+
+use lightning::sign::ChannelDerivationParameters as nativeChannelDerivationParametersImport;
+pub(crate) type nativeChannelDerivationParameters = nativeChannelDerivationParametersImport;
+
+/// The parameters required to derive a channel signer via [`SignerProvider`].
+#[must_use]
+#[repr(C)]
+pub struct ChannelDerivationParameters {
+ /// A pointer to the opaque Rust object.
+
+ /// Nearly everywhere, inner must be non-null, however in places where
+ /// the Rust equivalent takes an Option, it may be set to null to indicate None.
+ pub inner: *mut nativeChannelDerivationParameters,
+ /// Indicates that this is the only struct which contains the same pointer.
+
+ /// Rust functions which take ownership of an object provided via an argument require
+ /// this to be true and invalidate the object pointed to by inner.
+ pub is_owned: bool,
+}
+
+impl Drop for ChannelDerivationParameters {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeChannelDerivationParameters>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
+ }
+ }
+}
+/// Frees any resources used by the ChannelDerivationParameters, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_free(this_obj: ChannelDerivationParameters) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn ChannelDerivationParameters_free_void(this_ptr: *mut c_void) {
+ let _ = unsafe { Box::from_raw(this_ptr as *mut nativeChannelDerivationParameters) };
+}
+#[allow(unused)]
+impl ChannelDerivationParameters {
+ pub(crate) fn get_native_ref(&self) -> &'static nativeChannelDerivationParameters {
+ unsafe { &*ObjOps::untweak_ptr(self.inner) }
+ }
+ pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelDerivationParameters {
+ unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
+ }
+ /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+ pub(crate) fn take_inner(mut self) -> *mut nativeChannelDerivationParameters {
+ assert!(self.is_owned);
+ let ret = ObjOps::untweak_ptr(self.inner);
+ self.inner = core::ptr::null_mut();
+ ret
+ }
+}
+/// The value in satoshis of the channel we're attempting to spend the anchor output of.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_get_value_satoshis(this_ptr: &ChannelDerivationParameters) -> u64 {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().value_satoshis;
+ *inner_val
+}
+/// The value in satoshis of the channel we're attempting to spend the anchor output of.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_set_value_satoshis(this_ptr: &mut ChannelDerivationParameters, mut val: u64) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.value_satoshis = val;
+}
+/// The unique identifier to re-derive the signer for the associated channel.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_get_keys_id(this_ptr: &ChannelDerivationParameters) -> *const [u8; 32] {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().keys_id;
+ inner_val
+}
+/// The unique identifier to re-derive the signer for the associated channel.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_set_keys_id(this_ptr: &mut ChannelDerivationParameters, mut val: crate::c_types::ThirtyTwoBytes) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.keys_id = val.data;
+}
+/// The necessary channel parameters that need to be provided to the re-derived signer through
+/// [`ChannelSigner::provide_channel_parameters`].
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_get_transaction_parameters(this_ptr: &ChannelDerivationParameters) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().transaction_parameters;
+ crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false }
+}
+/// The necessary channel parameters that need to be provided to the re-derived signer through
+/// [`ChannelSigner::provide_channel_parameters`].
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_set_transaction_parameters(this_ptr: &mut ChannelDerivationParameters, mut val: crate::lightning::ln::chan_utils::ChannelTransactionParameters) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.transaction_parameters = *unsafe { Box::from_raw(val.take_inner()) };
+}
+/// Constructs a new ChannelDerivationParameters given each field
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_new(mut value_satoshis_arg: u64, mut keys_id_arg: crate::c_types::ThirtyTwoBytes, mut transaction_parameters_arg: crate::lightning::ln::chan_utils::ChannelTransactionParameters) -> ChannelDerivationParameters {
+ ChannelDerivationParameters { inner: ObjOps::heap_alloc(nativeChannelDerivationParameters {
+ value_satoshis: value_satoshis_arg,
+ keys_id: keys_id_arg.data,
+ transaction_parameters: *unsafe { Box::from_raw(transaction_parameters_arg.take_inner()) },
+ }), is_owned: true }
+}
+impl Clone for ChannelDerivationParameters {
+ fn clone(&self) -> Self {
+ Self {
+ inner: if <*mut nativeChannelDerivationParameters>::is_null(self.inner) { core::ptr::null_mut() } else {
+ ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn ChannelDerivationParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeChannelDerivationParameters)).clone() })) as *mut c_void
+}
+#[no_mangle]
+/// Creates a copy of the ChannelDerivationParameters
+pub extern "C" fn ChannelDerivationParameters_clone(orig: &ChannelDerivationParameters) -> ChannelDerivationParameters {
+ orig.clone()
+}
+/// Checks if two ChannelDerivationParameterss contain equal inner contents.
