1 // This file is Copyright its original authors, visible in version control
2 // history and in the source files from which this was generated.
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.
9 //! Provides keys to LDK and defines some useful objects describing spendable on-chain outputs.
11 //! The provided output descriptors follow a custom LDK data format and are currently not fully
12 //! compatible with Bitcoin Core output descriptors.
14 use alloc::str::FromStr;
15 use core::ffi::c_void;
16 use core::convert::Infallible;
17 use bitcoin::hashes::Hash;
18 use crate::c_types::*;
19 #[cfg(feature="no-std")]
20 use alloc::{vec::Vec, boxed::Box};
23 use lightning::chain::keysinterface::DelayedPaymentOutputDescriptor as nativeDelayedPaymentOutputDescriptorImport;
24 pub(crate) type nativeDelayedPaymentOutputDescriptor = nativeDelayedPaymentOutputDescriptorImport;
26 /// Information about a spendable output to a P2WSH script.
28 /// See [`SpendableOutputDescriptor::DelayedPaymentOutput`] for more details on how to spend this.
31 pub struct DelayedPaymentOutputDescriptor {
32 /// A pointer to the opaque Rust object.
34 /// Nearly everywhere, inner must be non-null, however in places where
35 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
36 pub inner: *mut nativeDelayedPaymentOutputDescriptor,
37 /// Indicates that this is the only struct which contains the same pointer.
39 /// Rust functions which take ownership of an object provided via an argument require
40 /// this to be true and invalidate the object pointed to by inner.
44 impl Drop for DelayedPaymentOutputDescriptor {
46 if self.is_owned && !<*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) {
47 let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
51 /// Frees any resources used by the DelayedPaymentOutputDescriptor, if is_owned is set and inner is non-NULL.
53 pub extern "C" fn DelayedPaymentOutputDescriptor_free(this_obj: DelayedPaymentOutputDescriptor) { }
55 /// Used only if an object of this type is returned as a trait impl by a method
56 pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) {
57 let _ = unsafe { Box::from_raw(this_ptr as *mut nativeDelayedPaymentOutputDescriptor) };
60 impl DelayedPaymentOutputDescriptor {
61 pub(crate) fn get_native_ref(&self) -> &'static nativeDelayedPaymentOutputDescriptor {
62 unsafe { &*ObjOps::untweak_ptr(self.inner) }
64 pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeDelayedPaymentOutputDescriptor {
65 unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
67 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
68 pub(crate) fn take_inner(mut self) -> *mut nativeDelayedPaymentOutputDescriptor {
69 assert!(self.is_owned);
70 let ret = ObjOps::untweak_ptr(self.inner);
71 self.inner = core::ptr::null_mut();
75 /// The outpoint which is spendable.
77 pub extern "C" fn DelayedPaymentOutputDescriptor_get_outpoint(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint {
78 let mut inner_val = &mut this_ptr.get_native_mut_ref().outpoint;
79 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false }
81 /// The outpoint which is spendable.
83 pub extern "C" fn DelayedPaymentOutputDescriptor_set_outpoint(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) {
84 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outpoint = *unsafe { Box::from_raw(val.take_inner()) };
86 /// Per commitment point to derive the delayed payment key by key holder.
88 pub extern "C" fn DelayedPaymentOutputDescriptor_get_per_commitment_point(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::PublicKey {
89 let mut inner_val = &mut this_ptr.get_native_mut_ref().per_commitment_point;
90 crate::c_types::PublicKey::from_rust(&inner_val)
92 /// Per commitment point to derive the delayed payment key by key holder.
94 pub extern "C" fn DelayedPaymentOutputDescriptor_set_per_commitment_point(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::PublicKey) {
95 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.per_commitment_point = val.into_rust();
97 /// The `nSequence` value which must be set in the spending input to satisfy the `OP_CSV` in
98 /// the witness_script.
100 pub extern "C" fn DelayedPaymentOutputDescriptor_get_to_self_delay(this_ptr: &DelayedPaymentOutputDescriptor) -> u16 {
101 let mut inner_val = &mut this_ptr.get_native_mut_ref().to_self_delay;
104 /// The `nSequence` value which must be set in the spending input to satisfy the `OP_CSV` in
105 /// the witness_script.
107 pub extern "C" fn DelayedPaymentOutputDescriptor_set_to_self_delay(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u16) {
108 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.to_self_delay = val;
110 /// The output which is referenced by the given outpoint.
112 /// Returns a copy of the field.
114 pub extern "C" fn DelayedPaymentOutputDescriptor_get_output(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::TxOut {
115 let mut inner_val = this_ptr.get_native_mut_ref().output.clone();
116 crate::c_types::TxOut::from_rust(inner_val)
118 /// The output which is referenced by the given outpoint.
120 pub extern "C" fn DelayedPaymentOutputDescriptor_set_output(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::TxOut) {
121 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.output = val.into_rust();
123 /// The revocation point specific to the commitment transaction which was broadcast. Used to
124 /// derive the witnessScript for this output.
126 pub extern "C" fn DelayedPaymentOutputDescriptor_get_revocation_pubkey(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::PublicKey {
127 let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_pubkey;
128 crate::c_types::PublicKey::from_rust(&inner_val)
130 /// The revocation point specific to the commitment transaction which was broadcast. Used to
131 /// derive the witnessScript for this output.
133 pub extern "C" fn DelayedPaymentOutputDescriptor_set_revocation_pubkey(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::PublicKey) {
134 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_pubkey = val.into_rust();
136 /// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`].
137 /// This may be useful in re-deriving keys used in the channel to spend the output.
139 pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &DelayedPaymentOutputDescriptor) -> *const [u8; 32] {
140 let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id;
143 /// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`].
144 /// This may be useful in re-deriving keys used in the channel to spend the output.
146 pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) {
147 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_keys_id = val.data;
149 /// The value of the channel which this output originated from, possibly indirectly.
151 pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &DelayedPaymentOutputDescriptor) -> u64 {
152 let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_value_satoshis;
155 /// The value of the channel which this output originated from, possibly indirectly.
157 pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u64) {
158 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val;
160 /// Constructs a new DelayedPaymentOutputDescriptor given each field
163 pub extern "C" fn DelayedPaymentOutputDescriptor_new(mut outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut per_commitment_point_arg: crate::c_types::PublicKey, mut to_self_delay_arg: u16, mut output_arg: crate::c_types::TxOut, mut revocation_pubkey_arg: crate::c_types::PublicKey, mut channel_keys_id_arg: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis_arg: u64) -> DelayedPaymentOutputDescriptor {
164 DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(nativeDelayedPaymentOutputDescriptor {
165 outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) },
166 per_commitment_point: per_commitment_point_arg.into_rust(),
167 to_self_delay: to_self_delay_arg,
168 output: output_arg.into_rust(),
169 revocation_pubkey: revocation_pubkey_arg.into_rust(),
170 channel_keys_id: channel_keys_id_arg.data,
171 channel_value_satoshis: channel_value_satoshis_arg,
174 impl Clone for DelayedPaymentOutputDescriptor {
175 fn clone(&self) -> Self {
177 inner: if <*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) { core::ptr::null_mut() } else {
178 ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
184 /// Used only if an object of this type is returned as a trait impl by a method
185 pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void {
186 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeDelayedPaymentOutputDescriptor)).clone() })) as *mut c_void
189 /// Creates a copy of the DelayedPaymentOutputDescriptor
190 pub extern "C" fn DelayedPaymentOutputDescriptor_clone(orig: &DelayedPaymentOutputDescriptor) -> DelayedPaymentOutputDescriptor {
193 /// Checks if two DelayedPaymentOutputDescriptors contain equal inner contents.
194 /// This ignores pointers and is_owned flags and looks at the values in fields.
195 /// Two objects with NULL inner values will be considered "equal" here.
197 pub extern "C" fn DelayedPaymentOutputDescriptor_eq(a: &DelayedPaymentOutputDescriptor, b: &DelayedPaymentOutputDescriptor) -> bool {
198 if a.inner == b.inner { return true; }
199 if a.inner.is_null() || b.inner.is_null() { return false; }
200 if a.get_native_ref() == b.get_native_ref() { true } else { false }
203 /// Serialize the DelayedPaymentOutputDescriptor object into a byte array which can be read by DelayedPaymentOutputDescriptor_read
204 pub extern "C" fn DelayedPaymentOutputDescriptor_write(obj: &crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
205 crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
208 pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
209 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeDelayedPaymentOutputDescriptor) })
212 /// Read a DelayedPaymentOutputDescriptor from a byte array, created by DelayedPaymentOutputDescriptor_write
213 pub extern "C" fn DelayedPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_DelayedPaymentOutputDescriptorDecodeErrorZ {
214 let res: Result<lightning::chain::keysinterface::DelayedPaymentOutputDescriptor, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
215 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
219 use lightning::chain::keysinterface::StaticPaymentOutputDescriptor as nativeStaticPaymentOutputDescriptorImport;
220 pub(crate) type nativeStaticPaymentOutputDescriptor = nativeStaticPaymentOutputDescriptorImport;
222 /// Information about a spendable output to our \"payment key\".
224 /// See [`SpendableOutputDescriptor::StaticPaymentOutput`] for more details on how to spend this.
227 pub struct StaticPaymentOutputDescriptor {
228 /// A pointer to the opaque Rust object.
230 /// Nearly everywhere, inner must be non-null, however in places where
231 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
232 pub inner: *mut nativeStaticPaymentOutputDescriptor,
233 /// Indicates that this is the only struct which contains the same pointer.
235 /// Rust functions which take ownership of an object provided via an argument require
236 /// this to be true and invalidate the object pointed to by inner.
240 impl Drop for StaticPaymentOutputDescriptor {
242 if self.is_owned && !<*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) {
243 let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
247 /// Frees any resources used by the StaticPaymentOutputDescriptor, if is_owned is set and inner is non-NULL.
249 pub extern "C" fn StaticPaymentOutputDescriptor_free(this_obj: StaticPaymentOutputDescriptor) { }
251 /// Used only if an object of this type is returned as a trait impl by a method
252 pub(crate) extern "C" fn StaticPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) {
253 let _ = unsafe { Box::from_raw(this_ptr as *mut nativeStaticPaymentOutputDescriptor) };
256 impl StaticPaymentOutputDescriptor {
257 pub(crate) fn get_native_ref(&self) -> &'static nativeStaticPaymentOutputDescriptor {
258 unsafe { &*ObjOps::untweak_ptr(self.inner) }
260 pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeStaticPaymentOutputDescriptor {
261 unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
263 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
264 pub(crate) fn take_inner(mut self) -> *mut nativeStaticPaymentOutputDescriptor {
265 assert!(self.is_owned);
266 let ret = ObjOps::untweak_ptr(self.inner);
267 self.inner = core::ptr::null_mut();
271 /// The outpoint which is spendable.
273 pub extern "C" fn StaticPaymentOutputDescriptor_get_outpoint(this_ptr: &StaticPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint {
274 let mut inner_val = &mut this_ptr.get_native_mut_ref().outpoint;
275 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false }
277 /// The outpoint which is spendable.
279 pub extern "C" fn StaticPaymentOutputDescriptor_set_outpoint(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) {
280 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outpoint = *unsafe { Box::from_raw(val.take_inner()) };
282 /// The output which is referenced by the given outpoint.
284 /// Returns a copy of the field.
286 pub extern "C" fn StaticPaymentOutputDescriptor_get_output(this_ptr: &StaticPaymentOutputDescriptor) -> crate::c_types::TxOut {
287 let mut inner_val = this_ptr.get_native_mut_ref().output.clone();
288 crate::c_types::TxOut::from_rust(inner_val)
290 /// The output which is referenced by the given outpoint.
292 pub extern "C" fn StaticPaymentOutputDescriptor_set_output(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::TxOut) {
293 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.output = val.into_rust();
295 /// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`].
296 /// This may be useful in re-deriving keys used in the channel to spend the output.
298 pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &StaticPaymentOutputDescriptor) -> *const [u8; 32] {
299 let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id;
302 /// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`].
303 /// This may be useful in re-deriving keys used in the channel to spend the output.
305 pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) {
306 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_keys_id = val.data;
308 /// The value of the channel which this transactions spends.
310 pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &StaticPaymentOutputDescriptor) -> u64 {
311 let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_value_satoshis;
314 /// The value of the channel which this transactions spends.
316 pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: u64) {
317 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val;
319 /// Constructs a new StaticPaymentOutputDescriptor given each field
322 pub extern "C" fn StaticPaymentOutputDescriptor_new(mut outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut output_arg: crate::c_types::TxOut, mut channel_keys_id_arg: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis_arg: u64) -> StaticPaymentOutputDescriptor {
323 StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(nativeStaticPaymentOutputDescriptor {
324 outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) },
325 output: output_arg.into_rust(),
326 channel_keys_id: channel_keys_id_arg.data,
327 channel_value_satoshis: channel_value_satoshis_arg,
330 impl Clone for StaticPaymentOutputDescriptor {
331 fn clone(&self) -> Self {
333 inner: if <*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) { core::ptr::null_mut() } else {
334 ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
340 /// Used only if an object of this type is returned as a trait impl by a method
341 pub(crate) extern "C" fn StaticPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void {
342 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeStaticPaymentOutputDescriptor)).clone() })) as *mut c_void
345 /// Creates a copy of the StaticPaymentOutputDescriptor
346 pub extern "C" fn StaticPaymentOutputDescriptor_clone(orig: &StaticPaymentOutputDescriptor) -> StaticPaymentOutputDescriptor {
349 /// Checks if two StaticPaymentOutputDescriptors contain equal inner contents.
