref payment_hash, ref amt, ref purpose, } => {
851                                 let mut payment_hash_nonref = (*payment_hash).clone();
852                                 let mut amt_nonref = (*amt).clone();
853                                 let mut purpose_nonref = (*purpose).clone();
854                                 Event::PaymentReceived {
855                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash_nonref.0 },
856                                         amt: amt_nonref,
857                                         purpose: crate::lightning::util::events::PaymentPurpose::native_into(purpose_nonref),
858                                 }
859                         },
860                         nativeEvent::PaymentSent {ref payment_id, ref payment_preimage, ref payment_hash, ref fee_paid_msat, } => {
861                                 let mut payment_id_nonref = (*payment_id).clone();
862                                 let mut local_payment_id_nonref = if payment_id_nonref.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_id_nonref.unwrap()).0 } } };
863                                 let mut payment_preimage_nonref = (*payment_preimage).clone();
864                                 let mut payment_hash_nonref = (*payment_hash).clone();
865                                 let mut fee_paid_msat_nonref = (*fee_paid_msat).clone();
866                                 let mut local_fee_paid_msat_nonref = if fee_paid_msat_nonref.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { fee_paid_msat_nonref.unwrap() }) };
867                                 Event::PaymentSent {
868                                         payment_id: local_payment_id_nonref,
869                                         payment_preimage: crate::c_types::ThirtyTwoBytes { data: payment_preimage_nonref.0 },
870                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash_nonref.0 },
871                                         fee_paid_msat: local_fee_paid_msat_nonref,
872                                 }
873                         },
874                         nativeEvent::PaymentPathFailed {ref payment_id, ref payment_hash, ref rejected_by_dest, ref network_update, ref all_paths_failed, ref path, ref short_channel_id, ref retry, } => {
875                                 let mut payment_id_nonref = (*payment_id).clone();
876                                 let mut local_payment_id_nonref = if payment_id_nonref.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_id_nonref.unwrap()).0 } } };
877                                 let mut payment_hash_nonref = (*payment_hash).clone();
878                                 let mut rejected_by_dest_nonref = (*rejected_by_dest).clone();
879                                 let mut network_update_nonref = (*network_update).clone();
880                                 let mut local_network_update_nonref = if network_update_nonref.is_none() { crate::c_types::derived::COption_NetworkUpdateZ::None } else { crate::c_types::derived::COption_NetworkUpdateZ::Some( { crate::lightning::routing::network_graph::NetworkUpdate::native_into(network_update_nonref.unwrap()) }) };
881                                 let mut all_paths_failed_nonref = (*all_paths_failed).clone();
882                                 let mut path_nonref = (*path).clone();
883                                 let mut local_path_nonref = Vec::new(); for mut item in path_nonref.drain(..) { local_path_nonref.push( { crate::lightning::routing::router::RouteHop { inner: ObjOps::heap_alloc(item), is_owned: true } }); };
884                                 let mut short_channel_id_nonref = (*short_channel_id).clone();
885                                 let mut local_short_channel_id_nonref = if short_channel_id_nonref.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { short_channel_id_nonref.unwrap() }) };
886                                 let mut retry_nonref = (*retry).clone();
887                                 let mut local_retry_nonref = crate::lightning::routing::router::RouteParameters { inner: if retry_nonref.is_none() { core::ptr::null_mut() } else {  { ObjOps::heap_alloc((retry_nonref.unwrap())) } }, is_owned: true };
888                                 Event::PaymentPathFailed {
889                                         payment_id: local_payment_id_nonref,
890                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash_nonref.0 },
891                                         rejected_by_dest: rejected_by_dest_nonref,
892                                         network_update: local_network_update_nonref,
893                                         all_paths_failed: all_paths_failed_nonref,
894                                         path: local_path_nonref.into(),
895                                         short_channel_id: local_short_channel_id_nonref,
896                                         retry: local_retry_nonref,
897                                 }
898                         },
899                         nativeEvent::PaymentFailed {ref payment_id, ref payment_hash, } => {
900                                 let mut payment_id_nonref = (*payment_id).clone();
901                                 let mut payment_hash_nonref = (*payment_hash).clone();
902                                 Event::PaymentFailed {
903                                         payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id_nonref.0 },
904                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash_nonref.0 },
905                                 }
906                         },
907                         nativeEvent::PendingHTLCsForwardable {ref time_forwardable, } => {
908                                 let mut time_forwardable_nonref = (*time_forwardable).clone();
909                                 Event::PendingHTLCsForwardable {
910                                         time_forwardable: time_forwardable_nonref.as_secs(),
911                                 }
912                         },
913                         nativeEvent::SpendableOutputs {ref outputs, } => {
914                                 let mut outputs_nonref = (*outputs).clone();
915                                 let mut local_outputs_nonref = Vec::new(); for mut item in outputs_nonref.drain(..) { local_outputs_nonref.push( { crate::lightning::chain::keysinterface::SpendableOutputDescriptor::native_into(item) }); };
916                                 Event::SpendableOutputs {
917                                         outputs: local_outputs_nonref.into(),
918                                 }
919                         },
920                         nativeEvent::PaymentForwarded {ref fee_earned_msat, ref claim_from_onchain_tx, } => {
921                                 let mut fee_earned_msat_nonref = (*fee_earned_msat).clone();
922                                 let mut local_fee_earned_msat_nonref = if fee_earned_msat_nonref.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { fee_earned_msat_nonref.unwrap() }) };
923                                 let mut claim_from_onchain_tx_nonref = (*claim_from_onchain_tx).clone();
924                                 Event::PaymentForwarded {
925                                         fee_earned_msat: local_fee_earned_msat_nonref,
926                                         claim_from_onchain_tx: claim_from_onchain_tx_nonref,
927                                 }
928                         },
929                         nativeEvent::ChannelClosed {ref channel_id, ref user_channel_id, ref reason, } => {
930                                 let mut channel_id_nonref = (*channel_id).clone();
931                                 let mut user_channel_id_nonref = (*user_channel_id).clone();
932                                 let mut reason_nonref = (*reason).clone();
933                                 Event::ChannelClosed {
934                                         channel_id: crate::c_types::ThirtyTwoBytes { data: channel_id_nonref },
935                                         user_channel_id: user_channel_id_nonref,
936                                         reason: crate::lightning::util::events::ClosureReason::native_into(reason_nonref),
937                                 }
938                         },
939                         nativeEvent::DiscardFunding {ref channel_id, ref transaction, } => {
940                                 let mut channel_id_nonref = (*channel_id).clone();
941                                 let mut transaction_nonref = (*transaction).clone();
942                                 Event::DiscardFunding {
943                                         channel_id: crate::c_types::ThirtyTwoBytes { data: channel_id_nonref },
944                                         transaction: crate::c_types::Transaction::from_bitcoin(&transaction_nonref),
945                                 }
946                         },
947                         nativeEvent::PaymentPathSuccessful {ref payment_id, ref payment_hash, ref path, } => {
948                                 let mut payment_id_nonref = (*payment_id).clone();
949                                 let mut payment_hash_nonref = (*payment_hash).clone();
950                                 let mut local_payment_hash_nonref = if payment_hash_nonref.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_hash_nonref.unwrap()).0 } } };
951                                 let mut path_nonref = (*path).clone();
952                                 let mut local_path_nonref = Vec::new(); for mut item in path_nonref.drain(..) { local_path_nonref.push( { crate::lightning::routing::router::RouteHop { inner: ObjOps::heap_alloc(item), is_owned: true } }); };
953                                 Event::PaymentPathSuccessful {
954                                         payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id_nonref.0 },
955                                         payment_hash: local_payment_hash_nonref,
956                                         path: local_path_nonref.into(),
957                                 }
958                         },
959                 }
960         }
961         #[allow(unused)]
962         pub(crate) fn native_into(native: nativeEvent) -> Self {
963                 match native {
964                         nativeEvent::FundingGenerationReady {mut temporary_channel_id, mut channel_value_satoshis, mut output_script, mut user_channel_id, } => {
965                                 Event::FundingGenerationReady {
966                                         temporary_channel_id: crate::c_types::ThirtyTwoBytes { data: temporary_channel_id },
