Update auto-generated bindings
[ldk-c-bindings] / lightning-c-bindings / src / lightning / ln / chan_utils.rs
index ebfd1299b9eeffda7e3521c01d40cb46e2a9226d..15f1135e913e3450ffe904523e64b3871f9553e2 100644 (file)
@@ -7,9 +7,10 @@
 // source was automatically generated.
 
 //! Various utilities for building scripts and deriving keys related to channels. These are
-//! largely of interest for those implementing the traits on [`chain::keysinterface`] by hand.
+//! largely of interest for those implementing the traits on [`crate::sign`] by hand.
 
 use alloc::str::FromStr;
+use alloc::string::String;
 use core::ffi::c_void;
 use core::convert::Infallible;
 use bitcoin::hashes::Hash;
@@ -35,17 +36,31 @@ pub static OFFERED_HTLC_SCRIPT_WEIGHT_ANCHORS: usize = lightning::ln::chan_utils
 
 #[no_mangle]
 pub static MAX_ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = lightning::ln::chan_utils::MAX_ACCEPTED_HTLC_SCRIPT_WEIGHT;
+/// The upper bound weight of an anchor input.
+
+#[no_mangle]
+pub static ANCHOR_INPUT_WITNESS_WEIGHT: u64 = lightning::ln::chan_utils::ANCHOR_INPUT_WITNESS_WEIGHT;
+/// The upper bound weight of an HTLC timeout input from a commitment transaction with anchor
+/// outputs.
+
+#[no_mangle]
+pub static HTLC_TIMEOUT_INPUT_ANCHOR_WITNESS_WEIGHT: u64 = lightning::ln::chan_utils::HTLC_TIMEOUT_INPUT_ANCHOR_WITNESS_WEIGHT;
+/// The upper bound weight of an HTLC success input from a commitment transaction with anchor
+/// outputs.
+
+#[no_mangle]
+pub static HTLC_SUCCESS_INPUT_ANCHOR_WITNESS_WEIGHT: u64 = lightning::ln::chan_utils::HTLC_SUCCESS_INPUT_ANCHOR_WITNESS_WEIGHT;
 /// Gets the weight for an HTLC-Success transaction.
 #[no_mangle]
-pub extern "C" fn htlc_success_tx_weight(mut opt_anchors: bool) -> u64 {
-       let mut ret = lightning::ln::chan_utils::htlc_success_tx_weight(opt_anchors);
+pub extern "C" fn htlc_success_tx_weight(channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures) -> u64 {
+       let mut ret = lightning::ln::chan_utils::htlc_success_tx_weight(channel_type_features.get_native_ref());
        ret
 }
 
 /// Gets the weight for an HTLC-Timeout transaction.
 #[no_mangle]
-pub extern "C" fn htlc_timeout_tx_weight(mut opt_anchors: bool) -> u64 {
-       let mut ret = lightning::ln::chan_utils::htlc_timeout_tx_weight(opt_anchors);
+pub extern "C" fn htlc_timeout_tx_weight(channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures) -> u64 {
+       let mut ret = lightning::ln::chan_utils::htlc_timeout_tx_weight(channel_type_features.get_native_ref());
        ret
 }
 
@@ -670,6 +685,16 @@ pub(crate) extern "C" fn ChannelPublicKeys_clone_void(this_ptr: *const c_void) -
 pub extern "C" fn ChannelPublicKeys_clone(orig: &ChannelPublicKeys) -> ChannelPublicKeys {
        orig.clone()
 }
+/// Generates a non-cryptographic 64-bit hash of the ChannelPublicKeys.
+#[no_mangle]
+pub extern "C" fn ChannelPublicKeys_hash(o: &ChannelPublicKeys) -> u64 {
+       if o.inner.is_null() { return 0; }
+       // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core
+       #[allow(deprecated)]
+       let mut hasher = core::hash::SipHasher::new();
+       core::hash::Hash::hash(o.get_native_ref(), &mut hasher);
+       core::hash::Hasher::finish(&hasher)
+}
 /// Checks if two ChannelPublicKeyss contain equal inner contents.
 /// This ignores pointers and is_owned flags and looks at the values in fields.
 /// Two objects with NULL inner values will be considered "equal" here.
@@ -726,6 +751,14 @@ pub extern "C" fn get_revokeable_redeemscript(mut revocation_key: crate::c_types
        ret.into_bytes().into()
 }
 
