1 //! Various utilities for building scripts and deriving keys related to channels. These are
2 //! largely of interest for those implementing chain::keysinterface::ChannelKeys message signing
6 use bitcoin::hashes::Hash;
9 /// Build the commitment secret from the seed and the commitment number
11 pub extern "C" fn build_commitment_secret(commitment_seed: *const [u8; 32], mut idx: u64) -> crate::c_types::ThirtyTwoBytes {
12 let mut ret = lightning::ln::chan_utils::build_commitment_secret(unsafe { &*commitment_seed}, idx);
13 crate::c_types::ThirtyTwoBytes { data: ret }
16 /// Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key)
17 /// from the base secret and the per_commitment_point.
19 /// Note that this is infallible iff we trust that at least one of the two input keys are randomly
20 /// generated (ie our own).
22 pub extern "C" fn derive_private_key(mut per_commitment_point: crate::c_types::PublicKey, base_secret: *const [u8; 32]) -> crate::c_types::derived::CResult_SecretKeySecpErrorZ {
23 let mut ret = lightning::ln::chan_utils::derive_private_key(&bitcoin::secp256k1::Secp256k1::new(), &per_commitment_point.into_rust(), &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *base_secret}[..]).unwrap());
24 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SecretKey::from_rust(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
28 /// Derives a per-commitment-transaction public key (eg an htlc key or a delayed_payment key)
29 /// from the base point and the per_commitment_key. This is the public equivalent of
30 /// derive_private_key - using only public keys to derive a public key instead of private keys.
32 /// Note that this is infallible iff we trust that at least one of the two input keys are randomly
33 /// generated (ie our own).
35 pub extern "C" fn derive_public_key(mut per_commitment_point: crate::c_types::PublicKey, mut base_point: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_PublicKeySecpErrorZ {
36 let mut ret = lightning::ln::chan_utils::derive_public_key(&bitcoin::secp256k1::Secp256k1::new(), &per_commitment_point.into_rust(), &base_point.into_rust());
37 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
41 /// Derives a per-commitment-transaction revocation key from its constituent parts.
43 /// Only the cheating participant owns a valid witness to propagate a revoked
44 /// commitment transaction, thus per_commitment_secret always come from cheater
45 /// and revocation_base_secret always come from punisher, which is the broadcaster
46 /// of the transaction spending with this key knowledge.
48 /// Note that this is infallible iff we trust that at least one of the two input keys are randomly
49 /// generated (ie our own).
51 pub extern "C" fn derive_private_revocation_key(per_commitment_secret: *const [u8; 32], countersignatory_revocation_base_secret: *const [u8; 32]) -> crate::c_types::derived::CResult_SecretKeySecpErrorZ {
52 let mut ret = lightning::ln::chan_utils::derive_private_revocation_key(&bitcoin::secp256k1::Secp256k1::new(), &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *per_commitment_secret}[..]).unwrap(), &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *countersignatory_revocation_base_secret}[..]).unwrap());
53 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SecretKey::from_rust(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
57 /// Derives a per-commitment-transaction revocation public key from its constituent parts. This is
58 /// the public equivalend of derive_private_revocation_key - using only public keys to derive a
59 /// public key instead of private keys.
61 /// Only the cheating participant owns a valid witness to propagate a revoked
62 /// commitment transaction, thus per_commitment_point always come from cheater
63 /// and revocation_base_point always come from punisher, which is the broadcaster
64 /// of the transaction spending with this key knowledge.
66 /// Note that this is infallible iff we trust that at least one of the two input keys are randomly
67 /// generated (ie our own).
69 pub extern "C" fn derive_public_revocation_key(mut per_commitment_point: crate::c_types::PublicKey, mut countersignatory_revocation_base_point: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_PublicKeySecpErrorZ {
70 let mut ret = lightning::ln::chan_utils::derive_public_revocation_key(&bitcoin::secp256k1::Secp256k1::new(), &per_commitment_point.into_rust(), &countersignatory_revocation_base_point.into_rust());
71 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
76 use lightning::ln::chan_utils::TxCreationKeys as nativeTxCreationKeysImport;
77 type nativeTxCreationKeys = nativeTxCreationKeysImport;
79 /// The set of public keys which are used in the creation of one commitment transaction.
80 /// These are derived from the channel base keys and per-commitment data.
82 /// A broadcaster key is provided from potential broadcaster of the computed transaction.
83 /// A countersignatory key is coming from a protocol participant unable to broadcast the
86 /// These keys are assumed to be good, either because the code derived them from
87 /// channel basepoints via the new function, or they were obtained via
88 /// CommitmentTransaction.trust().keys() because we trusted the source of the
89 /// pre-calculated keys.
92 pub struct TxCreationKeys {
93 /// Nearly everywhere, inner must be non-null, however in places where
94 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
95 pub inner: *mut nativeTxCreationKeys,
99 impl Drop for TxCreationKeys {
101 if self.is_owned && !self.inner.is_null() {
102 let _ = unsafe { Box::from_raw(self.inner) };
107 pub extern "C" fn TxCreationKeys_free(this_ptr: TxCreationKeys) { }
109 /// Used only if an object of this type is returned as a trait impl by a method
110 extern "C" fn TxCreationKeys_free_void(this_ptr: *mut c_void) {
111 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTxCreationKeys); }
114 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
115 impl TxCreationKeys {
116 pub(crate) fn take_inner(mut self) -> *mut nativeTxCreationKeys {
117 assert!(self.is_owned);
118 let ret = self.inner;
119 self.inner = std::ptr::null_mut();
123 impl Clone for TxCreationKeys {
124 fn clone(&self) -> Self {
126 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
127 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
133 /// Used only if an object of this type is returned as a trait impl by a method
134 pub(crate) extern "C" fn TxCreationKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
135 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeTxCreationKeys)).clone() })) as *mut c_void
138 pub extern "C" fn TxCreationKeys_clone(orig: &TxCreationKeys) -> TxCreationKeys {
141 /// The broadcaster's per-commitment public key which was used to derive the other keys.
143 pub extern "C" fn TxCreationKeys_get_per_commitment_point(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
144 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.per_commitment_point;
145 crate::c_types::PublicKey::from_rust(&(*inner_val))
147 /// The broadcaster's per-commitment public key which was used to derive the other keys.