967                                         channel_value_satoshis: channel_value_satoshis,
968                                         output_script: output_script.into_bytes().into(),
969                                         user_channel_id: user_channel_id,
970                                 }
971                         },
972                         nativeEvent::PaymentReceived {mut payment_hash, mut amt, mut purpose, } => {
973                                 Event::PaymentReceived {
974                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash.0 },
975                                         amt: amt,
976                                         purpose: crate::lightning::util::events::PaymentPurpose::native_into(purpose),
977                                 }
978                         },
979                         nativeEvent::PaymentSent {mut payment_id, mut payment_preimage, mut payment_hash, mut fee_paid_msat, } => {
980                                 let mut local_payment_id = if payment_id.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_id.unwrap()).0 } } };
981                                 let mut local_fee_paid_msat = if fee_paid_msat.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { fee_paid_msat.unwrap() }) };
982                                 Event::PaymentSent {
983                                         payment_id: local_payment_id,
984                                         payment_preimage: crate::c_types::ThirtyTwoBytes { data: payment_preimage.0 },
985                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash.0 },
986                                         fee_paid_msat: local_fee_paid_msat,
987                                 }
988                         },
989                         nativeEvent::PaymentPathFailed {mut payment_id, mut payment_hash, mut rejected_by_dest, mut network_update, mut all_paths_failed, mut path, mut short_channel_id, mut retry, } => {
990                                 let mut local_payment_id = if payment_id.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_id.unwrap()).0 } } };
991                                 let mut local_network_update = if network_update.is_none() { crate::c_types::derived::COption_NetworkUpdateZ::None } else { crate::c_types::derived::COption_NetworkUpdateZ::Some( { crate::lightning::routing::network_graph::NetworkUpdate::native_into(network_update.unwrap()) }) };
992                                 let mut local_path = Vec::new(); for mut item in path.drain(..) { local_path.push( { crate::lightning::routing::router::RouteHop { inner: ObjOps::heap_alloc(item), is_owned: true } }); };
993                                 let mut local_short_channel_id = if short_channel_id.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { short_channel_id.unwrap() }) };
994                                 let mut local_retry = crate::lightning::routing::router::RouteParameters { inner: if retry.is_none() { core::ptr::null_mut() } else {  { ObjOps::heap_alloc((retry.unwrap())) } }, is_owned: true };
995                                 Event::PaymentPathFailed {
996                                         payment_id: local_payment_id,
997                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash.0 },
998                                         rejected_by_dest: rejected_by_dest,
999                                         network_update: local_network_update,
1000                                         all_paths_failed: all_paths_failed,
1001                                         path: local_path.into(),
1002                                         short_channel_id: local_short_channel_id,
1003                                         retry: local_retry,
1004                                 }
1005                         },
1006                         nativeEvent::PaymentFailed {mut payment_id, mut payment_hash, } => {
1007                                 Event::PaymentFailed {
1008                                         payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id.0 },
1009                                         payment_hash: crate::c_types::ThirtyTwoBytes { data: payment_hash.0 },
1010                                 }
1011                         },
1012                         nativeEvent::PendingHTLCsForwardable {mut time_forwardable, } => {
1013                                 Event::PendingHTLCsForwardable {
1014                                         time_forwardable: time_forwardable.as_secs(),
1015                                 }
1016                         },
1017                         nativeEvent::SpendableOutputs {mut outputs, } => {
1018                                 let mut local_outputs = Vec::new(); for mut item in outputs.drain(..) { local_outputs.push( { crate::lightning::chain::keysinterface::SpendableOutputDescriptor::native_into(item) }); };
1019                                 Event::SpendableOutputs {
1020                                         outputs: local_outputs.into(),
1021                                 }
1022                         },
1023                         nativeEvent::PaymentForwarded {mut fee_earned_msat, mut claim_from_onchain_tx, } => {
1024                                 let mut local_fee_earned_msat = if fee_earned_msat.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { fee_earned_msat.unwrap() }) };
1025                                 Event::PaymentForwarded {
1026                                         fee_earned_msat: local_fee_earned_msat,
1027                                         claim_from_onchain_tx: claim_from_onchain_tx,
1028                                 }
1029                         },
1030                         nativeEvent::ChannelClosed {mut channel_id, mut user_channel_id, mut reason, } => {
1031                                 Event::ChannelClosed {
1032                                         channel_id: crate::c_types::ThirtyTwoBytes { data: channel_id },
1033                                         user_channel_id: user_channel_id,
1034                                         reason: crate::lightning::util::events::ClosureReason::native_into(reason),
1035                                 }
1036                         },
1037                         nativeEvent::DiscardFunding {mut channel_id, mut transaction, } => {
1038                                 Event::DiscardFunding {
1039                                         channel_id: crate::c_types::ThirtyTwoBytes { data: channel_id },
1040                                         transaction: crate::c_types::Transaction::from_bitcoin(&transaction),
1041                                 }
1042                         },
1043                         nativeEvent::PaymentPathSuccessful {mut payment_id, mut payment_hash, mut path, } => {
1044                                 let mut local_payment_hash = if payment_hash.is_none() { crate::c_types::ThirtyTwoBytes::null() } else {  { crate::c_types::ThirtyTwoBytes { data: (payment_hash.unwrap()).0 } } };
1045                                 let mut local_path = Vec::new(); for mut item in path.drain(..) { local_path.push( { crate::lightning::routing::router::RouteHop { inner: ObjOps::heap_alloc(item), is_owned: true } }); };
1046                                 Event::PaymentPathSuccessful {
1047                                         payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id.0 },
1048                                         payment_hash: local_payment_hash,
1049                                         path: local_path.into(),
1050                                 }
1051                         },
1052                 }
1053         }
1054 }
1055 /// Frees any resources used by the Event
1056 #[no_mangle]
1057 pub extern "C" fn Event_free(this_ptr: Event) { }
1058 /// Creates a copy of the Event
1059 #[no_mangle]
1060 pub extern "C" fn Event_clone(orig: &Event) -> Event {
1061         orig.clone()
1062 }
1063 #[no_mangle]
1064 /// Utility method to constructs a new FundingGenerationReady-variant Event
1065 pub extern "C" fn Event_funding_generation_ready(temporary_channel_id: crate::c_types::ThirtyTwoBytes, channel_value_satoshis: u64, output_script: crate::c_types::derived::CVec_u8Z, user_channel_id: u64) -> Event {
1066         Event::FundingGenerationReady {
1067                 temporary_channel_id,
1068                 channel_value_satoshis,
1069                 output_script,
1070                 user_channel_id,
1071         }
1072 }
1073 #[no_mangle]
1074 /// Utility method to constructs a new PaymentReceived-variant Event
1075 pub extern "C" fn Event_payment_received(payment_hash: crate::c_types::ThirtyTwoBytes, amt: u64, purpose: crate::lightning::util::events::PaymentPurpose) -> Event {
1076         Event::PaymentReceived {
1077                 payment_hash,
1078                 amt,
1079                 purpose,
1080         }
1081 }
1082 #[no_mangle]
1083 /// Utility method to constructs a new PaymentSent-variant Event
1084 pub extern "C" fn Event_payment_sent(payment_id: crate::c_types::ThirtyTwoBytes, payment_preimage: crate::c_types::ThirtyTwoBytes, payment_hash: crate::c_types::ThirtyTwoBytes, fee_paid_msat: crate::c_types::derived::COption_u64Z) -> Event {
1085         Event::PaymentSent {
1086                 payment_id,
1087                 payment_preimage,
1088                 payment_hash,
1089                 fee_paid_msat,
1090         }
1091 }
1092 #[no_mangle]
1093 /// Utility method to constructs a new PaymentPathFailed-variant Event
1094 pub extern "C" fn Event_payment_path_failed(payment_id: crate::c_types::ThirtyTwoBytes, payment_hash: crate::c_types::ThirtyTwoBytes, rejected_by_dest: bool, network_update: crate::c_types::derived::COption_NetworkUpdateZ, all_paths_failed: bool, path: crate::c_types::derived::CVec_RouteHopZ, short_channel_id: crate::c_types::derived::COption_u64Z, retry: crate::lightning::routing::router::RouteParameters) -> Event {
1095         Event::PaymentPathFailed {
1096                 payment_id,
1097                 payment_hash,
1098                 rejected_by_dest,
1099                 network_update,
1100                 all_paths_failed,
1101                 path,
1102                 short_channel_id,
1103                 retry,
1104         }
1105 }
1106 #[no_mangle]
1107 /// Utility method to constructs a new PaymentFailed-variant Event
1108 pub extern "C" fn Event_payment_failed(payment_id: crate::c_types::ThirtyTwoBytes, payment_hash: crate::c_types::ThirtyTwoBytes) -> Event {
1109         Event::PaymentFailed {
1110                 payment_id,
1111                 payment_hash,
1112         }
