///
/// These keys are assumed to be good, either because the code derived them from
/// channel basepoints via the new function, or they were obtained via
-/// PreCalculatedTxCreationKeys.trust_key_derivation because we trusted the source of the
+/// CommitmentTransaction.trust().keys() because we trusted the source of the
/// pre-calculated keys.
#[must_use]
#[repr(C)]
#[allow(unused)]
/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
impl TxCreationKeys {
- pub(crate) fn take_ptr(mut self) -> *mut nativeTxCreationKeys {
+ pub(crate) fn take_inner(mut self) -> *mut nativeTxCreationKeys {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
pub(crate) extern "C" fn TxCreationKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeTxCreationKeys)).clone() })) as *mut c_void
}
+#[no_mangle]
+pub extern "C" fn TxCreationKeys_clone(orig: &TxCreationKeys) -> TxCreationKeys {
+ TxCreationKeys { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
/// The broadcaster's per-commitment public key which was used to derive the other keys.
#[no_mangle]
pub extern "C" fn TxCreationKeys_get_per_commitment_point(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
}
#[no_mangle]
+pub(crate) extern "C" fn TxCreationKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeTxCreationKeys) })
+}
+#[no_mangle]
pub extern "C" fn TxCreationKeys_read(ser: crate::c_types::u8slice) -> TxCreationKeys {
if let Ok(res) = crate::c_types::deserialize_obj(ser) {
TxCreationKeys { inner: Box::into_raw(Box::new(res)), is_owned: true }
}
}
-use lightning::ln::chan_utils::PreCalculatedTxCreationKeys as nativePreCalculatedTxCreationKeysImport;
-type nativePreCalculatedTxCreationKeys = nativePreCalculatedTxCreationKeysImport;
-
-/// The per-commitment point and a set of pre-calculated public keys used for transaction creation
-/// in the signer.
-/// The pre-calculated keys are an optimization, because ChannelKeys has enough
-/// information to re-derive them.
-#[must_use]
-#[repr(C)]
-pub struct PreCalculatedTxCreationKeys {
- /// 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 nativePreCalculatedTxCreationKeys,
- pub is_owned: bool,
-}
-
-impl Drop for PreCalculatedTxCreationKeys {
- fn drop(&mut self) {
- if self.is_owned && !self.inner.is_null() {
- let _ = unsafe { Box::from_raw(self.inner) };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn PreCalculatedTxCreationKeys_free(this_ptr: PreCalculatedTxCreationKeys) { }
-#[allow(unused)]
-/// Used only if an object of this type is returned as a trait impl by a method
-extern "C" fn PreCalculatedTxCreationKeys_free_void(this_ptr: *mut c_void) {
- unsafe { let _ = Box::from_raw(this_ptr as *mut nativePreCalculatedTxCreationKeys); }
-}
-#[allow(unused)]
-/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
-impl PreCalculatedTxCreationKeys {
- pub(crate) fn take_ptr(mut self) -> *mut nativePreCalculatedTxCreationKeys {
- assert!(self.is_owned);
- let ret = self.inner;
- self.inner = std::ptr::null_mut();
- ret
- }
-}
-/// Create a new PreCalculatedTxCreationKeys from TxCreationKeys
-#[must_use]
-#[no_mangle]
-pub extern "C" fn PreCalculatedTxCreationKeys_new(mut keys: crate::ln::chan_utils::TxCreationKeys) -> PreCalculatedTxCreationKeys {
- let mut ret = lightning::ln::chan_utils::PreCalculatedTxCreationKeys::new(*unsafe { Box::from_raw(keys.take_ptr()) });
- PreCalculatedTxCreationKeys { inner: Box::into_raw(Box::new(ret)), is_owned: true }
-}
-
-/// The pre-calculated transaction creation public keys.
-/// An external validating signer should not trust these keys.
-#[must_use]
-#[no_mangle]
-pub extern "C" fn PreCalculatedTxCreationKeys_trust_key_derivation(this_arg: &PreCalculatedTxCreationKeys) -> crate::ln::chan_utils::TxCreationKeys {
- let mut ret = unsafe { &*this_arg.inner }.trust_key_derivation();
- crate::ln::chan_utils::TxCreationKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
-}
-
-/// The transaction per-commitment point
-#[must_use]
-#[no_mangle]
-pub extern "C" fn PreCalculatedTxCreationKeys_per_commitment_point(this_arg: &PreCalculatedTxCreationKeys) -> crate::c_types::PublicKey {
- let mut ret = unsafe { &*this_arg.inner }.per_commitment_point();
- crate::c_types::PublicKey::from_rust(&*ret)
-}
-
-
use lightning::ln::chan_utils::ChannelPublicKeys as nativeChannelPublicKeysImport;
type nativeChannelPublicKeys = nativeChannelPublicKeysImport;
#[allow(unused)]
/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
impl ChannelPublicKeys {
- pub(crate) fn take_ptr(mut self) -> *mut nativeChannelPublicKeys {
+ pub(crate) fn take_inner(mut self) -> *mut nativeChannelPublicKeys {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
pub(crate) extern "C" fn ChannelPublicKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelPublicKeys)).clone() })) as *mut c_void
}
+#[no_mangle]
+pub extern "C" fn ChannelPublicKeys_clone(orig: &ChannelPublicKeys) -> ChannelPublicKeys {
+ ChannelPublicKeys { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
/// The public key which is used to sign all commitment transactions, as it appears in the
/// on-chain channel lock-in 2-of-2 multisig output.
#[no_mangle]
crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
}
#[no_mangle]
+pub(crate) extern "C" fn ChannelPublicKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelPublicKeys) })
+}
+#[no_mangle]
pub extern "C" fn ChannelPublicKeys_read(ser: crate::c_types::u8slice) -> ChannelPublicKeys {
if let Ok(res) = crate::c_types::deserialize_obj(ser) {
ChannelPublicKeys { inner: Box::into_raw(Box::new(res)), is_owned: true }
ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }
}
}
-/// Create a new TxCreationKeys from channel base points and the per-commitment point
+/// Create per-state keys from channel base points and the per-commitment point.
+/// Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
#[must_use]
#[no_mangle]
pub extern "C" fn TxCreationKeys_derive_new(mut per_commitment_point: crate::c_types::PublicKey, mut broadcaster_delayed_payment_base: crate::c_types::PublicKey, mut broadcaster_htlc_base: crate::c_types::PublicKey, mut countersignatory_revocation_base: crate::c_types::PublicKey, mut countersignatory_htlc_base: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_TxCreationKeysSecpErrorZ {
local_ret
}
+/// Generate per-state keys from channel static keys.
+/// Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn TxCreationKeys_from_channel_static_keys(mut per_commitment_point: crate::c_types::PublicKey, broadcaster_keys: &crate::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CResult_TxCreationKeysSecpErrorZ {
+ let mut ret = lightning::ln::chan_utils::TxCreationKeys::from_channel_static_keys(&per_commitment_point.into_rust(), unsafe { &*broadcaster_keys.inner }, unsafe { &*countersignatory_keys.inner }, &bitcoin::secp256k1::Secp256k1::new());
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::ln::chan_utils::TxCreationKeys { inner: Box::into_raw(Box::new(o)), is_owned: true } }), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }) };
+ local_ret
+}
+
/// A script either spendable by the revocation
/// key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain.
/// Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions.
#[allow(unused)]
/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
impl HTLCOutputInCommitment {
- pub(crate) fn take_ptr(mut self) -> *mut nativeHTLCOutputInCommitment {
+ pub(crate) fn take_inner(mut self) -> *mut nativeHTLCOutputInCommitment {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
pub(crate) extern "C" fn HTLCOutputInCommitment_clone_void(this_ptr: *const c_void) -> *mut c_void {
Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHTLCOutputInCommitment)).clone() })) as *mut c_void
}
+#[no_mangle]
+pub extern "C" fn HTLCOutputInCommitment_clone(orig: &HTLCOutputInCommitment) -> HTLCOutputInCommitment {
+ HTLCOutputInCommitment { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
/// Whether the HTLC was \"offered\" (ie outbound in relation to this commitment transaction).
/// Note that this is not the same as whether it is ountbound *from us*. To determine that you
/// need to compare this value to whether the commitment transaction in question is that of
crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
}
#[no_mangle]
+pub(crate) extern "C" fn HTLCOutputInCommitment_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHTLCOutputInCommitment) })
+}
+#[no_mangle]
pub extern "C" fn HTLCOutputInCommitment_read(ser: crate::c_types::u8slice) -> HTLCOutputInCommitment {
if let Ok(res) = crate::c_types::deserialize_obj(ser) {
HTLCOutputInCommitment { inner: Box::into_raw(Box::new(res)), is_owned: true }
}
+use lightning::ln::chan_utils::ChannelTransactionParameters as nativeChannelTransactionParametersImport;
+type nativeChannelTransactionParameters = nativeChannelTransactionParametersImport;
+
+/// Per-channel data used to build transactions in conjunction with the per-commitment data (CommitmentTransaction).
+/// The fields are organized by holder/counterparty.
+///
+/// Normally, this is converted to the broadcaster/countersignatory-organized DirectedChannelTransactionParameters
+/// before use, via the as_holder_broadcastable and as_counterparty_broadcastable functions.
+#[must_use]
+#[repr(C)]
+pub struct ChannelTransactionParameters {
+ /// 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 nativeChannelTransactionParameters,
+ pub is_owned: bool,
+}
+
+impl Drop for ChannelTransactionParameters {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_free(this_ptr: ChannelTransactionParameters) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn ChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelTransactionParameters); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl ChannelTransactionParameters {
+ pub(crate) fn take_inner(mut self) -> *mut nativeChannelTransactionParameters {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+impl Clone for ChannelTransactionParameters {
+ fn clone(&self) -> Self {
+ Self {
+ inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn ChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelTransactionParameters)).clone() })) as *mut c_void
+}
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_clone(orig: &ChannelTransactionParameters) -> ChannelTransactionParameters {
+ ChannelTransactionParameters { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
+/// Holder public keys
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_get_holder_pubkeys(this_ptr: &ChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.holder_pubkeys;
+ crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&((*inner_val)) as *const _) as *mut _) }, is_owned: false }
+}
+/// Holder public keys
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_set_holder_pubkeys(this_ptr: &mut ChannelTransactionParameters, mut val: crate::ln::chan_utils::ChannelPublicKeys) {
+ unsafe { &mut *this_ptr.inner }.holder_pubkeys = *unsafe { Box::from_raw(val.take_inner()) };
+}
+/// The contest delay selected by the holder, which applies to counterparty-broadcast transactions
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_get_holder_selected_contest_delay(this_ptr: &ChannelTransactionParameters) -> u16 {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.holder_selected_contest_delay;
+ (*inner_val)
+}
+/// The contest delay selected by the holder, which applies to counterparty-broadcast transactions
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_set_holder_selected_contest_delay(this_ptr: &mut ChannelTransactionParameters, mut val: u16) {
+ unsafe { &mut *this_ptr.inner }.holder_selected_contest_delay = val;
+}
+/// Whether the holder is the initiator of this channel.
+/// This is an input to the commitment number obscure factor computation.