149 pub extern "C" fn TxCreationKeys_set_per_commitment_point(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
150 unsafe { &mut *this_ptr.inner }.per_commitment_point = val.into_rust();
152 /// The revocation key which is used to allow the broadcaster of the commitment
153 /// transaction to provide their counterparty the ability to punish them if they broadcast
156 pub extern "C" fn TxCreationKeys_get_revocation_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
157 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_key;
158 crate::c_types::PublicKey::from_rust(&(*inner_val))
160 /// The revocation key which is used to allow the broadcaster of the commitment
161 /// transaction to provide their counterparty the ability to punish them if they broadcast
164 pub extern "C" fn TxCreationKeys_set_revocation_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
165 unsafe { &mut *this_ptr.inner }.revocation_key = val.into_rust();
167 /// Broadcaster's HTLC Key
169 pub extern "C" fn TxCreationKeys_get_broadcaster_htlc_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
170 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.broadcaster_htlc_key;
171 crate::c_types::PublicKey::from_rust(&(*inner_val))
173 /// Broadcaster's HTLC Key
175 pub extern "C" fn TxCreationKeys_set_broadcaster_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
176 unsafe { &mut *this_ptr.inner }.broadcaster_htlc_key = val.into_rust();
178 /// Countersignatory's HTLC Key
180 pub extern "C" fn TxCreationKeys_get_countersignatory_htlc_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
181 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.countersignatory_htlc_key;
182 crate::c_types::PublicKey::from_rust(&(*inner_val))
184 /// Countersignatory's HTLC Key
186 pub extern "C" fn TxCreationKeys_set_countersignatory_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
187 unsafe { &mut *this_ptr.inner }.countersignatory_htlc_key = val.into_rust();
189 /// Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
191 pub extern "C" fn TxCreationKeys_get_broadcaster_delayed_payment_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
192 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.broadcaster_delayed_payment_key;
193 crate::c_types::PublicKey::from_rust(&(*inner_val))
195 /// Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
197 pub extern "C" fn TxCreationKeys_set_broadcaster_delayed_payment_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
198 unsafe { &mut *this_ptr.inner }.broadcaster_delayed_payment_key = val.into_rust();
202 pub extern "C" fn TxCreationKeys_new(mut per_commitment_point_arg: crate::c_types::PublicKey, mut revocation_key_arg: crate::c_types::PublicKey, mut broadcaster_htlc_key_arg: crate::c_types::PublicKey, mut countersignatory_htlc_key_arg: crate::c_types::PublicKey, mut broadcaster_delayed_payment_key_arg: crate::c_types::PublicKey) -> TxCreationKeys {
203 TxCreationKeys { inner: Box::into_raw(Box::new(nativeTxCreationKeys {
204 per_commitment_point: per_commitment_point_arg.into_rust(),
205 revocation_key: revocation_key_arg.into_rust(),
206 broadcaster_htlc_key: broadcaster_htlc_key_arg.into_rust(),
207 countersignatory_htlc_key: countersignatory_htlc_key_arg.into_rust(),
208 broadcaster_delayed_payment_key: broadcaster_delayed_payment_key_arg.into_rust(),
209 })), is_owned: true }
212 pub extern "C" fn TxCreationKeys_write(obj: &TxCreationKeys) -> crate::c_types::derived::CVec_u8Z {
213 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
216 pub(crate) extern "C" fn TxCreationKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
217 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeTxCreationKeys) })
220 pub extern "C" fn TxCreationKeys_read(ser: crate::c_types::u8slice) -> TxCreationKeys {
221 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
222 TxCreationKeys { inner: Box::into_raw(Box::new(res)), is_owned: true }
224 TxCreationKeys { inner: std::ptr::null_mut(), is_owned: true }
228 use lightning::ln::chan_utils::ChannelPublicKeys as nativeChannelPublicKeysImport;
229 type nativeChannelPublicKeys = nativeChannelPublicKeysImport;
231 /// One counterparty's public keys which do not change over the life of a channel.
234 pub struct ChannelPublicKeys {
235 /// Nearly everywhere, inner must be non-null, however in places where
236 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
237 pub inner: *mut nativeChannelPublicKeys,
241 impl Drop for ChannelPublicKeys {
243 if self.is_owned && !self.inner.is_null() {
244 let _ = unsafe { Box::from_raw(self.inner) };
249 pub extern "C" fn ChannelPublicKeys_free(this_ptr: ChannelPublicKeys) { }
251 /// Used only if an object of this type is returned as a trait impl by a method
252 extern "C" fn ChannelPublicKeys_free_void(this_ptr: *mut c_void) {
253 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelPublicKeys); }
256 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
257 impl ChannelPublicKeys {
258 pub(crate) fn take_inner(mut self) -> *mut nativeChannelPublicKeys {
259 assert!(self.is_owned);
260 let ret = self.inner;
261 self.inner = std::ptr::null_mut();
265 impl Clone for ChannelPublicKeys {
266 fn clone(&self) -> Self {
268 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
269 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
275 /// Used only if an object of this type is returned as a trait impl by a method
276 pub(crate) extern "C" fn ChannelPublicKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
277 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelPublicKeys)).clone() })) as *mut c_void
280 pub extern "C" fn ChannelPublicKeys_clone(orig: &ChannelPublicKeys) -> ChannelPublicKeys {
283 /// The public key which is used to sign all commitment transactions, as it appears in the
284 /// on-chain channel lock-in 2-of-2 multisig output.
286 pub extern "C" fn ChannelPublicKeys_get_funding_pubkey(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
287 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.funding_pubkey;
288 crate::c_types::PublicKey::from_rust(&(*inner_val))
290 /// The public key which is used to sign all commitment transactions, as it appears in the
291 /// on-chain channel lock-in 2-of-2 multisig output.
293 pub extern "C" fn ChannelPublicKeys_set_funding_pubkey(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
294 unsafe { &mut *this_ptr.inner }.funding_pubkey = val.into_rust();
296 /// The base point which is used (with derive_public_revocation_key) to derive per-commitment
297 /// revocation keys. This is combined with the per-commitment-secret generated by the
298 /// counterparty to create a secret which the counterparty can reveal to revoke previous
301 pub extern "C" fn ChannelPublicKeys_get_revocation_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
302 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_basepoint;
303 crate::c_types::PublicKey::from_rust(&(*inner_val))
305 /// The base point which is used (with derive_public_revocation_key) to derive per-commitment
306 /// revocation keys. This is combined with the per-commitment-secret generated by the
307 /// counterparty to create a secret which the counterparty can reveal to revoke previous
310 pub extern "C" fn ChannelPublicKeys_set_revocation_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
311 unsafe { &mut *this_ptr.inner }.revocation_basepoint = val.into_rust();
313 /// The public key on which the non-broadcaster (ie the countersignatory) receives an immediately
314 /// spendable primary channel balance on the broadcaster's commitment transaction. This key is
315 /// static across every commitment transaction.
317 pub extern "C" fn ChannelPublicKeys_get_payment_point(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
318 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.payment_point;
319 crate::c_types::PublicKey::from_rust(&(*inner_val))
321 /// The public key on which the non-broadcaster (ie the countersignatory) receives an immediately
322 /// spendable primary channel balance on the broadcaster's commitment transaction. This key is
323 /// static across every commitment transaction.
325 pub extern "C" fn ChannelPublicKeys_set_payment_point(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
326 unsafe { &mut *this_ptr.inner }.payment_point = val.into_rust();
328 /// The base point which is used (with derive_public_key) to derive a per-commitment payment
329 /// public key which receives non-HTLC-encumbered funds which are only available for spending
330 /// after some delay (or can be claimed via the revocation path).
332 pub extern "C" fn ChannelPublicKeys_get_delayed_payment_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
333 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.delayed_payment_basepoint;
334 crate::c_types::PublicKey::from_rust(&(*inner_val))
336 /// The base point which is used (with derive_public_key) to derive a per-commitment payment
337 /// public key which receives non-HTLC-encumbered funds which are only available for spending
338 /// after some delay (or can be claimed via the revocation path).
340 pub extern "C" fn ChannelPublicKeys_set_delayed_payment_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
341 unsafe { &mut *this_ptr.inner }.delayed_payment_basepoint = val.into_rust();
343 /// The base point which is used (with derive_public_key) to derive a per-commitment public key
344 /// which is used to encumber HTLC-in-flight outputs.
346 pub extern "C" fn ChannelPublicKeys_get_htlc_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
347 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.htlc_basepoint;
348 crate::c_types::PublicKey::from_rust(&(*inner_val))
350 /// The base point which is used (with derive_public_key) to derive a per-commitment public key
351 /// which is used to encumber HTLC-in-flight outputs.