1113 }
1114 #[no_mangle]
1115 /// Utility method to constructs a new PendingHTLCsForwardable-variant Event
1116 pub extern "C" fn Event_pending_htlcs_forwardable(time_forwardable: u64) -> Event {
1117         Event::PendingHTLCsForwardable {
1118                 time_forwardable,
1119         }
1120 }
1121 #[no_mangle]
1122 /// Utility method to constructs a new SpendableOutputs-variant Event
1123 pub extern "C" fn Event_spendable_outputs(outputs: crate::c_types::derived::CVec_SpendableOutputDescriptorZ) -> Event {
1124         Event::SpendableOutputs {
1125                 outputs,
1126         }
1127 }
1128 #[no_mangle]
1129 /// Utility method to constructs a new PaymentForwarded-variant Event
1130 pub extern "C" fn Event_payment_forwarded(fee_earned_msat: crate::c_types::derived::COption_u64Z, claim_from_onchain_tx: bool) -> Event {
1131         Event::PaymentForwarded {
1132                 fee_earned_msat,
1133                 claim_from_onchain_tx,
1134         }
1135 }
1136 #[no_mangle]
1137 /// Utility method to constructs a new ChannelClosed-variant Event
1138 pub extern "C" fn Event_channel_closed(channel_id: crate::c_types::ThirtyTwoBytes, user_channel_id: u64, reason: crate::lightning::util::events::ClosureReason) -> Event {
1139         Event::ChannelClosed {
1140                 channel_id,
1141                 user_channel_id,
1142                 reason,
1143         }
1144 }
1145 #[no_mangle]
1146 /// Utility method to constructs a new DiscardFunding-variant Event
1147 pub extern "C" fn Event_discard_funding(channel_id: crate::c_types::ThirtyTwoBytes, transaction: crate::c_types::Transaction) -> Event {
1148         Event::DiscardFunding {
1149                 channel_id,
1150                 transaction,
1151         }
1152 }
1153 #[no_mangle]
1154 /// Utility method to constructs a new PaymentPathSuccessful-variant Event
1155 pub extern "C" fn Event_payment_path_successful(payment_id: crate::c_types::ThirtyTwoBytes, payment_hash: crate::c_types::ThirtyTwoBytes, path: crate::c_types::derived::CVec_RouteHopZ) -> Event {
1156         Event::PaymentPathSuccessful {
1157                 payment_id,
1158                 payment_hash,
1159                 path,
1160         }
1161 }
1162 #[no_mangle]
1163 /// Serialize the Event object into a byte array which can be read by Event_read
1164 pub extern "C" fn Event_write(obj: &Event) -> crate::c_types::derived::CVec_u8Z {
1165         crate::c_types::serialize_obj(&unsafe { &*obj }.to_native())
1166 }
1167 #[no_mangle]
1168 /// Read a Event from a byte array, created by Event_write
1169 pub extern "C" fn Event_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_COption_EventZDecodeErrorZ {
1170         let res: Result<Option<lightning::util::events::Event>, lightning::ln::msgs::DecodeError> = crate::c_types::maybe_deserialize_obj(ser);
1171         let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_res_0 = if o.is_none() { crate::c_types::derived::COption_EventZ::None } else { crate::c_types::derived::COption_EventZ::Some( { crate::lightning::util::events::Event::native_into(o.unwrap()) }) }; local_res_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() };
1172         local_res
1173 }
1174 /// An event generated by ChannelManager which indicates a message should be sent to a peer (or
1175 /// broadcast to most peers).
1176 /// These events are handled by PeerManager::process_events if you are using a PeerManager.
1177 #[must_use]
1178 #[derive(Clone)]
1179 #[repr(C)]
1180 pub enum MessageSendEvent {
1181         /// Used to indicate that we've accepted a channel open and should send the accept_channel
1182         /// message provided to the given peer.
1183         SendAcceptChannel {
1184                 /// The node_id of the node which should receive this message
1185                 node_id: crate::c_types::PublicKey,
1186                 /// The message which should be sent.
1187                 msg: crate::lightning::ln::msgs::AcceptChannel,
1188         },
1189         /// Used to indicate that we've initiated a channel open and should send the open_channel
1190         /// message provided to the given peer.
1191         SendOpenChannel {
1192                 /// The node_id of the node which should receive this message
1193                 node_id: crate::c_types::PublicKey,
1194                 /// The message which should be sent.
1195                 msg: crate::lightning::ln::msgs::OpenChannel,
1196         },
1197         /// Used to indicate that a funding_created message should be sent to the peer with the given node_id.
1198         SendFundingCreated {
1199                 /// The node_id of the node which should receive this message
1200                 node_id: crate::c_types::PublicKey,
1201                 /// The message which should be sent.
1202                 msg: crate::lightning::ln::msgs::FundingCreated,
1203         },
1204         /// Used to indicate that a funding_signed message should be sent to the peer with the given node_id.
1205         SendFundingSigned {
1206                 /// The node_id of the node which should receive this message
1207                 node_id: crate::c_types::PublicKey,
1208                 /// The message which should be sent.
1209                 msg: crate::lightning::ln::msgs::FundingSigned,
1210         },
1211         /// Used to indicate that a funding_locked message should be sent to the peer with the given node_id.
1212         SendFundingLocked {
1213                 /// The node_id of the node which should receive these message(s)
1214                 node_id: crate::c_types::PublicKey,
1215                 /// The funding_locked message which should be sent.
1216                 msg: crate::lightning::ln::msgs::FundingLocked,
1217         },
1218         /// Used to indicate that an announcement_signatures message should be sent to the peer with the given node_id.
1219         SendAnnouncementSignatures {
1220                 /// The node_id of the node which should receive these message(s)
1221                 node_id: crate::c_types::PublicKey,
1222                 /// The announcement_signatures message which should be sent.
1223                 msg: crate::lightning::ln::msgs::AnnouncementSignatures,
1224         },
1225         /// Used to indicate that a series of HTLC update messages, as well as a commitment_signed
1226         /// message should be sent to the peer with the given node_id.
1227         UpdateHTLCs {
1228                 /// The node_id of the node which should receive these message(s)
1229                 node_id: crate::c_types::PublicKey,
1230                 /// The update messages which should be sent. ALL messages in the struct should be sent!
1231                 updates: crate::lightning::ln::msgs::CommitmentUpdate,
1232         },
1233         /// Used to indicate that a revoke_and_ack message should be sent to the peer with the given node_id.
1234         SendRevokeAndACK {
1235                 /// The node_id of the node which should receive this message
1236                 node_id: crate::c_types::PublicKey,
1237                 /// The message which should be sent.
1238                 msg: crate::lightning::ln::msgs::RevokeAndACK,
1239         },
1240         /// Used to indicate that a closing_signed message should be sent to the peer with the given node_id.
1241         SendClosingSigned {
1242                 /// The node_id of the node which should receive this message
1243                 node_id: crate::c_types::PublicKey,
1244                 /// The message which should be sent.
1245                 msg: crate::lightning::ln::msgs::ClosingSigned,
1246         },
1247         /// Used to indicate that a shutdown message should be sent to the peer with the given node_id.
1248         SendShutdown {
1249                 /// The node_id of the node which should receive this message
1250                 node_id: crate::c_types::PublicKey,
1251                 /// The message which should be sent.
1252                 msg: crate::lightning::ln::msgs::Shutdown,
1253         },
1254         /// Used to indicate that a channel_reestablish message should be sent to the peer with the given node_id.
1255         SendChannelReestablish {
1256                 /// The node_id of the node which should receive this message
1257                 node_id: crate::c_types::PublicKey,
1258                 /// The message which should be sent.
1259                 msg: crate::lightning::ln::msgs::ChannelReestablish,
1260         },
1261         /// Used to indicate that a channel_announcement and channel_update should be broadcast to all
1262         /// peers (except the peer with node_id either msg.contents.node_id_1 or msg.contents.node_id_2).
1263         ///
1264         /// Note that after doing so, you very likely (unless you did so very recently) want to call
1265         /// ChannelManager::broadcast_node_announcement to trigger a BroadcastNodeAnnouncement event.
1266         /// This ensures that any nodes which see our channel_announcement also have a relevant
1267         /// node_announcement, including relevant feature flags which may be important for routing
1268         /// through or to us.
1269         BroadcastChannelAnnouncement {
1270                 /// The channel_announcement which should be sent.
1271                 msg: crate::lightning::ln::msgs::ChannelAnnouncement,
1272                 /// The followup channel_update which should be sent.
1273                 update_msg: crate::lightning::ln::msgs::ChannelUpdate,
1274         },
1275         /// Used to indicate that a node_announcement should be broadcast to all peers.
1276         BroadcastNodeAnnouncement {
1277                 /// The node_announcement which should be sent.
1278                 msg: crate::lightning::ln::msgs::NodeAnnouncement,
1279         },
1280         /// Used to indicate that a channel_update should be broadcast to all peers.
1281         BroadcastChannelUpdate {
1282                 /// The channel_update which should be sent.
1283                 msg: crate::lightning::ln::msgs::ChannelUpdate,
1284         },
1285         /// Used to indicate that a channel_update should be sent to a single peer.
1286         /// In contrast to [`Self::BroadcastChannelUpdate`], this is used when the channel is a
1287         /// private channel and we shouldn't be informing all of our peers of channel parameters.
1288         SendChannelUpdate {
1289                 /// The node_id of the node which should receive this message
1290                 node_id: crate::c_types::PublicKey,
1291                 /// The channel_update which should be sent.