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_get_is_outbound_from_holder(this_ptr: &ChannelTransactionParameters) -> bool {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_outbound_from_holder;
+ (*inner_val)
+}
+/// Whether the holder is the initiator of this channel.
+/// This is an input to the commitment number obscure factor computation.
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_set_is_outbound_from_holder(this_ptr: &mut ChannelTransactionParameters, mut val: bool) {
+ unsafe { &mut *this_ptr.inner }.is_outbound_from_holder = val;
+}
+/// The late-bound counterparty channel transaction parameters.
+/// These parameters are populated at the point in the protocol where the counterparty provides them.
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_get_counterparty_parameters(this_ptr: &ChannelTransactionParameters) -> crate::ln::chan_utils::CounterpartyChannelTransactionParameters {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.counterparty_parameters;
+ let mut local_inner_val = crate::ln::chan_utils::CounterpartyChannelTransactionParameters { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { { (inner_val.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false };
+ local_inner_val
+}
+/// The late-bound counterparty channel transaction parameters.
+/// These parameters are populated at the point in the protocol where the counterparty provides them.
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_set_counterparty_parameters(this_ptr: &mut ChannelTransactionParameters, mut val: crate::ln::chan_utils::CounterpartyChannelTransactionParameters) {
+ let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) };
+ unsafe { &mut *this_ptr.inner }.counterparty_parameters = local_val;
+}
+/// The late-bound funding outpoint
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_get_funding_outpoint(this_ptr: &ChannelTransactionParameters) -> crate::chain::transaction::OutPoint {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.funding_outpoint;
+ let mut local_inner_val = crate::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { { (inner_val.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false };
+ local_inner_val
+}
+/// The late-bound funding outpoint
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_set_funding_outpoint(this_ptr: &mut ChannelTransactionParameters, mut val: crate::chain::transaction::OutPoint) {
+ let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) };
+ unsafe { &mut *this_ptr.inner }.funding_outpoint = local_val;
+}
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::chain::transaction::OutPoint) -> ChannelTransactionParameters {
+ let mut local_counterparty_parameters_arg = if counterparty_parameters_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(counterparty_parameters_arg.take_inner()) } }) };
+ let mut local_funding_outpoint_arg = if funding_outpoint_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(funding_outpoint_arg.take_inner()) } }) };
+ ChannelTransactionParameters { inner: Box::into_raw(Box::new(nativeChannelTransactionParameters {
+ holder_pubkeys: *unsafe { Box::from_raw(holder_pubkeys_arg.take_inner()) },
+ holder_selected_contest_delay: holder_selected_contest_delay_arg,
+ is_outbound_from_holder: is_outbound_from_holder_arg,
+ counterparty_parameters: local_counterparty_parameters_arg,
+ funding_outpoint: local_funding_outpoint_arg,
+ })), is_owned: true }
+}
+
+use lightning::ln::chan_utils::CounterpartyChannelTransactionParameters as nativeCounterpartyChannelTransactionParametersImport;
+type nativeCounterpartyChannelTransactionParameters = nativeCounterpartyChannelTransactionParametersImport;
+
+/// Late-bound per-channel counterparty data used to build transactions.
+#[must_use]
+#[repr(C)]
+pub struct CounterpartyChannelTransactionParameters {
+ /// 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 nativeCounterpartyChannelTransactionParameters,
+ pub is_owned: bool,
+}
+
+impl Drop for CounterpartyChannelTransactionParameters {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_free(this_ptr: CounterpartyChannelTransactionParameters) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn CounterpartyChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyChannelTransactionParameters); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl CounterpartyChannelTransactionParameters {
+ pub(crate) fn take_inner(mut self) -> *mut nativeCounterpartyChannelTransactionParameters {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+impl Clone for CounterpartyChannelTransactionParameters {
+ fn clone(&self) -> Self {
+ Self {
+ inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyChannelTransactionParameters)).clone() })) as *mut c_void
+}
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_clone(orig: &CounterpartyChannelTransactionParameters) -> CounterpartyChannelTransactionParameters {
+ CounterpartyChannelTransactionParameters { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
+/// Counter-party public keys
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_get_pubkeys(this_ptr: &CounterpartyChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.pubkeys;
+ crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&((*inner_val)) as *const _) as *mut _) }, is_owned: false }
+}
+/// Counter-party public keys
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_set_pubkeys(this_ptr: &mut CounterpartyChannelTransactionParameters, mut val: crate::ln::chan_utils::ChannelPublicKeys) {
+ unsafe { &mut *this_ptr.inner }.pubkeys = *unsafe { Box::from_raw(val.take_inner()) };
+}
+/// The contest delay selected by the counterparty, which applies to holder-broadcast transactions
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_get_selected_contest_delay(this_ptr: &CounterpartyChannelTransactionParameters) -> u16 {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.selected_contest_delay;
+ (*inner_val)
+}
+/// The contest delay selected by the counterparty, which applies to holder-broadcast transactions
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_set_selected_contest_delay(this_ptr: &mut CounterpartyChannelTransactionParameters, mut val: u16) {
+ unsafe { &mut *this_ptr.inner }.selected_contest_delay = val;
+}
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_new(mut pubkeys_arg: crate::ln::chan_utils::ChannelPublicKeys, mut selected_contest_delay_arg: u16) -> CounterpartyChannelTransactionParameters {
+ CounterpartyChannelTransactionParameters { inner: Box::into_raw(Box::new(nativeCounterpartyChannelTransactionParameters {
+ pubkeys: *unsafe { Box::from_raw(pubkeys_arg.take_inner()) },
+ selected_contest_delay: selected_contest_delay_arg,
+ })), is_owned: true }
+}
+/// Whether the late bound parameters are populated.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_is_populated(this_arg: &ChannelTransactionParameters) -> bool {
+ let mut ret = unsafe { &*this_arg.inner }.is_populated();
+ ret
+}
+
+/// Convert the holder/counterparty parameters to broadcaster/countersignatory-organized parameters,
+/// given that the holder is the broadcaster.
