X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Fchain%2Fkeysinterface.rs;h=5cac8a643a3156035edcedce4b093a8bd90edf1d;hb=64aa8baf988382bd9612660112a35822f6577a72;hp=9cc9360bde9a3e158f941f5a7f359033c0a08b90;hpb=253af8dd617161b2bd79173f9da3ecc0b0991f7e;p=rust-lightning diff --git a/lightning-c-bindings/src/chain/keysinterface.rs b/lightning-c-bindings/src/chain/keysinterface.rs index 9cc9360b..5cac8a64 100644 --- a/lightning-c-bindings/src/chain/keysinterface.rs +++ b/lightning-c-bindings/src/chain/keysinterface.rs @@ -37,15 +37,15 @@ pub enum SpendableOutputDescriptor { /// it is an output from an old state which we broadcast (which should never happen). /// /// To derive the delayed_payment key which is used to sign for this input, you must pass the - /// local delayed_payment_base_key (ie the private key which corresponds to the pubkey in + /// holder delayed_payment_base_key (ie the private key which corresponds to the pubkey in /// ChannelKeys::pubkeys().delayed_payment_basepoint) and the provided per_commitment_point to /// chan_utils::derive_private_key. The public key can be generated without the secret key /// using chan_utils::derive_public_key and only the delayed_payment_basepoint which appears in /// ChannelKeys::pubkeys(). /// - /// To derive the remote_revocation_pubkey provided here (which is used in the witness - /// script generation), you must pass the remote revocation_basepoint (which appears in the - /// call to ChannelKeys::on_accept) and the provided per_commitment point + /// To derive the revocation_pubkey provided here (which is used in the witness + /// script generation), you must pass the counterparty revocation_basepoint (which appears in the + /// call to ChannelKeys::ready_channel) and the provided per_commitment point /// to chan_utils::derive_public_revocation_key. /// /// The witness script which is hashed and included in the output script_pubkey may be @@ -58,7 +58,7 @@ pub enum SpendableOutputDescriptor { to_self_delay: u16, output: crate::c_types::TxOut, key_derivation_params: crate::c_types::derived::C2Tuple_u64u64Z, - remote_revocation_pubkey: crate::c_types::PublicKey, + revocation_pubkey: crate::c_types::PublicKey, }, /// An output to a P2WPKH, spendable exclusively by our payment key (ie the private key which /// corresponds to the public key in ChannelKeys::pubkeys().payment_point). @@ -67,7 +67,7 @@ pub enum SpendableOutputDescriptor { /// /// These are generally the result of our counterparty having broadcast the current state, /// allowing us to claim the non-HTLC-encumbered outputs immediately. - StaticOutputRemotePayment { + StaticOutputCounterpartyPayment { outpoint: crate::chain::transaction::OutPoint, output: crate::c_types::TxOut, key_derivation_params: crate::c_types::derived::C2Tuple_u64u64Z, @@ -82,34 +82,34 @@ impl SpendableOutputDescriptor { let mut outpoint_nonref = (*outpoint).clone(); let mut output_nonref = (*output).clone(); nativeSpendableOutputDescriptor::StaticOutput { - outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_ptr()) }, + outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) }, output: output_nonref.into_rust(), } }, - SpendableOutputDescriptor::DynamicOutputP2WSH {ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref remote_revocation_pubkey, } => { + SpendableOutputDescriptor::DynamicOutputP2WSH {ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref revocation_pubkey, } => { let mut outpoint_nonref = (*outpoint).clone(); let mut per_commitment_point_nonref = (*per_commitment_point).clone(); let mut to_self_delay_nonref = (*to_self_delay).clone(); let mut output_nonref = (*output).clone(); let mut key_derivation_params_nonref = (*key_derivation_params).clone(); let (mut orig_key_derivation_params_nonref_0, mut orig_key_derivation_params_nonref_1) = key_derivation_params_nonref.to_rust(); let mut local_key_derivation_params_nonref = (orig_key_derivation_params_nonref_0, orig_key_derivation_params_nonref_1); - let mut remote_revocation_pubkey_nonref = (*remote_revocation_pubkey).clone(); + let mut revocation_pubkey_nonref = (*revocation_pubkey).clone(); nativeSpendableOutputDescriptor::DynamicOutputP2WSH { - outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_ptr()) }, + outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) }, per_commitment_point: per_commitment_point_nonref.into_rust(), to_self_delay: to_self_delay_nonref, output: output_nonref.into_rust(), key_derivation_params: local_key_derivation_params_nonref, - remote_revocation_pubkey: remote_revocation_pubkey_nonref.into_rust(), + revocation_pubkey: revocation_pubkey_nonref.into_rust(), } }, - SpendableOutputDescriptor::StaticOutputRemotePayment {ref outpoint, ref output, ref key_derivation_params, } => { + SpendableOutputDescriptor::StaticOutputCounterpartyPayment {ref outpoint, ref output, ref key_derivation_params, } => { let mut outpoint_nonref = (*outpoint).clone(); let mut output_nonref = (*output).clone(); let mut key_derivation_params_nonref = (*key_derivation_params).clone(); let (mut orig_key_derivation_params_nonref_0, mut orig_key_derivation_params_nonref_1) = key_derivation_params_nonref.to_rust(); let mut local_key_derivation_params_nonref = (orig_key_derivation_params_nonref_0, orig_key_derivation_params_nonref_1); - nativeSpendableOutputDescriptor::StaticOutputRemotePayment { - outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_ptr()) }, + nativeSpendableOutputDescriptor::StaticOutputCounterpartyPayment { + outpoint: *unsafe { Box::from_raw(outpoint_nonref.take_inner()) }, output: output_nonref.into_rust(), key_derivation_params: local_key_derivation_params_nonref, } @@ -121,25 +121,25 @@ impl SpendableOutputDescriptor { match self { SpendableOutputDescriptor::StaticOutput {mut outpoint, mut output, } => { nativeSpendableOutputDescriptor::StaticOutput { - outpoint: *unsafe { Box::from_raw(outpoint.take_ptr()) }, + outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) }, output: output.into_rust(), } }, - SpendableOutputDescriptor::DynamicOutputP2WSH {mut outpoint, mut per_commitment_point, mut to_self_delay, mut output, mut key_derivation_params, mut remote_revocation_pubkey, } => { + SpendableOutputDescriptor::DynamicOutputP2WSH {mut outpoint, mut per_commitment_point, mut to_self_delay, mut output, mut key_derivation_params, mut revocation_pubkey, } => { let (mut orig_key_derivation_params_0, mut orig_key_derivation_params_1) = key_derivation_params.to_rust(); let mut local_key_derivation_params = (orig_key_derivation_params_0, orig_key_derivation_params_1); nativeSpendableOutputDescriptor::DynamicOutputP2WSH { - outpoint: *unsafe { Box::from_raw(outpoint.take_ptr()) }, + outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) }, per_commitment_point: per_commitment_point.into_rust(), to_self_delay: to_self_delay, output: output.into_rust(), key_derivation_params: local_key_derivation_params, - remote_revocation_pubkey: remote_revocation_pubkey.into_rust(), + revocation_pubkey: revocation_pubkey.into_rust(), } }, - SpendableOutputDescriptor::StaticOutputRemotePayment {mut outpoint, mut output, mut key_derivation_params, } => { + SpendableOutputDescriptor::StaticOutputCounterpartyPayment {mut outpoint, mut output, mut key_derivation_params, } => { let (mut orig_key_derivation_params_0, mut orig_key_derivation_params_1) = key_derivation_params.to_rust(); let mut local_key_derivation_params = (orig_key_derivation_params_0, orig_key_derivation_params_1); - nativeSpendableOutputDescriptor::StaticOutputRemotePayment { - outpoint: *unsafe { Box::from_raw(outpoint.take_ptr()) }, + nativeSpendableOutputDescriptor::StaticOutputCounterpartyPayment { + outpoint: *unsafe { Box::from_raw(outpoint.take_inner()) }, output: output.into_rust(), key_derivation_params: local_key_derivation_params, } @@ -157,29 +157,29 @@ impl SpendableOutputDescriptor { output: crate::c_types::TxOut::from_rust(output_nonref), } }, - nativeSpendableOutputDescriptor::DynamicOutputP2WSH {ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref remote_revocation_pubkey, } => { + nativeSpendableOutputDescriptor::DynamicOutputP2WSH {ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref revocation_pubkey, } => { let mut outpoint_nonref = (*outpoint).clone(); let mut per_commitment_point_nonref = (*per_commitment_point).clone(); let mut to_self_delay_nonref = (*to_self_delay).clone(); let mut output_nonref = (*output).clone(); let mut key_derivation_params_nonref = (*key_derivation_params).clone(); let (mut orig_key_derivation_params_nonref_0, mut orig_key_derivation_params_nonref_1) = key_derivation_params_nonref; let mut local_key_derivation_params_nonref = (orig_key_derivation_params_nonref_0, orig_key_derivation_params_nonref_1).into(); - let mut remote_revocation_pubkey_nonref = (*remote_revocation_pubkey).clone(); + let mut revocation_pubkey_nonref = (*revocation_pubkey).clone(); SpendableOutputDescriptor::DynamicOutputP2WSH { outpoint: crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint_nonref)), is_owned: true }, per_commitment_point: crate::c_types::PublicKey::from_rust(&per_commitment_point_nonref), to_self_delay: to_self_delay_nonref, output: crate::c_types::TxOut::from_rust(output_nonref), key_derivation_params: local_key_derivation_params_nonref, - remote_revocation_pubkey: crate::c_types::PublicKey::from_rust(&remote_revocation_pubkey_nonref), + revocation_pubkey: crate::c_types::PublicKey::from_rust(&revocation_pubkey_nonref), } }, - nativeSpendableOutputDescriptor::StaticOutputRemotePayment {ref outpoint, ref output, ref key_derivation_params, } => { + nativeSpendableOutputDescriptor::StaticOutputCounterpartyPayment {ref outpoint, ref output, ref key_derivation_params, } => { let mut outpoint_nonref = (*outpoint).clone(); let mut output_nonref = (*output).clone(); let mut key_derivation_params_nonref = (*key_derivation_params).clone(); let (mut orig_key_derivation_params_nonref_0, mut orig_key_derivation_params_nonref_1) = key_derivation_params_nonref; let mut local_key_derivation_params_nonref = (orig_key_derivation_params_nonref_0, orig_key_derivation_params_nonref_1).into(); - SpendableOutputDescriptor::StaticOutputRemotePayment { + SpendableOutputDescriptor::StaticOutputCounterpartyPayment { outpoint: crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint_nonref)), is_owned: true }, output: crate::c_types::TxOut::from_rust(output_nonref), key_derivation_params: local_key_derivation_params_nonref, @@ -196,7 +196,7 @@ impl SpendableOutputDescriptor { output: crate::c_types::TxOut::from_rust(output), } }, - nativeSpendableOutputDescriptor::DynamicOutputP2WSH {mut outpoint, mut per_commitment_point, mut to_self_delay, mut output, mut key_derivation_params, mut remote_revocation_pubkey, } => { + nativeSpendableOutputDescriptor::DynamicOutputP2WSH {mut outpoint, mut per_commitment_point, mut to_self_delay, mut output, mut key_derivation_params, mut revocation_pubkey, } => { let (mut orig_key_derivation_params_0, mut orig_key_derivation_params_1) = key_derivation_params; let mut local_key_derivation_params = (orig_key_derivation_params_0, orig_key_derivation_params_1).into(); SpendableOutputDescriptor::DynamicOutputP2WSH { outpoint: crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint)), is_owned: true }, @@ -204,12 +204,12 @@ impl SpendableOutputDescriptor { to_self_delay: to_self_delay, output: crate::c_types::TxOut::from_rust(output), key_derivation_params: local_key_derivation_params, - remote_revocation_pubkey: crate::c_types::PublicKey::from_rust(&remote_revocation_pubkey), + revocation_pubkey: crate::c_types::PublicKey::from_rust(&revocation_pubkey), } }, - nativeSpendableOutputDescriptor::StaticOutputRemotePayment {mut outpoint, mut output, mut key_derivation_params, } => { + nativeSpendableOutputDescriptor::StaticOutputCounterpartyPayment {mut outpoint, mut output, mut key_derivation_params, } => { let (mut orig_key_derivation_params_0, mut orig_key_derivation_params_1) = key_derivation_params; let mut local_key_derivation_params = (orig_key_derivation_params_0, orig_key_derivation_params_1).into(); - SpendableOutputDescriptor::StaticOutputRemotePayment { + SpendableOutputDescriptor::StaticOutputCounterpartyPayment { outpoint: crate::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(outpoint)), is_owned: true }, output: crate::c_types::TxOut::from_rust(output), key_derivation_params: local_key_derivation_params, @@ -220,6 +220,20 @@ impl SpendableOutputDescriptor { } #[no_mangle] pub extern "C" fn SpendableOutputDescriptor_free(this_ptr: SpendableOutputDescriptor) { } +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_clone(orig: &SpendableOutputDescriptor) -> SpendableOutputDescriptor { + orig.clone() +} +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_write(obj: &SpendableOutputDescriptor) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(&unsafe { &*obj }.to_native()) +} +#[no_mangle] +pub extern "C" fn SpendableOutputDescriptor_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_SpendableOutputDescriptorDecodeErrorZ { + let res = crate::c_types::deserialize_obj(ser); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::chain::keysinterface::SpendableOutputDescriptor::native_into(o) }), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }) }; + local_res +} /// Set of lightning keys needed to operate a channel as described in BOLT 3. /// /// Signing services could be implemented on a hardware wallet. In this case, @@ -261,7 +275,7 @@ pub struct ChannelKeys { /// TODO: return a Result so we can signal a validation error #[must_use] pub release_commitment_secret: extern "C" fn (this_arg: *const c_void, idx: u64) -> crate::c_types::ThirtyTwoBytes, - /// Gets the local channel public keys and basepoints + /// Gets the holder's channel public keys and basepoints pub pubkeys: crate::ln::chan_utils::ChannelPublicKeys, /// Fill in the pubkeys field as a reference to it will be given to Rust after this returns /// Note that this takes a pointer to this object, not the this_ptr like other methods do @@ -272,32 +286,24 @@ pub struct ChannelKeys { /// ChannelKeys object uniquely and lookup or re-derive its keys. #[must_use] pub key_derivation_params: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::C2Tuple_u64u64Z, - /// Create a signature for a remote commitment transaction and associated HTLC transactions. + /// 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. #[must_use] - pub sign_remote_commitment: extern "C" fn (this_arg: *const c_void, feerate_per_kw: u32, commitment_tx: crate::c_types::Transaction, keys: &crate::ln::chan_utils::PreCalculatedTxCreationKeys, htlcs: crate::c_types::derived::CVec_HTLCOutputInCommitmentZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, - /// Create a signature for a local commitment transaction. This will only ever be called with - /// the same local_commitment_tx (or a copy thereof), though there are currently no guarantees - /// that it will not be called multiple times. - /// An external signer implementation should check that the commitment has not been revoked. - #[must_use] - pub sign_local_commitment: extern "C" fn (this_arg: *const c_void, local_commitment_tx: &crate::ln::chan_utils::LocalCommitmentTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ, - /// Create a signature for each HTLC transaction spending a local commitment transaction. + pub sign_counterparty_commitment: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, + /// Create a signatures for a holder's commitment transaction and its claiming HTLC transactions. + /// This will only ever be called with a non-revoked commitment_tx. This will be called with the + /// latest commitment_tx when we initiate a force-close. + /// This will be called with the previous latest, just to get claiming HTLC signatures, if we are + /// reacting to a ChannelMonitor replica that decided to broadcast before it had been updated to + /// the latest. + /// This may be called multiple times for the same transaction. /// - /// Unlike sign_local_commitment, this may be called multiple times with *different* - /// local_commitment_tx values. While this will never be called with a revoked - /// local_commitment_tx, it is possible that it is called with the second-latest - /// local_commitment_tx (only if we haven't yet revoked it) if some watchtower/secondary - /// ChannelMonitor decided to broadcast before it had been updated to the latest. + /// An external signer implementation should check that the commitment has not been revoked. /// - /// Either an Err should be returned, or a Vec with one entry for each HTLC which exists in - /// local_commitment_tx. For those HTLCs which have transaction_output_index set to None - /// (implying they were considered dust at the time the commitment transaction was negotiated), - /// a corresponding None should be included in the return value. All other positions in the - /// return value must contain a signature. + /// May return Err if key derivation fails. Callers, such as ChannelMonitor, will panic in such a case. #[must_use] - pub sign_local_commitment_htlc_transactions: extern "C" fn (this_arg: *const c_void, local_commitment_tx: &crate::ln::chan_utils::LocalCommitmentTransaction) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ, + pub sign_holder_commitment_and_htlcs: extern "C" fn (this_arg: *const c_void, commitment_tx: &crate::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ, /// Create a signature for the given input in a transaction spending an HTLC or commitment /// transaction output when our counterparty broadcasts an old state. /// @@ -309,8 +315,8 @@ pub struct ChannelKeys { /// 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 _local_ secret key and does - /// not allow the spending of any funds by itself (you need our local revocation_secret to do + /// revoked the state which they eventually broadcast. It's not a _holder_ secret key and does + /// not allow the spending of any funds by itself (you need our holder revocation_secret to do /// so). /// /// htlc holds HTLC elements (hash, timelock) if the output being spent is a HTLC output, thus @@ -318,7 +324,7 @@ pub struct ChannelKeys { /// signatures). #[must_use] pub sign_justice_transaction: extern "C" fn (this_arg: *const c_void, justice_tx: crate::c_types::Transaction, input: usize, amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ, - /// Create a signature for a claiming transaction for a HTLC output on a remote commitment + /// 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 @@ -336,7 +342,7 @@ pub struct ChannelKeys { /// channel state keys, which are then included in the witness script and committed to in the /// BIP 143 signature. #[must_use] - pub sign_remote_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::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ, + 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::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ, /// Create a signature for a (proposed) closing transaction. /// /// Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have @@ -351,37 +357,52 @@ pub struct ChannelKeys { /// protocol. #[must_use] pub sign_channel_announcement: extern "C" fn (this_arg: *const c_void, msg: &crate::ln::msgs::UnsignedChannelAnnouncement) -> crate::c_types::derived::CResult_SignatureNoneZ, - /// Set the remote channel basepoints and remote/local to_self_delay. - /// This is done immediately on incoming channels and as soon as the channel is accepted on outgoing channels. + /// Set the counterparty static channel data, including basepoints, + /// counterparty_selected/holder_selected_contest_delay and funding outpoint. + /// This is done as soon as the funding outpoint is known. Since these are static channel data, + /// they MUST NOT be allowed to change to different values once set. + /// + /// channel_parameters.is_populated() MUST be true. /// - /// We bind local_to_self_delay late here for API convenience. + /// We bind holder_selected_contest_delay late here for API convenience. /// /// Will be called before any signatures are applied. - pub on_accept: extern "C" fn (this_arg: *mut c_void, channel_points: &crate::ln::chan_utils::ChannelPublicKeys, remote_to_self_delay: u16, local_to_self_delay: u16), + pub ready_channel: extern "C" fn (this_arg: *mut c_void, channel_parameters: &crate::ln::chan_utils::ChannelTransactionParameters), pub clone: Option *mut c_void>, + pub write: extern "C" fn (this_arg: *const