Pin compiler_builtins to 0.1.109 when building std
[ldk-c-bindings] / lightning-c-bindings / src / lightning / ln / chan_utils.rs
index ebfd1299b9eeffda7e3521c01d40cb46e2a9226d..c1a23fd70922a65fe07b35dd608b28c028800d64 100644 (file)
@@ -6,10 +6,11 @@
 // license as that which applies to the original source files from which this
 // 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.
+//! Various utilities for building scripts related to channels. These are
+//! 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
 }
 
@@ -90,7 +105,8 @@ impl HTLCClaim {
                }
        }
        #[allow(unused)]
-       pub(crate) fn from_native(native: &nativeHTLCClaim) -> Self {
+       pub(crate) fn from_native(native: &HTLCClaimImport) -> Self {
+               let native = unsafe { &*(native as *const _ as *const c_void as *const nativeHTLCClaim) };
                match native {
                        nativeHTLCClaim::OfferedTimeout => HTLCClaim::OfferedTimeout,
                        nativeHTLCClaim::OfferedPreimage => HTLCClaim::OfferedPreimage,
@@ -115,6 +131,16 @@ impl HTLCClaim {
 pub extern "C" fn HTLCClaim_clone(orig: &HTLCClaim) -> HTLCClaim {
        orig.clone()
 }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn HTLCClaim_clone_void(this_ptr: *const c_void) -> *mut c_void {
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const HTLCClaim)).clone() })) as *mut c_void
+}
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn HTLCClaim_free_void(this_ptr: *mut c_void) {
+       let _ = unsafe { Box::from_raw(this_ptr as *mut HTLCClaim) };
+}
 #[no_mangle]
 /// Utility method to constructs a new OfferedTimeout-variant HTLCClaim
 pub extern "C" fn HTLCClaim_offered_timeout() -> HTLCClaim {
@@ -160,7 +186,7 @@ pub extern "C" fn build_commitment_secret(commitment_seed: *const [u8; 32], mut
 /// Build a closing transaction
 #[no_mangle]
 pub extern "C" fn build_closing_transaction(mut to_holder_value_sat: u64, mut to_counterparty_value_sat: u64, mut to_holder_script: crate::c_types::derived::CVec_u8Z, mut to_counterparty_script: crate::c_types::derived::CVec_u8Z, mut funding_outpoint: crate::lightning::chain::transaction::OutPoint) -> crate::c_types::Transaction {
-       let mut ret = lightning::ln::chan_utils::build_closing_transaction(to_holder_value_sat, to_counterparty_value_sat, ::bitcoin::blockdata::script::Script::from(to_holder_script.into_rust()), ::bitcoin::blockdata::script::Script::from(to_counterparty_script.into_rust()), crate::c_types::C_to_bitcoin_outpoint(funding_outpoint));
+       let mut ret = lightning::ln::chan_utils::build_closing_transaction(to_holder_value_sat, to_counterparty_value_sat, ::bitcoin::blockdata::script::ScriptBuf::from(to_holder_script.into_rust()), ::bitcoin::blockdata::script::ScriptBuf::from(to_counterparty_script.into_rust()), crate::c_types::C_to_bitcoin_outpoint(funding_outpoint));
        crate::c_types::Transaction::from_bitcoin(&ret)
 }
 
@@ -231,7 +257,7 @@ impl Clone for CounterpartyCommitmentSecrets {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn CounterpartyCommitmentSecrets_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyCommitmentSecrets)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeCounterpartyCommitmentSecrets)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the CounterpartyCommitmentSecrets
@@ -282,7 +308,7 @@ pub extern "C" fn CounterpartyCommitmentSecrets_get_secret(this_arg: &crate::lig
 pub extern "C" fn CounterpartyCommitmentSecrets_write(obj: &crate::lightning::ln::chan_utils::CounterpartyCommitmentSecrets) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn CounterpartyCommitmentSecrets_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyCommitmentSecrets) })
 }
@@ -301,15 +327,6 @@ pub extern "C" fn derive_private_key(mut per_commitment_point: crate::c_types::P
        crate::c_types::SecretKey::from_rust(ret)
 }
 
-/// Derives a per-commitment-transaction public key (eg an htlc key or a delayed_payment key)
-/// from the base point and the per_commitment_key. This is the public equivalent of
-/// derive_private_key - using only public keys to derive a public key instead of private keys.
-#[no_mangle]
-pub extern "C" fn derive_public_key(mut per_commitment_point: crate::c_types::PublicKey, mut base_point: crate::c_types::PublicKey) -> crate::c_types::PublicKey {
-       let mut ret = lightning::ln::chan_utils::derive_public_key(secp256k1::global::SECP256K1, &per_commitment_point.into_rust(), &base_point.into_rust());
-       crate::c_types::PublicKey::from_rust(&ret)
-}
-
 /// Derives a per-commitment-transaction revocation key from its constituent parts.
 ///
 /// Only the cheating participant owns a valid witness to propagate a revoked
@@ -322,23 +339,6 @@ pub extern "C" fn derive_private_revocation_key(per_commitment_secret: *const [u
        crate::c_types::SecretKey::from_rust(ret)
 }
 
