--- /dev/null
+// This file is Copyright its original authors, visible in version control
+// history and in the source files from which this was generated.
+//
+// This file is licensed under the license available in the LICENSE or LICENSE.md
+// file in the root of this repository or, if no such file exists, the same
+// license as that which applies to the original source files from which this
+// source was automatically generated.
+
+//! Defines ECDSA-specific signer types.
+
+use alloc::str::FromStr;
+use alloc::string::String;
+use core::ffi::c_void;
+use core::convert::Infallible;
+use bitcoin::hashes::Hash;
+use crate::c_types::*;
+#[cfg(feature="no-std")]
+use alloc::{vec::Vec, boxed::Box};
+
+/// 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 outbound and inbound HTLCs that were fulfilled since the last commitment
+ /// are provided. A validating signer should ensure that an outbound HTLC output is removed
+ /// only when the matching preimage is provided and after the corresponding inbound HTLC has
+ /// been removed for forwarded payments.
+ ///
+ /// Note that all the relevant preimages will be provided, but there may also be additional
+ /// irrelevant or duplicate preimages.
+ pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::CommitmentTransaction, inbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ, outbound_htlc_preimages: crate::c_types::derived::CVec_ThirtyTwoBytesZ) -> crate::c_types::derived::CResult_C2Tuple_ECDSASignatureCVec_ECDSASignatureZZNoneZ,
+ /// Creates a signature for a holder's commitment transaction.
+ ///
+ /// This will be called
+ /// - with a non-revoked `commitment_tx`.
+ /// - with the latest `commitment_tx` when we initiate a force-close.
+ ///
+ /// This may be called multiple times for the same transaction.
+ ///
+ /// An external signer implementation should check that the commitment has not been revoked.
+ pub sign_holder_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ,
+ /// 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 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 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).
+ 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_ECDSASignatureNoneZ,
+ /// 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), thus changing the format of the witness script
+ /// (which is committed to in the BIP 143 signatures).
+ 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_ECDSASignatureNoneZ,
+ /// Computes the signature for a commitment transaction's HTLC output used as an input within
+ /// `htlc_tx`, which spends the commitment transaction at index `input`. The signature returned
+ /// must be be computed using [`EcdsaSighashType::All`].
+ ///
+ /// Note that this may be called for HTLCs in the penultimate commitment transaction if a
+ /// [`ChannelMonitor`] [replica](https://github.com/lightningdevkit/rust-lightning/blob/main/GLOSSARY.md#monitor-replicas)
+ /// broadcasts it before receiving the update for the latest commitment transaction.
+ ///
+ /// [`EcdsaSighashType::All`]: bitcoin::sighash::EcdsaSighashType::All
+ /// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
+ pub sign_holder_htlc_transaction: extern "C" fn (this_arg: *const c_void, htlc_tx: crate::c_types::Transaction, input: usize, htlc_descriptor: &crate::lightning::sign::HTLCDescriptor) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ,
+ /// Create a signature for a claiming transaction for a HTLC output on a counterparty's commitment
+ /// transaction, either offered or received.
+ ///
+ /// Such a transaction may claim multiples offered outputs at same time if we know the
+ /// preimage for each when we create it, but only 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.
+ ///
+ /// `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.
+ ///
+ /// `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.
+ pub sign_counterparty_htlc_transaction: extern "C" fn (this_arg: *const c_void, htlc_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_point: crate::c_types::PublicKey, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_ECDSASignatureNoneZ,
+ /// Create a signature for a (proposed) closing transaction.
+ ///
+ /// Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have
+ /// chosen to forgo their output as dust.
+ 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_ECDSASignatureNoneZ,
+ /// 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`.
+ 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_ECDSASignatureNoneZ,
+ /// 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.
+ ///
+ /// [`NodeSigner::sign_gossip_message`]: crate::sign::NodeSigner::sign_gossip_message
+ 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_ECDSASignatureNoneZ,
+ /// Implementation of ChannelSigner for this object.