1292                 msg: crate::lightning::ln::msgs::ChannelUpdate,
1293         },
1294         /// Broadcast an error downstream to be handled
1295         HandleError {
1296                 /// The node_id of the node which should receive this message
1297                 node_id: crate::c_types::PublicKey,
1298                 /// The action which should be taken.
1299                 action: crate::lightning::ln::msgs::ErrorAction,
1300         },
1301         /// Query a peer for channels with funding transaction UTXOs in a block range.
1302         SendChannelRangeQuery {
1303                 /// The node_id of this message recipient
1304                 node_id: crate::c_types::PublicKey,
1305                 /// The query_channel_range which should be sent.
1306                 msg: crate::lightning::ln::msgs::QueryChannelRange,
1307         },
1308         /// Request routing gossip messages from a peer for a list of channels identified by
1309         /// their short_channel_ids.
1310         SendShortIdsQuery {
1311                 /// The node_id of this message recipient
1312                 node_id: crate::c_types::PublicKey,
1313                 /// The query_short_channel_ids which should be sent.
1314                 msg: crate::lightning::ln::msgs::QueryShortChannelIds,
1315         },
1316         /// Sends a reply to a channel range query. This may be one of several SendReplyChannelRange events
1317         /// emitted during processing of the query.
1318         SendReplyChannelRange {
1319                 /// The node_id of this message recipient
1320                 node_id: crate::c_types::PublicKey,
1321                 /// The reply_channel_range which should be sent.
1322                 msg: crate::lightning::ln::msgs::ReplyChannelRange,
1323         },
1324 }
1325 use lightning::util::events::MessageSendEvent as nativeMessageSendEvent;
1326 impl MessageSendEvent {
1327         #[allow(unused)]
1328         pub(crate) fn to_native(&self) -> nativeMessageSendEvent {
1329                 match self {
1330                         MessageSendEvent::SendAcceptChannel {ref node_id, ref msg, } => {
1331                                 let mut node_id_nonref = (*node_id).clone();
1332                                 let mut msg_nonref = (*msg).clone();
1333                                 nativeMessageSendEvent::SendAcceptChannel {
1334                                         node_id: node_id_nonref.into_rust(),
1335                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1336                                 }
1337                         },
1338                         MessageSendEvent::SendOpenChannel {ref node_id, ref msg, } => {
1339                                 let mut node_id_nonref = (*node_id).clone();
1340                                 let mut msg_nonref = (*msg).clone();
1341                                 nativeMessageSendEvent::SendOpenChannel {
1342                                         node_id: node_id_nonref.into_rust(),
1343                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1344                                 }
1345                         },
1346                         MessageSendEvent::SendFundingCreated {ref node_id, ref msg, } => {
1347                                 let mut node_id_nonref = (*node_id).clone();
1348                                 let mut msg_nonref = (*msg).clone();
1349                                 nativeMessageSendEvent::SendFundingCreated {
1350                                         node_id: node_id_nonref.into_rust(),
1351                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1352                                 }
1353                         },
1354                         MessageSendEvent::SendFundingSigned {ref node_id, ref msg, } => {
1355                                 let mut node_id_nonref = (*node_id).clone();
1356                                 let mut msg_nonref = (*msg).clone();
1357                                 nativeMessageSendEvent::SendFundingSigned {
1358                                         node_id: node_id_nonref.into_rust(),
1359                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1360                                 }
1361                         },
1362                         MessageSendEvent::SendFundingLocked {ref node_id, ref msg, } => {
1363                                 let mut node_id_nonref = (*node_id).clone();
1364                                 let mut msg_nonref = (*msg).clone();
1365                                 nativeMessageSendEvent::SendFundingLocked {
1366                                         node_id: node_id_nonref.into_rust(),
1367                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1368                                 }
1369                         },
1370                         MessageSendEvent::SendAnnouncementSignatures {ref node_id, ref msg, } => {
1371                                 let mut node_id_nonref = (*node_id).clone();
1372                                 let mut msg_nonref = (*msg).clone();
1373                                 nativeMessageSendEvent::SendAnnouncementSignatures {
1374                                         node_id: node_id_nonref.into_rust(),
1375                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1376                                 }
1377                         },
1378                         MessageSendEvent::UpdateHTLCs {ref node_id, ref updates, } => {
1379                                 let mut node_id_nonref = (*node_id).clone();
1380                                 let mut updates_nonref = (*updates).clone();
1381                                 nativeMessageSendEvent::UpdateHTLCs {
1382                                         node_id: node_id_nonref.into_rust(),
1383                                         updates: *unsafe { Box::from_raw(updates_nonref.take_inner()) },
1384                                 }
1385                         },
1386                         MessageSendEvent::SendRevokeAndACK {ref node_id, ref msg, } => {
1387                                 let mut node_id_nonref = (*node_id).clone();
1388                                 let mut msg_nonref = (*msg).clone();
1389                                 nativeMessageSendEvent::SendRevokeAndACK {
1390                                         node_id: node_id_nonref.into_rust(),
1391                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1392                                 }
1393                         },
1394                         MessageSendEvent::SendClosingSigned {ref node_id, ref msg, } => {
1395                                 let mut node_id_nonref = (*node_id).clone();
1396                                 let mut msg_nonref = (*msg).clone();
1397                                 nativeMessageSendEvent::SendClosingSigned {
1398                                         node_id: node_id_nonref.into_rust(),
1399                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1400                                 }
1401                         },
1402                         MessageSendEvent::SendShutdown {ref node_id, ref msg, } => {
1403                                 let mut node_id_nonref = (*node_id).clone();
1404                                 let mut msg_nonref = (*msg).clone();
1405                                 nativeMessageSendEvent::SendShutdown {
1406                                         node_id: node_id_nonref.into_rust(),
1407                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1408                                 }
1409                         },
1410                         MessageSendEvent::SendChannelReestablish {ref node_id, ref msg, } => {
1411                                 let mut node_id_nonref = (*node_id).clone();
1412                                 let mut msg_nonref = (*msg).clone();
1413                                 nativeMessageSendEvent::SendChannelReestablish {
1414                                         node_id: node_id_nonref.into_rust(),
1415                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1416                                 }
1417                         },
1418                         MessageSendEvent::BroadcastChannelAnnouncement {ref msg, ref update_msg, } => {
1419                                 let mut msg_nonref = (*msg).clone();
1420                                 let mut update_msg_nonref = (*update_msg).clone();
1421                                 nativeMessageSendEvent::BroadcastChannelAnnouncement {
1422                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1423                                         update_msg: *unsafe { Box::from_raw(update_msg_nonref.take_inner()) },
1424                                 }
1425                         },
1426                         MessageSendEvent::BroadcastNodeAnnouncement {ref msg, } => {
1427                                 let mut msg_nonref = (*msg).clone();
1428                                 nativeMessageSendEvent::BroadcastNodeAnnouncement {
1429                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1430                                 }
1431                         },
1432                         MessageSendEvent::BroadcastChannelUpdate {ref msg, } => {
1433                                 let mut msg_nonref = (*msg).clone();
1434                                 nativeMessageSendEvent::BroadcastChannelUpdate {
1435                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1436                                 }
1437                         },
1438                         MessageSendEvent::SendChannelUpdate {ref node_id, ref msg, } => {
1439                                 let mut node_id_nonref = (*node_id).clone();
1440                                 let mut msg_nonref = (*msg).clone();
1441                                 nativeMessageSendEvent::SendChannelUpdate {
1442                                         node_id: node_id_nonref.into_rust(),
1443                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1444                                 }
1445                         },
1446                         MessageSendEvent::HandleError {ref node_id, ref action, } => {
1447                                 let mut node_id_nonref = (*node_id).clone();
1448                                 let mut action_nonref = (*action).clone();
1449                                 nativeMessageSendEvent::HandleError {
1450                                         node_id: node_id_nonref.into_rust(),
1451                                         action: action_nonref.into_native(),
1452                                 }
1453                         },
1454                         MessageSendEvent::SendChannelRangeQuery {ref node_id, ref msg, } => {
1455                                 let mut node_id_nonref = (*node_id).clone();
1456                                 let mut msg_nonref = (*msg).clone();
1457                                 nativeMessageSendEvent::SendChannelRangeQuery {
1458                                         node_id: node_id_nonref.into_rust(),
1459                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1460                                 }
1461                         },
1462                         MessageSendEvent::SendShortIdsQuery {ref node_id, ref msg, } => {
1463                                 let mut node_id_nonref = (*node_id).clone();
1464                                 let mut msg_nonref = (*msg).clone();
1465                                 nativeMessageSendEvent::SendShortIdsQuery {
1466                                         node_id: node_id_nonref.into_rust(),
1467                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1468                                 }
1469                         },
1470                         MessageSendEvent::SendReplyChannelRange {ref node_id, ref msg, } => {
1471                                 let mut node_id_nonref = (*node_id).clone();
1472                                 let mut msg_nonref = (*msg).clone();
1473                                 nativeMessageSendEvent::SendReplyChannelRange {