-/// Derives a per-commitment-transaction revocation public key from its constituent parts. This is
-/// the public equivalend of derive_private_revocation_key - using only public keys to derive a
-/// public key instead of private keys.
-///
-/// Only the cheating participant owns a valid witness to propagate a revoked
-/// commitment transaction, thus per_commitment_point always come from cheater
-/// and revocation_base_point always come from punisher, which is the broadcaster
-/// of the transaction spending with this key knowledge.
-///
-/// Note that this is infallible iff we trust that at least one of the two input keys are randomly
-/// generated (ie our own).
-#[no_mangle]
-pub extern "C" fn derive_public_revocation_key(mut per_commitment_point: crate::c_types::PublicKey, mut countersignatory_revocation_base_point: crate::c_types::PublicKey) -> crate::c_types::PublicKey {
-       let mut ret = lightning::ln::chan_utils::derive_public_revocation_key(secp256k1::global::SECP256K1, &per_commitment_point.into_rust(), &countersignatory_revocation_base_point.into_rust());
-       crate::c_types::PublicKey::from_rust(&ret)
-}
-
 
 use lightning::ln::chan_utils::TxCreationKeys as nativeTxCreationKeysImport;
 pub(crate) type nativeTxCreationKeys = nativeTxCreationKeysImport;
@@ -415,60 +415,60 @@ pub extern "C" fn TxCreationKeys_set_per_commitment_point(this_ptr: &mut TxCreat
 /// transaction to provide their counterparty the ability to punish them if they broadcast
 /// an old state.
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_get_revocation_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn TxCreationKeys_get_revocation_key(this_ptr: &TxCreationKeys) -> crate::lightning::ln::channel_keys::RevocationKey {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_key;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::RevocationKey { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::RevocationKey<>) as *mut _) }, is_owned: false }
 }
 /// The revocation key which is used to allow the broadcaster of the commitment
 /// transaction to provide their counterparty the ability to punish them if they broadcast
 /// an old state.
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_set_revocation_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_key = val.into_rust();
+pub extern "C" fn TxCreationKeys_set_revocation_key(this_ptr: &mut TxCreationKeys, mut val: crate::lightning::ln::channel_keys::RevocationKey) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_key = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Broadcaster's HTLC Key
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_get_broadcaster_htlc_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn TxCreationKeys_get_broadcaster_htlc_key(this_ptr: &TxCreationKeys) -> crate::lightning::ln::channel_keys::HtlcKey {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().broadcaster_htlc_key;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::HtlcKey { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::HtlcKey<>) as *mut _) }, is_owned: false }
 }
 /// Broadcaster's HTLC Key
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_set_broadcaster_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.broadcaster_htlc_key = val.into_rust();
+pub extern "C" fn TxCreationKeys_set_broadcaster_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::lightning::ln::channel_keys::HtlcKey) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.broadcaster_htlc_key = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Countersignatory's HTLC Key
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_get_countersignatory_htlc_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn TxCreationKeys_get_countersignatory_htlc_key(this_ptr: &TxCreationKeys) -> crate::lightning::ln::channel_keys::HtlcKey {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().countersignatory_htlc_key;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::HtlcKey { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::HtlcKey<>) as *mut _) }, is_owned: false }
 }
 /// Countersignatory's HTLC Key
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_set_countersignatory_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.countersignatory_htlc_key = val.into_rust();
+pub extern "C" fn TxCreationKeys_set_countersignatory_htlc_key(this_ptr: &mut TxCreationKeys, mut val: crate::lightning::ln::channel_keys::HtlcKey) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.countersignatory_htlc_key = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_get_broadcaster_delayed_payment_key(this_ptr: &TxCreationKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn TxCreationKeys_get_broadcaster_delayed_payment_key(this_ptr: &TxCreationKeys) -> crate::lightning::ln::channel_keys::DelayedPaymentKey {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().broadcaster_delayed_payment_key;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::DelayedPaymentKey { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::DelayedPaymentKey<>) as *mut _) }, is_owned: false }
 }
 /// Broadcaster's Payment Key (which isn't allowed to be spent from for some delay)
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_set_broadcaster_delayed_payment_key(this_ptr: &mut TxCreationKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.broadcaster_delayed_payment_key = val.into_rust();
+pub extern "C" fn TxCreationKeys_set_broadcaster_delayed_payment_key(this_ptr: &mut TxCreationKeys, mut val: crate::lightning::ln::channel_keys::DelayedPaymentKey) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.broadcaster_delayed_payment_key = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Constructs a new TxCreationKeys given each field
 #[must_use]
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_new(mut per_commitment_point_arg: crate::c_types::PublicKey, mut revocation_key_arg: crate::c_types::PublicKey, mut broadcaster_htlc_key_arg: crate::c_types::PublicKey, mut countersignatory_htlc_key_arg: crate::c_types::PublicKey, mut broadcaster_delayed_payment_key_arg: crate::c_types::PublicKey) -> TxCreationKeys {
+pub extern "C" fn TxCreationKeys_new(mut per_commitment_point_arg: crate::c_types::PublicKey, mut revocation_key_arg: crate::lightning::ln::channel_keys::RevocationKey, mut broadcaster_htlc_key_arg: crate::lightning::ln::channel_keys::HtlcKey, mut countersignatory_htlc_key_arg: crate::lightning::ln::channel_keys::HtlcKey, mut broadcaster_delayed_payment_key_arg: crate::lightning::ln::channel_keys::DelayedPaymentKey) -> TxCreationKeys {
        TxCreationKeys { inner: ObjOps::heap_alloc(nativeTxCreationKeys {
                per_commitment_point: per_commitment_point_arg.into_rust(),
-               revocation_key: revocation_key_arg.into_rust(),
-               broadcaster_htlc_key: broadcaster_htlc_key_arg.into_rust(),
-               countersignatory_htlc_key: countersignatory_htlc_key_arg.into_rust(),
-               broadcaster_delayed_payment_key: broadcaster_delayed_payment_key_arg.into_rust(),
+               revocation_key: *unsafe { Box::from_raw(revocation_key_arg.take_inner()) },
+               broadcaster_htlc_key: *unsafe { Box::from_raw(broadcaster_htlc_key_arg.take_inner()) },
+               countersignatory_htlc_key: *unsafe { Box::from_raw(countersignatory_htlc_key_arg.take_inner()) },
+               broadcaster_delayed_payment_key: *unsafe { Box::from_raw(broadcaster_delayed_payment_key_arg.take_inner()) },
        }), is_owned: true }
 }
 /// Checks if two TxCreationKeyss contain equal inner contents.
@@ -492,19 +492,22 @@ impl Clone for TxCreationKeys {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn TxCreationKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeTxCreationKeys)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeTxCreationKeys)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the TxCreationKeys
 pub extern "C" fn TxCreationKeys_clone(orig: &TxCreationKeys) -> TxCreationKeys {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a TxCreationKeys object
+pub extern "C" fn TxCreationKeys_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::TxCreationKeys }).into()}
 #[no_mangle]
 /// Serialize the TxCreationKeys object into a byte array which can be read by TxCreationKeys_read
 pub extern "C" fn TxCreationKeys_write(obj: &crate::lightning::ln::chan_utils::TxCreationKeys) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn TxCreationKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeTxCreationKeys) })
 }
@@ -584,17 +587,17 @@ pub extern "C" fn ChannelPublicKeys_set_funding_pubkey(this_ptr: &mut ChannelPub
 /// counterparty to create a secret which the counterparty can reveal to revoke previous
 /// states.
