X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fchain%2Fkeysinterface.rs;h=c8db36004b35ebbdc8f3687d27d84ec227acb9e1;hb=11b997c3a0452ea1da5b7b352e7887798105db29;hp=c3292d30433dad17eac8e4622b9f6677eef2f618;hpb=1926a7a71ae0f37ebd6562996769334e0af0cf1b;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/chain/keysinterface.rs b/lightning-c-bindings/src/lightning/chain/keysinterface.rs index c3292d3..c8db360 100644 --- a/lightning-c-bindings/src/lightning/chain/keysinterface.rs +++ b/lightning-c-bindings/src/lightning/chain/keysinterface.rs @@ -6,21 +6,26 @@ // license as that which applies to the original source files from which this // source was automatically generated. -//! keysinterface provides keys into rust-lightning and defines some useful enums which describe -//! spendable on-chain outputs which the user owns and is responsible for using just as any other -//! on-chain output which is theirs. +//! 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 std::str::FromStr; -use std::ffi::c_void; +use alloc::str::FromStr; +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::chain::keysinterface::DelayedPaymentOutputDescriptor as nativeDelayedPaymentOutputDescriptorImport; -type nativeDelayedPaymentOutputDescriptor = 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. +/// 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 { @@ -39,7 +44,7 @@ pub struct DelayedPaymentOutputDescriptor { impl Drop for DelayedPaymentOutputDescriptor { fn drop(&mut self) { if self.is_owned && !<*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -48,103 +53,115 @@ impl Drop for DelayedPaymentOutputDescriptor { 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 -extern "C" fn DelayedPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeDelayedPaymentOutputDescriptor); } +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)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy 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 = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } -/// The outpoint which is spendable +/// 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 unsafe { &mut *this_ptr.inner }.outpoint; - crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false } + 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 +/// 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 *this_ptr.inner }.outpoint = *unsafe { Box::from_raw(val.take_inner()) }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outpoint = *unsafe { Box::from_raw(val.take_inner()) }; } -/// Per commitment point to derive delayed_payment_key by key holder +/// 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 unsafe { &mut *this_ptr.inner }.per_commitment_point; + 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 delayed_payment_key by key holder +/// 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 *this_ptr.inner }.per_commitment_point = val.into_rust(); + 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 `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 unsafe { &mut *this_ptr.inner }.to_self_delay; + 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 `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 *this_ptr.inner }.to_self_delay = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.to_self_delay = val; +} +/// The output which is referenced by the given outpoint. +/// +/// Returns a copy of the field. +#[no_mangle] +pub extern "C" fn DelayedPaymentOutputDescriptor_get_output(this_ptr: &DelayedPaymentOutputDescriptor) -> crate::c_types::TxOut { + let mut inner_val = this_ptr.get_native_mut_ref().output.clone(); + crate::c_types::TxOut::from_rust(inner_val) } -/// The output which is referenced by the given outpoint +/// 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 *this_ptr.inner }.output = val.into_rust(); + 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::c_types::PublicKey { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_pubkey; + let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_pubkey; crate::c_types::PublicKey::from_rust(&inner_val) } /// 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::c_types::PublicKey) { - unsafe { &mut *this_ptr.inner }.revocation_pubkey = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_pubkey = val.into_rust(); } -/// Arbitrary identification information returned by a call to -/// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in -/// the channel to spend the output. +/// 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 unsafe { &mut *this_ptr.inner }.channel_keys_id; + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id; inner_val } -/// Arbitrary identification information returned by a call to -/// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in -/// the channel to spend the output. +/// 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 *this_ptr.inner }.channel_keys_id = val.data; + 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 unsafe { &mut *this_ptr.inner }.channel_value_satoshis; + 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 *this_ptr.inner }.channel_value_satoshis = val; + 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::c_types::PublicKey, mut channel_keys_id_arg: crate::c_types::ThirtyTwoBytes, mut channel_value_satoshis_arg: u64) -> DelayedPaymentOutputDescriptor { - DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(nativeDelayedPaymentOutputDescriptor { + 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, @@ -152,13 +169,13 @@ pub extern "C" fn DelayedPaymentOutputDescriptor_new(mut outpoint_arg: crate::li revocation_pubkey: revocation_pubkey_arg.into_rust(), channel_keys_id: channel_keys_id_arg.data, channel_value_satoshis: channel_value_satoshis_arg, - })), is_owned: true } + }), is_owned: true } } impl Clone for DelayedPaymentOutputDescriptor { fn clone(&self) -> Self { Self { - inner: if <*mut nativeDelayedPaymentOutputDescriptor>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + 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, } } @@ -173,12 +190,38 @@ pub(crate) extern "C" fn DelayedPaymentOutputDescriptor_clone_void(this_ptr: *co pub extern "C" fn DelayedPaymentOutputDescriptor_clone(orig: &DelayedPaymentOutputDescriptor) -> DelayedPaymentOutputDescriptor { orig.clone() } +/// 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::chain::keysinterface::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +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::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} use lightning::chain::keysinterface::StaticPaymentOutputDescriptor as nativeStaticPaymentOutputDescriptorImport; -type nativeStaticPaymentOutputDescriptor = 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. +/// 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 { @@ -197,7 +240,7 @@ pub struct StaticPaymentOutputDescriptor { impl Drop for StaticPaymentOutputDescriptor { fn drop(&mut self) { if self.is_owned && !<*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -206,77 +249,89 @@ impl Drop for StaticPaymentOutputDescriptor { 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 -extern "C" fn StaticPaymentOutputDescriptor_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeStaticPaymentOutputDescriptor); } +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)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy 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 = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } -/// The outpoint which is spendable +/// 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 unsafe { &mut *this_ptr.inner }.outpoint; - crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false } + 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 +/// 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 *this_ptr.inner }.outpoint = *unsafe { Box::from_raw(val.take_inner()) }; + 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. +/// +/// Returns a copy of the field. +#[no_mangle] +pub extern "C" fn StaticPaymentOutputDescriptor_get_output(this_ptr: &StaticPaymentOutputDescriptor) -> crate::c_types::TxOut { + let mut inner_val = this_ptr.get_native_mut_ref().output.clone(); + crate::c_types::TxOut::from_rust(inner_val) } -/// The output which is referenced by the given outpoint +/// 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 *this_ptr.inner }.output = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.output = val.into_rust(); } -/// Arbitrary identification information returned by a call to -/// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in -/// the channel to spend the output. +/// 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 unsafe { &mut *this_ptr.inner }.channel_keys_id; + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_keys_id; inner_val } -/// Arbitrary identification information returned by a call to -/// `Sign::channel_keys_id()`. This may be useful in re-deriving keys used in -/// the channel to spend the output. +/// 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 *this_ptr.inner }.channel_keys_id = val.data; + 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 unsafe { &mut *this_ptr.inner }.channel_value_satoshis; + 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 *this_ptr.inner }.channel_value_satoshis = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val; } /// Constructs a new StaticPaymentOutputDescriptor given each field #[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) -> StaticPaymentOutputDescriptor { - StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(nativeStaticPaymentOutputDescriptor { + 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, - })), is_owned: true } + }), is_owned: true } } impl Clone for StaticPaymentOutputDescriptor { fn clone(&self) -> Self { Self { - inner: if <*mut nativeStaticPaymentOutputDescriptor>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + 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, } } @@ -291,85 +346,133 @@ pub(crate) extern "C" fn StaticPaymentOutputDescriptor_clone_void(this_ptr: *con pub extern "C" fn StaticPaymentOutputDescriptor_clone(orig: &StaticPaymentOutputDescriptor) -> StaticPaymentOutputDescriptor { orig.clone() } -/// When on-chain outputs are created by rust-lightning (which our counterparty is not able to -/// claim at any point in the future) an 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. -#[must_use] +/// 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 } +} +#[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::chain::keysinterface::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +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::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + 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::util::events::Event::SpendableOutputs #[derive(Clone)] +#[must_use] #[repr(C)] pub enum SpendableOutputDescriptor { - /// An output to a script which was provided via KeysInterface directly, either from - /// `get_destination_script()` or `get_shutdown_pubkey()`, thus you should already know how to - /// spend it. No secret keys are provided as rust-lightning was never given any key. + /// 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 + /// 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, }, - /// An output to a P2WSH script which can be spent with a single signature after a CSV delay. + /// 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 to_self_delay - /// (which means the transaction is not broadcastable until at least to_self_delay - /// blocks after the outpoint confirms). + /// 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 for this input, you must pass the - /// holder delayed_payment_base_key (ie the private key which corresponds to the pubkey in - /// Sign::pubkeys().delayed_payment_basepoint) and the provided per_commitment_point to - /// chan_utils::derive_private_key. The public key can be generated without the secret key - /// using chan_utils::derive_public_key and only the delayed_payment_basepoint which appears in - /// Sign::pubkeys(). + /// 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 public key can be + /// generated without the secret key using [`chan_utils::derive_public_key`] and only the + /// [`ChannelPublicKeys::delayed_payment_basepoint`] which appears in [`ChannelSigner::pubkeys`]. /// - /// To derive the revocation_pubkey provided here (which is used in the witness - /// script generation), you must pass the