350 /// This ignores pointers and is_owned flags and looks at the values in fields.
351 /// Two objects with NULL inner values will be considered "equal" here.
353 pub extern "C" fn StaticPaymentOutputDescriptor_eq(a: &StaticPaymentOutputDescriptor, b: &StaticPaymentOutputDescriptor) -> bool {
354 if a.inner == b.inner { return true; }
355 if a.inner.is_null() || b.inner.is_null() { return false; }
356 if a.get_native_ref() == b.get_native_ref() { true } else { false }
359 /// Serialize the StaticPaymentOutputDescriptor object into a byte array which can be read by StaticPaymentOutputDescriptor_read
360 pub extern "C" fn StaticPaymentOutputDescriptor_write(obj: &crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
361 crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
364 pub(crate) extern "C" fn StaticPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
365 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeStaticPaymentOutputDescriptor) })
368 /// Read a StaticPaymentOutputDescriptor from a byte array, created by StaticPaymentOutputDescriptor_write
369 pub extern "C" fn StaticPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_StaticPaymentOutputDescriptorDecodeErrorZ {
370 let res: Result<lightning::chain::keysinterface::StaticPaymentOutputDescriptor, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
371 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
374 /// Describes the necessary information to spend a spendable output.
376 /// When on-chain outputs are created by LDK (which our counterparty is not able to claim at any
377 /// point in the future) a [`SpendableOutputs`] event is generated which you must track and be able
378 /// to spend on-chain. The information needed to do this is provided in this enum, including the
379 /// outpoint describing which `txid` and output `index` is available, the full output which exists
380 /// at that `txid`/`index`, and any keys or other information required to sign.
382 /// [`SpendableOutputs`]: crate::events::Event::SpendableOutputs
386 pub enum SpendableOutputDescriptor {
387 /// An output to a script which was provided via [`SignerProvider`] directly, either from
388 /// [`get_destination_script`] or [`get_shutdown_scriptpubkey`], thus you should already
389 /// know how to spend it. No secret keys are provided as LDK was never given any key.
390 /// These may include outputs from a transaction punishing our counterparty or claiming an HTLC
391 /// on-chain using the payment preimage or after it has timed out.
393 /// [`get_shutdown_scriptpubkey`]: SignerProvider::get_shutdown_scriptpubkey
394 /// [`get_destination_script`]: SignerProvider::get_shutdown_scriptpubkey
396 /// The outpoint which is spendable.
397 outpoint: crate::lightning::chain::transaction::OutPoint,
398 /// The output which is referenced by the given outpoint.
399 output: crate::c_types::TxOut,
401 /// An output to a P2WSH script which can be spent with a single signature after an `OP_CSV`
404 /// The witness in the spending input should be:
406 /// <BIP 143 signature> <empty vector> (MINIMALIF standard rule) <provided witnessScript>
409 /// Note that the `nSequence` field in the spending input must be set to
410 /// [`DelayedPaymentOutputDescriptor::to_self_delay`] (which means the transaction is not
411 /// broadcastable until at least [`DelayedPaymentOutputDescriptor::to_self_delay`] blocks after
412 /// the outpoint confirms, see [BIP
413 /// 68](https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki)). Also note that LDK
414 /// won't generate a [`SpendableOutputDescriptor`] until the corresponding block height
417 /// These are generally the result of a \"revocable\" output to us, spendable only by us unless
418 /// it is an output from an old state which we broadcast (which should never happen).
420 /// To derive the delayed payment key which is used to sign this input, you must pass the
421 /// holder [`InMemorySigner::delayed_payment_base_key`] (i.e., the private key which corresponds to the
422 /// [`ChannelPublicKeys::delayed_payment_basepoint`] in [`ChannelSigner::pubkeys`]) and the provided
423 /// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to [`chan_utils::derive_private_key`]. The public key can be
424 /// generated without the secret key using [`chan_utils::derive_public_key`] and only the
425 /// [`ChannelPublicKeys::delayed_payment_basepoint`] which appears in [`ChannelSigner::pubkeys`].
427 /// To derive the [`DelayedPaymentOutputDescriptor::revocation_pubkey`] provided here (which is
428 /// used in the witness script generation), you must pass the counterparty
429 /// [`ChannelPublicKeys::revocation_basepoint`] (which appears in the call to
430 /// [`ChannelSigner::provide_channel_parameters`]) and the provided
431 /// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to
432 /// [`chan_utils::derive_public_revocation_key`].
434 /// The witness script which is hashed and included in the output `script_pubkey` may be
435 /// regenerated by passing the [`DelayedPaymentOutputDescriptor::revocation_pubkey`] (derived
436 /// as explained above), our delayed payment pubkey (derived as explained above), and the
437 /// [`DelayedPaymentOutputDescriptor::to_self_delay`] contained here to
438 /// [`chan_utils::get_revokeable_redeemscript`].
439 DelayedPaymentOutput(
440 crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor),
441 /// An output to a P2WPKH, spendable exclusively by our payment key (i.e., the private key
442 /// which corresponds to the `payment_point` in [`ChannelSigner::pubkeys`]). The witness
443 /// in the spending input is, thus, simply:
445 /// <BIP 143 signature> <payment key>
448 /// These are generally the result of our counterparty having broadcast the current state,
449 /// allowing us to claim the non-HTLC-encumbered outputs immediately.
451 crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor),
453 use lightning::chain::keysinterface::SpendableOutputDescriptor as SpendableOutputDescriptorImport;
454 pub(crate) type nativeSpendableOutputDescriptor = SpendableOutputDescriptorImport;
456 impl SpendableOutputDescriptor {
458 pub(crate) fn to_native(&self) -> nativeSpendableOutputDescriptor {
460 SpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, } => {
461 let mut outpoint_nonref = Clone::clone(outpoint);
462 let mut output_nonref = Clone::clone(output);
463 nativeSpendableOutputDescriptor::StaticOutput {
464 outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) },
465 output: output_nonref.into_rust(),
468 SpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => {
469 let mut a_nonref = Clone::clone(a);
470 nativeSpendableOutputDescriptor::DelayedPaymentOutput (
471 *unsafe { Box::from_raw(a_nonref.take_inner()) },
474 SpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => {
475 let mut a_nonref = Clone::clone(a);
476 nativeSpendableOutputDescriptor::StaticPaymentOutput (
477 *unsafe { Box::from_raw(a_nonref.take_inner()) },
483 pub(crate) fn into_native(self) -> nativeSpendableOutputDescriptor {
485 SpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => {
486 nativeSpendableOutputDescriptor::StaticOutput {
487 outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) },
488 output: output.into_rust(),
491 SpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => {
492 nativeSpendableOutputDescriptor::DelayedPaymentOutput (
493 *unsafe { Box::from_raw(a.take_inner()) },
496 SpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => {
497 nativeSpendableOutputDescriptor::StaticPaymentOutput (
498 *unsafe { Box::from_raw(a.take_inner()) },
504 pub(crate) fn from_native(native: &nativeSpendableOutputDescriptor) -> Self {
506 nativeSpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, } => {
507 let mut outpoint_nonref = Clone::clone(outpoint);
508 let mut output_nonref = Clone::clone(output);
509 SpendableOutputDescriptor::StaticOutput {
510 outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint_nonref), is_owned: true },
511 output: crate::c_types::TxOut::from_rust(output_nonref),
514 nativeSpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => {
515 let mut a_nonref = Clone::clone(a);
516 SpendableOutputDescriptor::DelayedPaymentOutput (
517 crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true },
520 nativeSpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => {
521 let mut a_nonref = Clone::clone(a);
522 SpendableOutputDescriptor::StaticPaymentOutput (
523 crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true },
529 pub(crate) fn native_into(native: nativeSpendableOutputDescriptor) -> Self {
531 nativeSpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => {
532 SpendableOutputDescriptor::StaticOutput {
533 outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint), is_owned: true },
534 output: crate::c_types::TxOut::from_rust(output),
537 nativeSpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => {
538 SpendableOutputDescriptor::DelayedPaymentOutput (
539 crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true },
542 nativeSpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => {
543 SpendableOutputDescriptor::StaticPaymentOutput (
544 crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true },
550 /// Frees any resources used by the SpendableOutputDescriptor
552 pub extern "C" fn SpendableOutputDescriptor_free(this_ptr: SpendableOutputDescriptor) { }
553 /// Creates a copy of the SpendableOutputDescriptor
555 pub extern "C" fn SpendableOutputDescriptor_clone(orig: &SpendableOutputDescriptor) -> SpendableOutputDescriptor {
559 /// Utility method to constructs a new StaticOutput-variant SpendableOutputDescriptor
560 pub extern "C" fn SpendableOutputDescriptor_static_output(outpoint: crate::lightning::chain::transaction::OutPoint, output: crate::c_types::TxOut) -> SpendableOutputDescriptor {
561 SpendableOutputDescriptor::StaticOutput {
567 /// Utility method to constructs a new DelayedPaymentOutput-variant SpendableOutputDescriptor
568 pub extern "C" fn SpendableOutputDescriptor_delayed_payment_output(a: crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor) -> SpendableOutputDescriptor {
569 SpendableOutputDescriptor::DelayedPaymentOutput(a, )
572 /// Utility method to constructs a new StaticPaymentOutput-variant SpendableOutputDescriptor
573 pub extern "C" fn SpendableOutputDescriptor_static_payment_output(a: crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor) -> SpendableOutputDescriptor {
574 SpendableOutputDescriptor::StaticPaymentOutput(a, )
576 /// Checks if two SpendableOutputDescriptors contain equal inner contents.
577 /// This ignores pointers and is_owned flags and looks at the values in fields.
579 pub extern "C" fn SpendableOutputDescriptor_eq(a: &SpendableOutputDescriptor, b: &SpendableOutputDescriptor) -> bool {
580 if &a.to_native() == &b.to_native() { true } else { false }
583 /// Serialize the SpendableOutputDescriptor object into a byte array which can be read by SpendableOutputDescriptor_read
584 pub extern "C" fn SpendableOutputDescriptor_write(obj: &crate::lightning::chain::keysinterface::SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
585 crate::c_types::serialize_obj(&unsafe { &*obj }.to_native())
588 /// Read a SpendableOutputDescriptor from a byte array, created by SpendableOutputDescriptor_write
589 pub extern "C" fn SpendableOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SpendableOutputDescriptorDecodeErrorZ {
590 let res: Result<lightning::chain::keysinterface::SpendableOutputDescriptor, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
591 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::SpendableOutputDescriptor::native_into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
594 /// A trait to handle Lightning channel key material without concretizing the channel type or
595 /// the signature mechanism.
597 pub struct ChannelSigner {
598 /// An opaque pointer which is passed to your function implementations as an argument.
599 /// This has no meaning in the LDK, and can be NULL or any other value.
600 pub this_arg: *mut c_void,
601 /// Gets the per-commitment point for a specific commitment number
603 /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards.
605 pub get_per_commitment_point: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::PublicKey,
606 /// Gets the commitment secret for a specific commitment number as part of the revocation process
608 /// An external signer implementation should error here if the commitment was already signed
609 /// and should refuse to sign it in the future.
611 /// May be called more than once for the same index.
613 /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards.
615 pub release_commitment_secret: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::ThirtyTwoBytes,
616 /// Validate the counterparty's signatures on the holder commitment transaction and HTLCs.
618 /// This is required in order for the signer to make sure that releasing a commitment
619 /// secret won't leave us without a broadcastable holder transaction.
620 /// Policy checks should be implemented in this function, including checking the amount
621 /// sent to us and checking the HTLCs.
623 /// The preimages of outgoing HTLCs that were fulfilled since the last commitment are provided.
624 /// A validating signer should ensure that an HTLC output is removed only when the matching
625 /// preimage is provided, or when the value to holder is restored.
627 /// Note that all the relevant preimages will be provided, but there may also be additional
628 /// irrelevant or duplicate preimages.
630 pub validate_holder_commitment: extern "C" fn (this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_NoneNoneZ,
631 /// Returns the holder's channel public keys and basepoints.
632 pub pubkeys: core::cell::UnsafeCell<crate::lightning::ln::chan_utils::ChannelPublicKeys>,
633 /// Fill in the pubkeys field as a reference to it will be given to Rust after this returns
634 /// Note that this takes a pointer to this object, not the this_ptr like other methods do
635 /// This function pointer may be NULL if pubkeys is filled in when this object is created and never needs updating.