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_get_revocation_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn ChannelPublicKeys_get_revocation_basepoint(this_ptr: &ChannelPublicKeys) -> crate::lightning::ln::channel_keys::RevocationBasepoint {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().revocation_basepoint;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::RevocationBasepoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::RevocationBasepoint<>) as *mut _) }, is_owned: false }
 }
 /// The base point which is used (with derive_public_revocation_key) to derive per-commitment
 /// revocation keys. This is combined with the per-commitment-secret generated by the
 /// counterparty to create a secret which the counterparty can reveal to revoke previous
 /// states.
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_set_revocation_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_basepoint = val.into_rust();
+pub extern "C" fn ChannelPublicKeys_set_revocation_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::lightning::ln::channel_keys::RevocationBasepoint) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.revocation_basepoint = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// The public key on which the non-broadcaster (ie the countersignatory) receives an immediately
 /// spendable primary channel balance on the broadcaster's commitment transaction. This key is
@@ -615,40 +618,40 @@ pub extern "C" fn ChannelPublicKeys_set_payment_point(this_ptr: &mut ChannelPubl
 /// public key which receives non-HTLC-encumbered funds which are only available for spending
 /// after some delay (or can be claimed via the revocation path).
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_get_delayed_payment_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn ChannelPublicKeys_get_delayed_payment_basepoint(this_ptr: &ChannelPublicKeys) -> crate::lightning::ln::channel_keys::DelayedPaymentBasepoint {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().delayed_payment_basepoint;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::DelayedPaymentBasepoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::DelayedPaymentBasepoint<>) as *mut _) }, is_owned: false }
 }
 /// The base point which is used (with derive_public_key) to derive a per-commitment payment
 /// public key which receives non-HTLC-encumbered funds which are only available for spending
 /// after some delay (or can be claimed via the revocation path).
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_set_delayed_payment_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.delayed_payment_basepoint = val.into_rust();
+pub extern "C" fn ChannelPublicKeys_set_delayed_payment_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::lightning::ln::channel_keys::DelayedPaymentBasepoint) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.delayed_payment_basepoint = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// The base point which is used (with derive_public_key) to derive a per-commitment public key
 /// which is used to encumber HTLC-in-flight outputs.
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_get_htlc_basepoint(this_ptr: &ChannelPublicKeys) -> crate::c_types::PublicKey {
+pub extern "C" fn ChannelPublicKeys_get_htlc_basepoint(this_ptr: &ChannelPublicKeys) -> crate::lightning::ln::channel_keys::HtlcBasepoint {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().htlc_basepoint;
-       crate::c_types::PublicKey::from_rust(&inner_val)
+       crate::lightning::ln::channel_keys::HtlcBasepoint { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channel_keys::HtlcBasepoint<>) as *mut _) }, is_owned: false }
 }
 /// The base point which is used (with derive_public_key) to derive a per-commitment public key
 /// which is used to encumber HTLC-in-flight outputs.
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_set_htlc_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::c_types::PublicKey) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc_basepoint = val.into_rust();
+pub extern "C" fn ChannelPublicKeys_set_htlc_basepoint(this_ptr: &mut ChannelPublicKeys, mut val: crate::lightning::ln::channel_keys::HtlcBasepoint) {
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.htlc_basepoint = *unsafe { Box::from_raw(val.take_inner()) };
 }
 /// Constructs a new ChannelPublicKeys given each field
 #[must_use]
 #[no_mangle]
-pub extern "C" fn ChannelPublicKeys_new(mut funding_pubkey_arg: crate::c_types::PublicKey, mut revocation_basepoint_arg: crate::c_types::PublicKey, mut payment_point_arg: crate::c_types::PublicKey, mut delayed_payment_basepoint_arg: crate::c_types::PublicKey, mut htlc_basepoint_arg: crate::c_types::PublicKey) -> ChannelPublicKeys {
+pub extern "C" fn ChannelPublicKeys_new(mut funding_pubkey_arg: crate::c_types::PublicKey, mut revocation_basepoint_arg: crate::lightning::ln::channel_keys::RevocationBasepoint, mut payment_point_arg: crate::c_types::PublicKey, mut delayed_payment_basepoint_arg: crate::lightning::ln::channel_keys::DelayedPaymentBasepoint, mut htlc_basepoint_arg: crate::lightning::ln::channel_keys::HtlcBasepoint) -> ChannelPublicKeys {
        ChannelPublicKeys { inner: ObjOps::heap_alloc(nativeChannelPublicKeys {
                funding_pubkey: funding_pubkey_arg.into_rust(),
-               revocation_basepoint: revocation_basepoint_arg.into_rust(),
+               revocation_basepoint: *unsafe { Box::from_raw(revocation_basepoint_arg.take_inner()) },
                payment_point: payment_point_arg.into_rust(),
-               delayed_payment_basepoint: delayed_payment_basepoint_arg.into_rust(),
-               htlc_basepoint: htlc_basepoint_arg.into_rust(),
+               delayed_payment_basepoint: *unsafe { Box::from_raw(delayed_payment_basepoint_arg.take_inner()) },
+               htlc_basepoint: *unsafe { Box::from_raw(htlc_basepoint_arg.take_inner()) },
        }), is_owned: true }
 }
 impl Clone for ChannelPublicKeys {
@@ -663,13 +666,26 @@ impl Clone for ChannelPublicKeys {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn ChannelPublicKeys_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelPublicKeys)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeChannelPublicKeys)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the ChannelPublicKeys
 pub extern "C" fn ChannelPublicKeys_clone(orig: &ChannelPublicKeys) -> ChannelPublicKeys {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a ChannelPublicKeys object
+pub extern "C" fn ChannelPublicKeys_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::ChannelPublicKeys }).into()}
+/// 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.
@@ -684,7 +700,7 @@ pub extern "C" fn ChannelPublicKeys_eq(a: &ChannelPublicKeys, b: &ChannelPublicK
 pub extern "C" fn ChannelPublicKeys_write(obj: &crate::lightning::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn ChannelPublicKeys_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelPublicKeys) })
 }
@@ -699,8 +715,8 @@ pub extern "C" fn ChannelPublicKeys_read(ser: crate::c_types::u8slice) -> crate:
 /// Key set is asymmetric and can't be used as part of counter-signatory set of transactions.
 #[must_use]
 #[no_mangle]
-pub extern "C" fn TxCreationKeys_derive_new(mut per_commitment_point: crate::c_types::PublicKey, mut broadcaster_delayed_payment_base: crate::c_types::PublicKey, mut broadcaster_htlc_base: crate::c_types::PublicKey, mut countersignatory_revocation_base: crate::c_types::PublicKey, mut countersignatory_htlc_base: crate::c_types::PublicKey) -> crate::lightning::ln::chan_utils::TxCreationKeys {
-       let mut ret = lightning::ln::chan_utils::TxCreationKeys::derive_new(secp256k1::global::SECP256K1, &per_commitment_point.into_rust(), &broadcaster_delayed_payment_base.into_rust(), &broadcaster_htlc_base.into_rust(), &countersignatory_revocation_base.into_rust(), &countersignatory_htlc_base.into_rust());
+pub extern "C" fn TxCreationKeys_derive_new(mut per_commitment_point: crate::c_types::PublicKey, broadcaster_delayed_payment_base: &crate::lightning::ln::channel_keys::DelayedPaymentBasepoint, broadcaster_htlc_base: &crate::lightning::ln::channel_keys::HtlcBasepoint, countersignatory_revocation_base: &crate::lightning::ln::channel_keys::RevocationBasepoint, countersignatory_htlc_base: &crate::lightning::ln::channel_keys::HtlcBasepoint) -> crate::lightning::ln::chan_utils::TxCreationKeys {
+       let mut ret = lightning::ln::chan_utils::TxCreationKeys::derive_new(secp256k1::global::SECP256K1, &per_commitment_point.into_rust(), broadcaster_delayed_payment_base.get_native_ref(), broadcaster_htlc_base.get_native_ref(), countersignatory_revocation_base.get_native_ref(), countersignatory_htlc_base.get_native_ref());
        crate::lightning::ln::chan_utils::TxCreationKeys { inner: ObjOps::heap_alloc(ret), is_owned: true }
 }
 