353 pub extern "C" fn ChannelPublicKeys_set_htlc_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
354 unsafe { &mut *this_ptr.inner }.htlc_basepoint = val.into_rust();
358 pub extern "C" fn ChannelPublicKeys_new(mut funding_pubkey_arg: crate::c_types::PublicKey, mut revocation_basepoint_arg: crate::c_types::PublicKey, mut payment_point_arg: crate::c_types::PublicKey, mut delayed_payment_basepoint_arg: crate::c_types::PublicKey, mut htlc_basepoint_arg: crate::c_types::PublicKey) -> ChannelPublicKeys {
359 ChannelPublicKeys { inner: Box::into_raw(Box::new(nativeChannelPublicKeys {
360 funding_pubkey: funding_pubkey_arg.into_rust(),
361 revocation_basepoint: revocation_basepoint_arg.into_rust(),
362 payment_point: payment_point_arg.into_rust(),
363 delayed_payment_basepoint: delayed_payment_basepoint_arg.into_rust(),
364 htlc_basepoint: htlc_basepoint_arg.into_rust(),
365 })), is_owned: true }
368 pub extern "C" fn ChannelPublicKeys_write(obj: &ChannelPublicKeys) -> crate::c_types::derived::CVec_u8Z {
369 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
372 pub(crate) extern "C" fn ChannelPublicKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
373 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelPublicKeys) })
376 pub extern "C" fn ChannelPublicKeys_read(ser: crate::c_types::u8slice) -> ChannelPublicKeys {
377 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
378 ChannelPublicKeys { inner: Box::into_raw(Box::new(res)), is_owned: true }
380 ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }
383 /// Create per-state keys from channel base points and the per-commitment point.
384 /// Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
387 pub extern "C" fn TxCreationKeys_derive_new(mut per_commitment_point: crate::c_types::PublicKey, mut broadcaster_delayed_payment_base: crate::c_types::PublicKey, mut broadcaster_htlc_base: crate::c_types::PublicKey, mut countersignatory_revocation_base: crate::c_types::PublicKey, mut countersignatory_htlc_base: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_TxCreationKeysSecpErrorZ {
388 let mut ret = lightning::ln::chan_utils::TxCreationKeys::derive_new(&bitcoin::secp256k1::Secp256k1::new(), &per_commitment_point.into_rust(), &broadcaster_delayed_payment_base.into_rust(), &broadcaster_htlc_base.into_rust(), &countersignatory_revocation_base.into_rust(), &countersignatory_htlc_base.into_rust());
389 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::ln::chan_utils::TxCreationKeys { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
393 /// Generate per-state keys from channel static keys.
394 /// Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
397 pub extern "C" fn TxCreationKeys_from_channel_static_keys(mut per_commitment_point: crate::c_types::PublicKey, broadcaster_keys: &crate::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CResult_TxCreationKeysSecpErrorZ {
398 let mut ret = lightning::ln::chan_utils::TxCreationKeys::from_channel_static_keys(&per_commitment_point.into_rust(), unsafe { &*broadcaster_keys.inner }, unsafe { &*countersignatory_keys.inner }, &bitcoin::secp256k1::Secp256k1::new());
399 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::ln::chan_utils::TxCreationKeys { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() };
403 /// A script either spendable by the revocation
404 /// key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain.
405 /// Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions.
407 pub extern "C" fn get_revokeable_redeemscript(mut revocation_key: crate::c_types::PublicKey, mut contest_delay: u16, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
408 let mut ret = lightning::ln::chan_utils::get_revokeable_redeemscript(&revocation_key.into_rust(), contest_delay, &broadcaster_delayed_payment_key.into_rust());
409 ret.into_bytes().into()
413 use lightning::ln::chan_utils::HTLCOutputInCommitment as nativeHTLCOutputInCommitmentImport;
414 type nativeHTLCOutputInCommitment = nativeHTLCOutputInCommitmentImport;
416 /// Information about an HTLC as it appears in a commitment transaction
419 pub struct HTLCOutputInCommitment {
420 /// Nearly everywhere, inner must be non-null, however in places where
421 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
422 pub inner: *mut nativeHTLCOutputInCommitment,
426 impl Drop for HTLCOutputInCommitment {
428 if self.is_owned && !self.inner.is_null() {
429 let _ = unsafe { Box::from_raw(self.inner) };
434 pub extern "C" fn HTLCOutputInCommitment_free(this_ptr: HTLCOutputInCommitment) { }
436 /// Used only if an object of this type is returned as a trait impl by a method
437 extern "C" fn HTLCOutputInCommitment_free_void(this_ptr: *mut c_void) {
438 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeHTLCOutputInCommitment); }
441 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
442 impl HTLCOutputInCommitment {
443 pub(crate) fn take_inner(mut self) -> *mut nativeHTLCOutputInCommitment {
444 assert!(self.is_owned);
445 let ret = self.inner;
446 self.inner = std::ptr::null_mut();
450 impl Clone for HTLCOutputInCommitment {
451 fn clone(&self) -> Self {
453 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
454 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
460 /// Used only if an object of this type is returned as a trait impl by a method
461 pub(crate) extern "C" fn HTLCOutputInCommitment_clone_void(this_ptr: *const c_void) -> *mut c_void {
462 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHTLCOutputInCommitment)).clone() })) as *mut c_void
465 pub extern "C" fn HTLCOutputInCommitment_clone(orig: &HTLCOutputInCommitment) -> HTLCOutputInCommitment {
468 /// Whether the HTLC was \"offered\" (ie outbound in relation to this commitment transaction).
469 /// Note that this is not the same as whether it is ountbound *from us*. To determine that you
470 /// need to compare this value to whether the commitment transaction in question is that of
471 /// the counterparty or our own.
473 pub extern "C" fn HTLCOutputInCommitment_get_offered(this_ptr: &HTLCOutputInCommitment) -> bool {
474 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.offered;
477 /// Whether the HTLC was \"offered\" (ie outbound in relation to this commitment transaction).
478 /// Note that this is not the same as whether it is ountbound *from us*. To determine that you
479 /// need to compare this value to whether the commitment transaction in question is that of
480 /// the counterparty or our own.
482 pub extern "C" fn HTLCOutputInCommitment_set_offered(this_ptr: &mut HTLCOutputInCommitment, mut val: bool) {
483 unsafe { &mut *this_ptr.inner }.offered = val;
485 /// The value, in msat, of the HTLC. The value as it appears in the commitment transaction is
486 /// this divided by 1000.
488 pub extern "C" fn HTLCOutputInCommitment_get_amount_msat(this_ptr: &HTLCOutputInCommitment) -> u64 {
489 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.amount_msat;
492 /// The value, in msat, of the HTLC. The value as it appears in the commitment transaction is
493 /// this divided by 1000.
495 pub extern "C" fn HTLCOutputInCommitment_set_amount_msat(this_ptr: &mut HTLCOutputInCommitment, mut val: u64) {
496 unsafe { &mut *this_ptr.inner }.amount_msat = val;
498 /// The CLTV lock-time at which this HTLC expires.
500 pub extern "C" fn HTLCOutputInCommitment_get_cltv_expiry(this_ptr: &HTLCOutputInCommitment) -> u32 {
501 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.cltv_expiry;
504 /// The CLTV lock-time at which this HTLC expires.
