+++ /dev/null
-//! The logic to monitor for on-chain transactions and create the relevant claim responses lives
-//! here.
-//!
-//! ChannelMonitor objects are generated by ChannelManager in response to relevant
-//! messages/actions, and MUST be persisted to disk (and, preferably, remotely) before progress can
-//! be made in responding to certain messages, see ManyChannelMonitor for more.
-//!
-//! Note that ChannelMonitors are an important part of the lightning trust model and a copy of the
-//! latest ChannelMonitor must always be actively monitoring for chain updates (and no out-of-date
-//! ChannelMonitors should do so). Thus, if you're building rust-lightning into an HSM or other
-//! security-domain-separated system design, you should consider having multiple paths for
-//! ChannelMonitors to get out of the HSM and onto monitoring devices.
-
-use std::ffi::c_void;
-use bitcoin::hashes::Hash;
-use crate::c_types::*;
-
-
-use lightning::ln::channelmonitor::ChannelMonitorUpdate as nativeChannelMonitorUpdateImport;
-type nativeChannelMonitorUpdate = nativeChannelMonitorUpdateImport;
-
-/// An update generated by the underlying Channel itself which contains some new information the
-/// ChannelMonitor should be made aware of.
-#[must_use]
-#[repr(C)]
-pub struct ChannelMonitorUpdate {
- /// Nearly everyhwere, inner must be non-null, however in places where
- /// the Rust equivalent takes an Option, it may be set to null to indicate None.
- pub inner: *mut nativeChannelMonitorUpdate,
- pub is_owned: bool,
-}
-
-impl Drop for ChannelMonitorUpdate {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn ChannelMonitorUpdate_free(this_ptr: ChannelMonitorUpdate) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn ChannelMonitorUpdate_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelMonitorUpdate); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl ChannelMonitorUpdate {
- pub(crate) fn take_ptr(mut self) -> *mut nativeChannelMonitorUpdate {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-impl Clone for ChannelMonitorUpdate {
- fn clone(&self) -> Self {
- Self {
- inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
- is_owned: true,
- }
- }
-}
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-pub(crate) extern "C" fn ChannelMonitorUpdate_clone_void(this_ptr: *const c_void) -> *mut c_void {
- Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelMonitorUpdate)).clone() })) as *mut c_void
-}
-/// The sequence number of this update. Updates *must* be replayed in-order according to this
-/// sequence number (and updates may panic if they are not). The update_id values are strictly
-/// increasing and increase by one for each new update.
-///
-/// This sequence number is also used to track up to which points updates which returned
-/// ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
-/// ChannelMonitor when ChannelManager::channel_monitor_updated is called.
-#[no_mangle]
-pub extern "C" fn ChannelMonitorUpdate_get_update_id(this_ptr: &ChannelMonitorUpdate) -> u64 {
- let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.update_id;
- (*inner_val)
-}
-/// The sequence number of this update. Updates *must* be replayed in-order according to this
-/// sequence number (and updates may panic if they are not). The update_id values are strictly
-/// increasing and increase by one for each new update.
-///
-/// This sequence number is also used to track up to which points updates which returned
-/// ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
-/// ChannelMonitor when ChannelManager::channel_monitor_updated is called.
-#[no_mangle]
-pub extern "C" fn ChannelMonitorUpdate_set_update_id(this_ptr: &mut ChannelMonitorUpdate, mut val: u64) {
- unsafe { &mut *this_ptr.inner }.update_id = val;
-}
-#[no_mangle]
-pub extern "C" fn ChannelMonitorUpdate_write(obj: *const ChannelMonitorUpdate) -> crate::c_types::derived::CVec_u8Z {
- crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
-}
-#[no_mangle]
-pub extern "C" fn ChannelMonitorUpdate_read(ser: crate::c_types::u8slice) -> ChannelMonitorUpdate {
- if let Ok(res) = crate::c_types::deserialize_obj(ser) {
- ChannelMonitorUpdate { inner: Box::into_raw(Box::new(res)), is_owned: true }
- } else {
- ChannelMonitorUpdate { inner: std::ptr::null_mut(), is_owned: true }
- }
-}
-/// An error enum representing a failure to persist a channel monitor update.
