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 //! keysinterface provides keys into rust-lightning and defines some useful enums which describe
10 //! spendable on-chain outputs which the user owns and is responsible for using just as any other
11 //! on-chain output which is theirs.
13 use std::str::FromStr;
15 use bitcoin::hashes::Hash;
16 use crate::c_types::*;
19 use lightning::chain::keysinterface::DelayedPaymentOutputDescriptor as nativeDelayedPaymentOutputDescriptorImport;
20 type nativeDelayedPaymentOutputDescriptor = nativeDelayedPaymentOutputDescriptorImport;
22 /// Information about a spendable output to a P2WSH script. See
23 /// SpendableOutputDescriptor::DelayedPaymentOutput for more details on how to spend this.
26 pub struct DelayedPaymentOutputDescriptor {
27 /// A pointer to the opaque Rust object.
29 /// Nearly everywhere, inner must be non-null, however in places where
30 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
31 pub inner: *mut nativeDelayedPaymentOutputDescriptor,
32 /// Indicates that this is the only struct which contains the same pointer.
34 /// Rust functions which take ownership of an object provided via an argument require
35 /// this to be true and invalidate the object pointed to by inner.
39 impl Drop for DelayedPaymentOutputDescriptor {
41 if self.is_owned && !<*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) {
42 let _ = unsafe { Box::from_raw(self.inner) };
46 /// Frees any resources used by the DelayedPaymentOutputDescriptor, if is_owned is set and inner is non-NULL.
48 pub extern "C" fn DelayedPaymentOutputDescriptor_free(this_obj: DelayedPaymentOutputDescriptor) { }
50 /// Used only if an object of this type is returned as a trait impl by a method
51 extern "C" fn DelayedPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) {
52 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeDelayedPaymentOutputDescriptor); }
55 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
56 impl DelayedPaymentOutputDescriptor {
57 pub(crate) fn take_inner(mut self) -> *mut nativeDelayedPaymentOutputDescriptor {
58 assert!(self.is_owned);
60 self.inner = std::ptr::null_mut();
64 /// The outpoint which is spendable
66 pub extern "C" fn DelayedPaymentOutputDescriptor_get_outpoint(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint {
67 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.outpoint;
68 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false }
70 /// The outpoint which is spendable
72 pub extern "C" fn DelayedPaymentOutputDescriptor_set_outpoint(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) {
73 unsafe { &mut *this_ptr.inner }.outpoint = *unsafe { Box::from_raw(val.take_inner()) };
75 /// Per commitment point to derive delayed_payment_key by key holder
77 pub extern "C" fn DelayedPaymentOutputDescriptor_get_per_commitment_point(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::PublicKey {
78 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.per_commitment_point;
79 crate::c_types::PublicKey::from_rust(&inner_val)
81 /// Per commitment point to derive delayed_payment_key by key holder
83 pub extern "C" fn DelayedPaymentOutputDescriptor_set_per_commitment_point(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::PublicKey) {
84 unsafe { &mut *this_ptr.inner }.per_commitment_point = val.into_rust();
86 /// The nSequence value which must be set in the spending input to satisfy the OP_CSV in
87 /// the witness_script.
89 pub extern "C" fn DelayedPaymentOutputDescriptor_get_to_self_delay(this_ptr: &DelayedPaymentOutputDescriptor) -> u16 {
90 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.to_self_delay;
93 /// The nSequence value which must be set in the spending input to satisfy the OP_CSV in
94 /// the witness_script.
96 pub extern "C" fn DelayedPaymentOutputDescriptor_set_to_self_delay(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u16) {
97 unsafe { &mut *this_ptr.inner }.to_self_delay = val;
99 /// The output which is referenced by the given outpoint
101 pub extern "C" fn DelayedPaymentOutputDescriptor_set_output(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::TxOut) {
102 unsafe { &mut *this_ptr.inner }.output = val.into_rust();
104 /// The revocation point specific to the commitment transaction which was broadcast. Used to
105 /// derive the witnessScript for this output.
107 pub extern "C" fn DelayedPaymentOutputDescriptor_get_revocation_pubkey(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::PublicKey {
108 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_pubkey;
109 crate::c_types::PublicKey::from_rust(&inner_val)
111 /// The revocation point specific to the commitment transaction which was broadcast. Used to
112 /// derive the witnessScript for this output.
114 pub extern "C" fn DelayedPaymentOutputDescriptor_set_revocation_pubkey(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::PublicKey) {
115 unsafe { &mut *this_ptr.inner }.revocation_pubkey = val.into_rust();
117 /// Arbitrary identification information returned by a call to
118 /// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in
119 /// the channel to spend the output.
121 pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &DelayedPaymentOutputDescriptor) -> *const [u8; 32] {
122 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_keys_id;
125 /// Arbitrary identification information returned by a call to
126 /// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in
127 /// the channel to spend the output.
129 pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) {
130 unsafe { &mut *this_ptr.inner }.channel_keys_id = val.data;
132 /// The value of the channel which this output originated from, possibly indirectly.
134 pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &DelayedPaymentOutputDescriptor) -> u64 {
135 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_value_satoshis;
138 /// The value of the channel which this output originated from, possibly indirectly.
140 pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u64) {
141 unsafe { &mut *this_ptr.inner }.channel_value_satoshis = val;
143 /// Constructs a new DelayedPaymentOutputDescriptor given each field
146 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 {
147 DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(nativeDelayedPaymentOutputDescriptor {
148 outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) },
149 per_commitment_point: per_commitment_point_arg.into_rust(),
150 to_self_delay: to_self_delay_arg,
151 output: output_arg.into_rust(),
152 revocation_pubkey: revocation_pubkey_arg.into_rust(),
153 channel_keys_id: channel_keys_id_arg.data,
154 channel_value_satoshis: channel_value_satoshis_arg,
155 })), is_owned: true }
157 impl Clone for DelayedPaymentOutputDescriptor {
158 fn clone(&self) -> Self {
160 inner: if <*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) { std::ptr::null_mut() } else {
161 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
167 /// Used only if an object of this type is returned as a trait impl by a method
168 pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void {
169 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeDelayedPaymentOutputDescriptor)).clone() })) as *mut c_void
172 /// Creates a copy of the DelayedPaymentOutputDescriptor
173 pub extern "C" fn DelayedPaymentOutputDescriptor_clone(orig: &DelayedPaymentOutputDescriptor) -> DelayedPaymentOutputDescriptor {
177 /// Serialize the DelayedPaymentOutputDescriptor object into a byte array which can be read by DelayedPaymentOutputDescriptor_read
178 pub extern "C" fn DelayedPaymentOutputDescriptor_write(obj: &DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
179 crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
182 pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
183 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeDelayedPaymentOutputDescriptor) })
186 /// Read a DelayedPaymentOutputDescriptor from a byte array, created by DelayedPaymentOutputDescriptor_write
187 pub extern "C" fn DelayedPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_DelayedPaymentOutputDescriptorDecodeErrorZ {
188 let res = crate::c_types::deserialize_obj(ser);
189 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
193 use lightning::chain::keysinterface::StaticPaymentOutputDescriptor as nativeStaticPaymentOutputDescriptorImport;
194 type nativeStaticPaymentOutputDescriptor = nativeStaticPaymentOutputDescriptorImport;
196 /// Information about a spendable output to our \"payment key\". See
197 /// SpendableOutputDescriptor::StaticPaymentOutput for more details on how to spend this.
200 pub struct StaticPaymentOutputDescriptor {
201 /// A pointer to the opaque Rust object.
203 /// Nearly everywhere, inner must be non-null, however in places where
204 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
205 pub inner: *mut nativeStaticPaymentOutputDescriptor,
206 /// Indicates that this is the only struct which contains the same pointer.
208 /// Rust functions which take ownership of an object provided via an argument require
209 /// this to be true and invalidate the object pointed to by inner.
213 impl Drop for StaticPaymentOutputDescriptor {
215 if self.is_owned && !<*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) {
216 let _ = unsafe { Box::from_raw(self.inner) };
220 /// Frees any resources used by the StaticPaymentOutputDescriptor, if is_owned is set and inner is non-NULL.