+ pub ChannelSigner: crate::lightning::sign::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<extern "C" fn(this_arg: *mut c_void)>,
+}
+unsafe impl Send for EcdsaChannelSigner {}
+unsafe impl Sync for EcdsaChannelSigner {}
+#[allow(unused)]
+pub(crate) fn EcdsaChannelSigner_clone_fields(orig: &EcdsaChannelSigner) -> EcdsaChannelSigner {
+ EcdsaChannelSigner {
+ this_arg: orig.this_arg,
+ sign_counterparty_commitment: Clone::clone(&orig.sign_counterparty_commitment),
+ sign_holder_commitment: Clone::clone(&orig.sign_holder_commitment),
+ sign_justice_revoked_output: Clone::clone(&orig.sign_justice_revoked_output),
+ sign_justice_revoked_htlc: Clone::clone(&orig.sign_justice_revoked_htlc),
+ sign_holder_htlc_transaction: Clone::clone(&orig.sign_holder_htlc_transaction),
+ 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::sign::ChannelSigner_clone_fields(&orig.ChannelSigner),
+ free: Clone::clone(&orig.free),
+ }
+}
+impl lightning::sign::ChannelSigner for EcdsaChannelSigner {
+ fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> 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.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 outbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>) -> Result<(), ()> {
+ let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.drain(..) { local_outbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut ret = (self.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_outbound_htlc_preimages.into());
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
+ local_ret
+ }
+ fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> {
+ let mut ret = (self.ChannelSigner.validate_counterparty_revocation)(self.ChannelSigner.this_arg, idx, secret.as_ref());
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
+ local_ret
+ }
+ fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
+ if let Some(f) = self.ChannelSigner.set_pubkeys {
+ (f)(&self.ChannelSigner);
+ }
+ unsafe { &*self.ChannelSigner.pubkeys.get() }.get_native_ref()
+ }
+ fn channel_keys_id(&self) -> [u8; 32] {
+ let mut ret = (self.ChannelSigner.channel_keys_id)(self.ChannelSigner.this_arg);
+ ret.data
+ }
+ 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::sign::ecdsa::EcdsaChannelSigner as rustEcdsaChannelSigner;
+impl rustEcdsaChannelSigner for EcdsaChannelSigner {
+ fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut inbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>, mut outbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
+ let mut local_inbound_htlc_preimages = Vec::new(); for mut item in inbound_htlc_preimages.drain(..) { local_inbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.drain(..) { local_outbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut ret = (self.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_inbound_htlc_preimages.into(), local_outbound_htlc_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(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ let mut ret = (self.sign_holder_commitment)(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( { (*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_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<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_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<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_holder_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut htlc_descriptor: &lightning::sign::HTLCDescriptor, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ let mut ret = (self.sign_holder_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, &crate::lightning::sign::HTLCDescriptor { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc_descriptor as *const lightning::sign::HTLCDescriptor<>) 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::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_closing_transaction(&self, mut closing_tx: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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 sign_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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 core::ops::Deref for EcdsaChannelSigner {
+ type Target = Self;
+ fn deref(&self) -> &Self {
+ self
+ }
+}
+impl core::ops::DerefMut for EcdsaChannelSigner {
+ fn deref_mut(&mut self) -> &mut Self {
+ self
+ }
+}
+/// Calls the free function if one is set
+#[no_mangle]
+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 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`].
+///
+/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+/// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
+#[repr(C)]
+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 EcdsaChannelSigner for this object.
+ pub EcdsaChannelSigner: crate::lightning::sign::ecdsa::EcdsaChannelSigner,
+ /// Serialize the object into a byte array
+ pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z,
+ /// Called, if set, after this WriteableEcdsaChannelSigner has been cloned into a duplicate object.
+ /// The new WriteableEcdsaChannelSigner is provided, and should be mutated as needed to perform a
+ /// deep copy of the object pointed to by this_arg or avoid any double-freeing.