c_void) -> crate::c_types::derived::CVec_u8Z, pub free: Option, } unsafe impl Send for ChannelKeys {} +#[no_mangle] +pub extern "C" fn ChannelKeys_clone(orig: &ChannelKeys) -> ChannelKeys { + ChannelKeys { + this_arg: if let Some(f) = orig.clone { (f)(orig.this_arg) } else { orig.this_arg }, + get_per_commitment_point: orig.get_per_commitment_point.clone(), + release_commitment_secret: orig.release_commitment_secret.clone(), + pubkeys: orig.pubkeys.clone(), + set_pubkeys: orig.set_pubkeys.clone(), + key_derivation_params: orig.key_derivation_params.clone(), + sign_counterparty_commitment: orig.sign_counterparty_commitment.clone(), + sign_holder_commitment_and_htlcs: orig.sign_holder_commitment_and_htlcs.clone(), + sign_justice_transaction: orig.sign_justice_transaction.clone(), + sign_counterparty_htlc_transaction: orig.sign_counterparty_htlc_transaction.clone(), + sign_closing_transaction: orig.sign_closing_transaction.clone(), + sign_channel_announcement: orig.sign_channel_announcement.clone(), + ready_channel: orig.ready_channel.clone(), + clone: orig.clone.clone(), + write: orig.write.clone(), + free: orig.free.clone(), + } +} impl Clone for ChannelKeys { fn clone(&self) -> Self { - Self { - this_arg: if let Some(f) = self.clone { (f)(self.this_arg) } else { self.this_arg }, - get_per_commitment_point: self.get_per_commitment_point.clone(), - release_commitment_secret: self.release_commitment_secret.clone(), - pubkeys: self.pubkeys.clone(), - set_pubkeys: self.set_pubkeys.clone(), - key_derivation_params: self.key_derivation_params.clone(), - sign_remote_commitment: self.sign_remote_commitment.clone(), - sign_local_commitment: self.sign_local_commitment.clone(), - sign_local_commitment_htlc_transactions: self.sign_local_commitment_htlc_transactions.clone(), - sign_justice_transaction: self.sign_justice_transaction.clone(), - sign_remote_htlc_transaction: self.sign_remote_htlc_transaction.clone(), - sign_closing_transaction: self.sign_closing_transaction.clone(), - sign_channel_announcement: self.sign_channel_announcement.clone(), - on_accept: self.on_accept.clone(), - clone: self.clone.clone(), - free: self.free.clone(), - } + ChannelKeys_clone(self) + } +} +impl lightning::util::ser::Writeable for ChannelKeys { + fn write(&self, w: &mut W) -> Result<(), ::std::io::Error> { + let vec = (self.write)(self.this_arg); + w.write_all(vec.as_slice()) } } @@ -406,49 +427,42 @@ impl rustChannelKeys for ChannelKeys { let (mut orig_ret_0, mut orig_ret_1) = ret.to_rust(); let mut local_ret = (orig_ret_0, orig_ret_1); local_ret } - fn sign_remote_commitment(&self, feerate_per_kw: u32, commitment_tx: &bitcoin::blockdata::transaction::Transaction, keys: &lightning::ln::chan_utils::PreCalculatedTxCreationKeys, htlcs: &[&lightning::ln::chan_utils::HTLCOutputInCommitment], _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { - let mut local_commitment_tx = ::bitcoin::consensus::encode::serialize(commitment_tx); - let mut local_htlcs = Vec::new(); for item in htlcs.iter() { local_htlcs.push( { crate::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { ( (&(**item) as *const _) as *mut _) }, is_owned: false } }); }; - let mut ret = (self.sign_remote_commitment)(self.this_arg, feerate_per_kw, crate::c_types::Transaction::from_slice(&local_commitment_tx), &crate::ln::chan_utils::PreCalculatedTxCreationKeys { inner: unsafe { (keys as *const _) as *mut _ }, is_owned: false }, local_htlcs.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(ret.contents.result.take_ptr()) }).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(ret.contents.err.take_ptr()) })*/ })}; - local_ret - } - fn sign_local_commitment(&self, local_commitment_tx: &lightning::ln::chan_utils::LocalCommitmentTransaction, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { - let mut ret = (self.sign_local_commitment)(self.this_arg, &crate::ln::chan_utils::LocalCommitmentTransaction { inner: unsafe { (local_commitment_tx as *const _) as *mut _ }, is_owned: false }); - let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + fn sign_counterparty_commitment(&self, commitment_tx: &lightning::ln::chan_utils::CommitmentTransaction, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { + let mut ret = (self.sign_counterparty_commitment)(self.this_arg, &crate::ln::chan_utils::CommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); + let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } - fn sign_local_commitment_htlc_transactions(&self, local_commitment_tx: &lightning::ln::chan_utils::LocalCommitmentTransaction, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result>, ()> { - let mut ret = (self.sign_local_commitment_htlc_transactions)(self.this_arg, &crate::ln::chan_utils::LocalCommitmentTransaction { inner: unsafe { (local_commitment_tx as *const _) as *mut _ }, is_owned: false }); - let mut local_ret = match ret.result_ok { true => Ok( { let mut local_ret_0 = Vec::new(); for mut item in (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust().drain(..) { local_ret_0.push( { let mut local_ret_0_0 = if item.is_null() { None } else { Some( { item.into_rust() }) }; local_ret_0_0 }); }; local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + fn sign_holder_commitment_and_htlcs(&self, commitment_tx: &lightning::ln::chan_utils::HolderCommitmentTransaction, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result<(bitcoin::secp256k1::Signature, Vec), ()> { + let mut ret = (self.sign_holder_commitment_and_htlcs)(self.this_arg, &crate::ln::chan_utils::HolderCommitmentTransaction { inner: unsafe { (commitment_tx as *const _) as *mut _ }, is_owned: false }); + let mut local_ret = match ret.result_ok { true => Ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).to_rust(); let mut local_orig_ret_0_1 = Vec::new(); for mut item in orig_ret_0_1.into_rust().drain(..) { local_orig_ret_0_1.push( { item.into_rust() }); }; let mut local_ret_0 = (orig_ret_0_0.into_rust(), local_orig_ret_0_1); local_ret_0 }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } fn sign_justice_transaction(&self, justice_tx: &bitcoin::blockdata::transaction::Transaction, input: usize, amount: u64, per_commitment_key: &bitcoin::secp256k1::key::SecretKey, htlc: &Option, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { let mut local_justice_tx = ::bitcoin::consensus::encode::serialize(justice_tx); let mut local_htlc = &crate::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (if htlc.is_none() { std::ptr::null() } else { { (htlc.