X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fsign%2Fmod.rs;fp=lightning-c-bindings%2Fsrc%2Flightning%2Fsign%2Fmod.rs;h=e565a04d1ee04c0e6e0b23c0b0f3490ef49a1271;hp=0000000000000000000000000000000000000000;hb=00ed41fad818748a795634e82040b04c1ea4455d;hpb=c14513fd07359c39e2e27c2e7d475ca522f03db5 diff --git a/lightning-c-bindings/src/lightning/sign/mod.rs b/lightning-c-bindings/src/lightning/sign/mod.rs new file mode 100644 index 0000000..e565a04 --- /dev/null +++ b/lightning-c-bindings/src/lightning/sign/mod.rs @@ -0,0 +1,2836 @@ +// This file is Copyright its original authors, visible in version control +// history and in the source files from which this was generated. +// +// This file is licensed under the license available in the LICENSE or LICENSE.md +// file in the root of this repository or, if no such file exists, the same +// license as that which applies to the original source files from which this +// source was automatically generated. + +//! Provides keys to LDK and defines some useful objects describing spendable on-chain outputs. +//! +//! The provided output descriptors follow a custom LDK data format and are currently not fully +//! compatible with Bitcoin Core output descriptors. + +use alloc::str::FromStr; +use alloc::string::String; +use core::ffi::c_void; +use core::convert::Infallible; +use bitcoin::hashes::Hash; +use crate::c_types::*; +#[cfg(feature="no-std")] +use alloc::{vec::Vec, boxed::Box}; + +pub mod ecdsa; +mod type_resolver { + +use alloc::str::FromStr; +use alloc::string::String; +use core::ffi::c_void; +use core::convert::Infallible; +use bitcoin::hashes::Hash; +use crate::c_types::*; +#[cfg(feature="no-std")] +use alloc::{vec::Vec, boxed::Box}; + +} + +use lightning::sign::DelayedPaymentOutputDescriptor as nativeDelayedPaymentOutputDescriptorImport; +pub(crate) type nativeDelayedPaymentOutputDescriptor = nativeDelayedPaymentOutputDescriptorImport; + +/// Information about a spendable output to a P2WSH script. +/// +/// See [`SpendableOutputDescriptor::DelayedPaymentOutput`] for more details on how to spend this. +#[must_use] +#[repr(C)] +pub struct DelayedPaymentOutputDescriptor { + /// 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 nativeDelayedPaymentOutputDescriptor, + /// 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 DelayedPaymentOutputDescriptor { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the DelayedPaymentOutputDescriptor, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_free(this_obj: DelayedPaymentOutputDescriptor) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeDelayedPaymentOutputDescriptor) }; +} +#[allow(unused)] +impl DelayedPaymentOutputDescriptor { + pub(crate) fn get_native_ref(&self) -> &'static nativeDelayedPaymentOutputDescriptor { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeDelayedPaymentOutputDescriptor { + 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 nativeDelayedPaymentOutputDescriptor { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// The outpoint which is spendable. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_outpoint(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint { + let mut inner_val = &mut this_ptr.get_native_mut_ref().outpoint; + crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false } +} +/// The outpoint which is spendable. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_outpoint(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outpoint = *unsafe { Box::from_raw(val.take_inner()) }; +} +/// Per commitment point to derive the delayed payment key by key holder. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_per_commitment_point(this_ptr: &DelayedPaymentOutputDescriptor) -> 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) +} +/// Per commitment point to derive the delayed payment key by key holder. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_per_commitment_point(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::PublicKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.per_commitment_point = val.into_rust(); +} +/// The `nSequence` value which must be set in the spending input to satisfy the `OP_CSV` in +/// the witness_script. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_to_self_delay(this_ptr: &DelayedPaymentOutputDescriptor) -> u16 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().to_self_delay; + *inner_val +} +/// The `nSequence` value which must be set in the spending input to satisfy the `OP_CSV` in +/// the witness_script. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_to_self_delay(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u16) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.to_self_delay = val; +} +/// The output which is referenced by the given outpoint. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_output(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::TxOut { + let mut inner_val = &mut this_ptr.get_native_mut_ref().output; + crate::c_types::TxOut::from_rust(inner_val) +} +/// The output which is referenced by the given outpoint. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_output(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::TxOut) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.output = val.into_rust(); +} +/// The revocation point specific to the commitment transaction which was broadcast. Used to +/// derive the witnessScript for this output. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_revocation_pubkey(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::lightning::ln::channel_keys::RevocationKey { + let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_pubkey; + crate::lightning::ln::channel_keys::RevocationKey { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::RevocationKey<>) as *mut _) }, is_owned: false } +} +/// The revocation point specific to the commitment transaction which was broadcast. Used to +/// derive the witnessScript for this output. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_revocation_pubkey(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::lightning::ln::channel_keys::RevocationKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_pubkey = *unsafe { Box::from_raw(val.take_inner()) }; +} +/// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`]. +/// This may be useful in re-deriving keys used in the channel to spend the output. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &DelayedPaymentOutputDescriptor) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id; + inner_val +} +/// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`]. +/// This may be useful in re-deriving keys used in the channel to spend the output. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_keys_id = val.data; +} +/// The value of the channel which this output originated from, possibly indirectly. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &DelayedPaymentOutputDescriptor) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_value_satoshis; + *inner_val +} +/// The value of the channel which this output originated from, possibly indirectly. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut DelayedPaymentOutputDescriptor, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val; +} +/// Constructs a new DelayedPaymentOutputDescriptor given each field +#[must_use] +#[no_mangle] +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::lightning::ln::channel_keys::RevocationKey, mut channel_keys_id_arg: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis_arg: u64) -> DelayedPaymentOutputDescriptor { + DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(nativeDelayedPaymentOutputDescriptor { + outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) }, + per_commitment_point: per_commitment_point_arg.into_rust(), + to_self_delay: to_self_delay_arg, + output: output_arg.into_rust(), + revocation_pubkey: *unsafe { Box::from_raw(revocation_pubkey_arg.take_inner()) }, + channel_keys_id: channel_keys_id_arg.data, + channel_value_satoshis: channel_value_satoshis_arg, + }), is_owned: true } +} +impl Clone for DelayedPaymentOutputDescriptor { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeDelayedPaymentOutputDescriptor>::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 DelayedPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeDelayedPaymentOutputDescriptor)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the DelayedPaymentOutputDescriptor +pub extern "C" fn DelayedPaymentOutputDescriptor_clone(orig: &DelayedPaymentOutputDescriptor) -> DelayedPaymentOutputDescriptor { + orig.clone() +} +/// Get a string which allows debug introspection of a DelayedPaymentOutputDescriptor object +pub extern "C" fn DelayedPaymentOutputDescriptor_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::DelayedPaymentOutputDescriptor }).into()} +/// Generates a non-cryptographic 64-bit hash of the DelayedPaymentOutputDescriptor. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_hash(o: &DelayedPaymentOutputDescriptor) -> u64 { + if o.inner.is_null() { return 0; } + // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core + #[allow(deprecated)] + let mut hasher = core::hash::SipHasher::new(); + core::hash::Hash::hash(o.get_native_ref(), &mut hasher); + core::hash::Hasher::finish(&hasher) +} +/// Checks if two DelayedPaymentOutputDescriptors 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 DelayedPaymentOutputDescriptor_eq(a: &DelayedPaymentOutputDescriptor, b: &DelayedPaymentOutputDescriptor) -> 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 DelayedPaymentOutputDescriptor object into a byte array which can be read by DelayedPaymentOutputDescriptor_read +pub extern "C" fn DelayedPaymentOutputDescriptor_write(obj: &crate::lightning::sign::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[allow(unused)] +pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeDelayedPaymentOutputDescriptor) }) +} +#[no_mangle] +/// Read a DelayedPaymentOutputDescriptor from a byte array, created by DelayedPaymentOutputDescriptor_write +pub extern "C" fn DelayedPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_DelayedPaymentOutputDescriptorDecodeErrorZ { + let res: Result = crate::c_types::deserialize_obj(ser); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} + +use lightning::sign::StaticPaymentOutputDescriptor as nativeStaticPaymentOutputDescriptorImport; +pub(crate) type nativeStaticPaymentOutputDescriptor = nativeStaticPaymentOutputDescriptorImport; + +/// Information about a spendable output to our \"payment key\". +/// +/// See [`SpendableOutputDescriptor::StaticPaymentOutput`] for more details on how to spend this. +#[must_use] +#[repr(C)] +pub struct StaticPaymentOutputDescriptor { + /// 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 nativeStaticPaymentOutputDescriptor, + /// 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 StaticPaymentOutputDescriptor { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the StaticPaymentOutputDescriptor, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_free(this_obj: StaticPaymentOutputDescriptor) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn StaticPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeStaticPaymentOutputDescriptor) }; +} +#[allow(unused)] +impl StaticPaymentOutputDescriptor { + pub(crate) fn get_native_ref(&self) -> &'static nativeStaticPaymentOutputDescriptor { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeStaticPaymentOutputDescriptor { + 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 nativeStaticPaymentOutputDescriptor { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// The outpoint which is spendable. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_outpoint(this_ptr: &StaticPaymentOutputDescriptor) -> crate::lightning::chain::transaction::OutPoint { + let mut inner_val = &mut this_ptr.get_native_mut_ref().outpoint; + crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false } +} +/// The outpoint which is spendable. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_set_outpoint(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::lightning::chain::transaction::OutPoint) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outpoint = *unsafe { Box::from_raw(val.take_inner()) }; +} +/// The output which is referenced by the given outpoint. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_output(this_ptr: &StaticPaymentOutputDescriptor) -> crate::c_types::TxOut { + let mut inner_val = &mut this_ptr.get_native_mut_ref().output; + crate::c_types::TxOut::from_rust(inner_val) +} +/// The output which is referenced by the given outpoint. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_set_output(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::TxOut) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.output = val.into_rust(); +} +/// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`]. +/// This may be useful in re-deriving keys used in the channel to spend the output. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_keys_id(this_ptr: &StaticPaymentOutputDescriptor) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id; + inner_val +} +/// Arbitrary identification information returned by a call to [`ChannelSigner::channel_keys_id`]. +/// This may be useful in re-deriving keys used in the channel to spend the output. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_keys_id(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::c_types::ThirtyTwoBytes) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_keys_id = val.data; +} +/// The value of the channel which this transactions spends. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_value_satoshis(this_ptr: &StaticPaymentOutputDescriptor) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_value_satoshis; + *inner_val +} +/// The value of the channel which this transactions spends. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_value_satoshis(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val; +} +/// The necessary channel parameters that need to be provided to the re-derived signer through +/// [`ChannelSigner::provide_channel_parameters`]. +/// +/// Added as optional, but always `Some` if the descriptor was produced in v0.0.117 or later. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_channel_transaction_parameters(this_ptr: &StaticPaymentOutputDescriptor) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_transaction_parameters; + let mut local_inner_val = crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _ }, is_owned: false }; + local_inner_val +} +/// The necessary channel parameters that need to be provided to the re-derived signer through +/// [`ChannelSigner::provide_channel_parameters`]. +/// +/// Added as optional, but always `Some` if the descriptor was produced in v0.0.117 or later. +/// +/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_set_channel_transaction_parameters(this_ptr: &mut StaticPaymentOutputDescriptor, mut val: crate::lightning::ln::chan_utils::ChannelTransactionParameters) { + let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_transaction_parameters = local_val; +} +/// Constructs a new StaticPaymentOutputDescriptor given each field +/// +/// Note that channel_transaction_parameters_arg (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +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, mut channel_transaction_parameters_arg: crate::lightning::ln::chan_utils::ChannelTransactionParameters) -> StaticPaymentOutputDescriptor { + let mut local_channel_transaction_parameters_arg = if channel_transaction_parameters_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(channel_transaction_parameters_arg.take_inner()) } }) }; + StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(nativeStaticPaymentOutputDescriptor { + outpoint: *unsafe { Box::from_raw(outpoint_arg.take_inner()) }, + output: output_arg.into_rust(), + channel_keys_id: channel_keys_id_arg.data, + channel_value_satoshis: channel_value_satoshis_arg, + channel_transaction_parameters: local_channel_transaction_parameters_arg, + }), is_owned: true } +} +impl Clone for StaticPaymentOutputDescriptor { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeStaticPaymentOutputDescriptor>::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 StaticPaymentOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeStaticPaymentOutputDescriptor)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the StaticPaymentOutputDescriptor +pub extern "C" fn StaticPaymentOutputDescriptor_clone(orig: &StaticPaymentOutputDescriptor) -> StaticPaymentOutputDescriptor { + orig.clone() +} +/// Get a string which allows debug introspection of a StaticPaymentOutputDescriptor object +pub extern "C" fn StaticPaymentOutputDescriptor_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::StaticPaymentOutputDescriptor }).into()} +/// Generates a non-cryptographic 64-bit hash of the StaticPaymentOutputDescriptor. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_hash(o: &StaticPaymentOutputDescriptor) -> u64 { + if o.inner.is_null() { return 0; } + // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core + #[allow(deprecated)] + let mut hasher = core::hash::SipHasher::new(); + core::hash::Hash::hash(o.get_native_ref(), &mut hasher); + core::hash::Hasher::finish(&hasher) +} +/// Checks if two StaticPaymentOutputDescriptors 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 StaticPaymentOutputDescriptor_eq(a: &StaticPaymentOutputDescriptor, b: &StaticPaymentOutputDescriptor) -> 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 } +} +/// Returns the `witness_script` of the spendable output. +/// +/// Note that this will only return `Some` for [`StaticPaymentOutputDescriptor`]s that +/// originated from an anchor outputs channel, as they take the form of a P2WSH script. +#[must_use] +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_witness_script(this_arg: &crate::lightning::sign::StaticPaymentOutputDescriptor) -> crate::c_types::derived::COption_CVec_u8ZZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.witness_script(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_CVec_u8ZZ::None } else { crate::c_types::derived::COption_CVec_u8ZZ::Some( { ret.unwrap().to_bytes().into() }) }; + local_ret +} + +/// The maximum length a well-formed witness spending one of these should have. +/// Note: If you have the grind_signatures feature enabled, this will be at least 1 byte +/// shorter. +#[must_use] +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_max_witness_length(this_arg: &crate::lightning::sign::StaticPaymentOutputDescriptor) -> u64 { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.max_witness_length(); + ret +} + +#[no_mangle] +/// Serialize the StaticPaymentOutputDescriptor object into a byte array which can be read by StaticPaymentOutputDescriptor_read +pub extern "C" fn StaticPaymentOutputDescriptor_write(obj: &crate::lightning::sign::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[allow(unused)] +pub(crate) extern "C" fn StaticPaymentOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeStaticPaymentOutputDescriptor) }) +} +#[no_mangle] +/// Read a StaticPaymentOutputDescriptor from a byte array, created by StaticPaymentOutputDescriptor_write +pub extern "C" fn StaticPaymentOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_StaticPaymentOutputDescriptorDecodeErrorZ { + let res: Result = crate::c_types::deserialize_obj(ser); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} +/// Describes the necessary information to spend a spendable output. +/// +/// When on-chain outputs are created by LDK (which our counterparty is not able to claim at any +/// point in the future) a [`SpendableOutputs`] event is generated which you must track and be able +/// to spend on-chain. The information needed to do this is provided in this enum, including the +/// outpoint describing which `txid` and output `index` is available, the full output which exists +/// at that `txid`/`index`, and any keys or other information required to sign. +/// +/// [`SpendableOutputs`]: crate::events::Event::SpendableOutputs +#[derive(Clone)] +#[must_use] +#[repr(C)] +pub enum SpendableOutputDescriptor { + /// An output to a script which was provided via [`SignerProvider`] directly, either from + /// [`get_destination_script`] or [`get_shutdown_scriptpubkey`], thus you should already + /// know how to spend it. No secret keys are provided as LDK was never given any key. + /// These may include outputs from a transaction punishing our counterparty or claiming an HTLC + /// on-chain using the payment preimage or after it has timed out. + /// + /// [`get_shutdown_scriptpubkey`]: SignerProvider::get_shutdown_scriptpubkey + /// [`get_destination_script`]: SignerProvider::get_shutdown_scriptpubkey + StaticOutput { + /// The outpoint which is spendable. + outpoint: crate::lightning::chain::transaction::OutPoint, + /// The output which is referenced by the given outpoint. + output: crate::c_types::TxOut, + /// The `channel_keys_id` for the channel which this output came from. + /// + /// For channels which were generated on LDK 0.0.119 or later, this is the value which was + /// passed to the [`SignerProvider::get_destination_script`] call which provided this + /// output script. + /// + /// For channels which were generated prior to LDK 0.0.119, no such argument existed, + /// however this field may still be filled in if such data is available. + /// + /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + channel_keys_id: crate::c_types::ThirtyTwoBytes, + }, + /// An output to a P2WSH script which can be spent with a single signature after an `OP_CSV` + /// delay. + /// + /// The witness in the spending input should be: + /// ```bitcoin + /// (MINIMALIF standard rule) + /// ``` + /// + /// Note that the `nSequence` field in the spending input must be set to + /// [`DelayedPaymentOutputDescriptor::to_self_delay`] (which means the transaction is not + /// broadcastable until at least [`DelayedPaymentOutputDescriptor::to_self_delay`] blocks after + /// the outpoint confirms, see [BIP + /// 68](https://github.com/bitcoin/bips/blob/master/bip-0068.mediawiki)). Also note that LDK + /// won't generate a [`SpendableOutputDescriptor`] until the corresponding block height + /// is reached. + /// + /// These are generally the result of a \"revocable\" output to us, spendable only by us unless + /// it is an output from an old state which we broadcast (which should never happen). + /// + /// To derive the delayed payment key which is used to sign this input, you must pass the + /// holder [`InMemorySigner::delayed_payment_base_key`] (i.e., the private key which corresponds to the + /// [`ChannelPublicKeys::delayed_payment_basepoint`] in [`ChannelSigner::pubkeys`]) and the provided + /// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to [`chan_utils::derive_private_key`]. The DelayedPaymentKey can be + /// generated without the secret key using [`DelayedPaymentKey::from_basepoint`] and only the + /// [`ChannelPublicKeys::delayed_payment_basepoint`] which appears in [`ChannelSigner::pubkeys`]. + /// + /// To derive the [`DelayedPaymentOutputDescriptor::revocation_pubkey`] provided here (which is + /// used in the witness script generation), you must pass the counterparty + /// [`ChannelPublicKeys::revocation_basepoint`] (which appears in the call to + /// [`ChannelSigner::provide_channel_parameters`]) and the provided + /// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to + /// [`RevocationKey`]. + /// + /// The witness script which is hashed and included in the output `script_pubkey` may be + /// regenerated by passing the [`DelayedPaymentOutputDescriptor::revocation_pubkey`] (derived + /// as explained above), our delayed payment pubkey (derived as explained above), and the + /// [`DelayedPaymentOutputDescriptor::to_self_delay`] contained here to + /// [`chan_utils::get_revokeable_redeemscript`]. + DelayedPaymentOutput( + crate::lightning::sign::DelayedPaymentOutputDescriptor), + /// An output spendable exclusively by our payment key (i.e., the private key that corresponds + /// to the `payment_point` in [`ChannelSigner::pubkeys`]). The output type depends on the + /// channel type negotiated. + /// + /// On an anchor outputs channel, the witness in the spending input is: + /// ```bitcoin + /// + /// ``` + /// + /// Otherwise, it is: + /// ```bitcoin + /// + /// ``` + /// + /// These are generally the result of our counterparty having broadcast the current state, + /// allowing us to claim the non-HTLC-encumbered outputs immediately, or after one confirmation + /// in the case of anchor outputs channels. + StaticPaymentOutput( + crate::lightning::sign::StaticPaymentOutputDescriptor), +} +use lightning::sign::SpendableOutputDescriptor as SpendableOutputDescriptorImport; +pub(crate) type nativeSpendableOutputDescriptor = SpendableOutputDescriptorImport; + +impl SpendableOutputDescriptor { + #[allow(unused)] + pub(crate) fn to_native(&self) -> nativeSpendableOutputDescriptor { + match self { + SpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, ref channel_keys_id, } => { + let mut outpoint_nonref = Clone::clone(outpoint); + let mut output_nonref = Clone::clone(output); + let mut channel_keys_id_nonref = Clone::clone(channel_keys_id); + let mut local_channel_keys_id_nonref = if channel_keys_id_nonref.data == [0; 32] { None } else { Some( { channel_keys_id_nonref.data }) }; + nativeSpendableOutputDescriptor::StaticOutput { + outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) }, + output: output_nonref.into_rust(), + channel_keys_id: local_channel_keys_id_nonref, + } + }, + SpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => { + let mut a_nonref = Clone::clone(a); + nativeSpendableOutputDescriptor::DelayedPaymentOutput ( + *unsafe { Box::from_raw(a_nonref.take_inner()) }, + ) + }, + SpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => { + let mut a_nonref = Clone::clone(a); + nativeSpendableOutputDescriptor::StaticPaymentOutput ( + *unsafe { Box::from_raw(a_nonref.take_inner()) }, + ) + }, + } + } + #[allow(unused)] + pub(crate) fn into_native(self) -> nativeSpendableOutputDescriptor { + match self { + SpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, mut channel_keys_id, } => { + let mut local_channel_keys_id = if channel_keys_id.data == [0; 32] { None } else { Some( { channel_keys_id.data }) }; + nativeSpendableOutputDescriptor::StaticOutput { + outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) }, + output: output.into_rust(), + channel_keys_id: local_channel_keys_id, + } + }, + SpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => { + nativeSpendableOutputDescriptor::DelayedPaymentOutput ( + *unsafe { Box::from_raw(a.take_inner()) }, + ) + }, + SpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => { + nativeSpendableOutputDescriptor::StaticPaymentOutput ( + *unsafe { Box::from_raw(a.take_inner()) }, + ) + }, + } + } + #[allow(unused)] + pub(crate) fn from_native(native: &SpendableOutputDescriptorImport) -> Self { + let native = unsafe { &*(native as *const _ as *const c_void as *const nativeSpendableOutputDescriptor) }; + match native { + nativeSpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, ref channel_keys_id, } => { + let mut outpoint_nonref = Clone::clone(outpoint); + let mut output_nonref = Clone::clone(output); + let mut channel_keys_id_nonref = Clone::clone(channel_keys_id); + let mut local_channel_keys_id_nonref = if channel_keys_id_nonref.is_none() { crate::c_types::ThirtyTwoBytes { data: [0; 32] } } else { { crate::c_types::ThirtyTwoBytes { data: (channel_keys_id_nonref.unwrap()) } } }; + SpendableOutputDescriptor::StaticOutput { + outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint_nonref), is_owned: true }, + output: crate::c_types::TxOut::from_rust(&output_nonref), + channel_keys_id: local_channel_keys_id_nonref, + } + }, + nativeSpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => { + let mut a_nonref = Clone::clone(a); + SpendableOutputDescriptor::DelayedPaymentOutput ( + crate::lightning::sign::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true }, + ) + }, + nativeSpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => { + let mut a_nonref = Clone::clone(a); + SpendableOutputDescriptor::StaticPaymentOutput ( + crate::lightning::sign::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true }, + ) + }, + } + } + #[allow(unused)] + pub(crate) fn native_into(native: nativeSpendableOutputDescriptor) -> Self { + match native { + nativeSpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, mut channel_keys_id, } => { + let mut local_channel_keys_id = if channel_keys_id.is_none() { crate::c_types::ThirtyTwoBytes { data: [0; 32] } } else { { crate::c_types::ThirtyTwoBytes { data: (channel_keys_id.unwrap()) } } }; + SpendableOutputDescriptor::StaticOutput { + outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint), is_owned: true }, + output: crate::c_types::TxOut::from_rust(&output), + channel_keys_id: local_channel_keys_id, + } + }, + nativeSpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => { + SpendableOutputDescriptor::DelayedPaymentOutput ( + crate::lightning::sign::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true }, + ) + }, + nativeSpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => { + SpendableOutputDescriptor::StaticPaymentOutput ( + crate::lightning::sign::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true }, + ) + }, + } + } +} +/// Frees any resources used by the SpendableOutputDescriptor +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_free(this_ptr: SpendableOutputDescriptor) { } +/// Creates a copy of the SpendableOutputDescriptor +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_clone(orig: &SpendableOutputDescriptor) -> SpendableOutputDescriptor { + orig.clone() +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn SpendableOutputDescriptor_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *const SpendableOutputDescriptor)).clone() })) as *mut c_void +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn SpendableOutputDescriptor_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut SpendableOutputDescriptor) }; +} +#[no_mangle] +/// Utility method to constructs a new StaticOutput-variant SpendableOutputDescriptor +pub extern "C" fn SpendableOutputDescriptor_static_output(outpoint: crate::lightning::chain::transaction::OutPoint, output: crate::c_types::TxOut, channel_keys_id: crate::c_types::ThirtyTwoBytes) -> SpendableOutputDescriptor { + SpendableOutputDescriptor::StaticOutput { + outpoint, + output, + channel_keys_id, + } +} +#[no_mangle] +/// Utility method to constructs a new DelayedPaymentOutput-variant SpendableOutputDescriptor +pub extern "C" fn SpendableOutputDescriptor_delayed_payment_output(a: crate::lightning::sign::DelayedPaymentOutputDescriptor) -> SpendableOutputDescriptor { + SpendableOutputDescriptor::DelayedPaymentOutput(a, ) +} +#[no_mangle] +/// Utility method to constructs a new StaticPaymentOutput-variant SpendableOutputDescriptor +pub extern "C" fn SpendableOutputDescriptor_static_payment_output(a: crate::lightning::sign::StaticPaymentOutputDescriptor) -> SpendableOutputDescriptor { + SpendableOutputDescriptor::StaticPaymentOutput(a, ) +} +/// Get a string which allows debug introspection of a SpendableOutputDescriptor object +pub extern "C" fn SpendableOutputDescriptor_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::SpendableOutputDescriptor }).into()} +/// Generates a non-cryptographic 64-bit hash of the SpendableOutputDescriptor. +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_hash(o: &SpendableOutputDescriptor) -> u64 { + // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core + #[allow(deprecated)] + let mut hasher = core::hash::SipHasher::new(); + core::hash::Hash::hash(&o.to_native(), &mut hasher); + core::hash::Hasher::finish(&hasher) +} +/// Checks if two SpendableOutputDescriptors contain equal inner contents. +/// This ignores pointers and is_owned flags and looks at the values in fields. +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_eq(a: &SpendableOutputDescriptor, b: &SpendableOutputDescriptor) -> bool { + if &a.to_native() == &b.to_native() { true } else { false } +} +#[no_mangle] +/// Serialize the SpendableOutputDescriptor object into a byte array which can be read by SpendableOutputDescriptor_read +pub extern "C" fn SpendableOutputDescriptor_write(obj: &crate::lightning::sign::SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(&unsafe { &*obj }.to_native()) +} +#[allow(unused)] +pub(crate) extern "C" fn SpendableOutputDescriptor_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + SpendableOutputDescriptor_write(unsafe { &*(obj as *const SpendableOutputDescriptor) }) +} +#[no_mangle] +/// Read a SpendableOutputDescriptor from a byte array, created by SpendableOutputDescriptor_write +pub extern "C" fn SpendableOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SpendableOutputDescriptorDecodeErrorZ { + let res: Result = crate::c_types::deserialize_obj(ser); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::SpendableOutputDescriptor::native_into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} +/// Creates an unsigned [`PartiallySignedTransaction`] which spends the given descriptors to +/// the given outputs, plus an output to the given change destination (if sufficient +/// change value remains). The PSBT will have a feerate, at least, of the given value. +/// +/// The `locktime` argument is used to set the transaction's locktime. If `None`, the +/// transaction will have a locktime of 0. It it recommended to set this to the current block +/// height to avoid fee sniping, unless you have some specific reason to use a different +/// locktime. +/// +/// Returns the PSBT and expected max transaction weight. +/// +/// Returns `Err(())` if the output value is greater than the input value minus required fee, +/// if a descriptor was duplicated, or if an output descriptor `script_pubkey` +/// does not match the one we can spend. +/// +/// We do not enforce that outputs meet the dust limit or that any output scripts are standard. +#[must_use] +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_create_spendable_outputs_psbt(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, mut locktime: crate::c_types::derived::COption_u32Z) -> crate::c_types::derived::CResult_C2Tuple_CVec_u8Zu64ZNoneZ { + let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); }; + let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); }; + let mut local_locktime = { /*locktime*/ let locktime_opt = locktime; if locktime_opt.is_none() { None } else { Some({ { ::bitcoin::blockdata::locktime::absolute::LockTime::from_consensus({ locktime_opt.take() }) }})} }; + let mut ret = lightning::sign::SpendableOutputDescriptor::create_spendable_outputs_psbt(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::ScriptBuf::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, local_locktime); + 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_ret_0 = (orig_ret_0_0.serialize().into(), orig_ret_0_1).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + + +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() +} +/// Get a string which allows debug introspection of a ChannelDerivationParameters object +pub extern "C" fn ChannelDerivationParameters_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::ChannelDerivationParameters }).into()} +/// 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 = 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 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 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 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() +} +/// Get a string which allows debug introspection of a HTLCDescriptor object +pub extern "C" fn HTLCDescriptor_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::HTLCDescriptor }).into()} +/// 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 = 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.to_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_bytes(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::ecdsa::WriteableEcdsaChannelSigner { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_signer(signer_provider); + Into::into(ret) +} + +/// A trait to handle Lightning channel key material without concretizing the channel type or +/// the signature mechanism. +#[repr(C)] +pub struct ChannelSigner { + /// An opaque pointer which is passed to your function implementations as an argument. + /// This has no meaning in the LDK, and can be NULL or any other value. + pub this_arg: *mut c_void, + /// Gets the per-commitment point for a specific commitment number + /// + /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards. + pub get_per_commitment_point: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::PublicKey, + /// Gets the commitment secret for a specific commitment number as part of the revocation process + /// + /// An external signer implementation should error here if the commitment was already signed + /// and should refuse to sign it in the future. + /// + /// May be called more than once for the same index. + /// + /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards. + pub release_commitment_secret: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::ThirtyTwoBytes, + /// Validate the counterparty's signatures on the holder commitment transaction and HTLCs. + /// + /// This is required in order for the signer to make sure that releasing a commitment + /// secret won't leave us without a broadcastable holder transaction. + /// Policy checks should be implemented in this function, including checking the amount + /// sent to us and checking the HTLCs. + /// + /// The preimages of outbound HTLCs that were fulfilled since the last commitment are provided. + /// A validating signer should ensure that an HTLC output is removed only when the matching + /// preimage is provided, or when the value to holder is restored. + /// + /// Note that all the relevant preimages will be provided, but there may also be additional + /// irrelevant or duplicate preimages. + pub validate_holder_commitment: extern "C" fn (this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, outbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ) -> crate::c_types::derived::CResult_NoneNoneZ, + /// Validate the counterparty's revocation. + /// + /// This is required in order for the signer to make sure that the state has moved + /// forward and it is safe to sign the next counterparty commitment. + pub validate_counterparty_revocation: extern "C" fn (this_arg: *const c_void, idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ, + /// Returns the holder's channel public keys and basepoints. + pub pubkeys: core::cell::UnsafeCell, + /// Fill in the pubkeys field as a reference to it will be given to Rust after this returns + /// Note that this takes a pointer to this object, not the this_ptr like other methods do + /// This function pointer may be NULL if pubkeys is filled in when this object is created and never needs updating. + pub set_pubkeys: Option, + /// Returns an arbitrary identifier describing the set of keys which are provided back to you in + /// some [`SpendableOutputDescriptor`] types. This should be sufficient to identify this + /// [`EcdsaChannelSigner`] object uniquely and lookup or re-derive its keys. + pub channel_keys_id: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes, + /// Set the counterparty static channel data, including basepoints, + /// `counterparty_selected`/`holder_selected_contest_delay` and funding outpoint. + /// + /// This data is static, and will never change for a channel once set. For a given [`ChannelSigner`] + /// instance, LDK will call this method exactly once - either immediately after construction + /// (not including if done via [`SignerProvider::read_chan_signer`]) or when the funding + /// information has been generated. + /// + /// channel_parameters.is_populated() MUST be true. + pub provide_channel_parameters: extern "C" fn (this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters), + /// Frees any resources associated with this object given its this_arg pointer. + /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed. + pub free: Option, +} +unsafe impl Send for ChannelSigner {} +unsafe impl Sync for ChannelSigner {} +#[allow(unused)] +pub(crate) fn ChannelSigner_clone_fields(orig: &ChannelSigner) -> ChannelSigner { + ChannelSigner { + this_arg: orig.this_arg, + get_per_commitment_point: Clone::clone(&orig.get_per_commitment_point), + release_commitment_secret: Clone::clone(&orig.release_commitment_secret), + validate_holder_commitment: Clone::clone(&orig.validate_holder_commitment), + validate_counterparty_revocation: Clone::clone(&orig.validate_counterparty_revocation), + pubkeys: Clone::clone(unsafe { &*core::cell::UnsafeCell::get(&orig.pubkeys)}).into(), + set_pubkeys: Clone::clone(&orig.set_pubkeys), + channel_keys_id: Clone::clone(&orig.channel_keys_id), + provide_channel_parameters: Clone::clone(&orig.provide_channel_parameters), + free: Clone::clone(&orig.free), + } +} + +use lightning::sign::ChannelSigner as rustChannelSigner; +impl rustChannelSigner for ChannelSigner { + fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> bitcoin::secp256k1::PublicKey { + let mut ret = (self.get_per_commitment_point)(self.this_arg, idx); + ret.into_rust() + } + fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] { + let mut ret = (self.release_commitment_secret)(self.this_arg, idx); + ret.data + } + fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut outbound_htlc_preimages: Vec) -> Result<(), ()> { + let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.drain(..) { local_outbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); }; + let mut ret = (self.validate_holder_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_outbound_htlc_preimages.into()); + let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } + fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> { + let mut ret = (self.validate_counterparty_revocation)(self.this_arg, idx, secret.as_ref()); + let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } + fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys { + if let Some(f) = self.set_pubkeys { + (f)(&self); + } + unsafe { &*self.pubkeys.get() }.get_native_ref() + } + fn channel_keys_id(&self) -> [u8; 32] { + let mut ret = (self.channel_keys_id)(self.this_arg); + ret.data + } + fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { + (self.provide_channel_parameters)(self.