222 pub extern "C" fn StaticPaymentOutputDescriptor_free(this_obj: StaticPaymentOutputDescriptor) { }
224 /// Used only if an object of this type is returned as a trait impl by a method
225 extern "C" fn StaticPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) {
226 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeStaticPaymentOutputDescriptor); }
229 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
230 impl StaticPaymentOutputDescriptor {
231 pub(crate) fn take_inner(mut self) -> *mut nativeStaticPaymentOutputDescriptor {
232 assert!(self.is_owned);
233 let ret = self.inner;
234 self.inner = std::ptr::null_mut();
238 /// The outpoint which is spendable
240 pub extern "C" fn StaticPaymentOutputDescriptor_get_outpoint(this_ptr: &StaticPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint {
241 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.outpoint;
242 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false }
244 /// The outpoint which is spendable
246 pub extern "C" fn StaticPaymentOutputDescriptor_set_outpoint(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) {
247 unsafe { &mut *this_ptr.inner }.outpoint = *unsafe { Box::from_raw(val.take_inner()) };
249 /// The output which is referenced by the given outpoint
251 pub extern "C" fn StaticPaymentOutputDescriptor_set_output(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::TxOut) {
252 unsafe { &mut *this_ptr.inner }.output = val.into_rust();
254 /// Arbitrary identification information returned by a call to
255 /// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in
256 /// the channel to spend the output.
258 pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &StaticPaymentOutputDescriptor) -> *const [u8; 32] {
259 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_keys_id;
262 /// Arbitrary identification information returned by a call to
263 /// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in
264 /// the channel to spend the output.
266 pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) {
267 unsafe { &mut *this_ptr.inner }.channel_keys_id = val.data;
269 /// The value of the channel which this transactions spends.
271 pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &StaticPaymentOutputDescriptor) -> u64 {
272 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_value_satoshis;
275 /// The value of the channel which this transactions spends.
277 pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: u64) {
278 unsafe { &mut *this_ptr.inner }.channel_value_satoshis = val;
280 /// Constructs a new StaticPaymentOutputDescriptor given each field
283 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 {
284 StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(nativeStaticPaymentOutputDescriptor {
285 outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) },
286 output: output_arg.into_rust(),
287 channel_keys_id: channel_keys_id_arg.data,
288 channel_value_satoshis: channel_value_satoshis_arg,
289 })), is_owned: true }
291 impl Clone for StaticPaymentOutputDescriptor {
292 fn clone(&self) -> Self {
294 inner: if <*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) { std::ptr::null_mut() } else {
295 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
301 /// Used only if an object of this type is returned as a trait impl by a method
302 pub(crate) extern "C" fn StaticPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void {
303 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeStaticPaymentOutputDescriptor)).clone() })) as *mut c_void
306 /// Creates a copy of the StaticPaymentOutputDescriptor
307 pub extern "C" fn StaticPaymentOutputDescriptor_clone(orig: &StaticPaymentOutputDescriptor) -> StaticPaymentOutputDescriptor {
311 /// Serialize the StaticPaymentOutputDescriptor object into a byte array which can be read by StaticPaymentOutputDescriptor_read
312 pub extern "C" fn StaticPaymentOutputDescriptor_write(obj: &StaticPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
313 crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
316 pub(crate) extern "C" fn StaticPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
317 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeStaticPaymentOutputDescriptor) })
320 /// Read a StaticPaymentOutputDescriptor from a byte array, created by StaticPaymentOutputDescriptor_write
321 pub extern "C" fn StaticPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_StaticPaymentOutputDescriptorDecodeErrorZ {
322 let res = crate::c_types::deserialize_obj(ser);
323 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
326 /// When on-chain outputs are created by rust-lightning (which our counterparty is not able to
327 /// claim at any point in the future) an event is generated which you must track and be able to
328 /// spend on-chain. The information needed to do this is provided in this enum, including the
329 /// outpoint describing which txid and output index is available, the full output which exists at
330 /// that txid/index, and any keys or other information required to sign.
334 pub enum SpendableOutputDescriptor {
335 /// An output to a script which was provided via KeysInterface directly, either from
336 /// `get_destination_script()` or `get_shutdown_pubkey()`, thus you should already know how to
337 /// spend it. No secret keys are provided as rust-lightning was never given any key.
338 /// These may include outputs from a transaction punishing our counterparty or claiming an HTLC
339 /// on-chain using the payment preimage or after it has timed out.
341 /// The outpoint which is spendable
342 outpoint: crate::lightning::chain::transaction::OutPoint,
343 /// The output which is referenced by the given outpoint.
344 output: crate::c_types::TxOut,
346 /// An output to a P2WSH script which can be spent with a single signature after a CSV delay.
348 /// The witness in the spending input should be:
349 /// <BIP 143 signature> <empty vector> (MINIMALIF standard rule) <provided witnessScript>
351 /// Note that the nSequence field in the spending input must be set to to_self_delay
352 /// (which means the transaction is not broadcastable until at least to_self_delay
353 /// blocks after the outpoint confirms).
355 /// These are generally the result of a \"revocable\" output to us, spendable only by us unless
356 /// it is an output from an old state which we broadcast (which should never happen).
358 /// To derive the delayed_payment key which is used to sign for this input, you must pass the
359 /// holder delayed_payment_base_key (ie the private key which corresponds to the pubkey in
360 /// Sign::pubkeys().delayed_payment_basepoint) and the provided per_commitment_point to
361 /// chan_utils::derive_private_key. The public key can be generated without the secret key
362 /// using chan_utils::derive_public_key and only the delayed_payment_basepoint which appears in
365 /// To derive the revocation_pubkey provided here (which is used in the witness
366 /// script generation), you must pass the counterparty revocation_basepoint (which appears in the
367 /// call to Sign::ready_channel) and the provided per_commitment point
368 /// to chan_utils::derive_public_revocation_key.
370 /// The witness script which is hashed and included in the output script_pubkey may be
371 /// regenerated by passing the revocation_pubkey (derived as above), our delayed_payment pubkey
372 /// (derived as above), and the to_self_delay contained here to
373 /// chan_utils::get_revokeable_redeemscript.
374 DelayedPaymentOutput(crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor),
375 /// An output to a P2WPKH, spendable exclusively by our payment key (ie the private key which
376 /// corresponds to the public key in Sign::pubkeys().payment_point).
377 /// The witness in the spending input, is, thus, simply:
378 /// <BIP 143 signature> <payment key>
380 /// These are generally the result of our counterparty having broadcast the current state,
381 /// allowing us to claim the non-HTLC-encumbered outputs immediately.