506 pub extern "C" fn HTLCOutputInCommitment_set_cltv_expiry(this_ptr: &mut HTLCOutputInCommitment, mut val: u32) {
507 unsafe { &mut *this_ptr.inner }.cltv_expiry = val;
509 /// The hash of the preimage which unlocks this HTLC.
511 pub extern "C" fn HTLCOutputInCommitment_get_payment_hash(this_ptr: &HTLCOutputInCommitment) -> *const [u8; 32] {
512 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.payment_hash;
515 /// The hash of the preimage which unlocks this HTLC.
517 pub extern "C" fn HTLCOutputInCommitment_set_payment_hash(this_ptr: &mut HTLCOutputInCommitment, mut val: crate::c_types::ThirtyTwoBytes) {
518 unsafe { &mut *this_ptr.inner }.payment_hash = ::lightning::ln::channelmanager::PaymentHash(val.data);
521 pub extern "C" fn HTLCOutputInCommitment_write(obj: &HTLCOutputInCommitment) -> crate::c_types::derived::CVec_u8Z {
522 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
525 pub(crate) extern "C" fn HTLCOutputInCommitment_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
526 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHTLCOutputInCommitment) })
529 pub extern "C" fn HTLCOutputInCommitment_read(ser: crate::c_types::u8slice) -> HTLCOutputInCommitment {
530 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
531 HTLCOutputInCommitment { inner: Box::into_raw(Box::new(res)), is_owned: true }
533 HTLCOutputInCommitment { inner: std::ptr::null_mut(), is_owned: true }
536 /// Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc
537 /// does not need to have its previous_output_index filled.
539 pub extern "C" fn get_htlc_redeemscript(htlc: &crate::ln::chan_utils::HTLCOutputInCommitment, keys: &crate::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z {
540 let mut ret = lightning::ln::chan_utils::get_htlc_redeemscript(unsafe { &*htlc.inner }, unsafe { &*keys.inner });
541 ret.into_bytes().into()
544 /// Gets the redeemscript for a funding output from the two funding public keys.
545 /// Note that the order of funding public keys does not matter.
547 pub extern "C" fn make_funding_redeemscript(mut broadcaster: crate::c_types::PublicKey, mut countersignatory: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
548 let mut ret = lightning::ln::chan_utils::make_funding_redeemscript(&broadcaster.into_rust(), &countersignatory.into_rust());
549 ret.into_bytes().into()
552 /// panics if htlc.transaction_output_index.is_none()!
554 pub extern "C" fn build_htlc_transaction(prev_hash: *const [u8; 32], mut feerate_per_kw: u32, mut contest_delay: u16, htlc: &crate::ln::chan_utils::HTLCOutputInCommitment, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction {
555 let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*prev_hash }[..]).unwrap(), feerate_per_kw, contest_delay, unsafe { &*htlc.inner }, &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust());
556 let mut local_ret = ::bitcoin::consensus::encode::serialize(&ret);
557 crate::c_types::Transaction::from_vec(local_ret)
561 use lightning::ln::chan_utils::ChannelTransactionParameters as nativeChannelTransactionParametersImport;
562 type nativeChannelTransactionParameters = nativeChannelTransactionParametersImport;
564 /// Per-channel data used to build transactions in conjunction with the per-commitment data (CommitmentTransaction).
565 /// The fields are organized by holder/counterparty.
567 /// Normally, this is converted to the broadcaster/countersignatory-organized DirectedChannelTransactionParameters
568 /// before use, via the as_holder_broadcastable and as_counterparty_broadcastable functions.
571 pub struct ChannelTransactionParameters {
572 /// Nearly everywhere, inner must be non-null, however in places where
573 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
574 pub inner: *mut nativeChannelTransactionParameters,
578 impl Drop for ChannelTransactionParameters {
580 if self.is_owned && !self.inner.is_null() {
581 let _ = unsafe { Box::from_raw(self.inner) };
586 pub extern "C" fn ChannelTransactionParameters_free(this_ptr: ChannelTransactionParameters) { }
588 /// Used only if an object of this type is returned as a trait impl by a method
589 extern "C" fn ChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
590 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelTransactionParameters); }
593 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
594 impl ChannelTransactionParameters {
595 pub(crate) fn take_inner(mut self) -> *mut nativeChannelTransactionParameters {
596 assert!(self.is_owned);
597 let ret = self.inner;
598 self.inner = std::ptr::null_mut();
602 impl Clone for ChannelTransactionParameters {
603 fn clone(&self) -> Self {
605 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
606 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
612 /// Used only if an object of this type is returned as a trait impl by a method
613 pub(crate) extern "C" fn ChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
614 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelTransactionParameters)).clone() })) as *mut c_void
617 pub extern "C" fn ChannelTransactionParameters_clone(orig: &ChannelTransactionParameters) -> ChannelTransactionParameters {
620 /// Holder public keys
622 pub extern "C" fn ChannelTransactionParameters_get_holder_pubkeys(this_ptr: &ChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
623 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.holder_pubkeys;
624 crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&((*inner_val)) as *const _) as *mut _) }, is_owned: false }
626 /// Holder public keys
628 pub extern "C" fn ChannelTransactionParameters_set_holder_pubkeys(this_ptr: &mut ChannelTransactionParameters, mut val: crate::ln::chan_utils::ChannelPublicKeys) {
629 unsafe { &mut *this_ptr.inner }.holder_pubkeys = *unsafe { Box::from_raw(val.take_inner()) };
631 /// The contest delay selected by the holder, which applies to counterparty-broadcast transactions
633 pub extern "C" fn ChannelTransactionParameters_get_holder_selected_contest_delay(this_ptr: &ChannelTransactionParameters) -> u16 {
634 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.holder_selected_contest_delay;
637 /// The contest delay selected by the holder, which applies to counterparty-broadcast transactions
639 pub extern "C" fn ChannelTransactionParameters_set_holder_selected_contest_delay(this_ptr: &mut ChannelTransactionParameters, mut val: u16) {
640 unsafe { &mut *this_ptr.inner }.holder_selected_contest_delay = val;
642 /// Whether the holder is the initiator of this channel.
643 /// This is an input to the commitment number obscure factor computation.
645 pub extern "C" fn ChannelTransactionParameters_get_is_outbound_from_holder(this_ptr: &ChannelTransactionParameters) -> bool {
646 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_outbound_from_holder;
649 /// Whether the holder is the initiator of this channel.
650 /// This is an input to the commitment number obscure factor computation.
652 pub extern "C" fn ChannelTransactionParameters_set_is_outbound_from_holder(this_ptr: &mut ChannelTransactionParameters, mut val: bool) {
653 unsafe { &mut *this_ptr.inner }.is_outbound_from_holder = val;
655 /// The late-bound counterparty channel transaction parameters.
656 /// These parameters are populated at the point in the protocol where the counterparty provides them.
658 pub extern "C" fn ChannelTransactionParameters_get_counterparty_parameters(this_ptr: &ChannelTransactionParameters) -> crate::ln::chan_utils::CounterpartyChannelTransactionParameters {
659 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.counterparty_parameters;
660 let mut local_inner_val = crate::ln::chan_utils::CounterpartyChannelTransactionParameters { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { { (inner_val.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false };
663 /// The late-bound counterparty channel transaction parameters.
664 /// These parameters are populated at the point in the protocol where the counterparty provides them.