+///
+/// self.is_populated() must be true before calling this function.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_as_holder_broadcastable(this_arg: &ChannelTransactionParameters) -> crate::ln::chan_utils::DirectedChannelTransactionParameters {
+ let mut ret = unsafe { &*this_arg.inner }.as_holder_broadcastable();
+ crate::ln::chan_utils::DirectedChannelTransactionParameters { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+}
+
+/// Convert the holder/counterparty parameters to broadcaster/countersignatory-organized parameters,
+/// given that the counterparty is the broadcaster.
+///
+/// self.is_populated() must be true before calling this function.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_as_counterparty_broadcastable(this_arg: &ChannelTransactionParameters) -> crate::ln::chan_utils::DirectedChannelTransactionParameters {
+ let mut ret = unsafe { &*this_arg.inner }.as_counterparty_broadcastable();
+ crate::ln::chan_utils::DirectedChannelTransactionParameters { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+}
+
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_write(obj: *const CounterpartyChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
+}
+#[no_mangle]
+pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyChannelTransactionParameters) })
+}
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_read(ser: crate::c_types::u8slice) -> CounterpartyChannelTransactionParameters {
+ if let Ok(res) = crate::c_types::deserialize_obj(ser) {
+ CounterpartyChannelTransactionParameters { inner: Box::into_raw(Box::new(res)), is_owned: true }
+ } else {
+ CounterpartyChannelTransactionParameters { inner: std::ptr::null_mut(), is_owned: true }
+ }
+}
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_write(obj: *const ChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
+}
+#[no_mangle]
+pub(crate) extern "C" fn ChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelTransactionParameters) })
+}
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_read(ser: crate::c_types::u8slice) -> ChannelTransactionParameters {
+ if let Ok(res) = crate::c_types::deserialize_obj(ser) {
+ ChannelTransactionParameters { inner: Box::into_raw(Box::new(res)), is_owned: true }
+ } else {
+ ChannelTransactionParameters { inner: std::ptr::null_mut(), is_owned: true }
+ }
+}
+
+use lightning::ln::chan_utils::DirectedChannelTransactionParameters as nativeDirectedChannelTransactionParametersImport;
+type nativeDirectedChannelTransactionParameters = nativeDirectedChannelTransactionParametersImport<'static>;
+
+/// Static channel fields used to build transactions given per-commitment fields, organized by
+/// broadcaster/countersignatory.
+///
+/// This is derived from the holder/counterparty-organized ChannelTransactionParameters via the
+/// as_holder_broadcastable and as_counterparty_broadcastable functions.
+#[must_use]
+#[repr(C)]
+pub struct DirectedChannelTransactionParameters {
+ /// 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 nativeDirectedChannelTransactionParameters,
+ pub is_owned: bool,
+}
+
+impl Drop for DirectedChannelTransactionParameters {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_free(this_ptr: DirectedChannelTransactionParameters) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn DirectedChannelTransactionParameters_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeDirectedChannelTransactionParameters); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl DirectedChannelTransactionParameters {
+ pub(crate) fn take_inner(mut self) -> *mut nativeDirectedChannelTransactionParameters {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+/// Get the channel pubkeys for the broadcaster
+#[must_use]
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_broadcaster_pubkeys(this_arg: &DirectedChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
+ let mut ret = unsafe { &*this_arg.inner }.broadcaster_pubkeys();
+ crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
+}
+
+/// Get the channel pubkeys for the countersignatory
+#[must_use]
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_countersignatory_pubkeys(this_arg: &DirectedChannelTransactionParameters) -> crate::ln::chan_utils::ChannelPublicKeys {
+ let mut ret = unsafe { &*this_arg.inner }.countersignatory_pubkeys();
+ crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
+}
+
+/// Get the contest delay applicable to the transactions.
+/// Note that the contest delay was selected by the countersignatory.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_contest_delay(this_arg: &DirectedChannelTransactionParameters) -> u16 {
+ let mut ret = unsafe { &*this_arg.inner }.contest_delay();
+ ret
+}
+
+/// Whether the channel is outbound from the broadcaster.
+///
+/// The boolean representing the side that initiated the channel is
+/// an input to the commitment number obscure factor computation.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_is_outbound(this_arg: &DirectedChannelTransactionParameters) -> bool {
+ let mut ret = unsafe { &*this_arg.inner }.is_outbound();
+ ret
+}
+
+/// The funding outpoint
+#[must_use]
+#[no_mangle]
+pub extern "C" fn DirectedChannelTransactionParameters_funding_outpoint(this_arg: &DirectedChannelTransactionParameters) -> crate::chain::transaction::OutPoint {
+ let mut ret = unsafe { &*this_arg.inner }.funding_outpoint();
+ crate::c_types::bitcoin_to_C_outpoint(ret)
+}
+
+
use lightning::ln::chan_utils::HolderCommitmentTransaction as nativeHolderCommitmentTransactionImport;
type nativeHolderCommitmentTransaction = nativeHolderCommitmentTransactionImport;
-/// We use this to track holder commitment transactions and put off signing them until we are ready
-/// to broadcast. This class can be used inside a signer implementation to generate a signature
-/// given the relevant secret key.
+/// Information needed to build and sign a holder's commitment transaction.
+///
+/// The transaction is only signed once we are ready to broadcast.