636 pub set_pubkeys: Option<extern "C" fn(&ChannelSigner)>,
637 /// Returns an arbitrary identifier describing the set of keys which are provided back to you in
638 /// some [`SpendableOutputDescriptor`] types. This should be sufficient to identify this
639 /// [`EcdsaChannelSigner`] object uniquely and lookup or re-derive its keys.
641 pub channel_keys_id: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes,
642 /// Set the counterparty static channel data, including basepoints,
643 /// `counterparty_selected`/`holder_selected_contest_delay` and funding outpoint.
645 /// This data is static, and will never change for a channel once set. For a given [`ChannelSigner`]
646 /// instance, LDK will call this method exactly once - either immediately after construction
647 /// (not including if done via [`SignerProvider::read_chan_signer`]) or when the funding
648 /// information has been generated.
650 /// channel_parameters.is_populated() MUST be true.
651 pub provide_channel_parameters: extern "C" fn (this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters),
652 /// Frees any resources associated with this object given its this_arg pointer.
653 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
654 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
656 unsafe impl Send for ChannelSigner {}
657 unsafe impl Sync for ChannelSigner {}
659 pub(crate) extern "C" fn ChannelSigner_clone_fields(orig: &ChannelSigner) -> ChannelSigner {
661 this_arg: orig.this_arg,
662 get_per_commitment_point: Clone::clone(&orig.get_per_commitment_point),
663 release_commitment_secret: Clone::clone(&orig.release_commitment_secret),
664 validate_holder_commitment: Clone::clone(&orig.validate_holder_commitment),
665 pubkeys: Clone::clone(unsafe { &*core::cell::UnsafeCell::get(&orig.pubkeys)}).into(),
666 set_pubkeys: Clone::clone(&orig.set_pubkeys),
667 channel_keys_id: Clone::clone(&orig.channel_keys_id),
668 provide_channel_parameters: Clone::clone(&orig.provide_channel_parameters),
669 free: Clone::clone(&orig.free),
673 use lightning::chain::keysinterface::ChannelSigner as rustChannelSigner;
674 impl rustChannelSigner for ChannelSigner {
675 fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> bitcoin::secp256k1::PublicKey {
676 let mut ret = (self.get_per_commitment_point)(self.this_arg, idx);
679 fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] {
680 let mut ret = (self.release_commitment_secret)(self.this_arg, idx);
683 fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: Vec<lightning::ln::PaymentPreimage>) -> Result<(), ()> {
684 let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
685 let mut ret = (self.validate_holder_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into());
686 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)) })*/ })};
689 fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
690 if let Some(f) = self.set_pubkeys {
693 unsafe { &*self.pubkeys.get() }.get_native_ref()
695 fn channel_keys_id(&self) -> [u8; 32] {
696 let mut ret = (self.channel_keys_id)(self.this_arg);
699 fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) {
700 (self.provide_channel_parameters)(self.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false })
704 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
705 // directly as a Deref trait in higher-level structs:
706 impl core::ops::Deref for ChannelSigner {
708 fn deref(&self) -> &Self {
712 /// Calls the free function if one is set
714 pub extern "C" fn ChannelSigner_free(this_ptr: ChannelSigner) { }
715 impl Drop for ChannelSigner {
717 if let Some(f) = self.free {
722 /// A trait to sign Lightning channel transactions as described in
723 /// [BOLT 3](https://github.com/lightning/bolts/blob/master/03-transactions.md).
725 /// Signing services could be implemented on a hardware wallet and should implement signing
726 /// policies in order to be secure. Please refer to the [VLS Policy
727 /// Controls](https://gitlab.com/lightning-signer/validating-lightning-signer/-/blob/main/docs/policy-controls.md)
728 /// for an example of such policies.
730 pub struct EcdsaChannelSigner {
731 /// An opaque pointer which is passed to your function implementations as an argument.
732 /// This has no meaning in the LDK, and can be NULL or any other value.
733 pub this_arg: *mut c_void,
734 /// Create a signature for a counterparty's commitment transaction and associated HTLC transactions.
736 /// Note that if signing fails or is rejected, the channel will be force-closed.
738 /// Policy checks should be implemented in this function, including checking the amount
739 /// sent to us and checking the HTLCs.
741 /// The preimages of outgoing HTLCs that were fulfilled since the last commitment are provided.
742 /// A validating signer should ensure that an HTLC output is removed only when the matching
743 /// preimage is provided, or when the value to holder is restored.
745 /// Note that all the relevant preimages will be provided, but there may also be additional
746 /// irrelevant or duplicate preimages.
748 pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ,
749 /// Validate the counterparty's revocation.
751 /// This is required in order for the signer to make sure that the state has moved
752 /// forward and it is safe to sign the next counterparty commitment.
754 pub validate_counterparty_revocation: extern "C" fn (this_arg: *const c_void, idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ,
755 /// Creates a signature for a holder's commitment transaction and its claiming HTLC transactions.
757 /// This will be called
758 /// - with a non-revoked `commitment_tx`.
759 /// - with the latest `commitment_tx` when we initiate a force-close.
760 /// - with the previous `commitment_tx`, just to get claiming HTLC
761 /// signatures, if we are reacting to a [`ChannelMonitor`]
762 /// [replica](https://github.com/lightningdevkit/rust-lightning/blob/main/GLOSSARY.md#monitor-replicas)
763 /// that decided to broadcast before it had been updated to the latest `commitment_tx`.
765 /// This may be called multiple times for the same transaction.
767 /// An external signer implementation should check that the commitment has not been revoked.
769 /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
771 pub sign_holder_commitment_and_htlcs: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ,
772 /// Create a signature for the given input in a transaction spending an HTLC transaction output
773 /// or a commitment transaction `to_local` output when our counterparty broadcasts an old state.
775 /// A justice transaction may claim multiple outputs at the same time if timelocks are
776 /// similar, but only a signature for the input at index `input` should be signed for here.
777 /// It may be called multiple times for same output(s) if a fee-bump is needed with regards
778 /// to an upcoming timelock expiration.
780 /// Amount is value of the output spent by this input, committed to in the BIP 143 signature.
782 /// `per_commitment_key` is revocation secret which was provided by our counterparty when they
783 /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does
784 /// not allow the spending of any funds by itself (you need our holder `revocation_secret` to do
787 pub sign_justice_revoked_output: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32]) -> crate::c_types::derived::CResult_SignatureNoneZ,
788 /// Create a signature for the given input in a transaction spending a commitment transaction
789 /// HTLC output when our counterparty broadcasts an old state.
791 /// A justice transaction may claim multiple outputs at the same time if timelocks are
792 /// similar, but only a signature for the input at index `input` should be signed for here.
793 /// It may be called multiple times for same output(s) if a fee-bump is needed with regards
794 /// to an upcoming timelock expiration.
796 /// `amount` is the value of the output spent by this input, committed to in the BIP 143
799 /// `per_commitment_key` is revocation secret which was provided by our counterparty when they
800 /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does
801 /// not allow the spending of any funds by itself (you need our holder revocation_secret to do
804 /// `htlc` holds HTLC elements (hash, timelock), thus changing the format of the witness script
805 /// (which is committed to in the BIP 143 signatures).
807 pub sign_justice_revoked_htlc: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ,
808 /// Create a signature for a claiming transaction for a HTLC output on a counterparty's commitment
809 /// transaction, either offered or received.
811 /// Such a transaction may claim multiples offered outputs at same time if we know the
812 /// preimage for each when we create it, but only the input at index `input` should be
813 /// signed for here. It may be called multiple times for same output(s) if a fee-bump is
814 /// needed with regards to an upcoming timelock expiration.
816 /// `witness_script` is either an offered or received script as defined in BOLT3 for HTLC
819 /// `amount` is value of the output spent by this input, committed to in the BIP 143 signature.
821 /// `per_commitment_point` is the dynamic point corresponding to the channel state
822 /// detected onchain. It has been generated by our counterparty and is used to derive
823 /// channel state keys, which are then included in the witness script and committed to in the
824 /// BIP 143 signature.
826 pub sign_counterparty_htlc_transaction: extern "C" fn (this_arg: *const c_void, htlc_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ,
827 /// Create a signature for a (proposed) closing transaction.
829 /// Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have
830 /// chosen to forgo their output as dust.
832 pub sign_closing_transaction: extern "C" fn (this_arg: *const c_void, closing_tx: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ,
833 /// Computes the signature for a commitment transaction's anchor output used as an
834 /// input within `anchor_tx`, which spends the commitment transaction, at index `input`.
836 pub sign_holder_anchor_input: extern "C" fn (this_arg: *const c_void, anchor_tx: crate::c_types::Transaction, input: usize) -> crate::c_types::derived::CResult_SignatureNoneZ,
837 /// Signs a channel announcement message with our funding key proving it comes from one of the
838 /// channel participants.
840 /// Channel announcements also require a signature from each node's network key. Our node
841 /// signature is computed through [`NodeSigner::sign_gossip_message`].
843 /// Note that if this fails or is rejected, the channel will not be publicly announced and
844 /// our counterparty may (though likely will not) close the channel on us for violating the
847 pub sign_channel_announcement_with_funding_key: extern "C" fn (this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ,
848 /// Implementation of ChannelSigner for this object.
849 pub ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner,
850 /// Frees any resources associated with this object given its this_arg pointer.
851 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
852 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
854 unsafe impl Send for EcdsaChannelSigner {}
855 unsafe impl Sync for EcdsaChannelSigner {}
857 pub(crate) extern "C" fn EcdsaChannelSigner_clone_fields(orig: &EcdsaChannelSigner) -> EcdsaChannelSigner {
859 this_arg: orig.this_arg,
860 sign_counterparty_commitment: Clone::clone(&orig.sign_counterparty_commitment),
861 validate_counterparty_revocation: Clone::clone(&orig.validate_counterparty_revocation),
862 sign_holder_commitment_and_htlcs: Clone::clone(&orig.sign_holder_commitment_and_htlcs),
863 sign_justice_revoked_output: Clone::clone(&orig.sign_justice_revoked_output),
864 sign_justice_revoked_htlc: Clone::clone(&orig.sign_justice_revoked_htlc),
865 sign_counterparty_htlc_transaction: Clone::clone(&orig.sign_counterparty_htlc_transaction),
866 sign_closing_transaction: Clone::clone(&orig.sign_closing_transaction),
867 sign_holder_anchor_input: Clone::clone(&orig.sign_holder_anchor_input),
868 sign_channel_announcement_with_funding_key: Clone::clone(&orig.sign_channel_announcement_with_funding_key),
869 ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner_clone_fields(&orig.ChannelSigner),
870 free: Clone::clone(&orig.free),
873 impl lightning::chain::keysinterface::ChannelSigner for EcdsaChannelSigner {
874 fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> bitcoin::secp256k1::PublicKey {
875 let mut ret = (self.ChannelSigner.get_per_commitment_point)(self.ChannelSigner.this_arg, idx);
878 fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] {
879 let mut ret = (self.ChannelSigner.release_commitment_secret)(self.ChannelSigner.this_arg, idx);
882 fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: Vec<lightning::ln::PaymentPreimage>) -> Result<(), ()> {
883 let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
884 let mut ret = (self.ChannelSigner.validate_holder_commitment)(self.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into());
885 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)) })*/ })};
888 fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
889 if let Some(f) = self.ChannelSigner.set_pubkeys {
890 (f)(&self.ChannelSigner);
892 unsafe { &*self.ChannelSigner.pubkeys.get() }.get_native_ref()
894 fn channel_keys_id(&self) -> [u8; 32] {
895 let mut ret = (self.ChannelSigner.channel_keys_id)(self.ChannelSigner.this_arg);
898 fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) {
899 (self.ChannelSigner.provide_channel_parameters)(self.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false })
903 use lightning::chain::keysinterface::EcdsaChannelSigner as rustEcdsaChannelSigner;
904 impl rustEcdsaChannelSigner for EcdsaChannelSigner {
905 fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut preimages: Vec<lightning::ln::PaymentPreimage>, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
906 let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
907 let mut ret = (self.sign_counterparty_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::CommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into());
908 let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
911 fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> {
912 let mut ret = (self.validate_counterparty_revocation)(self.this_arg, idx, secret.as_ref());
913 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)) })*/ })};
916 fn sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
917 let mut ret = (self.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false });
918 let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
921 fn sign_justice_revoked_output(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
922 let mut ret = (self.sign_justice_revoked_output)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref());
923 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
926 fn sign_justice_revoked_htlc(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
927 let mut ret = (self.sign_justice_revoked_htlc)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false });
928 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
931 fn sign_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
932 let mut ret = (self.sign_counterparty_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false });
933 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
936 fn sign_closing_transaction(&self, mut closing_tx: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
937 let mut ret = (self.sign_closing_transaction)(self.this_arg, &crate::lightning::ln::chan_utils::ClosingTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((closing_tx as *const lightning::ln::chan_utils::ClosingTransaction<>) as *mut _) }, is_owned: false });
938 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
941 fn sign_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
942 let mut ret = (self.sign_holder_anchor_input)(self.this_arg, crate::c_types::Transaction::from_bitcoin(anchor_tx), input);
943 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
946 fn sign_channel_announcement_with_funding_key(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
947 let mut ret = (self.sign_channel_announcement_with_funding_key)(self.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { ObjOps::nonnull_ptr_to_inner((msg as *const lightning::ln::msgs::UnsignedChannelAnnouncement<>) as *mut _) }, is_owned: false });
948 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
953 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
954 // directly as a Deref trait in higher-level structs:
955 impl core::ops::Deref for EcdsaChannelSigner {
957 fn deref(&self) -> &Self {
961 /// Calls the free function if one is set
963 pub extern "C" fn EcdsaChannelSigner_free(this_ptr: EcdsaChannelSigner) { }
964 impl Drop for EcdsaChannelSigner {
966 if let Some(f) = self.free {
971 /// A writeable signer.
