X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Frouting%2Fscoring.rs;fp=lightning-c-bindings%2Fsrc%2Flightning%2Frouting%2Fscoring.rs;h=a45f706391b500a39ad8e9ae21854167e1feb004;hp=0923a5598d8597308f626539383a3e3812920ace;hb=45ad3320df3768514d968c70fc4b6a9d50028050;hpb=c014ce6a2df808ffec747f9a327c7f97bb1e3d08 diff --git a/lightning-c-bindings/src/lightning/routing/scoring.rs b/lightning-c-bindings/src/lightning/routing/scoring.rs index 0923a55..a45f706 100644 --- a/lightning-c-bindings/src/lightning/routing/scoring.rs +++ b/lightning-c-bindings/src/lightning/routing/scoring.rs @@ -14,35 +14,35 @@ //! # Example //! //! ``` -//! # extern crate secp256k1; +//! # extern crate bitcoin; //! # -//! # use lightning::routing::network_graph::NetworkGraph; +//! # use lightning::routing::gossip::NetworkGraph; //! # use lightning::routing::router::{RouteParameters, find_route}; -//! # use lightning::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringParameters, Scorer, ScoringParameters}; +//! # use lightning::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringParameters}; //! # use lightning::chain::keysinterface::{KeysManager, KeysInterface}; //! # use lightning::util::logger::{Logger, Record}; -//! # use secp256k1::key::PublicKey; +//! # use bitcoin::secp256k1::PublicKey; //! # //! # struct FakeLogger {}; //! # impl Logger for FakeLogger { //! # fn log(&self, record: &Record) { unimplemented!() } //! # } -//! # fn find_scored_route(payer: PublicKey, route_params: RouteParameters, network_graph: NetworkGraph) { +//! # fn find_scored_route(payer: PublicKey, route_params: RouteParameters, network_graph: NetworkGraph<&FakeLogger>) { //! # let logger = FakeLogger {}; //! # //! // Use the default channel penalties. //! let params = ProbabilisticScoringParameters::default(); -//! let scorer = ProbabilisticScorer::new(params, &network_graph); +//! let scorer = ProbabilisticScorer::new(params, &network_graph, &logger); //! //! // Or use custom channel penalties. //! let params = ProbabilisticScoringParameters { //! liquidity_penalty_multiplier_msat: 2 * 1000, //! ..ProbabilisticScoringParameters::default() //! }; -//! let scorer = ProbabilisticScorer::new(params, &network_graph); +//! let scorer = ProbabilisticScorer::new(params, &network_graph, &logger); //! # let random_seed_bytes = [42u8; 32]; //! -//! let route = find_route(&payer, &route_params, &network_graph, None, &logger, &scorer, &random_seed_bytes); +//! let route = find_route(&payer, &route_params, &network_graph.read_only(), None, &logger, &scorer, &random_seed_bytes); //! # } //! ``` //! @@ -78,7 +78,7 @@ pub struct Score { /// [`u64::max_value`] is given to indicate sufficient capacity for the invoice's full amount. /// Thus, implementations should be overflow-safe. #[must_use] - pub channel_penalty_msat: extern "C" fn (this_arg: *const c_void, short_channel_id: u64, send_amt_msat: u64, capacity_msat: u64, source: &crate::lightning::routing::network_graph::NodeId, target: &crate::lightning::routing::network_graph::NodeId) -> u64, + pub channel_penalty_msat: extern "C" fn (this_arg: *const c_void, short_channel_id: u64, source: &crate::lightning::routing::gossip::NodeId, target: &crate::lightning::routing::gossip::NodeId, usage: crate::lightning::routing::scoring::ChannelUsage) -> u64, /// Handles updating channel penalties after failing to route through a channel. pub payment_path_failed: extern "C" fn (this_arg: *mut c_void, path: crate::c_types::derived::CVec_RouteHopZ, short_channel_id: u64), /// Handles updating channel penalties after successfully routing along a path. @@ -111,8 +111,8 @@ impl lightning::util::ser::Writeable for Score { use lightning::routing::scoring::Score as rustScore; impl rustScore for Score { - fn channel_penalty_msat(&self, mut short_channel_id: u64, mut send_amt_msat: u64, mut capacity_msat: u64, mut source: &lightning::routing::network_graph::NodeId, mut target: &lightning::routing::network_graph::NodeId) -> u64 { - let mut ret = (self.channel_penalty_msat)(self.this_arg, short_channel_id, send_amt_msat, capacity_msat, &crate::lightning::routing::network_graph::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((source as *const lightning::routing::network_graph::NodeId<>) as *mut _) }, is_owned: false }, &crate::lightning::routing::network_graph::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((target as *const lightning::routing::network_graph::NodeId<>) as *mut _) }, is_owned: false }); + fn channel_penalty_msat(&self, mut short_channel_id: u64, mut source: &lightning::routing::gossip::NodeId, mut target: &lightning::routing::gossip::NodeId, mut usage: lightning::routing::scoring::ChannelUsage) -> u64 { + let mut ret = (self.channel_penalty_msat)(self.this_arg, short_channel_id, &crate::lightning::routing::gossip::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((source as *const lightning::routing::gossip::NodeId<>) as *mut _) }, is_owned: false }, &crate::lightning::routing::gossip::NodeId { inner: unsafe { ObjOps::nonnull_ptr_to_inner((target as *const lightning::routing::gossip::NodeId<>) as *mut _) }, is_owned: false }, crate::lightning::routing::scoring::ChannelUsage { inner: ObjOps::heap_alloc(usage), is_owned: true }); ret } fn payment_path_failed(&mut self, mut path: &[&lightning::routing::router::RouteHop], mut short_channel_id: u64) { @@ -252,6 +252,15 @@ impl MultiThreadedLockableScore { ret } } +#[no_mangle] +/// Serialize the MultiThreadedLockableScore object into a byte array which can be read by MultiThreadedLockableScore_read +pub extern "C" fn MultiThreadedLockableScore_write(obj: &crate::lightning::routing::scoring::MultiThreadedLockableScore) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn MultiThreadedLockableScore_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeMultiThreadedLockableScore) }) +} /// Creates a new [`MultiThreadedLockableScore`] given an underlying [`Score`]. #[must_use] #[no_mangle] @@ -261,18 +270,18 @@ pub extern "C" fn MultiThreadedLockableScore_new(mut score: crate::lightning::ro } -use lightning::routing::scoring::FixedPenaltyScorer as nativeFixedPenaltyScorerImport; -pub(crate) type nativeFixedPenaltyScorer = nativeFixedPenaltyScorerImport; +use lightning::routing::scoring::ChannelUsage as nativeChannelUsageImport; +pub(crate) type nativeChannelUsage = nativeChannelUsageImport; -/// [`Score`] implementation that uses a fixed penalty. +/// Proposed use of a channel passed as a parameter to [`Score::channel_penalty_msat`]. #[must_use] #[repr(C)] -pub struct FixedPenaltyScorer { +pub struct ChannelUsage { /// A pointer to the opaque Rust object. /// Nearly everywhere, inner must be non-null, however in places where /// the Rust equivalent takes an Option, it may be set to null to indicate None. - pub inner: *mut nativeFixedPenaltyScorer, + pub inner: *mut nativeChannelUsage, /// Indicates that this is the only struct which contains the same pointer. /// Rust functions which take ownership of an object provided via an argument require @@ -280,195 +289,114 @@ pub struct FixedPenaltyScorer { pub is_owned: bool, } -impl Drop for FixedPenaltyScorer { +impl Drop for ChannelUsage { fn drop(&mut self) { - if self.is_owned && !<*mut nativeFixedPenaltyScorer>::is_null(self.inner) { + if self.is_owned && !<*mut nativeChannelUsage>::is_null(self.inner) { let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } -/// Frees any resources used by the FixedPenaltyScorer, if is_owned is set and inner is non-NULL. +/// Frees any resources used by the ChannelUsage, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn FixedPenaltyScorer_free(this_obj: FixedPenaltyScorer) { } +pub extern "C" fn ChannelUsage_free(this_obj: ChannelUsage) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn FixedPenaltyScorer_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeFixedPenaltyScorer); } +pub(crate) extern "C" fn ChannelUsage_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelUsage); } } #[allow(unused)] -impl FixedPenaltyScorer { - pub(crate) fn get_native_ref(&self) -> &'static nativeFixedPenaltyScorer { +impl ChannelUsage { + pub(crate) fn get_native_ref(&self) -> &'static nativeChannelUsage { unsafe { &*ObjOps::untweak_ptr(self.inner) } } - pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeFixedPenaltyScorer { + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelUsage { unsafe { &mut *ObjOps::untweak_ptr(self.inner) } } /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy - pub(crate) fn take_inner(mut self) -> *mut nativeFixedPenaltyScorer { + pub(crate) fn take_inner(mut self) -> *mut nativeChannelUsage { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); self.inner = core::ptr::null_mut(); ret } } -impl Clone for FixedPenaltyScorer { - fn clone(&self) -> Self { - Self { - inner: if <*mut nativeFixedPenaltyScorer>::is_null(self.inner) { core::ptr::null_mut() } else { - ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, - is_owned: true, - } - } -} -#[allow(unused)] -/// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn FixedPenaltyScorer_clone_void(this_ptr: *const c_void) -> *mut c_void { - Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeFixedPenaltyScorer)).clone() })) as *mut c_void -} +/// The amount to send through the channel, denominated in millisatoshis. #[no_mangle] -/// Creates a copy of the FixedPenaltyScorer -pub extern "C" fn FixedPenaltyScorer_clone(orig: &FixedPenaltyScorer) -> FixedPenaltyScorer { - orig.clone() +pub extern "C" fn ChannelUsage_get_amount_msat(this_ptr: &ChannelUsage) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().amount_msat; + *inner_val } -/// Creates a new scorer using `penalty_msat`. -#[must_use] +/// The amount to send through the channel, denominated in millisatoshis. #[no_mangle] -pub extern "C" fn FixedPenaltyScorer_with_penalty(mut penalty_msat: u64) -> crate::lightning::routing::scoring::FixedPenaltyScorer { - let mut ret = lightning::routing::scoring::FixedPenaltyScorer::with_penalty(penalty_msat); - crate::lightning::routing::scoring::FixedPenaltyScorer { inner: ObjOps::heap_alloc(ret), is_owned: true } +pub extern "C" fn ChannelUsage_set_amount_msat(this_ptr: &mut ChannelUsage, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.amount_msat = val; } - -impl From for crate::lightning::routing::scoring::Score { - fn from(obj: nativeFixedPenaltyScorer) -> Self { - let mut rust_obj = FixedPenaltyScorer { inner: ObjOps::heap_alloc(obj), is_owned: true }; - let mut ret = FixedPenaltyScorer_as_Score(&rust_obj); - // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = core::ptr::null_mut(); - ret.free = Some(FixedPenaltyScorer_free_void); - ret - } -} -/// Constructs a new Score which calls the relevant methods on this_arg. -/// This copies the `inner` pointer in this_arg and thus the returned Score must be freed before this_arg is +/// Total amount, denominated in millisatoshis, already allocated to send through the channel +/// as part of a multi-path payment. #[no_mangle] -pub extern "C" fn FixedPenaltyScorer_as_Score(this_arg: &FixedPenaltyScorer) -> crate::lightning::routing::scoring::Score { - crate::lightning::routing::scoring::Score { - this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, - free: None, - channel_penalty_msat: FixedPenaltyScorer_Score_channel_penalty_msat, - payment_path_failed: FixedPenaltyScorer_Score_payment_path_failed, - payment_path_successful: FixedPenaltyScorer_Score_payment_path_successful, - write: FixedPenaltyScorer_write_void, - } -} - -#[must_use] -extern "C" fn FixedPenaltyScorer_Score_channel_penalty_msat(this_arg: *const c_void, unused_0: u64, unused_1: u64, unused_2: u64, unused_3: &crate::lightning::routing::network_graph::NodeId, unused_4: &crate::lightning::routing::network_graph::NodeId) -> u64 { - let mut ret = >::channel_penalty_msat(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, unused_0, unused_1, unused_2, unused_3.get_native_ref(), unused_4.get_native_ref()); - ret -} -extern "C" fn FixedPenaltyScorer_Score_payment_path_failed(this_arg: *mut c_void, mut _path: crate::c_types::derived::CVec_RouteHopZ, mut _short_channel_id: u64) { - let mut local__path = Vec::new(); for mut item in _path.as_slice().iter() { local__path.push( { item.get_native_ref() }); }; - >::payment_path_failed(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, &local__path[..], _short_channel_id) -} -extern "C" fn FixedPenaltyScorer_Score_payment_path_successful(this_arg: *mut c_void, mut _path: crate::c_types::derived::CVec_RouteHopZ) { - let mut local__path = Vec::new(); for mut item in _path.as_slice().iter() { local__path.push( { item.get_native_ref() }); }; - >::payment_path_successful(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, &local__path[..]) +pub extern "C" fn ChannelUsage_get_inflight_htlc_msat(this_ptr: &ChannelUsage) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().inflight_htlc_msat; + *inner_val } - +/// Total amount, denominated in millisatoshis, already allocated to send through the channel +/// as part of a multi-path payment. #[no_mangle] -/// Serialize the FixedPenaltyScorer object into a byte array which can be read by FixedPenaltyScorer_read -pub extern "C" fn FixedPenaltyScorer_write(obj: &crate::lightning::routing::scoring::FixedPenaltyScorer) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +pub extern "C" fn ChannelUsage_set_inflight_htlc_msat(this_ptr: &mut ChannelUsage, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.inflight_htlc_msat = val; } +/// The effective capacity of the channel. #[no_mangle] -pub(crate) extern "C" fn FixedPenaltyScorer_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeFixedPenaltyScorer) }) +pub extern "C" fn ChannelUsage_get_effective_capacity(this_ptr: &ChannelUsage) -> crate::lightning::routing::gossip::EffectiveCapacity { + let mut inner_val = &mut this_ptr.get_native_mut_ref().effective_capacity; + crate::lightning::routing::gossip::EffectiveCapacity::from_native(inner_val) } +/// The effective capacity of the channel. #[no_mangle] -/// Read a FixedPenaltyScorer from a byte array, created by FixedPenaltyScorer_write -pub extern "C" fn FixedPenaltyScorer_read(ser: crate::c_types::u8slice, arg: u64) -> crate::c_types::derived::CResult_FixedPenaltyScorerDecodeErrorZ { - let arg_conv = arg; - let res: Result = crate::c_types::deserialize_obj_arg(ser, arg_conv); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::scoring::FixedPenaltyScorer { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; - local_res +pub extern "C" fn ChannelUsage_set_effective_capacity(this_ptr: &mut ChannelUsage, mut val: crate::lightning::routing::gossip::EffectiveCapacity) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.effective_capacity = val.into_native(); } - -use lightning::routing::scoring::Scorer as nativeScorerImport; -pub(crate) type nativeScorer = nativeScorerImport; - -/// [`Score`] implementation that provides reasonable default behavior. -/// -/// Used to apply a fixed penalty to each channel, thus avoiding long paths when shorter paths with -/// slightly higher fees are available. Will further penalize channels that fail to relay payments. -/// -/// See [module-level documentation] for usage and [`ScoringParameters`] for customization. -/// -/// # Note -/// -/// Mixing the `no-std` feature between serialization and deserialization results in undefined -/// behavior. -/// -/// [module-level documentation]: crate::routing::scoring +/// Constructs a new ChannelUsage given each field #[must_use] -#[repr(C)] -pub struct Scorer { - /// A pointer to the opaque Rust object. - - /// Nearly everywhere, inner must be non-null, however in places where - /// the Rust equivalent takes an Option, it may be set to null to indicate None. - pub inner: *mut nativeScorer, - /// Indicates that this is the only struct which contains the same pointer. - - /// Rust functions which take ownership of an object provided via an argument require - /// this to be true and invalidate the object pointed to by inner. - pub is_owned: bool, +#[no_mangle] +pub extern "C" fn ChannelUsage_new(mut amount_msat_arg: u64, mut inflight_htlc_msat_arg: u64, mut effective_capacity_arg: crate::lightning::routing::gossip::EffectiveCapacity) -> ChannelUsage { + ChannelUsage { inner: ObjOps::heap_alloc(nativeChannelUsage { + amount_msat: amount_msat_arg, + inflight_htlc_msat: inflight_htlc_msat_arg, + effective_capacity: effective_capacity_arg.into_native(), + }), is_owned: true } } - -impl Drop for Scorer { - fn drop(&mut self) { - if self.is_owned && !<*mut nativeScorer>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; +impl Clone for ChannelUsage { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeChannelUsage>::is_null(self.inner) { core::ptr::null_mut() } else { + ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, + is_owned: true, } } } -/// Frees any resources used by the Scorer, if is_owned is set and inner is non-NULL. -#[no_mangle] -pub extern "C" fn Scorer_free(this_obj: Scorer) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn Scorer_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeScorer); } +pub(crate) extern "C" fn ChannelUsage_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelUsage)).clone() })) as *mut c_void } -#[allow(unused)] -impl Scorer { - pub(crate) fn get_native_ref(&self) -> &'static nativeScorer { - unsafe { &*ObjOps::untweak_ptr(self.inner) } - } - pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeScorer { - unsafe { &mut *ObjOps::untweak_ptr(self.inner) } - } - /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy - pub(crate) fn take_inner(mut self) -> *mut nativeScorer { - assert!(self.is_owned); - let ret = ObjOps::untweak_ptr(self.inner); - self.inner = core::ptr::null_mut(); - ret - } +#[no_mangle] +/// Creates a copy of the ChannelUsage +pub extern "C" fn ChannelUsage_clone(orig: &ChannelUsage) -> ChannelUsage { + orig.clone() } -use lightning::routing::scoring::ScoringParameters as nativeScoringParametersImport; -pub(crate) type nativeScoringParameters = nativeScoringParametersImport; +use lightning::routing::scoring::FixedPenaltyScorer as nativeFixedPenaltyScorerImport; +pub(crate) type nativeFixedPenaltyScorer = nativeFixedPenaltyScorerImport; -/// Parameters for configuring [`Scorer`]. +/// [`Score`] implementation that uses a fixed penalty. #[must_use] #[repr(C)] -pub struct ScoringParameters { +pub struct FixedPenaltyScorer { /// A pointer to the opaque Rust object. /// Nearly everywhere, inner must be non-null, however in places where /// the Rust equivalent takes an Option, it may be set to null to indicate None. - pub inner: *mut nativeScoringParameters, + pub inner: *mut nativeFixedPenaltyScorer, /// Indicates that this is the only struct which contains the same pointer. /// Rust functions which take ownership of an object provided via an argument require @@ -476,172 +404,41 @@ pub struct ScoringParameters { pub is_owned: bool, } -impl Drop for ScoringParameters { +impl Drop for FixedPenaltyScorer { fn drop(&mut self) { - if self.is_owned && !<*mut nativeScoringParameters>::is_null(self.inner) { + if self.is_owned && !<*mut nativeFixedPenaltyScorer>::is_null(self.inner) { let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } -/// Frees any resources used by the ScoringParameters, if is_owned is set and inner is non-NULL. +/// Frees any resources used by the FixedPenaltyScorer, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn ScoringParameters_free(this_obj: ScoringParameters) { } +pub extern "C" fn FixedPenaltyScorer_free(this_obj: FixedPenaltyScorer) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn ScoringParameters_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeScoringParameters); } +pub(crate) extern "C" fn FixedPenaltyScorer_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativeFixedPenaltyScorer); } } #[allow(unused)] -impl ScoringParameters { - pub(crate) fn get_native_ref(&self) -> &'static nativeScoringParameters { +impl FixedPenaltyScorer { + pub(crate) fn get_native_ref(&self) -> &'static nativeFixedPenaltyScorer { unsafe { &*ObjOps::untweak_ptr(self.inner) } } - pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeScoringParameters { + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeFixedPenaltyScorer { unsafe { &mut *ObjOps::untweak_ptr(self.inner) } } /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy - pub(crate) fn take_inner(mut self) -> *mut nativeScoringParameters { + pub(crate) fn take_inner(mut self) -> *mut nativeFixedPenaltyScorer { assert!