#[must_use]
#[repr(C)]
pub struct HolderCommitmentTransaction {
#[allow(unused)]
/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
impl HolderCommitmentTransaction {
- pub(crate) fn take_ptr(mut self) -> *mut nativeHolderCommitmentTransaction {
+ pub(crate) fn take_inner(mut self) -> *mut nativeHolderCommitmentTransaction {
assert!(self.is_owned);
let ret = self.inner;
self.inner = std::ptr::null_mut();
pub(crate) extern "C" fn HolderCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHolderCommitmentTransaction)).clone() })) as *mut c_void
}
-/// The commitment transaction itself, in unsigned form.
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_unsigned_tx(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::Transaction {
- let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.unsigned_tx;
- let mut local_inner_val = ::bitcoin::consensus::encode::serialize(inner_val);
- crate::c_types::Transaction::from_vec(local_inner_val)
+pub extern "C" fn HolderCommitmentTransaction_clone(orig: &HolderCommitmentTransaction) -> HolderCommitmentTransaction {
+ HolderCommitmentTransaction { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
}
-/// The commitment transaction itself, in unsigned form.
-#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_set_unsigned_tx(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::Transaction) {
- unsafe { &mut *this_ptr.inner }.unsigned_tx = val.into_bitcoin();
-}
-/// Our counterparty's signature for the transaction, above.
+/// Our counterparty's signature for the transaction
#[no_mangle]
pub extern "C" fn HolderCommitmentTransaction_get_counterparty_sig(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::Signature {
let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.counterparty_sig;
crate::c_types::Signature::from_rust(&(*inner_val))
}
-/// Our counterparty's signature for the transaction, above.
+/// Our counterparty's signature for the transaction
#[no_mangle]
pub extern "C" fn HolderCommitmentTransaction_set_counterparty_sig(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::Signature) {
unsafe { &mut *this_ptr.inner }.counterparty_sig = val.into_rust();
}
-/// The feerate paid per 1000-weight-unit in this commitment transaction. This value is
-/// controlled by the channel initiator.
+/// All non-dust counterparty HTLC signatures, in the order they appear in the transaction
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_feerate_per_kw(this_ptr: &HolderCommitmentTransaction) -> u32 {
- let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.feerate_per_kw;
- (*inner_val)
+pub extern "C" fn HolderCommitmentTransaction_set_counterparty_htlc_sigs(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::derived::CVec_SignatureZ) {
+ let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { item.into_rust() }); };
+ unsafe { &mut *this_ptr.inner }.counterparty_htlc_sigs = local_val;
+}
+#[no_mangle]
+pub extern "C" fn HolderCommitmentTransaction_write(obj: *const HolderCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
+}
+#[no_mangle]
+pub(crate) extern "C" fn HolderCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHolderCommitmentTransaction) })
+}
+#[no_mangle]
+pub extern "C" fn HolderCommitmentTransaction_read(ser: crate::c_types::u8slice) -> HolderCommitmentTransaction {
+ if let Ok(res) = crate::c_types::deserialize_obj(ser) {
+ HolderCommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
+ } else {
+ HolderCommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
+ }
+}
+/// Create a new holder transaction with the given counterparty signatures.
+/// The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn HolderCommitmentTransaction_new(mut commitment_tx: crate::ln::chan_utils::CommitmentTransaction, mut counterparty_sig: crate::c_types::Signature, mut counterparty_htlc_sigs: crate::c_types::derived::CVec_SignatureZ, mut holder_funding_key: crate::c_types::PublicKey, mut counterparty_funding_key: crate::c_types::PublicKey) -> HolderCommitmentTransaction {
+ let mut local_counterparty_htlc_sigs = Vec::new(); for mut item in counterparty_htlc_sigs.into_rust().drain(..) { local_counterparty_htlc_sigs.push( { item.into_rust() }); };
+ let mut ret = lightning::ln::chan_utils::HolderCommitmentTransaction::new(*unsafe { Box::from_raw(commitment_tx.take_inner()) }, counterparty_sig.into_rust(), local_counterparty_htlc_sigs, &holder_funding_key.into_rust(), &counterparty_funding_key.into_rust());
+ HolderCommitmentTransaction { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+}
+
+
+use lightning::ln::chan_utils::BuiltCommitmentTransaction as nativeBuiltCommitmentTransactionImport;
+type nativeBuiltCommitmentTransaction = nativeBuiltCommitmentTransactionImport;
+
+/// A pre-built Bitcoin commitment transaction and its txid.
+#[must_use]
+#[repr(C)]
+pub struct BuiltCommitmentTransaction {
+ /// 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 nativeBuiltCommitmentTransaction,
+ pub is_owned: bool,
+}
+
+impl Drop for BuiltCommitmentTransaction {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_free(this_ptr: BuiltCommitmentTransaction) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn BuiltCommitmentTransaction_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeBuiltCommitmentTransaction); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl BuiltCommitmentTransaction {
+ pub(crate) fn take_inner(mut self) -> *mut nativeBuiltCommitmentTransaction {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+impl Clone for BuiltCommitmentTransaction {
+ fn clone(&self) -> Self {
+ Self {
+ inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn BuiltCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBuiltCommitmentTransaction)).clone() })) as *mut c_void
}
-/// The feerate paid per 1000-weight-unit in this commitment transaction. This value is
-/// controlled by the channel initiator.
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_set_feerate_per_kw(this_ptr: &mut HolderCommitmentTransaction, mut val: u32) {
- unsafe { &mut *this_ptr.inner }.feerate_per_kw = val;
+pub extern "C" fn BuiltCommitmentTransaction_clone(orig: &BuiltCommitmentTransaction) -> BuiltCommitmentTransaction {
+ BuiltCommitmentTransaction { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
}
-/// The HTLCs and counterparty htlc signatures which were included in this commitment transaction.