+/// This ignores pointers and is_owned flags and looks at the values in fields.
+/// Two objects with NULL inner values will be considered "equal" here.
+#[no_mangle]
+pub extern "C" fn ChannelDerivationParameters_eq(a: &ChannelDerivationParameters, b: &ChannelDerivationParameters) -> bool {
+ if a.inner == b.inner { return true; }
+ if a.inner.is_null() || b.inner.is_null() { return false; }
+ if a.get_native_ref() == b.get_native_ref() { true } else { false }
+}
+#[no_mangle]
+/// Serialize the ChannelDerivationParameters object into a byte array which can be read by ChannelDerivationParameters_read
+pub extern "C" fn ChannelDerivationParameters_write(obj: &crate::lightning::sign::ChannelDerivationParameters) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
+}
+#[allow(unused)]
+pub(crate) extern "C" fn ChannelDerivationParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelDerivationParameters) })
+}
+#[no_mangle]
+/// Read a ChannelDerivationParameters from a byte array, created by ChannelDerivationParameters_write
+pub extern "C" fn ChannelDerivationParameters_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChannelDerivationParametersDecodeErrorZ {
+ let res: Result<lightning::sign::ChannelDerivationParameters, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
+ let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::ChannelDerivationParameters { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
+ local_res
+}
+
+use lightning::sign::HTLCDescriptor as nativeHTLCDescriptorImport;
+pub(crate) type nativeHTLCDescriptor = nativeHTLCDescriptorImport;
+
+/// A descriptor used to sign for a commitment transaction's HTLC output.
+#[must_use]
+#[repr(C)]
+pub struct HTLCDescriptor {
+ /// A pointer to the opaque Rust object.
+
+ /// Nearly everywhere, inner must be non-null, however in places where
+ /// the Rust equivalent takes an Option, it may be set to null to indicate None.
+ pub inner: *mut nativeHTLCDescriptor,
+ /// Indicates that this is the only struct which contains the same pointer.
+
+ /// Rust functions which take ownership of an object provided via an argument require
+ /// this to be true and invalidate the object pointed to by inner.
+ pub is_owned: bool,
+}
+
+impl Drop for HTLCDescriptor {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeHTLCDescriptor>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
+ }
+ }
+}
+/// Frees any resources used by the HTLCDescriptor, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_free(this_obj: HTLCDescriptor) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn HTLCDescriptor_free_void(this_ptr: *mut c_void) {
+ let _ = unsafe { Box::from_raw(this_ptr as *mut nativeHTLCDescriptor) };
+}
+#[allow(unused)]
+impl HTLCDescriptor {
+ pub(crate) fn get_native_ref(&self) -> &'static nativeHTLCDescriptor {
+ unsafe { &*ObjOps::untweak_ptr(self.inner) }
+ }
+ pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeHTLCDescriptor {
+ unsafe { &mut *ObjOps::untweak_ptr(self.inner) }
+ }
+ /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+ pub(crate) fn take_inner(mut self) -> *mut nativeHTLCDescriptor {
+ assert!(self.is_owned);
+ let ret = ObjOps::untweak_ptr(self.inner);
+ self.inner = core::ptr::null_mut();
+ ret
+ }
+}
+/// The parameters required to derive the signer for the HTLC input.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_channel_derivation_parameters(this_ptr: &HTLCDescriptor) -> crate::lightning::sign::ChannelDerivationParameters {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_derivation_parameters;
+ crate::lightning::sign::ChannelDerivationParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::sign::ChannelDerivationParameters<>) as *mut _) }, is_owned: false }
+}
+/// The parameters required to derive the signer for the HTLC input.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_channel_derivation_parameters(this_ptr: &mut HTLCDescriptor, mut val: crate::lightning::sign::ChannelDerivationParameters) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_derivation_parameters = *unsafe { Box::from_raw(val.take_inner()) };
+}
+/// The number of the commitment transaction in which the HTLC output lives.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_per_commitment_number(this_ptr: &HTLCDescriptor) -> u64 {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().per_commitment_number;
+ *inner_val
+}
+/// The number of the commitment transaction in which the HTLC output lives.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_per_commitment_number(this_ptr: &mut HTLCDescriptor, mut val: u64) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.per_commitment_number = val;
+}
+/// The key tweak corresponding to the number of the commitment transaction in which the HTLC
+/// output lives. This tweak is applied to all the basepoints for both parties in the channel to
+/// arrive at unique keys per commitment.
