X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fln%2Fchannelmanager.rs;h=2c04328845a8f1d74677e4655279e20e66e3cb64;hb=a21177846ed75d66f68a1603f768410f07a65791;hp=164e944bff7277a91167176960de02e5f7887109;hpb=710ca31e66a574c24ce59bd0d40362b9adb6e978;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/ln/channelmanager.rs b/lightning-c-bindings/src/lightning/ln/channelmanager.rs index 164e944..2c04328 100644 --- a/lightning-c-bindings/src/lightning/ln/channelmanager.rs +++ b/lightning-c-bindings/src/lightning/ln/channelmanager.rs @@ -12,19 +12,23 @@ //! responsible for tracking which channels are open, HTLCs are in flight and reestablishing those //! upon reconnect to the relevant peer(s). //! -//! It does not manage routing logic (see routing::router::get_route for that) nor does it manage constructing +//! It does not manage routing logic (see [`find_route`] for that) nor does it manage constructing //! on-chain transactions (it only monitors the chain to watch for any force-closes that might //! imply it needs to fail HTLCs/payments/channels it manages). //! +//! [`find_route`]: crate::routing::router::find_route -use std::str::FromStr; -use std::ffi::c_void; +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}; use lightning::ln::channelmanager::ChannelManager as nativeChannelManagerImport; -type nativeChannelManager = nativeChannelManagerImport; +pub(crate) type nativeChannelManager = nativeChannelManagerImport; /// Manager which keeps track of a number of channels and sends messages to the appropriate /// channel, also tracking HTLC preimages and forwarding onion packets appropriately. @@ -80,7 +84,7 @@ pub struct ChannelManager { impl Drop for ChannelManager { fn drop(&mut self) { if self.is_owned && !<*mut nativeChannelManager>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -89,22 +93,28 @@ impl Drop for ChannelManager { pub extern "C" fn ChannelManager_free(this_obj: ChannelManager) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -extern "C" fn ChannelManager_free_void(this_ptr: *mut c_void) { +pub(crate) extern "C" fn ChannelManager_free_void(this_ptr: *mut c_void) { unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelManager); } } #[allow(unused)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl ChannelManager { + pub(crate) fn get_native_ref(&self) -> &'static nativeChannelManager { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelManager { + 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 nativeChannelManager { assert!(self.is_owned); - let ret = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } use lightning::ln::channelmanager::ChainParameters as nativeChainParametersImport; -type nativeChainParameters = nativeChainParametersImport; +pub(crate) type nativeChainParameters = nativeChainParametersImport; /// Chain-related parameters used to construct a new `ChannelManager`. /// @@ -129,7 +139,7 @@ pub struct ChainParameters { impl Drop for ChainParameters { fn drop(&mut self) { if self.is_owned && !<*mut nativeChainParameters>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -138,59 +148,65 @@ impl Drop for ChainParameters { pub extern "C" fn ChainParameters_free(this_obj: ChainParameters) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -extern "C" fn ChainParameters_free_void(this_ptr: *mut c_void) { +pub(crate) extern "C" fn ChainParameters_free_void(this_ptr: *mut c_void) { unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChainParameters); } } #[allow(unused)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl ChainParameters { + pub(crate) fn get_native_ref(&self) -> &'static nativeChainParameters { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChainParameters { + 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 nativeChainParameters { assert!(self.is_owned); - let ret = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } /// The network for determining the `chain_hash` in Lightning messages. #[no_mangle] pub extern "C" fn ChainParameters_get_network(this_ptr: &ChainParameters) -> crate::bitcoin::network::Network { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.network; + let mut inner_val = &mut this_ptr.get_native_mut_ref().network; crate::bitcoin::network::Network::from_bitcoin(inner_val) } /// The network for determining the `chain_hash` in Lightning messages. #[no_mangle] pub extern "C" fn ChainParameters_set_network(this_ptr: &mut ChainParameters, mut val: crate::bitcoin::network::Network) { - unsafe { &mut *this_ptr.inner }.network = val.into_bitcoin(); + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.network = val.into_bitcoin(); } /// The hash and height of the latest block successfully connected. /// /// Used to track on-chain channel funding outputs and send payments with reliable timelocks. #[no_mangle] -pub extern "C" fn ChainParameters_get_best_block(this_ptr: &ChainParameters) -> crate::lightning::ln::channelmanager::BestBlock { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.best_block; - crate::lightning::ln::channelmanager::BestBlock { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn ChainParameters_get_best_block(this_ptr: &ChainParameters) -> crate::lightning::chain::BestBlock { + let mut inner_val = &mut this_ptr.get_native_mut_ref().best_block; + crate::lightning::chain::BestBlock { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::chain::BestBlock<>) as *mut _) }, is_owned: false } } /// The hash and height of the latest block successfully connected. /// /// Used to track on-chain channel funding outputs and send payments with reliable timelocks. #[no_mangle] -pub extern "C" fn ChainParameters_set_best_block(this_ptr: &mut ChainParameters, mut val: crate::lightning::ln::channelmanager::BestBlock) { - unsafe { &mut *this_ptr.inner }.best_block = *unsafe { Box::from_raw(val.take_inner()) }; +pub extern "C" fn ChainParameters_set_best_block(this_ptr: &mut ChainParameters, mut val: crate::lightning::chain::BestBlock) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.best_block = *unsafe { Box::from_raw(val.take_inner()) }; } /// Constructs a new ChainParameters given each field #[must_use] #[no_mangle] -pub extern "C" fn ChainParameters_new(mut network_arg: crate::bitcoin::network::Network, mut best_block_arg: crate::lightning::ln::channelmanager::BestBlock) -> ChainParameters { - ChainParameters { inner: Box::into_raw(Box::new(nativeChainParameters { +pub extern "C" fn ChainParameters_new(mut network_arg: crate::bitcoin::network::Network, mut best_block_arg: crate::lightning::chain::BestBlock) -> ChainParameters { + ChainParameters { inner: ObjOps::heap_alloc(nativeChainParameters { network: network_arg.into_bitcoin(), best_block: *unsafe { Box::from_raw(best_block_arg.take_inner()) }, - })), is_owned: true } + }), is_owned: true } } impl Clone for ChainParameters { fn clone(&self) -> Self { Self { - inner: if <*mut nativeChainParameters>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + inner: if <*mut nativeChainParameters>::is_null(self.inner) { core::ptr::null_mut() } else { + ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } } @@ -205,19 +221,43 @@ pub(crate) extern "C" fn ChainParameters_clone_void(this_ptr: *const c_void) -> pub extern "C" fn ChainParameters_clone(orig: &ChainParameters) -> ChainParameters { orig.clone() } +/// The amount of time in blocks we require our counterparty wait to claim their money (ie time +/// between when we, or our watchtower, must check for them having broadcast a theft transaction). +/// +/// This can be increased (but not decreased) through [`ChannelHandshakeConfig::our_to_self_delay`] +/// +/// [`ChannelHandshakeConfig::our_to_self_delay`]: crate::util::config::ChannelHandshakeConfig::our_to_self_delay + +#[no_mangle] +pub static BREAKDOWN_TIMEOUT: u16 = lightning::ln::channelmanager::BREAKDOWN_TIMEOUT; +/// The minimum number of blocks between an inbound HTLC's CLTV and the corresponding outbound +/// HTLC's CLTV. The current default represents roughly seven hours of blocks at six blocks/hour. +/// +/// This can be increased (but not decreased) through [`ChannelConfig::cltv_expiry_delta`] +/// +/// [`ChannelConfig::cltv_expiry_delta`]: crate::util::config::ChannelConfig::cltv_expiry_delta + +#[no_mangle] +pub static MIN_CLTV_EXPIRY_DELTA: u16 = lightning::ln::channelmanager::MIN_CLTV_EXPIRY_DELTA; +/// Minimum CLTV difference between the current block height and received inbound payments. +/// Invoices generated for payment to us must set their `min_final_cltv_expiry` field to at least +/// this value. -use lightning::ln::channelmanager::BestBlock as nativeBestBlockImport; -type nativeBestBlock = nativeBestBlockImport; +#[no_mangle] +pub static MIN_FINAL_CLTV_EXPIRY: u32 = lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY; -/// The best known block as identified by its hash and height. +use lightning::ln::channelmanager::CounterpartyForwardingInfo as nativeCounterpartyForwardingInfoImport; +pub(crate) type nativeCounterpartyForwardingInfo = nativeCounterpartyForwardingInfoImport; + +/// Information needed for constructing an invoice route hint for this channel. #[must_use] #[repr(C)] -pub struct BestBlock { +pub struct CounterpartyForwardingInfo { /// 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 nativeBestBlock, + pub inner: *mut nativeCounterpartyForwardingInfo, /// 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 @@ -225,109 +265,291 @@ pub struct BestBlock { pub is_owned: bool, } -impl Drop for BestBlock { +impl Drop for CounterpartyForwardingInfo { fn drop(&mut self) { - if self.is_owned && !<*mut nativeBestBlock>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + if self.is_owned && !<*mut nativeCounterpartyForwardingInfo>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } -/// Frees any resources used by the BestBlock, if is_owned is set and inner is non-NULL. +/// Frees any resources used by the CounterpartyForwardingInfo, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn BestBlock_free(this_obj: BestBlock) { } +pub extern "C" fn CounterpartyForwardingInfo_free(this_obj: CounterpartyForwardingInfo) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -extern "C" fn BestBlock_free_void(this_ptr: *mut c_void) { - unsafe { let _ = Box::from_raw(this_ptr as *mut nativeBestBlock); } +pub(crate) extern "C" fn CounterpartyForwardingInfo_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativeCounterpartyForwardingInfo); } } #[allow(unused)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy -impl BestBlock { - pub(crate) fn take_inner(mut self) -> *mut nativeBestBlock { +impl CounterpartyForwardingInfo { + pub(crate) fn get_native_ref(&self) -> &'static nativeCounterpartyForwardingInfo { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeCounterpartyForwardingInfo { + 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 nativeCounterpartyForwardingInfo { assert!(self.is_owned); - let ret = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } -impl Clone for BestBlock { +/// Base routing fee in millisatoshis. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_get_fee_base_msat(this_ptr: &CounterpartyForwardingInfo) -> u32 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().fee_base_msat; + *inner_val +} +/// Base routing fee in millisatoshis. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_set_fee_base_msat(this_ptr: &mut CounterpartyForwardingInfo, mut val: u32) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.fee_base_msat = val; +} +/// Amount in millionths of a satoshi the channel will charge per transferred satoshi. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_get_fee_proportional_millionths(this_ptr: &CounterpartyForwardingInfo) -> u32 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().fee_proportional_millionths; + *inner_val +} +/// Amount in millionths of a satoshi the channel will charge per transferred satoshi. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_set_fee_proportional_millionths(this_ptr: &mut CounterpartyForwardingInfo, mut val: u32) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.fee_proportional_millionths = val; +} +/// The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart, +/// such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s +/// `cltv_expiry_delta` for more details. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_get_cltv_expiry_delta(this_ptr: &CounterpartyForwardingInfo) -> u16 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().cltv_expiry_delta; + *inner_val +} +/// The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart, +/// such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s +/// `cltv_expiry_delta` for more details. +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_set_cltv_expiry_delta(this_ptr: &mut CounterpartyForwardingInfo, mut val: u16) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.cltv_expiry_delta = val; +} +/// Constructs a new CounterpartyForwardingInfo given each field +#[must_use] +#[no_mangle] +pub extern "C" fn CounterpartyForwardingInfo_new(mut fee_base_msat_arg: u32, mut fee_proportional_millionths_arg: u32, mut cltv_expiry_delta_arg: u16) -> CounterpartyForwardingInfo { + CounterpartyForwardingInfo { inner: ObjOps::heap_alloc(nativeCounterpartyForwardingInfo { + fee_base_msat: fee_base_msat_arg, + fee_proportional_millionths: fee_proportional_millionths_arg, + cltv_expiry_delta: cltv_expiry_delta_arg, + }), is_owned: true } +} +impl Clone for CounterpartyForwardingInfo { fn clone(&self) -> Self { Self { - inner: if <*mut nativeBestBlock>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + inner: if <*mut nativeCounterpartyForwardingInfo>::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 BestBlock_clone_void(this_ptr: *const c_void) -> *mut c_void { - Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBestBlock)).clone() })) as *mut c_void +pub(crate) extern "C" fn CounterpartyForwardingInfo_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeCounterpartyForwardingInfo)).clone() })) as *mut c_void } #[no_mangle] -/// Creates a copy of the BestBlock -pub extern "C" fn BestBlock_clone(orig: &BestBlock) -> BestBlock { +/// Creates a copy of the CounterpartyForwardingInfo +pub extern "C" fn CounterpartyForwardingInfo_clone(orig: &CounterpartyForwardingInfo) -> CounterpartyForwardingInfo { orig.clone() } -/// Returns the best block from the genesis of the given network. + +use lightning::ln::channelmanager::ChannelCounterparty as nativeChannelCounterpartyImport; +pub(crate) type nativeChannelCounterparty = nativeChannelCounterpartyImport; + +/// Channel parameters which apply to our counterparty. These are split out from [`ChannelDetails`] +/// to better separate parameters. #[must_use] -#[no_mangle] -pub extern "C" fn BestBlock_from_genesis(mut network: crate::bitcoin::network::Network) -> BestBlock { - let mut ret = lightning::ln::channelmanager::BestBlock::from_genesis(network.into_bitcoin()); - BestBlock { inner: Box::into_raw(Box::new(ret)), is_owned: true } +#[repr(C)] +pub struct ChannelCounterparty { + /// 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 nativeChannelCounterparty, + /// 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, } -/// Returns the best block as identified by the given block hash and height. -#[must_use] +impl Drop for ChannelCounterparty { + fn drop(&mut self) { + if self.is_owned && !<*mut nativeChannelCounterparty>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the ChannelCounterparty, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn BestBlock_new(mut block_hash: crate::c_types::ThirtyTwoBytes, mut height: u32) -> BestBlock { - let mut ret = lightning::ln::channelmanager::BestBlock::new(::bitcoin::hash_types::BlockHash::from_slice(&block_hash.data[..]).unwrap(), height); - BestBlock { inner: Box::into_raw(Box::new(ret)), is_owned: true } +pub extern "C" fn ChannelCounterparty_free(this_obj: ChannelCounterparty) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn ChannelCounterparty_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelCounterparty); } } - -/// Returns the best block hash. -#[must_use] +#[allow(unused)] +impl ChannelCounterparty { + pub(crate) fn get_native_ref(&self) -> &'static nativeChannelCounterparty { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelCounterparty { + 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 nativeChannelCounterparty { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// The node_id of our counterparty #[no_mangle] -pub extern "C" fn BestBlock_block_hash(this_arg: &BestBlock) -> crate::c_types::ThirtyTwoBytes { - let mut ret = unsafe { &*this_arg.inner }.block_hash(); - crate::c_types::ThirtyTwoBytes { data: ret.into_inner() } +pub extern "C" fn ChannelCounterparty_get_node_id(this_ptr: &ChannelCounterparty) -> crate::c_types::PublicKey { + let mut inner_val = &mut this_ptr.get_native_mut_ref().node_id; + crate::c_types::PublicKey::from_rust(&inner_val) } - -/// Returns the best block height. -#[must_use] +/// The node_id of our counterparty #[no_mangle] -pub extern "C" fn BestBlock_height(this_arg: &BestBlock) -> u32 { - let mut ret = unsafe { &*this_arg.inner }.height(); - ret +pub extern "C" fn ChannelCounterparty_set_node_id(this_ptr: &mut ChannelCounterparty, mut val: crate::c_types::PublicKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.node_id = val.into_rust(); } - -/// The amount of time in blocks we require our counterparty wait to claim their money (ie time -/// between when we, or our watchtower, must check for them having broadcast a theft transaction). +/// The Features the channel counterparty provided upon last connection. +/// Useful for routing as it is the most up-to-date copy of the counterparty's features and +/// many routing-relevant features are present in the init context. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_get_features(this_ptr: &ChannelCounterparty) -> crate::lightning::ln::features::InitFeatures { + let mut inner_val = &mut this_ptr.get_native_mut_ref().features; + crate::lightning::ln::features::InitFeatures { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::features::InitFeatures<>) as *mut _) }, is_owned: false } +} +/// The Features the channel counterparty provided upon last connection. +/// Useful for routing as it is the most up-to-date copy of the counterparty's features and +/// many routing-relevant features are present in the init context. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_set_features(this_ptr: &mut ChannelCounterparty, mut val: crate::lightning::ln::features::InitFeatures) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.features = *unsafe { Box::from_raw(val.take_inner()) }; +} +/// The value, in satoshis, that must always be held in the channel for our counterparty. This +/// value ensures that if our counterparty broadcasts a revoked state, we can punish them by +/// claiming at least this value on chain. /// -/// This can be increased (but not decreased) through [`ChannelHandshakeConfig::our_to_self_delay`] +/// This value is not included in [`inbound_capacity_msat`] as it can never be spent. /// -/// [`ChannelHandshakeConfig::our_to_self_delay`]: crate::util::config::ChannelHandshakeConfig::our_to_self_delay - +/// [`inbound_capacity_msat`]: ChannelDetails::inbound_capacity_msat #[no_mangle] -pub static BREAKDOWN_TIMEOUT: u16 = lightning::ln::channelmanager::BREAKDOWN_TIMEOUT; -/// The minimum number of blocks between an inbound HTLC's CLTV and the corresponding outbound -/// HTLC's CLTV. The current default represents roughly seven hours of blocks at six blocks/hour. +pub extern "C" fn ChannelCounterparty_get_unspendable_punishment_reserve(this_ptr: &ChannelCounterparty) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().unspendable_punishment_reserve; + *inner_val +} +/// The value, in satoshis, that must always be held in the channel for our counterparty. This +/// value ensures that if our counterparty broadcasts a revoked state, we can punish them by +/// claiming at least this value on chain. /// -/// This can be increased (but not decreased) through [`ChannelConfig::cltv_expiry_delta`] +/// This value is not included in [`inbound_capacity_msat`] as it can never be spent. /// -/// [`ChannelConfig::cltv_expiry_delta`]: crate::util::config::ChannelConfig::cltv_expiry_delta - +/// [`inbound_capacity_msat`]: ChannelDetails::inbound_capacity_msat #[no_mangle] -pub static MIN_CLTV_EXPIRY_DELTA: u16 = lightning::ln::channelmanager::MIN_CLTV_EXPIRY_DELTA; -/// Minimum CLTV difference between the current block height and received inbound payments. -/// Invoices generated for payment to us must set their `min_final_cltv_expiry` field to at least -/// this value. - +pub extern "C" fn ChannelCounterparty_set_unspendable_punishment_reserve(this_ptr: &mut ChannelCounterparty, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.unspendable_punishment_reserve = val; +} +/// Information on the fees and requirements that the counterparty requires when forwarding +/// payments to us through this channel. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None #[no_mangle] -pub static MIN_FINAL_CLTV_EXPIRY: u32 = lightning::ln::channelmanager::MIN_FINAL_CLTV_EXPIRY; +pub extern "C" fn ChannelCounterparty_get_forwarding_info(this_ptr: &ChannelCounterparty) -> crate::lightning::ln::channelmanager::CounterpartyForwardingInfo { + let mut inner_val = &mut this_ptr.get_native_mut_ref().forwarding_info; + let mut local_inner_val = crate::lightning::ln::channelmanager::CounterpartyForwardingInfo { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::ln::channelmanager::CounterpartyForwardingInfo<>) as *mut _ }, is_owned: false }; + local_inner_val +} +/// Information on the fees and requirements that the counterparty requires when forwarding +/// payments to us through this channel. +/// +/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn ChannelCounterparty_set_forwarding_info(this_ptr: &mut ChannelCounterparty, mut val: crate::lightning::ln::channelmanager::CounterpartyForwardingInfo) { + 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) }.forwarding_info = local_val; +} +/// The smallest value HTLC (in msat) the remote peer will accept, for this channel. This field +/// is only `None` before we have received either the `OpenChannel` or `AcceptChannel` message +/// from the remote peer, or for `ChannelCounterparty` objects serialized prior to LDK 0.0.107. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_get_outbound_htlc_minimum_msat(this_ptr: &ChannelCounterparty) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().outbound_htlc_minimum_msat; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The smallest value HTLC (in msat) the remote peer will accept, for this channel. This field +/// is only `None` before we have received either the `OpenChannel` or `AcceptChannel` message +/// from the remote peer, or for `ChannelCounterparty` objects serialized prior to LDK 0.0.107. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_set_outbound_htlc_minimum_msat(this_ptr: &mut ChannelCounterparty, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outbound_htlc_minimum_msat = local_val; +} +/// The largest value HTLC (in msat) the remote peer currently will accept, for this channel. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_get_outbound_htlc_maximum_msat(this_ptr: &ChannelCounterparty) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().outbound_htlc_maximum_msat; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The largest value HTLC (in msat) the remote peer currently will accept, for this channel. +#[no_mangle] +pub extern "C" fn ChannelCounterparty_set_outbound_htlc_maximum_msat(this_ptr: &mut ChannelCounterparty, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outbound_htlc_maximum_msat = local_val; +} +/// Constructs a new ChannelCounterparty given each field +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelCounterparty_new(mut node_id_arg: crate::c_types::PublicKey, mut features_arg: crate::lightning::ln::features::InitFeatures, mut unspendable_punishment_reserve_arg: u64, mut forwarding_info_arg: crate::lightning::ln::channelmanager::CounterpartyForwardingInfo, mut outbound_htlc_minimum_msat_arg: crate::c_types::derived::COption_u64Z, mut outbound_htlc_maximum_msat_arg: crate::c_types::derived::COption_u64Z) -> ChannelCounterparty { + let mut local_forwarding_info_arg = if forwarding_info_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(forwarding_info_arg.take_inner()) } }) }; + let mut local_outbound_htlc_minimum_msat_arg = if outbound_htlc_minimum_msat_arg.is_some() { Some( { outbound_htlc_minimum_msat_arg.take() }) } else { None }; + let mut local_outbound_htlc_maximum_msat_arg = if outbound_htlc_maximum_msat_arg.is_some() { Some( { outbound_htlc_maximum_msat_arg.take() }) } else { None }; + ChannelCounterparty { inner: ObjOps::heap_alloc(nativeChannelCounterparty { + node_id: node_id_arg.into_rust(), + features: *unsafe { Box::from_raw(features_arg.take_inner()) }, + unspendable_punishment_reserve: unspendable_punishment_reserve_arg, + forwarding_info: local_forwarding_info_arg, + outbound_htlc_minimum_msat: local_outbound_htlc_minimum_msat_arg, + outbound_htlc_maximum_msat: local_outbound_htlc_maximum_msat_arg, + }), is_owned: true } +} +impl Clone for ChannelCounterparty { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativeChannelCounterparty>::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 ChannelCounterparty_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelCounterparty)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the ChannelCounterparty +pub extern "C" fn ChannelCounterparty_clone(orig: &ChannelCounterparty) -> ChannelCounterparty { + orig.clone() +} use lightning::ln::channelmanager::ChannelDetails as nativeChannelDetailsImport; -type nativeChannelDetails = nativeChannelDetailsImport; +pub(crate) type nativeChannelDetails = nativeChannelDetailsImport; /// Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels #[must_use] @@ -348,7 +570,7 @@ pub struct ChannelDetails { impl Drop for ChannelDetails { fn drop(&mut self) { if self.is_owned && !