+/// The commitment transaction
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_get_transaction(this_ptr: &BuiltCommitmentTransaction) -> crate::c_types::Transaction {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.transaction;
+ let mut local_inner_val = ::bitcoin::consensus::encode::serialize(inner_val);
+ crate::c_types::Transaction::from_vec(local_inner_val)
+}
+/// The commitment transaction
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_set_transaction(this_ptr: &mut BuiltCommitmentTransaction, mut val: crate::c_types::Transaction) {
+ unsafe { &mut *this_ptr.inner }.transaction = val.into_bitcoin();
+}
+/// The txid for the commitment transaction.
///
-/// Note that this includes all HTLCs, including ones which were considered dust and not
-/// actually included in the transaction as it appears on-chain, but who's value is burned as
-/// fees and not included in the to_holder or to_counterparty outputs.
+/// This is provided as a performance optimization, instead of calling transaction.txid()
+/// multiple times.
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_get_txid(this_ptr: &BuiltCommitmentTransaction) -> *const [u8; 32] {
+ let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.txid;
+ (*inner_val).as_inner()
+}
+/// The txid for the commitment transaction.
///
-/// The counterparty HTLC signatures in the second element will always be set for non-dust HTLCs, ie
-/// those for which transaction_output_index.is_some().
+/// This is provided as a performance optimization, instead of calling transaction.txid()
+/// multiple times.
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_set_txid(this_ptr: &mut BuiltCommitmentTransaction, mut val: crate::c_types::ThirtyTwoBytes) {
+ unsafe { &mut *this_ptr.inner }.txid = ::bitcoin::hash_types::Txid::from_slice(&val.data[..]).unwrap();
+}
+#[must_use]
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_set_per_htlc(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::derived::CVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ) {
- let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { let (mut orig_val_0_0, mut orig_val_0_1) = item.to_rust(); let mut local_orig_val_0_1 = if orig_val_0_1.is_null() { None } else { Some( { orig_val_0_1.into_rust() }) }; let mut local_val_0 = (*unsafe { Box::from_raw(orig_val_0_0.take_ptr()) }, local_orig_val_0_1); local_val_0 }); };
- unsafe { &mut *this_ptr.inner }.per_htlc = local_val;
+pub extern "C" fn BuiltCommitmentTransaction_new(mut transaction_arg: crate::c_types::Transaction, mut txid_arg: crate::c_types::ThirtyTwoBytes) -> BuiltCommitmentTransaction {
+ BuiltCommitmentTransaction { inner: Box::into_raw(Box::new(nativeBuiltCommitmentTransaction {
+ transaction: transaction_arg.into_bitcoin(),
+ txid: ::bitcoin::hash_types::Txid::from_slice(&txid_arg.data[..]).unwrap(),
+ })), is_owned: true }
}
-/// Generate a new HolderCommitmentTransaction based on a raw commitment transaction,
-/// counterparty signature and both parties keys.
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_write(obj: *const BuiltCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
+}
+#[no_mangle]
+pub(crate) extern "C" fn BuiltCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeBuiltCommitmentTransaction) })
+}
+#[no_mangle]
+pub extern "C" fn BuiltCommitmentTransaction_read(ser: crate::c_types::u8slice) -> BuiltCommitmentTransaction {
+ if let Ok(res) = crate::c_types::deserialize_obj(ser) {
+ BuiltCommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
+ } else {
+ BuiltCommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
+ }
+}
+/// Get the SIGHASH_ALL sighash value of the transaction.
///
-/// The unsigned transaction outputs must be consistent with htlc_data. This function
-/// only checks that the shape and amounts are consistent, but does not check the scriptPubkey.
+/// This can be used to verify a signature.
#[must_use]
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_new_missing_holder_sig(mut unsigned_tx: crate::c_types::Transaction, mut counterparty_sig: crate::c_types::Signature, mut holder_funding_key: crate::c_types::PublicKey, mut counterparty_funding_key: crate::c_types::PublicKey, mut keys: crate::ln::chan_utils::TxCreationKeys, mut feerate_per_kw: u32, mut htlc_data: crate::c_types::derived::CVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ) -> crate::ln::chan_utils::HolderCommitmentTransaction {
- let mut local_htlc_data = Vec::new(); for mut item in htlc_data.into_rust().drain(..) { local_htlc_data.push( { let (mut orig_htlc_data_0_0, mut orig_htlc_data_0_1) = item.to_rust(); let mut local_orig_htlc_data_0_1 = if orig_htlc_data_0_1.is_null() { None } else { Some( { orig_htlc_data_0_1.into_rust() }) }; let mut local_htlc_data_0 = (*unsafe { Box::from_raw(orig_htlc_data_0_0.take_ptr()) }, local_orig_htlc_data_0_1); local_htlc_data_0 }); };
- let mut ret = lightning::ln::chan_utils::HolderCommitmentTransaction::new_missing_holder_sig(unsigned_tx.into_bitcoin(), counterparty_sig.into_rust(), &holder_funding_key.into_rust(), &counterparty_funding_key.into_rust(), *unsafe { Box::from_raw(keys.take_ptr()) }, feerate_per_kw, local_htlc_data);
- crate::ln::chan_utils::HolderCommitmentTransaction { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+pub extern "C" fn BuiltCommitmentTransaction_get_sighash_all(this_arg: &BuiltCommitmentTransaction, mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ThirtyTwoBytes {
+ let mut ret = unsafe { &*this_arg.inner }.get_sighash_all(&::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis);
+ crate::c_types::ThirtyTwoBytes { data: ret.as_ref().clone() }
}
-/// The pre-calculated transaction creation public keys.