(self.is_owned); let ret = ObjOps::untweak_ptr(self.inner); self.inner = core::ptr::null_mut(); ret } } -/// A fixed penalty in msats to apply to each channel. -/// -/// Default value: 500 msat -#[no_mangle] -pub extern "C" fn ScoringParameters_get_base_penalty_msat(this_ptr: &ScoringParameters) -> u64 { - let mut inner_val = &mut this_ptr.get_native_mut_ref().base_penalty_msat; - *inner_val -} -/// A fixed penalty in msats to apply to each channel. -/// -/// Default value: 500 msat -#[no_mangle] -pub extern "C" fn ScoringParameters_set_base_penalty_msat(this_ptr: &mut ScoringParameters, mut val: u64) { - unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.base_penalty_msat = val; -} -/// A penalty in msats to apply to a channel upon failing to relay a payment. -/// -/// This accumulates for each failure but may be reduced over time based on -/// [`failure_penalty_half_life`] or when successfully routing through a channel. -/// -/// Default value: 1,024,000 msat -/// -/// [`failure_penalty_half_life`]: Self::failure_penalty_half_life -#[no_mangle] -pub extern "C" fn ScoringParameters_get_failure_penalty_msat(this_ptr: &ScoringParameters) -> u64 { - let mut inner_val = &mut this_ptr.get_native_mut_ref().failure_penalty_msat; - *inner_val -} -/// A penalty in msats to apply to a channel upon failing to relay a payment. -/// -/// This accumulates for each failure but may be reduced over time based on -/// [`failure_penalty_half_life`] or when successfully routing through a channel. -/// -/// Default value: 1,024,000 msat -/// -/// [`failure_penalty_half_life`]: Self::failure_penalty_half_life -#[no_mangle] -pub extern "C" fn ScoringParameters_set_failure_penalty_msat(this_ptr: &mut ScoringParameters, mut val: u64) { - unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.failure_penalty_msat = val; -} -/// When the amount being sent over a channel is this many 1024ths of the total channel -/// capacity, we begin applying [`overuse_penalty_msat_per_1024th`]. -/// -/// Default value: 128 1024ths (i.e. begin penalizing when an HTLC uses 1/8th of a channel) -/// -/// [`overuse_penalty_msat_per_1024th`]: Self::overuse_penalty_msat_per_1024th -#[no_mangle] -pub extern "C" fn ScoringParameters_get_overuse_penalty_start_1024th(this_ptr: &ScoringParameters) -> u16 { - let mut inner_val = &mut this_ptr.get_native_mut_ref().overuse_penalty_start_1024th; - *inner_val -} -/// When the amount being sent over a channel is this many 1024ths of the total channel -/// capacity, we begin applying [`overuse_penalty_msat_per_1024th`]. -/// -/// Default value: 128 1024ths (i.e. begin penalizing when an HTLC uses 1/8th of a channel) -/// -/// [`overuse_penalty_msat_per_1024th`]: Self::overuse_penalty_msat_per_1024th -#[no_mangle] -pub extern "C" fn ScoringParameters_set_overuse_penalty_start_1024th(this_ptr: &mut ScoringParameters, mut val: u16) { - unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.overuse_penalty_start_1024th = val; -} -/// A penalty applied, per whole 1024ths of the channel capacity which the amount being sent -/// over the channel exceeds [`overuse_penalty_start_1024th`] by. -/// -/// Default value: 20 msat (i.e. 2560 msat penalty to use 1/4th of a channel, 7680 msat penalty -/// to use half a channel, and 12,560 msat penalty to use 3/4ths of a channel) -/// -/// [`overuse_penalty_start_1024th`]: Self::overuse_penalty_start_1024th -#[no_mangle] -pub extern "C" fn ScoringParameters_get_overuse_penalty_msat_per_1024th(this_ptr: &ScoringParameters) -> u64 { - let mut inner_val = &mut this_ptr.get_native_mut_ref().overuse_penalty_msat_per_1024th; - *inner_val -} -/// A penalty applied, per whole 1024ths of the channel capacity which the amount being sent -/// over the channel exceeds [`overuse_penalty_start_1024th`] by. -/// -/// Default value: 20 msat (i.e. 2560 msat penalty to use 1/4th of a channel, 7680 msat penalty -/// to use half a channel, and 12,560 msat penalty to use 3/4ths of a channel) -/// -/// [`overuse_penalty_start_1024th`]: Self::overuse_penalty_start_1024th -#[no_mangle] -pub extern "C" fn ScoringParameters_set_overuse_penalty_msat_per_1024th(this_ptr: &mut ScoringParameters, mut val: u64) { - unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.overuse_penalty_msat_per_1024th = val; -} -/// The time required to elapse before any accumulated [`failure_penalty_msat`] penalties are -/// cut in half. -/// -/// Successfully routing through a channel will immediately cut the penalty in half as well. -/// -/// Default value: 1 hour -/// -/// # Note -/// -/// When built with the `no-std` feature, time will never elapse. Therefore, this penalty will -/// never decay. -/// -/// [`failure_penalty_msat`]: Self::failure_penalty_msat -#[no_mangle] -pub extern "C" fn ScoringParameters_get_failure_penalty_half_life(this_ptr: &ScoringParameters) -> u64 { - let mut inner_val = &mut this_ptr.get_native_mut_ref().failure_penalty_half_life; - inner_val.as_secs() -} -/// The time required to elapse before any accumulated [`failure_penalty_msat`] penalties are -/// cut in half. -/// -/// Successfully