+/// Returns the script for the counterparty's output on a holder's commitment transaction based on
+/// the channel type.
+#[no_mangle]
+pub extern "C" fn get_counterparty_payment_script(channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures, mut payment_key: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
+       let mut ret = lightning::ln::chan_utils::get_counterparty_payment_script(channel_type_features.get_native_ref(), &payment_key.into_rust());
+       ret.into_bytes().into()
+}
+
 
 use lightning::ln::chan_utils::HTLCOutputInCommitment as nativeHTLCOutputInCommitmentImport;
 pub(crate) type nativeHTLCOutputInCommitment = nativeHTLCOutputInCommitmentImport;
@@ -906,8 +939,8 @@ pub extern "C" fn HTLCOutputInCommitment_read(ser: crate::c_types::u8slice) -> c
 /// Gets the witness redeemscript for an HTLC output in a commitment transaction. Note that htlc
 /// does not need to have its previous_output_index filled.
 #[no_mangle]
-pub extern "C" fn get_htlc_redeemscript(htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, mut opt_anchors: bool, keys: &crate::lightning::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z {
-       let mut ret = lightning::ln::chan_utils::get_htlc_redeemscript(htlc.get_native_ref(), opt_anchors, keys.get_native_ref());
+pub extern "C" fn get_htlc_redeemscript(htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures, keys: &crate::lightning::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z {
+       let mut ret = lightning::ln::chan_utils::get_htlc_redeemscript(htlc.get_native_ref(), channel_type_features.get_native_ref(), keys.get_native_ref());
        ret.into_bytes().into()
 }
 
@@ -927,18 +960,16 @@ pub extern "C" fn make_funding_redeemscript(mut broadcaster: crate::c_types::Pub
 /// Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the
 /// commitment transaction).
 #[no_mangle]
-pub extern "C" fn build_htlc_transaction(commitment_txid: *const [u8; 32], mut feerate_per_kw: u32, mut contest_delay: u16, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, mut opt_anchors: bool, mut use_non_zero_fee_anchors: bool, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction {
-       let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*commitment_txid }[..]).unwrap(), feerate_per_kw, contest_delay, htlc.get_native_ref(), opt_anchors, use_non_zero_fee_anchors, &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust());
+pub extern "C" fn build_htlc_transaction(commitment_txid: *const [u8; 32], mut feerate_per_kw: u32, mut contest_delay: u16, htlc: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment, channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction {
+       let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*commitment_txid }[..]).unwrap(), feerate_per_kw, contest_delay, htlc.get_native_ref(), channel_type_features.get_native_ref(), &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust());
        crate::c_types::Transaction::from_bitcoin(&ret)
 }
 
 /// Returns the witness required to satisfy and spend a HTLC input.
-///
-/// Note that preimage (or a relevant inner pointer) may be NULL or all-0s to represent None
 #[no_mangle]
-pub extern "C" fn build_htlc_input_witness(mut local_sig: crate::c_types::Signature, mut remote_sig: crate::c_types::Signature, mut preimage: crate::c_types::ThirtyTwoBytes, mut redeem_script: crate::c_types::u8slice, mut opt_anchors: bool) -> crate::c_types::Witness {
-       let mut local_preimage = if preimage.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentPreimage(preimage.data) }) };
-       let mut ret = lightning::ln::chan_utils::build_htlc_input_witness(&local_sig.into_rust(), &remote_sig.into_rust(), &local_preimage, &::bitcoin::blockdata::script::Script::from(Vec::from(redeem_script.to_slice())), opt_anchors);
+pub extern "C" fn build_htlc_input_witness(mut local_sig: crate::c_types::ECDSASignature, mut remote_sig: crate::c_types::ECDSASignature, mut preimage: crate::c_types::derived::COption_ThirtyTwoBytesZ, mut redeem_script: crate::c_types::u8slice, channel_type_features: &crate::lightning::ln::features::ChannelTypeFeatures) -> crate::c_types::Witness {
+       let mut local_preimage = { /*preimage*/ let preimage_opt = preimage; if preimage_opt.is_none() { None } else { Some({ { ::lightning::ln::PaymentPreimage({ preimage_opt.take() }.data) }})} };
+       let mut ret = lightning::ln::chan_utils::build_htlc_input_witness(&local_sig.into_rust(), &remote_sig.into_rust(), &local_preimage, &::bitcoin::blockdata::script::Script::from(Vec::from(redeem_script.to_slice())), channel_type_features.get_native_ref());
        crate::c_types::Witness::from_bitcoin(&ret)
 }
 