counterparty revocation_basepoint (which appears in the - /// call to Sign::ready_channel) and the provided per_commitment point - /// to chan_utils::derive_public_revocation_key. + /// 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 + /// [`chan_utils::derive_public_revocation_key`]. /// - /// The witness script which is hashed and included in the output script_pubkey may be - /// regenerated by passing the revocation_pubkey (derived as above), our delayed_payment pubkey - /// (derived as above), and the to_self_delay contained here to - /// chan_utils::get_revokeable_redeemscript. - DelayedPaymentOutput(crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor), - /// An output to a P2WPKH, spendable exclusively by our payment key (ie the private key which - /// corresponds to the public key in Sign::pubkeys().payment_point). - /// The witness in the spending input, is, thus, simply: + /// 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::chain::keysinterface::DelayedPaymentOutputDescriptor), + /// An output to a P2WPKH, spendable exclusively by our payment key (i.e., the private key + /// which corresponds to the `payment_point` in [`ChannelSigner::pubkeys`]). The witness + /// in the spending input is, thus, simply: + /// ```bitcoin /// + /// ``` /// /// These are generally the result of our counterparty having broadcast the current state, /// allowing us to claim the non-HTLC-encumbered outputs immediately. - StaticPaymentOutput(crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor), + StaticPaymentOutput( + crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor), } -use lightning::chain::keysinterface::SpendableOutputDescriptor as nativeSpendableOutputDescriptor; +use lightning::chain::keysinterface::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, } => { - let mut outpoint_nonref = (*outpoint).clone(); - let mut output_nonref = (*output).clone(); + let mut outpoint_nonref = Clone::clone(outpoint); + let mut output_nonref = Clone::clone(output); nativeSpendableOutputDescriptor::StaticOutput { outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) }, output: output_nonref.into_rust(), } }, SpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => { - let mut a_nonref = (*a).clone(); + 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 = (*a).clone(); + let mut a_nonref = Clone::clone(a); nativeSpendableOutputDescriptor::StaticPaymentOutput ( *unsafe { Box::from_raw(a_nonref.take_inner()) }, ) @@ -401,23 +504,23 @@ impl SpendableOutputDescriptor { pub(crate) fn from_native(native: &nativeSpendableOutputDescriptor) -> Self { match native { nativeSpendableOutputDescriptor::StaticOutput {ref outpoint, ref output, } => { - let mut outpoint_nonref = (*outpoint).clone(); - let mut output_nonref = (*output).clone(); + let mut outpoint_nonref = Clone::clone(outpoint); + let mut output_nonref = Clone::clone(output); SpendableOutputDescriptor::StaticOutput { - outpoint: crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint_nonref)), is_owned: true }, + outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint_nonref), is_owned: true }, output: crate::c_types::TxOut::from_rust(output_nonref), } }, nativeSpendableOutputDescriptor::DelayedPaymentOutput (ref a, ) => { - let mut a_nonref = (*a).clone(); + let mut a_nonref = Clone::clone(a); SpendableOutputDescriptor::DelayedPaymentOutput ( - crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true }, + crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true }, ) }, nativeSpendableOutputDescriptor::StaticPaymentOutput (ref a, ) => { - let mut a_nonref = (*a).clone(); + let mut a_nonref = Clone::clone(a); SpendableOutputDescriptor::StaticPaymentOutput ( - crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a_nonref)), is_owned: true }, + crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a_nonref), is_owned: true }, ) }, } @@ -427,18 +530,18 @@ impl SpendableOutputDescriptor { match native { nativeSpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => { SpendableOutputDescriptor::StaticOutput { - outpoint: crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint)), is_owned: true }, + outpoint: crate::lightning::chain::transaction::OutPoint { inner: ObjOps::heap_alloc(outpoint), is_owned: true }, output: crate::c_types::TxOut::from_rust(output), } }, nativeSpendableOutputDescriptor::DelayedPaymentOutput (mut a, ) => { SpendableOutputDescriptor::DelayedPaymentOutput ( - crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a)), is_owned: true }, + crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true }, ) }, nativeSpendableOutputDescriptor::StaticPaymentOutput (mut a, ) => { SpendableOutputDescriptor::StaticPaymentOutput ( - crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: Box::into_raw(Box::new(a)), is_owned: true }, + crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor { inner: ObjOps::heap_alloc(a), is_owned: true }, ) }, } @@ -453,42 +556,51 @@ pub extern "C" fn SpendableOutputDescriptor_clone(orig: &SpendableOutputDescript orig.clone() } #[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) -> SpendableOutputDescriptor { + SpendableOutputDescriptor::StaticOutput { + outpoint, + output, + } +} +#[no_mangle] +/// Utility method to constructs a new DelayedPaymentOutput-variant SpendableOutputDescriptor +pub extern "C" fn SpendableOutputDescriptor_delayed_payment_output(a: crate::lightning::chain::keysinterface::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::chain::keysinterface::StaticPaymentOutputDescriptor) -> SpendableOutputDescriptor { + SpendableOutputDescriptor::StaticPaymentOutput(a, ) +} +/// 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: &SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { +pub extern "C" fn SpendableOutputDescriptor_write(obj: &crate::lightning::chain::keysinterface::SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { crate::c_types::serialize_obj(&unsafe { &*obj }.to_native()) } #[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 = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::SpendableOutputDescriptor::native_into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; + 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::chain::keysinterface::SpendableOutputDescriptor::native_into(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; local_res } -/// A trait to sign lightning channel transactions as described in BOLT 3. -/// -/// Signing services could be implemented on a hardware wallet. In this case, -/// the current Sign would be a front-end on top of a communication -/// channel connected to your secure device and lightning key material wouldn't -/// reside on a hot server. Nevertheless, a this deployment would still need -/// to trust the ChannelManager to avoid loss of funds as this latest component -/// could ask to sign commitment transaction with HTLCs paying to attacker pubkeys. -/// -/// A more secure iteration would be to use hashlock (or payment points) to pair -/// invoice/incoming HTLCs with outgoing HTLCs to implement a no-trust-ChannelManager -/// at the price of more state and computation on the hardware wallet side. In the future, -/// we are looking forward to design such interface. -/// -/// In any case, ChannelMonitor or fallback watchtowers are always going to be trusted -/// to act, as liveness and breach reply correctness are always going to be hard requirements -/// of LN security model, orthogonal of key management issues. +/// A trait to handle Lightning channel key material without concretizing the channel type or +/// the signature mechanism. #[repr(C)] -pub struct BaseSign { +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. + /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards. #[must_use] 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 @@ -498,58 +610,201 @@ pub struct BaseSign { /// /// May be called more than once for the same index. /// - /// Note that the commitment number starts at (1 << 48) - 1 and counts backwards. + /// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards. #[must_use] pub release_commitment_secret: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::ThirtyTwoBytes, - /// Gets the holder's channel public keys and basepoints + /// 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 outgoing 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. + #[must_use] + pub validate_holder_commitment: extern "C" fn (this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_NoneNoneZ, + /// Returns the holder's channel public keys and basepoints. pub pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys, /// 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, - /// Gets 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 - /// Sign object uniquely and lookup or re-derive its keys. + 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. #[must_use] 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 {} +#[no_mangle] +pub(crate) extern "C" 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), + pubkeys: Clone::clone(&orig.pubkeys), + 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::chain::keysinterface::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 preimages: Vec) -> Result<(), ()> { + let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_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_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 pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys { + if let Some(f) = self.set_pubkeys { + (f)(&self); + } + self.pubkeys.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 + } +} +/// 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); + } + } +} +/// A trait to sign Lightning channel transactions as described in +/// [BOLT 3](https://github.com/lightning/bolts/blob/master/03-transactions.md). +/// +/// Signing services could be implemented on a hardware wallet and should implement signing +/// policies in order to be secure. Please refer to the [VLS Policy +/// Controls](https://gitlab.com/lightning-signer/validating-lightning-signer/-/blob/main/docs/policy-controls.md) +/// for an example of such policies. +#[repr(C)] +pub struct EcdsaChannelSigner { + /// 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, /// Create a signature for a counterparty's commitment transaction and associated HTLC transactions. /// /// Note that if signing fails or is rejected, the channel will be force-closed. + /// + /// Policy checks should be implemented in this function, including checking the amount + /// sent to us and checking the HTLCs. + /// + /// The preimages of outgoing 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. + #[must_use] + pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, + /// 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. #[must_use] - pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, - /// Create a signatures for a holder's commitment transaction and its claiming HTLC transactions. - /// This will only ever be called with a non-revoked commitment_tx. This will be called with the - /// latest commitment_tx when we initiate a force-close. - /// This will be called with the previous latest, just to get claiming HTLC signatures, if we are - /// reacting to a ChannelMonitor replica that decided to broadcast before it had been updated to - /// the latest. + pub validate_counterparty_revocation: extern "C" fn (this_arg: *const c_void, idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ, + /// Creates a signature for a holder's commitment transaction and its claiming HTLC transactions. + /// + /// This will be called + /// - with a non-revoked `commitment_tx`. + /// - with the latest `commitment_tx` when we initiate a force-close. + /// - with the previous `commitment_tx`, just to get claiming HTLC + /// signatures, if we are reacting to a [`ChannelMonitor`] + /// [replica](https://github.com/lightningdevkit/rust-lightning/blob/main/GLOSSARY.md#monitor-replicas) + /// that decided to broadcast before it had been updated to the latest `commitment_tx`. + /// /// This may be called multiple times for the same transaction. /// /// An external signer implementation should check that the commitment has not been revoked. /// - /// May return Err if key derivation fails. Callers, such as ChannelMonitor, will panic in such a case. + /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor #[must_use] pub sign_holder_commitment_and_htlcs: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, - /// Create