382 StaticPaymentOutput(crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor),
384 use lightning::chain::keysinterface::SpendableOutputDescriptor as nativeSpendableOutputDescriptor;
385 impl SpendableOutputDescriptor {
387 pub(crate) fn to_native(&self) -> nativeSpendableOutputDescriptor {
389 SpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, } => {
390 let mut outpoint_nonref = (*outpoint).clone();
391 let mut output_nonref = (*output).clone();
392 nativeSpendableOutputDescriptor::StaticOutput {
393 outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) },
394 output: output_nonref.into_rust(),
397 SpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => {
398 let mut a_nonref = (*a).clone();
399 nativeSpendableOutputDescriptor::DelayedPaymentOutput (
400 *unsafe { Box::from_raw(a_nonref.take_inner()) },
403 SpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => {
404 let mut a_nonref = (*a).clone();
405 nativeSpendableOutputDescriptor::StaticPaymentOutput (
406 *unsafe { Box::from_raw(a_nonref.take_inner()) },
412 pub(crate) fn into_native(self) -> nativeSpendableOutputDescriptor {
414 SpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => {
415 nativeSpendableOutputDescriptor::StaticOutput {
416 outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) },
417 output: output.into_rust(),
420 SpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => {
421 nativeSpendableOutputDescriptor::DelayedPaymentOutput (
422 *unsafe { Box::from_raw(a.take_inner()) },
425 SpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => {
426 nativeSpendableOutputDescriptor::StaticPaymentOutput (
427 *unsafe { Box::from_raw(a.take_inner()) },
433 pub(crate) fn from_native(native: &nativeSpendableOutputDescriptor) -> Self {
435 nativeSpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, } => {
436 let mut outpoint_nonref = (*outpoint).clone();
437 let mut output_nonref = (*output).clone();
438 SpendableOutputDescriptor::StaticOutput {
439 outpoint: crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint_nonref)), is_owned: true },
440 output: crate::c_types::TxOut::from_rust(output_nonref),
443 nativeSpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => {
444 let mut a_nonref = (*a).clone();
445 SpendableOutputDescriptor::DelayedPaymentOutput (
446 crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true },
449 nativeSpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => {
450 let mut a_nonref = (*a).clone();
451 SpendableOutputDescriptor::StaticPaymentOutput (
452 crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true },
458 pub(crate) fn native_into(native: nativeSpendableOutputDescriptor) -> Self {
460 nativeSpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => {
461 SpendableOutputDescriptor::StaticOutput {
462 outpoint: crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint)), is_owned: true },
463 output: crate::c_types::TxOut::from_rust(output),
466 nativeSpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => {
467 SpendableOutputDescriptor::DelayedPaymentOutput (
468 crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a)), is_owned: true },
471 nativeSpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => {
472 SpendableOutputDescriptor::StaticPaymentOutput (
473 crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a)), is_owned: true },
479 /// Frees any resources used by the SpendableOutputDescriptor
481 pub extern "C" fn SpendableOutputDescriptor_free(this_ptr: SpendableOutputDescriptor) { }
482 /// Creates a copy of the SpendableOutputDescriptor
484 pub extern "C" fn SpendableOutputDescriptor_clone(orig: &SpendableOutputDescriptor) -> SpendableOutputDescriptor {
488 /// Serialize the SpendableOutputDescriptor object into a byte array which can be read by SpendableOutputDescriptor_read
489 pub extern "C" fn SpendableOutputDescriptor_write(obj: &SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z {
490 crate::c_types::serialize_obj(&unsafe { &*obj }.to_native())
493 /// Read a SpendableOutputDescriptor from a byte array, created by SpendableOutputDescriptor_write
494 pub extern "C" fn SpendableOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SpendableOutputDescriptorDecodeErrorZ {
495 let res = crate::c_types::deserialize_obj(ser);
496 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 { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
499 /// A trait to sign lightning channel transactions as described in BOLT 3.
501 /// Signing services could be implemented on a hardware wallet. In this case,
502 /// the current Sign would be a front-end on top of a communication
503 /// channel connected to your secure device and lightning key material wouldn't
504 /// reside on a hot server. Nevertheless, a this deployment would still need
505 /// to trust the ChannelManager to avoid loss of funds as this latest component
506 /// could ask to sign commitment transaction with HTLCs paying to attacker pubkeys.
508 /// A more secure iteration would be to use hashlock (or payment points) to pair
509 /// invoice/incoming HTLCs with outgoing HTLCs to implement a no-trust-ChannelManager
510 /// at the price of more state and computation on the hardware wallet side. In the future,
511 /// we are looking forward to design such interface.
513 /// In any case, ChannelMonitor or fallback watchtowers are always going to be trusted
514 /// to act, as liveness and breach reply correctness are always going to be hard requirements
515 /// of LN security model, orthogonal of key management issues.
517 pub struct BaseSign {
518 /// An opaque pointer which is passed to your function implementations as an argument.
519 /// This has no meaning in the LDK, and can be NULL or any other value.
520 pub this_arg: *mut c_void,
521 /// Gets the per-commitment point for a specific commitment number
523 /// Note that the commitment number starts at (1 << 48) - 1 and counts backwards.
525 pub get_per_commitment_point: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::PublicKey,
526 /// Gets the commitment secret for a specific commitment number as part of the revocation process
528 /// An external signer implementation should error here if the commitment was already signed
529 /// and should refuse to sign it in the future.
531 /// May be called more than once for the same index.
533 /// Note that the commitment number starts at (1 << 48) - 1 and counts backwards.
535 pub release_commitment_secret: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::ThirtyTwoBytes,
536 /// Gets the holder's channel public keys and basepoints
537 pub pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys,
538 /// Fill in the pubkeys field as a reference to it will be given to Rust after this returns
539 /// Note that this takes a pointer to this object, not the this_ptr like other methods do
540 /// This function pointer may be NULL if pubkeys is filled in when this object is created and never needs updating.
541 pub set_pubkeys: Option<extern "C" fn(&BaseSign)>,
542 /// Gets an arbitrary identifier describing the set of keys which are provided back to you in
543 /// some SpendableOutputDescriptor types. This should be sufficient to identify this
544 /// Sign object uniquely and lookup or re-derive its keys.
546 pub channel_keys_id: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes,
547 /// Create a signature for a counterparty's commitment transaction and associated HTLC transactions.
549 /// Note that if signing fails or is rejected, the channel will be force-closed.
551 pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ,
552 /// Create a signatures for a holder's commitment transaction and its claiming HTLC transactions.
553 /// This will only ever be called with a non-revoked commitment_tx. This will be called with the
554 /// latest commitment_tx when we initiate a force-close.
555 /// This will be called with the previous latest, just to get claiming HTLC signatures, if we are
556 /// reacting to a ChannelMonitor replica that decided to broadcast before it had been updated to
558 /// This may be called multiple times for the same transaction.
560 /// An external signer implementation should check that the commitment has not been revoked.
562 /// May return Err if key derivation fails. Callers, such as ChannelMonitor, will panic in such a case.
564 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,
565 /// Create a signature for the given input in a transaction spending an HTLC transaction output
566 /// or a commitment transaction `to_local` output when our counterparty broadcasts an old state.
568 /// A justice transaction may claim multiple outputs at the same time if timelocks are
569 /// similar, but only a signature for the input at index `input` should be signed for here.
570 /// It may be called multiple times for same output(s) if a fee-bump is needed with regards
571 /// to an upcoming timelock expiration.
573 /// Amount is value of the output spent by this input, committed to in the BIP 143 signature.
575 /// per_commitment_key is revocation secret which was provided by our counterparty when they
576 /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does
577 /// not allow the spending of any funds by itself (you need our holder revocation_secret to do
580 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,
581 /// Create a signature for the given input in a transaction spending a commitment transaction
582 /// HTLC output when our counterparty broadcasts an old state.
584 /// A justice transaction may claim multiple outputs at the same time if timelocks are
585 /// similar, but only a signature for the input at index `input` should be signed for here.
586 /// It may be called multiple times for same output(s) if a fee-bump is needed with regards
587 /// to an upcoming timelock expiration.
589 /// Amount is value of the output spent by this input, committed to in the BIP 143 signature.
591 /// per_commitment_key is revocation secret which was provided by our counterparty when they
592 /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does
593 /// not allow the spending of any funds by itself (you need our holder revocation_secret to do
596 /// htlc holds HTLC elements (hash, timelock), thus changing the format of the witness script
597 /// (which is committed to in the BIP 143 signatures).
599 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,
600 /// Create a signature for a claiming transaction for a HTLC output on a counterparty's commitment
601 /// transaction, either offered or received.
603 /// Such a transaction may claim multiples offered outputs at same time if we know the
604 /// preimage for each when we create it, but only the input at index `input` should be
605 /// signed for here. It may be called multiple times for same output(s) if a fee-bump is
606 /// needed with regards to an upcoming timelock expiration.
608 /// Witness_script is either a offered or received script as defined in BOLT3 for HTLC
611 /// Amount is value of the output spent by this input, committed to in the BIP 143 signature.
613 /// Per_commitment_point is the dynamic point corresponding to the channel state
614 /// detected onchain. It has been generated by our counterparty and is used to derive
615 /// channel state keys, which are then included in the witness script and committed to in the
616 /// BIP 143 signature.
618 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,
619 /// Create a signature for a (proposed) closing transaction.
621 /// Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have
622 /// chosen to forgo their output as dust.