+ pub cloned: Option<extern "C" fn (new_WriteableEcdsaChannelSigner: &mut WriteableEcdsaChannelSigner)>,
+ /// 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<extern "C" fn(this_arg: *mut c_void)>,
+}
+unsafe impl Send for WriteableEcdsaChannelSigner {}
+unsafe impl Sync for WriteableEcdsaChannelSigner {}
+#[allow(unused)]
+pub(crate) fn WriteableEcdsaChannelSigner_clone_fields(orig: &WriteableEcdsaChannelSigner) -> WriteableEcdsaChannelSigner {
+ WriteableEcdsaChannelSigner {
+ this_arg: orig.this_arg,
+ EcdsaChannelSigner: crate::lightning::sign::ecdsa::EcdsaChannelSigner_clone_fields(&orig.EcdsaChannelSigner),
+ write: Clone::clone(&orig.write),
+ cloned: Clone::clone(&orig.cloned),
+ free: Clone::clone(&orig.free),
+ }
+}
+impl lightning::sign::ecdsa::EcdsaChannelSigner for WriteableEcdsaChannelSigner {
+ fn sign_counterparty_commitment(&self, mut commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, mut inbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>, mut outbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<(bitcoin::secp256k1::ecdsa::Signature, Vec<bitcoin::secp256k1::ecdsa::Signature>), ()> {
+ let mut local_inbound_htlc_preimages = Vec::new(); for mut item in inbound_htlc_preimages.drain(..) { local_inbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.drain(..) { local_outbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut ret = (self.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_inbound_htlc_preimages.into(), local_outbound_htlc_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(&self, mut commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ let mut ret = (self.EcdsaChannelSigner.sign_holder_commitment)(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( { (*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_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<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_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<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_holder_htlc_transaction(&self, mut htlc_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut htlc_descriptor: &lightning::sign::HTLCDescriptor, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ let mut ret = (self.EcdsaChannelSigner.sign_holder_htlc_transaction)(self.EcdsaChannelSigner.this_arg, crate::c_types::Transaction::from_bitcoin(htlc_tx), input, &crate::lightning::sign::HTLCDescriptor { inner: unsafe { ObjOps::nonnull_ptr_to_inner((htlc_descriptor as *const lightning::sign::HTLCDescriptor<>) 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::PublicKey, mut htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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: &lightning::ln::chan_utils::ClosingTransaction, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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_holder_anchor_input(&self, mut anchor_tx: &bitcoin::blockdata::transaction::Transaction, mut input: usize, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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 sign_channel_announcement_with_funding_key(&self, mut msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> Result<bitcoin::secp256k1::ecdsa::Signature, ()> {
+ 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::sign::ChannelSigner for WriteableEcdsaChannelSigner {
+ fn get_per_commitment_point(&self, mut idx: u64, mut _secp_ctx: &bitcoin::secp256k1::Secp256k1<bitcoin::secp256k1::All>) -> 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 outbound_htlc_preimages: Vec<lightning::ln::PaymentPreimage>) -> Result<(), ()> {
+ let mut local_outbound_htlc_preimages = Vec::new(); for mut item in outbound_htlc_preimages.drain(..) { local_outbound_htlc_preimages.push( { crate::c_types::ThirtyTwoBytes { data: item.0 } }); };
+ let mut ret = (self.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_outbound_htlc_preimages.into());
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
+ local_ret
+ }
+ fn validate_counterparty_revocation(&self, mut idx: u64, mut secret: &bitcoin::secp256k1::SecretKey) -> Result<(), ()> {
+ let mut ret = (self.EcdsaChannelSigner.ChannelSigner.validate_counterparty_revocation)(self.EcdsaChannelSigner.ChannelSigner.this_arg, idx, secret.as_ref());
+ let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })};
+ local_ret
+ }
+ fn pubkeys(&self) -> &lightning::ln::chan_utils::ChannelPublicKeys {
+ if let Some(f) = self.EcdsaChannelSigner.ChannelSigner.set_pubkeys {
+ (f)(&self.EcdsaChannelSigner.ChannelSigner);
+ }
+ unsafe { &*self.EcdsaChannelSigner.ChannelSigner.pubkeys.get() }.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 WriteableEcdsaChannelSigner {
+ fn write<W: lightning::util::ser::Writer>(&self, w: &mut W) -> Result<(), crate::c_types::io::Error> {
+ let vec = (self.write)(self.this_arg);
+ w.write_all(vec.as_slice())
+ }
+}
+#[no_mangle]
+/// Creates a copy of a WriteableEcdsaChannelSigner
+pub extern "C" fn WriteableEcdsaChannelSigner_clone(orig: &WriteableEcdsaChannelSigner) -> WriteableEcdsaChannelSigner {
+ let mut res = WriteableEcdsaChannelSigner_clone_fields(orig);
+ if let Some(f) = orig.cloned { (f)(&mut res) };
+ res
+}
+impl Clone for WriteableEcdsaChannelSigner {
+ fn clone(&self) -> Self {
+ WriteableEcdsaChannelSigner_clone(self)
+ }
+}
+
+use lightning::sign::ecdsa::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
+ }
+}
+impl core::ops::DerefMut for WriteableEcdsaChannelSigner {
+ fn deref_mut(&mut self) -> &mut Self {
+ self
+ }
+}
+/// Calls the free function if one is set
+#[no_mangle]
+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);
+ }
+ }
+}
projects / ldk-c-bindings / blobdiff