a signature for the given input in a transaction spending an HTLC or commitment - /// transaction output when our counterparty broadcasts an old state. + /// Create a signature for the given input in a transaction spending an HTLC transaction output + /// or a commitment transaction `to_local` output when our counterparty broadcasts an old state. /// - /// A justice transaction may claim multiples outputs at the same time if timelocks are + /// A justice transaction may claim multiple outputs at the same time if timelocks are /// similar, but only a signature for the input at index `input` should be signed for here. - /// It may be called multiples time for same output(s) if a fee-bump is needed with regards + /// It may be called multiple times for same output(s) if a fee-bump is needed with regards /// to an upcoming timelock expiration. /// /// Amount is value of the output spent by this input, committed to in the BIP 143 signature. /// - /// per_commitment_key is revocation secret which was provided by our counterparty when they + /// `per_commitment_key` is revocation secret which was provided by our counterparty when they + /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does + /// not allow the spending of any funds by itself (you need our holder `revocation_secret` to do + /// so). + #[must_use] + pub sign_justice_revoked_output: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32]) -> crate::c_types::derived::CResult_SignatureNoneZ, + /// Create a signature for the given input in a transaction spending a commitment transaction + /// HTLC output when our counterparty broadcasts an old state. + /// + /// A justice transaction may claim multiple outputs at the same time if timelocks are + /// similar, but only a signature for the input at index `input` should be signed for here. + /// It may be called multiple times for same output(s) if a fee-bump is needed with regards + /// to an upcoming timelock expiration. + /// + /// `amount` is the value of the output spent by this input, committed to in the BIP 143 + /// signature. + /// + /// `per_commitment_key` is revocation secret which was provided by our counterparty when they /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does /// not allow the spending of any funds by itself (you need our holder revocation_secret to do /// so). /// - /// htlc holds HTLC elements (hash, timelock) if the output being spent is a HTLC output, thus - /// changing the format of the witness script (which is committed to in the BIP 143 - /// signatures). + /// `htlc` holds HTLC elements (hash, timelock), thus changing the format of the witness script + /// (which is committed to in the BIP 143 signatures). #[must_use] - pub sign_justice_transaction: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ, + pub sign_justice_revoked_htlc: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ, /// Create a signature for a claiming transaction for a HTLC output on a counterparty's commitment /// transaction, either offered or received. /// @@ -558,12 +813,12 @@ pub struct BaseSign { /// signed for here. It may be called multiple times for same output(s) if a fee-bump is /// needed with regards to an upcoming timelock expiration. /// - /// Witness_script is either a offered or received script as defined in BOLT3 for HTLC + /// `witness_script` is either an offered or received script as defined in BOLT3 for HTLC /// outputs. /// - /// Amount is value of the output spent by this input, committed to in the BIP 143 signature. + /// `amount` is value of the output spent by this input, committed to in the BIP 143 signature. /// - /// Per_commitment_point is the dynamic point corresponding to the channel state + /// `per_commitment_point` is the dynamic point corresponding to the channel state /// detected onchain. It has been generated by our counterparty and is used to derive /// channel state keys, which are then included in the witness script and committed to in the /// BIP 143 signature. @@ -574,90 +829,130 @@ pub struct BaseSign { /// Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have /// chosen to forgo their output as dust. #[must_use] - pub sign_closing_transaction: extern "C" fn (this_arg: *const c_void, closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ, - /// Signs a channel announcement message with our funding key, proving it comes from one - /// of the channel participants. + pub sign_closing_transaction: extern "C" fn (this_arg: *const c_void, closing_tx: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ, + /// Computes the signature for a commitment transaction's anchor output used as an + /// input within `anchor_tx`, which spends the commitment transaction, at index `input`. + #[must_use] + pub sign_holder_anchor_input: extern "C" fn (this_arg: *const c_void, anchor_tx: crate::c_types::Transaction, input: usize) -> crate::c_types::derived::CResult_SignatureNoneZ, + /// Signs a channel announcement message with our funding key proving it comes from one of the + /// channel participants. + /// + /// Channel announcements also require a signature from each node's network key. Our node + /// signature is computed through [`NodeSigner::sign_gossip_message`]. /// /// Note that if this fails or is rejected, the channel will not be publicly announced and /// our counterparty may (though likely will not) close the channel on us for violating the /// protocol. #[must_use] - pub sign_channel_announcement: extern "C" fn (this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ, - /// Set the counterparty static channel data, including basepoints, - /// counterparty_selected/holder_selected_contest_delay and funding outpoint. - /// This is done as soon as the funding outpoint is known. Since these are static channel data, - /// they MUST NOT be allowed to change to different values once set. - /// - /// channel_parameters.is_populated() MUST be true. - /// - /// We bind holder_selected_contest_delay late here for API convenience. - /// - /// Will be called before any signatures are applied. - pub ready_channel: extern "C" fn (this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters), + pub sign_channel_announcement_with_funding_key: extern "C" fn (this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ, + /// Implementation of ChannelSigner for this object. + pub ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner, /// 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, } - -use lightning::chain::keysinterface::BaseSign as rustBaseSign; -impl rustBaseSign for BaseSign { - fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> bitcoin::secp256k1::key::PublicKey { - let mut ret = (self.get_per_commitment_point)(self.this_arg, idx); +unsafe impl Send for EcdsaChannelSigner {} +unsafe impl Sync for EcdsaChannelSigner {} +#[no_mangle] +pub(crate) extern "C" fn EcdsaChannelSigner_clone_fields(orig: &EcdsaChannelSigner) -> EcdsaChannelSigner { + EcdsaChannelSigner { + this_arg: orig.this_arg, + sign_counterparty_commitment: Clone::clone(&orig.sign_counterparty_commitment), + validate_counterparty_revocation: Clone::clone(&orig.validate_counterparty_revocation), + sign_holder_commitment_and_htlcs: Clone::clone(&orig.sign_holder_commitment_and_htlcs), + sign_justice_revoked_output: Clone::clone(&orig.sign_justice_revoked_output), + sign_justice_revoked_htlc: Clone::clone(&orig.sign_justice_revoked_htlc), + sign_counterparty_htlc_transaction: Clone::clone(&orig.sign_counterparty_htlc_transaction), + sign_closing_transaction: Clone::clone(&orig.sign_closing_transaction), + sign_holder_anchor_input: Clone::clone(&orig.sign_holder_anchor_input), + sign_channel_announcement_with_funding_key: Clone::clone(&orig.sign_channel_announcement_with_funding_key), + ChannelSigner: crate::lightning::chain::keysinterface::ChannelSigner_clone_fields(&orig.ChannelSigner), + free: Clone::clone(&orig.free), + } +} +impl lightning::chain::keysinterface::ChannelSigner for EcdsaChannelSigner { + fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> bitcoin::secp256k1::PublicKey { + let mut ret = (self.ChannelSigner.get_per_commitment_point)(self.ChannelSigner.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); + let mut ret = (self.ChannelSigner.release_commitment_secret)(self.ChannelSigner.this_arg, idx); ret.data } + fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: Vec) -> Result<(), ()> { + let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); }; + let mut ret = (self.ChannelSigner.validate_holder_commitment)(self.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into()); + 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); + if let Some(f) = self.ChannelSigner.set_pubkeys { + (f)(&self.ChannelSigner); } - unsafe { &*self.pubkeys.inner } + self.ChannelSigner.pubkeys.get_native_ref() } fn channel_keys_id(&self) -> [u8; 32] { - let mut ret = (self.channel_keys_id)(self.this_arg); + let mut ret = (self.ChannelSigner.channel_keys_id)(self.ChannelSigner.this_arg); ret.data } - fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { - let mut ret = (self.sign_counterparty_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); + fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { + (self.ChannelSigner.provide_channel_parameters)(self.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false }) + } +} + +use lightning::chain::keysinterface::EcdsaChannelSigner as rustEcdsaChannelSigner; +impl rustEcdsaChannelSigner for EcdsaChannelSigner { + fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut preimages: Vec, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec), ()> { + let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); }; + let mut ret = (self.sign_counterparty_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::CommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into()); let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } - fn sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { - let mut ret = (self.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); + 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 sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec), ()> { + let mut ret = (self.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }); let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } - fn sign_justice_transaction(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::key::SecretKey, mut htlc: &Option, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut local_htlc = &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (if htlc.is_none() { std::ptr::null() } else { { (htlc.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false }; - let mut ret = (self.sign_justice_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), local_htlc); + fn sign_justice_revoked_output(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_justice_revoked_output)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref()); 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_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::key::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.sign_counterparty_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (htlc as *const _) as *mut _ }, is_owned: false }); + fn sign_justice_revoked_htlc(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_justice_revoked_htlc)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false }); 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_closing_transaction(&self, mut closing_tx: &bitcoin::blockdata::transaction::Transaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.sign_closing_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(closing_tx)); + fn sign_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_counterparty_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false }); 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_channel_announcement(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.sign_channel_announcement)(self.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { (msg as *const _) as *mut _ }, is_owned: false }); + fn sign_closing_transaction(&self, mut closing_tx: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_closing_transaction)(self.this_arg, &crate::lightning::ln::chan_utils::ClosingTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((closing_tx as *const lightning::ln::chan_utils::ClosingTransaction<>) as *mut _) }, is_owned: false }); 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 ready_channel(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { - (self.ready_channel)(self.