624 pub sign_closing_transaction: extern "C" fn (this_arg: *const c_void, closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ,
625 /// Signs a channel announcement message with our funding key, proving it comes from one
626 /// of the channel participants.
628 /// Note that if this fails or is rejected, the channel will not be publicly announced and
629 /// our counterparty may (though likely will not) close the channel on us for violating the
632 pub sign_channel_announcement: extern "C" fn (this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ,
633 /// Set the counterparty static channel data, including basepoints,
634 /// counterparty_selected/holder_selected_contest_delay and funding outpoint.
635 /// This is done as soon as the funding outpoint is known. Since these are static channel data,
636 /// they MUST NOT be allowed to change to different values once set.
638 /// channel_parameters.is_populated() MUST be true.
640 /// We bind holder_selected_contest_delay late here for API convenience.
642 /// Will be called before any signatures are applied.
643 pub ready_channel: extern "C" fn (this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters),
644 /// Frees any resources associated with this object given its this_arg pointer.
645 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
646 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
648 unsafe impl Send for BaseSign {}
649 unsafe impl Sync for BaseSign {}
651 pub(crate) extern "C" fn BaseSign_clone_fields(orig: &BaseSign) -> BaseSign {
653 this_arg: orig.this_arg,
654 get_per_commitment_point: Clone::clone(&orig.get_per_commitment_point),
655 release_commitment_secret: Clone::clone(&orig.release_commitment_secret),
656 pubkeys: Clone::clone(&orig.pubkeys),
657 set_pubkeys: Clone::clone(&orig.set_pubkeys),
658 channel_keys_id: Clone::clone(&orig.channel_keys_id),
659 sign_counterparty_commitment: Clone::clone(&orig.sign_counterparty_commitment),
660 sign_holder_commitment_and_htlcs: Clone::clone(&orig.sign_holder_commitment_and_htlcs),
661 sign_justice_revoked_output: Clone::clone(&orig.sign_justice_revoked_output),
662 sign_justice_revoked_htlc: Clone::clone(&orig.sign_justice_revoked_htlc),
663 sign_counterparty_htlc_transaction: Clone::clone(&orig.sign_counterparty_htlc_transaction),
664 sign_closing_transaction: Clone::clone(&orig.sign_closing_transaction),
665 sign_channel_announcement: Clone::clone(&orig.sign_channel_announcement),
666 ready_channel: Clone::clone(&orig.ready_channel),
667 free: Clone::clone(&orig.free),
671 use lightning::chain::keysinterface::BaseSign as rustBaseSign;
672 impl rustBaseSign for BaseSign {
673 fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> bitcoin::secp256k1::key::PublicKey {
674 let mut ret = (self.get_per_commitment_point)(self.this_arg, idx);
677 fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] {
678 let mut ret = (self.release_commitment_secret)(self.this_arg, idx);
681 fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
682 if let Some(f) = self.set_pubkeys {
685 unsafe { &*self.pubkeys.inner }
687 fn channel_keys_id(&self) -> [u8; 32] {
688 let mut ret = (self.channel_keys_id)(self.this_arg);
691 fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::Signature, Vec<bitcoin::secp256k1::Signature>), ()> {
692 let mut ret = (self.sign_counterparty_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false });
693 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)) })*/ })};
696 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::Signature, Vec<bitcoin::secp256k1::Signature>), ()> {
697 let mut ret = (self.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false });
698 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)) })*/ })};
701 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::key::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
702 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());
703 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)) })*/ })};
706 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::key::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
707 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 { (htlc as *const _) as *mut _ }, is_owned: false });
708 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)) })*/ })};
711 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::key::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
712 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 { (htlc as *const _) as *mut _ }, is_owned: false });
713 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)) })*/ })};
716 fn sign_closing_transaction(&self, mut closing_tx: &bitcoin::blockdata::transaction::Transaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
717 let mut ret = (self.sign_closing_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(closing_tx));
718 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)) })*/ })};
721 fn sign_channel_announcement(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
722 let mut ret = (self.sign_channel_announcement)(self.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { (msg as *const _) as *mut _ }, is_owned: false });
723 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)) })*/ })};
726 fn ready_channel(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) {
727 (self.ready_channel)(self.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (channel_parameters as *const _) as *mut _ }, is_owned: false })
731 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
732 // directly as a Deref trait in higher-level structs:
733 impl std::ops::Deref for BaseSign {
735 fn deref(&self) -> &Self {
739 /// Calls the free function if one is set
741 pub extern "C" fn BaseSign_free(this_ptr: BaseSign) { }
742 impl Drop for BaseSign {
744 if let Some(f) = self.free {
749 /// A cloneable signer.
751 /// Although we require signers to be cloneable, it may be useful for developers to be able to use
752 /// signers in an un-sized way, for example as `dyn BaseSign`. Therefore we separate the Clone trait,
753 /// which implies Sized, into this derived trait.
756 /// An opaque pointer which is passed to your function implementations as an argument.
757 /// This has no meaning in the LDK, and can be NULL or any other value.
758 pub this_arg: *mut c_void,
759 /// Implementation of BaseSign for this object.
760 pub BaseSign: crate::lightning::chain::keysinterface::BaseSign,
761 /// Serialize the object into a byte array
762 pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
763 /// Called, if set, after this Sign has been cloned into a duplicate object.
764 /// The new Sign is provided, and should be mutated as needed to perform a
765 /// deep copy of the object pointed to by this_arg or avoid any double-freeing.
766 pub cloned: Option<extern "C" fn (new_Sign: &mut Sign)>,
767 /// Frees any resources associated with this object given its this_arg pointer.
768 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
769 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
771 unsafe impl Send for Sign {}
772 unsafe impl Sync for Sign {}
774 pub(crate) extern "C" fn Sign_clone_fields(orig: &Sign) -> Sign {
776 this_arg: orig.this_arg,
777 BaseSign: crate::lightning::chain::keysinterface::BaseSign_clone_fields(&orig.BaseSign),
778 write: Clone::clone(&orig.write),
779 cloned: Clone::clone(&orig.cloned),
780 free: Clone::clone(&orig.free),
783 impl lightning::chain::keysinterface::BaseSign for Sign {
784 fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> bitcoin::secp256k1::key::PublicKey {
785 let mut ret = (self.BaseSign.get_per_commitment_point)(self.BaseSign.this_arg, idx);
788 fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] {
789 let mut ret = (self.BaseSign.release_commitment_secret)(self.BaseSign.this_arg, idx);
792 fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
793 if let Some(f) = self.BaseSign.set_pubkeys {
796 unsafe { &*self.BaseSign.pubkeys.inner }
798 fn channel_keys_id(&self) -> [u8; 32] {
799 let mut ret = (self.BaseSign.channel_keys_id)(self.BaseSign.this_arg);
802 fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::Signature, Vec<bitcoin::secp256k1::Signature>), ()> {
803 let mut ret = (self.BaseSign.sign_counterparty_commitment)(self.BaseSign.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false });
804 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)) })*/ })};
807 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::Signature, Vec<bitcoin::secp256k1::Signature>), ()> {
808 let mut ret = (self.BaseSign.sign_holder_commitment_and_htlcs)(self.BaseSign.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false });
809 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)) })*/ })};
812 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::key::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
813 let mut ret = (self.BaseSign.sign_justice_revoked_output)(self.BaseSign.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref());
814 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)) })*/ })};
817 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::key::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
818 let mut ret = (self.BaseSign.sign_justice_revoked_htlc)(self.BaseSign.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 { (htlc as *const _) as *mut _ }, is_owned: false });
819 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)) })*/ })};
822 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::key::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
823 let mut ret = (self.BaseSign.sign_counterparty_htlc_transaction)(self.BaseSign.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 { (htlc as *const _) as *mut _ }, is_owned: false });
824 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)) })*/ })};
827 fn sign_closing_transaction(&self, mut closing_tx: &bitcoin::blockdata::transaction::Transaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
828 let mut ret = (self.BaseSign.sign_closing_transaction)(self.BaseSign.this_arg, crate::c_types::Transaction::from_bitcoin(closing_tx));
829 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)) })*/ })};
832 fn sign_channel_announcement(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::Signature, ()> {
833 let mut ret = (self.BaseSign.sign_channel_announcement)(self.BaseSign.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { (msg as *const _) as *mut _ }, is_owned: false });
834 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)) })*/ })};
837 fn ready_channel(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) {
838 (self.BaseSign.ready_channel)(self.BaseSign.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (channel_parameters as *const _) as *mut _ }, is_owned: false })
841 impl lightning::util::ser::Writeable for Sign {
842 fn write<W: lightning::util::ser::Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
843 let vec = (self.write)(self.this_arg);
844 w.write_all(vec.as_slice())
848 /// Creates a copy of a Sign
849 pub extern "C" fn Sign_clone(orig: &Sign) -> Sign {
850 let mut res = Sign_clone_fields(orig);
851 if let Some(f) = orig.cloned { (f)(&mut res) };
854 impl Clone for Sign {
855 fn clone(&self) -> Self {
860 use lightning::chain::keysinterface::Sign as rustSign;
861 impl rustSign for Sign {
864 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
865 // directly as a Deref trait in higher-level structs:
866 impl std::ops::Deref for Sign {
868 fn deref(&self) -> &Self {
872 /// Calls the free function if one is set
874 pub extern "C" fn Sign_free(this_ptr: Sign) { }
877 if let Some(f) = self.free {
882 /// A trait to describe an object which can get user secrets and key material.