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false }; - let mut ret = (self.sign_justice_transaction)(self.this_arg, crate::c_types::Transaction::from_slice(&local_justice_tx), input, amount, per_commitment_key.as_ref(), local_htlc); - let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + let mut ret = (self.sign_justice_transaction)(self.this_arg, crate::c_types::Transaction::from_vec(local_justice_tx), input, amount, per_commitment_key.as_ref(), local_htlc); + 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_remote_htlc_transaction(&self, htlc_tx: &bitcoin::blockdata::transaction::Transaction, input: usize, amount: u64, per_commitment_point: &bitcoin::secp256k1::key::PublicKey, htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { + fn sign_counterparty_htlc_transaction(&self, htlc_tx: &bitcoin::blockdata::transaction::Transaction, input: usize, amount: u64, per_commitment_point: &bitcoin::secp256k1::key::PublicKey, htlc: &lightning::ln::chan_utils::HTLCOutputInCommitment, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { let mut local_htlc_tx = ::bitcoin::consensus::encode::serialize(htlc_tx); - let mut ret = (self.sign_remote_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_slice(&local_htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (htlc as *const _) as *mut _ }, is_owned: false }); - let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + let mut ret = (self.sign_counterparty_htlc_transaction)(self.this_arg, crate::c_types::Transaction::from_vec(local_htlc_tx), input, amount, crate::c_types::PublicKey::from_rust(&per_commitment_point), &crate::ln::chan_utils::HTLCOutputInCommitment { inner: unsafe { (htlc as *const _) 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, closing_tx: &bitcoin::blockdata::transaction::Transaction, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { let mut local_closing_tx = ::bitcoin::consensus::encode::serialize(closing_tx); - let mut ret = (self.sign_closing_transaction)(self.this_arg, crate::c_types::Transaction::from_slice(&local_closing_tx)); - let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + let mut ret = (self.sign_closing_transaction)(self.this_arg, crate::c_types::Transaction::from_vec(local_closing_tx)); + let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) })*/ })}; local_ret } fn sign_channel_announcement(&self, msg: &lightning::ln::msgs::UnsignedChannelAnnouncement, _secp_ctx: &bitcoin::secp256k1::Secp256k1) -> Result { let mut ret = (self.sign_channel_announcement)(self.this_arg, &crate::ln::msgs::UnsignedChannelAnnouncement { inner: unsafe { (msg as *const _) as *mut _ }, is_owned: false }); - let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(ret.contents.result.take_ptr()) }).into_rust() }), false => Err( { () /*(*unsafe { Box::from_raw(ret.contents.err.take_ptr()) })*/ })}; + 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 on_accept(&mut self, channel_points: &lightning::ln::chan_utils::ChannelPublicKeys, remote_to_self_delay: u16, local_to_self_delay: u16) { - (self.on_accept)(self.this_arg, &crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { (channel_points as *const _) as *mut _ }, is_owned: false }, remote_to_self_delay, local_to_self_delay) + fn ready_channel(&mut self, channel_parameters: &lightning::ln::chan_utils::ChannelTransactionParameters) { + (self.ready_channel)(self.this_arg, &crate::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { (channel_parameters as *const _) as *mut _ }, is_owned: false }) } } @@ -492,6 +506,14 @@ pub struct KeysInterface { /// persisted anywhere, though they must be unique across restarts. #[must_use] pub get_secure_random_bytes: extern "C" fn (this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes, + /// Reads a `ChanKeySigner` for this `KeysInterface` from the given input stream. + /// This is only called during deserialization of other objects which contain + /// `ChannelKeys`-implementing objects (ie `ChannelMonitor`s and `ChannelManager`s). + /// The bytes are exactly those which `::write()` writes, and + /// contain no versioning scheme. You may wish to include your own version prefix and ensure + /// you've read all of the provided bytes to ensure no corruption occurred. + #[must_use] + pub read_chan_signer: extern "C" fn (this_arg: *const c_void, reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChanKeySignerDecodeErrorZ, pub free: Option, } unsafe impl Send for KeysInterface {} @@ -512,7 +534,7 @@ impl rustKeysInterface for KeysInterface { let mut ret = (self.get_shutdown_pubkey)(self.this_arg); ret.into_rust() } - fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> Self::ChanKeySigner { + fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> crate::chain::keysinterface::ChannelKeys { let mut ret = (self.get_channel_keys)(self.this_arg, inbound, channel_value_satoshis); ret } @@ -520,6 +542,12 @@ impl rustKeysInterface for KeysInterface { let mut ret = (self.get_secure_random_bytes)(self.this_arg); ret.data } + fn read_chan_signer(&self, reader: &[u8]) -> Result { + let mut local_reader = crate::c_types::u8slice::from_slice(reader); + let mut ret = (self.read_chan_signer)(self.this_arg, local_reader); + let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }) }), false => Err( { *unsafe { Box::from_raw((*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).take_inner()) } })}; + local_ret + } } // We're essentially a pointer already, or at least a set of pointers, so allow us to be used @@ -545,10 +573,13 @@ use lightning::chain::keysinterface::InMemoryChannelKeys as nativeInMemoryChanne type nativeInMemoryChannelKeys = nativeInMemoryChannelKeysImport; /// A simple implementation of ChannelKeys that just keeps the private keys in memory. +/// +/// This implementation performs no policy checks and is insufficient by itself as +/// a secure external signer. #[must_use] #[repr(C)] pub struct InMemoryChannelKeys { - /// Nearly everyhwere, inner must be non-null, however in places where + /// 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 nativeInMemoryChannelKeys, pub is_owned: bool, @@ -571,7 +602,7 @@ extern "C" fn InMemoryChannelKeys_free_void(this_ptr: *mut c_void) { #[allow(unused)] /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl InMemoryChannelKeys { - pub(crate) fn take_ptr(mut self) -> *mut nativeInMemoryChannelKeys { + pub(crate) fn take_inner(mut self) -> *mut nativeInMemoryChannelKeys { assert!