1474                                         node_id: node_id_nonref.into_rust(),
1475                                         msg: *unsafe { Box::from_raw(msg_nonref.take_inner()) },
1476                                 }
1477                         },
1478                 }
1479         }
1480         #[allow(unused)]
1481         pub(crate) fn into_native(self) -> nativeMessageSendEvent {
1482                 match self {
1483                         MessageSendEvent::SendAcceptChannel {mut node_id, mut msg, } => {
1484                                 nativeMessageSendEvent::SendAcceptChannel {
1485                                         node_id: node_id.into_rust(),
1486                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1487                                 }
1488                         },
1489                         MessageSendEvent::SendOpenChannel {mut node_id, mut msg, } => {
1490                                 nativeMessageSendEvent::SendOpenChannel {
1491                                         node_id: node_id.into_rust(),
1492                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1493                                 }
1494                         },
1495                         MessageSendEvent::SendFundingCreated {mut node_id, mut msg, } => {
1496                                 nativeMessageSendEvent::SendFundingCreated {
1497                                         node_id: node_id.into_rust(),
1498                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1499                                 }
1500                         },
1501                         MessageSendEvent::SendFundingSigned {mut node_id, mut msg, } => {
1502                                 nativeMessageSendEvent::SendFundingSigned {
1503                                         node_id: node_id.into_rust(),
1504                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1505                                 }
1506                         },
1507                         MessageSendEvent::SendFundingLocked {mut node_id, mut msg, } => {
1508                                 nativeMessageSendEvent::SendFundingLocked {
1509                                         node_id: node_id.into_rust(),
1510                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1511                                 }
1512                         },
1513                         MessageSendEvent::SendAnnouncementSignatures {mut node_id, mut msg, } => {
1514                                 nativeMessageSendEvent::SendAnnouncementSignatures {
1515                                         node_id: node_id.into_rust(),
1516                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1517                                 }
1518                         },
1519                         MessageSendEvent::UpdateHTLCs {mut node_id, mut updates, } => {
1520                                 nativeMessageSendEvent::UpdateHTLCs {
1521                                         node_id: node_id.into_rust(),
1522                                         updates: *unsafe { Box::from_raw(updates.take_inner()) },
1523                                 }
1524                         },
1525                         MessageSendEvent::SendRevokeAndACK {mut node_id, mut msg, } => {
1526                                 nativeMessageSendEvent::SendRevokeAndACK {
1527                                         node_id: node_id.into_rust(),
1528                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1529                                 }
1530                         },
1531                         MessageSendEvent::SendClosingSigned {mut node_id, mut msg, } => {
1532                                 nativeMessageSendEvent::SendClosingSigned {
1533                                         node_id: node_id.into_rust(),
1534                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1535                                 }
1536                         },
1537                         MessageSendEvent::SendShutdown {mut node_id, mut msg, } => {
1538                                 nativeMessageSendEvent::SendShutdown {
1539                                         node_id: node_id.into_rust(),
1540                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1541                                 }
1542                         },
1543                         MessageSendEvent::SendChannelReestablish {mut node_id, mut msg, } => {
1544                                 nativeMessageSendEvent::SendChannelReestablish {
1545                                         node_id: node_id.into_rust(),
1546                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1547                                 }
1548                         },
1549                         MessageSendEvent::BroadcastChannelAnnouncement {mut msg, mut update_msg, } => {
1550                                 nativeMessageSendEvent::BroadcastChannelAnnouncement {
1551                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1552                                         update_msg: *unsafe { Box::from_raw(update_msg.take_inner()) },
1553                                 }
1554                         },
1555                         MessageSendEvent::BroadcastNodeAnnouncement {mut msg, } => {
1556                                 nativeMessageSendEvent::BroadcastNodeAnnouncement {
1557                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1558                                 }
1559                         },
1560                         MessageSendEvent::BroadcastChannelUpdate {mut msg, } => {
1561                                 nativeMessageSendEvent::BroadcastChannelUpdate {
1562                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1563                                 }
1564                         },
1565                         MessageSendEvent::SendChannelUpdate {mut node_id, mut msg, } => {
1566                                 nativeMessageSendEvent::SendChannelUpdate {
1567                                         node_id: node_id.into_rust(),
1568                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1569                                 }
1570                         },
1571                         MessageSendEvent::HandleError {mut node_id, mut action, } => {
1572                                 nativeMessageSendEvent::HandleError {
1573                                         node_id: node_id.into_rust(),
1574                                         action: action.into_native(),
1575                                 }
1576                         },
1577                         MessageSendEvent::SendChannelRangeQuery {mut node_id, mut msg, } => {
1578                                 nativeMessageSendEvent::SendChannelRangeQuery {
1579                                         node_id: node_id.into_rust(),
1580                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1581                                 }
1582                         },
1583                         MessageSendEvent::SendShortIdsQuery {mut node_id, mut msg, } => {
1584                                 nativeMessageSendEvent::SendShortIdsQuery {
1585                                         node_id: node_id.into_rust(),
1586                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1587                                 }
1588                         },
1589                         MessageSendEvent::SendReplyChannelRange {mut node_id, mut msg, } => {
1590                                 nativeMessageSendEvent::SendReplyChannelRange {
1591                                         node_id: node_id.into_rust(),
1592                                         msg: *unsafe { Box::from_raw(msg.take_inner()) },
1593                                 }
1594                         },
1595                 }
1596         }
1597         #[allow(unused)]
1598         pub(crate) fn from_native(native: &nativeMessageSendEvent) -> Self {
1599                 match native {
1600                         nativeMessageSendEvent::SendAcceptChannel {ref node_id, ref msg, } => {
1601                                 let mut node_id_nonref = (*node_id).clone();
1602                                 let mut msg_nonref = (*msg).clone();
1603                                 MessageSendEvent::SendAcceptChannel {
1604                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1605                                         msg: crate::lightning::ln::msgs::AcceptChannel { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1606                                 }
1607                         },
1608                         nativeMessageSendEvent::SendOpenChannel {ref node_id, ref msg, } => {
1609                                 let mut node_id_nonref = (*node_id).clone();
1610                                 let mut msg_nonref = (*msg).clone();
1611                                 MessageSendEvent::SendOpenChannel {
1612                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1613                                         msg: crate::lightning::ln::msgs::OpenChannel { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1614                                 }
1615                         },
1616                         nativeMessageSendEvent::SendFundingCreated {ref node_id, ref msg, } => {
1617                                 let mut node_id_nonref = (*node_id).clone();
1618                                 let mut msg_nonref = (*msg).clone();
1619                                 MessageSendEvent::SendFundingCreated {
1620                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1621                                         msg: crate::lightning::ln::msgs::FundingCreated { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1622                                 }
1623                         },
1624                         nativeMessageSendEvent::SendFundingSigned {ref node_id, ref msg, } => {
1625                                 let mut node_id_nonref = (*node_id).clone();
1626                                 let mut msg_nonref = (*msg).clone();
1627                                 MessageSendEvent::SendFundingSigned {
1628                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1629                                         msg: crate::lightning::ln::msgs::FundingSigned { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1630                                 }
1631                         },
1632                         nativeMessageSendEvent::SendFundingLocked {ref node_id, ref msg, } => {
1633                                 let mut node_id_nonref = (*node_id).clone();
1634                                 let mut msg_nonref = (*msg).clone();
1635                                 MessageSendEvent::SendFundingLocked {
1636                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1637                                         msg: crate::lightning::ln::msgs::FundingLocked { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1638                                 }
1639                         },
1640                         nativeMessageSendEvent::SendAnnouncementSignatures {ref node_id, ref msg, } => {
1641                                 let mut node_id_nonref = (*node_id).clone();
1642                                 let mut msg_nonref = (*msg).clone();
1643                                 MessageSendEvent::SendAnnouncementSignatures {
1644                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1645                                         msg: crate::lightning::ln::msgs::AnnouncementSignatures { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1646                                 }
1647                         },
1648                         nativeMessageSendEvent::UpdateHTLCs {ref node_id, ref updates, } => {
1649                                 let mut node_id_nonref = (*node_id).clone();
1650                                 let mut updates_nonref = (*updates).clone();
1651                                 MessageSendEvent::UpdateHTLCs {