973 /// There will always be two instances of a signer per channel, one occupied by the
974 /// [`ChannelManager`] and another by the channel's [`ChannelMonitor`].
976 /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
977 /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
979 pub struct WriteableEcdsaChannelSigner {
980 /// An opaque pointer which is passed to your function implementations as an argument.
981 /// This has no meaning in the LDK, and can be NULL or any other value.
982 pub this_arg: *mut c_void,
983 /// Implementation of EcdsaChannelSigner for this object.
984 pub EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner,
985 /// Serialize the object into a byte array
986 pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
987 /// Frees any resources associated with this object given its this_arg pointer.
988 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
989 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
991 unsafe impl Send for WriteableEcdsaChannelSigner {}
992 unsafe impl Sync for WriteableEcdsaChannelSigner {}
994 pub(crate) extern "C" fn WriteableEcdsaChannelSigner_clone_fields(orig: &WriteableEcdsaChannelSigner) -> WriteableEcdsaChannelSigner {
995 WriteableEcdsaChannelSigner {
996 this_arg: orig.this_arg,
997 EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner_clone_fields(&orig.EcdsaChannelSigner),
998 write: Clone::clone(&orig.write),
999 free: Clone::clone(&orig.free),
1002 impl lightning::chain::keysinterface::EcdsaChannelSigner for WriteableEcdsaChannelSigner {
1003 fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut preimages: Vec<lightning::ln::PaymentPreimage>, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
1004 let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
1005 let mut ret = (self.EcdsaChannelSigner.sign_counterparty_commitment)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::CommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into());
1006 let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1009 fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> {
1010 let mut ret = (self.EcdsaChannelSigner.validate_counterparty_revocation)(self.EcdsaChannelSigner.this_arg, idx, secret.as_ref());
1011 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)) })*/ })};
1014 fn sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
1015 let mut ret = (self.EcdsaChannelSigner.sign_holder_commitment_and_htlcs)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false });
1016 let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1019 fn sign_justice_revoked_output(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1020 let mut ret = (self.EcdsaChannelSigner.sign_justice_revoked_output)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref());
1021 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1024 fn sign_justice_revoked_htlc(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1025 let mut ret = (self.EcdsaChannelSigner.sign_justice_revoked_htlc)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false });
1026 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1029 fn sign_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1030 let mut ret = (self.EcdsaChannelSigner.sign_counterparty_htlc_transaction)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false });
1031 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1034 fn sign_closing_transaction(&self, mut closing_tx: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1035 let mut ret = (self.EcdsaChannelSigner.sign_closing_transaction)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ClosingTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((closing_tx as *const lightning::ln::chan_utils::ClosingTransaction<>) as *mut _) }, is_owned: false });
1036 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1039 fn sign_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1040 let mut ret = (self.EcdsaChannelSigner.sign_holder_anchor_input)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(anchor_tx), input);
1041 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1044 fn sign_channel_announcement_with_funding_key(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1045 let mut ret = (self.EcdsaChannelSigner.sign_channel_announcement_with_funding_key)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { ObjOps::nonnull_ptr_to_inner((msg as *const lightning::ln::msgs::UnsignedChannelAnnouncement<>) as *mut _) }, is_owned: false });
1046 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1050 impl lightning::chain::keysinterface::ChannelSigner for WriteableEcdsaChannelSigner {
1051 fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> bitcoin::secp256k1::PublicKey {
1052 let mut ret = (self.EcdsaChannelSigner.ChannelSigner.get_per_commitment_point)(self.EcdsaChannelSigner.ChannelSigner.this_arg, idx);
1055 fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] {
1056 let mut ret = (self.EcdsaChannelSigner.ChannelSigner.release_commitment_secret)(self.EcdsaChannelSigner.ChannelSigner.this_arg, idx);
1059 fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: Vec<lightning::ln::PaymentPreimage>) -> Result<(), ()> {
1060 let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
1061 let mut ret = (self.EcdsaChannelSigner.ChannelSigner.validate_holder_commitment)(self.EcdsaChannelSigner.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into());
1062 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)) })*/ })};
1065 fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
1066 if let Some(f) = self.EcdsaChannelSigner.ChannelSigner.set_pubkeys {
1067 (f)(&self.EcdsaChannelSigner.ChannelSigner);
1069 unsafe { &*self.EcdsaChannelSigner.ChannelSigner.pubkeys.get() }.get_native_ref()
1071 fn channel_keys_id(&self) -> [u8; 32] {
1072 let mut ret = (self.EcdsaChannelSigner.ChannelSigner.channel_keys_id)(self.EcdsaChannelSigner.ChannelSigner.this_arg);
1075 fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) {
1076 (self.EcdsaChannelSigner.ChannelSigner.provide_channel_parameters)(self.EcdsaChannelSigner.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false })
1079 impl lightning::util::ser::Writeable for WriteableEcdsaChannelSigner {
1080 fn write<W: lightning::util::ser::Writer>(&self, w: &mut W) -> Result<(), crate::c_types::io::Error> {
1081 let vec = (self.write)(self.this_arg);
1082 w.write_all(vec.as_slice())
1086 use lightning::chain::keysinterface::WriteableEcdsaChannelSigner as rustWriteableEcdsaChannelSigner;
1087 impl rustWriteableEcdsaChannelSigner for WriteableEcdsaChannelSigner {
1090 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
1091 // directly as a Deref trait in higher-level structs:
1092 impl core::ops::Deref for WriteableEcdsaChannelSigner {
1094 fn deref(&self) -> &Self {
1098 /// Calls the free function if one is set
1100 pub extern "C" fn WriteableEcdsaChannelSigner_free(this_ptr: WriteableEcdsaChannelSigner) { }
1101 impl Drop for WriteableEcdsaChannelSigner {
1102 fn drop(&mut self) {
1103 if let Some(f) = self.free {
1108 /// Specifies the recipient of an invoice.
1110 /// This indicates to [`NodeSigner::sign_invoice`] what node secret key should be used to sign
1115 pub enum Recipient {
1116 /// The invoice should be signed with the local node secret key.
1118 /// The invoice should be signed with the phantom node secret key. This secret key must be the
1119 /// same for all nodes participating in the [phantom node payment].
1121 /// [phantom node payment]: PhantomKeysManager
1124 use lightning::chain::keysinterface::Recipient as RecipientImport;
1125 pub(crate) type nativeRecipient = RecipientImport;
1129 pub(crate) fn to_native(&self) -> nativeRecipient {
1131 Recipient::Node => nativeRecipient::Node,
1132 Recipient::PhantomNode => nativeRecipient::PhantomNode,
1136 pub(crate) fn into_native(self) -> nativeRecipient {
1138 Recipient::Node => nativeRecipient::Node,
1139 Recipient::PhantomNode => nativeRecipient::PhantomNode,
1143 pub(crate) fn from_native(native: &nativeRecipient) -> Self {
1145 nativeRecipient::Node => Recipient::Node,
1146 nativeRecipient::PhantomNode => Recipient::PhantomNode,
1150 pub(crate) fn native_into(native: nativeRecipient) -> Self {
1152 nativeRecipient::Node => Recipient::Node,
1153 nativeRecipient::PhantomNode => Recipient::PhantomNode,
1157 /// Creates a copy of the Recipient
1159 pub extern "C" fn Recipient_clone(orig: &Recipient) -> Recipient {
1163 /// Utility method to constructs a new Node-variant Recipient
1164 pub extern "C" fn Recipient_node() -> Recipient {
1167 /// Utility method to constructs a new PhantomNode-variant Recipient
1168 pub extern "C" fn Recipient_phantom_node() -> Recipient {
1169 Recipient::PhantomNode}
1170 /// A trait that describes a source of entropy.
1172 pub struct EntropySource {
1173 /// An opaque pointer which is passed to your function implementations as an argument.
1174 /// This has no meaning in the LDK, and can be NULL or any other value.
1175 pub this_arg: *mut c_void,
1176 /// Gets a unique, cryptographically-secure, random 32-byte value. This method must return a
1177 /// different value each time it is called.
1179 pub get_secure_random_bytes: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes,
1180 /// Frees any resources associated with this object given its this_arg pointer.
1181 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
1182 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
1184 unsafe impl Send for EntropySource {}
1185 unsafe impl Sync for EntropySource {}
1187 pub(crate) extern "C" fn EntropySource_clone_fields(orig: &EntropySource) -> EntropySource {
1189 this_arg: orig.this_arg,
1190 get_secure_random_bytes: Clone::clone(&orig.get_secure_random_bytes),
1191 free: Clone::clone(&orig.free),
1195 use lightning::chain::keysinterface::EntropySource as rustEntropySource;
1196 impl rustEntropySource for EntropySource {
1197 fn get_secure_random_bytes(&self) -> [u8; 32] {
1198 let mut ret = (self.get_secure_random_bytes)(self.this_arg);
1203 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
1204 // directly as a Deref trait in higher-level structs:
1205 impl core::ops::Deref for EntropySource {
1207 fn deref(&self) -> &Self {
1211 /// Calls the free function if one is set
1213 pub extern "C" fn EntropySource_free(this_ptr: EntropySource) { }
1214 impl Drop for EntropySource {
1215 fn drop(&mut self) {
1216 if let Some(f) = self.free {
1221 /// A trait that can handle cryptographic operations at the scope level of a node.
1223 pub struct NodeSigner {
1224 /// An opaque pointer which is passed to your function implementations as an argument.
1225 /// This has no meaning in the LDK, and can be NULL or any other value.
1226 pub this_arg: *mut c_void,
1227 /// Get secret key material as bytes for use in encrypting and decrypting inbound payment data.
1229 /// If the implementor of this trait supports [phantom node payments], then every node that is
1230 /// intended to be included in the phantom invoice route hints must return the same value from
1233 /// This method must return the same value each time it is called.
1235 /// [phantom node payments]: PhantomKeysManager
1237 pub get_inbound_payment_key_material: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes,
1238 /// Get node id based on the provided [`Recipient`].
1240 /// This method must return the same value each time it is called with a given [`Recipient`]
1243 /// Errors if the [`Recipient`] variant is not supported by the implementation.
1245 pub get_node_id: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ,
1246 /// Gets the ECDH shared secret of our node secret and `other_key`, multiplying by `tweak` if
1247 /// one is provided. Note that this tweak can be applied to `other_key` instead of our node
1248 /// secret, though this is less efficient.
1250 /// Note that if this fails while attempting to forward an HTLC, LDK will panic. The error
1251 /// should be resolved to allow LDK to resume forwarding HTLCs.
1253 /// Errors if the [`Recipient`] variant is not supported by the implementation.
1255 pub ecdh: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::chain::keysinterface::Recipient, other_key: crate::c_types::PublicKey, tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ,
1256 /// Sign an invoice.
1258 /// By parameterizing by the raw invoice bytes instead of the hash, we allow implementors of
1259 /// this trait to parse the invoice and make sure they're signing what they expect, rather than
1260 /// blindly signing the hash.
1262 /// The `hrp_bytes` are ASCII bytes, while the `invoice_data` is base32.
1264 /// The secret key used to sign the invoice is dependent on the [`Recipient`].
1266 /// Errors if the [`Recipient`] variant is not supported by the implementation.
1268 pub sign_invoice: extern "C" fn (this_arg: *const c_void, hrp_bytes: crate::c_types::u8slice, invoice_data: crate::c_types::derived::CVec_U5Z, recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ,
1269 /// Sign a gossip message.
1271 /// Note that if this fails, LDK may panic and the message will not be broadcast to the network
1272 /// or a possible channel counterparty. If LDK panics, the error should be resolved to allow the
1273 /// message to be broadcast, as otherwise it may prevent one from receiving funds over the
1274 /// corresponding channel.
1276 pub sign_gossip_message: extern "C" fn (this_arg: *const c_void, msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ,
1277 /// Frees any resources associated with this object given its this_arg pointer.