+///
+/// See <https://github.com/lightning/bolts/blob/master/03-transactions.md#keys> for more info.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_per_commitment_point(this_ptr: &HTLCDescriptor) -> crate::c_types::PublicKey {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().per_commitment_point;
+ crate::c_types::PublicKey::from_rust(&inner_val)
+}
+/// The key tweak corresponding to the number of the commitment transaction in which the HTLC
+/// output lives. This tweak is applied to all the basepoints for both parties in the channel to
+/// arrive at unique keys per commitment.
+///
+/// See <https://github.com/lightning/bolts/blob/master/03-transactions.md#keys> for more info.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_per_commitment_point(this_ptr: &mut HTLCDescriptor, mut val: crate::c_types::PublicKey) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.per_commitment_point = val.into_rust();
+}
+/// The feerate to use on the HTLC claiming transaction. This is always `0` for HTLCs
+/// originating from a channel supporting anchor outputs, otherwise it is the channel's
+/// negotiated feerate at the time the commitment transaction was built.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_feerate_per_kw(this_ptr: &HTLCDescriptor) -> u32 {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().feerate_per_kw;
+ *inner_val
+}
+/// The feerate to use on the HTLC claiming transaction. This is always `0` for HTLCs
+/// originating from a channel supporting anchor outputs, otherwise it is the channel's
+/// negotiated feerate at the time the commitment transaction was built.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_feerate_per_kw(this_ptr: &mut HTLCDescriptor, mut val: u32) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.feerate_per_kw = val;
+}
+/// The details of the HTLC as it appears in the commitment transaction.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_htlc(this_ptr: &HTLCDescriptor) -> crate::lightning::ln::chan_utils::HTLCOutputInCommitment {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().htlc;
+ crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false }
+}
+/// The details of the HTLC as it appears in the commitment transaction.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_htlc(this_ptr: &mut HTLCDescriptor, mut val: crate::lightning::ln::chan_utils::HTLCOutputInCommitment) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc = *unsafe { Box::from_raw(val.take_inner()) };
+}
+/// The preimage, if `Some`, to claim the HTLC output with. If `None`, the timeout path must be
+/// taken.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_preimage(this_ptr: &HTLCDescriptor) -> crate::c_types::derived::COption_ThirtyTwoBytesZ {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().preimage;
+ let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_ThirtyTwoBytesZ::None } else { crate::c_types::derived::COption_ThirtyTwoBytesZ::Some(/* WARNING: CLONING CONVERSION HERE! &Option<Enum> is otherwise un-expressable. */ { crate::c_types::ThirtyTwoBytes { data: (*inner_val.as_ref().unwrap()).clone().0 } }) };
+ local_inner_val
+}
+/// The preimage, if `Some`, to claim the HTLC output with. If `None`, the timeout path must be
+/// taken.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_preimage(this_ptr: &mut HTLCDescriptor, mut val: crate::c_types::derived::COption_ThirtyTwoBytesZ) {
+ let mut local_val = { /*val*/ let val_opt = val; if val_opt.is_none() { None } else { Some({ { ::lightning::ln::PaymentPreimage({ val_opt.take() }.data) }})} };
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.preimage = local_val;
+}
+/// The counterparty's signature required to spend the HTLC output.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_get_counterparty_sig(this_ptr: &HTLCDescriptor) -> crate::c_types::ECDSASignature {
+ let mut inner_val = &mut this_ptr.get_native_mut_ref().counterparty_sig;
+ crate::c_types::ECDSASignature::from_rust(&inner_val)
+}
+/// The counterparty's signature required to spend the HTLC output.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_set_counterparty_sig(this_ptr: &mut HTLCDescriptor, mut val: crate::c_types::ECDSASignature) {
+ unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.counterparty_sig = val.into_rust();
+}
+impl Clone for HTLCDescriptor {
+ fn clone(&self) -> Self {
+ Self {
+ inner: if <*mut nativeHTLCDescriptor>::is_null(self.inner) { core::ptr::null_mut() } else {
+ ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) },
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn HTLCDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeHTLCDescriptor)).clone() })) as *mut c_void
+}
+#[no_mangle]
+/// Creates a copy of the HTLCDescriptor
+pub extern "C" fn HTLCDescriptor_clone(orig: &HTLCDescriptor) -> HTLCDescriptor {
+ orig.clone()
+}
+/// Checks if two HTLCDescriptors contain equal inner contents.