666 pub extern "C" fn ChannelTransactionParameters_set_counterparty_parameters(this_ptr: &mut ChannelTransactionParameters, mut val: crate::ln::chan_utils::CounterpartyChannelTransactionParameters) {
667 let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) };
668 unsafe { &mut *this_ptr.inner }.counterparty_parameters = local_val;
670 /// The late-bound funding outpoint
672 pub extern "C" fn ChannelTransactionParameters_get_funding_outpoint(this_ptr: &ChannelTransactionParameters) -> crate::chain::transaction::OutPoint {
673 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.funding_outpoint;
674 let mut local_inner_val = crate::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { { (inner_val.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false };
677 /// The late-bound funding outpoint
679 pub extern "C" fn ChannelTransactionParameters_set_funding_outpoint(this_ptr: &mut ChannelTransactionParameters, mut val: crate::chain::transaction::OutPoint) {
680 let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) };
681 unsafe { &mut *this_ptr.inner }.funding_outpoint = local_val;
685 pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::chain::transaction::OutPoint) -> ChannelTransactionParameters {
686 let mut local_counterparty_parameters_arg = if counterparty_parameters_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(counterparty_parameters_arg.take_inner()) } }) };
687 let mut local_funding_outpoint_arg = if funding_outpoint_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(funding_outpoint_arg.take_inner()) } }) };
688 ChannelTransactionParameters { inner: Box::into_raw(Box::new(nativeChannelTransactionParameters {
689 holder_pubkeys: *unsafe { Box::from_raw(holder_pubkeys_arg.take_inner()) },
690 holder_selected_contest_delay: holder_selected_contest_delay_arg,
691 is_outbound_from_holder: is_outbound_from_holder_arg,
692 counterparty_parameters: local_counterparty_parameters_arg,
693 funding_outpoint: local_funding_outpoint_arg,
694 })), is_owned: true }
697 use lightning::ln::chan_utils::CounterpartyChannelTransactionParameters as nativeCounterpartyChannelTransactionParametersImport;
698 type nativeCounterpartyChannelTransactionParameters = nativeCounterpartyChannelTransactionParametersImport;
700 /// Late-bound per-channel counterparty data used to build transactions.
703 pub struct CounterpartyChannelTransactionParameters {
704 /// Nearly everywhere, inner must be non-null, however in places where
705 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
706 pub inner: *mut nativeCounterpartyChannelTransactionParameters,
710 impl Drop for CounterpartyChannelTransactionParameters {
712 if self.is_owned && !self.inner.is_null() {
713 let _ = unsafe { Box::from_raw(self.inner) };
718 pub extern "C" fn CounterpartyChannelTransactionParameters_free(this_ptr: CounterpartyChannelTransactionParameters) { }
720 /// Used only if an object of this type is returned as a trait impl by a method
721 extern "C" fn CounterpartyChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
722 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyChannelTransactionParameters); }
725 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
726 impl CounterpartyChannelTransactionParameters {
727 pub(crate) fn take_inner(mut self) -> *mut nativeCounterpartyChannelTransactionParameters {
728 assert!(self.is_owned);
729 let ret = self.inner;
730 self.inner = std::ptr::null_mut();
734 impl Clone for CounterpartyChannelTransactionParameters {
735 fn clone(&self) -> Self {
737 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
738 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
744 /// Used only if an object of this type is returned as a trait impl by a method
745 pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
746 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyChannelTransactionParameters)).clone() })) as *mut c_void
749 pub extern "C" fn CounterpartyChannelTransactionParameters_clone(orig: &CounterpartyChannelTransactionParameters) -> CounterpartyChannelTransactionParameters {
752 /// Counter-party public keys
754 pub extern "C" fn CounterpartyChannelTransactionParameters_get_pubkeys(this_ptr: &CounterpartyChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
755 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.pubkeys;
756 crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&((*inner_val)) as *const _) as *mut _) }, is_owned: false }
758 /// Counter-party public keys
760 pub extern "C" fn CounterpartyChannelTransactionParameters_set_pubkeys(this_ptr: &mut CounterpartyChannelTransactionParameters, mut val: crate::ln::chan_utils::ChannelPublicKeys) {
761 unsafe { &mut *this_ptr.inner }.pubkeys = *unsafe { Box::from_raw(val.take_inner()) };
763 /// The contest delay selected by the counterparty, which applies to holder-broadcast transactions
765 pub extern "C" fn CounterpartyChannelTransactionParameters_get_selected_contest_delay(this_ptr: &CounterpartyChannelTransactionParameters) -> u16 {
766 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.selected_contest_delay;
769 /// The contest delay selected by the counterparty, which applies to holder-broadcast transactions
771 pub extern "C" fn CounterpartyChannelTransactionParameters_set_selected_contest_delay(this_ptr: &mut CounterpartyChannelTransactionParameters, mut val: u16) {
772 unsafe { &mut *this_ptr.inner }.selected_contest_delay = val;
776 pub extern "C" fn CounterpartyChannelTransactionParameters_new(mut pubkeys_arg: crate::ln::chan_utils::ChannelPublicKeys, mut selected_contest_delay_arg: u16) -> CounterpartyChannelTransactionParameters {
777 CounterpartyChannelTransactionParameters { inner: Box::into_raw(Box::new(nativeCounterpartyChannelTransactionParameters {
778 pubkeys: *unsafe { Box::from_raw(pubkeys_arg.take_inner()) },
779 selected_contest_delay: selected_contest_delay_arg,
780 })), is_owned: true }
782 /// Whether the late bound parameters are populated.
785 pub extern "C" fn ChannelTransactionParameters_is_populated(this_arg: &ChannelTransactionParameters) -> bool {
786 let mut ret = unsafe { &*this_arg.inner }.is_populated();
790 /// Convert the holder/counterparty parameters to broadcaster/countersignatory-organized parameters,
791 /// given that the holder is the broadcaster.
793 /// self.is_populated() must be true before calling this function.
796 pub extern "C" fn ChannelTransactionParameters_as_holder_broadcastable(this_arg: &ChannelTransactionParameters) -> crate::ln::chan_utils::DirectedChannelTransactionParameters {
797 let mut ret = unsafe { &*this_arg.inner }.as_holder_broadcastable();
798 crate::ln::chan_utils::DirectedChannelTransactionParameters { inner: Box::into_raw(Box::new(ret)), is_owned: true }
801 /// Convert the holder/counterparty parameters to broadcaster/countersignatory-organized parameters,
802 /// given that the counterparty is the broadcaster.
804 /// self.is_populated() must be true before calling this function.
807 pub extern "C" fn ChannelTransactionParameters_as_counterparty_broadcastable(this_arg: &ChannelTransactionParameters) -> crate::ln::chan_utils::DirectedChannelTransactionParameters {
808 let mut ret = unsafe { &*this_arg.inner }.as_counterparty_broadcastable();
809 crate::ln::chan_utils::DirectedChannelTransactionParameters { inner: Box::into_raw(Box::new(ret)), is_owned: true }
813 pub extern "C" fn CounterpartyChannelTransactionParameters_write(obj: &CounterpartyChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
814 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
817 pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
818 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyChannelTransactionParameters) })
821 pub extern "C" fn CounterpartyChannelTransactionParameters_read(ser: crate::c_types::u8slice) -> CounterpartyChannelTransactionParameters {
822 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
823 CounterpartyChannelTransactionParameters { inner: Box::into_raw(Box::new(res)), is_owned: true }
825 CounterpartyChannelTransactionParameters { inner: std::ptr::null_mut(), is_owned: true }
829 pub extern "C" fn ChannelTransactionParameters_write(obj: &ChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
830 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
833 pub(crate) extern "C" fn ChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
834 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelTransactionParameters) })
837 pub extern "C" fn ChannelTransactionParameters_read(ser: crate::c_types::u8slice) -> ChannelTransactionParameters {
838 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
839 ChannelTransactionParameters { inner: Box::into_raw(Box::new(res)), is_owned: true }
841 ChannelTransactionParameters { inner: std::ptr::null_mut(), is_owned: true }
845 use lightning::ln::chan_utils::DirectedChannelTransactionParameters as nativeDirectedChannelTransactionParametersImport;
846 type nativeDirectedChannelTransactionParameters = nativeDirectedChannelTransactionParametersImport<'static>;
848 /// Static channel fields used to build transactions given per-commitment fields, organized by
849 /// broadcaster/countersignatory.
