#[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 {
+ pub(crate) fn take_inner(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.
+/// increasing and increase by one for each new update, with one exception specified below.
///
/// 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.
+///
+/// The only instance where update_id values are not strictly increasing is the case where we
+/// allow post-force-close updates with a special update ID of [`CLOSED_CHANNEL_UPDATE_ID`]. See
+/// its docs for more details.
+///
+/// [`CLOSED_CHANNEL_UPDATE_ID`]: constant.CLOSED_CHANNEL_UPDATE_ID.html
#[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;
}
/// 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.
+/// increasing and increase by one for each new update, with one exception specified below.
///
/// 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.
+///
+/// The only instance where update_id values are not strictly increasing is the case where we
+/// allow post-force-close updates with a special update ID of [`CLOSED_CHANNEL_UPDATE_ID`]. See
+/// its docs for more details.
+///
+/// [`CLOSED_CHANNEL_UPDATE_ID`]: constant.CLOSED_CHANNEL_UPDATE_ID.html
#[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;
}
+impl Clone for ChannelMonitorUpdate {
+ fn clone(&self) -> Self {
+ Self {
+ inner: if self.inner.is_null() { std::ptr::null_mut() } else {
+ 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
+}
#[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) })
+pub extern "C" fn ChannelMonitorUpdate_clone(orig: &ChannelMonitorUpdate) -> ChannelMonitorUpdate {
+ orig.clone()
}
+
#[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 }
- }
+pub static CLOSED_CHANNEL_UPDATE_ID: u64 = lightning::chain::channelmonitor::CLOSED_CHANNEL_UPDATE_ID;
+#[no_mangle]
+pub extern "C" fn ChannelMonitorUpdate_write(obj: &ChannelMonitorUpdate) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
+}
+#[no_mangle]
+pub(crate) extern "C" fn ChannelMonitorUpdate_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelMonitorUpdate) })
+}
+#[no_mangle]
+pub extern "C" fn ChannelMonitorUpdate_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChannelMonitorUpdateDecodeErrorZ {
+ let res = crate::c_types::deserialize_obj(ser);
+ let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::chain::channelmonitor::ChannelMonitorUpdate { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
+ local_res
}
/// An error enum representing a failure to persist a channel monitor update.
#[must_use]
}
}
}
+#[no_mangle]
+pub extern "C" fn ChannelMonitorUpdateErr_clone(orig: &ChannelMonitorUpdateErr) -> ChannelMonitorUpdateErr {
+ orig.clone()
+}
use lightning::chain::channelmonitor::MonitorUpdateError as nativeMonitorUpdateErrorImport;
type nativeMonitorUpdateError = nativeMonitorUpdateErrorImport;
/// 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.
+/// Contains a developer-readable error message.
#[must_use]
#[repr(C)]
pub struct MonitorUpdateError {
#[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 {
+ pub(crate) fn take_inner(mut self) -> *mut nativeMonitorUpdateError {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
ret
}
}
-
-use lightning::chain::channelmonitor::MonitorEvent as nativeMonitorEventImport;
-type nativeMonitorEvent = nativeMonitorEventImport;
-
+impl Clone for MonitorUpdateError {
+ fn clone(&self) -> Self {
+ Self {
+ inner: if self.inner.is_null() { std::ptr::null_mut() } else {
+ 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 MonitorUpdateError_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeMonitorUpdateError)).clone() })) as *mut c_void
+}
+#[no_mangle]
+pub extern "C" fn MonitorUpdateError_clone(orig: &MonitorUpdateError) -> MonitorUpdateError {
+ orig.clone()
+}
/// An event to be processed by the ChannelManager.
#[must_use]
+#[derive(Clone)]
#[repr(C)]
-pub struct MonitorEvent {
- /// Nearly everywhere, 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,
+pub enum MonitorEvent {
+ /// A monitor event containing an HTLCUpdate.
+ HTLCEvent(crate::chain::channelmonitor::HTLCUpdate),
+ /// A monitor event that the Channel's commitment transaction was broadcasted.