@@ -721,9 +737,17 @@ pub static REVOKEABLE_REDEEMSCRIPT_MAX_LENGTH: usize = lightning::ln::chan_utils
 /// key or the broadcaster_delayed_payment_key and satisfying the relative-locktime OP_CSV constrain.
 /// Encumbering a `to_holder` output on a commitment transaction or 2nd-stage HTLC transactions.
 #[no_mangle]
-pub extern "C" fn get_revokeable_redeemscript(mut revocation_key: crate::c_types::PublicKey, mut contest_delay: u16, mut broadcaster_delayed_payment_key: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
-       let mut ret = lightning::ln::chan_utils::get_revokeable_redeemscript(&revocation_key.into_rust(), contest_delay, &broadcaster_delayed_payment_key.into_rust());
-       ret.into_bytes().into()
+pub extern "C" fn get_revokeable_redeemscript(revocation_key: &crate::lightning::ln::channel_keys::RevocationKey, mut contest_delay: u16, broadcaster_delayed_payment_key: &crate::lightning::ln::channel_keys::DelayedPaymentKey) -> crate::c_types::derived::CVec_u8Z {
+       let mut ret = lightning::ln::chan_utils::get_revokeable_redeemscript(revocation_key.get_native_ref(), contest_delay, broadcaster_delayed_payment_key.get_native_ref());
+       ret.to_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.to_bytes().into()
 }
 