851 /// This is derived from the holder/counterparty-organized ChannelTransactionParameters via the
852 /// as_holder_broadcastable and as_counterparty_broadcastable functions.
855 pub struct DirectedChannelTransactionParameters {
856 /// Nearly everywhere, inner must be non-null, however in places where
857 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
858 pub inner: *mut nativeDirectedChannelTransactionParameters,
862 impl Drop for DirectedChannelTransactionParameters {
864 if self.is_owned && !self.inner.is_null() {
865 let _ = unsafe { Box::from_raw(self.inner) };
870 pub extern "C" fn DirectedChannelTransactionParameters_free(this_ptr: DirectedChannelTransactionParameters) { }
872 /// Used only if an object of this type is returned as a trait impl by a method
873 extern "C" fn DirectedChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
874 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeDirectedChannelTransactionParameters); }
877 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
878 impl DirectedChannelTransactionParameters {
879 pub(crate) fn take_inner(mut self) -> *mut nativeDirectedChannelTransactionParameters {
880 assert!(self.is_owned);
881 let ret = self.inner;
882 self.inner = std::ptr::null_mut();
886 /// Get the channel pubkeys for the broadcaster
889 pub extern "C" fn DirectedChannelTransactionParameters_broadcaster_pubkeys(this_arg: &DirectedChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
890 let mut ret = unsafe { &*this_arg.inner }.broadcaster_pubkeys();
891 crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
894 /// Get the channel pubkeys for the countersignatory
897 pub extern "C" fn DirectedChannelTransactionParameters_countersignatory_pubkeys(this_arg: &DirectedChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
898 let mut ret = unsafe { &*this_arg.inner }.countersignatory_pubkeys();
899 crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
902 /// Get the contest delay applicable to the transactions.
903 /// Note that the contest delay was selected by the countersignatory.
906 pub extern "C" fn DirectedChannelTransactionParameters_contest_delay(this_arg: &DirectedChannelTransactionParameters) -> u16 {
907 let mut ret = unsafe { &*this_arg.inner }.contest_delay();
911 /// Whether the channel is outbound from the broadcaster.
913 /// The boolean representing the side that initiated the channel is
914 /// an input to the commitment number obscure factor computation.
917 pub extern "C" fn DirectedChannelTransactionParameters_is_outbound(this_arg: &DirectedChannelTransactionParameters) -> bool {
918 let mut ret = unsafe { &*this_arg.inner }.is_outbound();
922 /// The funding outpoint
925 pub extern "C" fn DirectedChannelTransactionParameters_funding_outpoint(this_arg: &DirectedChannelTransactionParameters) -> crate::chain::transaction::OutPoint {
926 let mut ret = unsafe { &*this_arg.inner }.funding_outpoint();
927 crate::c_types::bitcoin_to_C_outpoint(ret)
931 use lightning::ln::chan_utils::HolderCommitmentTransaction as nativeHolderCommitmentTransactionImport;
932 type nativeHolderCommitmentTransaction = nativeHolderCommitmentTransactionImport;
934 /// Information needed to build and sign a holder's commitment transaction.
936 /// The transaction is only signed once we are ready to broadcast.
939 pub struct HolderCommitmentTransaction {
940 /// Nearly everywhere, inner must be non-null, however in places where
941 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
942 pub inner: *mut nativeHolderCommitmentTransaction,
946 impl Drop for HolderCommitmentTransaction {
948 if self.is_owned && !self.inner.is_null() {
949 let _ = unsafe { Box::from_raw(self.inner) };
954 pub extern "C" fn HolderCommitmentTransaction_free(this_ptr: HolderCommitmentTransaction) { }
956 /// Used only if an object of this type is returned as a trait impl by a method
957 extern "C" fn HolderCommitmentTransaction_free_void(this_ptr: *mut c_void) {
958 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeHolderCommitmentTransaction); }
961 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
962 impl HolderCommitmentTransaction {
963 pub(crate) fn take_inner(mut self) -> *mut nativeHolderCommitmentTransaction {
964 assert!(self.is_owned);
965 let ret = self.inner;
966 self.inner = std::ptr::null_mut();
970 impl Clone for HolderCommitmentTransaction {
971 fn clone(&self) -> Self {
973 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
974 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
980 /// Used only if an object of this type is returned as a trait impl by a method
981 pub(crate) extern "C" fn HolderCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
982 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHolderCommitmentTransaction)).clone() })) as *mut c_void
985 pub extern "C" fn HolderCommitmentTransaction_clone(orig: &HolderCommitmentTransaction) -> HolderCommitmentTransaction {
988 /// Our counterparty's signature for the transaction
990 pub extern "C" fn HolderCommitmentTransaction_get_counterparty_sig(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::Signature {
991 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.counterparty_sig;
992 crate::c_types::Signature::from_rust(&(*inner_val))
994 /// Our counterparty's signature for the transaction
996 pub extern "C" fn HolderCommitmentTransaction_set_counterparty_sig(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::Signature) {
997 unsafe { &mut *this_ptr.inner }.counterparty_sig = val.into_rust();
999 /// All non-dust counterparty HTLC signatures, in the order they appear in the transaction
1001 pub extern "C" fn HolderCommitmentTransaction_set_counterparty_htlc_sigs(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::derived::CVec_SignatureZ) {
1002 let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { item.into_rust() }); };
1003 unsafe { &mut *this_ptr.inner }.counterparty_htlc_sigs = local_val;
1006 pub extern "C" fn HolderCommitmentTransaction_write(obj: &HolderCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
1007 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
1010 pub(crate) extern "C" fn HolderCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1011 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHolderCommitmentTransaction) })
1014 pub extern "C" fn HolderCommitmentTransaction_read(ser: crate::c_types::u8slice) -> HolderCommitmentTransaction {
1015 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
1016 HolderCommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
1018 HolderCommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
1021 /// Create a new holder transaction with the given counterparty signatures.
1022 /// The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
1025 pub extern "C" fn HolderCommitmentTransaction_new(mut commitment_tx: crate::ln::chan_utils::CommitmentTransaction, mut counterparty_sig: crate::c_types::Signature, mut counterparty_htlc_sigs: crate::c_types::derived::CVec_SignatureZ, mut holder_funding_key: crate::c_types::PublicKey, mut counterparty_funding_key: crate::c_types::PublicKey) -> HolderCommitmentTransaction {
1026 let mut local_counterparty_htlc_sigs = Vec::new(); for mut item in counterparty_htlc_sigs.into_rust().drain(..) { local_counterparty_htlc_sigs.push( { item.into_rust() }); };
1027 let mut ret = lightning::ln::chan_utils::HolderCommitmentTransaction::new(*unsafe { Box::from_raw(commitment_tx.take_inner()) }, counterparty_sig.into_rust(), local_counterparty_htlc_sigs, &holder_funding_key.into_rust(), &counterparty_funding_key.into_rust());
1028 HolderCommitmentTransaction { inner: Box::into_raw(Box::new(ret)), is_owned: true }
1032 use lightning::ln::chan_utils::BuiltCommitmentTransaction as nativeBuiltCommitmentTransactionImport;
1033 type nativeBuiltCommitmentTransaction = nativeBuiltCommitmentTransactionImport;
1035 /// A pre-built Bitcoin commitment transaction and its txid.