-#[must_use]
-#[derive(Clone)]
-#[repr(C)]
-pub enum ChannelMonitorUpdateErr {
- /// Used to indicate a temporary failure (eg connection to a watchtower or remote backup of
- /// our state failed, but is expected to succeed at some point in the future).
- ///
- /// Such a failure will \"freeze\" a channel, preventing us from revoking old states or
- /// submitting new commitment transactions to the counterparty. Once the update(s) which failed
- /// have been successfully applied, ChannelManager::channel_monitor_updated can be used to
- /// restore the channel to an operational state.
- ///
- /// Note that a given ChannelManager will *never* re-generate a given ChannelMonitorUpdate. If
- /// you return a TemporaryFailure you must ensure that it is written to disk safely before
- /// writing out the latest ChannelManager state.
- ///
- /// Even when a channel has been \"frozen\" updates to the ChannelMonitor can continue to occur
- /// (eg if an inbound HTLC which we forwarded was claimed upstream resulting in us attempting
- /// to claim it on this channel) and those updates must be applied wherever they can be. At
- /// least one such updated ChannelMonitor must be persisted otherwise PermanentFailure should
- /// be returned to get things on-chain ASAP using only the in-memory copy. Obviously updates to
- /// the channel which would invalidate previous ChannelMonitors are not made when a channel has
- /// been \"frozen\".
- ///
- /// Note that even if updates made after TemporaryFailure succeed you must still call
- /// channel_monitor_updated to ensure you have the latest monitor and re-enable normal channel
- /// operation.
- ///
- /// Note that the update being processed here will not be replayed for you when you call
- /// ChannelManager::channel_monitor_updated, so you must store the update itself along
- /// with the persisted ChannelMonitor on your own local disk prior to returning a
- /// TemporaryFailure. You may, of course, employ a journaling approach, storing only the
- /// ChannelMonitorUpdate on disk without updating the monitor itself, replaying the journal at
- /// reload-time.
- ///
- /// For deployments where a copy of ChannelMonitors and other local state are backed up in a
- /// remote location (with local copies persisted immediately), it is anticipated that all
- /// updates will return TemporaryFailure until the remote copies could be updated.
- TemporaryFailure,
- /// Used to indicate no further channel monitor updates will be allowed (eg we've moved on to a
- /// different watchtower and cannot update with all watchtowers that were previously informed
- /// of this channel).
- ///
- /// At reception of this error, ChannelManager will force-close the channel and return at
- /// least a final ChannelMonitorUpdate::ChannelForceClosed which must be delivered to at
- /// least one ChannelMonitor copy. Revocation secret MUST NOT be released and offchain channel
- /// update must be rejected.
- ///
- /// This failure may also signal a failure to update the local persisted copy of one of
- /// the channel monitor instance.
- ///
- /// Note that even when you fail a holder commitment transaction update, you must store the
- /// update to ensure you can claim from it in case of a duplicate copy of this ChannelMonitor
- /// broadcasts it (e.g distributed channel-monitor deployment)
- PermanentFailure,
-}
-use lightning::ln::channelmonitor::ChannelMonitorUpdateErr as nativeChannelMonitorUpdateErr;
-impl ChannelMonitorUpdateErr {
- #[allow(unused)]
- pub(crate) fn to_native(&self) -> nativeChannelMonitorUpdateErr {
- match self {
- ChannelMonitorUpdateErr::TemporaryFailure => nativeChannelMonitorUpdateErr::TemporaryFailure,
- ChannelMonitorUpdateErr::PermanentFailure => nativeChannelMonitorUpdateErr::PermanentFailure,
- }
- }
- #[allow(unused)]
- pub(crate) fn into_native(self) -> nativeChannelMonitorUpdateErr {
- match self {
- ChannelMonitorUpdateErr::TemporaryFailure => nativeChannelMonitorUpdateErr::TemporaryFailure,
- ChannelMonitorUpdateErr::PermanentFailure => nativeChannelMonitorUpdateErr::PermanentFailure,
- }
- }
- #[allow(unused)]
- pub(crate) fn from_native(native: &nativeChannelMonitorUpdateErr) -> Self {
- match native {
- nativeChannelMonitorUpdateErr::TemporaryFailure => ChannelMonitorUpdateErr::TemporaryFailure,
- nativeChannelMonitorUpdateErr::PermanentFailure => ChannelMonitorUpdateErr::PermanentFailure,
- }
- }
- #[allow(unused)]
- pub(crate) fn native_into(native: nativeChannelMonitorUpdateErr) -> Self {
- match native {
- nativeChannelMonitorUpdateErr::TemporaryFailure => ChannelMonitorUpdateErr::TemporaryFailure,
- nativeChannelMonitorUpdateErr::PermanentFailure => ChannelMonitorUpdateErr::PermanentFailure,
- }
- }
-}
-
-use lightning::ln::channelmonitor::MonitorUpdateError as nativeMonitorUpdateErrorImport;
-type nativeMonitorUpdateError = nativeMonitorUpdateErrorImport;
-
-/// General Err type for ChannelMonitor actions. Generally, this implies that the data provided is
-/// inconsistent with the ChannelMonitor being called. eg for ChannelMonitor::update_monitor this
-/// means you tried to update a monitor for a different channel or the ChannelMonitorUpdate was
-/// corrupted.