1278 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
1279 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
1281 unsafe impl Send for NodeSigner {}
1282 unsafe impl Sync for NodeSigner {}
1284 pub(crate) extern "C" fn NodeSigner_clone_fields(orig: &NodeSigner) -> NodeSigner {
1286 this_arg: orig.this_arg,
1287 get_inbound_payment_key_material: Clone::clone(&orig.get_inbound_payment_key_material),
1288 get_node_id: Clone::clone(&orig.get_node_id),
1289 ecdh: Clone::clone(&orig.ecdh),
1290 sign_invoice: Clone::clone(&orig.sign_invoice),
1291 sign_gossip_message: Clone::clone(&orig.sign_gossip_message),
1292 free: Clone::clone(&orig.free),
1296 use lightning::chain::keysinterface::NodeSigner as rustNodeSigner;
1297 impl rustNodeSigner for NodeSigner {
1298 fn get_inbound_payment_key_material(&self) -> lightning::chain::keysinterface::KeyMaterial {
1299 let mut ret = (self.get_inbound_payment_key_material)(self.this_arg);
1300 ::lightning::chain::keysinterface::KeyMaterial(ret.data)
1302 fn get_node_id(&self, mut recipient: lightning::chain::keysinterface::Recipient) -> Result<bitcoin::secp256k1::PublicKey, ()> {
1303 let mut ret = (self.get_node_id)(self.this_arg, crate::lightning::chain::keysinterface::Recipient::native_into(recipient));
1304 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1307 fn ecdh(&self, mut recipient: lightning::chain::keysinterface::Recipient, mut other_key: &bitcoin::secp256k1::PublicKey, mut tweak: Option<&bitcoin::secp256k1::Scalar>) -> Result<bitcoin::secp256k1::ecdh::SharedSecret, ()> {
1308 let mut local_tweak = if tweak.is_none() { crate::c_types::derived::COption_ScalarZ::None } else { crate::c_types::derived::COption_ScalarZ::Some(/* WARNING: CLONING CONVERSION HERE! &Option<Enum> is otherwise un-expressable. */ { crate::c_types::BigEndianScalar::from_rust(&(*tweak.as_ref().unwrap()).clone()) }) };
1309 let mut ret = (self.ecdh)(self.this_arg, crate::lightning::chain::keysinterface::Recipient::native_into(recipient), crate::c_types::PublicKey::from_rust(&other_key), local_tweak);
1310 let mut local_ret = match ret.result_ok { true => Ok( { ::bitcoin::secp256k1::ecdh::SharedSecret::from_bytes((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).data) }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1313 fn sign_invoice(&self, mut hrp_bytes: &[u8], mut invoice_data: &[bitcoin::bech32::u5], mut recipient: lightning::chain::keysinterface::Recipient) -> Result<bitcoin::secp256k1::ecdsa::RecoverableSignature, ()> {
1314 let mut local_hrp_bytes = crate::c_types::u8slice::from_slice(hrp_bytes);
1315 let mut local_invoice_data_clone = Vec::new(); local_invoice_data_clone.extend_from_slice(invoice_data); let mut invoice_data = local_invoice_data_clone; let mut local_invoice_data = Vec::new(); for mut item in invoice_data.drain(..) { local_invoice_data.push( { item.into() }); };
1316 let mut ret = (self.sign_invoice)(self.this_arg, local_hrp_bytes, local_invoice_data.into(), crate::lightning::chain::keysinterface::Recipient::native_into(recipient));
1317 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1320 fn sign_gossip_message(&self, mut msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
1321 let mut ret = (self.sign_gossip_message)(self.this_arg, crate::lightning::ln::msgs::UnsignedGossipMessage::native_into(msg));
1322 let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
1327 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
1328 // directly as a Deref trait in higher-level structs:
1329 impl core::ops::Deref for NodeSigner {
1331 fn deref(&self) -> &Self {
1335 /// Calls the free function if one is set
1337 pub extern "C" fn NodeSigner_free(this_ptr: NodeSigner) { }
1338 impl Drop for NodeSigner {
1339 fn drop(&mut self) {
1340 if let Some(f) = self.free {
1345 /// A trait that can return signer instances for individual channels.
1347 pub struct SignerProvider {
1348 /// An opaque pointer which is passed to your function implementations as an argument.
1349 /// This has no meaning in the LDK, and can be NULL or any other value.
1350 pub this_arg: *mut c_void,
1351 /// Generates a unique `channel_keys_id` that can be used to obtain a [`Self::Signer`] through
1352 /// [`SignerProvider::derive_channel_signer`]. The `user_channel_id` is provided to allow
1353 /// implementations of [`SignerProvider`] to maintain a mapping between itself and the generated
1354 /// `channel_keys_id`.
1356 /// This method must return a different value each time it is called.
1358 pub generate_channel_keys_id: extern "C" fn (this_arg: *const c_void, inbound: bool, channel_value_satoshis: u64, user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes,
1359 /// Derives the private key material backing a `Signer`.
1361 /// To derive a new `Signer`, a fresh `channel_keys_id` should be obtained through
1362 /// [`SignerProvider::generate_channel_keys_id`]. Otherwise, an existing `Signer` can be
1363 /// re-derived from its `channel_keys_id`, which can be obtained through its trait method
1364 /// [`ChannelSigner::channel_keys_id`].
1366 pub derive_channel_signer: extern "C" fn (this_arg: *const c_void, channel_value_satoshis: u64, channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner,
1367 /// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream.
1368 /// This is only called during deserialization of other objects which contain
1369 /// [`WriteableEcdsaChannelSigner`]-implementing objects (i.e., [`ChannelMonitor`]s and [`ChannelManager`]s).
1370 /// The bytes are exactly those which `<Self::Signer as Writeable>::write()` writes, and
1371 /// contain no versioning scheme. You may wish to include your own version prefix and ensure
1372 /// you've read all of the provided bytes to ensure no corruption occurred.
1374 /// This method is slowly being phased out -- it will only be called when reading objects
1375 /// written by LDK versions prior to 0.0.113.
1377 /// [`Signer`]: Self::Signer
1378 /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
1379 /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
1381 pub read_chan_signer: extern "C" fn (this_arg: *const c_void, reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ,
1382 /// Get a script pubkey which we send funds to when claiming on-chain contestable outputs.
1384 /// This method should return a different value each time it is called, to avoid linking
1385 /// on-chain funds across channels as controlled to the same user.
1387 pub get_destination_script: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
1388 /// Get a script pubkey which we will send funds to when closing a channel.
1390 /// This method should return a different value each time it is called, to avoid linking
1391 /// on-chain funds across channels as controlled to the same user.
1393 pub get_shutdown_scriptpubkey: extern "C" fn (this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript,
1394 /// Frees any resources associated with this object given its this_arg pointer.
1395 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
1396 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
1398 unsafe impl Send for SignerProvider {}
1399 unsafe impl Sync for SignerProvider {}
1401 pub(crate) extern "C" fn SignerProvider_clone_fields(orig: &SignerProvider) -> SignerProvider {
1403 this_arg: orig.this_arg,
1404 generate_channel_keys_id: Clone::clone(&orig.generate_channel_keys_id),
1405 derive_channel_signer: Clone::clone(&orig.derive_channel_signer),
1406 read_chan_signer: Clone::clone(&orig.read_chan_signer),
1407 get_destination_script: Clone::clone(&orig.get_destination_script),
1408 get_shutdown_scriptpubkey: Clone::clone(&orig.get_shutdown_scriptpubkey),
1409 free: Clone::clone(&orig.free),
1413 use lightning::chain::keysinterface::SignerProvider as rustSignerProvider;
1414 impl rustSignerProvider for SignerProvider {
1415 type Signer = crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner;
1416 fn generate_channel_keys_id(&self, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: u128) -> [u8; 32] {
1417 let mut ret = (self.generate_channel_keys_id)(self.this_arg, inbound, channel_value_satoshis, user_channel_id.into());
1420 fn derive_channel_signer(&self, mut channel_value_satoshis: u64, mut channel_keys_id: [u8; 32]) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
1421 let mut ret = (self.derive_channel_signer)(self.this_arg, channel_value_satoshis, crate::c_types::ThirtyTwoBytes { data: channel_keys_id });
1424 fn read_chan_signer(&self, mut reader: &[u8]) -> Result<crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner, lightning::ln::msgs::DecodeError> {
1425 let mut local_reader = crate::c_types::u8slice::from_slice(reader);
1426 let mut ret = (self.read_chan_signer)(self.this_arg, local_reader);
1427 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() })};
1430 fn get_destination_script(&self) -> bitcoin::blockdata::script::Script {
1431 let mut ret = (self.get_destination_script)(self.this_arg);
1432 ::bitcoin::blockdata::script::Script::from(ret.into_rust())
1434 fn get_shutdown_scriptpubkey(&self) -> lightning::ln::script::ShutdownScript {
1435 let mut ret = (self.get_shutdown_scriptpubkey)(self.this_arg);
1436 *unsafe { Box::from_raw(ret.take_inner()) }
1440 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
1441 // directly as a Deref trait in higher-level structs:
1442 impl core::ops::Deref for SignerProvider {
1444 fn deref(&self) -> &Self {
1448 /// Calls the free function if one is set
1450 pub extern "C" fn SignerProvider_free(this_ptr: SignerProvider) { }
1451 impl Drop for SignerProvider {
1452 fn drop(&mut self) {
1453 if let Some(f) = self.free {
1459 use lightning::chain::keysinterface::InMemorySigner as nativeInMemorySignerImport;
1460 pub(crate) type nativeInMemorySigner = nativeInMemorySignerImport;
1462 /// A simple implementation of [`WriteableEcdsaChannelSigner`] that just keeps the private keys in memory.
1464 /// This implementation performs no policy checks and is insufficient by itself as
1465 /// a secure external signer.
1468 pub struct InMemorySigner {
1469 /// A pointer to the opaque Rust object.
1471 /// Nearly everywhere, inner must be non-null, however in places where
1472 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1473 pub inner: *mut nativeInMemorySigner,
1474 /// Indicates that this is the only struct which contains the same pointer.
1476 /// Rust functions which take ownership of an object provided via an argument require
1477 /// this to be true and invalidate the object pointed to by inner.
1481 impl Drop for InMemorySigner {
1482 fn drop(&mut self) {
1483 if self.is_owned && !<*mut nativeInMemorySigner>::is_null(self.inner) {
1484 let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
1488 /// Frees any resources used by the InMemorySigner, if is_owned is set and inner is non-NULL.
1490 pub extern "C" fn InMemorySigner_free(this_obj: InMemorySigner) { }
1492 /// Used only if an object of this type is returned as a trait impl by a method
1493 pub(crate) extern "C" fn InMemorySigner_free_void(this_ptr: *mut c_void) {
1494 let _ = unsafe { Box::from_raw(this_ptr as *mut nativeInMemorySigner) };
1497 impl InMemorySigner {
1498 pub(crate) fn get_native_ref(&self) -> &'static nativeInMemorySigner {
1499 unsafe { &*ObjOps::untweak_ptr(self.inner) }
1501 pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeInMemorySigner {
1502 unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
1504 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1505 pub(crate) fn take_inner(mut self) -> *mut nativeInMemorySigner {
1506 assert!(self.is_owned);
1507 let ret = ObjOps::untweak_ptr(self.inner);
1508 self.inner = core::ptr::null_mut();
1512 /// Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the
1513 /// holder's anchor output in a commitment transaction, if one is present.
1515 pub extern "C" fn InMemorySigner_get_funding_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1516 let mut inner_val = &mut this_ptr.get_native_mut_ref().funding_key;
1519 /// Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the
1520 /// holder's anchor output in a commitment transaction, if one is present.
1522 pub extern "C" fn InMemorySigner_set_funding_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1523 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_key = val.into_rust();
1525 /// Holder secret key for blinded revocation pubkey.
1527 pub extern "C" fn InMemorySigner_get_revocation_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1528 let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_base_key;
1531 /// Holder secret key for blinded revocation pubkey.
1533 pub extern "C" fn InMemorySigner_set_revocation_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1534 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_base_key = val.into_rust();
1536 /// Holder secret key used for our balance in counterparty-broadcasted commitment transactions.
1538 pub extern "C" fn InMemorySigner_get_payment_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1539 let mut inner_val = &mut this_ptr.get_native_mut_ref().payment_key;
1542 /// Holder secret key used for our balance in counterparty-broadcasted commitment transactions.
1544 pub extern "C" fn InMemorySigner_set_payment_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1545 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.payment_key = val.into_rust();
1547 /// Holder secret key used in an HTLC transaction.
1549 pub extern "C" fn InMemorySigner_get_delayed_payment_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1550 let mut inner_val = &mut this_ptr.get_native_mut_ref().delayed_payment_base_key;
1553 /// Holder secret key used in an HTLC transaction.
1555 pub extern "C" fn InMemorySigner_set_delayed_payment_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1556 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.delayed_payment_base_key = val.into_rust();
1558 /// Holder HTLC secret key used in commitment transaction HTLC outputs.