884 pub struct KeysInterface {
885 /// An opaque pointer which is passed to your function implementations as an argument.
886 /// This has no meaning in the LDK, and can be NULL or any other value.
887 pub this_arg: *mut c_void,
888 /// Get node secret key (aka node_id or network_key).
890 /// This method must return the same value each time it is called.
892 pub get_node_secret: extern "C" fn (this_arg: *const c_void) -> crate::c_types::SecretKey,
893 /// Get a script pubkey which we send funds to when claiming on-chain contestable outputs.
895 /// This method should return a different value each time it is called, to avoid linking
896 /// on-chain funds across channels as controlled to the same user.
898 pub get_destination_script: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
899 /// Get a public key which we will send funds to (in the form of a P2WPKH output) when closing
902 /// This method should return a different value each time it is called, to avoid linking
903 /// on-chain funds across channels as controlled to the same user.
905 pub get_shutdown_pubkey: extern "C" fn (this_arg: *const c_void) -> crate::c_types::PublicKey,
906 /// Get a new set of Sign for per-channel secrets. These MUST be unique even if you
907 /// restarted with some stale data!
909 /// This method must return a different value each time it is called.
911 pub get_channel_signer: extern "C" fn (this_arg: *const c_void, inbound: bool, channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign,
912 /// Gets a unique, cryptographically-secure, random 32 byte value. This is used for encrypting
913 /// onion packets and for temporary channel IDs. There is no requirement that these be
914 /// persisted anywhere, though they must be unique across restarts.
916 /// This method must return a different value each time it is called.
918 pub get_secure_random_bytes: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes,
919 /// Reads a `Signer` for this `KeysInterface` from the given input stream.
920 /// This is only called during deserialization of other objects which contain
921 /// `Sign`-implementing objects (ie `ChannelMonitor`s and `ChannelManager`s).
922 /// The bytes are exactly those which `<Self::Signer as Writeable>::write()` writes, and
923 /// contain no versioning scheme. You may wish to include your own version prefix and ensure
924 /// you've read all of the provided bytes to ensure no corruption occurred.
926 pub read_chan_signer: extern "C" fn (this_arg: *const c_void, reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SignDecodeErrorZ,
927 /// Sign an invoice's preimage (note that this is the preimage of the invoice, not the HTLC's
928 /// preimage). By parameterizing by the preimage instead of the hash, we allow implementors of
929 /// this trait to parse the invoice and make sure they're signing what they expect, rather than
930 /// blindly signing the hash.
932 pub sign_invoice: extern "C" fn (this_arg: *const c_void, invoice_preimage: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ,
933 /// Frees any resources associated with this object given its this_arg pointer.
934 /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
935 pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
937 unsafe impl Send for KeysInterface {}
938 unsafe impl Sync for KeysInterface {}
940 pub(crate) extern "C" fn KeysInterface_clone_fields(orig: &KeysInterface) -> KeysInterface {
942 this_arg: orig.this_arg,
943 get_node_secret: Clone::clone(&orig.get_node_secret),
944 get_destination_script: Clone::clone(&orig.get_destination_script),
945 get_shutdown_pubkey: Clone::clone(&orig.get_shutdown_pubkey),
946 get_channel_signer: Clone::clone(&orig.get_channel_signer),
947 get_secure_random_bytes: Clone::clone(&orig.get_secure_random_bytes),
948 read_chan_signer: Clone::clone(&orig.read_chan_signer),
949 sign_invoice: Clone::clone(&orig.sign_invoice),
950 free: Clone::clone(&orig.free),
954 use lightning::chain::keysinterface::KeysInterface as rustKeysInterface;
955 impl rustKeysInterface for KeysInterface {
956 type Signer = crate::lightning::chain::keysinterface::Sign;
957 fn get_node_secret(&self) -> bitcoin::secp256k1::key::SecretKey {
958 let mut ret = (self.get_node_secret)(self.this_arg);
961 fn get_destination_script(&self) -> bitcoin::blockdata::script::Script {
962 let mut ret = (self.get_destination_script)(self.this_arg);
963 ::bitcoin::blockdata::script::Script::from(ret.into_rust())
965 fn get_shutdown_pubkey(&self) -> bitcoin::secp256k1::key::PublicKey {
966 let mut ret = (self.get_shutdown_pubkey)(self.this_arg);
969 fn get_channel_signer(&self, mut inbound: bool, mut channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign {
970 let mut ret = (self.get_channel_signer)(self.this_arg, inbound, channel_value_satoshis);
973 fn get_secure_random_bytes(&self) -> [u8; 32] {
974 let mut ret = (self.get_secure_random_bytes)(self.this_arg);
977 fn read_chan_signer(&self, mut reader: &[u8]) -> Result<crate::lightning::chain::keysinterface::Sign, lightning::ln::msgs::DecodeError> {
978 let mut local_reader = crate::c_types::u8slice::from_slice(reader);
979 let mut ret = (self.read_chan_signer)(self.this_arg, local_reader);
980 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((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).take_inner()) } })};
983 fn sign_invoice(&self, mut invoice_preimage: Vec<u8>) -> Result<bitcoin::secp256k1::recovery::RecoverableSignature, ()> {
984 let mut local_invoice_preimage = Vec::new(); for mut item in invoice_preimage.drain(..) { local_invoice_preimage.push( { item }); };
985 let mut ret = (self.sign_invoice)(self.this_arg, local_invoice_preimage.into());
986 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)) })*/ })};
991 // We're essentially a pointer already, or at least a set of pointers, so allow us to be used
992 // directly as a Deref trait in higher-level structs:
993 impl std::ops::Deref for KeysInterface {
995 fn deref(&self) -> &Self {
999 /// Calls the free function if one is set
1001 pub extern "C" fn KeysInterface_free(this_ptr: KeysInterface) { }
1002 impl Drop for KeysInterface {
1003 fn drop(&mut self) {
1004 if let Some(f) = self.free {
1010 use lightning::chain::keysinterface::InMemorySigner as nativeInMemorySignerImport;
1011 type nativeInMemorySigner = nativeInMemorySignerImport;
1013 /// A simple implementation of Sign that just keeps the private keys in memory.
1015 /// This implementation performs no policy checks and is insufficient by itself as
1016 /// a secure external signer.
1019 pub struct InMemorySigner {
1020 /// A pointer to the opaque Rust object.
1022 /// Nearly everywhere, inner must be non-null, however in places where
1023 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1024 pub inner: *mut nativeInMemorySigner,
1025 /// Indicates that this is the only struct which contains the same pointer.
1027 /// Rust functions which take ownership of an object provided via an argument require
1028 /// this to be true and invalidate the object pointed to by inner.