+ CommitmentTxBroadcasted(crate::chain::transaction::OutPoint),
}
-
-impl Drop for MonitorEvent {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
+use lightning::chain::channelmonitor::MonitorEvent as nativeMonitorEvent;
+impl MonitorEvent {
+ #[allow(unused)]
+ pub(crate) fn to_native(&self) -> nativeMonitorEvent {
+ match self {
+ MonitorEvent::HTLCEvent (ref a, ) => {
+ let mut a_nonref = (*a).clone();
+ nativeMonitorEvent::HTLCEvent (
+ *unsafe { Box::from_raw(a_nonref.take_inner()) },
+ )
+ },
+ MonitorEvent::CommitmentTxBroadcasted (ref a, ) => {
+ let mut a_nonref = (*a).clone();
+ nativeMonitorEvent::CommitmentTxBroadcasted (
+ *unsafe { Box::from_raw(a_nonref.take_inner()) },
+ )
+ },
+ }
+ }
+ #[allow(unused)]
+ pub(crate) fn into_native(self) -> nativeMonitorEvent {
+ match self {
+ MonitorEvent::HTLCEvent (mut a, ) => {
+ nativeMonitorEvent::HTLCEvent (
+ *unsafe { Box::from_raw(a.take_inner()) },
+ )
+ },
+ MonitorEvent::CommitmentTxBroadcasted (mut a, ) => {
+ nativeMonitorEvent::CommitmentTxBroadcasted (
+ *unsafe { Box::from_raw(a.take_inner()) },
+ )
+ },
+ }
+ }
+ #[allow(unused)]
+ pub(crate) fn from_native(native: &nativeMonitorEvent) -> Self {
+ match native {
+ nativeMonitorEvent::HTLCEvent (ref a, ) => {
+ let mut a_nonref = (*a).clone();
+ MonitorEvent::HTLCEvent (
+ crate::chain::channelmonitor::HTLCUpdate { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true },
+ )
+ },
+ nativeMonitorEvent::CommitmentTxBroadcasted (ref a, ) => {
+ let mut a_nonref = (*a).clone();
+ MonitorEvent::CommitmentTxBroadcasted (
+ crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true },
+ )
+ },
+ }
+ }
+ #[allow(unused)]
+ pub(crate) fn native_into(native: nativeMonitorEvent) -> Self {
+ match native {
+ nativeMonitorEvent::HTLCEvent (mut a, ) => {
+ MonitorEvent::HTLCEvent (
+ crate::chain::channelmonitor::HTLCUpdate { inner: Box::into_raw(Box::new(a)), is_owned: true },
+ )
+ },
+ nativeMonitorEvent::CommitmentTxBroadcasted (mut a, ) => {
+ MonitorEvent::CommitmentTxBroadcasted (
+ crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(a)), is_owned: true },
+ )
+ },
}
}
}
#[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
- }
+#[no_mangle]
+pub extern "C" fn MonitorEvent_clone(orig: &MonitorEvent) -> MonitorEvent {
+ orig.clone()
}
use lightning::chain::channelmonitor::HTLCUpdate as nativeHTLCUpdateImport;
#[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 {
+ pub(crate) fn take_inner(mut self) -> *mut nativeHTLCUpdate {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
impl Clone for HTLCUpdate {
fn clone(&self) -> Self {
Self {
- inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
+ inner: if self.inner.is_null() { std::ptr::null_mut() } else {
+ Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
is_owned: true,
}
}
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) })
+pub extern "C" fn HTLCUpdate_clone(orig: &HTLCUpdate) -> HTLCUpdate {
+ orig.clone()
}
#[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 }
- }
+pub extern "C" fn HTLCUpdate_write(obj: &HTLCUpdate) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
+}
+#[no_mangle]
+pub(crate) extern "C" fn HTLCUpdate_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHTLCUpdate) })
+}
+#[no_mangle]
+pub extern "C" fn HTLCUpdate_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_HTLCUpdateDecodeErrorZ {
+ let res = crate::c_types::deserialize_obj(ser);
+ let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::chain::channelmonitor::HTLCUpdate { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
+ local_res
}
use lightning::chain::channelmonitor::ChannelMonitor as nativeChannelMonitorImport;
-type nativeChannelMonitor = nativeChannelMonitorImport<crate::chain::keysinterface::ChannelKeys>;
+type nativeChannelMonitor = nativeChannelMonitorImport<crate::chain::keysinterface::Sign>;
/// A ChannelMonitor handles chain events (blocks connected and disconnected) and generates
/// on-chain transactions to ensure no loss of funds occurs.
