X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fln%2Fchan_utils.rs;h=225dfbb3d8c02d1f1c1f7e2303d69f99dc48e40a;hb=fa53bccc47204dba265106ed70c796f8e20109a1;hp=519744cc11ebb09f342c110787d6372afd27d1f5;hpb=a945b11d9f16864753054a47128d71a96de29f73;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/ln/chan_utils.rs b/lightning-c-bindings/src/lightning/ln/chan_utils.rs index 519744c..225dfbb 100644 --- a/lightning-c-bindings/src/lightning/ln/chan_utils.rs +++ b/lightning-c-bindings/src/lightning/ln/chan_utils.rs @@ -9,11 +9,27 @@ //! Various utilities for building scripts and deriving keys related to channels. These are //! largely of interest for those implementing chain::keysinterface::Sign message signing by hand. -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}; + +/// Gets the weight for an HTLC-Success transaction. +#[no_mangle] +pub extern "C" fn htlc_success_tx_weight(mut opt_anchors: bool) -> u64 { + let mut ret = lightning::ln::chan_utils::htlc_success_tx_weight(opt_anchors); + ret +} + +/// Gets the weight for an HTLC-Timeout transaction. +#[no_mangle] +pub extern "C" fn htlc_timeout_tx_weight(mut opt_anchors: bool) -> u64 { + let mut ret = lightning::ln::chan_utils::htlc_timeout_tx_weight(opt_anchors); + ret +} /// Build the commitment secret from the seed and the commitment number #[no_mangle] @@ -29,6 +45,135 @@ pub extern "C" fn build_closing_transaction(mut to_holder_value_sat: u64, mut to crate::c_types::Transaction::from_bitcoin(&ret) } + +use lightning::ln::chan_utils::CounterpartyCommitmentSecrets as nativeCounterpartyCommitmentSecretsImport; +pub(crate) type nativeCounterpartyCommitmentSecrets = nativeCounterpartyCommitmentSecretsImport; + +/// Implements the per-commitment secret storage scheme from +/// [BOLT 3](https://github.com/lightningnetwork/lightning-rfc/blob/dcbf8583976df087c79c3ce0b535311212e6812d/03-transactions.md#efficient-per-commitment-secret-storage). +/// +/// Allows us to keep track of all of the revocation secrets of our counterparty in just 50*32 bytes +/// or so. +#[must_use] +#[repr(C)] +pub struct CounterpartyCommitmentSecrets { + /// 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 nativeCounterpartyCommitmentSecrets, + /// 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 CounterpartyCommitmentSecrets { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeCounterpartyCommitmentSecrets>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the CounterpartyCommitmentSecrets, if is_owned is set and inner is non-NULL. +#[no_mangle] +pub extern "C" fn CounterpartyCommitmentSecrets_free(this_obj: CounterpartyCommitmentSecrets) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn CounterpartyCommitmentSecrets_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyCommitmentSecrets); } +} +#[allow(unused)] +impl CounterpartyCommitmentSecrets { + pub(crate) fn get_native_ref(&self) -> &'static nativeCounterpartyCommitmentSecrets { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeCounterpartyCommitmentSecrets { + 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 nativeCounterpartyCommitmentSecrets { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +impl Clone for CounterpartyCommitmentSecrets { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeCounterpartyCommitmentSecrets>::is_null(self.inner) { core::ptr::null_mut() } else { + ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, + is_owned: true, + } + } +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn CounterpartyCommitmentSecrets_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyCommitmentSecrets)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the CounterpartyCommitmentSecrets +pub extern "C" fn CounterpartyCommitmentSecrets_clone(orig: &CounterpartyCommitmentSecrets) -> CounterpartyCommitmentSecrets { + orig.clone() +} +/// Creates a new empty `CounterpartyCommitmentSecrets` structure. +#[must_use] +#[no_mangle] +pub extern "C" fn CounterpartyCommitmentSecrets_new() -> CounterpartyCommitmentSecrets { + let mut ret = lightning::ln::chan_utils::CounterpartyCommitmentSecrets::new(); + CounterpartyCommitmentSecrets { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Returns the minimum index of all stored secrets. Note that indexes start +/// at 1 << 48 and get decremented by one for each new secret. +#[must_use] +#[no_mangle] +pub extern "C" fn CounterpartyCommitmentSecrets_get_min_seen_secret(this_arg: &CounterpartyCommitmentSecrets) -> u64 { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_min_seen_secret(); + ret +} + +/// Inserts the `secret` at `idx`. Returns `Ok(())` if the secret +/// was generated in accordance with BOLT 3 and is consistent with previous secrets. +#[must_use] +#[no_mangle] +pub extern "C" fn CounterpartyCommitmentSecrets_provide_secret(this_arg: &mut CounterpartyCommitmentSecrets, mut idx: u64, mut secret: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_NoneNoneZ { + let mut ret = unsafe { &mut (*ObjOps::untweak_ptr(this_arg.inner as *mut nativeCounterpartyCommitmentSecrets)) }.provide_secret(idx, secret.data); + 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 +} + +/// Returns the secret at `idx`. +/// Returns `None` if `idx` is < [`CounterpartyCommitmentSecrets::get_min_seen_secret`]. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn CounterpartyCommitmentSecrets_get_secret(this_arg: &CounterpartyCommitmentSecrets, mut idx: u64) -> crate::c_types::ThirtyTwoBytes { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_secret(idx); + let mut local_ret = if ret.is_none() { crate::c_types::ThirtyTwoBytes { data: [0; 32] } } else { { crate::c_types::ThirtyTwoBytes { data: (ret.unwrap()) } } }; + local_ret +} + +#[no_mangle] +/// Serialize the CounterpartyCommitmentSecrets object into a byte array which can be read by CounterpartyCommitmentSecrets_read +pub extern "C" fn CounterpartyCommitmentSecrets_write(obj: &CounterpartyCommitmentSecrets) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn CounterpartyCommitmentSecrets_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyCommitmentSecrets) }) +} +#[no_mangle] +/// Read a CounterpartyCommitmentSecrets from a byte array, created by CounterpartyCommitmentSecrets_write +pub extern "C" fn CounterpartyCommitmentSecrets_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_CounterpartyCommitmentSecretsDecodeErrorZ { + 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::ln::chan_utils::CounterpartyCommitmentSecrets { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; + local_res +} /// Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key) /// from the base secret and the per_commitment_point. /// @@ -145,7 +290,7 @@ impl TxCreationKeys { pub(crate) fn take_inner(mut self) -> *mut nativeTxCreationKeys { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -223,7 +368,7 @@ pub extern "C" fn TxCreationKeys_new(mut per_commitment_point_arg: crate::c_type impl Clone for TxCreationKeys { fn clone(&self) -> Self { Self { - inner: if <*mut nativeTxCreationKeys>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeTxCreationKeys>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -302,7 +447,7 @@ impl ChannelPublicKeys { pub(crate) fn take_inner(mut self) -> *mut nativeChannelPublicKeys { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -394,7 +539,7 @@ pub extern "C" fn ChannelPublicKeys_new(mut funding_pubkey_arg: crate::c_types:: impl Clone for ChannelPublicKeys { fn clone(&self) -> Self { Self { - inner: if <*mut nativeChannelPublicKeys>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeChannelPublicKeys>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -506,7 +651,7 @@ impl HTLCOutputInCommitment { pub(crate) fn take_inner(mut self) -> *mut nativeHTLCOutputInCommitment { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -595,7 +740,7 @@ pub extern "C" fn HTLCOutputInCommitment_new(mut offered_arg: bool, mut amount_m impl Clone for HTLCOutputInCommitment { fn clone(&self) -> Self { Self { - inner: if <*mut nativeHTLCOutputInCommitment>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeHTLCOutputInCommitment>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -630,8 +775,8 @@ pub extern "C" fn HTLCOutputInCommitment_read(ser: crate::c_types::u8slice) -> c /// Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc /// does not need to have its previous_output_index filled. #[no_mangle] -pub extern "C" fn get_htlc_redeemscript(htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, keys: &crate::lightning::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z { - let mut ret = lightning::ln::chan_utils::get_htlc_redeemscript(htlc.get_native_ref(), keys.get_native_ref()); +pub extern "C" fn get_htlc_redeemscript(htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, mut opt_anchors: bool, keys: &crate::lightning::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z { + let mut ret = lightning::ln::chan_utils::get_htlc_redeemscript(htlc.get_native_ref(), opt_anchors, keys.get_native_ref()); ret.into_bytes().into() } @@ -651,11 +796,23 @@ pub extern "C" fn make_funding_redeemscript(mut broadcaster: crate::c_types::Pub /// Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the /// commitment transaction). #[no_mangle] -pub extern "C" fn build_htlc_transaction(commitment_txid: *const [u8; 32], mut feerate_per_kw: u32, mut contest_delay: u16, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction { - let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*commitment_txid }[..]).unwrap(), feerate_per_kw, contest_delay, htlc.get_native_ref(), &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust()); +pub extern "C" fn build_htlc_transaction(commitment_txid: *const [u8; 32], mut feerate_per_kw: u32, mut contest_delay: u16, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, mut opt_anchors: bool, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction { + let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*commitment_txid }[..]).unwrap(), feerate_per_kw, contest_delay, htlc.get_native_ref(), opt_anchors, &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust()); crate::c_types::Transaction::from_bitcoin(&ret) } +/// Gets the