(self.is_owned); let ret = self.inner; self.inner = std::ptr::null_mut(); @@ -591,6 +622,10 @@ impl Clone for InMemoryChannelKeys { pub(crate) extern "C" fn InMemoryChannelKeys_clone_void(this_ptr: *const c_void) -> *mut c_void { Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeInMemoryChannelKeys)).clone() })) as *mut c_void } +#[no_mangle] +pub extern "C" fn InMemoryChannelKeys_clone(orig: &InMemoryChannelKeys) -> InMemoryChannelKeys { + InMemoryChannelKeys { inner: Box::into_raw(Box::new(unsafe { &*orig.inner }.clone())), is_owned: true } +} /// Private key of anchor tx #[no_mangle] pub extern "C" fn InMemoryChannelKeys_get_funding_key(this_ptr: &InMemoryChannelKeys) -> *const [u8; 32] { @@ -602,46 +637,46 @@ pub extern "C" fn InMemoryChannelKeys_get_funding_key(this_ptr: &InMemoryChannel pub extern "C" fn InMemoryChannelKeys_set_funding_key(this_ptr: &mut InMemoryChannelKeys, mut val: crate::c_types::SecretKey) { unsafe { &mut *this_ptr.inner }.funding_key = val.into_rust(); } -/// Local secret key for blinded revocation pubkey +/// Holder secret key for blinded revocation pubkey #[no_mangle] pub extern "C" fn InMemoryChannelKeys_get_revocation_base_key(this_ptr: &InMemoryChannelKeys) -> *const [u8; 32] { let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.revocation_base_key; (*inner_val).as_ref() } -/// Local secret key for blinded revocation pubkey +/// Holder secret key for blinded revocation pubkey #[no_mangle] pub extern "C" fn InMemoryChannelKeys_set_revocation_base_key(this_ptr: &mut InMemoryChannelKeys, mut val: crate::c_types::SecretKey) { unsafe { &mut *this_ptr.inner }.revocation_base_key = val.into_rust(); } -/// Local secret key used for our balance in remote-broadcasted commitment transactions +/// Holder secret key used for our balance in counterparty-broadcasted commitment transactions #[no_mangle] pub extern "C" fn InMemoryChannelKeys_get_payment_key(this_ptr: &InMemoryChannelKeys) -> *const [u8; 32] { let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.payment_key; (*inner_val).as_ref() } -/// Local secret key used for our balance in remote-broadcasted commitment transactions +/// Holder secret key used for our balance in counterparty-broadcasted commitment transactions #[no_mangle] pub extern "C" fn InMemoryChannelKeys_set_payment_key(this_ptr: &mut InMemoryChannelKeys, mut val: crate::c_types::SecretKey) { unsafe { &mut *this_ptr.inner }.payment_key = val.into_rust(); } -/// Local secret key used in HTLC tx +/// Holder secret key used in HTLC tx #[no_mangle] pub extern "C" fn InMemoryChannelKeys_get_delayed_payment_base_key(this_ptr: &InMemoryChannelKeys) -> *const [u8; 32] { let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.delayed_payment_base_key; (*inner_val).as_ref() } -/// Local secret key used in HTLC tx +/// Holder secret key used in HTLC tx #[no_mangle] pub extern "C" fn InMemoryChannelKeys_set_delayed_payment_base_key(this_ptr: &mut InMemoryChannelKeys, mut val: crate::c_types::SecretKey) { unsafe { &mut *this_ptr.inner }.delayed_payment_base_key = val.into_rust(); } -/// Local htlc secret key used in commitment tx htlc outputs +/// Holder htlc secret key used in commitment tx htlc outputs #[no_mangle] pub extern "C" fn InMemoryChannelKeys_get_htlc_base_key(this_ptr: &InMemoryChannelKeys) -> *const [u8; 32] { let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.htlc_base_key; (*inner_val).as_ref() } -/// Local htlc secret key used in commitment tx htlc outputs +/// Holder htlc secret key used in commitment tx htlc outputs #[no_mangle] pub extern "C" fn InMemoryChannelKeys_set_htlc_base_key(this_ptr: &mut InMemoryChannelKeys, mut val: crate::c_types::SecretKey) { unsafe { &mut *this_ptr.inner }.htlc_base_key = val.into_rust(); @@ -666,40 +701,78 @@ pub extern "C" fn InMemoryChannelKeys_new(mut funding_key: crate::c_types::Secre crate::chain::keysinterface::InMemoryChannelKeys { inner: Box::into_raw(Box::new(ret)), is_owned: true } } -/// Remote pubkeys. -/// Will panic if on_accept wasn't called. +/// Counterparty pubkeys. +/// Will panic if ready_channel wasn't called. #[must_use] #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_remote_pubkeys(this_arg: &InMemoryChannelKeys) -> crate::ln::chan_utils::ChannelPublicKeys { - let mut ret = unsafe { &*this_arg.inner }.remote_pubkeys(); +pub extern "C" fn InMemoryChannelKeys_counterparty_pubkeys(this_arg: &InMemoryChannelKeys) -> crate::ln::chan_utils::ChannelPublicKeys { + let mut ret = unsafe { &*this_arg.inner }.counterparty_pubkeys(); crate::ln::chan_utils::ChannelPublicKeys { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } } -/// The to_self_delay value specified by our counterparty and applied on locally-broadcastable +/// The contest_delay value specified by our counterparty and applied on holder-broadcastable /// transactions, ie the amount of time that we have to wait to recover our funds if we -/// broadcast a transaction. You'll likely want to pass this to the -/// ln::chan_utils::build*_transaction functions when signing local transactions. -/// Will panic if on_accept wasn't called. +/// broadcast a transaction. +/// Will panic if ready_channel wasn't called. #[must_use] #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_remote_to_self_delay(this_arg: &InMemoryChannelKeys) -> u16 { - let mut ret = unsafe { &*this_arg.inner }.remote_to_self_delay(); +pub extern "C" fn InMemoryChannelKeys_counterparty_selected_contest_delay(this_arg: &InMemoryChannelKeys) -> u16 { + let mut ret = unsafe { &*this_arg.inner }.counterparty_selected_contest_delay(); ret } -/// The to_self_delay value specified by us and applied on transactions broadcastable +/// The contest_delay value specified by us and applied on transactions broadcastable /// by our counterparty, ie the amount of time that they have to wait to recover their funds /// if they broadcast a transaction. -/// Will panic if on_accept wasn't called. +/// Will panic if ready_channel wasn't called. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemoryChannelKeys_holder_selected_contest_delay(this_arg: &InMemoryChannelKeys) -> u16 { + let mut ret = unsafe { &*this_arg.inner }.holder_selected_contest_delay(); + ret +} + +/// Whether the holder is the initiator +/// Will panic if ready_channel wasn't called. #[must_use] #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_local_to_self_delay(this_arg: &InMemoryChannelKeys) -> u16 { - let mut ret = unsafe { &*this_arg.inner }.local_to_self_delay(); +pub extern "C" fn InMemoryChannelKeys_is_outbound(this_arg: &InMemoryChannelKeys) -> bool { + let mut ret = unsafe { &*this_arg.inner }.is_outbound(); ret } +/// Funding outpoint +/// Will panic if ready_channel wasn't called. +#[must_use] +#[no_mangle] +pub extern "C" fn InMemoryChannelKeys_funding_outpoint(this_arg: &InMemoryChannelKeys) -> crate::chain::transaction::OutPoint { + let mut ret = unsafe { &*this_arg.inner }.funding_outpoint(); + crate::chain::transaction::OutPoint { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +} + +/// Obtain a ChannelTransactionParameters for this channel, to be used when verifying or +/// building transactions. +/// +/// Will panic if ready_channel wasn't called. +#[must_use] #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_as_ChannelKeys(this_arg: *const InMemoryChannelKeys) -> crate::chain::keysinterface::ChannelKeys { +pub extern "C" fn InMemoryChannelKeys_get_channel_parameters(this_arg: &InMemoryChannelKeys) -> crate::ln::chan_utils::ChannelTransactionParameters { + let mut ret = unsafe { &*this_arg.inner }.get_channel_parameters(); + crate::ln::chan_utils::ChannelTransactionParameters { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +} + +impl From for crate::chain::keysinterface::ChannelKeys { + fn from(obj: nativeInMemoryChannelKeys) -> Self { + let mut rust_obj = InMemoryChannelKeys { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut ret = InMemoryChannelKeys_as_ChannelKeys(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = std::ptr::null_mut(); + ret.free = Some(InMemoryChannelKeys_free_void); + ret + } +} +#[no_mangle] +pub extern "C" fn InMemoryChannelKeys_as_ChannelKeys(this_arg: &InMemoryChannelKeys) -> crate::chain::keysinterface::ChannelKeys { crate::chain::keysinterface::ChannelKeys { this_arg: unsafe { (*this_arg).inner as *mut c_void }, free: None, @@ -709,15 +782,15 @@ pub extern "C" fn InMemoryChannelKeys_as_ChannelKeys(this_arg: *const InMemoryCh pubkeys: crate::ln::chan_utils::ChannelPublicKeys { inner: std::ptr::null_mut(), is_owned: true }, set_pubkeys: Some(InMemoryChannelKeys_ChannelKeys_set_pubkeys), key_derivation_params: InMemoryChannelKeys_ChannelKeys_key_derivation_params, - sign_remote_commitment: InMemoryChannelKeys_ChannelKeys_sign_remote_commitment, - sign_local_commitment: InMemoryChannelKeys_ChannelKeys_sign_local_commitment, - sign_local_commitment_htlc_transactions: InMemoryChannelKeys_ChannelKeys_sign_local_commitment_htlc_transactions, + sign_counterparty_commitment: InMemoryChannelKeys_ChannelKeys_sign_counterparty_commitment, + sign_holder_commitment_and_htlcs: InMemoryChannelKeys_ChannelKeys_sign_holder_commitment_and_htlcs, sign_justice_transaction: InMemoryChannelKeys_ChannelKeys_sign_justice_transaction, - sign_remote_htlc_transaction: InMemoryChannelKeys_ChannelKeys_sign_remote_htlc_transaction, + sign_counterparty_htlc_transaction: InMemoryChannelKeys_ChannelKeys_sign_counterparty_htlc_transaction, sign_closing_transaction: InMemoryChannelKeys_ChannelKeys_sign_closing_transaction, sign_channel_announcement: InMemoryChannelKeys_ChannelKeys_sign_channel_announcement, - on_accept: InMemoryChannelKeys_ChannelKeys_on_accept, + ready_channel: InMemoryChannelKeys_ChannelKeys_ready_channel, clone: Some(InMemoryChannelKeys_clone_void), + write: InMemoryChannelKeys_write_void, } } use lightning::chain::keysinterface::ChannelKeys as ChannelKeysTraitImport; @@ -750,39 +823,32 @@ extern "C" fn InMemoryChannelKeys_ChannelKeys_key_derivation_params(this_arg: *c local_ret } #[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_remote_commitment(this_arg: *const c_void, mut feerate_per_kw: u32, commitment_tx: crate::c_types::Transaction, pre_keys: &crate::ln::chan_utils::PreCalculatedTxCreationKeys, mut htlcs: crate::c_types::derived::CVec_HTLCOutputInCommitmentZ) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { - let mut local_htlcs = Vec::new(); for mut item in htlcs.as_slice().iter() { local_htlcs.push( { unsafe { &*item.inner } }); }; - let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_remote_commitment(feerate_per_kw, &commitment_tx.into_bitcoin(), unsafe { &*pre_keys.inner }, &local_htlcs[..], &bitcoin::secp256k1::Secp256k1::new()); +extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_counterparty_commitment(this_arg: *const c_void, commitment_tx: &crate::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { + let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_counterparty_commitment(unsafe { &*commitment_tx.inner }, &bitcoin::secp256k1::Secp256k1::new()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_orig_ret_0_1 = Vec::new(); for item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret } #[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_local_commitment(this_arg: *const c_void, local_commitment_tx: &crate::ln::chan_utils::LocalCommitmentTransaction) -> crate::c_types::derived::CResult_SignatureNoneZ { - let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_local_commitment(unsafe { &*local_commitment_tx.inner }, &bitcoin::secp256k1::Secp256k1::new()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; - local_ret -} -#[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_local_commitment_htlc_transactions(this_arg: *const c_void, local_commitment_tx: &crate::ln::chan_utils::LocalCommitmentTransaction) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ { - let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_local_commitment_htlc_transactions(unsafe { &*local_commitment_tx.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( { 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*/ }) }; +extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_holder_commitment_and_htlcs(this_arg: *const c_void, commitment_tx: &crate::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ { + let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_holder_commitment_and_htlcs(unsafe { &*commitment_tx.inner }, &bitcoin::secp256k1::Secp256k1::new()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_orig_ret_0_1 = Vec::new(); for item in orig_ret_0_1.drain(..) { local_orig_ret_0_1.push( { crate::c_types::Signature::from_rust(&item) }); }; let mut local_ret_0 = (crate::c_types::Signature::from_rust(&orig_ret_0_0), local_orig_ret_0_1.into()).into(); local_ret_0 }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret } #[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_justice_transaction(this_arg: *const c_void, justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { +extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_justice_transaction(this_arg: *const c_void, mut justice_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_key: *const [u8; 32], htlc: &crate::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { let mut local_htlc = if htlc.inner.is_null() { None } else { Some((* { unsafe { &*htlc.inner } }).clone()) }; let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_justice_transaction(&justice_tx.into_bitcoin(), input, amount, &::bitcoin::secp256k1::key::SecretKey::from_slice(&unsafe { *per_commitment_key}[..]).unwrap(), &local_htlc, &bitcoin::secp256k1::Secp256k1::new()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret } #[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_remote_htlc_transaction(this_arg: *const c_void, htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, per_commitment_point: crate::c_types::PublicKey, htlc: &crate::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { - let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_remote_htlc_transaction(&htlc_tx.into_bitcoin(), input, amount, &per_commitment_point.into_rust(), unsafe { &*htlc.inner }, &bitcoin::secp256k1::Secp256k1::new()); +extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_counterparty_htlc_transaction(this_arg: *const c_void, mut htlc_tx: crate::c_types::Transaction, mut input: usize, mut amount: u64, mut