1038 pub struct BuiltCommitmentTransaction {
1039 /// Nearly everywhere, inner must be non-null, however in places where
1040 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1041 pub inner: *mut nativeBuiltCommitmentTransaction,
1045 impl Drop for BuiltCommitmentTransaction {
1046 fn drop(&mut self) {
1047 if self.is_owned && !self.inner.is_null() {
1048 let _ = unsafe { Box::from_raw(self.inner) };
1053 pub extern "C" fn BuiltCommitmentTransaction_free(this_ptr: BuiltCommitmentTransaction) { }
1055 /// Used only if an object of this type is returned as a trait impl by a method
1056 extern "C" fn BuiltCommitmentTransaction_free_void(this_ptr: *mut c_void) {
1057 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeBuiltCommitmentTransaction); }
1060 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1061 impl BuiltCommitmentTransaction {
1062 pub(crate) fn take_inner(mut self) -> *mut nativeBuiltCommitmentTransaction {
1063 assert!(self.is_owned);
1064 let ret = self.inner;
1065 self.inner = std::ptr::null_mut();
1069 impl Clone for BuiltCommitmentTransaction {
1070 fn clone(&self) -> Self {
1072 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
1073 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
1079 /// Used only if an object of this type is returned as a trait impl by a method
1080 pub(crate) extern "C" fn BuiltCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
1081 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBuiltCommitmentTransaction)).clone() })) as *mut c_void
1084 pub extern "C" fn BuiltCommitmentTransaction_clone(orig: &BuiltCommitmentTransaction) -> BuiltCommitmentTransaction {
1087 /// The commitment transaction
1089 pub extern "C" fn BuiltCommitmentTransaction_get_transaction(this_ptr: &BuiltCommitmentTransaction) -> crate::c_types::Transaction {
1090 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.transaction;
1091 let mut local_inner_val = ::bitcoin::consensus::encode::serialize(inner_val);
1092 crate::c_types::Transaction::from_vec(local_inner_val)
1094 /// The commitment transaction
1096 pub extern "C" fn BuiltCommitmentTransaction_set_transaction(this_ptr: &mut BuiltCommitmentTransaction, mut val: crate::c_types::Transaction) {
1097 unsafe { &mut *this_ptr.inner }.transaction = val.into_bitcoin();
1099 /// The txid for the commitment transaction.
1101 /// This is provided as a performance optimization, instead of calling transaction.txid()
1104 pub extern "C" fn BuiltCommitmentTransaction_get_txid(this_ptr: &BuiltCommitmentTransaction) -> *const [u8; 32] {
1105 let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.txid;
1106 (*inner_val).as_inner()
1108 /// The txid for the commitment transaction.
1110 /// This is provided as a performance optimization, instead of calling transaction.txid()
1113 pub extern "C" fn BuiltCommitmentTransaction_set_txid(this_ptr: &mut BuiltCommitmentTransaction, mut val: crate::c_types::ThirtyTwoBytes) {
1114 unsafe { &mut *this_ptr.inner }.txid = ::bitcoin::hash_types::Txid::from_slice(&val.data[..]).unwrap();
1118 pub extern "C" fn BuiltCommitmentTransaction_new(mut transaction_arg: crate::c_types::Transaction, mut txid_arg: crate::c_types::ThirtyTwoBytes) -> BuiltCommitmentTransaction {
1119 BuiltCommitmentTransaction { inner: Box::into_raw(Box::new(nativeBuiltCommitmentTransaction {
1120 transaction: transaction_arg.into_bitcoin(),
1121 txid: ::bitcoin::hash_types::Txid::from_slice(&txid_arg.data[..]).unwrap(),
1122 })), is_owned: true }
1125 pub extern "C" fn BuiltCommitmentTransaction_write(obj: &BuiltCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
1126 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
1129 pub(crate) extern "C" fn BuiltCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1130 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeBuiltCommitmentTransaction) })
1133 pub extern "C" fn BuiltCommitmentTransaction_read(ser: crate::c_types::u8slice) -> BuiltCommitmentTransaction {
1134 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
1135 BuiltCommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
1137 BuiltCommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
1140 /// Get the SIGHASH_ALL sighash value of the transaction.
1142 /// This can be used to verify a signature.
1145 pub extern "C" fn BuiltCommitmentTransaction_get_sighash_all(this_arg: &BuiltCommitmentTransaction, mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ThirtyTwoBytes {
1146 let mut ret = unsafe { &*this_arg.inner }.get_sighash_all(&::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis);
1147 crate::c_types::ThirtyTwoBytes { data: ret.as_ref().clone() }
1150 /// Sign a transaction, either because we are counter-signing the counterparty's transaction or
1151 /// because we are about to broadcast a holder transaction.
1154 pub extern "C" fn BuiltCommitmentTransaction_sign(this_arg: &BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::Signature {
1155 let mut ret = unsafe { &*this_arg.inner }.sign(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, &bitcoin::secp256k1::Secp256k1::new());
1156 crate::c_types::Signature::from_rust(&ret)
1160 use lightning::ln::chan_utils::CommitmentTransaction as nativeCommitmentTransactionImport;
1161 type nativeCommitmentTransaction = nativeCommitmentTransactionImport;
1163 /// This class tracks the per-transaction information needed to build a commitment transaction and to
1164 /// actually build it and sign. It is used for holder transactions that we sign only when needed
1165 /// and for transactions we sign for the counterparty.