1032 impl Drop for InMemorySigner {
1033 fn drop(&mut self) {
1034 if self.is_owned && !<*mut nativeInMemorySigner>::is_null(self.inner) {
1035 let _ = unsafe { Box::from_raw(self.inner) };
1039 /// Frees any resources used by the InMemorySigner, if is_owned is set and inner is non-NULL.
1041 pub extern "C" fn InMemorySigner_free(this_obj: InMemorySigner) { }
1043 /// Used only if an object of this type is returned as a trait impl by a method
1044 extern "C" fn InMemorySigner_free_void(this_ptr: *mut c_void) {
1045 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeInMemorySigner); }
1048 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1049 impl InMemorySigner {
1050 pub(crate) fn take_inner(mut self) -> *mut nativeInMemorySigner {
1051 assert!(self.is_owned);
1052 let ret = self.inner;
1053 self.inner = std::ptr::null_mut();
1057 /// Private key of anchor tx
1059 pub extern "C" fn InMemorySigner_get_funding_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1060 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.funding_key;
1063 /// Private key of anchor tx
1065 pub extern "C" fn InMemorySigner_set_funding_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1066 unsafe { &mut *this_ptr.inner }.funding_key = val.into_rust();
1068 /// Holder secret key for blinded revocation pubkey
1070 pub extern "C" fn InMemorySigner_get_revocation_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1071 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_base_key;
1074 /// Holder secret key for blinded revocation pubkey
1076 pub extern "C" fn InMemorySigner_set_revocation_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1077 unsafe { &mut *this_ptr.inner }.revocation_base_key = val.into_rust();
1079 /// Holder secret key used for our balance in counterparty-broadcasted commitment transactions
1081 pub extern "C" fn InMemorySigner_get_payment_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1082 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.payment_key;
1085 /// Holder secret key used for our balance in counterparty-broadcasted commitment transactions
1087 pub extern "C" fn InMemorySigner_set_payment_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1088 unsafe { &mut *this_ptr.inner }.payment_key = val.into_rust();
1090 /// Holder secret key used in HTLC tx
1092 pub extern "C" fn InMemorySigner_get_delayed_payment_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1093 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.delayed_payment_base_key;
1096 /// Holder secret key used in HTLC tx
1098 pub extern "C" fn InMemorySigner_set_delayed_payment_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1099 unsafe { &mut *this_ptr.inner }.delayed_payment_base_key = val.into_rust();
1101 /// Holder htlc secret key used in commitment tx htlc outputs
1103 pub extern "C" fn InMemorySigner_get_htlc_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1104 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.htlc_base_key;
1107 /// Holder htlc secret key used in commitment tx htlc outputs
1109 pub extern "C" fn InMemorySigner_set_htlc_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) {
1110 unsafe { &mut *this_ptr.inner }.htlc_base_key = val.into_rust();
1114 pub extern "C" fn InMemorySigner_get_commitment_seed(this_ptr: &InMemorySigner) -> *const [u8; 32] {
1115 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.commitment_seed;
1120 pub extern "C" fn InMemorySigner_set_commitment_seed(this_ptr: &mut InMemorySigner, mut val: crate::c_types::ThirtyTwoBytes) {
1121 unsafe { &mut *this_ptr.inner }.commitment_seed = val.data;
1123 impl Clone for InMemorySigner {
1124 fn clone(&self) -> Self {
1126 inner: if <*mut nativeInMemorySigner>::is_null(self.inner) { std::ptr::null_mut() } else {
1127 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
1133 /// Used only if an object of this type is returned as a trait impl by a method
1134 pub(crate) extern "C" fn InMemorySigner_clone_void(this_ptr: *const c_void) -> *mut c_void {
1135 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeInMemorySigner)).clone() })) as *mut c_void
1138 /// Creates a copy of the InMemorySigner
1139 pub extern "C" fn InMemorySigner_clone(orig: &InMemorySigner) -> InMemorySigner {
1142 /// Create a new InMemorySigner
1145 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) -> crate::lightning::chain::keysinterface::InMemorySigner {
1146 let mut ret = lightning::chain::keysinterface::InMemorySigner::new(secp256k1::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);
1147 crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(ret)), is_owned: true }
1150 /// Counterparty pubkeys.
1151 /// Will panic if ready_channel wasn't called.
1154 pub extern "C" fn InMemorySigner_counterparty_pubkeys(this_arg: &InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelPublicKeys {
1155 let mut ret = unsafe { &*this_arg.inner }.counterparty_pubkeys();
1156 crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1159 /// The contest_delay value specified by our counterparty and applied on holder-broadcastable
1160 /// transactions, ie the amount of time that we have to wait to recover our funds if we
1161 /// broadcast a transaction.
1162 /// Will panic if ready_channel wasn't called.
1165 pub extern "C" fn InMemorySigner_counterparty_selected_contest_delay(this_arg: &InMemorySigner) -> u16 {
1166 let mut ret = unsafe { &*this_arg.inner }.counterparty_selected_contest_delay();
1170 /// The contest_delay value specified by us and applied on transactions broadcastable
1171 /// by our counterparty, ie the amount of time that they have to wait to recover their funds
1172 /// if they broadcast a transaction.
1173 /// Will panic if ready_channel wasn't called.
1176 pub extern "C" fn InMemorySigner_holder_selected_contest_delay(this_arg: &InMemorySigner) -> u16 {
1177 let mut ret = unsafe { &*this_arg.inner }.holder_selected_contest_delay();
1181 /// Whether the holder is the initiator
1182 /// Will panic if ready_channel wasn't called.
1185 pub extern "C" fn InMemorySigner_is_outbound(this_arg: &InMemorySigner) -> bool {
1186 let mut ret = unsafe { &*this_arg.inner }.is_outbound();
1190 /// Funding outpoint
1191 /// Will panic if ready_channel wasn't called.
1194 pub extern "C" fn InMemorySigner_funding_outpoint(this_arg: &InMemorySigner) -> crate::lightning::chain::transaction::OutPoint {
1195 let mut ret = unsafe { &*this_arg.inner }.funding_outpoint();
1196 crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1199 /// Obtain a ChannelTransactionParameters for this channel, to be used when verifying or
1200 /// building transactions.
1202 /// Will panic if ready_channel wasn't called.
1205 pub extern "C" fn InMemorySigner_get_channel_parameters(this_arg: &InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters {
1206 let mut ret = unsafe { &*this_arg.inner }.get_channel_parameters();
1207 crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1210 /// Sign the single input of spend_tx at index `input_idx` which spends the output
1211 /// described by descriptor, returning the witness stack for the input.
1213 /// Returns an Err if the input at input_idx does not exist, has a non-empty script_sig,
1214 /// or is not spending the outpoint described by `descriptor.outpoint`.
1217 pub extern "C" fn InMemorySigner_sign_counterparty_payment_input(this_arg: &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 {
1218 let mut ret = unsafe { &*this_arg.inner }.sign_counterparty_payment_input(&spend_tx.into_bitcoin(), input_idx, unsafe { &*descriptor.inner }, secp256k1::SECP256K1);
1219 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() };
1223 /// Sign the single input of spend_tx at index `input_idx` which spends the output
1224 /// described by descriptor, returning the witness stack for the input.
1226 /// Returns an Err if the input at input_idx does not exist, has a non-empty script_sig,
1227 /// is not spending the outpoint described by `descriptor.outpoint`, or does not have a
1228 /// sequence set to `descriptor.to_self_delay`.
1231 pub extern "C" fn InMemorySigner_sign_dynamic_p2wsh_input(this_arg: &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 {
1232 let mut ret = unsafe { &*this_arg.inner }.sign_dynamic_p2wsh_input(&spend_tx.into_bitcoin(), input_idx, unsafe { &*descriptor.inner }, secp256k1::SECP256K1);
1233 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() };
1237 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::BaseSign {
1238 fn from(obj: nativeInMemorySigner) -> Self {
1239 let mut rust_obj = InMemorySigner { inner: Box::into_raw(Box::new(obj)), is_owned: true };
1240 let mut ret = InMemorySigner_as_BaseSign(&rust_obj);
1241 // 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
1242 rust_obj.inner = std::ptr::null_mut();
1243 ret.free = Some(InMemorySigner_free_void);
1247 /// Constructs a new BaseSign which calls the relevant methods on this_arg.