 
@@ -827,7 +851,7 @@ pub extern "C" fn HTLCOutputInCommitment_get_payment_hash(this_ptr: &HTLCOutputI
 /// The hash of the preimage which unlocks this HTLC.
 #[no_mangle]
 pub extern "C" fn HTLCOutputInCommitment_set_payment_hash(this_ptr: &mut HTLCOutputInCommitment, mut val: crate::c_types::ThirtyTwoBytes) {
-       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.payment_hash = ::lightning::ln::PaymentHash(val.data);
+       unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.payment_hash = ::lightning::ln::types::PaymentHash(val.data);
 }
 /// The position within the commitment transactions' outputs. This may be None if the value is
 /// below the dust limit (in which case no output appears in the commitment transaction and the
@@ -855,7 +879,7 @@ pub extern "C" fn HTLCOutputInCommitment_new(mut offered_arg: bool, mut amount_m
                offered: offered_arg,
                amount_msat: amount_msat_arg,
                cltv_expiry: cltv_expiry_arg,
-               payment_hash: ::lightning::ln::PaymentHash(payment_hash_arg.data),
+               payment_hash: ::lightning::ln::types::PaymentHash(payment_hash_arg.data),
                transaction_output_index: local_transaction_output_index_arg,
        }), is_owned: true }
 }
@@ -871,13 +895,16 @@ impl Clone for HTLCOutputInCommitment {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn HTLCOutputInCommitment_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHTLCOutputInCommitment)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeHTLCOutputInCommitment)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the HTLCOutputInCommitment
 pub extern "C" fn HTLCOutputInCommitment_clone(orig: &HTLCOutputInCommitment) -> HTLCOutputInCommitment {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a HTLCOutputInCommitment object
+pub extern "C" fn HTLCOutputInCommitment_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::HTLCOutputInCommitment }).into()}
 /// Checks if two HTLCOutputInCommitments 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.
@@ -892,7 +919,7 @@ pub extern "C" fn HTLCOutputInCommitment_eq(a: &HTLCOutputInCommitment, b: &HTLC
 pub extern "C" fn HTLCOutputInCommitment_write(obj: &crate::lightning::ln::chan_utils::HTLCOutputInCommitment) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn HTLCOutputInCommitment_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHTLCOutputInCommitment) })
 }
@@ -906,9 +933,9 @@ 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());
-       ret.into_bytes().into()
+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.to_bytes().into()
 }
 
 /// Gets the redeemscript for a funding output from the two funding public keys.
@@ -916,7 +943,7 @@ pub extern "C" fn get_htlc_redeemscript(htlc: &crate::lightning::ln::chan_utils:
 #[no_mangle]
 pub extern "C" fn make_funding_redeemscript(mut broadcaster: crate::c_types::PublicKey, mut countersignatory: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
        let mut ret = lightning::ln::chan_utils::make_funding_redeemscript(&broadcaster.into_rust(), &countersignatory.into_rust());
-       ret.into_bytes().into()
+       ret.to_bytes().into()
 }
 