routing through a channel will immediately cut the penalty in half as well. -/// -/// Default value: 1 hour -/// -/// # Note -/// -/// When built with the `no-std` feature, time will never elapse. Therefore, this penalty will -/// never decay. -/// -/// [`failure_penalty_msat`]: Self::failure_penalty_msat -#[no_mangle] -pub extern "C" fn ScoringParameters_set_failure_penalty_half_life(this_ptr: &mut ScoringParameters, mut val: u64) { - unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.failure_penalty_half_life = core::time::Duration::from_secs(val); -} -/// Constructs a new ScoringParameters given each field -#[must_use] -#[no_mangle] -pub extern "C" fn ScoringParameters_new(mut base_penalty_msat_arg: u64, mut failure_penalty_msat_arg: u64, mut overuse_penalty_start_1024th_arg: u16, mut overuse_penalty_msat_per_1024th_arg: u64, mut failure_penalty_half_life_arg: u64) -> ScoringParameters { - ScoringParameters { inner: ObjOps::heap_alloc(nativeScoringParameters { - base_penalty_msat: base_penalty_msat_arg, - failure_penalty_msat: failure_penalty_msat_arg, - overuse_penalty_start_1024th: overuse_penalty_start_1024th_arg, - overuse_penalty_msat_per_1024th: overuse_penalty_msat_per_1024th_arg, - failure_penalty_half_life: core::time::Duration::from_secs(failure_penalty_half_life_arg), - }), is_owned: true } -} -impl Clone for ScoringParameters { +impl Clone for FixedPenaltyScorer { fn clone(&self) -> Self { Self { - inner: if <*mut nativeScoringParameters>::is_null(self.inner) { core::ptr::null_mut() } else { + inner: if <*mut nativeFixedPenaltyScorer>::is_null(self.inner) { core::ptr::null_mut() } else { ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } @@ -649,107 +446,80 @@ impl Clone for ScoringParameters { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn ScoringParameters_clone_void(this_ptr: *const c_void) -> *mut c_void { - Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeScoringParameters)).clone() })) as *mut c_void +pub(crate) extern "C" fn FixedPenaltyScorer_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeFixedPenaltyScorer)).clone() })) as *mut c_void } #[no_mangle] -/// Creates a copy of the ScoringParameters -pub extern "C" fn ScoringParameters_clone(orig: &ScoringParameters) -> ScoringParameters { +/// Creates a copy of the FixedPenaltyScorer +pub extern "C" fn FixedPenaltyScorer_clone(orig: &FixedPenaltyScorer) -> FixedPenaltyScorer { orig.clone() } -#[no_mangle] -/// Serialize the ScoringParameters object into a byte array which can be read by ScoringParameters_read -pub extern "C" fn ScoringParameters_write(obj: &crate::lightning::routing::scoring::ScoringParameters) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) -} -#[no_mangle] -pub(crate) extern "C" fn ScoringParameters_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeScoringParameters) }) -} -#[no_mangle] -/// Read a ScoringParameters from a byte array, created by ScoringParameters_write -pub extern "C" fn ScoringParameters_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ScoringParametersDecodeErrorZ { - let res: Result = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::scoring::ScoringParameters { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; - local_res -} -/// Creates a new scorer using the given scoring parameters. +/// Creates a new scorer using `penalty_msat`. #[must_use] #[no_mangle] -pub extern "C" fn Scorer_new(mut params: crate::lightning::routing::scoring::ScoringParameters) -> crate::lightning::routing::scoring::Scorer { - let mut ret = lightning::routing::scoring::Scorer::new(*unsafe { Box::from_raw(params.take_inner()) }); - crate::lightning::routing::scoring::Scorer { inner: ObjOps::heap_alloc(ret), is_owned: true } +pub extern "C" fn FixedPenaltyScorer_with_penalty(mut penalty_msat: u64) -> crate::lightning::routing::scoring::FixedPenaltyScorer { + let mut ret = lightning::routing::scoring::FixedPenaltyScorer::with_penalty(penalty_msat); + crate::lightning::routing::scoring::FixedPenaltyScorer { inner: ObjOps::heap_alloc(ret), is_owned: true } } -/// Creates a "default" Scorer. See struct and individual field documentaiton for details on which values are used. -#[must_use] -#[no_mangle] -pub extern "C" fn Scorer_default() -> Scorer { - Scorer { inner: ObjOps::heap_alloc(Default::default()), is_owned: true } -} -/// Creates a "default" ScoringParameters. See struct and individual field documentaiton for details on which values are used. -#[must_use] -#[no_mangle] -pub extern "C" fn ScoringParameters_default() -> ScoringParameters { - ScoringParameters { inner: ObjOps::heap_alloc(Default::default()), is_owned: true } -} -impl From for crate::lightning::routing::scoring::Score { - fn from(obj: nativeScorer) -> Self { - let mut rust_obj = Scorer { inner: ObjOps::heap_alloc(obj), is_owned: true }; - let mut ret = Scorer_as_Score(&rust_obj); +impl From for crate::lightning::routing::scoring::Score { + fn from(obj: nativeFixedPenaltyScorer) -> Self { + let mut rust_obj = FixedPenaltyScorer { inner: ObjOps::heap_alloc(obj), is_owned: true }; + let mut ret = FixedPenaltyScorer_as_Score(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn rust_obj.inner = core::ptr::null_mut(); - ret.free = Some(Scorer_free_void); + ret.free = Some(FixedPenaltyScorer_free_void); ret } } /// Constructs a new Score which calls the relevant methods on this_arg. /// This copies the `inner` pointer in this_arg and thus the returned Score must be freed before this_arg is #[no_mangle] -pub extern "C" fn Scorer_as_Score(this_arg: &Scorer) -> crate::lightning::routing::scoring::Score { +pub extern "C" fn FixedPenaltyScorer_as_Score(this_arg: &FixedPenaltyScorer) -> crate::lightning::routing::scoring::Score { crate::lightning::routing::scoring::Score { this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, - channel_penalty_msat: Scorer_Score_channel_penalty_msat, - payment_path_failed: Scorer_Score_payment_path_failed, - payment_path_successful: Scorer_Score_payment_path_successful, - write: Scorer_write_void, + channel_penalty_msat: FixedPenaltyScorer_Score_channel_penalty_msat, + payment_path_failed: FixedPenaltyScorer_Score_payment_path_failed, + payment_path_successful: FixedPenaltyScorer_Score_payment_path_successful, + write: FixedPenaltyScorer_write_void, } } #[must_use] -extern "C" fn Scorer_Score_channel_penalty_msat(this_arg: *const c_void, mut short_channel_id: u64, mut send_amt_msat: u64, mut capacity_msat: u64, _source: &crate::lightning::routing::network_graph::NodeId, _target: &crate::lightning::routing::network_graph::NodeId) -> u64 { - let mut ret = >::channel_penalty_msat(unsafe { &mut *(this_arg as *mut nativeScorer) }, short_channel_id, send_amt_msat, capacity_msat, _source.get_native_ref(), _target.get_native_ref()); +extern "C" fn FixedPenaltyScorer_Score_channel_penalty_msat(this_arg: *const c_void, unused_0: u64, unused_1: &crate::lightning::routing::gossip::NodeId, unused_2: &crate::lightning::routing::gossip::NodeId, unused_3: crate::lightning::routing::scoring::ChannelUsage) -> u64 { + let mut ret = >::channel_penalty_msat(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, unused_0, unused_1.get_native_ref(), unused_2.get_native_ref(), *unsafe { Box::from_raw(unused_3.take_inner()) }); ret } -extern "C" fn Scorer_Score_payment_path_failed(this_arg: *mut c_void, mut _path: crate::c_types::derived::CVec_RouteHopZ, mut short_channel_id: u64) { +extern "C" fn FixedPenaltyScorer_Score_payment_path_failed(this_arg: *mut c_void, mut _path: crate::c_types::derived::CVec_RouteHopZ, mut _short_channel_id: u64) { let mut local__path = Vec::new(); for mut item in _path.as_slice().iter() { local__path.push( { item.get_native_ref() }); }; - >::payment_path_failed(unsafe { &mut *(this_arg as *mut nativeScorer) }, &local__path[..], short_channel_id) + >::payment_path_failed(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, &local__path[..], _short_channel_id) } -extern "C" fn Scorer_Score_payment_path_successful(this_arg: *mut c_void, mut path: crate::c_types::derived::CVec_RouteHopZ) { - let mut local_path = Vec::new(); for mut item in path.as_slice().iter() { local_path.push( { item.get_native_ref() }); }; - >::payment_path_successful(unsafe { &mut *(this_arg as *mut nativeScorer) }, &local_path[..]) +extern "C" fn FixedPenaltyScorer_Score_payment_path_successful(this_arg: *mut c_void, mut _path: crate::c_types::derived::CVec_RouteHopZ) { + let mut local__path = Vec::new(); for mut item in _path.as_slice().iter() { local__path.push( { item.get_native_ref() }); }; + >::payment_path_successful(unsafe { &mut *(this_arg as *mut nativeFixedPenaltyScorer) }, &local__path[..]) } #[no_mangle] -/// Serialize the Scorer object into a byte array which can be read by Scorer_read -pub extern "C" fn Scorer_write(obj: &crate::lightning::routing::scoring::Scorer) -> crate::c_types::derived::CVec_u8Z { +/// Serialize the FixedPenaltyScorer object into a byte array which can be read by FixedPenaltyScorer_read +pub extern "C" fn FixedPenaltyScorer_write(obj: &crate::lightning::routing::scoring::FixedPenaltyScorer) -> crate::c_types::derived::CVec_u8Z { crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) } #[no_mangle] -pub(crate) extern "C" fn Scorer_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeScorer) }) +pub(crate) extern "C" fn FixedPenaltyScorer_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeFixedPenaltyScorer) }) } #[no_mangle] -/// Read a Scorer from a byte array, created by Scorer_write -pub extern "C" fn Scorer_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ScorerDecodeErrorZ { - let res: Result = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::scoring::Scorer { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; +/// Read a FixedPenaltyScorer from a byte array, created by FixedPenaltyScorer_write +pub extern "C" fn FixedPenaltyScorer_read(ser: crate::c_types::u8slice, arg: u64) -> crate::c_types::derived::CResult_FixedPenaltyScorerDecodeErrorZ { + let arg_conv = arg; + let res: Result = crate::c_types::deserialize_obj_arg(ser, arg_conv); + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::scoring::FixedPenaltyScorer { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; local_res } use