1248 /// This copies the `inner` pointer in this_arg and thus the returned BaseSign must be freed before this_arg is
1250 pub extern "C" fn InMemorySigner_as_BaseSign(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::BaseSign {
1251 crate::lightning::chain::keysinterface::BaseSign {
1252 this_arg: unsafe { (*this_arg).inner as *mut c_void },
1254 get_per_commitment_point: InMemorySigner_BaseSign_get_per_commitment_point,
1255 release_commitment_secret: InMemorySigner_BaseSign_release_commitment_secret,
1257 pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true },
1258 set_pubkeys: Some(InMemorySigner_BaseSign_set_pubkeys),
1259 channel_keys_id: InMemorySigner_BaseSign_channel_keys_id,
1260 sign_counterparty_commitment: InMemorySigner_BaseSign_sign_counterparty_commitment,
1261 sign_holder_commitment_and_htlcs: InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs,
1262 sign_justice_revoked_output: InMemorySigner_BaseSign_sign_justice_revoked_output,
1263 sign_justice_revoked_htlc: InMemorySigner_BaseSign_sign_justice_revoked_htlc,
1264 sign_counterparty_htlc_transaction: InMemorySigner_BaseSign_sign_counterparty_htlc_transaction,
1265 sign_closing_transaction: InMemorySigner_BaseSign_sign_closing_transaction,
1266 sign_channel_announcement: InMemorySigner_BaseSign_sign_channel_announcement,
1267 ready_channel: InMemorySigner_BaseSign_ready_channel,
1272 extern "C" fn InMemorySigner_BaseSign_get_per_commitment_point(this_arg: *const c_void, mut idx: u64) -> crate::c_types::PublicKey {
1273 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::get_per_commitment_point(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx, secp256k1::SECP256K1);
1274 crate::c_types::PublicKey::from_rust(&ret)
1277 extern "C" fn InMemorySigner_BaseSign_release_commitment_secret(this_arg: *const c_void, mut idx: u64) -> crate::c_types::ThirtyTwoBytes {
1278 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::release_commitment_secret(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx);
1279 crate::c_types::ThirtyTwoBytes { data: ret }
1282 extern "C" fn InMemorySigner_BaseSign_pubkeys(this_arg: *const c_void) -> crate::lightning::ln::chan_utils::ChannelPublicKeys {
1283 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::pubkeys(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, );
1284 crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1286 extern "C" fn InMemorySigner_BaseSign_set_pubkeys(trait_self_arg: &BaseSign) {
1287 // This is a bit race-y in the general case, but for our specific use-cases today, we're safe
1288 // Specifically, we must ensure that the first time we're called it can never be in parallel
1289 if trait_self_arg.pubkeys.inner.is_null() {
1290 unsafe { &mut *(trait_self_arg as *const BaseSign as *mut BaseSign) }.pubkeys = InMemorySigner_BaseSign_pubkeys(trait_self_arg.this_arg);
1294 extern "C" fn InMemorySigner_BaseSign_channel_keys_id(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
1295 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::channel_keys_id(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, );
1296 crate::c_types::ThirtyTwoBytes { data: ret }
1299 extern "C" fn InMemorySigner_BaseSign_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ {
1300 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_counterparty_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*commitment_tx.inner }, secp256k1::SECP256K1);
1301 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() };
1305 extern "C" fn InMemorySigner_BaseSign_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 {
1306 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_holder_commitment_and_htlcs(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*commitment_tx.inner }, secp256k1::SECP256K1);
1307 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() };
1311 extern "C" fn InMemorySigner_BaseSign_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 {
1312 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_justice_revoked_output(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), secp256k1::SECP256K1);
1313 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() };
1317 extern "C" fn InMemorySigner_BaseSign_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 {
1318 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_justice_revoked_htlc(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), unsafe { &*htlc.inner }, secp256k1::SECP256K1);
1319 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() };
1323 extern "C" fn InMemorySigner_BaseSign_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 {
1324 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_counterparty_htlc_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &htlc_tx.into_bitcoin(), input, amount, &per_commitment_point.into_rust(), unsafe { &*htlc.inner }, secp256k1::SECP256K1);
1325 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() };
1329 extern "C" fn InMemorySigner_BaseSign_sign_closing_transaction(this_arg: *const c_void, mut closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ {
1330 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_closing_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &closing_tx.into_bitcoin(), secp256k1::SECP256K1);
1331 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() };
1335 extern "C" fn InMemorySigner_BaseSign_sign_channel_announcement(this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ {
1336 let mut ret = <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::sign_channel_announcement(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*msg.inner }, secp256k1::SECP256K1);
1337 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() };
1340 extern "C" fn InMemorySigner_BaseSign_ready_channel(this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters) {
1341 <nativeInMemorySigner as lightning::chain::keysinterface::BaseSign<>>::ready_channel(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*channel_parameters.inner })
1344 impl From<nativeInMemorySigner> for crate::lightning::chain::keysinterface::Sign {
1345 fn from(obj: nativeInMemorySigner) -> Self {
1346 let mut rust_obj = InMemorySigner { inner: Box::into_raw(Box::new(obj)), is_owned: true };
1347 let mut ret = InMemorySigner_as_Sign(&rust_obj);
1348 // 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
1349 rust_obj.inner = std::ptr::null_mut();
1350 ret.free = Some(InMemorySigner_free_void);
1354 /// Constructs a new Sign which calls the relevant methods on this_arg.
1355 /// This copies the `inner` pointer in this_arg and thus the returned Sign must be freed before this_arg is
1357 pub extern "C" fn InMemorySigner_as_Sign(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::Sign {
1358 crate::lightning::chain::keysinterface::Sign {
1359 this_arg: unsafe { (*this_arg).inner as *mut c_void },
1361 BaseSign: crate::lightning::chain::keysinterface::BaseSign {
1362 this_arg: unsafe { (*this_arg).inner as *mut c_void },
1364 get_per_commitment_point: InMemorySigner_BaseSign_get_per_commitment_point,
1365 release_commitment_secret: InMemorySigner_BaseSign_release_commitment_secret,
1367 pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true },
1368 set_pubkeys: Some(InMemorySigner_BaseSign_set_pubkeys),
1369 channel_keys_id: InMemorySigner_BaseSign_channel_keys_id,
1370 sign_counterparty_commitment: InMemorySigner_BaseSign_sign_counterparty_commitment,
1371 sign_holder_commitment_and_htlcs: InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs,
1372 sign_justice_revoked_output: InMemorySigner_BaseSign_sign_justice_revoked_output,
1373 sign_justice_revoked_htlc: InMemorySigner_BaseSign_sign_justice_revoked_htlc,
1374 sign_counterparty_htlc_transaction: InMemorySigner_BaseSign_sign_counterparty_htlc_transaction,
1375 sign_closing_transaction: InMemorySigner_BaseSign_sign_closing_transaction,
1376 sign_channel_announcement: InMemorySigner_BaseSign_sign_channel_announcement,
1377 ready_channel: InMemorySigner_BaseSign_ready_channel,
1379 write: InMemorySigner_write_void,
1380 cloned: Some(Sign_InMemorySigner_cloned),
1384 extern "C" fn Sign_InMemorySigner_cloned(new_obj: &mut crate::lightning::chain::keysinterface::Sign) {
1385 new_obj.this_arg = InMemorySigner_clone_void(new_obj.this_arg);
1386 new_obj.free = Some(InMemorySigner_free_void);
1387 new_obj.BaseSign.this_arg = new_obj.this_arg;
1388 new_obj.BaseSign.free = None;
1392 /// Serialize the InMemorySigner object into a byte array which can be read by InMemorySigner_read
1393 pub extern "C" fn InMemorySigner_write(obj: &InMemorySigner) -> crate::c_types::derived::CVec_u8Z {
1394 crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner })
1397 pub(crate) extern "C" fn InMemorySigner_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1398 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeInMemorySigner) })
1401 /// Read a InMemorySigner from a byte array, created by InMemorySigner_write
1402 pub extern "C" fn InMemorySigner_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_InMemorySignerDecodeErrorZ {
1403 let res = crate::c_types::deserialize_obj(ser);
1404 let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
1408 use lightning::chain::keysinterface::KeysManager as nativeKeysManagerImport;
1409 type nativeKeysManager = nativeKeysManagerImport;
1411 /// Simple KeysInterface implementor that takes a 32-byte seed for use as a BIP 32 extended key
1412 /// and derives keys from that.