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (channel_parameters as *const _) as *mut _ }, is_owned: false }) + fn sign_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_holder_anchor_input)(self.this_arg, crate::c_types::Transaction::from_bitcoin(anchor_tx), input); + 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_channel_announcement_with_funding_key(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.sign_channel_announcement_with_funding_key)(self.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { ObjOps::nonnull_ptr_to_inner((msg as *const lightning::ln::msgs::UnsignedChannelAnnouncement<>) as *mut _) }, is_owned: false }); + 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 std::ops::Deref for BaseSign { +impl core::ops::Deref for EcdsaChannelSigner { type Target = Self; fn deref(&self) -> &Self { self @@ -665,124 +960,249 @@ impl std::ops::Deref for BaseSign { } /// Calls the free function if one is set #[no_mangle] -pub extern "C" fn BaseSign_free(this_ptr: BaseSign) { } -impl Drop for BaseSign { +pub extern "C" fn EcdsaChannelSigner_free(this_ptr: EcdsaChannelSigner) { } +impl Drop for EcdsaChannelSigner { fn drop(&mut self) { if let Some(f) = self.free { f(self.this_arg); } } } -/// A cloneable signer. +/// A writeable signer. +/// +/// There will always be two instances of a signer per channel, one occupied by the +/// [`ChannelManager`] and another by the channel's [`ChannelMonitor`]. /// -/// Although we require signers to be cloneable, it may be useful for developers to be able to use -/// signers in an un-sized way, for example as `dyn BaseSign`. Therefore we separate the Clone trait, -/// which implies Sized, into this derived trait. +/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager +/// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor #[repr(C)] -pub struct Sign { +pub struct WriteableEcdsaChannelSigner { /// 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, - /// Implementation of BaseSign for this object. - pub BaseSign: crate::lightning::chain::keysinterface::BaseSign, - /// Creates a copy of the BaseSign, for a copy of this Sign. - /// Because BaseSign doesn't natively support copying itself, you have to provide a full copy implementation here. - pub BaseSign_clone: extern "C" fn (orig_BaseSign: &BaseSign) -> BaseSign, + /// Implementation of EcdsaChannelSigner for this object. + pub EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner, /// Serialize the object into a byte array pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z, - /// Creates a copy of the object pointed to by this_arg, for a copy of this Sign. - /// Note that the ultimate copy of the Sign will have all function pointers the same as the original. - /// May be NULL if no action needs to be taken, the this_arg pointer will be copied into the new Sign. - pub clone: Option *mut c_void>, /// 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, } -impl lightning::chain::keysinterface::BaseSign for Sign { - fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> bitcoin::secp256k1::key::PublicKey { - let mut ret = (self.BaseSign.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.BaseSign.release_commitment_secret)(self.this_arg, idx); - ret.data +unsafe impl Send for WriteableEcdsaChannelSigner {} +unsafe impl Sync for WriteableEcdsaChannelSigner {} +#[no_mangle] +pub(crate) extern "C" fn WriteableEcdsaChannelSigner_clone_fields(orig: &WriteableEcdsaChannelSigner) -> WriteableEcdsaChannelSigner { + WriteableEcdsaChannelSigner { + this_arg: orig.this_arg, + EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner_clone_fields(&orig.EcdsaChannelSigner), + write: Clone::clone(&orig.write), + free: Clone::clone(&orig.free), } - fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys { - if let Some(f) = self.BaseSign.set_pubkeys { - (f)(&self.BaseSign); - } - unsafe { &*self.BaseSign.pubkeys.inner } +} +impl lightning::chain::keysinterface::EcdsaChannelSigner for WriteableEcdsaChannelSigner { + fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut preimages: Vec, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec), ()> { + let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); }; + let mut ret = (self.EcdsaChannelSigner.sign_counterparty_commitment)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::CommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into()); + let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + local_ret } - fn channel_keys_id(&self) -> [u8; 32] { - let mut ret = (self.BaseSign.channel_keys_id)(self.this_arg); - ret.data + fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> { + let mut ret = (self.EcdsaChannelSigner.validate_counterparty_revocation)(self.EcdsaChannelSigner.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 sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { - let mut ret = (self.BaseSign.sign_counterparty_commitment)(self.this_arg, &crate::lightning::ln::chan_utils::CommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); + fn sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec), ()> { + let mut ret = (self.EcdsaChannelSigner.sign_holder_commitment_and_htlcs)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((commitment_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }); let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } - fn sign_holder_commitment_and_htlcs(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { - let mut ret = (self.BaseSign.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); - let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; + fn sign_justice_revoked_output(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_justice_revoked_output)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref()); + 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_justice_transaction(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::key::SecretKey, mut htlc: &Option, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut local_htlc = &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (if htlc.is_none() { std::ptr::null() } else { { (htlc.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false }; - let mut ret = (self.BaseSign.sign_justice_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), local_htlc); + fn sign_justice_revoked_htlc(&self, mut justice_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_key: &bitcoin::secp256k1::SecretKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_justice_revoked_htlc)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(justice_tx), input, amount, per_commitment_key.as_ref(), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false }); 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_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::key::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.BaseSign.sign_counterparty_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (htlc as *const _) as *mut _ }, is_owned: false }); + fn sign_counterparty_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: &bitcoin::secp256k1::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_counterparty_htlc_transaction)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::lightning::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc as *const lightning::ln::chan_utils::HTLCOutputInCommitment<>) as *mut _) }, is_owned: false }); 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_closing_transaction(&self, mut closing_tx: &bitcoin::blockdata::transaction::Transaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.BaseSign.sign_closing_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(closing_tx)); + fn sign_closing_transaction(&self, mut closing_tx: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_closing_transaction)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ClosingTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((closing_tx as *const lightning::ln::chan_utils::ClosingTransaction<>) as *mut _) }, is_owned: false }); 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_channel_announcement(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.BaseSign.sign_channel_announcement)(self.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { (msg as *const _) as *mut _ }, is_owned: false }); + fn sign_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_holder_anchor_input)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(anchor_tx), input); 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 ready_channel(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { - (self.BaseSign.ready_channel)(self.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (channel_parameters as *const _) as *mut _ }, is_owned: false }) + fn sign_channel_announcement_with_funding_key(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + let mut ret = (self.EcdsaChannelSigner.sign_channel_announcement_with_funding_key)(self.EcdsaChannelSigner.this_arg, &crate::lightning::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { ObjOps::nonnull_ptr_to_inner((msg as *const lightning::ln::msgs::UnsignedChannelAnnouncement<>) as *mut _) }, is_owned: false }); + 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 + } +} +impl lightning::chain::keysinterface::ChannelSigner for WriteableEcdsaChannelSigner { + fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> bitcoin::secp256k1::PublicKey { + let mut ret = (self.EcdsaChannelSigner.ChannelSigner.get_per_commitment_point)(self.EcdsaChannelSigner.ChannelSigner.this_arg, idx); + ret.into_rust() + } + fn release_commitment_secret(&self, mut idx: u64) -> [u8; 32] { + let mut ret = (self.EcdsaChannelSigner.ChannelSigner.release_commitment_secret)(self.EcdsaChannelSigner.ChannelSigner.this_arg, idx); + ret.data + } + fn validate_holder_commitment(&self, mut holder_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: Vec) -> Result<(), ()> { + let mut local_preimages = Vec::new(); for mut item in preimages.drain(..) { local_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); }; + let mut ret = (self.EcdsaChannelSigner.ChannelSigner.validate_holder_commitment)(self.EcdsaChannelSigner.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { ObjOps::nonnull_ptr_to_inner((holder_tx as *const lightning::ln::chan_utils::HolderCommitmentTransaction<>) as *mut _) }, is_owned: false }, local_preimages.into()); + 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.EcdsaChannelSigner.ChannelSigner.set_pubkeys { + (f)(&self.EcdsaChannelSigner.ChannelSigner); + } + self.EcdsaChannelSigner.ChannelSigner.pubkeys.get_native_ref() + } + fn channel_keys_id(&self) -> [u8; 32] { + let mut ret = (self.EcdsaChannelSigner.ChannelSigner.channel_keys_id)(self.EcdsaChannelSigner.ChannelSigner.this_arg); + ret.data + } + fn provide_channel_parameters(&mut self, mut channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { + (self.EcdsaChannelSigner.ChannelSigner.provide_channel_parameters)(self.EcdsaChannelSigner.ChannelSigner.this_arg, &crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((channel_parameters as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false }) } } -impl lightning::util::ser::Writeable for Sign { - fn write(&self, w: &mut W) -> Result<(), ::std::io::Error> { +impl lightning::util::ser::Writeable for WriteableEcdsaChannelSigner { + fn write(&self, w: &mut W) -> Result<(), crate::c_types::io::Error> { let vec = (self.write)(self.this_arg); w.write_all(vec.as_slice()) } } + +use lightning::chain::keysinterface::WriteableEcdsaChannelSigner as rustWriteableEcdsaChannelSigner; +impl rustWriteableEcdsaChannelSigner for WriteableEcdsaChannelSigner { +} + +// 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 WriteableEcdsaChannelSigner { + type Target = Self; + fn deref(&self) -> &Self { + self + } +} +/// Calls the free function if one is set #[no_mangle] -/// Creates a copy of a Sign -pub extern "C" fn Sign_clone(orig: &Sign) -> Sign { - Sign { - this_arg: if let Some(f) = orig.clone { (f)(orig.this_arg) } else { orig.this_arg }, - BaseSign: (orig.BaseSign_clone)(&orig.BaseSign), - BaseSign_clone: orig.BaseSign_clone, - write: Clone::clone(&orig.write), - clone: Clone::clone(&orig.clone), - free: Clone::clone(&orig.free), +pub extern "C" fn WriteableEcdsaChannelSigner_free(this_ptr: WriteableEcdsaChannelSigner) { } +impl Drop for