witnessScript for an anchor output from the funding public key. +/// The witness in the spending input must be: +/// +/// After 16 blocks of confirmation, an alternative satisfying witness could be: +/// <> +/// (empty vector required to satisfy compliance with MINIMALIF-standard rule) +#[no_mangle] +pub extern "C" fn get_anchor_redeemscript(mut funding_pubkey: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z { + let mut ret = lightning::ln::chan_utils::get_anchor_redeemscript(&funding_pubkey.into_rust()); + ret.into_bytes().into() +} + use lightning::ln::chan_utils::ChannelTransactionParameters as nativeChannelTransactionParametersImport; pub(crate) type nativeChannelTransactionParameters = nativeChannelTransactionParametersImport; @@ -707,7 +864,7 @@ impl ChannelTransactionParameters { pub(crate) fn take_inner(mut self) -> *mut nativeChannelTransactionParameters { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -753,7 +910,7 @@ pub extern "C" fn ChannelTransactionParameters_set_is_outbound_from_holder(this_ #[no_mangle] pub extern "C" fn ChannelTransactionParameters_get_counterparty_parameters(this_ptr: &ChannelTransactionParameters) -> crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters { let mut inner_val = &mut this_ptr.get_native_mut_ref().counterparty_parameters; - let mut local_inner_val = crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::ln::chan_utils::CounterpartyChannelTransactionParameters<>) as *mut _ }, is_owned: false }; + let mut local_inner_val = crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::ln::chan_utils::CounterpartyChannelTransactionParameters<>) as *mut _ }, is_owned: false }; local_inner_val } /// The late-bound counterparty channel transaction parameters. @@ -771,7 +928,7 @@ pub extern "C" fn ChannelTransactionParameters_set_counterparty_parameters(this_ #[no_mangle] pub extern "C" fn ChannelTransactionParameters_get_funding_outpoint(this_ptr: &ChannelTransactionParameters) -> crate::lightning::chain::transaction::OutPoint { let mut inner_val = &mut this_ptr.get_native_mut_ref().funding_outpoint; - let mut local_inner_val = crate::lightning::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::chain::transaction::OutPoint<>) as *mut _ }, is_owned: false }; + let mut local_inner_val = crate::lightning::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::chain::transaction::OutPoint<>) as *mut _ }, is_owned: false }; local_inner_val } /// The late-bound funding outpoint @@ -782,24 +939,39 @@ pub extern "C" fn ChannelTransactionParameters_set_funding_outpoint(this_ptr: &m let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) }; unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_outpoint = local_val; } +/// Are anchors used for this channel. Boolean is serialization backwards-compatible +#[no_mangle] +pub extern "C" fn ChannelTransactionParameters_get_opt_anchors(this_ptr: &ChannelTransactionParameters) -> crate::c_types::derived::COption_NoneZ { + let mut inner_val = &mut this_ptr.get_native_mut_ref().opt_anchors; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_NoneZ::None } else { crate::c_types::derived::COption_NoneZ::Some /* { () /**/ } */}; + local_inner_val +} +/// Are anchors used for this channel. Boolean is serialization backwards-compatible +#[no_mangle] +pub extern "C" fn ChannelTransactionParameters_set_opt_anchors(this_ptr: &mut ChannelTransactionParameters, mut val: crate::c_types::derived::COption_NoneZ) { + let mut local_val = if val.is_some() { Some( { () /*val.take()*/ }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.opt_anchors = local_val; +} /// Constructs a new ChannelTransactionParameters given each field #[must_use] #[no_mangle] -pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::lightning::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::lightning::chain::transaction::OutPoint) -> ChannelTransactionParameters { +pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::lightning::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut opt_anchors_arg: crate::c_types::derived::COption_NoneZ) -> 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()) } }) }; + let mut local_opt_anchors_arg = if opt_anchors_arg.is_some() { Some( { () /*opt_anchors_arg.take()*/ }) } else { None }; ChannelTransactionParameters { inner: ObjOps::heap_alloc(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, + opt_anchors: local_opt_anchors_arg, }), is_owned: true } } impl Clone for ChannelTransactionParameters { fn clone(&self) -> Self { Self { - inner: if <*mut nativeChannelTransactionParameters>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeChannelTransactionParameters>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -862,7 +1034,7 @@ impl CounterpartyChannelTransactionParameters { pub(crate) fn take_inner(mut self) -> *mut nativeCounterpartyChannelTransactionParameters { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -900,7 +1072,7 @@ pub extern "C" fn CounterpartyChannelTransactionParameters_new(mut pubkeys_arg: impl Clone for CounterpartyChannelTransactionParameters { fn clone(&self) -> Self { Self { - inner: if <*mut nativeCounterpartyChannelTransactionParameters>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeCounterpartyChannelTransactionParameters>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -1029,7 +1201,7 @@ impl DirectedChannelTransactionParameters { pub(crate) fn take_inner(mut self) -> *mut nativeDirectedChannelTransactionParameters { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -1077,6 +1249,14 @@ pub extern "C" fn DirectedChannelTransactionParameters_funding_outpoint(this_arg crate::c_types::bitcoin_to_C_outpoint(ret) } +/// Whether to use anchors for this channel +#[must_use] +#[no_mangle] +pub extern "C" fn DirectedChannelTransactionParameters_opt_anchors(this_arg: &DirectedChannelTransactionParameters) -> bool { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors(); + ret +} + use lightning::ln::chan_utils::HolderCommitmentTransaction as nativeHolderCommitmentTransactionImport; pub(crate) type nativeHolderCommitmentTransaction = nativeHolderCommitmentTransactionImport; @@ -1126,7 +1306,7 @@ impl HolderCommitmentTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeHolderCommitmentTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -1150,7 +1330,7 @@ pub extern "C" fn HolderCommitmentTransaction_set_counterparty_htlc_sigs(this_pt impl Clone for HolderCommitmentTransaction { fn clone(&self) -> Self { Self { - inner: if <*mut nativeHolderCommitmentTransaction>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeHolderCommitmentTransaction>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -1239,7 +1419,7 @@ impl BuiltCommitmentTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeBuiltCommitmentTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -1283,7 +1463,7 @@ pub extern "C" fn BuiltCommitmentTransaction_new(mut transaction_arg: crate::c_t impl Clone for BuiltCommitmentTransaction { fn clone(&self) -> Self { Self { - inner: if <*mut nativeBuiltCommitmentTransaction>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeBuiltCommitmentTransaction>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -1385,10 +1565,39 @@ impl ClosingTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeClosingTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } +impl Clone for ClosingTransaction { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeClosingTransaction>::is_null(self.inner) { core::ptr::null_mut() } else { + ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, + is_owned: true, + } + } +} +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn ClosingTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeClosingTransaction)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the ClosingTransaction +pub extern "C" fn ClosingTransaction_clone(orig: &ClosingTransaction) -> ClosingTransaction { + orig.clone() +} +/// Checks if two ClosingTransactions contain equal inner contents. +#[no_mangle] +pub extern "C" fn ClosingTransaction_hash(o: &ClosingTransaction) -> u64 { + if o.inner.is_null() { return 0; } + // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core + #[allow(deprecated)] + let mut hasher = core::hash::SipHasher::new(); + core::hash::Hash::hash(o.get_native_ref(), &mut hasher); + core::hash::Hasher::finish(&hasher) +} /// Construct an object of the class #[must_use] #[no_mangle] @@ -1508,7 +1717,7 @@ impl TrustedClosingTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeTrustedClosingTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -1591,14 +1800,14 @@ impl CommitmentTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeCommitmentTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } impl Clone for CommitmentTransaction { fn clone(&self) -> Self { Self { - inner: if <*mut nativeCommitmentTransaction>::is_null(self.inner) { std::ptr::null_mut() } else { + inner: if <*mut nativeCommitmentTransaction>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -1741,7 +1950,7 @@ impl TrustedCommitmentTransaction { pub(crate) fn take_inner(mut self) -> *mut nativeTrustedCommitmentTransaction { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); - self.inner = std::ptr::null_mut(); + self.inner = core::ptr::null_mut(); ret } } @@ -1769,10 +1978,20 @@ pub extern "C" fn TrustedCommitmentTransaction_keys(this_arg: &TrustedCommitment crate::lightning::ln::chan_utils::TxCreationKeys { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::chan_utils::TxCreationKeys<>) as *mut _) }, is_owned: false } } +/// Should anchors be used. +#[must_use] +#[no_mangle] +pub extern "C" fn TrustedCommitmentTransaction_opt_anchors(this_arg: &TrustedCommitmentTransaction) -> bool { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors(); + ret +} + /// 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. +/// +/// This function is only valid in the holder commitment context, it always uses SigHashType::All. #[must_use] #[no_mangle] pub extern "C" fn TrustedCommitmentTransaction_get_htlc_sigs(this_arg: &TrustedCommitmentTransaction, htlc_base_key: *const [u8; 32], channel_parameters: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ {