X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fln%2Fchan_utils.rs;h=0b0c8b2310b17dbd447a1eae5189553598b0be5c;hb=2f70a371708dbfde3fa6abfcc0315736d2795a01;hp=08abca5907f033d09dd6022ee917225c0fd4f1ff;hpb=c809fde8131b3ffdb6e5c73709e85d918a87c87d;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/ln/chan_utils.rs b/lightning-c-bindings/src/lightning/ln/chan_utils.rs index 08abca5..0b0c8b2 100644 --- a/lightning-c-bindings/src/lightning/ln/chan_utils.rs +++ b/lightning-c-bindings/src/lightning/ln/chan_utils.rs @@ -17,6 +17,24 @@ use crate::c_types::*; #[cfg(feature="no-std")] use alloc::{vec::Vec, boxed::Box}; +/// Maximum number of one-way in-flight HTLC (protocol-level value). + +#[no_mangle] +pub static MAX_HTLCS: u16 = lightning::ln::chan_utils::MAX_HTLCS; +/// The weight of a BIP141 witnessScript for a BOLT3's \"offered HTLC output\" on a commitment transaction, non-anchor variant. + +#[no_mangle] +pub static OFFERED_HTLC_SCRIPT_WEIGHT: usize = lightning::ln::chan_utils::OFFERED_HTLC_SCRIPT_WEIGHT; +/// The weight of a BIP141 witnessScript for a BOLT3's \"offered HTLC output\" on a commitment transaction, anchor variant. + +#[no_mangle] +pub static OFFERED_HTLC_SCRIPT_WEIGHT_ANCHORS: usize = lightning::ln::chan_utils::OFFERED_HTLC_SCRIPT_WEIGHT_ANCHORS; +/// The weight of a BIP141 witnessScript for a BOLT3's \"received HTLC output\" can vary in function of its CLTV argument value. +/// We define a range that encompasses both its non-anchors and anchors variants. +/// This is the maximum post-anchor value. + +#[no_mangle] +pub static MAX_ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = lightning::ln::chan_utils::MAX_ACCEPTED_HTLC_SCRIPT_WEIGHT; /// Gets the weight for an HTLC-Success transaction. #[no_mangle] pub extern "C" fn htlc_success_tx_weight(mut opt_anchors: bool) -> u64 { @@ -31,6 +49,107 @@ pub extern "C" fn htlc_timeout_tx_weight(mut opt_anchors: bool) -> u64 { ret } +/// Describes the type of HTLC claim as determined by analyzing the witness. +#[derive(Clone)] +#[must_use] +#[repr(C)] +pub enum HTLCClaim { + /// Claims an offered output on a commitment transaction through the timeout path. + OfferedTimeout, + /// Claims an offered output on a commitment transaction through the success path. + OfferedPreimage, + /// Claims an accepted output on a commitment transaction through the timeout path. + AcceptedTimeout, + /// Claims an accepted output on a commitment transaction through the success path. + AcceptedPreimage, + /// Claims an offered/accepted output on a commitment transaction through the revocation path. + Revocation, +} +use lightning::ln::chan_utils::HTLCClaim as HTLCClaimImport; +pub(crate) type nativeHTLCClaim = HTLCClaimImport; + +impl HTLCClaim { + #[allow(unused)] + pub(crate) fn to_native(&self) -> nativeHTLCClaim { + match self { + HTLCClaim::OfferedTimeout => nativeHTLCClaim::OfferedTimeout, + HTLCClaim::OfferedPreimage => nativeHTLCClaim::OfferedPreimage, + HTLCClaim::AcceptedTimeout => nativeHTLCClaim::AcceptedTimeout, + HTLCClaim::AcceptedPreimage => nativeHTLCClaim::AcceptedPreimage, + HTLCClaim::Revocation => nativeHTLCClaim::Revocation, + } + } + #[allow(unused)] + pub(crate) fn into_native(self) -> nativeHTLCClaim { + match self { + HTLCClaim::OfferedTimeout => nativeHTLCClaim::OfferedTimeout, + HTLCClaim::OfferedPreimage => nativeHTLCClaim::OfferedPreimage, + HTLCClaim::AcceptedTimeout => nativeHTLCClaim::AcceptedTimeout, + HTLCClaim::AcceptedPreimage => nativeHTLCClaim::AcceptedPreimage, + HTLCClaim::Revocation => nativeHTLCClaim::Revocation, + } + } + #[allow(unused)] + pub(crate) fn from_native(native: &nativeHTLCClaim) -> Self { + match native { + nativeHTLCClaim::OfferedTimeout => HTLCClaim::OfferedTimeout, + nativeHTLCClaim::OfferedPreimage => HTLCClaim::OfferedPreimage, + nativeHTLCClaim::AcceptedTimeout => HTLCClaim::AcceptedTimeout, + nativeHTLCClaim::AcceptedPreimage => HTLCClaim::AcceptedPreimage, + nativeHTLCClaim::Revocation => HTLCClaim::Revocation, + } + } + #[allow(unused)] + pub(crate) fn native_into(native: nativeHTLCClaim) -> Self { + match native { + nativeHTLCClaim::OfferedTimeout => HTLCClaim::OfferedTimeout, + nativeHTLCClaim::OfferedPreimage => HTLCClaim::OfferedPreimage, + nativeHTLCClaim::AcceptedTimeout => HTLCClaim::AcceptedTimeout, + nativeHTLCClaim::AcceptedPreimage => HTLCClaim::AcceptedPreimage, + nativeHTLCClaim::Revocation => HTLCClaim::Revocation, + } + } +} +/// Creates a copy of the HTLCClaim +#[no_mangle] +pub extern "C" fn HTLCClaim_clone(orig: &HTLCClaim) -> HTLCClaim { + orig.clone() +} +#[no_mangle] +/// Utility method to constructs a new OfferedTimeout-variant HTLCClaim +pub extern "C" fn HTLCClaim_offered_timeout() -> HTLCClaim { + HTLCClaim::OfferedTimeout} +#[no_mangle] +/// Utility method to constructs a new OfferedPreimage-variant