@@ -963,7 +994,7 @@ pub extern "C" fn get_anchor_redeemscript(mut funding_pubkey: crate::c_types::Pu
 
 /// Returns the witness required to satisfy and spend an anchor input.
 #[no_mangle]
-pub extern "C" fn build_anchor_input_witness(mut funding_key: crate::c_types::PublicKey, mut funding_sig: crate::c_types::Signature) -> crate::c_types::Witness {
+pub extern "C" fn build_anchor_input_witness(mut funding_key: crate::c_types::PublicKey, mut funding_sig: crate::c_types::ECDSASignature) -> crate::c_types::Witness {
        let mut ret = lightning::ln::chan_utils::build_anchor_input_witness(&funding_key.into_rust(), &funding_sig.into_rust());
        crate::c_types::Witness::from_bitcoin(&ret)
 }
@@ -1094,54 +1125,35 @@ pub extern "C" fn ChannelTransactionParameters_set_funding_outpoint(this_ptr: &m
        let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) };
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_outpoint = local_val;
 }
-/// Are anchors (zero fee HTLC transaction variant) used for this channel. Boolean is
-/// serialization backwards-compatible.
-#[no_mangle]
-pub extern "C" fn ChannelTransactionParameters_get_opt_anchors(this_ptr: &ChannelTransactionParameters) -> crate::c_types::derived::COption_NoneZ {
-       let mut inner_val = &mut this_ptr.get_native_mut_ref().opt_anchors;
-       let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_NoneZ::None } else { crate::c_types::derived::COption_NoneZ::Some /*  { () /**/ } */ };
-       local_inner_val
-}
-/// Are anchors (zero fee HTLC transaction variant) used for this channel. Boolean is
-/// serialization backwards-compatible.
+/// This channel's type, as negotiated during channel open. For old objects where this field
+/// wasn't serialized, it will default to static_remote_key at deserialization.
 #[no_mangle]
-pub extern "C" fn ChannelTransactionParameters_set_opt_anchors(this_ptr: &mut ChannelTransactionParameters, mut val: crate::c_types::derived::COption_NoneZ) {
-       let mut local_val = if val.is_some() { Some( { () /*val.take()*/ }) } else { None };
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.opt_anchors = local_val;
+pub extern "C" fn ChannelTransactionParameters_get_channel_type_features(this_ptr: &ChannelTransactionParameters) -> crate::lightning::ln::features::ChannelTypeFeatures {
+       let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_type_features;
+       crate::lightning::ln::features::ChannelTypeFeatures { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::features::ChannelTypeFeatures<>) as *mut _) }, is_owned: false }
 }
-/// Are non-zero-fee anchors are enabled (used in conjuction with opt_anchors)
-/// It is intended merely for backwards compatibility with signers that need it.
-/// There is no support for this feature in LDK channel negotiation.
+/// This channel's type, as negotiated during channel open. For old objects where this field
+/// wasn't serialized, it will default to static_remote_key at deserialization.
 #[no_mangle]
-pub extern "C" fn ChannelTransactionParameters_get_opt_non_zero_fee_anchors(this_ptr: &ChannelTransactionParameters) -> crate::c_types::derived::COption_NoneZ {
-       let mut inner_val = &mut this_ptr.get_native_mut_ref().opt_non_zero_fee_anchors;
-       let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_NoneZ::None } else { crate::c_types::derived::COption_NoneZ::Some /*  { () /**/ } */ };
-       local_inner_val
-}
-/// Are non-zero-fee anchors are enabled (used in conjuction with opt_anchors)
-/// It is intended merely for backwards compatibility with signers that need it.
-/// There is no support for this feature in LDK channel negotiation.
-#[no_mangle]
-pub extern "C" fn ChannelTransactionParameters_set_opt_non_zero_fee_anchors(this_ptr: &mut ChannelTransactionParameters, mut val: crate::c_types::derived::COption_NoneZ) {
-       let mut local_val = if val.is_some() { Some( { () /*val.take()*/ }) } else { None };
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.opt_non_zero_fee_anchors = local_val;
+pub extern "C" fn ChannelTransactionParameters_set_channel_type_features(this_ptr: &mut ChannelTransactionParameters, mut val: crate::lightning::ln::features::ChannelTypeFeatures) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_type_features = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Constructs a new ChannelTransactionParameters given each field
+///
+/// Note that counterparty_parameters_arg (or a relevant inner pointer) may be NULL or all-0s to represent None
+/// Note that funding_outpoint_arg (or a relevant inner pointer) may be NULL or all-0s to represent None