WriteableEcdsaChannelSigner { + fn drop(&mut self) { + if let Some(f) = self.free { + f(self.this_arg); + } } } -impl Clone for Sign { - fn clone(&self) -> Self { - Sign_clone(self) +/// 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::chain::keysinterface::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: &nativeRecipient) -> Self { + 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() +} +#[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. + #[must_use] + 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 {} +#[no_mangle] +pub(crate) extern "C" 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::chain::keysinterface::Sign as rustSign; -impl rustSign for Sign { +use lightning::chain::keysinterface::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 std::ops::Deref for Sign { +impl core::ops::Deref for EntropySource { type Target = Self; fn deref(&self) -> &Self { self @@ -790,110 +1210,236 @@ impl std::ops::Deref for Sign { } /// Calls the free function if one is set #[no_mangle] -pub extern "C" fn Sign_free(this_ptr: Sign) { } -impl Drop for Sign { +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 to describe an object which can get user secrets and key material. +/// A trait that can handle cryptographic operations at the scope level of a node. #[repr(C)] -pub struct KeysInterface { +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 node secret key (aka node_id or network_key). + /// 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 #[must_use] - pub get_node_secret: extern "C" fn (this_arg: *const c_void) -> crate::c_types::SecretKey, - /// Get a script pubkey which we send funds to when claiming on-chain contestable outputs. + 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 should return a different value each time it is called, to avoid linking - /// on-chain funds across channels as controlled to the same user. + /// 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. #[must_use] - pub get_destination_script: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z, - /// Get a public key which we will send funds to (in the form of a P2WPKH output) when closing - /// a channel. + pub get_node_id: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::chain::keysinterface::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. /// - /// 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. + /// 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. #[must_use] - pub get_shutdown_pubkey: extern "C" fn (this_arg: *const c_void) -> crate::c_types::PublicKey, - /// Get a new set of Sign for per-channel secrets. These MUST be unique even if you - /// restarted with some stale data! + pub ecdh: extern "C" fn (this_arg: *const c_void, recipient: crate::lightning::chain::keysinterface::Recipient, other_key: crate::c_types::PublicKey, tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ, + /// Sign an invoice. /// - /// This method must return a different value each time it is called. + /// 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. #[must_use] - pub get_channel_signer: extern "C" fn (this_arg: *const c_void, inbound: bool, channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign, - /// Gets a unique, cryptographically-secure, random 32 byte value. This is used for encrypting - /// onion packets and for temporary channel IDs. There is no requirement that these be - /// persisted anywhere, though they must be unique across restarts. + pub sign_invoice: extern "C" fn (this_arg: *const c_void, hrp_bytes: crate::c_types::u8slice, invoice_data: crate::c_types::derived::CVec_U5Z, recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ, + /// 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. + #[must_use] + pub sign_gossip_message: extern "C" fn (this_arg: *const c_void, msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ, + /// 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 {} +#[no_mangle] +pub(crate) extern "C" 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_gossip_message: Clone::clone(&orig.sign_gossip_message), + free: Clone::clone(&orig.free), + } +} + +use lightning::chain::keysinterface::NodeSigner as rustNodeSigner; +impl rustNodeSigner for NodeSigner { + fn get_inbound_payment_key_material(&self) -> lightning::chain::keysinterface::KeyMaterial { + let mut ret = (self.get_inbound_payment_key_material)(self.this_arg); + ::lightning::chain::keysinterface::KeyMaterial(ret.data) + } + fn get_node_id(&self, mut recipient: lightning::chain::keysinterface::Recipient) -> Result { + let mut ret = (self.get_node_id)(self.this_arg, crate::lightning::chain::keysinterface::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::chain::keysinterface::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_ScalarZ::None } else { crate::c_types::derived::COption_ScalarZ::Some(/* WARNING: CLONING CONVERSION HERE! &Option is otherwise un-expressable. */ { crate::c_types::BigEndianScalar::from_rust(tweak.clone().unwrap()) }) }; + let mut ret = (self.ecdh)(self.this_arg, crate::lightning::chain::keysinterface::Recipient::native_into(recipient), crate::c_types::PublicKey::from_rust(&other_key), local_tweak); + 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::chain::keysinterface::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::chain::keysinterface::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_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 + } +} +/// 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::Signer`] 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. #[must_use] - pub get_secure_random_bytes: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes, - /// Reads a `Signer` for this `KeysInterface` from the given input stream. + 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`]. + #[must_use] + pub derive_channel_signer: extern "C" fn (this_arg: *const c_void, channel_value_satoshis: u64, channel_keys_id: crate::c_types::ThirtyTwoBytes) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner, + /// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream. /// This is only called during deserialization of other objects which contain - /// `Sign`-implementing objects (ie `ChannelMonitor`s and `ChannelManager`s). + /// [`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::Signer + /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor + /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager #[must_use] - pub read_chan_signer: extern "C" fn (this_arg: *const c_void, reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SignDecodeErrorZ, - /// Sign an invoice's preimage (note that this is the preimage of the invoice, not the HTLC's - /// preimage). By parameterizing by the preimage 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. + 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. + /// + /// 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. + #[must_use] + pub get_destination_script: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z, + /// Get a script pubkey which we will send funds to when closing a channel. + /// + /// 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. #[must_use] - pub sign_invoice: extern "C" fn (this_arg: *const c_void, invoice_preimage: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ, + pub get_shutdown_scriptpubkey: extern "C" fn (this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript, /// 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, } - -use lightning::chain::keysinterface::KeysInterface as rustKeysInterface; -impl rustKeysInterface for KeysInterface { - type Signer = crate::lightning::chain::keysinterface::Sign; - fn get_node_secret(&self) -> bitcoin::secp256k1::key::SecretKey { - let mut ret = (self.get_node_secret)(self.this_arg); - ret.into_rust() - } - fn get_destination_script(&self) -> bitcoin::blockdata::script::Script { - let mut ret = (self.get_destination_script)(self.this_arg); - ::bitcoin::blockdata::script::Script::from(ret.into_rust()) +unsafe impl Send for SignerProvider {} +unsafe impl Sync for SignerProvider {} +#[no_mangle] +pub(crate) extern "C" 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), } - fn get_shutdown_pubkey(&self) -> bitcoin::secp256k1::key::PublicKey { - let mut ret = (self.get_shutdown_pubkey)(self.this_arg); - ret.into_rust() +} + +use lightning::chain::keysinterface::SignerProvider as rustSignerProvider; +impl rustSignerProvider for SignerProvider { + type Signer = crate::lightning::chain::keysinterface::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 get_channel_signer(&self, mut inbound: bool, mut channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign { - let mut ret = (self.get_channel_signer)(self.this_arg, inbound, channel_value_satoshis); + fn derive_channel_signer(&self, mut channel_value_satoshis: u64, mut channel_keys_id: [u8; 32]) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner { + let mut ret = (self.derive_channel_signer)(self.this_arg, channel_value_satoshis, crate::c_types::ThirtyTwoBytes { data: channel_keys_id }); ret } - fn get_secure_random_bytes(&self) -> [u8; 32] { - let mut ret = (self.get_secure_random_bytes)(self.this_arg); - ret.data - } - fn read_chan_signer(&self, mut reader: &[u8]) -> Result { + 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((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).take_inner()) } })}; + 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 sign_invoice(&self, mut invoice_preimage: Vec) -> Result { - let mut local_invoice_preimage = Vec::new(); for mut item in invoice_preimage.drain(..) { local_invoice_preimage.push( { item }); }; - let mut ret = (self.sign_invoice)(self.this_arg, local_invoice_preimage.into()); - 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 get_destination_script(&self) -> bitcoin::blockdata::script::Script { + let mut ret = (self.get_destination_script)(self.this_arg); + ::bitcoin::blockdata::script::Script::from(ret.into_rust()) + } + fn get_shutdown_scriptpubkey(&self) -> lightning::ln::script::ShutdownScript { + let mut ret = (self.get_shutdown_scriptpubkey)(self.this_arg); + *unsafe { Box::from_raw(ret.take_inner()) } } } // 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 std::ops::Deref for KeysInterface { +impl core::ops::Deref for SignerProvider { type Target = Self; fn deref(&self) -> &Self { self @@ -901,8 +1447,8 @@ impl std::ops::Deref for KeysInterface { } /// Calls the free function if one is set #[no_mangle] -pub extern "C" fn KeysInterface_free(this_ptr: KeysInterface) { } -impl Drop for KeysInterface { +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); @@ -911,9 +1457,9 @@ impl Drop for KeysInterface { } use lightning::chain::keysinterface::InMemorySigner as nativeInMemorySignerImport; -type nativeInMemorySigner = nativeInMemorySignerImport; +pub(crate) type nativeInMemorySigner = nativeInMemorySignerImport; -/// A simple implementation of Sign that just keeps the private keys in memory. +/// 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. @@ -935,7 +1481,7 @@ pub struct InMemorySigner { impl Drop for InMemorySigner { fn drop(&mut self) { if self.is_owned && !