-/// Contains a human-readable error message.
-#[must_use]
-#[repr(C)]
-pub struct MonitorUpdateError {
- /// Nearly everyhwere, inner must be non-null, however in places where
- /// the Rust equivalent takes an Option, it may be set to null to indicate None.
- pub inner: *mut nativeMonitorUpdateError,
- pub is_owned: bool,
-}
-
-impl Drop for MonitorUpdateError {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn MonitorUpdateError_free(this_ptr: MonitorUpdateError) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn MonitorUpdateError_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativeMonitorUpdateError); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl MonitorUpdateError {
- pub(crate) fn take_ptr(mut self) -> *mut nativeMonitorUpdateError {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-
-use lightning::ln::channelmonitor::MonitorEvent as nativeMonitorEventImport;
-type nativeMonitorEvent = nativeMonitorEventImport;
-
-/// An event to be processed by the ChannelManager.
-#[must_use]
-#[repr(C)]
-pub struct MonitorEvent {
- /// Nearly everyhwere, inner must be non-null, however in places where
- /// the Rust equivalent takes an Option, it may be set to null to indicate None.
- pub inner: *mut nativeMonitorEvent,
- pub is_owned: bool,
-}
-
-impl Drop for MonitorEvent {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn MonitorEvent_free(this_ptr: MonitorEvent) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn MonitorEvent_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativeMonitorEvent); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl MonitorEvent {
- pub(crate) fn take_ptr(mut self) -> *mut nativeMonitorEvent {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-
-use lightning::ln::channelmonitor::HTLCUpdate as nativeHTLCUpdateImport;
-type nativeHTLCUpdate = nativeHTLCUpdateImport;
-
-/// Simple structure send back by ManyChannelMonitor in case of HTLC detected onchain from a
-/// forward channel and from which info are needed to update HTLC in a backward channel.
-#[must_use]
-#[repr(C)]
-pub struct HTLCUpdate {
- /// Nearly everyhwere, inner must be non-null, however in places where
- /// the Rust equivalent takes an Option, it may be set to null to indicate None.
- pub inner: *mut nativeHTLCUpdate,
- pub is_owned: bool,
-}
-
-impl Drop for HTLCUpdate {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn HTLCUpdate_free(this_ptr: HTLCUpdate) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn HTLCUpdate_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativeHTLCUpdate); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl HTLCUpdate {
- pub(crate) fn take_ptr(mut self) -> *mut nativeHTLCUpdate {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-impl Clone for HTLCUpdate {
- fn clone(&self) -> Self {
- Self {
- inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
- is_owned: true,
- }
- }
-}
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-pub(crate) extern "C" fn HTLCUpdate_clone_void(this_ptr: *const c_void) -> *mut c_void {
- Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHTLCUpdate)).clone() })) as *mut c_void
-}
-#[no_mangle]
-pub extern "C" fn HTLCUpdate_write(obj: *const HTLCUpdate) -> crate::c_types::derived::CVec_u8Z {
- crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
-}
-#[no_mangle]
-pub extern "C" fn HTLCUpdate_read(ser: crate::c_types::u8slice) -> HTLCUpdate {
- if let Ok(res) = crate::c_types::deserialize_obj(ser) {
- HTLCUpdate { inner: Box::into_raw(Box::new(res)), is_owned: true }
- } else {
- HTLCUpdate { inner: std::ptr::null_mut(), is_owned: true }
- }
-}
-
-use lightning::ln::channelmonitor::ChannelMonitor as nativeChannelMonitorImport;
-type nativeChannelMonitor = nativeChannelMonitorImport<crate::chain::keysinterface::ChannelKeys>;
-
-/// A ChannelMonitor handles chain events (blocks connected and disconnected) and generates
-/// on-chain transactions to ensure no loss of funds occurs.