 #[must_use]
 #[no_mangle]
-pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::lightning::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut opt_anchors_arg: crate::c_types::derived::COption_NoneZ, mut opt_non_zero_fee_anchors_arg: crate::c_types::derived::COption_NoneZ) -> ChannelTransactionParameters {
+pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::lightning::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut channel_type_features_arg: crate::lightning::ln::features::ChannelTypeFeatures) -> ChannelTransactionParameters {
        let mut local_counterparty_parameters_arg = if counterparty_parameters_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(counterparty_parameters_arg.take_inner()) } }) };
        let mut local_funding_outpoint_arg = if funding_outpoint_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(funding_outpoint_arg.take_inner()) } }) };
-       let mut local_opt_anchors_arg = if opt_anchors_arg.is_some() { Some( { () /*opt_anchors_arg.take()*/ }) } else { None };
-       let mut local_opt_non_zero_fee_anchors_arg = if opt_non_zero_fee_anchors_arg.is_some() { Some( { () /*opt_non_zero_fee_anchors_arg.take()*/ }) } else { None };
        ChannelTransactionParameters { inner: ObjOps::heap_alloc(nativeChannelTransactionParameters {
                holder_pubkeys: *unsafe { Box::from_raw(holder_pubkeys_arg.take_inner()) },
                holder_selected_contest_delay: holder_selected_contest_delay_arg,
                is_outbound_from_holder: is_outbound_from_holder_arg,
                counterparty_parameters: local_counterparty_parameters_arg,
                funding_outpoint: local_funding_outpoint_arg,
-               opt_anchors: local_opt_anchors_arg,
-               opt_non_zero_fee_anchors: local_opt_non_zero_fee_anchors_arg,
+               channel_type_features: *unsafe { Box::from_raw(channel_type_features_arg.take_inner()) },
        }), is_owned: true }
 }
 impl Clone for ChannelTransactionParameters {
@@ -1163,6 +1175,16 @@ pub(crate) extern "C" fn ChannelTransactionParameters_clone_void(this_ptr: *cons
 pub extern "C" fn ChannelTransactionParameters_clone(orig: &ChannelTransactionParameters) -> ChannelTransactionParameters {
        orig.clone()
 }
+/// Generates a non-cryptographic 64-bit hash of the ChannelTransactionParameters.
+#[no_mangle]
+pub extern "C" fn ChannelTransactionParameters_hash(o: &ChannelTransactionParameters) -> u64 {
+       if o.inner.is_null() { return 0; }
+       // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core
+       #[allow(deprecated)]
+       let mut hasher = core::hash::SipHasher::new();
+       core::hash::Hash::hash(o.get_native_ref(), &mut hasher);
+       core::hash::Hasher::finish(&hasher)
+}
 /// Checks if two ChannelTransactionParameterss contain equal inner contents.
 /// This ignores pointers and is_owned flags and looks at the values in fields.
 /// Two objects with NULL inner values will be considered "equal" here.
@@ -1273,6 +1295,16 @@ pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_clone_void(thi
 pub extern "C" fn CounterpartyChannelTransactionParameters_clone(orig: &CounterpartyChannelTransactionParameters) -> CounterpartyChannelTransactionParameters {
        orig.clone()
 }
+/// Generates a non-cryptographic 64-bit hash of the CounterpartyChannelTransactionParameters.
+#[no_mangle]
+pub extern "C" fn CounterpartyChannelTransactionParameters_hash(o: &CounterpartyChannelTransactionParameters) -> u64 {
+       if o.inner.is_null() { return 0; }
+       // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core
+       #[allow(deprecated)]
+       let mut hasher = core::hash::SipHasher::new();
+       core::hash::Hash::hash(o.get_native_ref(), &mut hasher);
+       core::hash::Hasher::finish(&hasher)
+}
 /// Checks if two CounterpartyChannelTransactionParameterss contain equal inner contents.
 /// This ignores pointers and is_owned flags and looks at the values in fields.
 /// Two objects with NULL inner values will be considered "equal" here.
@@ -1440,15 +1472,15 @@ pub extern "C" fn DirectedChannelTransactionParameters_is_outbound(this_arg: &cr
 #[no_mangle]
 pub extern "C" fn DirectedChannelTransactionParameters_funding_outpoint(this_arg: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters) -> crate::lightning::chain::transaction::OutPoint {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.funding_outpoint();
-       crate::c_types::bitcoin_to_C_outpoint(ret)
+       crate::c_types::bitcoin_to_C_outpoint(&ret)
 }
 