/// 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.
+///
+/// Note that the deserializer is only implemented for (Sha256dHash, ChannelMonitor), which
+/// tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
+/// the \"reorg path\" (ie disconnecting blocks until you find a common ancestor from both the
+/// returned block hash and the the current chain and then reconnecting blocks to get to the
+/// best chain) upon deserializing the object!
#[must_use]
#[repr(C)]
pub struct ChannelMonitor {
#[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 {
+ pub(crate) fn take_inner(mut self) -> *mut nativeChannelMonitor {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
ret
}
}
+#[no_mangle]
+pub extern "C" fn ChannelMonitor_write(obj: &ChannelMonitor) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
+}
+#[no_mangle]
+pub(crate) extern "C" fn ChannelMonitor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelMonitor) })
+}
/// 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::chain::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::chain::channelmonitor::MonitorUpdateError { inner: Box::into_raw(Box::new(e)), is_owned: true } }) };
+pub extern "C" fn ChannelMonitor_update_monitor(this_arg: &mut ChannelMonitor, updates: &crate::chain::channelmonitor::ChannelMonitorUpdate, broadcaster: &crate::chain::chaininterface::BroadcasterInterface, fee_estimator: &crate::chain::chaininterface::FeeEstimator, 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 { &*updates.inner }, broadcaster, fee_estimator, logger);
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { 0u8 /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::chain::channelmonitor::MonitorUpdateError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
local_ret
}
#[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::chain::channelmonitor::MonitorEvent { inner: Box::into_raw(Box::new(item)), is_owned: true } }); };
+ let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::chain::channelmonitor::MonitorEvent::native_into(item) }); };
local_ret.into()
}
#[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) }); };
+ let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::util::events::Event::native_into(item) }); };
local_ret.into()
}
#[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); crate::c_types::Transaction::from_vec(local_ret_0) }); };
+ let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { let mut local_ret_0 = ::bitcoin::consensus::encode::serialize(&item); crate::c_types::Transaction::from_vec(local_ret_0) }); };
local_ret.into()
}
/// [`get_outputs_to_watch`]: #method.get_outputs_to_watch
#[must_use]
#[no_mangle]
-pub extern "C" fn ChannelMonitor_block_connected(this_arg: &mut ChannelMonitor, header: *const [u8; 80], mut txdata: crate::c_types::derived::CVec_C2Tuple_usizeTransactionZZ, mut height: u32, mut broadcaster: crate::chain::chaininterface::BroadcasterInterface, mut fee_estimator: crate::chain::chaininterface::FeeEstimator, mut logger: crate::util::logger::Logger) -> crate::c_types::derived::CVec_C2Tuple_TxidCVec_TxOutZZZ {
+pub extern "C" fn ChannelMonitor_block_connected(this_arg: &mut ChannelMonitor, header: *const [u8; 80], mut txdata: crate::c_types::derived::CVec_C2Tuple_usizeTransactionZZ, mut height: u32, mut broadcaster: crate::chain::chaininterface::BroadcasterInterface, mut fee_estimator: crate::chain::chaininterface::FeeEstimator, mut logger: crate::util::logger::Logger) -> crate::c_types::derived::CVec_C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZZ {
let mut local_txdata = Vec::new(); for mut item in txdata.into_rust().drain(..) { local_txdata.push( { let (mut orig_txdata_0_0, mut orig_txdata_0_1) = item.to_rust(); let mut local_txdata_0 = (orig_txdata_0_0, orig_txdata_0_1.into_bitcoin()); local_txdata_0 }); };