1560 pub extern "C" fn InMemorySigner_get_htlc_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1561 let mut inner_val = &mut this_ptr.get_native_mut_ref().htlc_base_key;
1564 /// Holder HTLC secret key used in commitment transaction HTLC outputs.
1566 pub extern "C" fn InMemorySigner_set_htlc_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1567 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc_base_key = val.into_rust();
1569 /// Commitment seed.
1571 pub extern "C" fn InMemorySigner_get_commitment_seed(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1572 let mut inner_val = &mut this_ptr.get_native_mut_ref().commitment_seed;
1575 /// Commitment seed.
1577 pub extern "C" fn InMemorySigner_set_commitment_seed(this_ptr: &mut InMemorySigner, mut val: crate::c_types::ThirtyTwoBytes) {
1578 unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.commitment_seed = val.data;
1580 impl Clone for InMemorySigner {
1581 fn clone(&self) -> Self {
1583 inner: if <*mut nativeInMemorySigner>::is_null(self.inner) { core::ptr::null_mut() } else {
1584 ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
1590 /// Used only if an object of this type is returned as a trait impl by a method
1591 pub(crate) extern "C" fn InMemorySigner_clone_void(this_ptr: *const c_void) -> *mut c_void {
1592 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeInMemorySigner)).clone() })) as *mut c_void
1595 /// Creates a copy of the InMemorySigner
1596 pub extern "C" fn InMemorySigner_clone(orig: &InMemorySigner) -> InMemorySigner {
1599 /// Creates a new [`InMemorySigner`].
1602 pub extern "C" fn InMemorySigner_new(mut funding_key: crate::c_types::SecretKey, mut revocation_base_key: crate::c_types::SecretKey, mut payment_key: crate::c_types::SecretKey, mut delayed_payment_base_key: crate::c_types::SecretKey, mut htlc_base_key: crate::c_types::SecretKey, mut commitment_seed: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes, mut rand_bytes_unique_start: crate::c_types::ThirtyTwoBytes) -> crate::lightning::chain::keysinterface::InMemorySigner {
1603 let mut ret = lightning::chain::keysinterface::InMemorySigner::new(secp256k1::global::SECP256K1, funding_key.into_rust(), revocation_base_key.into_rust(), payment_key.into_rust(), delayed_payment_base_key.into_rust(), htlc_base_key.into_rust(), commitment_seed.data, channel_value_satoshis, channel_keys_id.data, rand_bytes_unique_start.data);
1604 crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true }
1607 /// Returns the counterparty's pubkeys.
1609 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1612 pub extern "C" fn InMemorySigner_counterparty_pubkeys(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelPublicKeys {
1613 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_pubkeys();
1614 crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::ChannelPublicKeys<>) as *mut _) }, is_owned: false }
1617 /// Returns the `contest_delay` value specified by our counterparty and applied on holder-broadcastable
1618 /// transactions, i.e., the amount of time that we have to wait to recover our funds if we
1619 /// broadcast a transaction.
1621 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1624 pub extern "C" fn InMemorySigner_counterparty_selected_contest_delay(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> u16 {
1625 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_selected_contest_delay();
1629 /// Returns the `contest_delay` value specified by us and applied on transactions broadcastable
1630 /// by our counterparty, i.e., the amount of time that they have to wait to recover their funds
1631 /// if they broadcast a transaction.
1633 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1636 pub extern "C" fn InMemorySigner_holder_selected_contest_delay(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> u16 {
1637 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.holder_selected_contest_delay();
1641 /// Returns whether the holder is the initiator.
1643 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1646 pub extern "C" fn InMemorySigner_is_outbound(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> bool {
1647 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.is_outbound();
1651 /// Funding outpoint
1653 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1656 pub extern "C" fn InMemorySigner_funding_outpoint(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::chain::transaction::OutPoint {
1657 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.funding_outpoint();
1658 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false }
1661 /// Returns a [`ChannelTransactionParameters`] for this channel, to be used when verifying or
1662 /// building transactions.
1664 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1667 pub extern "C" fn InMemorySigner_get_channel_parameters(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters {
1668 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_channel_parameters();
1669 crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false }
1672 /// Returns whether anchors should be used.
1674 /// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before.
1677 pub extern "C" fn InMemorySigner_opt_anchors(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> bool {
1678 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors();
1682 /// Sign the single input of `spend_tx` at index `input_idx`, which spends the output described
1683 /// by `descriptor`, returning the witness stack for the input.
1685 /// Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`,
1686 /// is not spending the outpoint described by [`descriptor.outpoint`],
1687 /// or if an output descriptor `script_pubkey` does not match the one we can spend.
1689 /// [`descriptor.outpoint`]: StaticPaymentOutputDescriptor::outpoint
1692 pub extern "C" fn InMemorySigner_sign_counterparty_payment_input(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ {
1693 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_counterparty_payment_input(&spend_tx.into_bitcoin(), input_idx, descriptor.get_native_ref(), secp256k1::global::SECP256K1);
1694 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { let mut local_ret_0_0 = Vec::new(); for mut item in item.drain(..) { local_ret_0_0.push( { item }); }; local_ret_0_0.into() }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1698 /// Sign the single input of `spend_tx` at index `input_idx` which spends the output
1699 /// described by `descriptor`, returning the witness stack for the input.
1701 /// Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`,
1702 /// is not spending the outpoint described by [`descriptor.outpoint`], does not have a
1703 /// sequence set to [`descriptor.to_self_delay`], or if an output descriptor
1704 /// `script_pubkey` does not match the one we can spend.
1706 /// [`descriptor.outpoint`]: DelayedPaymentOutputDescriptor::outpoint
1707 /// [`descriptor.to_self_delay`]: DelayedPaymentOutputDescriptor::to_self_delay
1710 pub extern "C" fn InMemorySigner_sign_dynamic_p2wsh_input(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ {
1711 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_dynamic_p2wsh_input(&spend_tx.into_bitcoin(), input_idx, descriptor.get_native_ref(), secp256k1::global::SECP256K1);
1712 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { let mut local_ret_0_0 = Vec::new(); for mut item in item.drain(..) { local_ret_0_0.push( { item }); }; local_ret_0_0.into() }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1716 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::EntropySource {
1717 fn from(obj: nativeInMemorySigner) -> Self {
1718 let mut rust_obj = InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true };
1719 let mut ret = InMemorySigner_as_EntropySource(&rust_obj);
1720 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
1721 rust_obj.inner = core::ptr::null_mut();
1722 ret.free = Some(InMemorySigner_free_void);
1726 /// Constructs a new EntropySource which calls the relevant methods on this_arg.
1727 /// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is
1729 pub extern "C" fn InMemorySigner_as_EntropySource(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::EntropySource {
1730 crate::lightning::chain::keysinterface::EntropySource {
1731 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1733 get_secure_random_bytes: InMemorySigner_EntropySource_get_secure_random_bytes,
1738 extern "C" fn InMemorySigner_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
1739 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EntropySource<>>::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, );
1740 crate::c_types::ThirtyTwoBytes { data: ret }
1743 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::ChannelSigner {
1744 fn from(obj: nativeInMemorySigner) -> Self {
1745 let mut rust_obj = InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true };
1746 let mut ret = InMemorySigner_as_ChannelSigner(&rust_obj);
1747 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
1748 rust_obj.inner = core::ptr::null_mut();
1749 ret.free = Some(InMemorySigner_free_void);
1753 /// Constructs a new ChannelSigner which calls the relevant methods on this_arg.
1754 /// This copies the `inner` pointer in this_arg and thus the returned ChannelSigner must be freed before this_arg is
1756 pub extern "C" fn InMemorySigner_as_ChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::ChannelSigner {
1757 crate::lightning::chain::keysinterface::ChannelSigner {
1758 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1760 get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point,
1761 release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret,
1762 validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment,
1764 pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(),
1765 set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys),
1766 channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id,
1767 provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters,
1772 extern "C" fn InMemorySigner_ChannelSigner_get_per_commitment_point(this_arg: *const c_void, mut idx: u64) -> crate::c_types::PublicKey {
1773 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::get_per_commitment_point(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx, secp256k1::global::SECP256K1);
1774 crate::c_types::PublicKey::from_rust(&ret)
1777 extern "C" fn InMemorySigner_ChannelSigner_release_commitment_secret(this_arg: *const c_void, mut idx: u64) -> crate::c_types::ThirtyTwoBytes {
1778 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::release_commitment_secret(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx);
1779 crate::c_types::ThirtyTwoBytes { data: ret }
1782 extern "C" fn InMemorySigner_ChannelSigner_validate_holder_commitment(this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_NoneNoneZ {
1783 let mut local_preimages = Vec::new(); for mut item in preimages.into_rust().drain(..) { local_preimages.push( { ::lightning::ln::PaymentPreimage(item.data) }); };
1784 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::validate_holder_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, holder_tx.get_native_ref(), local_preimages);
1785 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1789 extern "C" fn InMemorySigner_ChannelSigner_pubkeys(this_arg: *const c_void) -> crate::lightning::ln::chan_utils::ChannelPublicKeys {
1790 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::pubkeys(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, );
1791 crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::ChannelPublicKeys<>) as *mut _) }, is_owned: false }
1793 extern "C" fn InMemorySigner_ChannelSigner_set_pubkeys(trait_self_arg: &ChannelSigner) {
1794 // This is a bit race-y in the general case, but for our specific use-cases today, we're safe
1795 // Specifically, we must ensure that the first time we're called it can never be in parallel
1796 if unsafe { &*trait_self_arg.pubkeys.get() }.inner.is_null() {
1797 *unsafe { &mut *(&*(trait_self_arg as *const ChannelSigner)).pubkeys.get() } = InMemorySigner_ChannelSigner_pubkeys(trait_self_arg.this_arg).into();
1801 extern "C" fn InMemorySigner_ChannelSigner_channel_keys_id(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
1802 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::channel_keys_id(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, );
1803 crate::c_types::ThirtyTwoBytes { data: ret }
1805 extern "C" fn InMemorySigner_ChannelSigner_provide_channel_parameters(this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters) {
1806 <nativeInMemorySigner as lightning::chain::keysinterface::ChannelSigner<>>::provide_channel_parameters(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, channel_parameters.get_native_ref())
1809 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::EcdsaChannelSigner {
1810 fn from(obj: nativeInMemorySigner) -> Self {
1811 let mut rust_obj = InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true };
1812 let mut ret = InMemorySigner_as_EcdsaChannelSigner(&rust_obj);
1813 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
1814 rust_obj.inner = core::ptr::null_mut();
1815 ret.free = Some(InMemorySigner_free_void);
1819 /// Constructs a new EcdsaChannelSigner which calls the relevant methods on this_arg.
1820 /// This copies the `inner` pointer in this_arg and thus the returned EcdsaChannelSigner must be freed before this_arg is
1822 pub extern "C" fn InMemorySigner_as_EcdsaChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::EcdsaChannelSigner {
1823 crate::lightning::chain::keysinterface::EcdsaChannelSigner {
1824 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1826 sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment,
1827 validate_counterparty_revocation: InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation,
1828 sign_holder_commitment_and_htlcs: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment_and_htlcs,
1829 sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output,
1830 sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc,
1831 sign_counterparty_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction,
1832 sign_closing_transaction: InMemorySigner_EcdsaChannelSigner_sign_closing_transaction,
1833 sign_holder_anchor_input: InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input,
1834 sign_channel_announcement_with_funding_key: InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key,
1835 ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner {
1836 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1838 get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point,
1839 release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret,
1840 validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment,
1842 pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(),
1843 set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys),
1844 channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id,
1845 provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters,
1851 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, mut preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ {
1852 let mut local_preimages = Vec::new(); for mut item in preimages.into_rust().drain(..) { local_preimages.push( { ::lightning::ln::PaymentPreimage(item.data) }); };
1853 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_counterparty_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, commitment_tx.get_native_ref(), local_preimages, secp256k1::global::SECP256K1);
1854 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1858 extern "C" fn InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation(this_arg: *const c_void, mut idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ {
1859 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::validate_counterparty_revocation(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *secret}[..]).unwrap());
1860 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1864 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_commitment_and_htlcs(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ {
1865 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_holder_commitment_and_htlcs(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, commitment_tx.get_native_ref(), secp256k1::global::SECP256K1);
1866 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1870 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32]) -> crate::c_types::derived::CResult_SignatureNoneZ {
1871 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_justice_revoked_output(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), secp256k1::global::SECP256K1);
1872 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1876 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ {
1877 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_justice_revoked_htlc(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), htlc.get_native_ref(), secp256k1::global::SECP256K1);
1878 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1882 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ {
1883 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_counterparty_htlc_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &htlc_tx.into_bitcoin(), input, amount, &per_commitment_point.into_rust(), htlc.get_native_ref(), secp256k1::global::SECP256K1);
1884 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1888 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_closing_transaction(this_arg: *const c_void, closing_tx: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ {
1889 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_closing_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, closing_tx.get_native_ref(), secp256k1::global::SECP256K1);
1890 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1894 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input(this_arg: *const c_void, mut anchor_tx: crate::c_types::Transaction, mut input: usize) -> crate::c_types::derived::CResult_SignatureNoneZ {
1895 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_holder_anchor_input(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &anchor_tx.into_bitcoin(), input, secp256k1::global::SECP256K1);
1896 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1900 extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key(this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ {
1901 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::EcdsaChannelSigner<>>::sign_channel_announcement_with_funding_key(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, msg.get_native_ref(), secp256k1::global::SECP256K1);
1902 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
1906 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
1907 fn from(obj: nativeInMemorySigner) -> Self {
1908 let mut rust_obj = InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true };
1909 let mut ret = InMemorySigner_as_WriteableEcdsaChannelSigner(&rust_obj);
1910 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
1911 rust_obj.inner = core::ptr::null_mut();
1912 ret.free = Some(InMemorySigner_free_void);
1916 /// Constructs a new WriteableEcdsaChannelSigner which calls the relevant methods on this_arg.