 /// Whether to use anchors for this channel
 #[must_use]
 #[no_mangle]
-pub extern "C" fn DirectedChannelTransactionParameters_opt_anchors(this_arg: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters) -> bool {
-       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors();
-       ret
+pub extern "C" fn DirectedChannelTransactionParameters_channel_type_features(this_arg: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters) -> crate::lightning::ln::features::ChannelTypeFeatures {
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.channel_type_features();
+       crate::lightning::ln::features::ChannelTypeFeatures { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::features::ChannelTypeFeatures<>) as *mut _) }, is_owned: false }
 }
 
 
@@ -1506,27 +1538,27 @@ impl HolderCommitmentTransaction {
 }
 /// Our counterparty's signature for the transaction
 #[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_counterparty_sig(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::Signature {
+pub extern "C" fn HolderCommitmentTransaction_get_counterparty_sig(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::ECDSASignature {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().counterparty_sig;
-       crate::c_types::Signature::from_rust(&inner_val)
+       crate::c_types::ECDSASignature::from_rust(&inner_val)
 }
 /// Our counterparty's signature for the transaction
 #[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_set_counterparty_sig(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::Signature) {
+pub extern "C" fn HolderCommitmentTransaction_set_counterparty_sig(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::ECDSASignature) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.counterparty_sig = val.into_rust();
 }
 /// All non-dust counterparty HTLC signatures, in the order they appear in the transaction
 ///
 /// Returns a copy of the field.
 #[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_get_counterparty_htlc_sigs(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::derived::CVec_SignatureZ {
+pub extern "C" fn HolderCommitmentTransaction_get_counterparty_htlc_sigs(this_ptr: &HolderCommitmentTransaction) -> crate::c_types::derived::CVec_ECDSASignatureZ {
        let mut inner_val = this_ptr.get_native_mut_ref().counterparty_htlc_sigs.clone();
-       let mut local_inner_val = Vec::new(); for mut item in inner_val.drain(..) { local_inner_val.push( { crate::c_types::Signature::from_rust(&item) }); };
+       let mut local_inner_val = Vec::new(); for mut item in inner_val.drain(..) { local_inner_val.push( { crate::c_types::ECDSASignature::from_rust(&item) }); };
        local_inner_val.into()
 }
 /// All non-dust counterparty HTLC signatures, in the order they appear in the transaction
 #[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_set_counterparty_htlc_sigs(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::derived::CVec_SignatureZ) {
+pub extern "C" fn HolderCommitmentTransaction_set_counterparty_htlc_sigs(this_ptr: &mut HolderCommitmentTransaction, mut val: crate::c_types::derived::CVec_ECDSASignatureZ) {
        let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { item.into_rust() }); };
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.counterparty_htlc_sigs = local_val;
 }
@@ -1569,7 +1601,7 @@ pub extern "C" fn HolderCommitmentTransaction_read(ser: crate::c_types::u8slice)
 /// The funding keys are used to figure out which signature should go first when building the transaction for broadcast.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn HolderCommitmentTransaction_new(mut commitment_tx: crate::lightning::ln::chan_utils::CommitmentTransaction, mut counterparty_sig: crate::c_types::Signature, mut counterparty_htlc_sigs: crate::c_types::derived::CVec_SignatureZ, mut holder_funding_key: crate::c_types::PublicKey, mut counterparty_funding_key: crate::c_types::PublicKey) -> crate::lightning::ln::chan_utils::HolderCommitmentTransaction {