 /// Builds an unsigned HTLC-Success or HTLC-Timeout transaction from the given channel and HTLC
@@ -927,18 +954,16 @@ 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, broadcaster_delayed_payment_key: &crate::lightning::ln::channel_keys::DelayedPaymentKey, revocation_key: &crate::lightning::ln::channel_keys::RevocationKey) -> 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.get_native_ref(), revocation_key.get_native_ref());
        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::types::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_bytes(redeem_script.to_slice()), channel_type_features.get_native_ref());
        crate::c_types::Witness::from_bitcoin(&ret)
 }
 
@@ -946,7 +971,7 @@ pub extern "C" fn build_htlc_input_witness(mut local_sig: crate::c_types::Signat
 #[no_mangle]
 pub extern "C" fn get_to_countersignatory_with_anchors_redeemscript(mut payment_point: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
        let mut ret = lightning::ln::chan_utils::get_to_countersignatory_with_anchors_redeemscript(&payment_point.into_rust());
-       ret.into_bytes().into()
+       ret.to_bytes().into()
 }
 
 /// Gets the witnessScript for an anchor output from the funding public key.
@@ -958,12 +983,12 @@ pub extern "C" fn get_to_countersignatory_with_anchors_redeemscript(mut payment_
 #[no_mangle]
 pub extern "C" fn get_anchor_redeemscript(mut funding_pubkey: crate::c_types::PublicKey) -> crate::c_types::derived::CVec_u8Z {
        let mut ret = lightning::ln::chan_utils::get_anchor_redeemscript(&funding_pubkey.into_rust());
-       ret.into_bytes().into()
+       ret.to_bytes().into()
 }
 
 /// 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 +1119,35 @@ 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 {
@@ -1156,13 +1162,26 @@ impl Clone for ChannelTransactionParameters {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn ChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelTransactionParameters)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeChannelTransactionParameters)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the ChannelTransactionParameters
 pub extern "C" fn ChannelTransactionParameters_clone(orig: &ChannelTransactionParameters) -> ChannelTransactionParameters {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a ChannelTransactionParameters object
+pub extern "C" fn ChannelTransactionParameters_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::ChannelTransactionParameters }).into()}
+/// 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.
@@ -1266,13 +1285,26 @@ impl Clone for CounterpartyChannelTransactionParameters {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyChannelTransactionParameters)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeCounterpartyChannelTransactionParameters)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the CounterpartyChannelTransactionParameters
 pub extern "C" fn CounterpartyChannelTransactionParameters_clone(orig: &CounterpartyChannelTransactionParameters) -> CounterpartyChannelTransactionParameters {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a CounterpartyChannelTransactionParameters object
+pub extern "C" fn CounterpartyChannelTransactionParameters_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters }).into()}
+/// 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.
@@ -1317,7 +1349,7 @@ pub extern "C" fn ChannelTransactionParameters_as_counterparty_broadcastable(thi
 pub extern "C" fn CounterpartyChannelTransactionParameters_write(obj: &crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn CounterpartyChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyChannelTransactionParameters) })
 }
@@ -1333,7 +1365,7 @@ pub extern "C" fn CounterpartyChannelTransactionParameters_read(ser: crate::c_ty
 pub extern "C" fn ChannelTransactionParameters_write(obj: &crate::lightning::ln::chan_utils::ChannelTransactionParameters) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn ChannelTransactionParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelTransactionParameters) })
 }
@@ -1346,7 +1378,7 @@ pub extern "C" fn ChannelTransactionParameters_read(ser: crate::c_types::u8slice
 }
 
 use lightning::ln::chan_utils::DirectedChannelTransactionParameters as nativeDirectedChannelTransactionParametersImport;
-pub(crate) type nativeDirectedChannelTransactionParameters = nativeDirectedChannelTransactionParametersImport<'static>;
+pub(crate) type nativeDirectedChannelTransactionParameters = nativeDirectedChannelTransactionParametersImport<'static>;
 