1917 /// This copies the `inner` pointer in this_arg and thus the returned WriteableEcdsaChannelSigner must be freed before this_arg is
1919 pub extern "C" fn InMemorySigner_as_WriteableEcdsaChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
1920 crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
1921 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1923 EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner {
1924 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1926 sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment,
1927 validate_counterparty_revocation: InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation,
1928 sign_holder_commitment_and_htlcs: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment_and_htlcs,
1929 sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output,
1930 sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc,
1931 sign_counterparty_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction,
1932 sign_closing_transaction: InMemorySigner_EcdsaChannelSigner_sign_closing_transaction,
1933 sign_holder_anchor_input: InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input,
1934 sign_channel_announcement_with_funding_key: InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key,
1935 ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner {
1936 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
1938 get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point,
1939 release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret,
1940 validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment,
1942 pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(),
1943 set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys),
1944 channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id,
1945 provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters,
1948 write: InMemorySigner_write_void,
1954 /// Serialize the InMemorySigner object into a byte array which can be read by InMemorySigner_read
1955 pub extern "C" fn InMemorySigner_write(obj: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::c_types::derived::CVec_u8Z {
1956 crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
1959 pub(crate) extern "C" fn InMemorySigner_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1960 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeInMemorySigner) })
1963 /// Read a InMemorySigner from a byte array, created by InMemorySigner_write
1964 pub extern "C" fn InMemorySigner_read(ser: crate::c_types::u8slice, arg: crate::lightning::chain::keysinterface::EntropySource) -> crate::c_types::derived::CResult_InMemorySignerDecodeErrorZ {
1966 let res: Result<lightning::chain::keysinterface::InMemorySigner, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj_arg(ser, arg_conv);
1967 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
1971 use lightning::chain::keysinterface::KeysManager as nativeKeysManagerImport;
1972 pub(crate) type nativeKeysManager = nativeKeysManagerImport;
1974 /// Simple implementation of [`EntropySource`], [`NodeSigner`], and [`SignerProvider`] that takes a
1975 /// 32-byte seed for use as a BIP 32 extended key and derives keys from that.
1977 /// Your `node_id` is seed/0'.
1978 /// Unilateral closes may use seed/1'.
1979 /// Cooperative closes may use seed/2'.
1980 /// The two close keys may be needed to claim on-chain funds!
1982 /// This struct cannot be used for nodes that wish to support receiving phantom payments;
1983 /// [`PhantomKeysManager`] must be used instead.
1985 /// Note that switching between this struct and [`PhantomKeysManager`] will invalidate any
1986 /// previously issued invoices and attempts to pay previous invoices will fail.
1989 pub struct KeysManager {
1990 /// A pointer to the opaque Rust object.
1992 /// Nearly everywhere, inner must be non-null, however in places where
1993 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1994 pub inner: *mut nativeKeysManager,
1995 /// Indicates that this is the only struct which contains the same pointer.
1997 /// Rust functions which take ownership of an object provided via an argument require
1998 /// this to be true and invalidate the object pointed to by inner.
2002 impl Drop for KeysManager {
2003 fn drop(&mut self) {
2004 if self.is_owned && !<*mut nativeKeysManager>::is_null(self.inner) {
2005 let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
2009 /// Frees any resources used by the KeysManager, if is_owned is set and inner is non-NULL.
2011 pub extern "C" fn KeysManager_free(this_obj: KeysManager) { }
2013 /// Used only if an object of this type is returned as a trait impl by a method
2014 pub(crate) extern "C" fn KeysManager_free_void(this_ptr: *mut c_void) {
2015 let _ = unsafe { Box::from_raw(this_ptr as *mut nativeKeysManager) };
2019 pub(crate) fn get_native_ref(&self) -> &'static nativeKeysManager {
2020 unsafe { &*ObjOps::untweak_ptr(self.inner) }
2022 pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeKeysManager {
2023 unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
2025 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
2026 pub(crate) fn take_inner(mut self) -> *mut nativeKeysManager {
2027 assert!(self.is_owned);
2028 let ret = ObjOps::untweak_ptr(self.inner);
2029 self.inner = core::ptr::null_mut();
2033 /// Constructs a [`KeysManager`] from a 32-byte seed. If the seed is in some way biased (e.g.,
2034 /// your CSRNG is busted) this may panic (but more importantly, you will possibly lose funds).
2035 /// `starting_time` isn't strictly required to actually be a time, but it must absolutely,
2036 /// without a doubt, be unique to this instance. ie if you start multiple times with the same
2037 /// `seed`, `starting_time` must be unique to each run. Thus, the easiest way to achieve this
2038 /// is to simply use the current time (with very high precision).
2040 /// The `seed` MUST be backed up safely prior to use so that the keys can be re-created, however,
2041 /// obviously, `starting_time` should be unique every time you reload the library - it is only
2042 /// used to generate new ephemeral key data (which will be stored by the individual channel if
2045 /// Note that the seed is required to recover certain on-chain funds independent of
2046 /// [`ChannelMonitor`] data, though a current copy of [`ChannelMonitor`] data is also required
2047 /// for any channel, and some on-chain during-closing funds.
2049 /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
2052 pub extern "C" fn KeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32) -> crate::lightning::chain::keysinterface::KeysManager {
2053 let mut ret = lightning::chain::keysinterface::KeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos);
2054 crate::lightning::chain::keysinterface::KeysManager { inner: ObjOps::heap_alloc(ret), is_owned: true }
2057 /// Gets the \"node_id\" secret key used to sign gossip announcements, decode onion data, etc.
2060 pub extern "C" fn KeysManager_get_node_secret_key(this_arg: &crate::lightning::chain::keysinterface::KeysManager) -> crate::c_types::SecretKey {
2061 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_node_secret_key();
2062 crate::c_types::SecretKey::from_rust(ret)
2065 /// Derive an old [`WriteableEcdsaChannelSigner`] containing per-channel secrets based on a key derivation parameters.
2068 pub extern "C" fn KeysManager_derive_channel_keys(this_arg: &crate::lightning::chain::keysinterface::KeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner {
2069 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params});
2070 crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true }
2073 /// Creates a [`Transaction`] which spends the given descriptors to the given outputs, plus an
2074 /// output to the given change destination (if sufficient change value remains). The
2075 /// transaction will have a feerate, at least, of the given value.
2077 /// Returns `Err(())` if the output value is greater than the input value minus required fee,
2078 /// if a descriptor was duplicated, or if an output descriptor `script_pubkey`
2079 /// does not match the one we can spend.
2081 /// We do not enforce that outputs meet the dust limit or that any output scripts are standard.
2083 /// May panic if the [`SpendableOutputDescriptor`]s were not generated by channels which used
2084 /// this [`KeysManager`] or one of the [`InMemorySigner`] created by this [`KeysManager`].
2087 pub extern "C" fn KeysManager_spend_spendable_outputs(this_arg: &crate::lightning::chain::keysinterface::KeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32) -> crate::c_types::derived::CResult_TransactionNoneZ {
2088 let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); };
2089 let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); };
2090 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::<Vec<_>>()[..], local_outputs, ::bitcoin::blockdata::script::Script::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, secp256k1::global::SECP256K1);
2091 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Transaction::from_bitcoin(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2095 impl From<nativeKeysManager> for crate::lightning::chain::keysinterface::EntropySource {
2096 fn from(obj: nativeKeysManager) -> Self {
2097 let mut rust_obj = KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2098 let mut ret = KeysManager_as_EntropySource(&rust_obj);
2099 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2100 rust_obj.inner = core::ptr::null_mut();
2101 ret.free = Some(KeysManager_free_void);
2105 /// Constructs a new EntropySource which calls the relevant methods on this_arg.
2106 /// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is
2108 pub extern "C" fn KeysManager_as_EntropySource(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::EntropySource {
2109 crate::lightning::chain::keysinterface::EntropySource {
2110 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2112 get_secure_random_bytes: KeysManager_EntropySource_get_secure_random_bytes,
2117 extern "C" fn KeysManager_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
2118 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::EntropySource<>>::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
2119 crate::c_types::ThirtyTwoBytes { data: ret }
2122 impl From<nativeKeysManager> for crate::lightning::chain::keysinterface::NodeSigner {
2123 fn from(obj: nativeKeysManager) -> Self {
2124 let mut rust_obj = KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2125 let mut ret = KeysManager_as_NodeSigner(&rust_obj);
2126 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2127 rust_obj.inner = core::ptr::null_mut();
2128 ret.free = Some(KeysManager_free_void);
2132 /// Constructs a new NodeSigner which calls the relevant methods on this_arg.
2133 /// This copies the `inner` pointer in this_arg and thus the returned NodeSigner must be freed before this_arg is
2135 pub extern "C" fn KeysManager_as_NodeSigner(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::NodeSigner {
2136 crate::lightning::chain::keysinterface::NodeSigner {
2137 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2139 get_inbound_payment_key_material: KeysManager_NodeSigner_get_inbound_payment_key_material,
2140 get_node_id: KeysManager_NodeSigner_get_node_id,
2141 ecdh: KeysManager_NodeSigner_ecdh,
2142 sign_invoice: KeysManager_NodeSigner_sign_invoice,
2143 sign_gossip_message: KeysManager_NodeSigner_sign_gossip_message,
2148 extern "C" fn KeysManager_NodeSigner_get_inbound_payment_key_material(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
2149 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::NodeSigner<>>::get_inbound_payment_key_material(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
2150 crate::c_types::ThirtyTwoBytes { data: ret.0 }
2153 extern "C" fn KeysManager_NodeSigner_get_node_id(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ {
2154 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::NodeSigner<>>::get_node_id(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, recipient.into_native());
2155 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2159 extern "C" fn KeysManager_NodeSigner_ecdh(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ {
2160 let mut local_tweak_base = { /*tweak*/ let tweak_opt = tweak; if tweak_opt.is_none() { None } else { Some({ { { tweak_opt.take() }.into_rust() }})} }; let mut local_tweak = local_tweak_base.as_ref();
2161 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::NodeSigner<>>::ecdh(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, recipient.into_native(), &other_key.into_rust(), local_tweak);
2162 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.secret_bytes() } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2166 extern "C" fn KeysManager_NodeSigner_sign_invoice(this_arg: *const c_void, mut hrp_bytes: crate::c_types::u8slice, mut invoice_data: crate::c_types::derived::CVec_U5Z, mut recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ {
2167 let mut local_invoice_data = Vec::new(); for mut item in invoice_data.into_rust().drain(..) { local_invoice_data.push( { item.into() }); };
2168 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::NodeSigner<>>::sign_invoice(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, hrp_bytes.to_slice(), &local_invoice_data[..], recipient.into_native());
2169 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::RecoverableSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2173 extern "C" fn KeysManager_NodeSigner_sign_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ {
2174 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::NodeSigner<>>::sign_gossip_message(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, msg.into_native());
2175 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2179 impl From<nativeKeysManager> for crate::lightning::chain::keysinterface::SignerProvider {
2180 fn from(obj: nativeKeysManager) -> Self {
2181 let mut rust_obj = KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2182 let mut ret = KeysManager_as_SignerProvider(&rust_obj);
2183 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2184 rust_obj.inner = core::ptr::null_mut();
2185 ret.free = Some(KeysManager_free_void);
2189 /// Constructs a new SignerProvider which calls the relevant methods on this_arg.