1414 /// Your node_id is seed/0'
1415 /// ChannelMonitor closes may use seed/1'
1416 /// Cooperative closes may use seed/2'
1417 /// The two close keys may be needed to claim on-chain funds!
1420 pub struct KeysManager {
1421 /// A pointer to the opaque Rust object.
1423 /// Nearly everywhere, inner must be non-null, however in places where
1424 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1425 pub inner: *mut nativeKeysManager,
1426 /// Indicates that this is the only struct which contains the same pointer.
1428 /// Rust functions which take ownership of an object provided via an argument require
1429 /// this to be true and invalidate the object pointed to by inner.
1433 impl Drop for KeysManager {
1434 fn drop(&mut self) {
1435 if self.is_owned && !<*mut nativeKeysManager>::is_null(self.inner) {
1436 let _ = unsafe { Box::from_raw(self.inner) };
1440 /// Frees any resources used by the KeysManager, if is_owned is set and inner is non-NULL.
1442 pub extern "C" fn KeysManager_free(this_obj: KeysManager) { }
1444 /// Used only if an object of this type is returned as a trait impl by a method
1445 extern "C" fn KeysManager_free_void(this_ptr: *mut c_void) {
1446 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeKeysManager); }
1449 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1451 pub(crate) fn take_inner(mut self) -> *mut nativeKeysManager {
1452 assert!(self.is_owned);
1453 let ret = self.inner;
1454 self.inner = std::ptr::null_mut();
1458 /// Constructs a KeysManager from a 32-byte seed. If the seed is in some way biased (eg your
1459 /// CSRNG is busted) this may panic (but more importantly, you will possibly lose funds).
1460 /// starting_time isn't strictly required to actually be a time, but it must absolutely,
1461 /// without a doubt, be unique to this instance. ie if you start multiple times with the same
1462 /// seed, starting_time must be unique to each run. Thus, the easiest way to achieve this is to
1463 /// simply use the current time (with very high precision).
1465 /// The seed MUST be backed up safely prior to use so that the keys can be re-created, however,
1466 /// obviously, starting_time should be unique every time you reload the library - it is only
1467 /// used to generate new ephemeral key data (which will be stored by the individual channel if
1470 /// Note that the seed is required to recover certain on-chain funds independent of
1471 /// ChannelMonitor data, though a current copy of ChannelMonitor data is also required for any
1472 /// channel, and some on-chain during-closing funds.
1474 /// Note that until the 0.1 release there is no guarantee of backward compatibility between
1475 /// versions. Once the library is more fully supported, the docs will be updated to include a
1476 /// detailed description of the guarantee.
1479 pub extern "C" fn KeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32) -> KeysManager {
1480 let mut ret = lightning::chain::keysinterface::KeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos);
1481 KeysManager { inner: Box::into_raw(Box::new(ret)), is_owned: true }
1484 /// Derive an old Sign containing per-channel secrets based on a key derivation parameters.
1486 /// Key derivation parameters are accessible through a per-channel secrets
1487 /// Sign::channel_keys_id and is provided inside DynamicOuputP2WSH in case of
1488 /// onchain output detection for which a corresponding delayed_payment_key must be derived.
1491 pub extern "C" fn KeysManager_derive_channel_keys(this_arg: &KeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner {
1492 let mut ret = unsafe { &*this_arg.inner }.derive_channel_keys(channel_value_satoshis, unsafe { &*params});
1493 crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(ret)), is_owned: true }
1496 /// Creates a Transaction which spends the given descriptors to the given outputs, plus an
1497 /// output to the given change destination (if sufficient change value remains). The
1498 /// transaction will have a feerate, at least, of the given value.
1500 /// Returns `Err(())` if the output value is greater than the input value minus required fee or
1501 /// if a descriptor was duplicated.
1503 /// We do not enforce that outputs meet the dust limit or that any output scripts are standard.
1505 /// May panic if the `SpendableOutputDescriptor`s were not generated by Channels which used
1506 /// this KeysManager or one of the `InMemorySigner` created by this KeysManager.
1509 pub extern "C" fn KeysManager_spend_spendable_outputs(this_arg: &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 {
1510 let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); };
1511 let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); };
1512 let mut ret = unsafe { &*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::SECP256K1);
1513 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() };
1517 impl From<nativeKeysManager> for crate::lightning::chain::keysinterface::KeysInterface {
1518 fn from(obj: nativeKeysManager) -> Self {
1519 let mut rust_obj = KeysManager { inner: Box::into_raw(Box::new(obj)), is_owned: true };
1520 let mut ret = KeysManager_as_KeysInterface(&rust_obj);
1521 // 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
1522 rust_obj.inner = std::ptr::null_mut();
1523 ret.free = Some(KeysManager_free_void);
1527 /// Constructs a new KeysInterface which calls the relevant methods on this_arg.
1528 /// This copies the `inner` pointer in this_arg and thus the returned KeysInterface must be freed before this_arg is
1530 pub extern "C" fn KeysManager_as_KeysInterface(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::KeysInterface {
1531 crate::lightning::chain::keysinterface::KeysInterface {
1532 this_arg: unsafe { (*this_arg).inner as *mut c_void },
1534 get_node_secret: KeysManager_KeysInterface_get_node_secret,
1535 get_destination_script: KeysManager_KeysInterface_get_destination_script,
1536 get_shutdown_pubkey: KeysManager_KeysInterface_get_shutdown_pubkey,
1537 get_channel_signer: KeysManager_KeysInterface_get_channel_signer,
1538 get_secure_random_bytes: KeysManager_KeysInterface_get_secure_random_bytes,
1539 read_chan_signer: KeysManager_KeysInterface_read_chan_signer,
1540 sign_invoice: KeysManager_KeysInterface_sign_invoice,
1545 extern "C" fn KeysManager_KeysInterface_get_node_secret(this_arg: *const c_void) -> crate::c_types::SecretKey {
1546 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::get_node_secret(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
1547 crate::c_types::SecretKey::from_rust(ret)
1550 extern "C" fn KeysManager_KeysInterface_get_destination_script(this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1551 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::get_destination_script(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
1552 ret.into_bytes().into()
1555 extern "C" fn KeysManager_KeysInterface_get_shutdown_pubkey(this_arg: *const c_void) -> crate::c_types::PublicKey {
1556 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::get_shutdown_pubkey(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
1557 crate::c_types::PublicKey::from_rust(&ret)
1560 extern "C" fn KeysManager_KeysInterface_get_channel_signer(this_arg: *const c_void, mut _inbound: bool, mut channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign {
1561 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::get_channel_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, _inbound, channel_value_satoshis);
1565 extern "C" fn KeysManager_KeysInterface_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes {
1566 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, );
1567 crate::c_types::ThirtyTwoBytes { data: ret }
1570 extern "C" fn KeysManager_KeysInterface_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SignDecodeErrorZ {
1571 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::read_chan_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, reader.to_slice());
1572 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() };
1576 extern "C" fn KeysManager_KeysInterface_sign_invoice(this_arg: *const c_void, mut invoice_preimage: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ {
1577 let mut local_invoice_preimage = Vec::new(); for mut item in invoice_preimage.into_rust().drain(..) { local_invoice_preimage.push( { item }); };
1578 let mut ret = <nativeKeysManager as lightning::chain::keysinterface::KeysInterface<>>::sign_invoice(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, local_invoice_preimage);
1579 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() };