-/// An external validating signer should not trust these keys.
+/// Sign a transaction, either because we are counter-signing the counterparty's transaction or
+/// because we are about to broadcast a holder transaction.
#[must_use]
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_trust_key_derivation(this_arg: &HolderCommitmentTransaction) -> crate::ln::chan_utils::TxCreationKeys {
- let mut ret = unsafe { &*this_arg.inner }.trust_key_derivation();
- crate::ln::chan_utils::TxCreationKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
+pub extern "C" fn BuiltCommitmentTransaction_sign(this_arg: &BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::Signature {
+ let mut ret = unsafe { &*this_arg.inner }.sign(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, &bitcoin::secp256k1::Secp256k1::new());
+ crate::c_types::Signature::from_rust(&ret)
+}
+
+
+use lightning::ln::chan_utils::CommitmentTransaction as nativeCommitmentTransactionImport;
+type nativeCommitmentTransaction = nativeCommitmentTransactionImport;
+
+/// This class tracks the per-transaction information needed to build a commitment transaction and to
+/// actually build it and sign. It is used for holder transactions that we sign only when needed
+/// and for transactions we sign for the counterparty.
+///
+/// This class can be used inside a signer implementation to generate a signature given the relevant
+/// secret key.
+#[must_use]
+#[repr(C)]
+pub struct CommitmentTransaction {
+ /// 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 nativeCommitmentTransaction,
+ pub is_owned: bool,
+}
+
+impl Drop for CommitmentTransaction {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_free(this_ptr: CommitmentTransaction) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn CommitmentTransaction_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCommitmentTransaction); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl CommitmentTransaction {
+ pub(crate) fn take_inner(mut self) -> *mut nativeCommitmentTransaction {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+impl Clone for CommitmentTransaction {
+ fn clone(&self) -> Self {
+ Self {
+ inner: Box::into_raw(Box::new(unsafe { &*self.inner }.clone())),
+ is_owned: true,
+ }
+ }
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn CommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCommitmentTransaction)).clone() })) as *mut c_void
+}
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_clone(orig: &CommitmentTransaction) -> CommitmentTransaction {
+ CommitmentTransaction { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true }
+}
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_write(obj: *const CommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
+}
+#[no_mangle]
+pub(crate) extern "C" fn CommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
+ crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCommitmentTransaction) })
+}
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_read(ser: crate::c_types::u8slice) -> CommitmentTransaction {
+ if let Ok(res) = crate::c_types::deserialize_obj(ser) {
+ CommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
+ } else {
+ CommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
+ }
+}
+/// The backwards-counting commitment number
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_commitment_number(this_arg: &CommitmentTransaction) -> u64 {
+ let mut ret = unsafe { &*this_arg.inner }.commitment_number();
+ ret
+}
+
+/// The value to be sent to the broadcaster
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_to_broadcaster_value_sat(this_arg: &CommitmentTransaction) -> u64 {
+ let mut ret = unsafe { &*this_arg.inner }.to_broadcaster_value_sat();
+ ret
+}
+
+/// The value to be sent to the counterparty
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_to_countersignatory_value_sat(this_arg: &CommitmentTransaction) -> u64 {
+ let mut ret = unsafe { &*this_arg.inner }.to_countersignatory_value_sat();
+ ret
+}
+
+/// The feerate paid per 1000-weight-unit in this commitment transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_feerate_per_kw(this_arg: &CommitmentTransaction) -> u32 {
+ let mut ret = unsafe { &*this_arg.inner }.feerate_per_kw();
+ ret
+}
+
+/// Trust our pre-built transaction and derived transaction creation public keys.
+///
+/// Applies a wrapper which allows access to these fields.
+///
+/// This should only be used if you fully trust the builder of this object. It should not
+///\tbe used by an external signer - instead use the verify function.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_trust(this_arg: &CommitmentTransaction) -> crate::ln::chan_utils::TrustedCommitmentTransaction {
+ let mut ret = unsafe { &*this_arg.inner }.trust();
+ crate::ln::chan_utils::TrustedCommitmentTransaction { inner: Box::into_raw(Box::new(ret)), is_owned: true }
}
-/// Get the txid of the holder commitment transaction contained in this
-/// HolderCommitmentTransaction
+/// Verify our pre-built transaction and derived transaction creation public keys.
+///
+/// Applies a wrapper which allows access to these fields.
+///
+/// An external validating signer must call this method before signing
+/// or using the built transaction.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_verify(this_arg: &CommitmentTransaction, channel_parameters: &crate::ln::chan_utils::DirectedChannelTransactionParameters, broadcaster_keys: &crate::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CResult_TrustedCommitmentTransactionNoneZ {
+ let mut ret = unsafe { &*this_arg.inner }.verify(unsafe { &*channel_parameters.inner }, unsafe { &*broadcaster_keys.inner }, unsafe { &*countersignatory_keys.inner }, &bitcoin::secp256k1::Secp256k1::new());
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::ln::chan_utils::TrustedCommitmentTransaction { inner: Box::into_raw(Box::new(o)), is_owned: true } }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) };
+ local_ret
+}
+
+
+use lightning::ln::chan_utils::TrustedCommitmentTransaction as nativeTrustedCommitmentTransactionImport;
+type nativeTrustedCommitmentTransaction = nativeTrustedCommitmentTransactionImport<'static>;
+
+/// A wrapper on CommitmentTransaction indicating that the derived fields (the built bitcoin
+/// transaction and the transaction creation keys) are trusted.
+///
+/// See trust() and verify() functions on CommitmentTransaction.