<*mut nativeInMemorySigner>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -944,90 +1490,98 @@ impl Drop for InMemorySigner { 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 -extern "C" fn InMemorySigner_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeInMemorySigner); } +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)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy 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 = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } -/// Private key of anchor tx +/// 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 unsafe { &mut *this_ptr.inner }.funding_key; + let mut inner_val = &mut this_ptr.get_native_mut_ref().funding_key; inner_val.as_ref() } -/// Private key of anchor tx +/// 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 *this_ptr.inner }.funding_key = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_key = val.into_rust(); } -/// Holder secret key for blinded revocation pubkey +/// 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 unsafe { &mut *this_ptr.inner }.revocation_base_key; + 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 +/// 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 *this_ptr.inner }.revocation_base_key = val.into_rust(); + 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 +/// 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 unsafe { &mut *this_ptr.inner }.payment_key; + 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 +/// 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 *this_ptr.inner }.payment_key = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.payment_key = val.into_rust(); } -/// Holder secret key used in HTLC tx +/// 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 unsafe { &mut *this_ptr.inner }.delayed_payment_base_key; + let mut inner_val = &mut this_ptr.get_native_mut_ref().delayed_payment_base_key; inner_val.as_ref() } -/// Holder secret key used in HTLC tx +/// 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 *this_ptr.inner }.delayed_payment_base_key = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.delayed_payment_base_key = val.into_rust(); } -/// Holder htlc secret key used in commitment tx htlc outputs +/// 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 unsafe { &mut *this_ptr.inner }.htlc_base_key; + 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 tx htlc outputs +/// 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 *this_ptr.inner }.htlc_base_key = val.into_rust(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc_base_key = val.into_rust(); } -/// Commitment seed +/// Commitment seed. #[no_mangle] pub extern "C" fn InMemorySigner_get_commitment_seed(this_ptr: &InMemorySigner) -> *const [u8; 32] { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.commitment_seed; + let mut inner_val = &mut this_ptr.get_native_mut_ref().commitment_seed; inner_val } -/// Commitment seed +/// Commitment seed. #[no_mangle] pub extern "C" fn InMemorySigner_set_commitment_seed(this_ptr: &mut InMemorySigner, mut val: crate::c_types::ThirtyTwoBytes) { - unsafe { &mut *this_ptr.inner }.commitment_seed = val.data; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.commitment_seed = val.data; } impl Clone for InMemorySigner { fn clone(&self) -> Self { Self { - inner: if <*mut nativeInMemorySigner>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + 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, } } @@ -1042,266 +1596,337 @@ pub(crate) extern "C" fn InMemorySigner_clone_void(this_ptr: *const c_void) -> * pub extern "C" fn InMemorySigner_clone(orig: &InMemorySigner) -> InMemorySigner { orig.clone() } -/// Create a new InMemorySigner +/// 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) -> crate::lightning::chain::keysinterface::InMemorySigner { - let mut ret = lightning::chain::keysinterface::InMemorySigner::new(secp256k1::SECP256K1, funding_key.into_rust(), revocation_base_key.into_rust(), payment_key.into_rust(), delayed_payment_base_key.into_rust(), htlc_base_key.into_rust(), commitment_seed.data, channel_value_satoshis, channel_keys_id.data); - crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(ret)), is_owned: true } + let mut ret = lightning::chain::keysinterface::InMemorySigner::new(secp256k1::global::SECP256K1, funding_key.into_rust(), revocation_base_key.into_rust(), payment_key.into_rust(), delayed_payment_base_key.into_rust(), htlc_base_key.into_rust(), commitment_seed.data, channel_value_satoshis, channel_keys_id.data); + crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true } } -/// Counterparty pubkeys. -/// Will panic if ready_channel wasn't called. +/// Returns the counterparty's pubkeys. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_counterparty_pubkeys(this_arg: &InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelPublicKeys { - let mut ret = unsafe { &*this_arg.inner }.counterparty_pubkeys(); - crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn InMemorySigner_counterparty_pubkeys(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelPublicKeys { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_pubkeys(); + 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 } } -/// The contest_delay value specified by our counterparty and applied on holder-broadcastable -/// transactions, ie the amount of time that we have to wait to recover our funds if we +/// 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 panic if ready_channel wasn't called. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_counterparty_selected_contest_delay(this_arg: &InMemorySigner) -> u16 { - let mut ret = unsafe { &*this_arg.inner }.counterparty_selected_contest_delay(); +pub extern "C" fn InMemorySigner_counterparty_selected_contest_delay(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> u16 { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.counterparty_selected_contest_delay(); ret } -/// The contest_delay value specified by us and applied on transactions broadcastable -/// by our counterparty, ie the amount of time that they have to wait to recover their funds +/// 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 panic if ready_channel wasn't called. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_holder_selected_contest_delay(this_arg: &InMemorySigner) -> u16 { - let mut ret = unsafe { &*this_arg.inner }.holder_selected_contest_delay(); +pub extern "C" fn InMemorySigner_holder_selected_contest_delay(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> u16 { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.holder_selected_contest_delay(); ret } -/// Whether the holder is the initiator -/// Will panic if ready_channel wasn't called. +/// Returns whether the holder is the initiator. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_is_outbound(this_arg: &InMemorySigner) -> bool { - let mut ret = unsafe { &*this_arg.inner }.is_outbound(); +pub extern "C" fn InMemorySigner_is_outbound(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> bool { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.is_outbound(); ret } /// Funding outpoint -/// Will panic if ready_channel wasn't called. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_funding_outpoint(this_arg: &InMemorySigner) -> crate::lightning::chain::transaction::OutPoint { - let mut ret = unsafe { &*this_arg.inner }.funding_outpoint(); - crate::lightning::chain::transaction::OutPoint { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn InMemorySigner_funding_outpoint(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::chain::transaction::OutPoint { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.funding_outpoint(); + crate::lightning::chain::transaction::OutPoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::chain::transaction::OutPoint<>) as *mut _) }, is_owned: false } } -/// Obtain a ChannelTransactionParameters for this channel, to be used when verifying or +/// Returns a [`ChannelTransactionParameters`] for this channel, to be used when verifying or /// building transactions. /// -/// Will panic if ready_channel wasn't called. +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemorySigner_get_channel_parameters(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_channel_parameters(); + crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::ChannelTransactionParameters<>) as *mut _) }, is_owned: false } +} + +/// Returns whether anchors should be used. +/// +/// Will panic if [`ChannelSigner::provide_channel_parameters`] has not been called before. #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_get_channel_parameters(this_arg: &InMemorySigner) -> crate::lightning::ln::chan_utils::ChannelTransactionParameters { - let mut ret = unsafe { &*this_arg.inner }.get_channel_parameters(); - crate::lightning::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn InMemorySigner_opt_anchors(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner) -> bool { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors(); + 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. +/// 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. /// -/// Returns an Err if the input at input_idx does not exist, has a non-empty script_sig, -/// or is not spending the outpoint described by `descriptor.outpoint`. +/// [`descriptor.outpoint`]: StaticPaymentOutputDescriptor::outpoint #[must_use] #[no_mangle] -pub extern "C" fn InMemorySigner_sign_counterparty_payment_input(this_arg: &InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ { - let mut ret = unsafe { &*this_arg.inner }.sign_counterparty_payment_input(&spend_tx.into_bitcoin(), input_idx, unsafe { &*descriptor.inner }, secp256k1::SECP256K1); +pub extern "C" fn InMemorySigner_sign_counterparty_payment_input(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ { + 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( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { let mut local_ret_0_0 = Vec::new(); for mut item in item.drain(..) { local_ret_0_0.push( { item }); }; local_ret_0_0.into() }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; 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. +/// 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 Err 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 does not have a -/// sequence set to `descriptor.to_self_delay`. +/// 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: &InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ { - let mut ret = unsafe { &*this_arg.inner }.sign_dynamic_p2wsh_input(&spend_tx.into_bitcoin(), input_idx, unsafe { &*descriptor.inner }, secp256k1::SECP256K1); +pub extern "C" fn InMemorySigner_sign_dynamic_p2wsh_input(this_arg: &crate::lightning::chain::keysinterface::InMemorySigner, mut spend_tx: crate::c_types::Transaction, mut input_idx: usize, descriptor: &crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor) -> crate::c_types::derived::CResult_CVec_CVec_u8ZZNoneZ { + 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( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { let mut local_ret_0_0 = Vec::new(); for mut item in item.drain(..) { local_ret_0_0.push( { item }); }; local_ret_0_0.into() }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } -impl From for crate::lightning::chain::keysinterface::BaseSign { +impl From for crate::lightning::chain::keysinterface::ChannelSigner { fn from(obj: nativeInMemorySigner) -> Self { - let mut rust_obj = InMemorySigner { inner: Box::into_raw(Box::new(obj)), is_owned: true }; - let mut ret = InMemorySigner_as_BaseSign(&rust_obj); + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(InMemorySigner_free_void); ret } } -/// Constructs a new BaseSign which calls the relevant methods on this_arg. -/// This copies the `inner` pointer in this_arg and thus the returned BaseSign must be freed before this_arg is +/// 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_BaseSign(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::BaseSign { - crate::lightning::chain::keysinterface::BaseSign { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, +pub extern "C" fn InMemorySigner_as_ChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::ChannelSigner { + crate::lightning::chain::keysinterface::ChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, - get_per_commitment_point: InMemorySigner_BaseSign_get_per_commitment_point, - release_commitment_secret: InMemorySigner_BaseSign_release_commitment_secret, + 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, - pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }, - set_pubkeys: Some(InMemorySigner_BaseSign_set_pubkeys), - channel_keys_id: InMemorySigner_BaseSign_channel_keys_id, - sign_counterparty_commitment: InMemorySigner_BaseSign_sign_counterparty_commitment, - sign_holder_commitment_and_htlcs: InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs, - sign_justice_transaction: InMemorySigner_BaseSign_sign_justice_transaction, - sign_counterparty_htlc_transaction: InMemorySigner_BaseSign_sign_counterparty_htlc_transaction, - sign_closing_transaction: InMemorySigner_BaseSign_sign_closing_transaction, - sign_channel_announcement: InMemorySigner_BaseSign_sign_channel_announcement, - ready_channel: InMemorySigner_BaseSign_ready_channel, + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }, + 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_BaseSign_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::SECP256K1); +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_BaseSign_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); +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_BaseSign_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 { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +extern "C" fn