-///
-/// You MUST ensure that no ChannelMonitors for a given channel anywhere contain out-of-date
-/// information and are actively monitoring the chain.
-///
-/// Pending Events or updated HTLCs which have not yet been read out by
-/// get_and_clear_pending_monitor_events or get_and_clear_pending_events are serialized to disk and
-/// reloaded at deserialize-time. Thus, you must ensure that, when handling events, all events
-/// gotten are fully handled before re-serializing the new state.
-#[must_use]
-#[repr(C)]
-pub struct ChannelMonitor {
- /// Nearly everyhwere, inner must be non-null, however in places where
- /// the Rust equivalent takes an Option, it may be set to null to indicate None.
- pub inner: *mut nativeChannelMonitor,
- pub is_owned: bool,
-}
-
-impl Drop for ChannelMonitor {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_free(this_ptr: ChannelMonitor) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn ChannelMonitor_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelMonitor); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl ChannelMonitor {
- pub(crate) fn take_ptr(mut self) -> *mut nativeChannelMonitor {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-/// Simple trait indicating ability to track a set of ChannelMonitors and multiplex events between
-/// them. Generally should be implemented by keeping a local SimpleManyChannelMonitor and passing
-/// events to it, while also taking any add/update_monitor events and passing them to some remote
-/// server(s).
-///
-/// In general, you must always have at least one local copy in memory, which must never fail to
-/// update (as it is responsible for broadcasting the latest state in case the channel is closed),
-/// and then persist it to various on-disk locations. If, for some reason, the in-memory copy fails
-/// to update (eg out-of-memory or some other condition), you must immediately shut down without
-/// taking any further action such as writing the current state to disk. This should likely be
-/// accomplished via panic!() or abort().
-///
-/// Note that any updates to a channel's monitor *must* be applied to each instance of the
-/// channel's monitor everywhere (including remote watchtowers) *before* this function returns. If
-/// an update occurs and a remote watchtower is left with old state, it may broadcast transactions
-/// which we have revoked, allowing our counterparty to claim all funds in the channel!
-///
-/// User needs to notify implementors of ManyChannelMonitor when a new block is connected or
-/// disconnected using their `block_connected` and `block_disconnected` methods. However, rather
-/// than calling these methods directly, the user should register implementors as listeners to the
-/// BlockNotifier and call the BlockNotifier's `block_(dis)connected` methods, which will notify
-/// all registered listeners in one go.
-#[repr(C)]
-pub struct ManyChannelMonitor {
- pub this_arg: *mut c_void,
- /// Adds a monitor for the given `funding_txo`.
- ///
- /// Implementer must also ensure that the funding_txo txid *and* outpoint are registered with
- /// any relevant ChainWatchInterfaces such that the provided monitor receives block_connected
- /// callbacks with the funding transaction, or any spends of it.
- ///
- /// Further, the implementer must also ensure that each output returned in
- /// monitor.get_outputs_to_watch() is registered to ensure that the provided monitor learns about
- /// any spends of any of the outputs.
- ///
- /// Any spends of outputs which should have been registered which aren't passed to
- /// ChannelMonitors via block_connected may result in FUNDS LOSS.
- #[must_use]
- pub add_monitor: extern "C" fn (this_arg: *const c_void, funding_txo: crate::chain::transaction::OutPoint, monitor: crate::ln::channelmonitor::ChannelMonitor) -> crate::c_types::derived::CResult_NoneChannelMonitorUpdateErrZ,
- /// Updates a monitor for the given `funding_txo`.
- ///
- /// Implementer must also ensure that the funding_txo txid *and* outpoint are registered with
- /// any relevant ChainWatchInterfaces such that the provided monitor receives block_connected
- /// callbacks with the funding transaction, or any spends of it.