1652                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1653                                         updates: crate::lightning::ln::msgs::CommitmentUpdate { inner: ObjOps::heap_alloc(updates_nonref), is_owned: true },
1654                                 }
1655                         },
1656                         nativeMessageSendEvent::SendRevokeAndACK {ref node_id, ref msg, } => {
1657                                 let mut node_id_nonref = (*node_id).clone();
1658                                 let mut msg_nonref = (*msg).clone();
1659                                 MessageSendEvent::SendRevokeAndACK {
1660                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1661                                         msg: crate::lightning::ln::msgs::RevokeAndACK { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1662                                 }
1663                         },
1664                         nativeMessageSendEvent::SendClosingSigned {ref node_id, ref msg, } => {
1665                                 let mut node_id_nonref = (*node_id).clone();
1666                                 let mut msg_nonref = (*msg).clone();
1667                                 MessageSendEvent::SendClosingSigned {
1668                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1669                                         msg: crate::lightning::ln::msgs::ClosingSigned { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1670                                 }
1671                         },
1672                         nativeMessageSendEvent::SendShutdown {ref node_id, ref msg, } => {
1673                                 let mut node_id_nonref = (*node_id).clone();
1674                                 let mut msg_nonref = (*msg).clone();
1675                                 MessageSendEvent::SendShutdown {
1676                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1677                                         msg: crate::lightning::ln::msgs::Shutdown { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1678                                 }
1679                         },
1680                         nativeMessageSendEvent::SendChannelReestablish {ref node_id, ref msg, } => {
1681                                 let mut node_id_nonref = (*node_id).clone();
1682                                 let mut msg_nonref = (*msg).clone();
1683                                 MessageSendEvent::SendChannelReestablish {
1684                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1685                                         msg: crate::lightning::ln::msgs::ChannelReestablish { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1686                                 }
1687                         },
1688                         nativeMessageSendEvent::BroadcastChannelAnnouncement {ref msg, ref update_msg, } => {
1689                                 let mut msg_nonref = (*msg).clone();
1690                                 let mut update_msg_nonref = (*update_msg).clone();
1691                                 MessageSendEvent::BroadcastChannelAnnouncement {
1692                                         msg: crate::lightning::ln::msgs::ChannelAnnouncement { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1693                                         update_msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(update_msg_nonref), is_owned: true },
1694                                 }
1695                         },
1696                         nativeMessageSendEvent::BroadcastNodeAnnouncement {ref msg, } => {
1697                                 let mut msg_nonref = (*msg).clone();
1698                                 MessageSendEvent::BroadcastNodeAnnouncement {
1699                                         msg: crate::lightning::ln::msgs::NodeAnnouncement { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1700                                 }
1701                         },
1702                         nativeMessageSendEvent::BroadcastChannelUpdate {ref msg, } => {
1703                                 let mut msg_nonref = (*msg).clone();
1704                                 MessageSendEvent::BroadcastChannelUpdate {
1705                                         msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1706                                 }
1707                         },
1708                         nativeMessageSendEvent::SendChannelUpdate {ref node_id, ref msg, } => {
1709                                 let mut node_id_nonref = (*node_id).clone();
1710                                 let mut msg_nonref = (*msg).clone();
1711                                 MessageSendEvent::SendChannelUpdate {
1712                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1713                                         msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1714                                 }
1715                         },
1716                         nativeMessageSendEvent::HandleError {ref node_id, ref action, } => {
1717                                 let mut node_id_nonref = (*node_id).clone();
1718                                 let mut action_nonref = (*action).clone();
1719                                 MessageSendEvent::HandleError {
1720                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1721                                         action: crate::lightning::ln::msgs::ErrorAction::native_into(action_nonref),
1722                                 }
1723                         },
1724                         nativeMessageSendEvent::SendChannelRangeQuery {ref node_id, ref msg, } => {
1725                                 let mut node_id_nonref = (*node_id).clone();
1726                                 let mut msg_nonref = (*msg).clone();
1727                                 MessageSendEvent::SendChannelRangeQuery {
1728                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1729                                         msg: crate::lightning::ln::msgs::QueryChannelRange { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1730                                 }
1731                         },
1732                         nativeMessageSendEvent::SendShortIdsQuery {ref node_id, ref msg, } => {
1733                                 let mut node_id_nonref = (*node_id).clone();
1734                                 let mut msg_nonref = (*msg).clone();
1735                                 MessageSendEvent::SendShortIdsQuery {
1736                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1737                                         msg: crate::lightning::ln::msgs::QueryShortChannelIds { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1738                                 }
1739                         },
1740                         nativeMessageSendEvent::SendReplyChannelRange {ref node_id, ref msg, } => {
1741                                 let mut node_id_nonref = (*node_id).clone();
1742                                 let mut msg_nonref = (*msg).clone();
1743                                 MessageSendEvent::SendReplyChannelRange {
1744                                         node_id: crate::c_types::PublicKey::from_rust(&node_id_nonref),
1745                                         msg: crate::lightning::ln::msgs::ReplyChannelRange { inner: ObjOps::heap_alloc(msg_nonref), is_owned: true },
1746                                 }
1747                         },
1748                 }
1749         }
1750         #[allow(unused)]
1751         pub(crate) fn native_into(native: nativeMessageSendEvent) -> Self {
1752                 match native {
1753                         nativeMessageSendEvent::SendAcceptChannel {mut node_id, mut msg, } => {
1754                                 MessageSendEvent::SendAcceptChannel {
1755                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1756                                         msg: crate::lightning::ln::msgs::AcceptChannel { inner: ObjOps::heap_alloc(msg), is_owned: true },
1757                                 }
1758                         },
1759                         nativeMessageSendEvent::SendOpenChannel {mut node_id, mut msg, } => {
1760                                 MessageSendEvent::SendOpenChannel {
1761                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1762                                         msg: crate::lightning::ln::msgs::OpenChannel { inner: ObjOps::heap_alloc(msg), is_owned: true },
1763                                 }
1764                         },
1765                         nativeMessageSendEvent::SendFundingCreated {mut node_id, mut msg, } => {
1766                                 MessageSendEvent::SendFundingCreated {
1767                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1768                                         msg: crate::lightning::ln::msgs::FundingCreated { inner: ObjOps::heap_alloc(msg), is_owned: true },
1769                                 }
1770                         },
1771                         nativeMessageSendEvent::SendFundingSigned {mut node_id, mut msg, } => {
1772                                 MessageSendEvent::SendFundingSigned {
1773                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1774                                         msg: crate::lightning::ln::msgs::FundingSigned { inner: ObjOps::heap_alloc(msg), is_owned: true },
1775                                 }
1776                         },
1777                         nativeMessageSendEvent::SendFundingLocked {mut node_id, mut msg, } => {
1778                                 MessageSendEvent::SendFundingLocked {
1779                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1780                                         msg: crate::lightning::ln::msgs::FundingLocked { inner: ObjOps::heap_alloc(msg), is_owned: true },
1781                                 }
1782                         },
1783                         nativeMessageSendEvent::SendAnnouncementSignatures {mut node_id, mut msg, } => {
1784                                 MessageSendEvent::SendAnnouncementSignatures {
1785                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1786                                         msg: crate::lightning::ln::msgs::AnnouncementSignatures { inner: ObjOps::heap_alloc(msg), is_owned: true },
1787                                 }
1788                         },
1789                         nativeMessageSendEvent::UpdateHTLCs {mut node_id, mut updates, } => {
1790                                 MessageSendEvent::UpdateHTLCs {
1791                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1792                                         updates: crate::lightning::ln::msgs::CommitmentUpdate { inner: ObjOps::heap_alloc(updates), is_owned: true },
1793                                 }
1794                         },
1795                         nativeMessageSendEvent::SendRevokeAndACK {mut node_id, mut msg, } => {
1796                                 MessageSendEvent::SendRevokeAndACK {
1797                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1798                                         msg: crate::lightning::ln::msgs::RevokeAndACK { inner: ObjOps::heap_alloc(msg), is_owned: true },
1799                                 }
1800                         },
1801                         nativeMessageSendEvent::SendClosingSigned {mut node_id, mut msg, } => {
1802                                 MessageSendEvent::SendClosingSigned {
1803                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1804                                         msg: crate::lightning::ln::msgs::ClosingSigned { inner: ObjOps::heap_alloc(msg), is_owned: true },
1805                                 }
1806                         },
1807                         nativeMessageSendEvent::SendShutdown {mut node_id, mut msg, } => {
1808                                 MessageSendEvent::SendShutdown {
1809                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1810                                         msg: crate::lightning::ln::msgs::Shutdown { inner: ObjOps::heap_alloc(msg), is_owned: true },
1811                                 }