InMemorySigner_ChannelSigner_validate_holder_commitment(this_arg: *const c_void, holder_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction, mut preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_NoneNoneZ { + let mut local_preimages = Vec::new(); for mut item in preimages.into_rust().drain(..) { local_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_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 } -extern "C" fn InMemorySigner_BaseSign_set_pubkeys(trait_self_arg: &BaseSign) { +#[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 trait_self_arg.pubkeys.inner.is_null() { - unsafe { &mut *(trait_self_arg as *const BaseSign as *mut BaseSign) }.pubkeys = InMemorySigner_BaseSign_pubkeys(trait_self_arg.this_arg); + unsafe { &mut *(trait_self_arg as *const ChannelSigner as *mut ChannelSigner) }.pubkeys = InMemorySigner_ChannelSigner_pubkeys(trait_self_arg.this_arg); } } #[must_use] -extern "C" fn InMemorySigner_BaseSign_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) }, ); +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::chain::keysinterface::EcdsaChannelSigner { + fn from(obj: nativeInMemorySigner) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::EcdsaChannelSigner { + crate::lightning::chain::keysinterface::EcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, + free: None, + sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment, + validate_counterparty_revocation: InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation, + sign_holder_commitment_and_htlcs: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment_and_htlcs, + sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output, + sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc, + 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::chain::keysinterface::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, + + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }, + 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_BaseSign_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { - let mut ret = >::sign_counterparty_commitment(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*commitment_tx.inner }, secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, mut preimages: crate::c_types::derived::CVec_PaymentPreimageZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { + let mut local_preimages = Vec::new(); for mut item in preimages.into_rust().drain(..) { local_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_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::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } #[must_use] -extern "C" fn InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { - let mut ret = >::sign_holder_commitment_and_htlcs(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*commitment_tx.inner }, secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation(this_arg: *const c_void, mut idx: u64, secret: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneNoneZ { + 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_EcdsaChannelSigner_sign_holder_commitment_and_htlcs(this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { + let mut ret = >::sign_holder_commitment_and_htlcs(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( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } #[must_use] -extern "C" fn InMemorySigner_BaseSign_sign_justice_transaction(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { - let mut local_htlc = if htlc.inner.is_null() { None } else { Some((* { unsafe { &*htlc.inner } }).clone()) }; - let mut ret = >::sign_justice_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), &local_htlc, secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32]) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::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_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } #[must_use] -extern "C" fn InMemorySigner_BaseSign_sign_counterparty_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { - 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(), unsafe { &*htlc.inner }, secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_counterparty_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } #[must_use] -extern "C" fn InMemorySigner_BaseSign_sign_closing_transaction(this_arg: *const c_void, mut closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ { - let mut ret = >::sign_closing_transaction(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, &closing_tx.into_bitcoin(), secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_closing_transaction(this_arg: *const c_void, closing_tx: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } #[must_use] -extern "C" fn InMemorySigner_BaseSign_sign_channel_announcement(this_arg: *const c_void, msg: &crate::lightning::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ { - let mut ret = >::sign_channel_announcement(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*msg.inner }, secp256k1::SECP256K1); +extern "C" fn InMemorySigner_EcdsaChannelSigner_sign_holder_anchor_input(this_arg: *const c_void, mut anchor_tx: crate::c_types::Transaction, mut input: usize) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; local_ret } -extern "C" fn InMemorySigner_BaseSign_ready_channel(this_arg: *mut c_void, channel_parameters: &crate::lightning::ln::chan_utils::ChannelTransactionParameters) { - >::ready_channel(unsafe { &mut *(this_arg as *mut nativeInMemorySigner) }, unsafe { &*channel_parameters.inner }) +#[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_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret } -impl From for crate::lightning::chain::keysinterface::Sign { +impl From for crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner { fn from(obj: nativeInMemorySigner) -> Self { - let mut rust_obj = InMemorySigner { inner: Box::into_raw(Box::new(obj)), is_owned: true }; - let mut ret = InMemorySigner_as_Sign(&rust_obj); + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(InMemorySigner_free_void); ret } } -/// Constructs a new Sign which calls the relevant methods on this_arg. -/// This copies the `inner` pointer in this_arg and thus the returned Sign must be freed before this_arg is +/// 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_Sign(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::Sign { - crate::lightning::chain::keysinterface::Sign { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, +pub extern "C" fn InMemorySigner_as_WriteableEcdsaChannelSigner(this_arg: &InMemorySigner) -> crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner { + crate::lightning::chain::keysinterface::WriteableEcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, - BaseSign: crate::lightning::chain::keysinterface::BaseSign { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + EcdsaChannelSigner: crate::lightning::chain::keysinterface::EcdsaChannelSigner { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, - get_per_commitment_point: InMemorySigner_BaseSign_get_per_commitment_point, - release_commitment_secret: InMemorySigner_BaseSign_release_commitment_secret, - - pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }, - set_pubkeys: Some(InMemorySigner_BaseSign_set_pubkeys), - channel_keys_id: InMemorySigner_BaseSign_channel_keys_id, - sign_counterparty_commitment: InMemorySigner_BaseSign_sign_counterparty_commitment, - sign_holder_commitment_and_htlcs: InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs, - sign_justice_transaction: InMemorySigner_BaseSign_sign_justice_transaction, - sign_counterparty_htlc_transaction: InMemorySigner_BaseSign_sign_counterparty_htlc_transaction, - sign_closing_transaction: InMemorySigner_BaseSign_sign_closing_transaction, - sign_channel_announcement: InMemorySigner_BaseSign_sign_channel_announcement, - ready_channel: InMemorySigner_BaseSign_ready_channel, + sign_counterparty_commitment: InMemorySigner_EcdsaChannelSigner_sign_counterparty_commitment, + validate_counterparty_revocation: InMemorySigner_EcdsaChannelSigner_validate_counterparty_revocation, + sign_holder_commitment_and_htlcs: InMemorySigner_EcdsaChannelSigner_sign_holder_commitment_and_htlcs, + sign_justice_revoked_output: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_output, + sign_justice_revoked_htlc: InMemorySigner_EcdsaChannelSigner_sign_justice_revoked_htlc, + 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::chain::keysinterface::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, + + pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: core::ptr::null_mut(), is_owned: true }, + set_pubkeys: Some(InMemorySigner_ChannelSigner_set_pubkeys), + channel_keys_id: InMemorySigner_ChannelSigner_channel_keys_id, + provide_channel_parameters: InMemorySigner_ChannelSigner_provide_channel_parameters, + }, }, - BaseSign_clone: InMemorySigner_BaseSign_clone, write: InMemorySigner_write_void, - clone: Some(InMemorySigner_clone_void), } } -extern "C" fn InMemorySigner_BaseSign_clone(orig: &crate::lightning::chain::keysinterface::BaseSign) -> crate::lightning::chain::keysinterface::BaseSign { - crate::lightning::chain::keysinterface::BaseSign { - this_arg: orig.this_arg, - free: None, - get_per_commitment_point: InMemorySigner_BaseSign_get_per_commitment_point, - release_commitment_secret: InMemorySigner_BaseSign_release_commitment_secret, - - pubkeys: crate::lightning::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }, - set_pubkeys: Some(InMemorySigner_BaseSign_set_pubkeys), - channel_keys_id: InMemorySigner_BaseSign_channel_keys_id, - sign_counterparty_commitment: InMemorySigner_BaseSign_sign_counterparty_commitment, - sign_holder_commitment_and_htlcs: InMemorySigner_BaseSign_sign_holder_commitment_and_htlcs, - sign_justice_transaction: InMemorySigner_BaseSign_sign_justice_transaction, - sign_counterparty_htlc_transaction: InMemorySigner_BaseSign_sign_counterparty_htlc_transaction, - sign_closing_transaction: InMemorySigner_BaseSign_sign_closing_transaction, - sign_channel_announcement: InMemorySigner_BaseSign_sign_channel_announcement, - ready_channel: InMemorySigner_BaseSign_ready_channel, - } -} #[no_mangle] /// Serialize the InMemorySigner object into a byte array which can be read by InMemorySigner_read -pub extern "C" fn InMemorySigner_write(obj: &InMemorySigner) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner }) +pub extern "C" fn InMemorySigner_write(obj: &crate::lightning::chain::keysinterface::InMemorySigner) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) } #[no_mangle] pub(crate) extern "C" fn InMemorySigner_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { @@ -1310,21 +1935,27 @@ pub(crate) extern "C" fn InMemorySigner_write_void(obj: *const c_void) -> crate: #[no_mangle] /// Read a InMemorySigner from a byte array, created by InMemorySigner_write pub extern "C" fn InMemorySigner_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_InMemorySignerDecodeErrorZ { - let res = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(o)), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; + 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::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; local_res } use lightning::chain::keysinterface::KeysManager as nativeKeysManagerImport; -type nativeKeysManager = nativeKeysManagerImport; +pub(crate) type nativeKeysManager = nativeKeysManagerImport; -/// Simple KeysInterface implementor that takes a 32-byte seed for use as a BIP 32 extended key -/// and derives keys from that. +/// 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' -/// ChannelMonitor closes may use seed/1' -/// Cooperative closes may use seed/2' +/// 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 { @@ -1343,7 +1974,7 @@ pub struct KeysManager { impl Drop for KeysManager { fn drop(&mut self) { if self.is_owned && !