+///
+/// This structure implements Deref.
#[must_use]
+#[repr(C)]
+pub struct TrustedCommitmentTransaction {
+ /// 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 nativeTrustedCommitmentTransaction,
+ pub is_owned: bool,
+}
+
+impl Drop for TrustedCommitmentTransaction {
+ fn drop(&mut self) {
+ if self.is_owned && !self.inner.is_null() {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_txid(this_arg: &HolderCommitmentTransaction) -> crate::c_types::ThirtyTwoBytes {
+pub extern "C" fn TrustedCommitmentTransaction_free(this_ptr: TrustedCommitmentTransaction) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+extern "C" fn TrustedCommitmentTransaction_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTrustedCommitmentTransaction); }
+}
+#[allow(unused)]
+/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy
+impl TrustedCommitmentTransaction {
+ pub(crate) fn take_inner(mut self) -> *mut nativeTrustedCommitmentTransaction {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+/// The transaction ID of the built Bitcoin transaction
+#[must_use]
+#[no_mangle]
+pub extern "C" fn TrustedCommitmentTransaction_txid(this_arg: &TrustedCommitmentTransaction) -> crate::c_types::ThirtyTwoBytes {
let mut ret = unsafe { &*this_arg.inner }.txid();
crate::c_types::ThirtyTwoBytes { data: ret.into_inner() }
}
-/// Gets holder signature for the contained commitment transaction given holder funding private key.
-///
-/// Funding key is your key included in the 2-2 funding_outpoint lock. Should be provided
-/// by your ChannelKeys.
-/// Funding redeemscript is script locking funding_outpoint. This is the mutlsig script
-/// between your own funding key and your counterparty's. Currently, this is provided in
-/// ChannelKeys::sign_holder_commitment() calls directly.
-/// Channel value is amount locked in funding_outpoint.
+/// The pre-built Bitcoin commitment transaction
#[must_use]
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_holder_sig(this_arg: &HolderCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::Signature {
- let mut ret = unsafe { &*this_arg.inner }.get_holder_sig(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, &bitcoin::secp256k1::Secp256k1::new());
- crate::c_types::Signature::from_rust(&ret)
+pub extern "C" fn TrustedCommitmentTransaction_built_transaction(this_arg: &TrustedCommitmentTransaction) -> crate::ln::chan_utils::BuiltCommitmentTransaction {
+ let mut ret = unsafe { &*this_arg.inner }.built_transaction();
+ crate::ln::chan_utils::BuiltCommitmentTransaction { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
+}
+
+/// The pre-calculated transaction creation public keys.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn TrustedCommitmentTransaction_keys(this_arg: &TrustedCommitmentTransaction) -> crate::ln::chan_utils::TxCreationKeys {
+ let mut ret = unsafe { &*this_arg.inner }.keys();
+ crate::ln::chan_utils::TxCreationKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false }
}
/// Get a signature for each HTLC which was included in the commitment transaction (ie for
/// which HTLCOutputInCommitment::transaction_output_index.is_some()).
///
-/// The returned Vec has one entry for each HTLC, and in the same order. For HTLCs which were
-/// considered dust and not included, a None entry exists, for all others a signature is
-/// included.
+/// The returned Vec has one entry for each HTLC, and in the same order.
#[must_use]
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_htlc_sigs(this_arg: &HolderCommitmentTransaction, htlc_base_key: *const [u8; 32], mut counterparty_selected_contest_delay: u16) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ {
- let mut ret = unsafe { &*this_arg.inner }.get_htlc_sigs(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *htlc_base_key}[..]).unwrap(), counterparty_selected_contest_delay, &bitcoin::secp256k1::Secp256k1::new());
- let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for item in o.drain(..) { local_ret_0.push( { let mut local_ret_0_0 = if item.is_none() { crate::c_types::Signature::null() } else { { crate::c_types::Signature::from_rust(&(item.unwrap())) } }; local_ret_0_0 }); }; local_ret_0.into() }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) };
+pub extern "C" fn TrustedCommitmentTransaction_get_htlc_sigs(this_arg: &TrustedCommitmentTransaction, htlc_base_key: *const [u8; 32], channel_parameters: &crate::ln::chan_utils::DirectedChannelTransactionParameters) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ {
+ let mut ret = unsafe { &*this_arg.inner }.get_htlc_sigs(&::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *htlc_base_key}[..]).unwrap(), unsafe { &*channel_parameters.inner }, &bitcoin::secp256k1::Secp256k1::new());
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for item in o.drain(..) { local_ret_0.push( { crate::c_types::Signature::from_rust(&item) }); }; local_ret_0.into() }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) };
local_ret
}
+/// Get the transaction number obscure factor
#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_write(obj: *const HolderCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
- crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) })
-}
-#[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_read(ser: crate::c_types::u8slice) -> HolderCommitmentTransaction {
- if let Ok(res) = crate::c_types::deserialize_obj(ser) {
- HolderCommitmentTransaction { inner: Box::into_raw(Box::new(res)), is_owned: true }
- } else {
- HolderCommitmentTransaction { inner: std::ptr::null_mut(), is_owned: true }
- }
+pub extern "C" fn get_commitment_transaction_number_obscure_factor(mut broadcaster_payment_basepoint: crate::c_types::PublicKey, mut countersignatory_payment_basepoint: crate::c_types::PublicKey, mut outbound_from_broadcaster: bool) -> u64 {
+ let mut ret = lightning::ln::chan_utils::get_commitment_transaction_number_obscure_factor(&broadcaster_payment_basepoint.into_rust(), &countersignatory_payment_basepoint.into_rust(), outbound_from_broadcaster);
+ ret
}
+