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false }) + } +} + +// We're essentially a pointer already, or at least a set of pointers, so allow us to be used +// directly as a Deref trait in higher-level structs: +impl core::ops::Deref for ChannelSigner { + type Target = Self; + fn deref(&self) -> &Self { + self + } +} +impl core::ops::DerefMut for ChannelSigner { + fn deref_mut(&mut self) -> &mut Self { + self + } +} +/// Calls the free function if one is set +#[no_mangle] +pub extern "C" fn ChannelSigner_free(this_ptr: ChannelSigner) { } +impl Drop for ChannelSigner { + fn drop(&mut self) { + if let Some(f) = self.free { + f(self.this_arg); + } + } +} +/// Specifies the recipient of an invoice. +/// +/// This indicates to [`NodeSigner::sign_invoice`] what node secret key should be used to sign +/// the invoice. +#[derive(Clone)] +#[must_use] +#[repr(C)] +pub enum Recipient { + /// The invoice should be signed with the local node secret key. + Node, + /// The invoice should be signed with the phantom node secret key. This secret key must be the + /// same for all nodes participating in the [phantom node payment]. + /// + /// [phantom node payment]: PhantomKeysManager + PhantomNode, +} +use lightning::sign::Recipient as RecipientImport; +pub(crate) type nativeRecipient = RecipientImport; + +impl Recipient { + #[allow(unused)] + pub(crate) fn to_native(&self) -> nativeRecipient { + match self { + Recipient::Node => nativeRecipient::Node, + Recipient::PhantomNode => nativeRecipient::PhantomNode, + } + } + #[allow(unused)] + pub(crate) fn into_native(self) -> nativeRecipient { + match self { + Recipient::Node => nativeRecipient::Node, + Recipient::PhantomNode => nativeRecipient::PhantomNode, + } + } + #[allow(unused)] + pub(crate) fn from_native(native: &RecipientImport) -> Self { + let native = unsafe { &*(native as *const _ as *const c_void as *const nativeRecipient) }; + match native { + nativeRecipient::Node => Recipient::Node, + nativeRecipient::PhantomNode => Recipient::PhantomNode, + } + } + #[allow(unused)] + pub(crate) fn native_into(native: nativeRecipient) -> Self { + match native { + nativeRecipient::Node => Recipient::Node, + nativeRecipient::PhantomNode => Recipient::PhantomNode, + } + } +} +/// Creates a copy of the Recipient +#[no_mangle] +pub extern "C" fn Recipient_clone(orig: &Recipient) -> Recipient { + orig.clone() +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn Recipient_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *const Recipient)).clone() })) as *mut c_void +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn Recipient_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut Recipient) }; +} +#[no_mangle] +/// Utility method to constructs a new Node-variant Recipient +pub extern "C" fn Recipient_node() -> Recipient { + Recipient::Node} +#[no_mangle] +/// Utility method to constructs a new PhantomNode-variant Recipient +pub extern "C" fn Recipient_phantom_node() -> Recipient { + Recipient::PhantomNode} +/// A trait that describes a source of entropy. +#[repr(C)] +pub struct EntropySource { + /// An opaque pointer which is passed to your function implementations as an argument. + /// This has no meaning in the LDK, and can be NULL or any other value. + pub this_arg: *mut c_void, + /// Gets a unique, cryptographically-secure, random 32-byte value. This method must return a + /// different value each time it is called. + pub get_secure_random_bytes: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes, + /// Frees any resources associated with this object given its this_arg pointer. + /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed. + pub free: Option, +} +unsafe impl Send for EntropySource {} +unsafe impl Sync for EntropySource {} +#[allow(unused)] +pub(crate) fn EntropySource_clone_fields(orig: &EntropySource) -> EntropySource { + EntropySource { + this_arg: orig.this_arg, + get_secure_random_bytes: Clone::clone(&orig.get_secure_random_bytes), + free: Clone::clone(&orig.free), + } +} + +use lightning::sign::EntropySource as rustEntropySource; +impl rustEntropySource for EntropySource { + fn get_secure_random_bytes(&self) -> [u8; 32] { + let mut ret = (self.get_secure_random_bytes)(self.this_arg); + ret.data + } +} + +// We're essentially a pointer already, or at least a set of pointers, so allow us to be used +// directly as a Deref trait in higher-level structs: +impl core::ops::Deref for EntropySource { + type Target = Self; + fn deref(&self) -> &Self { + self + } +} +impl core::ops::DerefMut for EntropySource { + fn deref_mut(&mut self) -> &mut Self { + self + } +} +/// Calls the free function if one is set +#[no_mangle] +pub extern "C" fn EntropySource_free(this_ptr: EntropySource) { } +impl Drop for EntropySource { + fn drop(&mut self) { + if let Some(f) = self.free { + f(self.this_arg); + } + } +} +/// A trait that can handle cryptographic operations at the scope level of a node. +#[repr(C)] +pub struct NodeSigner { + /// An opaque pointer which is passed to your function implementations as an argument. + /// This has no meaning in the LDK, and can be NULL or any other value. + pub this_arg: *mut c_void, + /// Get secret key material as bytes for use in encrypting and decrypting inbound payment data. + /// + /// If the implementor of this trait supports [phantom node payments], then every node that is + /// intended to be included in the phantom invoice route hints must return the same value from + /// this method. + /// + /// This method must return the same value each time it is called. + /// + /// [phantom node payments]: PhantomKeysManager + pub get_inbound_payment_key_material: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes, + /// Get node id based on the provided [`Recipient`]. + /// + /// This method must return the same value each time it is called with a given [`Recipient`] + /// parameter. + /// + /// Errors if the [`Recipient`] variant is not supported by the implementation. + pub get_node_id: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ, + /// Gets the ECDH shared secret of our node secret and `other_key`, multiplying by `tweak` if + /// one is provided. Note that this tweak can be applied to `other_key` instead of our node + /// secret, though this is less efficient. + /// + /// Note that if this fails while attempting to forward an HTLC, LDK will panic. The error + /// should be resolved to allow LDK to resume forwarding HTLCs. + /// + /// Errors if the [`Recipient`] variant is not supported by the implementation. + pub ecdh: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::sign::Recipient, other_key: crate::c_types::PublicKey, tweak: crate::c_types::derived::COption_BigEndianScalarZ) -> crate::c_types::derived::CResult_ThirtyTwoBytesNoneZ, + /// Sign an invoice. + /// + /// By parameterizing by the raw invoice bytes instead of the hash, we allow implementors of + /// this trait to parse the invoice and make sure they're signing what they expect, rather than + /// blindly signing the hash. + /// + /// The `hrp_bytes` are ASCII bytes, while the `invoice_data` is base32. + /// + /// The secret key used to sign the invoice is dependent on the [`Recipient`]. + /// + /// Errors if the [`Recipient`] variant is not supported by the implementation. + pub sign_invoice: extern "C" fn (this_arg: *const c_void, hrp_bytes: crate::c_types::u8slice, invoice_data: crate::c_types::derived::CVec_U5Z, recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ, + /// Signs the [`TaggedHash`] of a BOLT 12 invoice request. + /// + /// May be called by a function passed to [`UnsignedInvoiceRequest::sign`] where + /// `invoice_request` is the callee. + /// + /// Implementors may check that the `invoice_request` is expected rather than blindly signing + /// the tagged hash. An `Ok` result should sign `invoice_request.tagged_hash().as_digest()` with + /// the node's signing key or an ephemeral key to preserve privacy, whichever is associated with + /// [`UnsignedInvoiceRequest::payer_id`]. + /// + /// [`TaggedHash`]: crate::offers::merkle::TaggedHash + pub sign_bolt12_invoice_request: extern "C" fn (this_arg: *const c_void, invoice_request: &crate::lightning::offers::invoice_request::UnsignedInvoiceRequest) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ, + /// Signs the [`TaggedHash`] of a BOLT 12 invoice. + /// + /// May be called by a function passed to [`UnsignedBolt12Invoice::sign`] where `invoice` is the + /// callee. + /// + /// Implementors may check that the `invoice` is expected rather than blindly signing the tagged + /// hash. An `Ok` result should sign `invoice.tagged_hash().as_digest()` with the node's signing + /// key or an ephemeral key to preserve privacy, whichever is associated with + /// [`UnsignedBolt12Invoice::signing_pubkey`]. + /// + /// [`TaggedHash`]: crate::offers::merkle::TaggedHash + pub sign_bolt12_invoice: extern "C" fn (this_arg: *const c_void, invoice: &crate::lightning::offers::invoice::UnsignedBolt12Invoice) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ, + /// Sign a gossip message. + /// + /// Note that if this fails, LDK may panic and the message will not be broadcast to the network + /// or a possible channel counterparty. If LDK panics, the error should be resolved to allow the + /// message to be broadcast, as otherwise it may prevent one from receiving funds over the + /// corresponding channel. + pub sign_gossip_message: extern "C" fn (this_arg: *const c_void, msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ, + /// Frees any resources associated with this object given its this_arg pointer. + /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed. + pub free: Option, +} +unsafe impl Send for NodeSigner {} +unsafe impl Sync for NodeSigner {} +#[allow(unused)] +pub(crate) fn NodeSigner_clone_fields(orig: &NodeSigner) -> NodeSigner { + NodeSigner { + this_arg: orig.this_arg, + get_inbound_payment_key_material: Clone::clone(&orig.get_inbound_payment_key_material), + get_node_id: Clone::clone(&orig.get_node_id), + ecdh: Clone::clone(&orig.ecdh), + sign_invoice: Clone::clone(&orig.sign_invoice), + sign_bolt12_invoice_request: Clone::clone(&orig.sign_bolt12_invoice_request), + sign_bolt12_invoice: Clone::clone(&orig.sign_bolt12_invoice), + sign_gossip_message: Clone::clone(&orig.sign_gossip_message), + free: Clone::clone(&orig.free), + } +} + +use lightning::sign::NodeSigner as rustNodeSigner; +impl rustNodeSigner for NodeSigner { + fn get_inbound_payment_key_material(&self) -> lightning::sign::KeyMaterial { + let mut ret = (self.get_inbound_payment_key_material)(self.this_arg); + ::lightning::sign::KeyMaterial(ret.data) + } + fn get_node_id(&self, mut recipient: lightning::sign::Recipient) -> Result { + let mut ret = (self.get_node_id)(self.this_arg, crate::lightning::sign::Recipient::native_into(recipient)); + 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)) })*/ })}; + local_ret + } + fn ecdh(&self, mut recipient: lightning::sign::Recipient, mut other_key: &bitcoin::secp256k1::PublicKey, mut tweak: Option<&bitcoin::secp256k1::Scalar>) -> Result { + let mut local_tweak = if tweak.is_none() { crate::c_types::derived::COption_BigEndianScalarZ::None } else { crate::c_types::derived::COption_BigEndianScalarZ::Some(/* WARNING: CLONING CONVERSION HERE! &Option is otherwise un-expressable. */ { crate::c_types::BigEndianScalar::from_rust(&(*tweak.as_ref().unwrap()).clone()) }) }; + let mut ret = (self.ecdh)(self.this_arg, crate::lightning::sign::Recipient::native_into(recipient), crate::c_types::PublicKey::from_rust(&other_key), local_tweak); + let mut local_ret = match ret.result_ok { true => Ok( { ::bitcoin::secp256k1::ecdh::SharedSecret::from_bytes((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).data) }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } + fn sign_invoice(&self, mut hrp_bytes: &[u8], mut invoice_data: &[bitcoin::bech32::u5], mut recipient: lightning::sign::Recipient) -> Result { + let mut local_hrp_bytes = crate::c_types::u8slice::from_slice(hrp_bytes); + let mut local_invoice_data_clone = Vec::new(); local_invoice_data_clone.extend_from_slice(invoice_data); let mut invoice_data = local_invoice_data_clone; let mut local_invoice_data = Vec::new(); for mut item in invoice_data.drain(..) { local_invoice_data.push( { item.into() }); }; + let mut ret = (self.sign_invoice)(self.this_arg, local_hrp_bytes, local_invoice_data.into(), crate::lightning::sign::Recipient::native_into(recipient)); + 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)) })*/ })}; + local_ret + } + fn sign_bolt12_invoice_request(&self, mut invoice_request: &lightning::offers::invoice_request::UnsignedInvoiceRequest) -> Result { + let mut ret = (self.sign_bolt12_invoice_request)(self.this_arg, &crate::lightning::offers::invoice_request::UnsignedInvoiceRequest { inner: unsafe { ObjOps::nonnull_ptr_to_inner((invoice_request as *const lightning::offers::invoice_request::UnsignedInvoiceRequest<>) as *mut _) }, is_owned: false }); + let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } + fn sign_bolt12_invoice(&self, mut invoice: &lightning::offers::invoice::UnsignedBolt12Invoice) -> Result { + let mut ret = (self.sign_bolt12_invoice)(self.this_arg, &crate::lightning::offers::invoice::UnsignedBolt12Invoice { inner: unsafe { ObjOps::nonnull_ptr_to_inner((invoice as *const lightning::offers::invoice::UnsignedBolt12Invoice<>) as *mut _) }, is_owned: false }); + let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } + fn sign_gossip_message(&self, mut msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result { + let mut ret = (self.sign_gossip_message)(self.this_arg, crate::lightning::ln::msgs::UnsignedGossipMessage::native_into(msg)); + 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)) })*/ })}; + local_ret + } +} + +// We're essentially a pointer already, or at least a set of pointers, so allow us to be used +// directly as a Deref trait in higher-level structs: +impl core::ops::Deref for NodeSigner { + type Target = Self; + fn deref(&self) -> &Self { + self + } +} +impl core::ops::DerefMut for NodeSigner { + fn deref_mut(&mut self) -> &mut Self { + self + } +} +/// Calls the free function if one is set +#[no_mangle] +pub extern "C" fn NodeSigner_free(this_ptr: NodeSigner) { } +impl Drop for NodeSigner { + fn drop(&mut self) { + if let Some(f) = self.free { + f(self.this_arg); + } + } +} +/// A trait that can return signer instances for individual channels. +#[repr(C)] +pub struct SignerProvider { + /// An opaque pointer which is passed to your function implementations as an argument. + /// This has no meaning in the LDK, and can be NULL or any other value. + pub this_arg: *mut c_void, + /// Generates a unique `channel_keys_id` that can be used to obtain a [`Self::EcdsaSigner`] through + /// [`SignerProvider::derive_channel_signer`]. The `user_channel_id` is provided to allow + /// implementations of [`SignerProvider`] to maintain a mapping between itself and the generated + /// `channel_keys_id`. + /// + /// This method must return a different value each time it is called. + pub generate_channel_keys_id: extern "C" fn (this_arg: *const c_void, inbound: bool, channel_value_satoshis: u64, user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes, + /// Derives the private key material backing a `Signer`. + /// + /// To derive a new `Signer`, a fresh `channel_keys_id` should be obtained through + /// [`SignerProvider::generate_channel_keys_id`]. Otherwise, an existing `Signer` can be + /// re-derived from its `channel_keys_id`, which can be obtained through its trait method + /// [`ChannelSigner::channel_keys_id`]. + pub derive_channel_signer: extern "C" fn (this_arg: *const c_void, channel_value_satoshis: u64, channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner, + /// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream. + /// This is only