2190 /// This copies the `inner` pointer in this_arg and thus the returned SignerProvider must be freed before this_arg is
2192 pub extern "C" fn KeysManager_as_SignerProvider(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::SignerProvider {
2193 crate::lightning::chain::keysinterface::SignerProvider {
2194 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2196 generate_channel_keys_id: KeysManager_SignerProvider_generate_channel_keys_id,
2197 derive_channel_signer: KeysManager_SignerProvider_derive_channel_signer,
2198 read_chan_signer: KeysManager_SignerProvider_read_chan_signer,
2199 get_destination_script: KeysManager_SignerProvider_get_destination_script,
2200 get_shutdown_scriptpubkey: KeysManager_SignerProvider_get_shutdown_scriptpubkey,
2205 extern "C" fn KeysManager_SignerProvider_generate_channel_keys_id(this_arg: *const c_void, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes {
2206 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::SignerProvider<>>::generate_channel_keys_id(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, inbound, channel_value_satoshis, user_channel_id.into());
2207 crate::c_types::ThirtyTwoBytes { data: ret }
2210 extern "C" fn KeysManager_SignerProvider_derive_channel_signer(this_arg: *const c_void, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
2211 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::SignerProvider<>>::derive_channel_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, channel_value_satoshis, channel_keys_id.data);
2215 extern "C" fn KeysManager_SignerProvider_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ {
2216 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::SignerProvider<>>::read_chan_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, reader.to_slice());
2217 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { Into::into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
2221 extern "C" fn KeysManager_SignerProvider_get_destination_script(this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z {
2222 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::SignerProvider<>>::get_destination_script(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
2223 ret.into_bytes().into()
2226 extern "C" fn KeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript {
2227 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::SignerProvider<>>::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
2228 crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true }
2232 use lightning::chain::keysinterface::PhantomKeysManager as nativePhantomKeysManagerImport;
2233 pub(crate) type nativePhantomKeysManager = nativePhantomKeysManagerImport;
2235 /// Similar to [`KeysManager`], but allows the node using this struct to receive phantom node
2238 /// A phantom node payment is a payment made to a phantom invoice, which is an invoice that can be
2239 /// paid to one of multiple nodes. This works because we encode the invoice route hints such that
2240 /// LDK will recognize an incoming payment as destined for a phantom node, and collect the payment
2241 /// itself without ever needing to forward to this fake node.
2243 /// Phantom node payments are useful for load balancing between multiple LDK nodes. They also
2244 /// provide some fault tolerance, because payers will automatically retry paying other provided
2245 /// nodes in the case that one node goes down.
2247 /// Note that multi-path payments are not supported in phantom invoices for security reasons.
2248 /// Switching between this struct and [`KeysManager`] will invalidate any previously issued
2249 /// invoices and attempts to pay previous invoices will fail.
2252 pub struct PhantomKeysManager {
2253 /// A pointer to the opaque Rust object.
2255 /// Nearly everywhere, inner must be non-null, however in places where
2256 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
2257 pub inner: *mut nativePhantomKeysManager,
2258 /// Indicates that this is the only struct which contains the same pointer.
2260 /// Rust functions which take ownership of an object provided via an argument require
2261 /// this to be true and invalidate the object pointed to by inner.
2265 impl Drop for PhantomKeysManager {
2266 fn drop(&mut self) {
2267 if self.is_owned && !<*mut nativePhantomKeysManager>::is_null(self.inner) {
2268 let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
2272 /// Frees any resources used by the PhantomKeysManager, if is_owned is set and inner is non-NULL.
2274 pub extern "C" fn PhantomKeysManager_free(this_obj: PhantomKeysManager) { }
2276 /// Used only if an object of this type is returned as a trait impl by a method
2277 pub(crate) extern "C" fn PhantomKeysManager_free_void(this_ptr: *mut c_void) {
2278 let _ = unsafe { Box::from_raw(this_ptr as *mut nativePhantomKeysManager) };
2281 impl PhantomKeysManager {
2282 pub(crate) fn get_native_ref(&self) -> &'static nativePhantomKeysManager {
2283 unsafe { &*ObjOps::untweak_ptr(self.inner) }
2285 pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativePhantomKeysManager {
2286 unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
2288 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
2289 pub(crate) fn take_inner(mut self) -> *mut nativePhantomKeysManager {
2290 assert!(self.is_owned);
2291 let ret = ObjOps::untweak_ptr(self.inner);
2292 self.inner = core::ptr::null_mut();
2296 impl From<nativePhantomKeysManager> for crate::lightning::chain::keysinterface::EntropySource {
2297 fn from(obj: nativePhantomKeysManager) -> Self {
2298 let mut rust_obj = PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2299 let mut ret = PhantomKeysManager_as_EntropySource(&rust_obj);
2300 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2301 rust_obj.inner = core::ptr::null_mut();
2302 ret.free = Some(PhantomKeysManager_free_void);
2306 /// Constructs a new EntropySource which calls the relevant methods on this_arg.
2307 /// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is
2309 pub extern "C" fn PhantomKeysManager_as_EntropySource(this_arg: &PhantomKeysManager) -> crate::lightning::chain::keysinterface::EntropySource {
2310 crate::lightning::chain::keysinterface::EntropySource {
2311 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2313 get_secure_random_bytes: PhantomKeysManager_EntropySource_get_secure_random_bytes,
2318 extern "C" fn PhantomKeysManager_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
2319 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::EntropySource<>>::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, );
2320 crate::c_types::ThirtyTwoBytes { data: ret }
2323 impl From<nativePhantomKeysManager> for crate::lightning::chain::keysinterface::NodeSigner {
2324 fn from(obj: nativePhantomKeysManager) -> Self {
2325 let mut rust_obj = PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2326 let mut ret = PhantomKeysManager_as_NodeSigner(&rust_obj);
2327 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2328 rust_obj.inner = core::ptr::null_mut();
2329 ret.free = Some(PhantomKeysManager_free_void);
2333 /// Constructs a new NodeSigner which calls the relevant methods on this_arg.
2334 /// This copies the `inner` pointer in this_arg and thus the returned NodeSigner must be freed before this_arg is
2336 pub extern "C" fn PhantomKeysManager_as_NodeSigner(this_arg: &PhantomKeysManager) -> crate::lightning::chain::keysinterface::NodeSigner {
2337 crate::lightning::chain::keysinterface::NodeSigner {
2338 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2340 get_inbound_payment_key_material: PhantomKeysManager_NodeSigner_get_inbound_payment_key_material,
2341 get_node_id: PhantomKeysManager_NodeSigner_get_node_id,
2342 ecdh: PhantomKeysManager_NodeSigner_ecdh,
2343 sign_invoice: PhantomKeysManager_NodeSigner_sign_invoice,
2344 sign_gossip_message: PhantomKeysManager_NodeSigner_sign_gossip_message,
2349 extern "C" fn PhantomKeysManager_NodeSigner_get_inbound_payment_key_material(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
2350 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::NodeSigner<>>::get_inbound_payment_key_material(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, );
2351 crate::c_types::ThirtyTwoBytes { data: ret.0 }
2354 extern "C" fn PhantomKeysManager_NodeSigner_get_node_id(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ {
2355 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::NodeSigner<>>::get_node_id(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, recipient.into_native());
2356 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2360 extern "C" fn PhantomKeysManager_NodeSigner_ecdh(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ {
2361 let mut local_tweak_base = { /*tweak*/ let tweak_opt = tweak; if tweak_opt.is_none() { None } else { Some({ { { tweak_opt.take() }.into_rust() }})} }; let mut local_tweak = local_tweak_base.as_ref();
2362 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::NodeSigner<>>::ecdh(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, recipient.into_native(), &other_key.into_rust(), local_tweak);
2363 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.secret_bytes() } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2367 extern "C" fn PhantomKeysManager_NodeSigner_sign_invoice(this_arg: *const c_void, mut hrp_bytes: crate::c_types::u8slice, mut invoice_data: crate::c_types::derived::CVec_U5Z, mut recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ {
2368 let mut local_invoice_data = Vec::new(); for mut item in invoice_data.into_rust().drain(..) { local_invoice_data.push( { item.into() }); };
2369 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::NodeSigner<>>::sign_invoice(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, hrp_bytes.to_slice(), &local_invoice_data[..], recipient.into_native());
2370 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::RecoverableSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2374 extern "C" fn PhantomKeysManager_NodeSigner_sign_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ {
2375 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::NodeSigner<>>::sign_gossip_message(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, msg.into_native());
2376 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2380 impl From<nativePhantomKeysManager> for crate::lightning::chain::keysinterface::SignerProvider {
2381 fn from(obj: nativePhantomKeysManager) -> Self {
2382 let mut rust_obj = PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true };
2383 let mut ret = PhantomKeysManager_as_SignerProvider(&rust_obj);
2384 // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn
2385 rust_obj.inner = core::ptr::null_mut();
2386 ret.free = Some(PhantomKeysManager_free_void);
2390 /// Constructs a new SignerProvider which calls the relevant methods on this_arg.
2391 /// This copies the `inner` pointer in this_arg and thus the returned SignerProvider must be freed before this_arg is
2393 pub extern "C" fn PhantomKeysManager_as_SignerProvider(this_arg: &PhantomKeysManager) -> crate::lightning::chain::keysinterface::SignerProvider {
2394 crate::lightning::chain::keysinterface::SignerProvider {
2395 this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void },
2397 generate_channel_keys_id: PhantomKeysManager_SignerProvider_generate_channel_keys_id,
2398 derive_channel_signer: PhantomKeysManager_SignerProvider_derive_channel_signer,
2399 read_chan_signer: PhantomKeysManager_SignerProvider_read_chan_signer,
2400 get_destination_script: PhantomKeysManager_SignerProvider_get_destination_script,
2401 get_shutdown_scriptpubkey: PhantomKeysManager_SignerProvider_get_shutdown_scriptpubkey,
2406 extern "C" fn PhantomKeysManager_SignerProvider_generate_channel_keys_id(this_arg: *const c_void, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes {
2407 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::SignerProvider<>>::generate_channel_keys_id(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, inbound, channel_value_satoshis, user_channel_id.into());
2408 crate::c_types::ThirtyTwoBytes { data: ret }
2411 extern "C" fn PhantomKeysManager_SignerProvider_derive_channel_signer(this_arg: *const c_void, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner {
2412 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::SignerProvider<>>::derive_channel_signer(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, channel_value_satoshis, channel_keys_id.data);
2416 extern "C" fn PhantomKeysManager_SignerProvider_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ {
2417 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::SignerProvider<>>::read_chan_signer(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, reader.to_slice());
2418 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { Into::into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
2422 extern "C" fn PhantomKeysManager_SignerProvider_get_destination_script(this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z {
2423 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::SignerProvider<>>::get_destination_script(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, );
2424 ret.into_bytes().into()
2427 extern "C" fn PhantomKeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript {
2428 let mut ret = <nativePhantomKeysManager as lightning::chain::keysinterface::SignerProvider<>>::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, );
2429 crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true }
2432 /// Constructs a [`PhantomKeysManager`] given a 32-byte seed and an additional `cross_node_seed`
2433 /// that is shared across all nodes that intend to participate in [phantom node payments]
2436 /// See [`KeysManager::new`] for more information on `seed`, `starting_time_secs`, and
2437 /// `starting_time_nanos`.
2439 /// `cross_node_seed` must be the same across all phantom payment-receiving nodes and also the
2440 /// same across restarts, or else inbound payments may fail.
2442 /// [phantom node payments]: PhantomKeysManager
2445 pub extern "C" fn PhantomKeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32, cross_node_seed: *const [u8; 32]) -> crate::lightning::chain::keysinterface::PhantomKeysManager {
2446 let mut ret = lightning::chain::keysinterface::PhantomKeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos, unsafe { &*cross_node_seed});
2447 crate::lightning::chain::keysinterface::PhantomKeysManager { inner: ObjOps::heap_alloc(ret), is_owned: true }
2450 /// See [`KeysManager::spend_spendable_outputs`] for documentation on this method.
2453 pub extern "C" fn PhantomKeysManager_spend_spendable_outputs(this_arg: &crate::lightning::chain::keysinterface::PhantomKeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32) -> crate::c_types::derived::CResult_TransactionNoneZ {
2454 let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); };
2455 let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); };
2456 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::<Vec<_>>()[..], local_outputs, ::bitcoin::blockdata::script::Script::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, secp256k1::global::SECP256K1);
2457 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Transaction::from_bitcoin(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
2461 /// See [`KeysManager::derive_channel_keys`] for documentation on this method.
2464 pub extern "C" fn PhantomKeysManager_derive_channel_keys(this_arg: &crate::lightning::chain::keysinterface::PhantomKeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner {
2465 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params});
2466 crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true }
2469 /// Gets the \"node_id\" secret key used to sign gossip announcements, decode onion data, etc.
2472 pub extern "C" fn PhantomKeysManager_get_node_secret_key(this_arg: &crate::lightning::chain::keysinterface::PhantomKeysManager) -> crate::c_types::SecretKey {
2473 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_node_secret_key();
2474 crate::c_types::SecretKey::from_rust(ret)
2477 /// Gets the \"node_id\" secret key of the phantom node used to sign invoices, decode the
2478 /// last-hop onion data, etc.
2481 pub extern "C" fn PhantomKeysManager_get_phantom_node_secret_key(this_arg: &crate::lightning::chain::keysinterface::PhantomKeysManager) -> crate::c_types::SecretKey {
2482 let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_phantom_node_secret_key();
2483 crate::c_types::SecretKey::from_rust(ret)