<*mut nativeChannelDetails>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -357,16 +579,22 @@ impl Drop for ChannelDetails { pub extern "C" fn ChannelDetails_free(this_obj: ChannelDetails) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -extern "C" fn ChannelDetails_free_void(this_ptr: *mut c_void) { +pub(crate) extern "C" fn ChannelDetails_free_void(this_ptr: *mut c_void) { unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelDetails); } } #[allow(unused)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl ChannelDetails { + pub(crate) fn get_native_ref(&self) -> &'static nativeChannelDetails { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelDetails { + 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 nativeChannelDetails { assert!(self.is_owned); - let ret = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } @@ -376,7 +604,7 @@ impl ChannelDetails { /// lifetime of the channel. #[no_mangle] pub extern "C" fn ChannelDetails_get_channel_id(this_ptr: &ChannelDetails) -> *const [u8; 32] { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_id; + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_id; inner_val } /// The channel's ID (prior to funding transaction generation, this is a random 32 bytes, @@ -385,17 +613,30 @@ pub extern "C" fn ChannelDetails_get_channel_id(this_ptr: &ChannelDetails) -> *c /// lifetime of the channel. #[no_mangle] pub extern "C" fn ChannelDetails_set_channel_id(this_ptr: &mut ChannelDetails, mut val: crate::c_types::ThirtyTwoBytes) { - unsafe { &mut *this_ptr.inner }.channel_id = val.data; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_id = val.data; +} +/// Parameters which apply to our counterparty. See individual fields for more information. +#[no_mangle] +pub extern "C" fn ChannelDetails_get_counterparty(this_ptr: &ChannelDetails) -> crate::lightning::ln::channelmanager::ChannelCounterparty { + let mut inner_val = &mut this_ptr.get_native_mut_ref().counterparty; + crate::lightning::ln::channelmanager::ChannelCounterparty { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::ln::channelmanager::ChannelCounterparty<>) as *mut _) }, is_owned: false } +} +/// Parameters which apply to our counterparty. See individual fields for more information. +#[no_mangle] +pub extern "C" fn ChannelDetails_set_counterparty(this_ptr: &mut ChannelDetails, mut val: crate::lightning::ln::channelmanager::ChannelCounterparty) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.counterparty = *unsafe { Box::from_raw(val.take_inner()) }; } /// The Channel's funding transaction output, if we've negotiated the funding transaction with /// our counterparty already. /// /// Note that, if this has been set, `channel_id` will be equivalent to /// `funding_txo.unwrap().to_channel_id()`. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None #[no_mangle] pub extern "C" fn ChannelDetails_get_funding_txo(this_ptr: &ChannelDetails) -> crate::lightning::chain::transaction::OutPoint { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.funding_txo; - let mut local_inner_val = crate::lightning::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { std::ptr::null() } else { { (inner_val.as_ref().unwrap()) } } as *const _) as *mut _ }, is_owned: false }; + let mut inner_val = &mut this_ptr.get_native_mut_ref().funding_txo; + let mut local_inner_val = crate::lightning::chain::transaction::OutPoint { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::chain::transaction::OutPoint<>) as *mut _ }, is_owned: false }; local_inner_val } /// The Channel's funding transaction output, if we've negotiated the funding transaction with @@ -403,173 +644,503 @@ pub extern "C" fn ChannelDetails_get_funding_txo(this_ptr: &ChannelDetails) -> c /// /// Note that, if this has been set, `channel_id` will be equivalent to /// `funding_txo.unwrap().to_channel_id()`. +/// +/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None #[no_mangle] pub extern "C" fn ChannelDetails_set_funding_txo(this_ptr: &mut ChannelDetails, mut val: crate::lightning::chain::transaction::OutPoint) { let mut local_val = if val.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(val.take_inner()) } }) }; - unsafe { &mut *this_ptr.inner }.funding_txo = local_val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.funding_txo = local_val; +} +/// The features which this channel operates with. See individual features for more info. +/// +/// `None` until negotiation completes and the channel type is finalized. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn ChannelDetails_get_channel_type(this_ptr: &ChannelDetails) -> crate::lightning::ln::features::ChannelTypeFeatures { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_type; + let mut local_inner_val = crate::lightning::ln::features::ChannelTypeFeatures { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::ln::features::ChannelTypeFeatures<>) as *mut _ }, is_owned: false }; + local_inner_val +} +/// The features which this channel operates with. See individual features for more info. +/// +/// `None` until negotiation completes and the channel type is finalized. +/// +/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn ChannelDetails_set_channel_type(this_ptr: &mut ChannelDetails, mut val: crate::lightning::ln::features::ChannelTypeFeatures) { + 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) }.channel_type = local_val; } /// The position of the funding transaction in the chain. None if the funding transaction has /// not yet been confirmed and the channel fully opened. +/// +/// Note that if [`inbound_scid_alias`] is set, it must be used for invoices and inbound +/// payments instead of this. See [`get_inbound_payment_scid`]. +/// +/// For channels with [`confirmations_required`] set to `Some(0)`, [`outbound_scid_alias`] may +/// be used in place of this in outbound routes. See [`get_outbound_payment_scid`]. +/// +/// [`inbound_scid_alias`]: Self::inbound_scid_alias +/// [`outbound_scid_alias`]: Self::outbound_scid_alias +/// [`get_inbound_payment_scid`]: Self::get_inbound_payment_scid +/// [`get_outbound_payment_scid`]: Self::get_outbound_payment_scid +/// [`confirmations_required`]: Self::confirmations_required #[no_mangle] pub extern "C" fn ChannelDetails_get_short_channel_id(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.short_channel_id; - let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { { crate::c_types::derived::COption_u64Z::Some(inner_val.unwrap()) } }; + let mut inner_val = &mut this_ptr.get_native_mut_ref().short_channel_id; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; local_inner_val } /// The position of the funding transaction in the chain. None if the funding transaction has /// not yet been confirmed and the channel fully opened. +/// +/// Note that if [`inbound_scid_alias`] is set, it must be used for invoices and inbound +/// payments instead of this. See [`get_inbound_payment_scid`]. +/// +/// For channels with [`confirmations_required`] set to `Some(0)`, [`outbound_scid_alias`] may +/// be used in place of this in outbound routes. See [`get_outbound_payment_scid`]. +/// +/// [`inbound_scid_alias`]: Self::inbound_scid_alias +/// [`outbound_scid_alias`]: Self::outbound_scid_alias +/// [`get_inbound_payment_scid`]: Self::get_inbound_payment_scid +/// [`get_outbound_payment_scid`]: Self::get_outbound_payment_scid +/// [`confirmations_required`]: Self::confirmations_required #[no_mangle] pub extern "C" fn ChannelDetails_set_short_channel_id(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; - unsafe { &mut *this_ptr.inner }.short_channel_id = local_val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.short_channel_id = local_val; } -/// The node_id of our counterparty +/// An optional [`short_channel_id`] alias for this channel, randomly generated by us and +/// usable in place of [`short_channel_id`] to reference the channel in outbound routes when +/// the channel has not yet been confirmed (as long as [`confirmations_required`] is +/// `Some(0)`). +/// +/// This will be `None` as long as the channel is not available for routing outbound payments. +/// +/// [`short_channel_id`]: Self::short_channel_id +/// [`confirmations_required`]: Self::confirmations_required #[no_mangle] -pub extern "C" fn ChannelDetails_get_remote_network_id(this_ptr: &ChannelDetails) -> crate::c_types::PublicKey { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.remote_network_id; - crate::c_types::PublicKey::from_rust(&inner_val) +pub extern "C" fn ChannelDetails_get_outbound_scid_alias(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().outbound_scid_alias; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val } -/// The node_id of our counterparty +/// An optional [`short_channel_id`] alias for this channel, randomly generated by us and +/// usable in place of [`short_channel_id`] to reference the channel in outbound routes when +/// the channel has not yet been confirmed (as long as [`confirmations_required`] is +/// `Some(0)`). +/// +/// This will be `None` as long as the channel is not available for routing outbound payments. +/// +/// [`short_channel_id`]: Self::short_channel_id +/// [`confirmations_required`]: Self::confirmations_required #[no_mangle] -pub extern "C" fn ChannelDetails_set_remote_network_id(this_ptr: &mut ChannelDetails, mut val: crate::c_types::PublicKey) { - unsafe { &mut *this_ptr.inner }.remote_network_id = val.into_rust(); +pub extern "C" fn ChannelDetails_set_outbound_scid_alias(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outbound_scid_alias = local_val; } -/// The Features the channel counterparty provided upon last connection. -/// Useful for routing as it is the most up-to-date copy of the counterparty's features and -/// many routing-relevant features are present in the init context. +/// An optional [`short_channel_id`] alias for this channel, randomly generated by our +/// counterparty and usable in place of [`short_channel_id`] in invoice route hints. Our +/// counterparty will recognize the alias provided here in place of the [`short_channel_id`] +/// when they see a payment to be routed to us. +/// +/// Our counterparty may choose to rotate this value at any time, though will always recognize +/// previous values for inbound payment forwarding. +/// +/// [`short_channel_id`]: Self::short_channel_id #[no_mangle] -pub extern "C" fn ChannelDetails_get_counterparty_features(this_ptr: &ChannelDetails) -> crate::lightning::ln::features::InitFeatures { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.counterparty_features; - crate::lightning::ln::features::InitFeatures { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn ChannelDetails_get_inbound_scid_alias(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().inbound_scid_alias; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val } -/// The Features the channel counterparty provided upon last connection. -/// Useful for routing as it is the most up-to-date copy of the counterparty's features and -/// many routing-relevant features are present in the init context. +/// An optional [`short_channel_id`] alias for this channel, randomly generated by our +/// counterparty and usable in place of [`short_channel_id`] in invoice route hints. Our +/// counterparty will recognize the alias provided here in place of the [`short_channel_id`] +/// when they see a payment to be routed to us. +/// +/// Our counterparty may choose to rotate this value at any time, though will always recognize +/// previous values for inbound payment forwarding. +/// +/// [`short_channel_id`]: Self::short_channel_id #[no_mangle] -pub extern "C" fn ChannelDetails_set_counterparty_features(this_ptr: &mut ChannelDetails, mut val: crate::lightning::ln::features::InitFeatures) { - unsafe { &mut *this_ptr.inner }.counterparty_features = *unsafe { Box::from_raw(val.take_inner()) }; +pub extern "C" fn ChannelDetails_set_inbound_scid_alias(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.inbound_scid_alias = local_val; } /// The value, in satoshis, of this channel as appears in the funding output #[no_mangle] pub extern "C" fn ChannelDetails_get_channel_value_satoshis(this_ptr: &ChannelDetails) -> u64 { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.channel_value_satoshis; + let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_value_satoshis; *inner_val } /// The value, in satoshis, of this channel as appears in the funding output #[no_mangle] pub extern "C" fn ChannelDetails_set_channel_value_satoshis(this_ptr: &mut ChannelDetails, mut val: u64) { - unsafe { &mut *this_ptr.inner }.channel_value_satoshis = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_value_satoshis = val; +} +/// The value, in satoshis, that must always be held in the channel for us. This value ensures +/// that if we broadcast a revoked state, our counterparty can punish us by claiming at least +/// this value on chain. +/// +/// This value is not included in [`outbound_capacity_msat`] as it can never be spent. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +/// +/// [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat +#[no_mangle] +pub extern "C" fn ChannelDetails_get_unspendable_punishment_reserve(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().unspendable_punishment_reserve; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The value, in satoshis, that must always be held in the channel for us. This value ensures +/// that if we broadcast a revoked state, our counterparty can punish us by claiming at least +/// this value on chain. +/// +/// This value is not included in [`outbound_capacity_msat`] as it can never be spent. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +/// +/// [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat +#[no_mangle] +pub extern "C" fn ChannelDetails_set_unspendable_punishment_reserve(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.unspendable_punishment_reserve = local_val; +} +/// The `user_channel_id` passed in to create_channel, or 0 if the channel was inbound. +#[no_mangle] +pub extern "C" fn ChannelDetails_get_user_channel_id(this_ptr: &ChannelDetails) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().user_channel_id; + *inner_val +} +/// The `user_channel_id` passed in to create_channel, or 0 if the channel was inbound. +#[no_mangle] +pub extern "C" fn ChannelDetails_set_user_channel_id(this_ptr: &mut ChannelDetails, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.user_channel_id = val; } -/// The user_id passed in to create_channel, or 0 if the channel was inbound. +/// Our total balance. This is the amount we would get if we close the channel. +/// This value is not exact. Due to various in-flight changes and feerate changes, exactly this +/// amount is not likely to be recoverable on close. +/// +/// This does not include any pending HTLCs which are not yet fully resolved (and, thus, whose +/// balance is not available for inclusion in new outbound HTLCs). This further does not include +/// any pending outgoing HTLCs which are awaiting some other resolution to be sent. +/// This does not consider any on-chain fees. +/// +/// See also [`ChannelDetails::outbound_capacity_msat`] #[no_mangle] -pub extern "C" fn ChannelDetails_get_user_id(this_ptr: &ChannelDetails) -> u64 { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.user_id; +pub extern "C" fn ChannelDetails_get_balance_msat(this_ptr: &ChannelDetails) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().balance_msat; *inner_val } -/// The user_id passed in to create_channel, or 0 if the channel was inbound. +/// Our total balance. This is the amount we would get if we close the channel. +/// This value is not exact. Due to various in-flight changes and feerate changes, exactly this +/// amount is not likely to be recoverable on close. +/// +/// This does not include any pending HTLCs which are not yet fully resolved (and, thus, whose +/// balance is not available for inclusion in new outbound HTLCs). This further does not include +/// any pending outgoing HTLCs which are awaiting some other resolution to be sent. +/// This does not consider any on-chain fees. +/// +/// See also [`ChannelDetails::outbound_capacity_msat`] #[no_mangle] -pub extern "C" fn ChannelDetails_set_user_id(this_ptr: &mut ChannelDetails, mut val: u64) { - unsafe { &mut *this_ptr.inner }.user_id = val; +pub extern "C" fn ChannelDetails_set_balance_msat(this_ptr: &mut ChannelDetails, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.balance_msat = val; } /// The available outbound capacity for sending HTLCs to the remote peer. This does not include -/// any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not +/// any pending HTLCs which are not yet fully resolved (and, thus, whose balance is not /// available for inclusion in new outbound HTLCs). This further does not include any pending /// outgoing HTLCs which are awaiting some other resolution to be sent. +/// +/// See also [`ChannelDetails::balance_msat`] +/// +/// This value is not exact. Due to various in-flight changes, feerate changes, and our +/// conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we +/// should be able to spend nearly this amount. #[no_mangle] pub extern "C" fn ChannelDetails_get_outbound_capacity_msat(this_ptr: &ChannelDetails) -> u64 { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.outbound_capacity_msat; + let mut inner_val = &mut this_ptr.get_native_mut_ref().outbound_capacity_msat; *inner_val } /// The available outbound capacity for sending HTLCs to the remote peer. This does not include -/// any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not +/// any pending HTLCs which are not yet fully resolved (and, thus, whose balance is not /// available for inclusion in new outbound HTLCs). This further does not include any pending /// outgoing HTLCs which are awaiting some other resolution to be sent. +/// +/// See also [`ChannelDetails::balance_msat`] +/// +/// This value is not exact. Due to various in-flight changes, feerate changes, and our +/// conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we +/// should be able to spend nearly this amount. #[no_mangle] pub extern "C" fn ChannelDetails_set_outbound_capacity_msat(this_ptr: &mut ChannelDetails, mut val: u64) { - unsafe { &mut *this_ptr.inner }.outbound_capacity_msat = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.outbound_capacity_msat = val; +} +/// The available outbound capacity for sending a single HTLC to the remote peer. This is +/// similar to [`ChannelDetails::outbound_capacity_msat`] but it may be further restricted by +/// the current state and per-HTLC limit(s). This is intended for use when routing, allowing us +/// to use a limit as close as possible to the HTLC limit we can currently send. +/// +/// See also [`ChannelDetails::balance_msat`] and [`ChannelDetails::outbound_capacity_msat`]. +#[no_mangle] +pub extern "C" fn ChannelDetails_get_next_outbound_htlc_limit_msat(this_ptr: &ChannelDetails) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().next_outbound_htlc_limit_msat; + *inner_val +} +/// The available outbound capacity for sending a single HTLC to the remote peer. This is +/// similar to [`ChannelDetails::outbound_capacity_msat`] but it may be further restricted by +/// the current state and per-HTLC limit(s). This is intended for use when routing, allowing us +/// to use a limit as close as possible to the HTLC limit we can currently send. +/// +/// See also [`ChannelDetails::balance_msat`] and [`ChannelDetails::outbound_capacity_msat`]. +#[no_mangle] +pub extern "C" fn ChannelDetails_set_next_outbound_htlc_limit_msat(this_ptr: &mut ChannelDetails, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.next_outbound_htlc_limit_msat = val; } /// The available inbound capacity for the remote peer to send HTLCs to us. This does not -/// include any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not +/// include any pending HTLCs which are not yet fully resolved (and, thus, whose balance is not /// available for inclusion in new inbound HTLCs). /// Note that there are some corner cases not fully handled here, so the actual available /// inbound capacity may be slightly higher than this. +/// +/// This value is not exact. Due to various in-flight changes, feerate changes, and our +/// counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable. +/// However, our counterparty should be able to spend nearly this amount. #[no_mangle] pub extern "C" fn ChannelDetails_get_inbound_capacity_msat(this_ptr: &ChannelDetails) -> u64 { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.inbound_capacity_msat; + let mut inner_val = &mut this_ptr.get_native_mut_ref().inbound_capacity_msat; *inner_val } /// The available inbound capacity for the remote peer to send HTLCs to us. This does not -/// include any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not +/// include any pending HTLCs which are not yet fully resolved (and, thus, whose balance is not /// available for inclusion in new inbound HTLCs). /// Note that there are some corner cases not fully handled here, so the actual available /// inbound capacity may be slightly higher than this. +/// +/// This value is not exact. Due to various in-flight changes, feerate changes, and our +/// counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable. +/// However, our counterparty should be able to spend nearly this amount. #[no_mangle] pub extern "C" fn ChannelDetails_set_inbound_capacity_msat(this_ptr: &mut ChannelDetails, mut val: u64) { - unsafe { &mut *this_ptr.inner }.inbound_capacity_msat = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.inbound_capacity_msat = val; +} +/// The number of required confirmations on the funding transaction before the funding will be +/// considered \"locked\". This number is selected by the channel fundee (i.e. us if +/// [`is_outbound`] is *not* set), and can be selected for inbound channels with +/// [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with +/// [`ChannelHandshakeLimits::max_minimum_depth`]. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +/// +/// [`is_outbound`]: ChannelDetails::is_outbound +/// [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth +/// [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth +#[no_mangle] +pub extern "C" fn ChannelDetails_get_confirmations_required(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u32Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().confirmations_required; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u32Z::None } else { crate::c_types::derived::COption_u32Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The number of required confirmations on the funding transaction before the funding will be +/// considered \"locked\". This number is selected by the channel fundee (i.e. us if +/// [`is_outbound`] is *not* set), and can be selected for inbound channels with +/// [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with +/// [`ChannelHandshakeLimits::max_minimum_depth`]. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +/// +/// [`is_outbound`]: ChannelDetails::is_outbound +/// [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth +/// [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth +#[no_mangle] +pub extern "C" fn ChannelDetails_set_confirmations_required(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u32Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.confirmations_required = local_val; +} +/// The number of blocks (after our commitment transaction confirms) that we will need to wait +/// until we can claim our funds after we force-close the channel. During this time our +/// counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty +/// force-closes the channel and broadcasts a commitment transaction we do not have to wait any +/// time to claim our non-HTLC-encumbered funds. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +#[no_mangle] +pub extern "C" fn ChannelDetails_get_force_close_spend_delay(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u16Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().force_close_spend_delay; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u16Z::None } else { crate::c_types::derived::COption_u16Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The number of blocks (after our commitment transaction confirms) that we will need to wait +/// until we can claim our funds after we force-close the channel. During this time our +/// counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty +/// force-closes the channel and broadcasts a commitment transaction we do not have to wait any +/// time to claim our non-HTLC-encumbered funds. +/// +/// This value will be `None` for outbound channels until the counterparty accepts the channel. +#[no_mangle] +pub extern "C" fn ChannelDetails_set_force_close_spend_delay(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u16Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.force_close_spend_delay = local_val; } /// True if the channel was initiated (and thus funded) by us. #[no_mangle] pub extern "C" fn ChannelDetails_get_is_outbound(this_ptr: &ChannelDetails) -> bool { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_outbound; + let mut inner_val = &mut this_ptr.get_native_mut_ref().is_outbound; *inner_val } /// True if the channel was initiated (and thus funded) by us. #[no_mangle] pub extern "C" fn ChannelDetails_set_is_outbound(this_ptr: &mut ChannelDetails, mut val: bool) { - unsafe { &mut *this_ptr.inner }.is_outbound = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.is_outbound = val; } -/// True if the channel is confirmed, funding_locked messages have been exchanged, and the -/// channel is not currently being shut down. `funding_locked` message exchange implies the +/// True if the channel is confirmed, channel_ready messages have been exchanged, and the +/// channel is not currently being shut down. `channel_ready` message exchange implies the /// required confirmation count has been reached (and we were connected to the peer at some -/// point after the funding transaction received enough confirmations). +/// point after the funding transaction received enough confirmations). The required +/// confirmation count is provided in [`confirmations_required`]. +/// +/// [`confirmations_required`]: ChannelDetails::confirmations_required #[no_mangle] -pub extern "C" fn ChannelDetails_get_is_funding_locked(this_ptr: &ChannelDetails) -> bool { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_funding_locked; +pub extern "C" fn ChannelDetails_get_is_channel_ready(this_ptr: &ChannelDetails) -> bool { + let mut inner_val = &mut this_ptr.get_native_mut_ref().is_channel_ready; *inner_val } -/// True if the channel is confirmed, funding_locked messages have been exchanged, and the -/// channel is not currently being shut down. `funding_locked` message exchange implies the +/// True if the channel is confirmed, channel_ready messages have been exchanged, and the +/// channel is not currently being shut down. `channel_ready` message exchange implies the /// required confirmation count has been reached (and we were connected to the peer at some -/// point after the funding transaction received enough confirmations). +/// point after the funding transaction received enough confirmations). The required +/// confirmation count is provided in [`confirmations_required`]. +/// +/// [`confirmations_required`]: ChannelDetails::confirmations_required #[no_mangle] -pub extern "C" fn ChannelDetails_set_is_funding_locked(this_ptr: &mut ChannelDetails, mut val: bool) { - unsafe { &mut *this_ptr.inner }.is_funding_locked = val; +pub extern "C" fn ChannelDetails_set_is_channel_ready(this_ptr: &mut ChannelDetails, mut val: bool) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.is_channel_ready = val; } -/// True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b) -/// the peer is connected, (c) no monitor update failure is pending resolution, and (d) the -/// channel is not currently negotiating a shutdown. +/// True if the channel is (a) confirmed and channel_ready messages have been exchanged, (b) +/// the peer is connected, and (c) the channel is not currently negotiating a shutdown. /// -/// This is a strict superset of `is_funding_locked`. +/// This is a strict superset of `is_channel_ready`. #[no_mangle] pub extern "C" fn ChannelDetails_get_is_usable(this_ptr: &ChannelDetails) -> bool { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_usable; + let mut inner_val = &mut this_ptr.get_native_mut_ref().is_usable; *inner_val } -/// True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b) -/// the peer is connected, (c) no monitor update failure is pending resolution, and (d) the -/// channel is not currently negotiating a shutdown. +/// True if the channel is (a) confirmed and channel_ready messages have been exchanged, (b) +/// the peer is connected, and (c) the channel is not currently negotiating a shutdown. /// -/// This is a strict superset of `is_funding_locked`. +/// This is a strict superset of `is_channel_ready`. #[no_mangle] pub extern "C" fn ChannelDetails_set_is_usable(this_ptr: &mut ChannelDetails, mut val: bool) { - unsafe { &mut *this_ptr.inner }.is_usable = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.is_usable = val; } /// True if this channel is (or will be) publicly-announced. #[no_mangle] pub extern "C" fn ChannelDetails_get_is_public(this_ptr: &ChannelDetails) -> bool { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.is_public; + let mut inner_val = &mut this_ptr.get_native_mut_ref().is_public; *inner_val } /// True if this channel is (or will be) publicly-announced. #[no_mangle] pub extern "C" fn ChannelDetails_set_is_public(this_ptr: &mut ChannelDetails, mut val: bool) { - unsafe { &mut *this_ptr.inner }.is_public = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.is_public = val; +} +/// The smallest value HTLC (in msat) we will accept, for this channel. This field +/// is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.107 +#[no_mangle] +pub extern "C" fn ChannelDetails_get_inbound_htlc_minimum_msat(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().inbound_htlc_minimum_msat; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The smallest value HTLC (in msat) we will accept, for this channel. This field +/// is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.107 +#[no_mangle] +pub extern "C" fn ChannelDetails_set_inbound_htlc_minimum_msat(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.inbound_htlc_minimum_msat = local_val; +} +/// The largest value HTLC (in msat) we currently will accept, for this channel. +#[no_mangle] +pub extern "C" fn ChannelDetails_get_inbound_htlc_maximum_msat(this_ptr: &ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut inner_val = &mut this_ptr.get_native_mut_ref().inbound_htlc_maximum_msat; + let mut local_inner_val = if inner_val.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { inner_val.unwrap() }) }; + local_inner_val +} +/// The largest value HTLC (in msat) we currently will accept, for this channel. +#[no_mangle] +pub extern "C" fn ChannelDetails_set_inbound_htlc_maximum_msat(this_ptr: &mut ChannelDetails, mut val: crate::c_types::derived::COption_u64Z) { + let mut local_val = if val.is_some() { Some( { val.take() }) } else { None }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.inbound_htlc_maximum_msat = local_val; +} +/// Set of configurable parameters that affect channel operation. +/// +/// This field is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.109. +/// +/// Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn ChannelDetails_get_config(this_ptr: &ChannelDetails) -> crate::lightning::util::config::ChannelConfig { + let mut inner_val = &mut this_ptr.get_native_mut_ref().config; + let mut local_inner_val = crate::lightning::util::config::ChannelConfig { inner: unsafe { (if inner_val.is_none() { core::ptr::null() } else { ObjOps::nonnull_ptr_to_inner( { (inner_val.as_ref().unwrap()) }) } as *const lightning::util::config::ChannelConfig<>) as *mut _ }, is_owned: false }; + local_inner_val +} +/// Set of configurable parameters that affect channel operation. +/// +/// This field is only `None` for `ChannelDetails` objects serialized prior to LDK 0.0.109. +/// +/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None +#[no_mangle] +pub extern "C" fn ChannelDetails_set_config(this_ptr: &mut ChannelDetails, mut val: crate::lightning::util::config::ChannelConfig) { + 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) }.config = local_val; +} +/// Constructs a new ChannelDetails given each field +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelDetails_new(mut channel_id_arg: crate::c_types::ThirtyTwoBytes, mut counterparty_arg: crate::lightning::ln::channelmanager::ChannelCounterparty, mut funding_txo_arg: crate::lightning::chain::transaction::OutPoint, mut channel_type_arg: crate::lightning::ln::features::ChannelTypeFeatures, mut short_channel_id_arg: crate::c_types::derived::COption_u64Z, mut outbound_scid_alias_arg: crate::c_types::derived::COption_u64Z, mut inbound_scid_alias_arg: crate::c_types::derived::COption_u64Z, mut channel_value_satoshis_arg: u64, mut unspendable_punishment_reserve_arg: crate::c_types::derived::COption_u64Z, mut user_channel_id_arg: u64, mut balance_msat_arg: u64, mut outbound_capacity_msat_arg: u64, mut next_outbound_htlc_limit_msat_arg: u64, mut inbound_capacity_msat_arg: u64, mut confirmations_required_arg: crate::c_types::derived::COption_u32Z, mut force_close_spend_delay_arg: crate::c_types::derived::COption_u16Z, mut is_outbound_arg: bool, mut is_channel_ready_arg: bool, mut is_usable_arg: bool, mut is_public_arg: bool, mut inbound_htlc_minimum_msat_arg: crate::c_types::derived::COption_u64Z, mut inbound_htlc_maximum_msat_arg: crate::c_types::derived::COption_u64Z, mut config_arg: crate::lightning::util::config::ChannelConfig) -> ChannelDetails { + let mut local_funding_txo_arg = if funding_txo_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(funding_txo_arg.take_inner()) } }) }; + let mut local_channel_type_arg = if channel_type_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(channel_type_arg.take_inner()) } }) }; + let mut local_short_channel_id_arg = if short_channel_id_arg.is_some() { Some( { short_channel_id_arg.take() }) } else { None }; + let mut local_outbound_scid_alias_arg = if outbound_scid_alias_arg.is_some() { Some( { outbound_scid_alias_arg.take() }) } else { None }; + let mut local_inbound_scid_alias_arg = if inbound_scid_alias_arg.is_some() { Some( { inbound_scid_alias_arg.take() }) } else { None }; + let mut local_unspendable_punishment_reserve_arg = if unspendable_punishment_reserve_arg.is_some() { Some( { unspendable_punishment_reserve_arg.take() }) } else { None }; + let mut local_confirmations_required_arg = if confirmations_required_arg.is_some() { Some( { confirmations_required_arg.take() }) } else { None }; + let mut local_force_close_spend_delay_arg = if force_close_spend_delay_arg.is_some() { Some( { force_close_spend_delay_arg.take() }) } else { None }; + let mut local_inbound_htlc_minimum_msat_arg = if inbound_htlc_minimum_msat_arg.is_some() { Some( { inbound_htlc_minimum_msat_arg.take() }) } else { None }; + let mut local_inbound_htlc_maximum_msat_arg = if inbound_htlc_maximum_msat_arg.is_some() { Some( { inbound_htlc_maximum_msat_arg.take() }) } else { None }; + let mut local_config_arg = if config_arg.