+pub extern "C" fn HolderCommitmentTransaction_new(mut commitment_tx: crate::lightning::ln::chan_utils::CommitmentTransaction, mut counterparty_sig: crate::c_types::ECDSASignature, mut counterparty_htlc_sigs: crate::c_types::derived::CVec_ECDSASignatureZ, mut holder_funding_key: crate::c_types::PublicKey, mut counterparty_funding_key: crate::c_types::PublicKey) -> crate::lightning::ln::chan_utils::HolderCommitmentTransaction {
        let mut local_counterparty_htlc_sigs = Vec::new(); for mut item in counterparty_htlc_sigs.into_rust().drain(..) { local_counterparty_htlc_sigs.push( { item.into_rust() }); };
        let mut ret = lightning::ln::chan_utils::HolderCommitmentTransaction::new(*unsafe { Box::from_raw(commitment_tx.take_inner()) }, counterparty_sig.into_rust(), local_counterparty_htlc_sigs, &holder_funding_key.into_rust(), &counterparty_funding_key.into_rust());
        crate::lightning::ln::chan_utils::HolderCommitmentTransaction { inner: ObjOps::heap_alloc(ret), is_owned: true }
@@ -1711,17 +1743,17 @@ pub extern "C" fn BuiltCommitmentTransaction_get_sighash_all(this_arg: &crate::l
 /// Signs the counterparty's commitment transaction.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn BuiltCommitmentTransaction_sign_counterparty_commitment(this_arg: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::Signature {
+pub extern "C" fn BuiltCommitmentTransaction_sign_counterparty_commitment(this_arg: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ECDSASignature {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_counterparty_commitment(&::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, secp256k1::global::SECP256K1);
-       crate::c_types::Signature::from_rust(&ret)
+       crate::c_types::ECDSASignature::from_rust(&ret)
 }
 
 /// Signs the holder commitment transaction because we are about to broadcast it.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn BuiltCommitmentTransaction_sign_holder_commitment(this_arg: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64, entropy_source: &crate::lightning::chain::keysinterface::EntropySource) -> crate::c_types::Signature {
+pub extern "C" fn BuiltCommitmentTransaction_sign_holder_commitment(this_arg: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64, entropy_source: &crate::lightning::sign::EntropySource) -> crate::c_types::ECDSASignature {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign_holder_commitment(&::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, entropy_source, secp256k1::global::SECP256K1);
-       crate::c_types::Signature::from_rust(&ret)
+       crate::c_types::ECDSASignature::from_rust(&ret)
 }
 
 
@@ -1962,9 +1994,9 @@ pub extern "C" fn TrustedClosingTransaction_get_sighash_all(this_arg: &crate::li
 /// because we are about to broadcast a holder transaction.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn TrustedClosingTransaction_sign(this_arg: &crate::lightning::ln::chan_utils::TrustedClosingTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::Signature {
+pub extern "C" fn TrustedClosingTransaction_sign(this_arg: &crate::lightning::ln::chan_utils::TrustedClosingTransaction, funding_key: *const [u8; 32], mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ECDSASignature {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.sign(&::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *funding_key}[..]).unwrap(), &::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis, secp256k1::global::SECP256K1);
-       crate::c_types::Signature::from_rust(&ret)
+       crate::c_types::ECDSASignature::from_rust(&ret)
 }
 