1167 /// This class can be used inside a signer implementation to generate a signature given the relevant
1171 pub struct CommitmentTransaction {
1172 /// Nearly everywhere, inner must be non-null, however in places where
1173 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1174 pub inner: *mut nativeCommitmentTransaction,
1178 impl Drop for CommitmentTransaction {
1179 fn drop(&mut self) {
1180 if self.is_owned && !self.inner.is_null() {
1181 let _ = unsafe { Box::from_raw(self.inner) };
1186 pub extern "C" fn CommitmentTransaction_free(this_ptr: CommitmentTransaction) { }
1188 /// Used only if an object of this type is returned as a trait impl by a method
1189 extern "C" fn CommitmentTransaction_free_void(this_ptr: *mut c_void) {
1190 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCommitmentTransaction); }
1193 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1194 impl CommitmentTransaction {
1195 pub(crate) fn take_inner(mut self) -> *mut nativeCommitmentTransaction {
1196 assert!(self.is_owned);
1197 let ret = self.inner;
1198 self.inner = std::ptr::null_mut();
1202 impl Clone for CommitmentTransaction {
1203 fn clone(&self) -> Self {
1205 inner: if self.inner.is_null() { std::ptr::null_mut() } else {
1206 Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) },
1212 /// Used only if an object of this type is returned as a trait impl by a method
1213 pub(crate) extern "C" fn CommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
1214 Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCommitmentTransaction)).clone() })) as *mut c_void
1217 pub extern "C" fn CommitmentTransaction_clone(orig: &CommitmentTransaction) -> CommitmentTransaction {
1221 pub extern "C" fn CommitmentTransaction_write(obj: &CommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
1222 crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
1225 pub(crate) extern "C" fn CommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
1226 crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCommitmentTransaction) })
1229 pub extern "C" fn CommitmentTransaction_read(ser: crate::c_types::u8slice) -> CommitmentTransaction {
1230 if let Ok(res) = crate::c_types::deserialize_obj(ser) {
1231 CommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
1233 CommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
1236 /// The backwards-counting commitment number
1239 pub extern "C" fn CommitmentTransaction_commitment_number(this_arg: &CommitmentTransaction) -> u64 {
1240 let mut ret = unsafe { &*this_arg.inner }.commitment_number();
1244 /// The value to be sent to the broadcaster
1247 pub extern "C" fn CommitmentTransaction_to_broadcaster_value_sat(this_arg: &CommitmentTransaction) -> u64 {
1248 let mut ret = unsafe { &*this_arg.inner }.to_broadcaster_value_sat();
1252 /// The value to be sent to the counterparty
1255 pub extern "C" fn CommitmentTransaction_to_countersignatory_value_sat(this_arg: &CommitmentTransaction) -> u64 {
1256 let mut ret = unsafe { &*this_arg.inner }.to_countersignatory_value_sat();
1260 /// The feerate paid per 1000-weight-unit in this commitment transaction.
1263 pub extern "C" fn CommitmentTransaction_feerate_per_kw(this_arg: &CommitmentTransaction) -> u32 {
1264 let mut ret = unsafe { &*this_arg.inner }.feerate_per_kw();
1268 /// Trust our pre-built transaction and derived transaction creation public keys.
1270 /// Applies a wrapper which allows access to these fields.
1272 /// This should only be used if you fully trust the builder of this object. It should not
1273 ///\tbe used by an external signer - instead use the verify function.
1276 pub extern "C" fn CommitmentTransaction_trust(this_arg: &CommitmentTransaction) -> crate::ln::chan_utils::TrustedCommitmentTransaction {
1277 let mut ret = unsafe { &*this_arg.inner }.trust();
1278 crate::ln::chan_utils::TrustedCommitmentTransaction { inner: Box::into_raw(Box::new(ret)), is_owned: true }
1281 /// Verify our pre-built transaction and derived transaction creation public keys.
1283 /// Applies a wrapper which allows access to these fields.
1285 /// An external validating signer must call this method before signing
1286 /// or using the built transaction.
1289 pub extern "C" fn CommitmentTransaction_verify(this_arg: &CommitmentTransaction, channel_parameters: &crate::ln::chan_utils::DirectedChannelTransactionParameters, broadcaster_keys: &crate::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CResult_TrustedCommitmentTransactionNoneZ {
1290 let mut ret = unsafe { &*this_arg.inner }.verify(unsafe { &*channel_parameters.inner }, unsafe { &*broadcaster_keys.inner }, unsafe { &*countersignatory_keys.inner }, &bitcoin::secp256k1::Secp256k1::new());
1291 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::ln::chan_utils::TrustedCommitmentTransaction { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }).into() };
1296 use lightning::ln::chan_utils::TrustedCommitmentTransaction as nativeTrustedCommitmentTransactionImport;
1297 type nativeTrustedCommitmentTransaction = nativeTrustedCommitmentTransactionImport<'static>;
1299 /// A wrapper on CommitmentTransaction indicating that the derived fields (the built bitcoin
1300 /// transaction and the transaction creation keys) are trusted.
1302 /// See trust() and verify() functions on CommitmentTransaction.
1304 /// This structure implements Deref.
1307 pub struct TrustedCommitmentTransaction {
1308 /// Nearly everywhere, inner must be non-null, however in places where
1309 /// the Rust equivalent takes an Option, it may be set to null to indicate None.
1310 pub inner: *mut nativeTrustedCommitmentTransaction,
1314 impl Drop for TrustedCommitmentTransaction {
1315 fn drop(&mut self) {
1316 if self.is_owned && !self.inner.is_null() {
1317 let _ = unsafe { Box::from_raw(self.inner) };
1322 pub extern "C" fn TrustedCommitmentTransaction_free(this_ptr: TrustedCommitmentTransaction) { }
1324 /// Used only if an object of this type is returned as a trait impl by a method
1325 extern "C" fn TrustedCommitmentTransaction_free_void(this_ptr: *mut c_void) {
1326 unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTrustedCommitmentTransaction); }
1329 /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
1330 impl TrustedCommitmentTransaction {
1331 pub(crate) fn take_inner(mut self) -> *mut nativeTrustedCommitmentTransaction {
1332 assert!(self.is_owned);
1333 let ret = self.inner;
1334 self.inner = std::ptr::null_mut();
1338 /// The transaction ID of the built Bitcoin transaction
1341 pub extern "C" fn TrustedCommitmentTransaction_txid(this_arg: &TrustedCommitmentTransaction) -> crate::c_types::ThirtyTwoBytes {
1342 let mut ret = unsafe { &*this_arg.inner }.txid();
1343 crate::c_types::ThirtyTwoBytes { data: ret.into_inner() }
1346 /// The pre-built Bitcoin commitment transaction
1349 pub extern "C" fn TrustedCommitmentTransaction_built_transaction(this_arg: &TrustedCommitmentTransaction) -> crate::ln::chan_utils::BuiltCommitmentTransaction {
1350 let mut ret = unsafe { &*this_arg.inner }.built_transaction();
1351 crate::ln::chan_utils::BuiltCommitmentTransaction { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1354 /// The pre-calculated transaction creation public keys.
1357 pub extern "C" fn TrustedCommitmentTransaction_keys(this_arg: &TrustedCommitmentTransaction) -> crate::ln::chan_utils::TxCreationKeys {
1358 let mut ret = unsafe { &*this_arg.inner }.keys();
1359 crate::ln::chan_utils::TxCreationKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
1362 /// Get a signature for each HTLC which was included in the commitment transaction (ie for
1363 /// which HTLCOutputInCommitment::transaction_output_index.is_some()).
1365 /// The returned Vec has one entry for each HTLC, and in the same order.
1368 pub extern "C" fn TrustedCommitmentTransaction_get_htlc_sigs(this_arg: &TrustedCommitmentTransaction, htlc_base_key: *const [u8; 32], channel_parameters: &crate::ln::chan_utils::DirectedChannelTransactionParameters) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ {
1369 let mut ret = unsafe { &*this_arg.inner }.get_htlc_sigs(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *htlc_base_key}[..]).unwrap(), unsafe { &*channel_parameters.inner }, &bitcoin::secp256k1::Secp256k1::new());
1370 let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for item in o.drain(..) { local_ret_0.push( { crate::c_types::Signature::from_rust(&item) }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }).into() };
1374 /// Get the transaction number obscure factor
1376 pub extern "C" fn get_commitment_transaction_number_obscure_factor(mut broadcaster_payment_basepoint: crate::c_types::PublicKey, mut countersignatory_payment_basepoint: crate::c_types::PublicKey, mut outbound_from_broadcaster: bool) -> u64 {
1377 let mut ret = lightning::ln::chan_utils::get_commitment_transaction_number_obscure_factor(&broadcaster_payment_basepoint.into_rust(), &countersignatory_payment_basepoint.into_rust(), outbound_from_broadcaster);