 /// Static channel fields used to build transactions given per-commitment fields, organized by
 /// broadcaster/countersignatory.
@@ -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;
 }
@@ -1542,19 +1574,22 @@ impl Clone for HolderCommitmentTransaction {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn HolderCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeHolderCommitmentTransaction)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeHolderCommitmentTransaction)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the HolderCommitmentTransaction
 pub extern "C" fn HolderCommitmentTransaction_clone(orig: &HolderCommitmentTransaction) -> HolderCommitmentTransaction {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a HolderCommitmentTransaction object
+pub extern "C" fn HolderCommitmentTransaction_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::HolderCommitmentTransaction }).into()}
 #[no_mangle]
 /// Serialize the HolderCommitmentTransaction object into a byte array which can be read by HolderCommitmentTransaction_read
 pub extern "C" fn HolderCommitmentTransaction_write(obj: &crate::lightning::ln::chan_utils::HolderCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn HolderCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeHolderCommitmentTransaction) })
 }
@@ -1569,7 +1604,7 @@ 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 }
@@ -1644,7 +1679,7 @@ pub extern "C" fn BuiltCommitmentTransaction_set_transaction(this_ptr: &mut Buil
 #[no_mangle]
 pub extern "C" fn BuiltCommitmentTransaction_get_txid(this_ptr: &BuiltCommitmentTransaction) -> *const [u8; 32] {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().txid;
-       inner_val.as_inner()
+       inner_val.as_ref()
 }
 /// The txid for the commitment transaction.
 ///
@@ -1675,19 +1710,22 @@ impl Clone for BuiltCommitmentTransaction {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn BuiltCommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBuiltCommitmentTransaction)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeBuiltCommitmentTransaction)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the BuiltCommitmentTransaction
 pub extern "C" fn BuiltCommitmentTransaction_clone(orig: &BuiltCommitmentTransaction) -> BuiltCommitmentTransaction {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a BuiltCommitmentTransaction object
+pub extern "C" fn BuiltCommitmentTransaction_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::BuiltCommitmentTransaction }).into()}
 #[no_mangle]
 /// Serialize the BuiltCommitmentTransaction object into a byte array which can be read by BuiltCommitmentTransaction_read
 pub extern "C" fn BuiltCommitmentTransaction_write(obj: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn BuiltCommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeBuiltCommitmentTransaction) })
 }
@@ -1704,24 +1742,24 @@ pub extern "C" fn BuiltCommitmentTransaction_read(ser: crate::c_types::u8slice)
 #[must_use]
 #[no_mangle]
 pub extern "C" fn BuiltCommitmentTransaction_get_sighash_all(this_arg: &crate::lightning::ln::chan_utils::BuiltCommitmentTransaction, mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ThirtyTwoBytes {
-       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_sighash_all(&::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis);
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_sighash_all(::bitcoin::blockdata::script::Script::from_bytes(funding_redeemscript.to_slice()), channel_value_satoshis);
        crate::c_types::ThirtyTwoBytes { data: ret.as_ref().clone() }
 }
 
 /// 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 {
-       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)
+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_bytes(funding_redeemscript.to_slice()), channel_value_satoshis, secp256k1::global::SECP256K1);
+       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 {
-       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)
+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_bytes(funding_redeemscript.to_slice()), channel_value_satoshis, entropy_source, secp256k1::global::SECP256K1);
+       crate::c_types::ECDSASignature::from_rust(&ret)
 }
 
 
@@ -1791,7 +1829,7 @@ impl Clone for ClosingTransaction {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn ClosingTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeClosingTransaction)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeClosingTransaction)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the ClosingTransaction
@@ -1821,7 +1859,7 @@ pub extern "C" fn ClosingTransaction_eq(a: &ClosingTransaction, b: &ClosingTrans
 #[must_use]
 #[no_mangle]
 pub extern "C" fn ClosingTransaction_new(mut to_holder_value_sat: u64, mut to_counterparty_value_sat: u64, mut to_holder_script: crate::c_types::derived::CVec_u8Z, mut to_counterparty_script: crate::c_types::derived::CVec_u8Z, mut funding_outpoint: crate::lightning::chain::transaction::OutPoint) -> crate::lightning::ln::chan_utils::ClosingTransaction {
-       let mut ret = lightning::ln::chan_utils::ClosingTransaction::new(to_holder_value_sat, to_counterparty_value_sat, ::bitcoin::blockdata::script::Script::from(to_holder_script.into_rust()), ::bitcoin::blockdata::script::Script::from(to_counterparty_script.into_rust()), crate::c_types::C_to_bitcoin_outpoint(funding_outpoint));
+       let mut ret = lightning::ln::chan_utils::ClosingTransaction::new(to_holder_value_sat, to_counterparty_value_sat, ::bitcoin::blockdata::script::ScriptBuf::from(to_holder_script.into_rust()), ::bitcoin::blockdata::script::ScriptBuf::from(to_counterparty_script.into_rust()), crate::c_types::C_to_bitcoin_outpoint(funding_outpoint));
        crate::lightning::ln::chan_utils::ClosingTransaction { inner: ObjOps::heap_alloc(ret), is_owned: true }
 }
 
@@ -1873,7 +1911,7 @@ pub extern "C" fn ClosingTransaction_to_counterparty_value_sat(this_arg: &crate:
 #[no_mangle]
 pub extern "C" fn ClosingTransaction_to_holder_script(this_arg: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::u8slice {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.to_holder_script();
-       crate::c_types::u8slice::from_slice(&ret[..])
+       crate::c_types::u8slice::from_slice(ret.as_ref())
 }
 
 /// The destination of the counterparty's output
@@ -1881,12 +1919,12 @@ pub extern "C" fn ClosingTransaction_to_holder_script(this_arg: &crate::lightnin
 #[no_mangle]
 pub extern "C" fn ClosingTransaction_to_counterparty_script(this_arg: &crate::lightning::ln::chan_utils::ClosingTransaction) -> crate::c_types::u8slice {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.to_counterparty_script();
-       crate::c_types::u8slice::from_slice(&ret[..])
+       crate::c_types::u8slice::from_slice(ret.as_ref())
 }
 
 
 use lightning::ln::chan_utils::TrustedClosingTransaction as nativeTrustedClosingTransactionImport;
-pub(crate) type nativeTrustedClosingTransaction = nativeTrustedClosingTransactionImport<'static>;
+pub(crate) type nativeTrustedClosingTransaction = nativeTrustedClosingTransactionImport<'static>;
 