- ///
- /// Further, the implementer must also ensure that each output returned in
- /// monitor.get_watch_outputs() is registered to ensure that the provided monitor learns about
- /// any spends of any of the outputs.
- ///
- /// Any spends of outputs which should have been registered which aren't passed to
- /// ChannelMonitors via block_connected may result in FUNDS LOSS.
- ///
- /// In case of distributed watchtowers deployment, even if an Err is return, the new version
- /// must be written to disk, as state may have been stored but rejected due to a block forcing
- /// a commitment broadcast. This storage is used to claim outputs of rejected state confirmed
- /// onchain by another watchtower, lagging behind on block processing.
- #[must_use]
- pub update_monitor: extern "C" fn (this_arg: *const c_void, funding_txo: crate::chain::transaction::OutPoint, monitor: crate::ln::channelmonitor::ChannelMonitorUpdate) -> crate::c_types::derived::CResult_NoneChannelMonitorUpdateErrZ,
- /// Used by ChannelManager to get list of HTLC resolved onchain and which needed to be updated
- /// with success or failure.
- ///
- /// You should probably just call through to
- /// ChannelMonitor::get_and_clear_pending_monitor_events() for each ChannelMonitor and return
- /// the full list.
- #[must_use]
- pub get_and_clear_pending_monitor_events: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_MonitorEventZ,
- pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
-}
-unsafe impl Send for ManyChannelMonitor {}
-unsafe impl Sync for ManyChannelMonitor {}
-
-use lightning::ln::channelmonitor::ManyChannelMonitor as rustManyChannelMonitor;
-impl rustManyChannelMonitor for ManyChannelMonitor {
- type Keys = crate::chain::keysinterface::ChannelKeys;
- fn add_monitor(&self, funding_txo: lightning::chain::transaction::OutPoint, monitor: lightning::ln::channelmonitor::ChannelMonitor<Self::Keys>) -> Result<(), lightning::ln::channelmonitor::ChannelMonitorUpdateErr> {
- let mut ret = (self.add_monitor)(self.this_arg, crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(funding_txo)), is_owned: true }, crate::ln::channelmonitor::ChannelMonitor { inner: Box::into_raw(Box::new(monitor)), is_owned: true });
- let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(ret.contents.result.take_ptr()) })*/ }), false => Err( { (*unsafe { Box::from_raw(ret.contents.err.take_ptr()) }).into_native() })};
- local_ret
- }
- fn update_monitor(&self, funding_txo: lightning::chain::transaction::OutPoint, monitor: lightning::ln::channelmonitor::ChannelMonitorUpdate) -> Result<(), lightning::ln::channelmonitor::ChannelMonitorUpdateErr> {
- let mut ret = (self.update_monitor)(self.this_arg, crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(funding_txo)), is_owned: true }, crate::ln::channelmonitor::ChannelMonitorUpdate { inner: Box::into_raw(Box::new(monitor)), is_owned: true });
- let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(ret.contents.result.take_ptr()) })*/ }), false => Err( { (*unsafe { Box::from_raw(ret.contents.err.take_ptr()) }).into_native() })};
- local_ret
- }
- fn get_and_clear_pending_monitor_events(&self) -> Vec<lightning::ln::channelmonitor::MonitorEvent> {
- let mut ret = (self.get_and_clear_pending_monitor_events)(self.this_arg);
- let mut local_ret = Vec::new(); for mut item in ret.into_rust().drain(..) { local_ret.push( { *unsafe { Box::from_raw(item.take_ptr()) } }); };
- local_ret
- }
-}
-
-// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
-// directly as a Deref trait in higher-level structs:
-impl std::ops::Deref for ManyChannelMonitor {
- type Target = Self;
- fn deref(&self) -> &Self {
- self
- }
-}
-/// Calls the free function if one is set
-#[no_mangle]
-pub extern "C" fn ManyChannelMonitor_free(this_ptr: ManyChannelMonitor) { }
-impl Drop for ManyChannelMonitor {
- fn drop(&mut self) {
- if let Some(f) = self.free {
- f(self.this_arg);
- }
- }
-}
-/// Updates a ChannelMonitor on the basis of some new information provided by the Channel
-/// itself.