lightning::routing::scoring::ProbabilisticScorer as nativeProbabilisticScorerImport; -pub(crate) type nativeProbabilisticScorer = nativeProbabilisticScorerImport<&'static lightning::routing::network_graph::NetworkGraph>; +pub(crate) type nativeProbabilisticScorer = nativeProbabilisticScorerImport<&'static lightning::routing::gossip::NetworkGraph, crate::lightning::util::logger::Logger>; /// [`Score`] implementation using channel success probability distributions. /// @@ -1035,11 +805,20 @@ pub extern "C" fn ProbabilisticScoringParameters_clone(orig: &ProbabilisticScori /// through a network graph. #[must_use] #[no_mangle] -pub extern "C" fn ProbabilisticScorer_new(mut params: crate::lightning::routing::scoring::ProbabilisticScoringParameters, network_graph: &crate::lightning::routing::network_graph::NetworkGraph) -> crate::lightning::routing::scoring::ProbabilisticScorer { - let mut ret = lightning::routing::scoring::ProbabilisticScorer::new(*unsafe { Box::from_raw(params.take_inner()) }, network_graph.get_native_ref()); +pub extern "C" fn ProbabilisticScorer_new(mut params: crate::lightning::routing::scoring::ProbabilisticScoringParameters, network_graph: &crate::lightning::routing::gossip::NetworkGraph, mut logger: crate::lightning::util::logger::Logger) -> crate::lightning::routing::scoring::ProbabilisticScorer { + let mut ret = lightning::routing::scoring::ProbabilisticScorer::new(*unsafe { Box::from_raw(params.take_inner()) }, network_graph.get_native_ref(), logger); crate::lightning::routing::scoring::ProbabilisticScorer { inner: ObjOps::heap_alloc(ret), is_owned: true } } +/// Dump the contents of this scorer into the configured logger. +/// +/// Note that this writes roughly one line per channel for which we have a liquidity estimate, +/// which may be a substantial amount of log output. +#[no_mangle] +pub extern "C" fn ProbabilisticScorer_debug_log_liquidity_stats(this_arg: &crate::lightning::routing::scoring::ProbabilisticScorer) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.debug_log_liquidity_stats() +} + /// Creates a "default" ProbabilisticScoringParameters. See struct and individual field documentaiton for details on which values are used. #[must_use] #[no_mangle] @@ -1071,8 +850,8 @@ pub extern "C" fn ProbabilisticScorer_as_Score(this_arg: &ProbabilisticScorer) - } #[must_use] -extern "C" fn ProbabilisticScorer_Score_channel_penalty_msat(this_arg: *const c_void, mut short_channel_id: u64, mut amount_msat: u64, mut capacity_msat: u64, source: &crate::lightning::routing::network_graph::NodeId, target: &crate::lightning::routing::network_graph::NodeId) -> u64 { - let mut ret = >::channel_penalty_msat(unsafe { &mut *(this_arg as *mut nativeProbabilisticScorer) }, short_channel_id, amount_msat, capacity_msat, source.get_native_ref(), target.get_native_ref()); +extern "C" fn ProbabilisticScorer_Score_channel_penalty_msat(this_arg: *const c_void, mut short_channel_id: u64, source: &crate::lightning::routing::gossip::NodeId, target: &crate::lightning::routing::gossip::NodeId, mut usage: crate::lightning::routing::scoring::ChannelUsage) -> u64 { + let mut ret = >::channel_penalty_msat(unsafe { &mut *(this_arg as *mut nativeProbabilisticScorer) }, short_channel_id, source.get_native_ref(), target.get_native_ref(), *unsafe { Box::from_raw(usage.take_inner()) }); ret } extern "C" fn ProbabilisticScorer_Score_payment_path_failed(this_arg: *mut c_void, mut path: crate::c_types::derived::CVec_RouteHopZ, mut short_channel_id: u64) { @@ -1106,22 +885,12 @@ pub(crate) extern "C" fn ProbabilisticScorer_write_void(obj: *const c_void) -> c } #[no_mangle] /// Read a ProbabilisticScorer from a byte array, created by ProbabilisticScorer_write -pub extern "C" fn ProbabilisticScorer_read(ser: crate::c_types::u8slice, arg_a: crate::lightning::routing::scoring::ProbabilisticScoringParameters, arg_b: &crate::lightning::routing::network_graph::NetworkGraph) -> crate::c_types::derived::CResult_ProbabilisticScorerDecodeErrorZ { +pub extern "C" fn ProbabilisticScorer_read(ser: crate::c_types::u8slice, arg_a: crate::lightning::routing::scoring::ProbabilisticScoringParameters, arg_b: &crate::lightning::routing::gossip::NetworkGraph, arg_c: crate::lightning::util::logger::Logger) -> crate::c_types::derived::CResult_ProbabilisticScorerDecodeErrorZ { let arg_a_conv = *unsafe { Box::from_raw(arg_a.take_inner()) }; let arg_b_conv = arg_b.get_native_ref(); - let arg_conv = (arg_a_conv, arg_b_conv); - let res: Result, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj_arg(ser, arg_conv); + let arg_c_conv = arg_c; + let arg_conv = (arg_a_conv, arg_b_conv, arg_c_conv); + let res: Result, crate::lightning::util::logger::Logger>, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj_arg(ser, arg_conv); let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::routing::scoring::ProbabilisticScorer { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() }; local_res } -mod time { - -use alloc::str::FromStr; -use core::ffi::c_void; -use core::convert::Infallible; -use bitcoin::hashes::Hash; -use crate::c_types::*; -#[cfg(feature="no-std")] -use alloc::{vec::Vec, boxed::Box}; - -}