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(config_arg.take_inner()) } }) }; + ChannelDetails { inner: ObjOps::heap_alloc(nativeChannelDetails { + channel_id: channel_id_arg.data, + counterparty: *unsafe { Box::from_raw(counterparty_arg.take_inner()) }, + funding_txo: local_funding_txo_arg, + channel_type: local_channel_type_arg, + short_channel_id: local_short_channel_id_arg, + outbound_scid_alias: local_outbound_scid_alias_arg, + inbound_scid_alias: local_inbound_scid_alias_arg, + channel_value_satoshis: channel_value_satoshis_arg, + unspendable_punishment_reserve: local_unspendable_punishment_reserve_arg, + user_channel_id: user_channel_id_arg, + balance_msat: balance_msat_arg, + outbound_capacity_msat: outbound_capacity_msat_arg, + next_outbound_htlc_limit_msat: next_outbound_htlc_limit_msat_arg, + inbound_capacity_msat: inbound_capacity_msat_arg, + confirmations_required: local_confirmations_required_arg, + force_close_spend_delay: local_force_close_spend_delay_arg, + is_outbound: is_outbound_arg, + is_channel_ready: is_channel_ready_arg, + is_usable: is_usable_arg, + is_public: is_public_arg, + inbound_htlc_minimum_msat: local_inbound_htlc_minimum_msat_arg, + inbound_htlc_maximum_msat: local_inbound_htlc_maximum_msat_arg, + config: local_config_arg, + }), is_owned: true } } impl Clone for ChannelDetails { fn clone(&self) -> Self { Self { - inner: if <*mut nativeChannelDetails>::is_null(self.inner) { std::ptr::null_mut() } else { - Box::into_raw(Box::new(unsafe { &*self.inner }.clone())) }, + inner: if <*mut nativeChannelDetails>::is_null(self.inner) { core::ptr::null_mut() } else { + ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(self.inner) }.clone()) }, is_owned: true, } } @@ -584,17 +1155,46 @@ pub(crate) extern "C" fn ChannelDetails_clone_void(this_ptr: *const c_void) -> * pub extern "C" fn ChannelDetails_clone(orig: &ChannelDetails) -> ChannelDetails { orig.clone() } +/// Gets the current SCID which should be used to identify this channel for inbound payments. +/// This should be used for providing invoice hints or in any other context where our +/// counterparty will forward a payment to us. +/// +/// This is either the [`ChannelDetails::inbound_scid_alias`], if set, or the +/// [`ChannelDetails::short_channel_id`]. See those for more information. +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelDetails_get_inbound_payment_scid(this_arg: &crate::lightning::ln::channelmanager::ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_inbound_payment_scid(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { ret.unwrap() }) }; + local_ret +} + +/// Gets the current SCID which should be used to identify this channel for outbound payments. +/// This should be used in [`Route`]s to describe the first hop or in other contexts where +/// we're sending or forwarding a payment outbound over this channel. +/// +/// This is either the [`ChannelDetails::short_channel_id`], if set, or the +/// [`ChannelDetails::outbound_scid_alias`]. See those for more information. +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelDetails_get_outbound_payment_scid(this_arg: &crate::lightning::ln::channelmanager::ChannelDetails) -> crate::c_types::derived::COption_u64Z { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_outbound_payment_scid(); + let mut local_ret = if ret.is_none() { crate::c_types::derived::COption_u64Z::None } else { crate::c_types::derived::COption_u64Z::Some( { ret.unwrap() }) }; + local_ret +} + /// If a payment fails to send, it can be in one of several states. This enum is returned as the /// Err() type describing which state the payment is in, see the description of individual enum /// states for more. -#[must_use] #[derive(Clone)] +#[must_use] #[repr(C)] pub enum PaymentSendFailure { /// A parameter which was passed to send_payment was invalid, preventing us from attempting to /// send the payment at all. No channel state has been changed or messages sent to peers, and /// once you've changed the parameter at error, you can freely retry the payment in full. - ParameterError(crate::lightning::util::errors::APIError), + ParameterError( + crate::lightning::util::errors::APIError), /// A parameter in a single path which was passed to send_payment was invalid, preventing us /// from attempting to send the payment at all. No channel state has been changed or messages /// sent to peers, and once you've changed the parameter at error, you can freely retry the @@ -602,26 +1202,41 @@ pub enum PaymentSendFailure { /// /// The results here are ordered the same as the paths in the route object which was passed to /// send_payment. - PathParameterError(crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ), + PathParameterError( + crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ), /// All paths which were attempted failed to send, with no channel state change taking place. /// You can freely retry the payment in full (though you probably want to do so over different /// paths than the ones selected). - AllFailedRetrySafe(crate::c_types::derived::CVec_APIErrorZ), + AllFailedRetrySafe( + crate::c_types::derived::CVec_APIErrorZ), /// Some paths which were attempted failed to send, though possibly not all. At least some /// paths have irrevocably committed to the HTLC and retrying the payment in full would result /// in over-/re-payment. /// /// The results here are ordered the same as the paths in the route object which was passed to - /// send_payment, and any Errs which are not APIError::MonitorUpdateFailed can be safely - /// retried (though there is currently no API with which to do so). + /// send_payment, and any `Err`s which are not [`APIError::MonitorUpdateInProgress`] can be + /// safely retried via [`ChannelManager::retry_payment`]. /// - /// Any entries which contain Err(APIError::MonitorUpdateFailed) or Ok(()) MUST NOT be retried - /// as they will result in over-/re-payment. These HTLCs all either successfully sent (in the - /// case of Ok(())) or will send once channel_monitor_updated is called on the next-hop channel - /// with the latest update_id. - PartialFailure(crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ), -} -use lightning::ln::channelmanager::PaymentSendFailure as nativePaymentSendFailure; + /// Any entries which contain `Err(APIError::MonitorUpdateInprogress)` or `Ok(())` MUST NOT be + /// retried as they will result in over-/re-payment. These HTLCs all either successfully sent + /// (in the case of `Ok(())`) or will send once a [`MonitorEvent::Completed`] is provided for + /// the next-hop channel with the latest update_id. + PartialFailure { + /// The errors themselves, in the same order as the route hops. + results: crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ, + /// If some paths failed without irrevocably committing to the new HTLC(s), this will + /// contain a [`RouteParameters`] object which can be used to calculate a new route that + /// will pay all remaining unpaid balance. + /// + /// Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + failed_paths_retry: crate::lightning::routing::router::RouteParameters, + /// The payment id for the payment, which is now at least partially pending. + payment_id: crate::c_types::ThirtyTwoBytes, + }, +} +use lightning::ln::channelmanager::PaymentSendFailure as PaymentSendFailureImport; +pub(crate) type nativePaymentSendFailure = PaymentSendFailureImport; + impl PaymentSendFailure { #[allow(unused)] pub(crate) fn to_native(&self) -> nativePaymentSendFailure { @@ -646,12 +1261,17 @@ impl PaymentSendFailure { local_a_nonref, ) }, - PaymentSendFailure::PartialFailure (ref a, ) => { - let mut a_nonref = (*a).clone(); - let mut local_a_nonref = Vec::new(); for mut item in a_nonref.into_rust().drain(..) { local_a_nonref.push( { let mut local_a_nonref_0 = match item.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.err)) }).into_native() })}; local_a_nonref_0 }); }; - nativePaymentSendFailure::PartialFailure ( - local_a_nonref, - ) + PaymentSendFailure::PartialFailure {ref results, ref failed_paths_retry, ref payment_id, } => { + let mut results_nonref = (*results).clone(); + let mut local_results_nonref = Vec::new(); for mut item in results_nonref.into_rust().drain(..) { local_results_nonref.push( { let mut local_results_nonref_0 = match item.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.err)) }).into_native() })}; local_results_nonref_0 }); }; + let mut failed_paths_retry_nonref = (*failed_paths_retry).clone(); + let mut local_failed_paths_retry_nonref = if failed_paths_retry_nonref.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(failed_paths_retry_nonref.take_inner()) } }) }; + let mut payment_id_nonref = (*payment_id).clone(); + nativePaymentSendFailure::PartialFailure { + results: local_results_nonref, + failed_paths_retry: local_failed_paths_retry_nonref, + payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id_nonref.data), + } }, } } @@ -675,11 +1295,14 @@ impl PaymentSendFailure { local_a, ) }, - PaymentSendFailure::PartialFailure (mut a, ) => { - let mut local_a = Vec::new(); for mut item in a.into_rust().drain(..) { local_a.push( { let mut local_a_0 = match item.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.err)) }).into_native() })}; local_a_0 }); }; - nativePaymentSendFailure::PartialFailure ( - local_a, - ) + PaymentSendFailure::PartialFailure {mut results, mut failed_paths_retry, mut payment_id, } => { + let mut local_results = Vec::new(); for mut item in results.into_rust().drain(..) { local_results.push( { let mut local_results_0 = match item.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut item.contents.err)) }).into_native() })}; local_results_0 }); }; + let mut local_failed_paths_retry = if failed_paths_retry.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(failed_paths_retry.take_inner()) } }) }; + nativePaymentSendFailure::PartialFailure { + results: local_results, + failed_paths_retry: local_failed_paths_retry, + payment_id: ::lightning::ln::channelmanager::PaymentId(payment_id.data), + } }, } } @@ -706,12 +1329,17 @@ impl PaymentSendFailure { local_a_nonref.into(), ) }, - nativePaymentSendFailure::PartialFailure (ref a, ) => { - let mut a_nonref = (*a).clone(); - let mut local_a_nonref = Vec::new(); for mut item in a_nonref.drain(..) { local_a_nonref.push( { let mut local_a_nonref_0 = match item { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_a_nonref_0 }); }; - PaymentSendFailure::PartialFailure ( - local_a_nonref.into(), - ) + nativePaymentSendFailure::PartialFailure {ref results, ref failed_paths_retry, ref payment_id, } => { + let mut results_nonref = (*results).clone(); + let mut local_results_nonref = Vec::new(); for mut item in results_nonref.drain(..) { local_results_nonref.push( { let mut local_results_nonref_0 = match item { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_results_nonref_0 }); }; + let mut failed_paths_retry_nonref = (*failed_paths_retry).clone(); + let mut local_failed_paths_retry_nonref = crate::lightning::routing::router::RouteParameters { inner: if failed_paths_retry_nonref.is_none() { core::ptr::null_mut() } else { { ObjOps::heap_alloc((failed_paths_retry_nonref.unwrap())) } }, is_owned: true }; + let mut payment_id_nonref = (*payment_id).clone(); + PaymentSendFailure::PartialFailure { + results: local_results_nonref.into(), + failed_paths_retry: local_failed_paths_retry_nonref, + payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id_nonref.0 }, + } }, } } @@ -735,21 +1363,168 @@ impl PaymentSendFailure { local_a.into(), ) }, - nativePaymentSendFailure::PartialFailure (mut a, ) => { - let mut local_a = Vec::new(); for mut item in a.drain(..) { local_a.push( { let mut local_a_0 = match item { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_a_0 }); }; - PaymentSendFailure::PartialFailure ( - local_a.into(), - ) + nativePaymentSendFailure::PartialFailure {mut results, mut failed_paths_retry, mut payment_id, } => { + let mut local_results = Vec::new(); for mut item in results.drain(..) { local_results.push( { let mut local_results_0 = match item { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_results_0 }); }; + let mut local_failed_paths_retry = crate::lightning::routing::router::RouteParameters { inner: if failed_paths_retry.is_none() { core::ptr::null_mut() } else { { ObjOps::heap_alloc((failed_paths_retry.unwrap())) } }, is_owned: true }; + PaymentSendFailure::PartialFailure { + results: local_results.into(), + failed_paths_retry: local_failed_paths_retry, + payment_id: crate::c_types::ThirtyTwoBytes { data: payment_id.0 }, + } }, } } } -/// Frees any resources used by the PaymentSendFailure +/// Frees any resources used by the PaymentSendFailure +#[no_mangle] +pub extern "C" fn PaymentSendFailure_free(this_ptr: PaymentSendFailure) { } +/// Creates a copy of the PaymentSendFailure +#[no_mangle] +pub extern "C" fn PaymentSendFailure_clone(orig: &PaymentSendFailure) -> PaymentSendFailure { + orig.clone() +} +#[no_mangle] +/// Utility method to constructs a new ParameterError-variant PaymentSendFailure +pub extern "C" fn PaymentSendFailure_parameter_error(a: crate::lightning::util::errors::APIError) -> PaymentSendFailure { + PaymentSendFailure::ParameterError(a, ) +} +#[no_mangle] +/// Utility method to constructs a new PathParameterError-variant PaymentSendFailure +pub extern "C" fn PaymentSendFailure_path_parameter_error(a: crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ) -> PaymentSendFailure { + PaymentSendFailure::PathParameterError(a, ) +} +#[no_mangle] +/// Utility method to constructs a new AllFailedRetrySafe-variant PaymentSendFailure +pub extern "C" fn PaymentSendFailure_all_failed_retry_safe(a: crate::c_types::derived::CVec_APIErrorZ) -> PaymentSendFailure { + PaymentSendFailure::AllFailedRetrySafe(a, ) +} +#[no_mangle] +/// Utility method to constructs a new PartialFailure-variant PaymentSendFailure +pub extern "C" fn PaymentSendFailure_partial_failure(results: crate::c_types::derived::CVec_CResult_NoneAPIErrorZZ, failed_paths_retry: crate::lightning::routing::router::RouteParameters, payment_id: crate::c_types::ThirtyTwoBytes) -> PaymentSendFailure { + PaymentSendFailure::PartialFailure { + results, + failed_paths_retry, + payment_id, + } +} + +use lightning::ln::channelmanager::PhantomRouteHints as nativePhantomRouteHintsImport; +pub(crate) type nativePhantomRouteHints = nativePhantomRouteHintsImport; + +/// Route hints used in constructing invoices for [phantom node payents]. +/// +/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager +#[must_use] +#[repr(C)] +pub struct PhantomRouteHints { + /// 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 nativePhantomRouteHints, + /// 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, +} + +impl Drop for PhantomRouteHints { + fn drop(&mut self) { + if self.is_owned && !