 
@@ -2200,9 +2232,9 @@ pub extern "C" fn TrustedCommitmentTransaction_keys(this_arg: &crate::lightning:
 /// Should anchors be used.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn TrustedCommitmentTransaction_opt_anchors(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction) -> bool {
-       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.opt_anchors();
-       ret
+pub extern "C" fn TrustedCommitmentTransaction_channel_type_features(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction) -> crate::lightning::ln::features::ChannelTypeFeatures {
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.channel_type_features();
+       crate::lightning::ln::features::ChannelTypeFeatures { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::ln::features::ChannelTypeFeatures<>) as *mut _) }, is_owned: false }
 }
 
 /// Get a signature for each HTLC which was included in the commitment transaction (ie for
@@ -2213,9 +2245,45 @@ pub extern "C" fn TrustedCommitmentTransaction_opt_anchors(this_arg: &crate::lig
 /// This function is only valid in the holder commitment context, it always uses EcdsaSighashType::All.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn TrustedCommitmentTransaction_get_htlc_sigs(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction, htlc_base_key: *const [u8; 32], channel_parameters: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters, entropy_source: &crate::lightning::chain::keysinterface::EntropySource) -> crate::c_types::derived::CResult_CVec_SignatureZNoneZ {
+pub extern "C" fn TrustedCommitmentTransaction_get_htlc_sigs(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction, htlc_base_key: *const [u8; 32], channel_parameters: &crate::lightning::ln::chan_utils::DirectedChannelTransactionParameters, entropy_source: &crate::lightning::sign::EntropySource) -> crate::c_types::derived::CResult_CVec_ECDSASignatureZNoneZ {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_htlc_sigs(&::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *htlc_base_key}[..]).unwrap(), channel_parameters.get_native_ref(), entropy_source, secp256k1::global::SECP256K1);
-       let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { crate::c_types::Signature::from_rust(&item) }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
+       let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let mut local_ret_0 = Vec::new(); for mut item in o.drain(..) { local_ret_0.push( { crate::c_types::ECDSASignature::from_rust(&item) }); }; local_ret_0.into() }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
+       local_ret
+}
+
+/// Returns the index of the revokeable output, i.e. the `to_local` output sending funds to
+/// the broadcaster, in the built transaction, if any exists.
+///
+/// There are two cases where this may return `None`:
+/// - The balance of the revokeable output is below the dust limit (only found on commitments
+/// early in the channel's lifetime, i.e. before the channel reserve is met).
+/// - This commitment was created before LDK 0.0.117. In this case, the
+/// commitment transaction previously didn't contain enough information to locate the
+/// revokeable output.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn TrustedCommitmentTransaction_revokeable_output_index(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction) -> crate::c_types::derived::COption_usizeZ {
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.revokeable_output_index();
+       let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_usizeZ::None } else { crate::c_types::derived::COption_usizeZ::Some( { ret.unwrap() }) };
+       local_ret
+}
+
+/// Helper method to build an unsigned justice transaction spending the revokeable
+/// `to_local` output to a destination script. Fee estimation accounts for the expected
+/// revocation witness data that will be added when signed.
+///
+/// This method will error if the given fee rate results in a fee greater than the value
+/// of the output being spent, or if there exists no revokeable `to_local` output on this
+/// commitment transaction. See [`Self::revokeable_output_index`] for more details.
+///
+/// The built transaction will allow fee bumping with RBF, and this method takes
+/// `feerate_per_kw` as an input such that multiple copies of a justice transaction at different
+/// fee rates may be built.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn TrustedCommitmentTransaction_build_to_local_justice_tx(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction, mut feerate_per_kw: u64, mut destination_script: crate::c_types::derived::CVec_u8Z) -> crate::c_types::derived::CResult_TransactionNoneZ {
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.build_to_local_justice_tx(feerate_per_kw, ::bitcoin::blockdata::script::Script::from(destination_script.into_rust()));
+       let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::Transaction::from_bitcoin(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
        local_ret
 }