+/// This ignores pointers and is_owned flags and looks at the values in fields.
+/// Two objects with NULL inner values will be considered "equal" here.
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_eq(a: &HTLCDescriptor, b: &HTLCDescriptor) -> bool {
+ if a.inner == b.inner { return true; }
+ if a.inner.is_null() || b.inner.is_null() { return false; }
+ if a.get_native_ref() == b.get_native_ref() { true } else { false }
+}
+#[no_mangle]
+/// Serialize the HTLCDescriptor object into a byte array which can be read by HTLCDescriptor_read
+pub extern "C" fn HTLCDescriptor_write(obj: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
+}
+#[allow(unused)]
+pub(crate) extern "C" fn HTLCDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHTLCDescriptor) })
+}
+#[no_mangle]
+/// Read a HTLCDescriptor from a byte array, created by HTLCDescriptor_write
+pub extern "C" fn HTLCDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_HTLCDescriptorDecodeErrorZ {
+ let res: Result<lightning::sign::HTLCDescriptor, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
+ let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::HTLCDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() };
+ local_res
+}
+/// Returns the outpoint of the HTLC output in the commitment transaction. This is the outpoint
+/// being spent by the HTLC input in the HTLC transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_outpoint(this_arg: &crate::lightning::sign::HTLCDescriptor) -> crate::lightning::chain::transaction::OutPoint {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.outpoint();
+ crate::c_types::bitcoin_to_C_outpoint(&ret)
+}
+
+/// Returns the UTXO to be spent by the HTLC input, which can be obtained via
+/// [`Self::unsigned_tx_input`].
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_previous_utxo(this_arg: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::TxOut {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.previous_utxo(secp256k1::global::SECP256K1);
+ crate::c_types::TxOut::from_rust(&ret)
+}
+
+/// Returns the unsigned transaction input spending the HTLC output in the commitment
+/// transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_unsigned_tx_input(this_arg: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::TxIn {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.unsigned_tx_input();
+ crate::c_types::TxIn::from_rust(&ret)
+}
+
+/// Returns the delayed output created as a result of spending the HTLC output in the commitment
+/// transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_tx_output(this_arg: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::TxOut {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.tx_output(secp256k1::global::SECP256K1);
+ crate::c_types::TxOut::from_rust(&ret)
+}
+
+/// Returns the witness script of the HTLC output in the commitment transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_witness_script(this_arg: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::derived::CVec_u8Z {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.witness_script(secp256k1::global::SECP256K1);
+ ret.into_bytes().into()
+}
+
+/// Returns the fully signed witness required to spend the HTLC output in the commitment
+/// transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_tx_input_witness(this_arg: &crate::lightning::sign::HTLCDescriptor, mut signature: crate::c_types::ECDSASignature, mut witness_script: crate::c_types::u8slice) -> crate::c_types::Witness {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.tx_input_witness(&signature.into_rust(), &::bitcoin::blockdata::script::Script::from(Vec::from(witness_script.to_slice())));
+ crate::c_types::Witness::from_bitcoin(&ret)
+}
+
+/// Derives the channel signer required to sign the HTLC input.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HTLCDescriptor_derive_channel_signer(this_arg: &crate::lightning::sign::HTLCDescriptor, signer_provider: &crate::lightning::sign::SignerProvider) -> crate::lightning::sign::WriteableEcdsaChannelSigner {
+ let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_signer(signer_provider);
+ Into::into(ret)
+}
+