called during deserialization of other objects which contain + /// [`WriteableEcdsaChannelSigner`]-implementing objects (i.e., [`ChannelMonitor`]s and [`ChannelManager`]s). + /// The bytes are exactly those which `::write()` writes, and + /// contain no versioning scheme. You may wish to include your own version prefix and ensure + /// you've read all of the provided bytes to ensure no corruption occurred. + /// + /// This method is slowly being phased out -- it will only be called when reading objects + /// written by LDK versions prior to 0.0.113. + /// + /// [`Signer`]: Self::EcdsaSigner + /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor + /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + pub read_chan_signer: extern "C" fn (this_arg: *const c_void, reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ, + /// Get a script pubkey which we send funds to when claiming on-chain contestable outputs. + /// + /// If this function returns an error, this will result in a channel failing to open. + /// + /// This method should return a different value each time it is called, to avoid linking + /// on-chain funds across channels as controlled to the same user. `channel_keys_id` may be + /// used to derive a unique value for each channel. + pub get_destination_script: extern "C" fn (this_arg: *const c_void, channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_CVec_u8ZNoneZ, + /// Get a script pubkey which we will send funds to when closing a channel. + /// + /// If this function returns an error, this will result in a channel failing to open or close. + /// In the event of a failure when the counterparty is initiating a close, this can result in a + /// channel force close. + /// + /// This method should return a different value each time it is called, to avoid linking + /// on-chain funds across channels as controlled to the same user. + pub get_shutdown_scriptpubkey: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CResult_ShutdownScriptNoneZ, + /// Frees any resources associated with this object given its this_arg pointer. + /// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed. + pub free: Option, +} +unsafe impl Send for SignerProvider {} +unsafe impl Sync for SignerProvider {} +#[allow(unused)] +pub(crate) fn SignerProvider_clone_fields(orig: &SignerProvider) -> SignerProvider { + SignerProvider { + this_arg: orig.this_arg, + generate_channel_keys_id: Clone::clone(&orig.generate_channel_keys_id), + derive_channel_signer: Clone::clone(&orig.derive_channel_signer), + read_chan_signer: Clone::clone(&orig.read_chan_signer), + get_destination_script: Clone::clone(&orig.get_destination_script), + get_shutdown_scriptpubkey: Clone::clone(&orig.get_shutdown_scriptpubkey), + free: Clone::clone(&orig.free), + } +} + +use lightning::sign::SignerProvider as rustSignerProvider; +impl rustSignerProvider for SignerProvider { + type EcdsaSigner = crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner; + fn generate_channel_keys_id(&self, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: u128) -> [u8; 32] { + let mut ret = (self.generate_channel_keys_id)(self.this_arg, inbound, channel_value_satoshis, user_channel_id.into()); + ret.data + } + fn derive_channel_signer(&self, mut channel_value_satoshis: u64, mut channel_keys_id: [u8; 32]) -> crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + let mut ret = (self.derive_channel_signer)(self.this_arg, channel_value_satoshis, crate::c_types::ThirtyTwoBytes { data: channel_keys_id }); + ret + } + fn read_chan_signer(&self, mut reader: &[u8]) -> Result { + let mut local_reader = crate::c_types::u8slice::from_slice(reader); + let mut ret = (self.read_chan_signer)(self.this_arg, local_reader); + let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }) }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })}; + local_ret + } + fn get_destination_script(&self, mut channel_keys_id: [u8; 32]) -> Result { + let mut ret = (self.get_destination_script)(self.this_arg, crate::c_types::ThirtyTwoBytes { data: channel_keys_id }); + let mut local_ret = match ret.result_ok { true => Ok( { ::bitcoin::blockdata::script::ScriptBuf::from((*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)) })*/ })}; + local_ret + } + fn get_shutdown_scriptpubkey(&self) -> Result { + let mut ret = (self.get_shutdown_scriptpubkey)(self.this_arg); + let mut local_ret = match ret.result_ok { true => Ok( { *unsafe { Box::from_raw((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).take_inner()) } }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret + } +} + +// We're essentially a pointer already, or at least a set of pointers, so allow us to be used +// directly as a Deref trait in higher-level structs: +impl core::ops::Deref for SignerProvider { + type Target = Self; + fn deref(&self) -> &Self { + self + } +} +impl core::ops::DerefMut for SignerProvider { + fn deref_mut(&mut self) -> &mut Self { + self + } +} +/// Calls the free function if one is set +#[no_mangle] +pub extern "C" fn SignerProvider_free(this_ptr: SignerProvider) { } +impl Drop for SignerProvider { + fn drop(&mut self) { + if let Some(f) = self.free { + f(self.this_arg); + } + } +} + +use lightning::sign::InMemorySigner as nativeInMemorySignerImport; +pub(crate) type nativeInMemorySigner = nativeInMemorySignerImport; + +/// A simple implementation of [`WriteableEcdsaChannelSigner`] that just keeps the private keys in memory. +/// +/// This implementation performs no policy checks and is insufficient by itself as +/// a secure external signer. +#[must_use] +#[repr(C)] +pub struct InMemorySigner { + /// 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 nativeInMemorySigner, + /// 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 InMemorySigner { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeInMemorySigner>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the InMemorySigner, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn InMemorySigner_free(this_obj: InMemorySigner) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn InMemorySigner_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeInMemorySigner) }; +} +#[allow(unused)] +impl InMemorySigner { + pub(crate) fn get_native_ref(&self) -> &'static nativeInMemorySigner { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeInMemorySigner { + 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 nativeInMemorySigner { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the +/// holder's anchor output in a commitment transaction, if one is present. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_funding_key(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().funding_key; + inner_val.as_ref() +} +/// Holder secret key in the 2-of-2 multisig script of a channel. This key also backs the +/// holder's anchor output in a commitment transaction, if one is present. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_funding_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_key = val.into_rust(); +} +/// Holder secret key for blinded revocation pubkey. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_revocation_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_base_key; + inner_val.as_ref() +} +/// Holder secret key for blinded revocation pubkey. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_revocation_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_base_key = val.into_rust(); +} +/// Holder secret key used for our balance in counterparty-broadcasted commitment transactions. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_payment_key(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().payment_key; + inner_val.as_ref() +} +/// Holder secret key used for our balance in counterparty-broadcasted commitment transactions. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_payment_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.payment_key = val.into_rust(); +} +/// Holder secret key used in an HTLC transaction. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_delayed_payment_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().delayed_payment_base_key; + inner_val.as_ref() +} +/// Holder secret key used in an HTLC transaction. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_delayed_payment_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.delayed_payment_base_key = val.into_rust(); +} +/// Holder HTLC secret key used in commitment transaction HTLC outputs. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_htlc_base_key(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().htlc_base_key; + inner_val.as_ref() +} +/// Holder HTLC secret key used in commitment transaction HTLC outputs. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_htlc_base_key(this_ptr: &mut InMemorySigner, mut val: crate::c_types::SecretKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc_base_key = val.into_rust(); +} +/// Commitment seed. +#[no_mangle] +pub extern "C" fn InMemorySigner_get_commitment_seed(this_ptr: &InMemorySigner) -> *const [u8; 32] { + let mut inner_val = &mut this_ptr.get_native_mut_ref().commitment_seed; + inner_val +} +/// Commitment seed. +#[no_mangle] +pub extern "C" fn InMemorySigner_set_commitment_seed(this_ptr: &mut InMemorySigner, mut val: crate::c_types::ThirtyTwoBytes) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.commitment_seed = val.data; +} +/// Get a string which allows debug introspection of a InMemorySigner object +pub extern "C" fn InMemorySigner_debug_str_void(o: *const c_void) -> Str { + alloc::format!("{:?}", unsafe { o as *const crate::lightning::sign::InMemorySigner }).into()} +impl Clone for InMemorySigner { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeInMemorySigner>::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 InMemorySigner_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeInMemorySigner)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the InMemorySigner +pub extern "C" fn InMemorySigner_clone(orig: &InMemorySigner) -> InMemorySigner { + orig.clone() +} +/// Creates a new [`InMemorySigner`]. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_new(mut funding_key: crate::c_types::SecretKey, mut revocation_base_key: crate::c_types::SecretKey, mut payment_key: crate::c_types::SecretKey, mut delayed_payment_base_key: crate::c_types::SecretKey, mut htlc_base_key: crate::c_types::SecretKey, mut commitment_seed: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes, mut rand_bytes_unique_start: crate::c_types::ThirtyTwoBytes) -> crate::lightning::sign::InMemorySigner { + let mut ret = lightning::sign::InMemorySigner::new(secp256k1::global::SECP256K1, funding_key.into_rust(), revocation_base_key.into_rust(), payment_key.into_rust(), delayed_payment_base_key.into_rust(), htlc_base_key.into_rust(), commitment_seed.data, channel_value_satoshis, channel_keys_id.data, rand_bytes_unique_start.data); + crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Returns the counterparty's pubkeys. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_counterparty_pubkeys(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelPublicKeys { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_pubkeys(); + let mut local_ret = crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { (if ret.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (ret.unwrap()) }) } as *const lightning::ln::chan_utils::ChannelPublicKeys<>) as *mut _ }, is_owned: false }; + local_ret +} + +/// Returns the `contest_delay` value specified by our counterparty and applied on holder-broadcastable +/// transactions, i.e., the amount of time that we have to wait to recover our funds if we +/// broadcast a transaction. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_counterparty_selected_contest_delay(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::c_types::derived::COption_u16Z { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_selected_contest_delay(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_u16Z::None } else { crate::c_types::derived::COption_u16Z::Some( { ret.unwrap() }) }; + local_ret +} + +/// Returns the `contest_delay` value specified by us and applied on transactions broadcastable +/// by our counterparty, i.e., the amount of time that they have to wait to recover their funds +/// if they broadcast a transaction. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_holder_selected_contest_delay(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::c_types::derived::COption_u16Z { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.holder_selected_contest_delay(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_u16Z::None } else { crate::c_types::derived::COption_u16Z::Some( { ret.unwrap() }) }; + local_ret +} + +/// Returns whether the holder is the initiator. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_is_outbound(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::c_types::derived::COption_boolZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.is_outbound(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_boolZ::None } else { crate::c_types::derived::COption_boolZ::Some( { ret.unwrap() }) }; + local_ret +} + +/// Funding outpoint +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_funding_outpoint(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::lightning::chain::transaction::OutPoint { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.funding_outpoint(); + let mut local_ret = crate::lightning::chain::transaction::OutPoint { inner: unsafe { (if ret.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (ret.unwrap()) }) } as *const lightning::chain::transaction::OutPoint<>) as *mut _ }, is_owned: false }; + local_ret +} + +/// Returns a [`ChannelTransactionParameters`] for this channel, to be used when verifying or +/// building transactions. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_get_channel_parameters(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_channel_parameters(); + let mut local_ret = crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (if ret.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (ret.unwrap()) }) } as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _ }, is_owned: false }; + local_ret +} + +/// Returns the channel type features of the channel parameters. Should be helpful for +/// determining a channel's category, i. e. legacy/anchors/taproot/etc. +/// +/// Will return `None` if [`ChannelSigner::provide_channel_parameters`] has not been called. +/// In general, this is safe to `unwrap` only in [`ChannelSigner`] implementation. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_channel_type_features(this_arg: &crate::lightning::sign::InMemorySigner) -> crate::lightning::ln::features::ChannelTypeFeatures { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.channel_type_features(); + let mut local_ret = crate::lightning::ln::features::ChannelTypeFeatures { inner: unsafe { (if ret.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (ret.unwrap()) }) } as *const lightning::ln::features::ChannelTypeFeatures<>) as *mut _ }, is_owned: false }; + local_ret +} + +/// Sign the single input of `spend_tx` at index `input_idx`, which spends the output described +/// by `descriptor`, returning the witness stack for the input. +/// +/// Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`, +/// is not spending the outpoint described by [`descriptor.outpoint`], +/// or if an output descriptor `script_pubkey` does not match the one we can spend. +/// +/// [`descriptor.outpoint`]: StaticPaymentOutputDescriptor::outpoint +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_sign_counterparty_payment_input(this_arg: &crate::lightning::sign::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::sign::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CResult_WitnessNoneZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_counterparty_payment_input(&spend_tx.into_bitcoin(), input_idx, descriptor.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Witness::from_bitcoin(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +/// Sign the single input of `spend_tx` at index `input_idx` which spends the output +/// described by `descriptor`, returning the witness stack for the input. +/// +/// Returns an error if the input at `input_idx` does not exist, has a non-empty `script_sig`, +/// is not spending the outpoint described by [`descriptor.outpoint`], does not have a +/// sequence set to [`descriptor.to_self_delay`], or if an output descriptor +/// `script_pubkey` does not match the one we can spend. +/// +/// [`descriptor.outpoint`]: DelayedPaymentOutputDescriptor::outpoint +/// [`descriptor.to_self_delay`]: DelayedPaymentOutputDescriptor::to_self_delay +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_sign_dynamic_p2wsh_input(this_arg: &crate::lightning::sign::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::sign::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CResult_WitnessNoneZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_dynamic_p2wsh_input(&spend_tx.into_bitcoin(), input_idx, descriptor.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Witness::from_bitcoin(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::sign::EntropySource { + fn from(obj: nativeInMemorySigner) -> Self { + let rust_obj = crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = InMemorySigner_as_EntropySource(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(InMemorySigner_free_void); + ret + } +} +/// Constructs a new EntropySource which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is +#[no_mangle] +pub extern "C" fn InMemorySigner_as_EntropySource(this_arg: &InMemorySigner) -> crate::lightning::sign::EntropySource { + crate::lightning::sign::EntropySource { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_secure_random_bytes: InMemorySigner_EntropySource_get_secure_random_bytes, + } +} + +#[must_use] +extern "C" fn InMemorySigner_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, ); + crate::c_types::ThirtyTwoBytes { data: ret } +} + +impl From for crate::lightning::sign::ChannelSigner { + fn from(obj: nativeInMemorySigner) -> Self { + let rust_obj = crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = InMemorySigner_as_ChannelSigner(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(InMemorySigner_free_void); + ret + } +} +/// Constructs a new ChannelSigner which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned ChannelSigner must be freed before this_arg is +#[no_mangle] +pub extern "C" fn InMemorySigner_as_ChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::sign::ChannelSigner { + crate::lightning::sign::ChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point, + release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret, + validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment, + validate_counterparty_revocation: InMemorySigner_ChannelSigner_validate_counterparty_revocation, + + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(), + set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys), + channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id, + provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters, + } +} + +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_get_per_commitment_point(this_arg: *const c_void, mut idx: u64) -> crate::c_types::PublicKey { + let mut ret = >::get_per_commitment_point(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx, secp256k1::global::SECP256K1); + crate::c_types::PublicKey::from_rust(&ret) +} +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_release_commitment_secret(this_arg: *const c_void, mut idx: u64) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::release_commitment_secret(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx); + crate::c_types::ThirtyTwoBytes { data: ret } +} +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_validate_holder_commitment(this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, mut outbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ) -> crate::c_types::derived::CResult_NoneNoneZ { + let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.into_rust().drain(..) { local_outbound_htlc_preimages.push( { ::lightning::ln::PaymentPreimage(item.data) }); }; + let mut ret = >::validate_holder_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, holder_tx.get_native_ref(), local_outbound_htlc_preimages); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_validate_counterparty_revocation(this_arg: *const c_void, mut idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ { + let mut ret = >::validate_counterparty_revocation(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, idx, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *secret}[..]).unwrap()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_pubkeys(this_arg: *const c_void) -> crate::lightning::ln::chan_utils::ChannelPublicKeys { + let mut ret = >::pubkeys(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, ); + crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::ChannelPublicKeys<>) as *mut _) }, is_owned: false } +} +extern "C" fn InMemorySigner_ChannelSigner_set_pubkeys(trait_self_arg: &ChannelSigner) { + // This is a bit race-y in the general case, but for our specific use-cases today, we're safe + // Specifically, we must ensure that the first time we're called it can never be in parallel + if unsafe { &*trait_self_arg.pubkeys.get() }.inner.is_null() { + *unsafe { &mut *(&*(trait_self_arg as *const ChannelSigner)).pubkeys.get() } = InMemorySigner_ChannelSigner_pubkeys(trait_self_arg.this_arg).into(); + } +} +#[must_use] +extern "C" fn InMemorySigner_ChannelSigner_channel_keys_id(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::channel_keys_id(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, ); + crate::c_types::ThirtyTwoBytes { data: ret } +} +extern "C" fn InMemorySigner_ChannelSigner_provide_channel_parameters(this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters) { + >::provide_channel_parameters(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, channel_parameters.get_native_ref()) +} + +impl From for crate::lightning::sign::ecdsa::EcdsaChannelSigner { + fn from(obj: nativeInMemorySigner) -> Self { + let rust_obj = crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = InMemorySigner_as_EcdsaChannelSigner(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(InMemorySigner_free_void); + ret + } +} +/// Constructs a new EcdsaChannelSigner which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned EcdsaChannelSigner must be freed before this_arg is +#[no_mangle] +pub extern "C" fn InMemorySigner_as_EcdsaChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::sign::ecdsa::EcdsaChannelSigner { + crate::lightning::sign::ecdsa::EcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment, + sign_holder_commitment: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment, + sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output, + sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc, + sign_holder_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_holder_htlc_transaction, + sign_counterparty_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction, + sign_closing_transaction: InMemorySigner_EcdsaChannelSigner_sign_closing_transaction, + sign_holder_anchor_input: InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input, + sign_channel_announcement_with_funding_key: InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key, + ChannelSigner: crate::lightning::sign::ChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point, + release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret, + validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment, + validate_counterparty_revocation: InMemorySigner_ChannelSigner_validate_counterparty_revocation, + + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(), + set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys), + channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id, + provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters, + }, + } +} + +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, mut inbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ, mut outbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ) -> crate::c_types::derived::CResult_C2Tuple_ECDSASignatureCVec_ECDSASignatureZZNoneZ { + let mut local_inbound_htlc_preimages = Vec::new(); for mut item in inbound_htlc_preimages.into_rust().drain(..) { local_inbound_htlc_preimages.push( { ::lightning::ln::PaymentPreimage(item.data) }); }; + let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.into_rust().drain(..) { local_outbound_htlc_preimages.push( { ::lightning::ln::PaymentPreimage(item.data) }); }; + let mut ret = >::sign_counterparty_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, commitment_tx.get_native_ref(), local_inbound_htlc_preimages, local_outbound_htlc_preimages, secp256k1::global::SECP256K1); + 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::ECDSASignature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::ECDSASignature::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() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_holder_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, commitment_tx.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32]) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_justice_revoked_output(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_justice_revoked_htlc(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), htlc.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, htlc_descriptor: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_holder_htlc_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &htlc_tx.into_bitcoin(), input, htlc_descriptor.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_counterparty_htlc_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &htlc_tx.into_bitcoin(), input, amount, &per_commitment_point.into_rust(), htlc.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_closing_transaction(this_arg: *const c_void, closing_tx: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_closing_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, closing_tx.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input(this_arg: *const c_void, mut anchor_tx: crate::c_types::Transaction, mut input: usize) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_holder_anchor_input(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &anchor_tx.into_bitcoin(), input, secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key(this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_channel_announcement_with_funding_key(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, msg.get_native_ref(), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + fn from(obj: nativeInMemorySigner) -> Self { + let rust_obj = crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = InMemorySigner_as_WriteableEcdsaChannelSigner(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(InMemorySigner_free_void); + ret + } +} +/// Constructs a new WriteableEcdsaChannelSigner which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned WriteableEcdsaChannelSigner must be freed before this_arg is +#[no_mangle] +pub extern "C" fn InMemorySigner_as_WriteableEcdsaChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + EcdsaChannelSigner: crate::lightning::sign::ecdsa::EcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment, + sign_holder_commitment: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment, + sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output, + sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc, + sign_holder_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_holder_htlc_transaction, + sign_counterparty_htlc_transaction: InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction, + sign_closing_transaction: InMemorySigner_EcdsaChannelSigner_sign_closing_transaction, + sign_holder_anchor_input: InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input, + sign_channel_announcement_with_funding_key: InMemorySigner_EcdsaChannelSigner_sign_channel_announcement_with_funding_key, + ChannelSigner: crate::lightning::sign::ChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_per_commitment_point: InMemorySigner_ChannelSigner_get_per_commitment_point, + release_commitment_secret: InMemorySigner_ChannelSigner_release_commitment_secret, + validate_holder_commitment: InMemorySigner_ChannelSigner_validate_holder_commitment, + validate_counterparty_revocation: InMemorySigner_ChannelSigner_validate_counterparty_revocation, + + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }.into(), + set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys), + channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id, + provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters, + }, + }, + write: InMemorySigner_write_void, + cloned: Some(WriteableEcdsaChannelSigner_InMemorySigner_cloned), + } +} + +extern "C" fn WriteableEcdsaChannelSigner_InMemorySigner_cloned(new_obj: &mut crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner) { + new_obj.this_arg = InMemorySigner_clone_void(new_obj.this_arg); + new_obj.free = Some(InMemorySigner_free_void); + new_obj.EcdsaChannelSigner.this_arg = new_obj.this_arg; + new_obj.EcdsaChannelSigner.free = None; + new_obj.EcdsaChannelSigner.ChannelSigner.this_arg = new_obj.this_arg; + new_obj.EcdsaChannelSigner.ChannelSigner.free = None; +} + +#[no_mangle] +/// Serialize the InMemorySigner object into a byte array which can be read by InMemorySigner_read +pub extern "C" fn InMemorySigner_write(obj: &crate::lightning::sign::InMemorySigner) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[allow(unused)] +pub(crate) extern "C" fn InMemorySigner_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeInMemorySigner) }) +} +#[no_mangle] +/// Read a InMemorySigner from a byte array, created by InMemorySigner_write +pub extern "C" fn InMemorySigner_read(ser: crate::c_types::u8slice, arg: crate::lightning::sign::EntropySource) -> crate::c_types::derived::CResult_InMemorySignerDecodeErrorZ { + let arg_conv = arg; + let res: Result = crate::c_types::deserialize_obj_arg(ser, arg_conv); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} + +use lightning::sign::KeysManager as nativeKeysManagerImport; +pub(crate) type nativeKeysManager = nativeKeysManagerImport; + +/// Simple implementation of [`EntropySource`], [`NodeSigner`], and [`SignerProvider`] that takes a +/// 32-byte seed for use as a BIP 32 extended key and derives keys from that. +/// +/// Your `node_id` is seed/0'. +/// Unilateral closes may use seed/1'. +/// Cooperative closes may use seed/2'. +/// The two close keys may be needed to claim on-chain funds! +/// +/// This struct cannot be used for nodes that wish to support receiving phantom payments; +/// [`PhantomKeysManager`] must be used instead. +/// +/// Note that switching between this struct and [`PhantomKeysManager`] will invalidate any +/// previously issued invoices and attempts to pay previous invoices will fail. +#[must_use] +#[repr(C)] +pub struct KeysManager { + /// 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 nativeKeysManager, + /// 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 KeysManager { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeKeysManager>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the KeysManager, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn KeysManager_free(this_obj: KeysManager) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn KeysManager_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeKeysManager) }; +} +#[allow(unused)] +impl KeysManager { + pub(crate) fn get_native_ref(&self) -> &'static nativeKeysManager { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeKeysManager { + 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 nativeKeysManager { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// Constructs a [`KeysManager`] from a 32-byte seed. If the seed is in some way biased (e.g., +/// your CSRNG is busted) this may panic (but more importantly, you will possibly lose funds). +/// `starting_time` isn't strictly required to actually be a time, but it must absolutely, +/// without a doubt, be unique to this instance. ie if you start multiple times with the same +/// `seed`, `starting_time` must be unique to each run. Thus, the easiest way to achieve this +/// is to simply use the current time (with very high precision). +/// +/// The `seed` MUST be backed up safely prior to use so that the keys can be re-created, however, +/// obviously, `starting_time` should be unique every time you reload the library - it is only +/// used to generate new ephemeral key data (which will be stored by the individual channel if +/// necessary). +/// +/// Note that the seed is required to recover certain on-chain funds independent of +/// [`ChannelMonitor`] data, though a current copy of [`ChannelMonitor`] data is also required +/// for any channel, and some on-chain during-closing funds. +/// +/// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor +#[must_use] +#[no_mangle] +pub extern "C" fn KeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32) -> crate::lightning::sign::KeysManager { + let mut ret = lightning::sign::KeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos); + crate::lightning::sign::KeysManager { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Gets the \"node_id\" secret key used to sign gossip announcements, decode onion data, etc. +#[must_use] +#[no_mangle] +pub extern "C" fn KeysManager_get_node_secret_key(this_arg: &crate::lightning::sign::KeysManager) -> crate::c_types::SecretKey { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_node_secret_key(); + crate::c_types::SecretKey::from_rust(ret) +} + +/// Derive an old [`WriteableEcdsaChannelSigner`] containing per-channel secrets based on a key derivation parameters. +#[must_use] +#[no_mangle] +pub extern "C" fn KeysManager_derive_channel_keys(this_arg: &crate::lightning::sign::KeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::sign::InMemorySigner { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params}); + crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Signs the given [`PartiallySignedTransaction`] which spends the given [`SpendableOutputDescriptor`]s. +/// The resulting inputs will be finalized and the PSBT will be ready for broadcast if there +/// are no other inputs that need signing. +/// +/// Returns `Err(())` if the PSBT is missing a descriptor or if we fail to sign. +/// +/// May panic if the [`SpendableOutputDescriptor`]s were not generated by channels which used +/// this [`KeysManager`] or one of the [`InMemorySigner`] created by this [`KeysManager`]. +#[must_use] +#[no_mangle] +pub extern "C" fn KeysManager_sign_spendable_outputs_psbt(this_arg: &crate::lightning::sign::KeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut psbt: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_CVec_u8ZNoneZ { + let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_spendable_outputs_psbt(&local_descriptors.iter().collect::>()[..], ::bitcoin::psbt::PartiallySignedTransaction::deserialize(psbt.as_slice()).expect("Invalid PSBT format"), secp256k1::global::SECP256K1); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.serialize().into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +/// Creates a [`Transaction`] which spends the given descriptors to the given outputs, plus an +/// output to the given change destination (if sufficient change value remains). The +/// transaction will have a feerate, at least, of the given value. +/// +/// The `locktime` argument is used to set the transaction's locktime. If `None`, the +/// transaction will have a locktime of 0. It it recommended to set this to the current block +/// height to avoid fee sniping, unless you have some specific reason to use a different +/// locktime. +/// +/// Returns `Err(())` if the output value is greater than the input value minus required fee, +/// if a descriptor was duplicated, or if an output descriptor `script_pubkey` +/// does not match the one we can spend. +/// +/// We do not enforce that outputs meet the dust limit or that any output scripts are standard. +/// +/// May panic if the [`SpendableOutputDescriptor`]s were not generated by channels which used +/// this [`KeysManager`] or one of the [`InMemorySigner`] created by this [`KeysManager`]. +#[must_use] +#[no_mangle] +pub extern "C" fn KeysManager_spend_spendable_outputs(this_arg: &crate::lightning::sign::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, mut locktime: crate::c_types::derived::COption_u32Z) -> crate::c_types::derived::CResult_TransactionNoneZ { + let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); }; + let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); }; + let mut local_locktime = { /*locktime*/ let locktime_opt = locktime; if locktime_opt.is_none() { None } else { Some({ { ::bitcoin::blockdata::locktime::absolute::LockTime::from_consensus({ locktime_opt.take() }) }})} }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::ScriptBuf::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, local_locktime, secp256k1::global::SECP256K1); + 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() }; + local_ret +} + +impl From for crate::lightning::sign::EntropySource { + fn from(obj: nativeKeysManager) -> Self { + let rust_obj = crate::lightning::sign::KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = KeysManager_as_EntropySource(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(KeysManager_free_void); + ret + } +} +/// Constructs a new EntropySource which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is +#[no_mangle] +pub extern "C" fn KeysManager_as_EntropySource(this_arg: &KeysManager) -> crate::lightning::sign::EntropySource { + crate::lightning::sign::EntropySource { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_secure_random_bytes: KeysManager_EntropySource_get_secure_random_bytes, + } +} + +#[must_use] +extern "C" fn KeysManager_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); + crate::c_types::ThirtyTwoBytes { data: ret } +} + +impl From for crate::lightning::sign::NodeSigner { + fn from(obj: nativeKeysManager) -> Self { + let rust_obj = crate::lightning::sign::KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = KeysManager_as_NodeSigner(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(KeysManager_free_void); + ret + } +} +/// Constructs a new NodeSigner which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned NodeSigner must be freed before this_arg is +#[no_mangle] +pub extern "C" fn KeysManager_as_NodeSigner(this_arg: &KeysManager) -> crate::lightning::sign::NodeSigner { + crate::lightning::sign::NodeSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_inbound_payment_key_material: KeysManager_NodeSigner_get_inbound_payment_key_material, + get_node_id: KeysManager_NodeSigner_get_node_id, + ecdh: KeysManager_NodeSigner_ecdh, + sign_invoice: KeysManager_NodeSigner_sign_invoice, + sign_bolt12_invoice_request: KeysManager_NodeSigner_sign_bolt12_invoice_request, + sign_bolt12_invoice: KeysManager_NodeSigner_sign_bolt12_invoice, + sign_gossip_message: KeysManager_NodeSigner_sign_gossip_message, + } +} + +#[must_use] +extern "C" fn KeysManager_NodeSigner_get_inbound_payment_key_material(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::get_inbound_payment_key_material(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); + crate::c_types::ThirtyTwoBytes { data: ret.0 } +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_get_node_id(this_arg: *const c_void, mut recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ { + let mut ret = >::get_node_id(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, recipient.into_native()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_ecdh(this_arg: *const c_void, mut recipient: crate::lightning::sign::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_BigEndianScalarZ) -> crate::c_types::derived::CResult_ThirtyTwoBytesNoneZ { + let mut local_tweak_base = { /*tweak*/ let tweak_opt = tweak; if tweak_opt.is_none() { None } else { Some({ { { tweak_opt.take() }.into_rust() }})} }; let mut local_tweak = local_tweak_base.as_ref(); + let mut ret = >::ecdh(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, recipient.into_native(), &other_key.into_rust(), local_tweak); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.secret_bytes() } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_sign_invoice(this_arg: *const c_void, mut hrp_bytes: crate::c_types::u8slice, mut invoice_data: crate::c_types::derived::CVec_U5Z, mut recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ { + let mut local_invoice_data = Vec::new(); for mut item in invoice_data.into_rust().drain(..) { local_invoice_data.push( { item.into() }); }; + let mut ret = >::sign_invoice(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, hrp_bytes.to_slice(), &local_invoice_data[..], recipient.into_native()); + 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() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_sign_bolt12_invoice_request(this_arg: *const c_void, invoice_request: &crate::lightning::offers::invoice_request::UnsignedInvoiceRequest) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ { + let mut ret = >::sign_bolt12_invoice_request(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, invoice_request.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SchnorrSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_sign_bolt12_invoice(this_arg: *const c_void, invoice: &crate::lightning::offers::invoice::UnsignedBolt12Invoice) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ { + let mut ret = >::sign_bolt12_invoice(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, invoice.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SchnorrSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_NodeSigner_sign_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_gossip_message(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, msg.into_native()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::sign::SignerProvider { + fn from(obj: nativeKeysManager) -> Self { + let rust_obj = crate::lightning::sign::KeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = KeysManager_as_SignerProvider(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(KeysManager_free_void); + ret + } +} +/// Constructs a new SignerProvider which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned SignerProvider must be freed before this_arg is +#[no_mangle] +pub extern "C" fn KeysManager_as_SignerProvider(this_arg: &KeysManager) -> crate::lightning::sign::SignerProvider { + crate::lightning::sign::SignerProvider { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + generate_channel_keys_id: KeysManager_SignerProvider_generate_channel_keys_id, + derive_channel_signer: KeysManager_SignerProvider_derive_channel_signer, + read_chan_signer: KeysManager_SignerProvider_read_chan_signer, + get_destination_script: KeysManager_SignerProvider_get_destination_script, + get_shutdown_scriptpubkey: KeysManager_SignerProvider_get_shutdown_scriptpubkey, + } +} + +#[must_use] +extern "C" fn KeysManager_SignerProvider_generate_channel_keys_id(this_arg: *const c_void, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::generate_channel_keys_id(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, inbound, channel_value_satoshis, user_channel_id.into()); + crate::c_types::ThirtyTwoBytes { data: ret } +} +#[must_use] +extern "C" fn KeysManager_SignerProvider_derive_channel_signer(this_arg: *const c_void, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + let mut ret = >::derive_channel_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, channel_value_satoshis, channel_keys_id.data); + Into::into(ret) +} +#[must_use] +extern "C" fn KeysManager_SignerProvider_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ { + let mut ret = >::read_chan_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, reader.to_slice()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { Into::into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_SignerProvider_get_destination_script(this_arg: *const c_void, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_CVec_u8ZNoneZ { + let mut ret = >::get_destination_script(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, channel_keys_id.data); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.to_bytes().into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn KeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::c_types::derived::CResult_ShutdownScriptNoneZ { + let mut ret = >::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + + +use lightning::sign::PhantomKeysManager as nativePhantomKeysManagerImport; +pub(crate) type nativePhantomKeysManager = nativePhantomKeysManagerImport; + +/// Similar to [`KeysManager`], but allows the node using this struct to receive phantom node +/// payments. +/// +/// A phantom node payment is a payment made to a phantom invoice, which is an invoice that can be +/// paid to one of multiple nodes. This works because we encode the invoice route hints such that +/// LDK will recognize an incoming payment as destined for a phantom node, and collect the payment +/// itself without ever needing to forward to this fake node. +/// +/// Phantom node payments are useful for load balancing between multiple LDK nodes. They also +/// provide some fault tolerance, because payers will automatically retry paying other provided +/// nodes in the case that one node goes down. +/// +/// Note that multi-path payments are not supported in phantom invoices for security reasons. +/// Switching between this struct and [`KeysManager`] will invalidate any previously issued +/// invoices and attempts to pay previous invoices will fail. +#[must_use] +#[repr(C)] +pub struct PhantomKeysManager { + /// 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 nativePhantomKeysManager, + /// 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 PhantomKeysManager { + fn drop(&mut self) { + if self.is_owned && !<*mut nativePhantomKeysManager>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the PhantomKeysManager, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn PhantomKeysManager_free(this_obj: PhantomKeysManager) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn PhantomKeysManager_free_void(this_ptr: *mut c_void) { + let _ = unsafe { Box::from_raw(this_ptr as *mut nativePhantomKeysManager) }; +} +#[allow(unused)] +impl PhantomKeysManager { + pub(crate) fn get_native_ref(&self) -> &'static nativePhantomKeysManager { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativePhantomKeysManager { + 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 nativePhantomKeysManager { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +impl From for crate::lightning::sign::EntropySource { + fn from(obj: nativePhantomKeysManager) -> Self { + let rust_obj = crate::lightning::sign::PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = PhantomKeysManager_as_EntropySource(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(PhantomKeysManager_free_void); + ret + } +} +/// Constructs a new EntropySource which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned EntropySource must be freed before this_arg is +#[no_mangle] +pub extern "C" fn PhantomKeysManager_as_EntropySource(this_arg: &PhantomKeysManager) -> crate::lightning::sign::EntropySource { + crate::lightning::sign::EntropySource { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_secure_random_bytes: PhantomKeysManager_EntropySource_get_secure_random_bytes, + } +} + +#[must_use] +extern "C" fn PhantomKeysManager_EntropySource_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::get_secure_random_bytes(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, ); + crate::c_types::ThirtyTwoBytes { data: ret } +} + +impl From for crate::lightning::sign::NodeSigner { + fn from(obj: nativePhantomKeysManager) -> Self { + let rust_obj = crate::lightning::sign::PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = PhantomKeysManager_as_NodeSigner(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(PhantomKeysManager_free_void); + ret + } +} +/// Constructs a new NodeSigner which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned NodeSigner must be freed before this_arg is +#[no_mangle] +pub extern "C" fn PhantomKeysManager_as_NodeSigner(this_arg: &PhantomKeysManager) -> crate::lightning::sign::NodeSigner { + crate::lightning::sign::NodeSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + get_inbound_payment_key_material: PhantomKeysManager_NodeSigner_get_inbound_payment_key_material, + get_node_id: PhantomKeysManager_NodeSigner_get_node_id, + ecdh: PhantomKeysManager_NodeSigner_ecdh, + sign_invoice: PhantomKeysManager_NodeSigner_sign_invoice, + sign_bolt12_invoice_request: PhantomKeysManager_NodeSigner_sign_bolt12_invoice_request, + sign_bolt12_invoice: PhantomKeysManager_NodeSigner_sign_bolt12_invoice, + sign_gossip_message: PhantomKeysManager_NodeSigner_sign_gossip_message, + } +} + +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_get_inbound_payment_key_material(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::get_inbound_payment_key_material(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, ); + crate::c_types::ThirtyTwoBytes { data: ret.0 } +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_get_node_id(this_arg: *const c_void, mut recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ { + let mut ret = >::get_node_id(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, recipient.into_native()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_ecdh(this_arg: *const c_void, mut recipient: crate::lightning::sign::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_BigEndianScalarZ) -> crate::c_types::derived::CResult_ThirtyTwoBytesNoneZ { + let mut local_tweak_base = { /*tweak*/ let tweak_opt = tweak; if tweak_opt.is_none() { None } else { Some({ { { tweak_opt.take() }.into_rust() }})} }; let mut local_tweak = local_tweak_base.as_ref(); + let mut ret = >::ecdh(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, recipient.into_native(), &other_key.into_rust(), local_tweak); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.secret_bytes() } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_sign_invoice(this_arg: *const c_void, mut hrp_bytes: crate::c_types::u8slice, mut invoice_data: crate::c_types::derived::CVec_U5Z, mut recipient: crate::lightning::sign::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ { + let mut local_invoice_data = Vec::new(); for mut item in invoice_data.into_rust().drain(..) { local_invoice_data.push( { item.into() }); }; + let mut ret = >::sign_invoice(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, hrp_bytes.to_slice(), &local_invoice_data[..], recipient.into_native()); + 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() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_sign_bolt12_invoice_request(this_arg: *const c_void, invoice_request: &crate::lightning::offers::invoice_request::UnsignedInvoiceRequest) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ { + let mut ret = >::sign_bolt12_invoice_request(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, invoice_request.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SchnorrSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_sign_bolt12_invoice(this_arg: *const c_void, invoice: &crate::lightning::offers::invoice::UnsignedBolt12Invoice) -> crate::c_types::derived::CResult_SchnorrSignatureNoneZ { + let mut ret = >::sign_bolt12_invoice(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, invoice.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SchnorrSignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_NodeSigner_sign_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ { + let mut ret = >::sign_gossip_message(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, msg.into_native()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ECDSASignature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::sign::SignerProvider { + fn from(obj: nativePhantomKeysManager) -> Self { + let rust_obj = crate::lightning::sign::PhantomKeysManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = PhantomKeysManager_as_SignerProvider(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so forget it and set ret's free() fn + core::mem::forget(rust_obj); + ret.free = Some(PhantomKeysManager_free_void); + ret + } +} +/// Constructs a new SignerProvider which calls the relevant methods on this_arg. +/// This copies the `inner` pointer in this_arg and thus the returned SignerProvider must be freed before this_arg is +#[no_mangle] +pub extern "C" fn PhantomKeysManager_as_SignerProvider(this_arg: &PhantomKeysManager) -> crate::lightning::sign::SignerProvider { + crate::lightning::sign::SignerProvider { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + generate_channel_keys_id: PhantomKeysManager_SignerProvider_generate_channel_keys_id, + derive_channel_signer: PhantomKeysManager_SignerProvider_derive_channel_signer, + read_chan_signer: PhantomKeysManager_SignerProvider_read_chan_signer, + get_destination_script: PhantomKeysManager_SignerProvider_get_destination_script, + get_shutdown_scriptpubkey: PhantomKeysManager_SignerProvider_get_shutdown_scriptpubkey, + } +} + +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_generate_channel_keys_id(this_arg: *const c_void, mut inbound: bool, mut channel_value_satoshis: u64, mut user_channel_id: crate::c_types::U128) -> crate::c_types::ThirtyTwoBytes { + let mut ret = >::generate_channel_keys_id(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, inbound, channel_value_satoshis, user_channel_id.into()); + crate::c_types::ThirtyTwoBytes { data: ret } +} +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_derive_channel_signer(this_arg: *const c_void, mut channel_value_satoshis: u64, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::sign::ecdsa::WriteableEcdsaChannelSigner { + let mut ret = >::derive_channel_signer(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, channel_value_satoshis, channel_keys_id.data); + Into::into(ret) +} +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_WriteableEcdsaChannelSignerDecodeErrorZ { + let mut ret = >::read_chan_signer(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, reader.to_slice()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { Into::into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_get_destination_script(this_arg: *const c_void, mut channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_CVec_u8ZNoneZ { + let mut ret = >::get_destination_script(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, channel_keys_id.data); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.to_bytes().into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::c_types::derived::CResult_ShutdownScriptNoneZ { + let mut ret = >::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, ); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +/// Constructs a [`PhantomKeysManager`] given a 32-byte seed and an additional `cross_node_seed` +/// that is shared across all nodes that intend to participate in [phantom node payments] +/// together. +/// +/// See [`KeysManager::new`] for more information on `seed`, `starting_time_secs`, and +/// `starting_time_nanos`. +/// +/// `cross_node_seed` must be the same across all phantom payment-receiving nodes and also the +/// same across restarts, or else inbound payments may fail. +/// +/// [phantom node payments]: PhantomKeysManager +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomKeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32, cross_node_seed: *const [u8; 32]) -> crate::lightning::sign::PhantomKeysManager { + let mut ret = lightning::sign::PhantomKeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos, unsafe { &*cross_node_seed}); + crate::lightning::sign::PhantomKeysManager { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// See [`KeysManager::spend_spendable_outputs`] for documentation on this method. +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomKeysManager_spend_spendable_outputs(this_arg: &crate::lightning::sign::PhantomKeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32, mut locktime: crate::c_types::derived::COption_u32Z) -> crate::c_types::derived::CResult_TransactionNoneZ { + let mut local_descriptors = Vec::new(); for mut item in descriptors.into_rust().drain(..) { local_descriptors.push( { item.into_native() }); }; + let mut local_outputs = Vec::new(); for mut item in outputs.into_rust().drain(..) { local_outputs.push( { item.into_rust() }); }; + let mut local_locktime = { /*locktime*/ let locktime_opt = locktime; if locktime_opt.is_none() { None } else { Some({ { ::bitcoin::blockdata::locktime::absolute::LockTime::from_consensus({ locktime_opt.take() }) }})} }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::ScriptBuf::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, local_locktime, secp256k1::global::SECP256K1); + 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() }; + local_ret +} + +/// See [`KeysManager::derive_channel_keys`] for documentation on this method. +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomKeysManager_derive_channel_keys(this_arg: &crate::lightning::sign::PhantomKeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::sign::InMemorySigner { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params}); + crate::lightning::sign::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Gets the \"node_id\" secret key used to sign gossip announcements, decode onion data, etc. +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomKeysManager_get_node_secret_key(this_arg: &crate::lightning::sign::PhantomKeysManager) -> crate::c_types::SecretKey { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_node_secret_key(); + crate::c_types::SecretKey::from_rust(ret) +} + +/// Gets the \"node_id\" secret key of the phantom node used to sign invoices, decode the +/// last-hop onion data, etc. +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomKeysManager_get_phantom_node_secret_key(this_arg: &crate::lightning::sign::PhantomKeysManager) -> crate::c_types::SecretKey { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_phantom_node_secret_key(); + crate::c_types::SecretKey::from_rust(ret) +} +