-///
-/// panics if the given update is not the next update by update_id.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_update_monitor(this_arg: &mut ChannelMonitor, mut updates: crate::ln::channelmonitor::ChannelMonitorUpdate, broadcaster: &crate::chain::chaininterface::BroadcasterInterface, logger: &crate::util::logger::Logger) -> crate::c_types::derived::CResult_NoneMonitorUpdateErrorZ {
- let mut ret = unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.update_monitor(*unsafe { Box::from_raw(updates.take_ptr()) }, broadcaster, logger);
- let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { 0u8 /*o*/ }), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::channelmonitor::MonitorUpdateError { inner: Box::into_raw(Box::new(e)), is_owned: true } }) };
- local_ret
-}
-
-/// Gets the update_id from the latest ChannelMonitorUpdate which was applied to this
-/// ChannelMonitor.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_get_latest_update_id(this_arg: &ChannelMonitor) -> u64 {
- let mut ret = unsafe { &*this_arg.inner }.get_latest_update_id();
- ret
-}
-
-/// Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_get_funding_txo(this_arg: &ChannelMonitor) -> crate::c_types::derived::C2Tuple_OutPointScriptZ {
- let mut ret = unsafe { &*this_arg.inner }.get_funding_txo();
- let (ref orig_ret_0, ref orig_ret_1) = ret; let mut local_ret = (crate::chain::transaction::OutPoint { inner: unsafe { ( (&(*orig_ret_0) as *const _) as *mut _) }, is_owned: false }, orig_ret_1.clone().into_bytes().into()).into();
- local_ret
-}
-
-/// Get the list of HTLCs who's status has been updated on chain. This should be called by
-/// ChannelManager via ManyChannelMonitor::get_and_clear_pending_monitor_events().
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_get_and_clear_pending_monitor_events(this_arg: &mut ChannelMonitor) -> crate::c_types::derived::CVec_MonitorEventZ {
- let mut ret = unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.get_and_clear_pending_monitor_events();
- let mut local_ret = Vec::new(); for item in ret.drain(..) { local_ret.push( { crate::ln::channelmonitor::MonitorEvent { inner: Box::into_raw(Box::new(item)), is_owned: true } }); };
- local_ret.into()
-}
-
-/// Gets the list of pending events which were generated by previous actions, clearing the list
-/// in the process.
-///
-/// This is called by ManyChannelMonitor::get_and_clear_pending_events() and is equivalent to
-/// EventsProvider::get_and_clear_pending_events() except that it requires &mut self as we do
-/// no internal locking in ChannelMonitors.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_get_and_clear_pending_events(this_arg: &mut ChannelMonitor) -> crate::c_types::derived::CVec_EventZ {
- let mut ret = unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.get_and_clear_pending_events();
- let mut local_ret = Vec::new(); for item in ret.drain(..) { local_ret.push( { crate::util::events::Event::native_into(item) }); };
- local_ret.into()
-}
-
-/// Used by ChannelManager deserialization to broadcast the latest holder state if its copy of
-/// the Channel was out-of-date. You may use it to get a broadcastable holder toxic tx in case of
-/// fallen-behind, i.e when receiving a channel_reestablish with a proof that our counterparty side knows
-/// a higher revocation secret than the holder commitment number we are aware of. Broadcasting these
-/// transactions are UNSAFE, as they allow counterparty side to punish you. Nevertheless you may want to
-/// broadcast them if counterparty don't close channel with his higher commitment transaction after a
-/// substantial amount of time (a month or even a year) to get back funds. Best may be to contact
-/// out-of-band the other node operator to coordinate with him if option is available to you.
-/// In any-case, choice is up to the user.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn ChannelMonitor_get_latest_holder_commitment_txn(this_arg: &mut ChannelMonitor, logger: &crate::util::logger::Logger) -> crate::c_types::derived::CVec_TransactionZ {
- let mut ret = unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.get_latest_holder_commitment_txn(logger);
- let mut local_ret = Vec::new(); for item in ret.drain(..) { local_ret.push( { let mut local_ret_0 = ::bitcoin::consensus::encode::serialize(&item); local_ret_0.into() }); };
- local_ret.into()
-}
-
projects / rust-lightning / blobdiff