per_commitment_point: crate::c_types::PublicKey, htlc: &crate::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CResult_SignatureNoneZ { + let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_counterparty_htlc_transaction(&htlc_tx.into_bitcoin(), input, amount, &per_commitment_point.into_rust(), unsafe { &*htlc.inner }, &bitcoin::secp256k1::Secp256k1::new()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret } #[must_use] -extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_closing_transaction(this_arg: *const c_void, closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ { +extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_closing_transaction(this_arg: *const c_void, mut closing_tx: crate::c_types::Transaction) -> crate::c_types::derived::CResult_SignatureNoneZ { let mut ret = unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.sign_closing_transaction(&closing_tx.into_bitcoin(), &bitcoin::secp256k1::Secp256k1::new()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret @@ -793,21 +859,23 @@ extern "C" fn InMemoryChannelKeys_ChannelKeys_sign_channel_announcement(this_arg let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Signature::from_rust(&o) }), Err(mut e) => crate::c_types::CResultTempl::err( { 0u8 /*e*/ }) }; local_ret } -extern "C" fn InMemoryChannelKeys_ChannelKeys_on_accept(this_arg: *mut c_void, channel_pubkeys: &crate::ln::chan_utils::ChannelPublicKeys, mut remote_to_self_delay: u16, mut local_to_self_delay: u16) { - unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.on_accept(unsafe { &*channel_pubkeys.inner }, remote_to_self_delay, local_to_self_delay) +extern "C" fn InMemoryChannelKeys_ChannelKeys_ready_channel(this_arg: *mut c_void, channel_parameters: &crate::ln::chan_utils::ChannelTransactionParameters) { + unsafe { &mut *(this_arg as *mut nativeInMemoryChannelKeys) }.ready_channel(unsafe { &*channel_parameters.inner }) } #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_write(obj: *const InMemoryChannelKeys) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &(*(*obj).inner) }) +pub extern "C" fn InMemoryChannelKeys_write(obj: &InMemoryChannelKeys) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner }) } #[no_mangle] -pub extern "C" fn InMemoryChannelKeys_read(ser: crate::c_types::u8slice) -> InMemoryChannelKeys { - if let Ok(res) = crate::c_types::deserialize_obj(ser) { - InMemoryChannelKeys { inner: Box::into_raw(Box::new(res)), is_owned: true } - } else { - InMemoryChannelKeys { inner: std::ptr::null_mut(), is_owned: true } - } +pub(crate) extern "C" fn InMemoryChannelKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeInMemoryChannelKeys) }) +} +#[no_mangle] +pub extern "C" fn InMemoryChannelKeys_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_InMemoryChannelKeysDecodeErrorZ { + let res = crate::c_types::deserialize_obj(ser); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::chain::keysinterface::InMemoryChannelKeys { inner: Box::into_raw(Box::new(o)), is_owned: true } }), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }) }; + local_res } use lightning::chain::keysinterface::KeysManager as nativeKeysManagerImport; @@ -823,7 +891,7 @@ type nativeKeysManager = nativeKeysManagerImport; #[must_use] #[repr(C)] pub struct KeysManager { - /// Nearly everyhwere, inner must be non-null, however in places where + /// Nearly everywhere, inner must be non-null, however in places where /// the Rust equivalent takes an Option, it may be set to null to indicate None. pub inner: *mut nativeKeysManager, pub is_owned: bool, @@ -846,7 +914,7 @@ extern "C" fn KeysManager_free_void(this_ptr: *mut c_void) { #[allow(unused)] /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl KeysManager { - pub(crate) fn take_ptr(mut self) -> *mut nativeKeysManager { + pub(crate) fn take_inner(mut self) -> *mut nativeKeysManager { assert!(self.is_owned); let ret = self.inner; self.inner = std::ptr::null_mut(); @@ -891,8 +959,18 @@ pub extern "C" fn KeysManager_derive_channel_keys(this_arg: &KeysManager, mut ch crate::chain::keysinterface::InMemoryChannelKeys { inner: Box::into_raw(Box::new(ret)), is_owned: true } } +impl From for crate::chain::keysinterface::KeysInterface { + fn from(obj: nativeKeysManager) -> Self { + let mut rust_obj = KeysManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut ret = KeysManager_as_KeysInterface(&rust_obj); + // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn + rust_obj.inner = std::ptr::null_mut(); + ret.free = Some(KeysManager_free_void); + ret + } +} #[no_mangle] -pub extern "C" fn KeysManager_as_KeysInterface(this_arg: *const KeysManager) -> crate::chain::keysinterface::KeysInterface { +pub extern "C" fn KeysManager_as_KeysInterface(this_arg: &KeysManager) -> crate::chain::keysinterface::KeysInterface { crate::chain::keysinterface::KeysInterface { this_arg: unsafe { (*this_arg).inner as *mut c_void }, free: None, @@ -901,6 +979,7 @@ pub extern "C" fn KeysManager_as_KeysInterface(this_arg: *const KeysManager) -> get_shutdown_pubkey: KeysManager_KeysInterface_get_shutdown_pubkey, get_channel_keys: KeysManager_KeysInterface_get_channel_keys, get_secure_random_bytes: KeysManager_KeysInterface_get_secure_random_bytes, + read_chan_signer: KeysManager_KeysInterface_read_chan_signer, } } use lightning::chain::keysinterface::KeysInterface as KeysInterfaceTraitImport; @@ -922,17 +1001,17 @@ extern "C" fn KeysManager_KeysInterface_get_shutdown_pubkey(this_arg: *const c_v #[must_use] extern "C" fn KeysManager_KeysInterface_get_channel_keys(this_arg: *const c_void, mut _inbound: bool, mut channel_value_satoshis: u64) -> crate::chain::keysinterface::ChannelKeys { let mut ret = unsafe { &mut *(this_arg as *mut nativeKeysManager) }.get_channel_keys(_inbound, channel_value_satoshis); - let mut rust_obj = InMemoryChannelKeys { inner: Box::into_raw(Box::new(ret)), is_owned: true }; - let mut ret = InMemoryChannelKeys_as_ChannelKeys(&rust_obj); - // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); - ret.free = Some(InMemoryChannelKeys_free_void); - ret - + ret.into() } #[must_use] extern "C" fn KeysManager_KeysInterface_get_secure_random_bytes(this_arg: *const c_void) -> crate::c_types::ThirtyTwoBytes { let mut ret = unsafe { &mut *(this_arg as *mut nativeKeysManager) }.get_secure_random_bytes(); crate::c_types::ThirtyTwoBytes { data: ret } } +#[must_use] +extern "C" fn KeysManager_KeysInterface_read_chan_signer(this_arg: *const c_void, mut reader: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChanKeySignerDecodeErrorZ { + let mut ret = unsafe { &mut *(this_arg as *mut nativeKeysManager) }.read_chan_signer(reader.to_slice()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { o.into() }), Err(mut e) => crate::c_types::CResultTempl::err( { crate::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }) }; + local_ret +}