<*mut nativeKeysManager>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -1352,141 +1983,475 @@ impl Drop for KeysManager { 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 -extern "C" fn KeysManager_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeKeysManager); } +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)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy 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 = self.inner; - self.inner = std::ptr::null_mut(); + 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 (eg 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, +/// 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). +/// `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 +/// 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`] data, though a current copy of [`ChannelMonitor`] data is also required +/// for any channel, and some on-chain during-closing funds. /// -/// Note that until the 0.1 release there is no guarantee of backward compatibility between -/// versions. Once the library is more fully supported, the docs will be updated to include a -/// detailed description of the guarantee. +/// [`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) -> KeysManager { +pub extern "C" fn KeysManager_new(seed: *const [u8; 32], mut starting_time_secs: u64, mut starting_time_nanos: u32) -> crate::lightning::chain::keysinterface::KeysManager { let mut ret = lightning::chain::keysinterface::KeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos); - KeysManager { inner: Box::into_raw(Box::new(ret)), is_owned: true } + crate::lightning::chain::keysinterface::KeysManager { inner: ObjOps::heap_alloc(ret), is_owned: true } } -/// Derive an old Sign containing per-channel secrets based on a key derivation parameters. -/// -/// Key derivation parameters are accessible through a per-channel secrets -/// Sign::channel_keys_id and is provided inside DynamicOuputP2WSH in case of -/// onchain output detection for which a corresponding delayed_payment_key must be derived. +/// 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::chain::keysinterface::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: &KeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner { - let mut ret = unsafe { &*this_arg.inner }.derive_channel_keys(channel_value_satoshis, unsafe { &*params}); - crate::lightning::chain::keysinterface::InMemorySigner { inner: Box::into_raw(Box::new(ret)), is_owned: true } +pub extern "C" fn KeysManager_derive_channel_keys(this_arg: &crate::lightning::chain::keysinterface::KeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params}); + crate::lightning::chain::keysinterface::InMemorySigner { inner: ObjOps::heap_alloc(ret), is_owned: true } } -/// Creates a Transaction which spends the given descriptors to the given outputs, plus an +/// 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. /// -/// Returns `Err(())` if the output value is greater than the input value minus required fee or -/// if a descriptor was duplicated. +/// 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. +/// 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: &KeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32) -> crate::c_types::derived::CResult_TransactionNoneZ { +pub extern "C" fn KeysManager_spend_spendable_outputs(this_arg: &crate::lightning::chain::keysinterface::KeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32) -> crate::c_types::derived::CResult_TransactionNoneZ { 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 ret = unsafe { &*this_arg.inner }.spend_spendable_outputs(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::Script::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, secp256k1::SECP256K1); + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::Script::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, 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::chain::keysinterface::KeysInterface { +impl From for crate::lightning::chain::keysinterface::EntropySource { fn from(obj: nativeKeysManager) -> Self { - let mut rust_obj = KeysManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; - let mut ret = KeysManager_as_KeysInterface(&rust_obj); + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(KeysManager_free_void); ret } } -/// Constructs a new KeysInterface which calls the relevant methods on this_arg. -/// This copies the `inner` pointer in this_arg and thus the returned KeysInterface must be freed before this_arg is +/// 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_KeysInterface(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::KeysInterface { - crate::lightning::chain::keysinterface::KeysInterface { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, +pub extern "C" fn KeysManager_as_EntropySource(this_arg: &KeysManager) -> crate::lightning::chain::keysinterface::EntropySource { + crate::lightning::chain::keysinterface::EntropySource { + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, - get_node_secret: KeysManager_KeysInterface_get_node_secret, - get_destination_script: KeysManager_KeysInterface_get_destination_script, - get_shutdown_pubkey: KeysManager_KeysInterface_get_shutdown_pubkey, - get_channel_signer: KeysManager_KeysInterface_get_channel_signer, - get_secure_random_bytes: KeysManager_KeysInterface_get_secure_random_bytes, - read_chan_signer: KeysManager_KeysInterface_read_chan_signer, - sign_invoice: KeysManager_KeysInterface_sign_invoice, + get_secure_random_bytes: KeysManager_EntropySource_get_secure_random_bytes, } } #[must_use] -extern "C" fn KeysManager_KeysInterface_get_node_secret(this_arg: *const c_void) -> crate::c_types::SecretKey { - let mut ret = >::get_node_secret(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); - crate::c_types::SecretKey::from_rust(ret) +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::chain::keysinterface::NodeSigner { + fn from(obj: nativeKeysManager) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::NodeSigner { + crate::lightning::chain::keysinterface::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_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::chain::keysinterface::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::chain::keysinterface::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ { + 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::chain::keysinterface::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_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::chain::keysinterface::SignerProvider { + fn from(obj: nativeKeysManager) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::SignerProvider { + crate::lightning::chain::keysinterface::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::chain::keysinterface::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_KeysInterface_get_destination_script(this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z { - let mut ret = >::get_destination_script(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); +extern "C" fn KeysManager_SignerProvider_get_destination_script(this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z { + let mut ret = >::get_destination_script(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); ret.into_bytes().into() } #[must_use] -extern "C" fn KeysManager_KeysInterface_get_shutdown_pubkey(this_arg: *const c_void) -> crate::c_types::PublicKey { - let mut ret = >::get_shutdown_pubkey(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); - crate::c_types::PublicKey::from_rust(&ret) +extern "C" fn KeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript { + let mut ret = >::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, ); + crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } } + + +use lightning::chain::keysinterface::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] -extern "C" fn KeysManager_KeysInterface_get_channel_signer(this_arg: *const c_void, mut _inbound: bool, mut channel_value_satoshis: u64) -> crate::lightning::chain::keysinterface::Sign { - let mut ret = >::get_channel_signer(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, _inbound, channel_value_satoshis); - ret.into() +#[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::chain::keysinterface::EntropySource { + fn from(obj: nativePhantomKeysManager) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::EntropySource { + crate::lightning::chain::keysinterface::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 KeysManager_KeysInterface_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) }, ); +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::chain::keysinterface::NodeSigner { + fn from(obj: nativePhantomKeysManager) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::NodeSigner { + crate::lightning::chain::keysinterface::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_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 KeysManager_KeysInterface_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SignDecodeErrorZ { - 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( { o.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; +extern "C" fn PhantomKeysManager_NodeSigner_get_node_id(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient) -> crate::c_types::derived::CResult_PublicKeyNoneZ { + 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 KeysManager_KeysInterface_sign_invoice(this_arg: *const c_void, mut invoice_preimage: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_RecoverableSignatureNoneZ { - let mut local_invoice_preimage = Vec::new(); for mut item in invoice_preimage.into_rust().drain(..) { local_invoice_preimage.push( { item }); }; - let mut ret = >::sign_invoice(unsafe { &mut *(this_arg as *mut nativeKeysManager) }, local_invoice_preimage); +extern "C" fn PhantomKeysManager_NodeSigner_ecdh(this_arg: *const c_void, mut recipient: crate::lightning::chain::keysinterface::Recipient, mut other_key: crate::c_types::PublicKey, mut tweak: crate::c_types::derived::COption_ScalarZ) -> crate::c_types::derived::CResult_SharedSecretNoneZ { + 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::chain::keysinterface::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_gossip_message(this_arg: *const c_void, mut msg: crate::lightning::ln::msgs::UnsignedGossipMessage) -> crate::c_types::derived::CResult_SignatureNoneZ { + 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::Signature::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +impl From for crate::lightning::chain::keysinterface::SignerProvider { + fn from(obj: nativePhantomKeysManager) -> Self { + let mut rust_obj = 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 wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = core::ptr::null_mut(); + 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::chain::keysinterface::SignerProvider { + crate::lightning::chain::keysinterface::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::chain::keysinterface::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) -> crate::c_types::derived::CVec_u8Z { + let mut ret = >::get_destination_script(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, ); + ret.into_bytes().into() +} +#[must_use] +extern "C" fn PhantomKeysManager_SignerProvider_get_shutdown_scriptpubkey(this_arg: *const c_void) -> crate::lightning::ln::script::ShutdownScript { + let mut ret = >::get_shutdown_scriptpubkey(unsafe { &mut *(this_arg as *mut nativePhantomKeysManager) }, ); + crate::lightning::ln::script::ShutdownScript { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// 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::chain::keysinterface::PhantomKeysManager { + let mut ret = lightning::chain::keysinterface::PhantomKeysManager::new(unsafe { &*seed}, starting_time_secs, starting_time_nanos, unsafe { &*cross_node_seed}); + crate::lightning::chain::keysinterface::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::chain::keysinterface::PhantomKeysManager, mut descriptors: crate::c_types::derived::CVec_SpendableOutputDescriptorZ, mut outputs: crate::c_types::derived::CVec_TxOutZ, mut change_destination_script: crate::c_types::derived::CVec_u8Z, mut feerate_sat_per_1000_weight: u32) -> crate::c_types::derived::CResult_TransactionNoneZ { + 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 ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.spend_spendable_outputs(&local_descriptors.iter().collect::>()[..], local_outputs, ::bitcoin::blockdata::script::Script::from(change_destination_script.into_rust()), feerate_sat_per_1000_weight, 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::chain::keysinterface::PhantomKeysManager, mut channel_value_satoshis: u64, params: *const [u8; 32]) -> crate::lightning::chain::keysinterface::InMemorySigner { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.derive_channel_keys(channel_value_satoshis, unsafe { &*params}); + crate::lightning::chain::keysinterface::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::chain::keysinterface::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::chain::keysinterface::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) +}