HTLCClaim +pub extern "C" fn HTLCClaim_offered_preimage() -> HTLCClaim { + HTLCClaim::OfferedPreimage} +#[no_mangle] +/// Utility method to constructs a new AcceptedTimeout-variant HTLCClaim +pub extern "C" fn HTLCClaim_accepted_timeout() -> HTLCClaim { + HTLCClaim::AcceptedTimeout} +#[no_mangle] +/// Utility method to constructs a new AcceptedPreimage-variant HTLCClaim +pub extern "C" fn HTLCClaim_accepted_preimage() -> HTLCClaim { + HTLCClaim::AcceptedPreimage} +#[no_mangle] +/// Utility method to constructs a new Revocation-variant HTLCClaim +pub extern "C" fn HTLCClaim_revocation() -> HTLCClaim { + HTLCClaim::Revocation} +/// Checks if two HTLCClaims contain equal inner contents. +/// This ignores pointers and is_owned flags and looks at the values in fields. +#[no_mangle] +pub extern "C" fn HTLCClaim_eq(a: &HTLCClaim, b: &HTLCClaim) -> bool { + if &a.to_native() == &b.to_native() { true } else { false } +} +/// Check if a given input witness attempts to claim a HTLC. +#[must_use] +#[no_mangle] +pub extern "C" fn HTLCClaim_from_witness(mut witness: crate::c_types::Witness) -> crate::c_types::derived::COption_HTLCClaimZ { + let mut ret = lightning::ln::chan_utils::HTLCClaim::from_witness(&witness.into_bitcoin()); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_HTLCClaimZ::None } else { crate::c_types::derived::COption_HTLCClaimZ::Some( { crate::lightning::ln::chan_utils::HTLCClaim::native_into(ret.unwrap()) }) }; + local_ret +} + /// Build the commitment secret from the seed and the commitment number #[no_mangle] pub extern "C" fn build_commitment_secret(commitment_seed: *const [u8; 32], mut idx: u64) -> crate::c_types::ThirtyTwoBytes { @@ -82,7 +201,7 @@ pub extern "C" fn CounterpartyCommitmentSecrets_free(this_obj: CounterpartyCommi #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method pub(crate) extern "C" fn CounterpartyCommitmentSecrets_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyCommitmentSecrets); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeCounterpartyCommitmentSecrets) }; } #[allow(unused)] impl CounterpartyCommitmentSecrets { @@ -176,27 +295,19 @@ pub extern "C" fn CounterpartyCommitmentSecrets_read(ser: crate::c_types::u8slic } /// Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key) /// from the base secret and the per_commitment_point. -/// -/// 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_private_key(mut per_commitment_point: crate::c_types::PublicKey, base_secret: *const [u8; 32]) -> crate::c_types::derived::CResult_SecretKeyErrorZ { +pub extern "C" fn derive_private_key(mut per_commitment_point: crate::c_types::PublicKey, base_secret: *const [u8; 32]) -> crate::c_types::SecretKey { let mut ret = lightning::ln::chan_utils::derive_private_key(secp256k1::global::SECP256K1, &per_commitment_point.into_rust(), &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *base_secret}[..]).unwrap()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SecretKey::from_rust(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + 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. -/// -/// 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_key(mut per_commitment_point: crate::c_types::PublicKey, mut base_point: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_PublicKeyErrorZ { +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()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + crate::c_types::PublicKey::from_rust(&ret) } /// Derives a per-commitment-transaction revocation key from its constituent parts. @@ -205,14 +316,10 @@ pub extern "C" fn derive_public_key(mut per_commitment_point: crate::c_types::Pu /// commitment transaction, thus per_commitment_secret always come from cheater /// and revocation_base_secret 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_private_revocation_key(per_commitment_secret: *const [u8; 32], countersignatory_revocation_base_secret: *const [u8; 32]) -> crate::c_types::derived::CResult_SecretKeyErrorZ { +pub extern "C" fn derive_private_revocation_key(per_commitment_secret: *const [u8; 32], countersignatory_revocation_base_secret: *const [u8; 32]) -> crate::c_types::SecretKey { let mut ret = lightning::ln::chan_utils::derive_private_revocation_key(secp256k1::global::SECP256K1, &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *per_commitment_secret}[..]).unwrap(), &::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *countersignatory_revocation_base_secret}[..]).unwrap()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::SecretKey::from_rust(o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + crate::c_types::SecretKey::from_rust(ret) } /// Derives a per-commitment-transaction revocation public key from its constituent parts. This is @@ -227,10 +334,9 @@ pub extern "C" fn derive_private_revocation_key(per_commitment_secret: *const [u /// 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::derived::CResult_PublicKeyErrorZ { +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()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::PublicKey::from_rust(&o) }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + crate::c_types::PublicKey::from_rust(&ret) } @@ -276,7 +382,7 @@ pub extern "C" fn TxCreationKeys_free(this_obj: 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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTxCreationKeys); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeTxCreationKeys) }; } #[allow(unused)] impl TxCreationKeys { @@ -442,7 +548,7 @@ pub extern "C" fn ChannelPublicKeys_free(this_obj: 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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelPublicKeys); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeChannelPublicKeys) }; } #[allow(unused)] impl ChannelPublicKeys { @@ -593,20 +699,18 @@ 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::c_types::derived::CResult_TxCreationKeysErrorZ { +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()); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::ln::chan_utils::TxCreationKeys { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + crate::lightning::ln::chan_utils::TxCreationKeys { inner: ObjOps::heap_alloc(ret), is_owned: true } } /// Generate per-state keys from channel static keys. /// 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_from_channel_static_keys(mut per_commitment_point: crate::c_types::PublicKey, broadcaster_keys: &crate::lightning::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::lightning::ln::chan_utils::ChannelPublicKeys) -> crate::c_types::derived::CResult_TxCreationKeysErrorZ { +pub extern "C" fn TxCreationKeys_from_channel_static_keys(mut per_commitment_point: crate::c_types::PublicKey, broadcaster_keys: &crate::lightning::ln::chan_utils::ChannelPublicKeys, countersignatory_keys: &crate::lightning::ln::chan_utils::ChannelPublicKeys) -> crate::lightning::ln::chan_utils::TxCreationKeys { let mut ret = lightning::ln::chan_utils::TxCreationKeys::from_channel_static_keys(&per_commitment_point.into_rust(), broadcaster_keys.get_native_ref(), countersignatory_keys.get_native_ref(), secp256k1::global::SECP256K1); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::ln::chan_utils::TxCreationKeys { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::c_types::Secp256k1Error::from_rust(e) }).into() }; - local_ret + crate::lightning::ln::chan_utils::TxCreationKeys { inner: ObjOps::heap_alloc(ret), is_owned: true } } /// The maximum length of a script returned by get_revokeable_redeemscript. @@ -655,7 +759,7 @@ pub extern "C" fn HTLCOutputInCommitment_free(this_obj: 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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeHTLCOutputInCommitment); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeHTLCOutputInCommitment) }; } #[allow(unused)] impl HTLCOutputInCommitment { @@ -823,11 +927,28 @@ 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 broadcaster_delayed_payment_key: crate::c_types::PublicKey, mut revocation_key: crate::c_types::PublicKey) -> crate::c_types::Transaction { - let mut ret = lightning::ln::chan_utils::build_htlc_transaction(&::bitcoin::hash_types::Txid::from_slice(&unsafe { &*commitment_txid }[..]).unwrap(), feerate_per_kw, contest_delay, htlc.get_native_ref(), opt_anchors, &broadcaster_delayed_payment_key.into_rust(), &revocation_key.into_rust()); +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()); 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); + crate::c_types::Witness::from_bitcoin(&ret) +} + +/// Gets the witnessScript for the to_remote output when anchors are enabled. +#[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() +} + /// Gets the witnessScript for an anchor output from the funding public key. /// The witness in the spending input must be: /// @@ -840,6 +961,13 @@ pub extern "C" fn get_anchor_redeemscript(mut funding_pubkey: crate::c_types::Pu ret.into_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 { + 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) +} + use lightning::ln::chan_utils::ChannelTransactionParameters as nativeChannelTransactionParametersImport; pub(crate) type nativeChannelTransactionParameters = nativeChannelTransactionParametersImport; @@ -877,7 +1005,7 @@ pub extern "C" fn ChannelTransactionParameters_free(this_obj: ChannelTransaction #[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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelTransactionParameters); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeChannelTransactionParameters) }; } #[allow(unused)] impl ChannelTransactionParameters { @@ -981,13 +1109,31 @@ pub extern "C" fn ChannelTransactionParameters_set_opt_anchors(this_ptr: &mut Ch 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; } +/// 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_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; +} /// Constructs a new ChannelTransactionParameters given each field #[must_use] #[no_mangle] -pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate::lightning::ln::chan_utils::ChannelPublicKeys, mut holder_selected_contest_delay_arg: u16, mut is_outbound_from_holder_arg: bool, mut counterparty_parameters_arg: crate::lightning::ln::chan_utils::CounterpartyChannelTransactionParameters, mut funding_outpoint_arg: crate::lightning::chain::transaction::OutPoint, mut opt_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 opt_anchors_arg: crate::c_types::derived::COption_NoneZ, mut opt_non_zero_fee_anchors_arg: crate::c_types::derived::COption_NoneZ) -> ChannelTransactionParameters { let mut local_counterparty_parameters_arg = if counterparty_parameters_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(counterparty_parameters_arg.take_inner()) } }) }; let mut local_funding_outpoint_arg = if funding_outpoint_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(funding_outpoint_arg.take_inner()) } }) }; let mut local_opt_anchors_arg = if opt_anchors_arg.is_some() { Some( { () /*opt_anchors_arg.take()*/ }) } else { None }; + 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, @@ -995,6 +1141,7 @@ pub extern "C" fn ChannelTransactionParameters_new(mut holder_pubkeys_arg: crate 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, }), is_owned: true } } impl Clone for ChannelTransactionParameters { @@ -1049,7 +1196,7 @@ pub extern "C" fn CounterpartyChannelTransactionParameters_free(this_obj: Counte #[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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyChannelTransactionParameters); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeCounterpartyChannelTransactionParameters) }; } #[allow(unused)] impl CounterpartyChannelTransactionParameters { @@ -1216,7 +1363,7 @@ pub extern "C" fn DirectedChannelTransactionParameters_free(this_obj: DirectedCh #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method pub(crate) extern "C" fn DirectedChannelTransactionParameters_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeDirectedChannelTransactionParameters); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeDirectedChannelTransactionParameters) }; } #[allow(unused)] impl DirectedChannelTransactionParameters { @@ -1321,7 +1468,7 @@ pub extern "C" fn HolderCommitmentTransaction_free(this_obj: HolderCommitmentTra #[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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeHolderCommitmentTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeHolderCommitmentTransaction) }; } #[allow(unused)] impl HolderCommitmentTransaction { @@ -1443,7 +1590,7 @@ pub extern "C" fn BuiltCommitmentTransaction_free(this_obj: BuiltCommitmentTrans #[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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeBuiltCommitmentTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeBuiltCommitmentTransaction) }; } #[allow(unused)] impl BuiltCommitmentTransaction { @@ -1589,7 +1736,7 @@ pub extern "C" fn ClosingTransaction_free(this_obj: 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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeClosingTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeClosingTransaction) }; } #[allow(unused)] impl ClosingTransaction { @@ -1750,7 +1897,7 @@ pub extern "C" fn TrustedClosingTransaction_free(this_obj: TrustedClosingTransac #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method pub(crate) extern "C" fn TrustedClosingTransaction_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTrustedClosingTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeTrustedClosingTransaction) }; } #[allow(unused)] impl TrustedClosingTransaction { @@ -1833,7 +1980,7 @@ pub extern "C" fn CommitmentTransaction_free(this_obj: 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_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCommitmentTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeCommitmentTransaction) }; } #[allow(unused)] impl CommitmentTransaction { @@ -1983,7 +2130,7 @@ pub extern "C" fn TrustedCommitmentTransaction_free(this_obj: TrustedCommitmentT #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method pub(crate) extern "C" fn TrustedCommitmentTransaction_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeTrustedCommitmentTransaction); } + let _ = unsafe { Box::from_raw(this_ptr as *mut nativeTrustedCommitmentTransaction) }; } #[allow(unused)] impl TrustedCommitmentTransaction {