let mut ret = unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.block_connected(&::bitcoin::consensus::encode::deserialize(unsafe { &*header }).unwrap(), &local_txdata.iter().map(|(a, b)| (*a, b)).collect::<Vec<_>>()[..], height, broadcaster, fee_estimator, logger);
- let mut local_ret = Vec::new(); for item in ret.drain(..) { local_ret.push( { let (mut orig_ret_0_0, mut orig_ret_0_1) = item; let mut local_orig_ret_0_1 = Vec::new(); for item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::TxOut::from_rust(item) }); }; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.into_inner() }, local_orig_ret_0_1.into()).into(); local_ret_0 }); };
+ let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { let (mut orig_ret_0_0, mut orig_ret_0_1) = item; let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { let (mut orig_orig_ret_0_1_0_0, mut orig_orig_ret_0_1_0_1) = item; let mut local_orig_ret_0_1_0 = (orig_orig_ret_0_1_0_0, crate::c_types::TxOut::from_rust(orig_orig_ret_0_1_0_1)).into(); local_orig_ret_0_1_0 }); }; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.into_inner() }, local_orig_ret_0_1.into()).into(); local_ret_0 }); };
local_ret.into()
}
unsafe { &mut (*(this_arg.inner as *mut nativeChannelMonitor)) }.block_disconnected(&::bitcoin::consensus::encode::deserialize(unsafe { &*header }).unwrap(), height, broadcaster, fee_estimator, logger)
}
+/// `Persist` defines behavior for persisting channel monitors: this could mean
+/// writing once to disk, and/or uploading to one or more backup services.
+///
+/// Note that for every new monitor, you **must** persist the new `ChannelMonitor`
+/// to disk/backups. And, on every update, you **must** persist either the
+/// `ChannelMonitorUpdate` or the updated monitor itself. Otherwise, there is risk
+/// of situations such as revoking a transaction, then crashing before this
+/// revocation can be persisted, then unintentionally broadcasting a revoked
+/// transaction and losing money. This is a risk because previous channel states
+/// are toxic, so it's important that whatever channel state is persisted is
+/// kept up-to-date.
+#[repr(C)]
+pub struct Persist {
+ pub this_arg: *mut c_void,
+ /// Persist a new channel's data. The data can be stored any way you want, but
+ /// the identifier provided by Rust-Lightning is the channel's outpoint (and
+ /// it is up to you to maintain a correct mapping between the outpoint and the
+ /// stored channel data). Note that you **must** persist every new monitor to
+ /// disk. See the `Persist` trait documentation for more details.
+ ///
+ /// See [`ChannelMonitor::serialize_for_disk`] for writing out a `ChannelMonitor`,
+ /// and [`ChannelMonitorUpdateErr`] for requirements when returning errors.
+ ///
+ /// [`ChannelMonitor::serialize_for_disk`]: struct.ChannelMonitor.html#method.serialize_for_disk
+ /// [`ChannelMonitorUpdateErr`]: enum.ChannelMonitorUpdateErr.html
+ #[must_use]
+ pub persist_new_channel: extern "C" fn (this_arg: *const c_void, id: crate::chain::transaction::OutPoint, data: &crate::chain::channelmonitor::ChannelMonitor) -> crate::c_types::derived::CResult_NoneChannelMonitorUpdateErrZ,
+ /// Update one channel's data. The provided `ChannelMonitor` has already
+ /// applied the given update.
+ ///
+ /// Note that on every update, you **must** persist either the
+ /// `ChannelMonitorUpdate` or the updated monitor itself to disk/backups. See
+ /// the `Persist` trait documentation for more details.
+ ///
+ /// If an implementer chooses to persist the updates only, they need to make
+ /// sure that all the updates are applied to the `ChannelMonitors` *before*
+ /// the set of channel monitors is given to the `ChannelManager`
+ /// deserialization routine. See [`ChannelMonitor::update_monitor`] for
+ /// applying a monitor update to a monitor. If full `ChannelMonitors` are
+ /// persisted, then there is no need to persist individual updates.