1812                         },
1813                         nativeMessageSendEvent::SendChannelReestablish {mut node_id, mut msg, } => {
1814                                 MessageSendEvent::SendChannelReestablish {
1815                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1816                                         msg: crate::lightning::ln::msgs::ChannelReestablish { inner: ObjOps::heap_alloc(msg), is_owned: true },
1817                                 }
1818                         },
1819                         nativeMessageSendEvent::BroadcastChannelAnnouncement {mut msg, mut update_msg, } => {
1820                                 MessageSendEvent::BroadcastChannelAnnouncement {
1821                                         msg: crate::lightning::ln::msgs::ChannelAnnouncement { inner: ObjOps::heap_alloc(msg), is_owned: true },
1822                                         update_msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(update_msg), is_owned: true },
1823                                 }
1824                         },
1825                         nativeMessageSendEvent::BroadcastNodeAnnouncement {mut msg, } => {
1826                                 MessageSendEvent::BroadcastNodeAnnouncement {
1827                                         msg: crate::lightning::ln::msgs::NodeAnnouncement { inner: ObjOps::heap_alloc(msg), is_owned: true },
1828                                 }
1829                         },
1830                         nativeMessageSendEvent::BroadcastChannelUpdate {mut msg, } => {
1831                                 MessageSendEvent::BroadcastChannelUpdate {
1832                                         msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(msg), is_owned: true },
1833                                 }
1834                         },
1835                         nativeMessageSendEvent::SendChannelUpdate {mut node_id, mut msg, } => {
1836                                 MessageSendEvent::SendChannelUpdate {
1837                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1838                                         msg: crate::lightning::ln::msgs::ChannelUpdate { inner: ObjOps::heap_alloc(msg), is_owned: true },
1839                                 }
1840                         },
1841                         nativeMessageSendEvent::HandleError {mut node_id, mut action, } => {
1842                                 MessageSendEvent::HandleError {
1843                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1844                                         action: crate::lightning::ln::msgs::ErrorAction::native_into(action),
1845                                 }
1846                         },
1847                         nativeMessageSendEvent::SendChannelRangeQuery {mut node_id, mut msg, } => {
1848                                 MessageSendEvent::SendChannelRangeQuery {
1849                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1850                                         msg: crate::lightning::ln::msgs::QueryChannelRange { inner: ObjOps::heap_alloc(msg), is_owned: true },
1851                                 }
1852                         },
1853                         nativeMessageSendEvent::SendShortIdsQuery {mut node_id, mut msg, } => {
1854                                 MessageSendEvent::SendShortIdsQuery {
1855                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1856                                         msg: crate::lightning::ln::msgs::QueryShortChannelIds { inner: ObjOps::heap_alloc(msg), is_owned: true },
1857                                 }
1858                         },
1859                         nativeMessageSendEvent::SendReplyChannelRange {mut node_id, mut msg, } => {
1860                                 MessageSendEvent::SendReplyChannelRange {
1861                                         node_id: crate::c_types::PublicKey::from_rust(&node_id),
1862                                         msg: crate::lightning::ln::msgs::ReplyChannelRange { inner: ObjOps::heap_alloc(msg), is_owned: true },
1863                                 }
1864                         },
1865                 }
1866         }
1867 }
1868 /// Frees any resources used by the MessageSendEvent
1869 #[no_mangle]
1870 pub extern "C" fn MessageSendEvent_free(this_ptr: MessageSendEvent) { }
1871 /// Creates a copy of the MessageSendEvent
1872 #[no_mangle]
1873 pub extern "C" fn MessageSendEvent_clone(orig: &MessageSendEvent) -> MessageSendEvent {
1874         orig.clone()
1875 }
1876 #[no_mangle]
1877 /// Utility method to constructs a new SendAcceptChannel-variant MessageSendEvent
1878 pub extern "C" fn MessageSendEvent_send_accept_channel(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::AcceptChannel) -> MessageSendEvent {
1879         MessageSendEvent::SendAcceptChannel {
1880                 node_id,
1881                 msg,
1882         }
1883 }
1884 #[no_mangle]
1885 /// Utility method to constructs a new SendOpenChannel-variant MessageSendEvent
1886 pub extern "C" fn MessageSendEvent_send_open_channel(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::OpenChannel) -> MessageSendEvent {
1887         MessageSendEvent::SendOpenChannel {
1888                 node_id,
1889                 msg,
1890         }
1891 }
1892 #[no_mangle]
1893 /// Utility method to constructs a new SendFundingCreated-variant MessageSendEvent
1894 pub extern "C" fn MessageSendEvent_send_funding_created(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::FundingCreated) -> MessageSendEvent {
1895         MessageSendEvent::SendFundingCreated {
1896                 node_id,
1897                 msg,
1898         }
1899 }
1900 #[no_mangle]
1901 /// Utility method to constructs a new SendFundingSigned-variant MessageSendEvent
1902 pub extern "C" fn MessageSendEvent_send_funding_signed(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::FundingSigned) -> MessageSendEvent {
1903         MessageSendEvent::SendFundingSigned {
1904                 node_id,
1905                 msg,
1906         }
1907 }
1908 #[no_mangle]
1909 /// Utility method to constructs a new SendFundingLocked-variant MessageSendEvent
1910 pub extern "C" fn MessageSendEvent_send_funding_locked(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::FundingLocked) -> MessageSendEvent {
1911         MessageSendEvent::SendFundingLocked {
1912                 node_id,
1913                 msg,
1914         }
1915 }
1916 #[no_mangle]
1917 /// Utility method to constructs a new SendAnnouncementSignatures-variant MessageSendEvent
1918 pub extern "C" fn MessageSendEvent_send_announcement_signatures(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::AnnouncementSignatures) -> MessageSendEvent {
1919         MessageSendEvent::SendAnnouncementSignatures {
1920                 node_id,
1921                 msg,
1922         }
1923 }
1924 #[no_mangle]
1925 /// Utility method to constructs a new UpdateHTLCs-variant MessageSendEvent
1926 pub extern "C" fn MessageSendEvent_update_htlcs(node_id: crate::c_types::PublicKey, updates: crate::lightning::ln::msgs::CommitmentUpdate) -> MessageSendEvent {
1927         MessageSendEvent::UpdateHTLCs {
1928                 node_id,
1929                 updates,
1930         }
1931 }
1932 #[no_mangle]
1933 /// Utility method to constructs a new SendRevokeAndACK-variant MessageSendEvent
1934 pub extern "C" fn MessageSendEvent_send_revoke_and_ack(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::RevokeAndACK) -> MessageSendEvent {
1935         MessageSendEvent::SendRevokeAndACK {
1936                 node_id,
1937                 msg,
1938         }
1939 }
1940 #[no_mangle]
1941 /// Utility method to constructs a new SendClosingSigned-variant MessageSendEvent
1942 pub extern "C" fn MessageSendEvent_send_closing_signed(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::ClosingSigned) -> MessageSendEvent {
1943         MessageSendEvent::SendClosingSigned {
1944                 node_id,
1945                 msg,
1946         }
1947 }
1948 #[no_mangle]
1949 /// Utility method to constructs a new SendShutdown-variant MessageSendEvent
1950 pub extern "C" fn MessageSendEvent_send_shutdown(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::Shutdown) -> MessageSendEvent {
1951         MessageSendEvent::SendShutdown {
1952                 node_id,
1953                 msg,
1954         }
1955 }
1956 #[no_mangle]
1957 /// Utility method to constructs a new SendChannelReestablish-variant MessageSendEvent
1958 pub extern "C" fn MessageSendEvent_send_channel_reestablish(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::ChannelReestablish) -> MessageSendEvent {
1959         MessageSendEvent::SendChannelReestablish {
1960                 node_id,
1961                 msg,
1962         }
1963 }
1964 #[no_mangle]
1965 /// Utility method to constructs a new BroadcastChannelAnnouncement-variant MessageSendEvent
1966 pub extern "C" fn MessageSendEvent_broadcast_channel_announcement(msg: crate::lightning::ln::msgs::ChannelAnnouncement, update_msg: crate::lightning::ln::msgs::ChannelUpdate) -> MessageSendEvent {
1967         MessageSendEvent::BroadcastChannelAnnouncement {
1968                 msg,
1969                 update_msg,
1970         }
1971 }
1972 #[no_mangle]
1973 /// Utility method to constructs a new BroadcastNodeAnnouncement-variant MessageSendEvent
1974 pub extern "C" fn MessageSendEvent_broadcast_node_announcement(msg: crate::lightning::ln::msgs::NodeAnnouncement) -> MessageSendEvent {
1975         MessageSendEvent::BroadcastNodeAnnouncement {
1976                 msg,
1977         }
1978 }
1979 #[no_mangle]
1980 /// Utility method to constructs a new BroadcastChannelUpdate-variant MessageSendEvent
1981 pub extern "C" fn MessageSendEvent_broadcast_channel_update(msg: crate::lightning::ln::msgs::ChannelUpdate) -> MessageSendEvent {
1982         MessageSendEvent::BroadcastChannelUpdate {
1983                 msg,
1984         }
1985 }
1986 #[no_mangle]
1987 /// Utility method to constructs a new SendChannelUpdate-variant MessageSendEvent
1988 pub extern "C" fn MessageSendEvent_send_channel_update(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::ChannelUpdate) -> MessageSendEvent {
1989         MessageSendEvent::SendChannelUpdate {
1990                 node_id,
1991                 msg,
1992         }
1993 }
1994 #[no_mangle]
1995 /// Utility method to constructs a new HandleError-variant MessageSendEvent
1996 pub extern "C" fn MessageSendEvent_handle_error(node_id: crate::c_types::PublicKey, action: crate::lightning::ln::msgs::ErrorAction) -> MessageSendEvent {
1997         MessageSendEvent::HandleError {
1998                 node_id,
1999                 action,
2000         }
2001 }
2002 #[no_mangle]
2003 /// Utility method to constructs a new SendChannelRangeQuery-variant MessageSendEvent
2004 pub extern "C" fn MessageSendEvent_send_channel_range_query(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::QueryChannelRange) -> MessageSendEvent {
2005         MessageSendEvent::SendChannelRangeQuery {
2006                 node_id,
2007                 msg,
2008         }
2009 }
2010 #[no_mangle]
2011 /// Utility method to constructs a new SendShortIdsQuery-variant MessageSendEvent
2012 pub extern "C" fn MessageSendEvent_send_short_ids_query(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::QueryShortChannelIds) -> MessageSendEvent {
2013         MessageSendEvent::SendShortIdsQuery {
2014                 node_id,
2015                 msg,
2016         }
2017 }
2018 #[no_mangle]
2019 /// Utility method to constructs a new SendReplyChannelRange-variant MessageSendEvent
2020 pub extern "C" fn MessageSendEvent_send_reply_channel_range(node_id: crate::c_types::PublicKey, msg: crate::lightning::ln::msgs::ReplyChannelRange) -> MessageSendEvent {
2021         MessageSendEvent::SendReplyChannelRange {
2022                 node_id,
2023                 msg,
2024         }
2025 }
2026 /// A trait indicating an object may generate message send events
2027 #[repr(C)]
2028 pub struct MessageSendEventsProvider {
2029         /// An opaque pointer which is passed to your function implementations as an argument.