 /// A wrapper on ClosingTransaction indicating that the built bitcoin
 /// transaction is trusted.
@@ -1954,7 +1992,7 @@ pub extern "C" fn TrustedClosingTransaction_built_transaction(this_arg: &crate::
 #[must_use]
 #[no_mangle]
 pub extern "C" fn TrustedClosingTransaction_get_sighash_all(this_arg: &crate::lightning::ln::chan_utils::TrustedClosingTransaction, mut funding_redeemscript: crate::c_types::u8slice, mut channel_value_satoshis: u64) -> crate::c_types::ThirtyTwoBytes {
-       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_sighash_all(&::bitcoin::blockdata::script::Script::from(Vec::from(funding_redeemscript.to_slice())), channel_value_satoshis);
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_sighash_all(::bitcoin::blockdata::script::Script::from_bytes(funding_redeemscript.to_slice()), channel_value_satoshis);
        crate::c_types::ThirtyTwoBytes { data: ret.as_ref().clone() }
 }
 
@@ -1962,9 +2000,9 @@ 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 {
-       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)
+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_bytes(funding_redeemscript.to_slice()), channel_value_satoshis, secp256k1::global::SECP256K1);
+       crate::c_types::ECDSASignature::from_rust(&ret)
 }
 
 
@@ -2035,19 +2073,22 @@ impl Clone for CommitmentTransaction {
 #[allow(unused)]
 /// Used only if an object of this type is returned as a trait impl by a method
 pub(crate) extern "C" fn CommitmentTransaction_clone_void(this_ptr: *const c_void) -> *mut c_void {
-       Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCommitmentTransaction)).clone() })) as *mut c_void
+       Box::into_raw(Box::new(unsafe { (*(this_ptr as *const nativeCommitmentTransaction)).clone() })) as *mut c_void
 }
 #[no_mangle]
 /// Creates a copy of the CommitmentTransaction
 pub extern "C" fn CommitmentTransaction_clone(orig: &CommitmentTransaction) -> CommitmentTransaction {
        orig.clone()
 }
+/// Get a string which allows debug introspection of a CommitmentTransaction object
+pub extern "C" fn CommitmentTransaction_debug_str_void(o: *const c_void) -> Str {
+       alloc::format!("{:?}", unsafe { o as *const crate::lightning::ln::chan_utils::CommitmentTransaction }).into()}
 #[no_mangle]
 /// Serialize the CommitmentTransaction object into a byte array which can be read by CommitmentTransaction_read
 pub extern "C" fn CommitmentTransaction_write(obj: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
 }
-#[no_mangle]
+#[allow(unused)]
 pub(crate) extern "C" fn CommitmentTransaction_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCommitmentTransaction) })
 }
@@ -2066,6 +2107,14 @@ pub extern "C" fn CommitmentTransaction_commitment_number(this_arg: &crate::ligh
        ret
 }
 
+/// The per commitment point used by the broadcaster.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn CommitmentTransaction_per_commitment_point(this_arg: &crate::lightning::ln::chan_utils::CommitmentTransaction) -> crate::c_types::PublicKey {
+       let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.per_commitment_point();
+       crate::c_types::PublicKey::from_rust(&ret)
+}
+
 /// The value to be sent to the broadcaster
 #[must_use]
 #[no_mangle]
@@ -2119,7 +2168,7 @@ pub extern "C" fn CommitmentTransaction_verify(this_arg: &crate::lightning::ln::
 
 
 use lightning::ln::chan_utils::TrustedCommitmentTransaction as nativeTrustedCommitmentTransactionImport;
-pub(crate) type nativeTrustedCommitmentTransaction = nativeTrustedCommitmentTransactionImport<'static>;
+pub(crate) type nativeTrustedCommitmentTransaction = nativeTrustedCommitmentTransactionImport<'static>;
 
 /// A wrapper on CommitmentTransaction indicating that the derived fields (the built bitcoin
 /// transaction and the transaction creation keys) are trusted.
@@ -2178,7 +2227,7 @@ impl TrustedCommitmentTransaction {
 #[no_mangle]
 pub extern "C" fn TrustedCommitmentTransaction_txid(this_arg: &crate::lightning::ln::chan_utils::TrustedCommitmentTransaction) -> crate::c_types::ThirtyTwoBytes {
        let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.txid();
-       crate::c_types::ThirtyTwoBytes { data: ret.into_inner() }
+       crate::c_types::ThirtyTwoBytes { data: *ret.as_ref() }
 }
 
 /// The pre-built Bitcoin commitment transaction
@@ -2200,9 +2249,9 @@ 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 +2262,45 @@ 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::ScriptBuf::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
 }