+ ///
+ /// Note that there could be a performance tradeoff between persisting complete
+ /// channel monitors on every update vs. persisting only updates and applying
+ /// them in batches. The size of each monitor grows `O(number of state updates)`
+ /// whereas updates are small and `O(1)`.
+ ///
+ /// See [`ChannelMonitor::serialize_for_disk`] for writing out a `ChannelMonitor`,
+ /// [`ChannelMonitorUpdate::write`] for writing out an update, and
+ /// [`ChannelMonitorUpdateErr`] for requirements when returning errors.
+ ///
+ /// [`ChannelMonitor::update_monitor`]: struct.ChannelMonitor.html#impl-1
+ /// [`ChannelMonitor::serialize_for_disk`]: struct.ChannelMonitor.html#method.serialize_for_disk
+ /// [`ChannelMonitorUpdate::write`]: struct.ChannelMonitorUpdate.html#method.write
+ /// [`ChannelMonitorUpdateErr`]: enum.ChannelMonitorUpdateErr.html
+ #[must_use]
+ pub update_persisted_channel: extern "C" fn (this_arg: *const c_void, id: crate::chain::transaction::OutPoint, update: &crate::chain::channelmonitor::ChannelMonitorUpdate, data: &crate::chain::channelmonitor::ChannelMonitor) -> crate::c_types::derived::CResult_NoneChannelMonitorUpdateErrZ,
+ pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
+}
+unsafe impl Send for Persist {}
+unsafe impl Sync for Persist {}
+
+use lightning::chain::channelmonitor::Persist as rustPersist;
+impl rustPersist<crate::chain::keysinterface::Sign> for Persist {
+ fn persist_new_channel(&self, id: lightning::chain::transaction::OutPoint, data: &lightning::chain::channelmonitor::ChannelMonitor<crate::chain::keysinterface::Sign>) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
+ let mut ret = (self.persist_new_channel)(self.this_arg, crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(id)), is_owned: true }, &crate::chain::channelmonitor::ChannelMonitor { inner: unsafe { (data as *const _) as *mut _ }, is_owned: false });
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })};
+ local_ret
+ }
+ fn update_persisted_channel(&self, id: lightning::chain::transaction::OutPoint, update: &lightning::chain::channelmonitor::ChannelMonitorUpdate, data: &lightning::chain::channelmonitor::ChannelMonitor<crate::chain::keysinterface::Sign>) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
+ let mut ret = (self.update_persisted_channel)(self.this_arg, crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(id)), is_owned: true }, &crate::chain::channelmonitor::ChannelMonitorUpdate { inner: unsafe { (update as *const _) as *mut _ }, is_owned: false }, &crate::chain::channelmonitor::ChannelMonitor { inner: unsafe { (data as *const _) as *mut _ }, is_owned: false });
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })};
+ 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 Persist {
+ type Target = Self;
+ fn deref(&self) -> &Self {
+ self
+ }
+}
+/// Calls the free function if one is set
+#[no_mangle]
+pub extern "C" fn Persist_free(this_ptr: Persist) { }
+impl Drop for Persist {
+ fn drop(&mut self) {
+ if let Some(f) = self.free {
+ f(self.this_arg);
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn C2Tuple_BlockHashChannelMonitorZ_read(ser: crate::c_types::u8slice, arg: &crate::chain::keysinterface::KeysInterface) -> crate::c_types::derived::CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ {
+ let arg_conv = arg;
+ let res: Result<(bitcoin::hash_types::BlockHash, lightning::chain::channelmonitor::ChannelMonitor<crate::chain::keysinterface::Sign>), lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj_arg(ser, arg_conv);
+ let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_res_0_0, mut orig_res_0_1) = o; let mut local_res_0 = (crate::c_types::ThirtyTwoBytes { data: orig_res_0_0.into_inner() }, crate::chain::channelmonitor::ChannelMonitor { inner: Box::into_raw(Box::new(orig_res_0_1)), is_owned: true }).into(); local_res_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
+ local_res
+}
projects / rust-lightning / blobdiff