2030         /// This has no meaning in the LDK, and can be NULL or any other value.
2031         pub this_arg: *mut c_void,
2032         /// Gets the list of pending events which were generated by previous actions, clearing the list
2033         /// in the process.
2034         #[must_use]
2035         pub get_and_clear_pending_msg_events: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_MessageSendEventZ,
2036         /// Frees any resources associated with this object given its this_arg pointer.
2037         /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
2038         pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
2039 }
2040 unsafe impl Send for MessageSendEventsProvider {}
2041 unsafe impl Sync for MessageSendEventsProvider {}
2042 #[no_mangle]
2043 pub(crate) extern "C" fn MessageSendEventsProvider_clone_fields(orig: &MessageSendEventsProvider) -> MessageSendEventsProvider {
2044         MessageSendEventsProvider {
2045                 this_arg: orig.this_arg,
2046                 get_and_clear_pending_msg_events: Clone::clone(&orig.get_and_clear_pending_msg_events),
2047                 free: Clone::clone(&orig.free),
2048         }
2049 }
2050
2051 use lightning::util::events::MessageSendEventsProvider as rustMessageSendEventsProvider;
2052 impl rustMessageSendEventsProvider for MessageSendEventsProvider {
2053         fn get_and_clear_pending_msg_events(&self) -> Vec<lightning::util::events::MessageSendEvent> {
2054                 let mut ret = (self.get_and_clear_pending_msg_events)(self.this_arg);
2055                 let mut local_ret = Vec::new(); for mut item in ret.into_rust().drain(..) { local_ret.push( { item.into_native() }); };
2056                 local_ret
2057         }
2058 }
2059
2060 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
2061 // directly as a Deref trait in higher-level structs:
2062 impl core::ops::Deref for MessageSendEventsProvider {
2063         type Target = Self;
2064         fn deref(&self) -> &Self {
2065                 self
2066         }
2067 }
2068 /// Calls the free function if one is set
2069 #[no_mangle]
2070 pub extern "C" fn MessageSendEventsProvider_free(this_ptr: MessageSendEventsProvider) { }
2071 impl Drop for MessageSendEventsProvider {
2072         fn drop(&mut self) {
2073                 if let Some(f) = self.free {
2074                         f(self.this_arg);
2075                 }
2076         }
2077 }
2078 /// A trait indicating an object may generate events.
2079 ///
2080 /// Events are processed by passing an [`EventHandler`] to [`process_pending_events`].
2081 ///
2082 /// # Requirements
2083 ///
2084 /// See [`process_pending_events`] for requirements around event processing.
2085 ///
2086 /// When using this trait, [`process_pending_events`] will call [`handle_event`] for each pending
2087 /// event since the last invocation. The handler must either act upon the event immediately
2088 /// or preserve it for later handling.
2089 ///
2090 /// Note, handlers may call back into the provider and thus deadlocking must be avoided. Be sure to
2091 /// consult the provider's documentation on the implication of processing events and how a handler
2092 /// may safely use the provider (e.g., see [`ChannelManager::process_pending_events`] and
2093 /// [`ChainMonitor::process_pending_events`]).
2094 ///
2095 /// (C-not implementable) As there is likely no reason for a user to implement this trait on their
2096 /// own type(s).
2097 ///
2098 /// [`process_pending_events`]: Self::process_pending_events
2099 /// [`handle_event`]: EventHandler::handle_event
2100 /// [`ChannelManager::process_pending_events`]: crate::ln::channelmanager::ChannelManager#method.process_pending_events
2101 /// [`ChainMonitor::process_pending_events`]: crate::chain::chainmonitor::ChainMonitor#method.process_pending_events
2102 #[repr(C)]
2103 pub struct EventsProvider {
2104         /// An opaque pointer which is passed to your function implementations as an argument.
2105         /// This has no meaning in the LDK, and can be NULL or any other value.
2106         pub this_arg: *mut c_void,
2107         /// Processes any events generated since the last call using the given event handler.
2108         ///
2109         /// Subsequent calls must only process new events. However, handlers must be capable of handling
2110         /// duplicate events across process restarts. This may occur if the provider was recovered from
2111         /// an old state (i.e., it hadn't been successfully persisted after processing pending events).
2112         pub process_pending_events: extern "C" fn (this_arg: *const c_void, handler: crate::lightning::util::events::EventHandler),
2113         /// Frees any resources associated with this object given its this_arg pointer.
2114         /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
2115         pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
2116 }
2117 unsafe impl Send for EventsProvider {}
2118 unsafe impl Sync for EventsProvider {}
2119 #[no_mangle]
2120 pub(crate) extern "C" fn EventsProvider_clone_fields(orig: &EventsProvider) -> EventsProvider {
2121         EventsProvider {
2122                 this_arg: orig.this_arg,
2123                 process_pending_events: Clone::clone(&orig.process_pending_events),
2124                 free: Clone::clone(&orig.free),
2125         }
2126 }
2127
2128 use lightning::util::events::EventsProvider as rustEventsProvider;
2129 /// Calls the free function if one is set
2130 #[no_mangle]
2131 pub extern "C" fn EventsProvider_free(this_ptr: EventsProvider) { }
2132 impl Drop for EventsProvider {
2133         fn drop(&mut self) {
2134                 if let Some(f) = self.free {
2135                         f(self.this_arg);
2136                 }
2137         }
2138 }
2139 /// A trait implemented for objects handling events from [`EventsProvider`].
2140 #[repr(C)]
2141 pub struct EventHandler {
2142         /// An opaque pointer which is passed to your function implementations as an argument.
2143         /// This has no meaning in the LDK, and can be NULL or any other value.
2144         pub this_arg: *mut c_void,
2145         /// Handles the given [`Event`].
2146         ///
2147         /// See [`EventsProvider`] for details that must be considered when implementing this method.
2148         pub handle_event: extern "C" fn (this_arg: *const c_void, event: &crate::lightning::util::events::Event),
2149         /// Frees any resources associated with this object given its this_arg pointer.
2150         /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
2151         pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
2152 }
2153 unsafe impl Send for EventHandler {}
2154 unsafe impl Sync for EventHandler {}
2155 #[no_mangle]
2156 pub(crate) extern "C" fn EventHandler_clone_fields(orig: &EventHandler) -> EventHandler {
2157         EventHandler {
2158                 this_arg: orig.this_arg,
2159                 handle_event: Clone::clone(&orig.handle_event),
2160                 free: Clone::clone(&orig.free),
2161         }
2162 }
2163
2164 use lightning::util::events::EventHandler as rustEventHandler;
2165 impl rustEventHandler for EventHandler {
2166         fn handle_event(&self, mut event: &lightning::util::events::Event) {
2167                 (self.handle_event)(self.this_arg, &crate::lightning::util::events::Event::from_native(event))
2168         }
2169 }
2170
2171 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
2172 // directly as a Deref trait in higher-level structs:
2173 impl core::ops::Deref for EventHandler {
2174         type Target = Self;
2175         fn deref(&self) -> &Self {
2176                 self
2177         }
2178 }
2179 /// Calls the free function if one is set
2180 #[no_mangle]
2181 pub extern "C" fn EventHandler_free(this_ptr: EventHandler) { }
2182 impl Drop for EventHandler {
2183         fn drop(&mut self) {
2184                 if let Some(f) = self.free {
2185                         f(self.this_arg);
2186                 }
2187         }
2188 }