<*mut nativePhantomRouteHints>::is_null(self.inner) { + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; + } + } +} +/// Frees any resources used by the PhantomRouteHints, if is_owned is set and inner is non-NULL. #[no_mangle] -pub extern "C" fn PaymentSendFailure_free(this_ptr: PaymentSendFailure) { } -/// Creates a copy of the PaymentSendFailure +pub extern "C" fn PhantomRouteHints_free(this_obj: PhantomRouteHints) { } +#[allow(unused)] +/// Used only if an object of this type is returned as a trait impl by a method +pub(crate) extern "C" fn PhantomRouteHints_free_void(this_ptr: *mut c_void) { + unsafe { let _ = Box::from_raw(this_ptr as *mut nativePhantomRouteHints); } +} +#[allow(unused)] +impl PhantomRouteHints { + pub(crate) fn get_native_ref(&self) -> &'static nativePhantomRouteHints { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativePhantomRouteHints { + 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 nativePhantomRouteHints { + assert!(self.is_owned); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); + ret + } +} +/// The list of channels to be included in the invoice route hints. #[no_mangle] -pub extern "C" fn PaymentSendFailure_clone(orig: &PaymentSendFailure) -> PaymentSendFailure { +pub extern "C" fn PhantomRouteHints_get_channels(this_ptr: &PhantomRouteHints) -> crate::c_types::derived::CVec_ChannelDetailsZ { + let mut inner_val = &mut this_ptr.get_native_mut_ref().channels; + let mut local_inner_val = Vec::new(); for item in inner_val.iter() { local_inner_val.push( { crate::lightning::ln::channelmanager::ChannelDetails { inner: unsafe { ObjOps::nonnull_ptr_to_inner((item as *const lightning::ln::channelmanager::ChannelDetails<>) as *mut _) }, is_owned: false } }); }; + local_inner_val.into() +} +/// The list of channels to be included in the invoice route hints. +#[no_mangle] +pub extern "C" fn PhantomRouteHints_set_channels(this_ptr: &mut PhantomRouteHints, mut val: crate::c_types::derived::CVec_ChannelDetailsZ) { + let mut local_val = Vec::new(); for mut item in val.into_rust().drain(..) { local_val.push( { *unsafe { Box::from_raw(item.take_inner()) } }); }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channels = local_val; +} +/// A fake scid used for representing the phantom node's fake channel in generating the invoice +/// route hints. +#[no_mangle] +pub extern "C" fn PhantomRouteHints_get_phantom_scid(this_ptr: &PhantomRouteHints) -> u64 { + let mut inner_val = &mut this_ptr.get_native_mut_ref().phantom_scid; + *inner_val +} +/// A fake scid used for representing the phantom node's fake channel in generating the invoice +/// route hints. +#[no_mangle] +pub extern "C" fn PhantomRouteHints_set_phantom_scid(this_ptr: &mut PhantomRouteHints, mut val: u64) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.phantom_scid = val; +} +/// The pubkey of the real backing node that would ultimately receive the payment. +#[no_mangle] +pub extern "C" fn PhantomRouteHints_get_real_node_pubkey(this_ptr: &PhantomRouteHints) -> crate::c_types::PublicKey { + let mut inner_val = &mut this_ptr.get_native_mut_ref().real_node_pubkey; + crate::c_types::PublicKey::from_rust(&inner_val) +} +/// The pubkey of the real backing node that would ultimately receive the payment. +#[no_mangle] +pub extern "C" fn PhantomRouteHints_set_real_node_pubkey(this_ptr: &mut PhantomRouteHints, mut val: crate::c_types::PublicKey) { + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.real_node_pubkey = val.into_rust(); +} +/// Constructs a new PhantomRouteHints given each field +#[must_use] +#[no_mangle] +pub extern "C" fn PhantomRouteHints_new(mut channels_arg: crate::c_types::derived::CVec_ChannelDetailsZ, mut phantom_scid_arg: u64, mut real_node_pubkey_arg: crate::c_types::PublicKey) -> PhantomRouteHints { + let mut local_channels_arg = Vec::new(); for mut item in channels_arg.into_rust().drain(..) { local_channels_arg.push( { *unsafe { Box::from_raw(item.take_inner()) } }); }; + PhantomRouteHints { inner: ObjOps::heap_alloc(nativePhantomRouteHints { + channels: local_channels_arg, + phantom_scid: phantom_scid_arg, + real_node_pubkey: real_node_pubkey_arg.into_rust(), + }), is_owned: true } +} +impl Clone for PhantomRouteHints { + fn clone(&self) -> Self { + Self { + inner: if <*mut nativePhantomRouteHints>::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 PhantomRouteHints_clone_void(this_ptr: *const c_void) -> *mut c_void { + Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativePhantomRouteHints)).clone() })) as *mut c_void +} +#[no_mangle] +/// Creates a copy of the PhantomRouteHints +pub extern "C" fn PhantomRouteHints_clone(orig: &PhantomRouteHints) -> PhantomRouteHints { orig.clone() } /// Constructs a new ChannelManager to hold several channels and route between them. @@ -759,45 +1534,58 @@ pub extern "C" fn PaymentSendFailure_clone(orig: &PaymentSendFailure) -> Payment /// /// Non-proportional fees are fixed according to our risk using the provided fee estimator. /// -/// panics if channel_value_satoshis is >= `MAX_FUNDING_SATOSHIS`! -/// /// Users need to notify the new ChannelManager when a new block is connected or /// disconnected using its `block_connected` and `block_disconnected` methods, starting /// from after `params.latest_hash`. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_new(mut fee_est: crate::lightning::chain::chaininterface::FeeEstimator, mut chain_monitor: crate::lightning::chain::Watch, mut tx_broadcaster: crate::lightning::chain::chaininterface::BroadcasterInterface, mut logger: crate::lightning::util::logger::Logger, mut keys_manager: crate::lightning::chain::keysinterface::KeysInterface, mut config: crate::lightning::util::config::UserConfig, mut params: crate::lightning::ln::channelmanager::ChainParameters) -> ChannelManager { +pub extern "C" fn ChannelManager_new(mut fee_est: crate::lightning::chain::chaininterface::FeeEstimator, mut chain_monitor: crate::lightning::chain::Watch, mut tx_broadcaster: crate::lightning::chain::chaininterface::BroadcasterInterface, mut logger: crate::lightning::util::logger::Logger, mut keys_manager: crate::lightning::chain::keysinterface::KeysInterface, mut config: crate::lightning::util::config::UserConfig, mut params: crate::lightning::ln::channelmanager::ChainParameters) -> crate::lightning::ln::channelmanager::ChannelManager { let mut ret = lightning::ln::channelmanager::ChannelManager::new(fee_est, chain_monitor, tx_broadcaster, logger, keys_manager, *unsafe { Box::from_raw(config.take_inner()) }, *unsafe { Box::from_raw(params.take_inner()) }); - ChannelManager { inner: Box::into_raw(Box::new(ret)), is_owned: true } + crate::lightning::ln::channelmanager::ChannelManager { inner: ObjOps::heap_alloc(ret), is_owned: true } } -/// Gets the current configuration applied to all new channels, as +/// Gets the current configuration applied to all new channels. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_get_current_default_configuration(this_arg: &ChannelManager) -> crate::lightning::util::config::UserConfig { - let mut ret = unsafe { &*this_arg.inner }.get_current_default_configuration(); - crate::lightning::util::config::UserConfig { inner: unsafe { ( (&(*ret) as *const _) as *mut _) }, is_owned: false } +pub extern "C" fn ChannelManager_get_current_default_configuration(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::lightning::util::config::UserConfig { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_current_default_configuration(); + crate::lightning::util::config::UserConfig { inner: unsafe { ObjOps::nonnull_ptr_to_inner((ret as *const lightning::util::config::UserConfig<>) as *mut _) }, is_owned: false } } /// Creates a new outbound channel to the given remote node and with the given value. /// -/// user_id will be provided back as user_channel_id in FundingGenerationReady events to allow -/// tracking of which events correspond with which create_channel call. Note that the -/// user_channel_id defaults to 0 for inbound channels, so you may wish to avoid using 0 for -/// user_id here. user_id has no meaning inside of LDK, it is simply copied to events and -/// otherwise ignored. +/// `user_channel_id` will be provided back as in +/// [`Event::FundingGenerationReady::user_channel_id`] to allow tracking of which events +/// correspond with which `create_channel` call. Note that the `user_channel_id` defaults to 0 +/// for inbound channels, so you may wish to avoid using 0 for `user_channel_id` here. +/// `user_channel_id` has no meaning inside of LDK, it is simply copied to events and otherwise +/// ignored. +/// +/// Raises [`APIError::APIMisuseError`] when `channel_value_satoshis` > 2**24 or `push_msat` is +/// greater than `channel_value_satoshis * 1k` or `channel_value_satoshis < 1000`. +/// +/// Note that we do not check if you are currently connected to the given peer. If no +/// connection is available, the outbound `open_channel` message may fail to send, resulting in +/// the channel eventually being silently forgotten (dropped on reload). /// -/// If successful, will generate a SendOpenChannel message event, so you should probably poll -/// PeerManager::process_events afterwards. +/// Returns the new Channel's temporary `channel_id`. This ID will appear as +/// [`Event::FundingGenerationReady::temporary_channel_id`] and in +/// [`ChannelDetails::channel_id`] until after +/// [`ChannelManager::funding_transaction_generated`] is called, swapping the Channel's ID for +/// one derived from the funding transaction's TXID. If the counterparty rejects the channel +/// immediately, this temporary ID will appear in [`Event::ChannelClosed::channel_id`]. /// -/// Raises APIError::APIMisuseError when channel_value_satoshis > 2**24 or push_msat is -/// greater than channel_value_satoshis * 1k or channel_value_satoshis is < 1000. +/// [`Event::FundingGenerationReady::user_channel_id`]: events::Event::FundingGenerationReady::user_channel_id +/// [`Event::FundingGenerationReady::temporary_channel_id`]: events::Event::FundingGenerationReady::temporary_channel_id +/// [`Event::ChannelClosed::channel_id`]: events::Event::ChannelClosed::channel_id +/// +/// Note that override_config (or a relevant inner pointer) may be NULL or all-0s to represent None #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_create_channel(this_arg: &ChannelManager, mut their_network_key: crate::c_types::PublicKey, mut channel_value_satoshis: u64, mut push_msat: u64, mut user_id: u64, mut override_config: crate::lightning::util::config::UserConfig) -> crate::c_types::derived::CResult_NoneAPIErrorZ { +pub extern "C" fn ChannelManager_create_channel(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut their_network_key: crate::c_types::PublicKey, mut channel_value_satoshis: u64, mut push_msat: u64, mut user_channel_id: u64, mut override_config: crate::lightning::util::config::UserConfig) -> crate::c_types::derived::CResult__u832APIErrorZ { let mut local_override_config = if override_config.inner.is_null() { None } else { Some( { *unsafe { Box::from_raw(override_config.take_inner()) } }) }; - let mut ret = unsafe { &*this_arg.inner }.create_channel(their_network_key.into_rust(), channel_value_satoshis, push_msat, user_id, local_override_config); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.create_channel(their_network_key.into_rust(), channel_value_satoshis, push_msat, user_channel_id, local_override_config); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } @@ -805,23 +1593,25 @@ pub extern "C" fn ChannelManager_create_channel(this_arg: &ChannelManager, mut t /// more information. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_list_channels(this_arg: &ChannelManager) -> crate::c_types::derived::CVec_ChannelDetailsZ { - let mut ret = unsafe { &*this_arg.inner }.list_channels(); - let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::lightning::ln::channelmanager::ChannelDetails { inner: Box::into_raw(Box::new(item)), is_owned: true } }); }; +pub extern "C" fn ChannelManager_list_channels(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::c_types::derived::CVec_ChannelDetailsZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.list_channels(); + let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::lightning::ln::channelmanager::ChannelDetails { inner: ObjOps::heap_alloc(item), is_owned: true } }); }; local_ret.into() } -/// Gets the list of usable channels, in random order. Useful as an argument to -/// get_route to ensure non-announced channels are used. +/// Gets the list of usable channels, in random order. Useful as an argument to [`find_route`] +/// to ensure non-announced channels are used. /// /// These are guaranteed to have their [`ChannelDetails::is_usable`] value set to true, see the /// documentation for [`ChannelDetails::is_usable`] for more info on exactly what the criteria /// are. +/// +/// [`find_route`]: crate::routing::router::find_route #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_list_usable_channels(this_arg: &ChannelManager) -> crate::c_types::derived::CVec_ChannelDetailsZ { - let mut ret = unsafe { &*this_arg.inner }.list_usable_channels(); - let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::lightning::ln::channelmanager::ChannelDetails { inner: Box::into_raw(Box::new(item)), is_owned: true } }); }; +pub extern "C" fn ChannelManager_list_usable_channels(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::c_types::derived::CVec_ChannelDetailsZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.list_usable_channels(); + let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::lightning::ln::channelmanager::ChannelDetails { inner: ObjOps::heap_alloc(item), is_owned: true } }); }; local_ret.into() } @@ -829,21 +1619,76 @@ pub extern "C" fn ChannelManager_list_usable_channels(this_arg: &ChannelManager) /// will be accepted on the given channel, and after additional timeout/the closing of all /// pending HTLCs, the channel will be closed on chain. /// +/// * If we are the channel initiator, we will pay between our [`Background`] and +/// [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee +/// estimate. +/// * If our counterparty is the channel initiator, we will require a channel closing +/// transaction feerate of at least our [`Background`] feerate or the feerate which +/// would appear on a force-closure transaction, whichever is lower. We will allow our +/// counterparty to pay as much fee as they'd like, however. +/// +/// May generate a SendShutdown message event on success, which should be relayed. +/// +/// [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis +/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background +/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_close_channel(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.close_channel(unsafe { &*channel_id}, &counterparty_node_id.into_rust()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret +} + +/// Begins the process of closing a channel. After this call (plus some timeout), no new HTLCs +/// will be accepted on the given channel, and after additional timeout/the closing of all +/// pending HTLCs, the channel will be closed on chain. +/// +/// `target_feerate_sat_per_1000_weight` has different meanings depending on if we initiated +/// the channel being closed or not: +/// * If we are the channel initiator, we will pay at least this feerate on the closing +/// transaction. The upper-bound is set by +/// [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee +/// estimate (or `target_feerate_sat_per_1000_weight`, if it is greater). +/// * If our counterparty is the channel initiator, we will refuse to accept a channel closure +/// transaction feerate below `target_feerate_sat_per_1000_weight` (or the feerate which +/// will appear on a force-closure transaction, whichever is lower). +/// /// May generate a SendShutdown message event on success, which should be relayed. +/// +/// [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis +/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background +/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_close_channel_with_target_feerate(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey, mut target_feerate_sats_per_1000_weight: u32) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.close_channel_with_target_feerate(unsafe { &*channel_id}, &counterparty_node_id.into_rust(), target_feerate_sats_per_1000_weight); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret +} + +/// Force closes a channel, immediately broadcasting the latest local transaction(s) and +/// rejecting new HTLCs on the given channel. Fails if `channel_id` is unknown to +/// the manager, or if the `counterparty_node_id` isn't the counterparty of the corresponding +/// channel. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_close_channel(this_arg: &ChannelManager, channel_id: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneAPIErrorZ { - let mut ret = unsafe { &*this_arg.inner }.close_channel(unsafe { &*channel_id}); +pub extern "C" fn ChannelManager_force_close_broadcasting_latest_txn(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.force_close_broadcasting_latest_txn(unsafe { &*channel_id}, &counterparty_node_id.into_rust()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } -/// Force closes a channel, immediately broadcasting the latest local commitment transaction to -/// the chain and rejecting new HTLCs on the given channel. Fails if channel_id is unknown to the manager. +/// Force closes a channel, rejecting new HTLCs on the given channel but skips broadcasting +/// the latest local transaction(s). Fails if `channel_id` is unknown to the manager, or if the +/// `counterparty_node_id` isn't the counterparty of the corresponding channel. +/// +/// You can always get the latest local transaction(s) to broadcast from +/// [`ChannelMonitor::get_latest_holder_commitment_txn`]. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_force_close_channel(this_arg: &ChannelManager, channel_id: *const [u8; 32]) -> crate::c_types::derived::CResult_NoneAPIErrorZ { - let mut ret = unsafe { &*this_arg.inner }.force_close_channel(unsafe { &*channel_id}); +pub extern "C" fn ChannelManager_force_close_without_broadcasting_txn(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.force_close_without_broadcasting_txn(unsafe { &*channel_id}, &counterparty_node_id.into_rust()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } @@ -851,8 +1696,15 @@ pub extern "C" fn ChannelManager_force_close_channel(this_arg: &ChannelManager, /// Force close all channels, immediately broadcasting the latest local commitment transaction /// for each to the chain and rejecting new HTLCs on each. #[no_mangle] -pub extern "C" fn ChannelManager_force_close_all_channels(this_arg: &ChannelManager) { - unsafe { &*this_arg.inner }.force_close_all_channels() +pub extern "C" fn ChannelManager_force_close_all_channels_broadcasting_latest_txn(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.force_close_all_channels_broadcasting_latest_txn() +} + +/// Force close all channels rejecting new HTLCs on each but without broadcasting the latest +/// local transaction(s). +#[no_mangle] +pub extern "C" fn ChannelManager_force_close_all_channels_without_broadcasting_txn(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.force_close_all_channels_without_broadcasting_txn() } /// Sends a payment along a given route. @@ -874,12 +1726,12 @@ pub extern "C" fn ChannelManager_force_close_all_channels(this_arg: &ChannelMana /// PaymentSendFailure for more info. /// /// In general, a path may raise: -/// * APIError::RouteError when an invalid route or forwarding parameter (cltv_delta, fee, +/// * [`APIError::RouteError`] when an invalid route or forwarding parameter (cltv_delta, fee, /// node public key) is specified. -/// * APIError::ChannelUnavailable if the next-hop channel is not available for updates +/// * [`APIError::ChannelUnavailable`] if the next-hop channel is not available for updates /// (including due to previous monitor update failure or new permanent monitor update /// failure). -/// * APIError::MonitorUpdateFailed if a new monitor update failure prevented sending the +/// * [`APIError::MonitorUpdateInProgress`] if a new monitor update failure prevented sending the /// relevant updates. /// /// Note that depending on the type of the PaymentSendFailure the HTLC may have been @@ -894,21 +1746,101 @@ pub extern "C" fn ChannelManager_force_close_all_channels(this_arg: &ChannelMana /// If a payment_secret *is* provided, we assume that the invoice had the payment_secret feature /// bit set (either as required or as available). If multiple paths are present in the Route, /// we assume the invoice had the basic_mpp feature set. +/// +/// Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_send_payment(this_arg: &ChannelManager, route: &crate::lightning::routing::router::Route, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut payment_secret: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_NonePaymentSendFailureZ { +pub extern "C" fn ChannelManager_send_payment(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, route: &crate::lightning::routing::router::Route, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut payment_secret: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_PaymentIdPaymentSendFailureZ { let mut local_payment_secret = if payment_secret.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentSecret(payment_secret.data) }) }; - let mut ret = unsafe { &*this_arg.inner }.send_payment(unsafe { &*route.inner }, ::lightning::ln::PaymentHash(payment_hash.data), &local_payment_secret); + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.send_payment(route.get_native_ref(), ::lightning::ln::PaymentHash(payment_hash.data), &local_payment_secret); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.0 } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::channelmanager::PaymentSendFailure::native_into(e) }).into() }; + local_ret +} + +/// Retries a payment along the given [`Route`]. +/// +/// Errors returned are a superset of those returned from [`send_payment`], so see +/// [`send_payment`] documentation for more details on errors. This method will also error if the +/// retry amount puts the payment more than 10% over the payment's total amount, if the payment +/// for the given `payment_id` cannot be found (likely due to timeout or success), or if +/// further retries have been disabled with [`abandon_payment`]. +/// +/// [`send_payment`]: [`ChannelManager::send_payment`] +/// [`abandon_payment`]: [`ChannelManager::abandon_payment`] +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_retry_payment(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, route: &crate::lightning::routing::router::Route, mut payment_id: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_NonePaymentSendFailureZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.retry_payment(route.get_native_ref(), ::lightning::ln::channelmanager::PaymentId(payment_id.data)); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::channelmanager::PaymentSendFailure::native_into(e) }).into() }; local_ret } +/// Signals that no further retries for the given payment will occur. +/// +/// After this method returns, any future calls to [`retry_payment`] for the given `payment_id` +/// will fail with [`PaymentSendFailure::ParameterError`]. If no such event has been generated, +/// an [`Event::PaymentFailed`] event will be generated as soon as there are no remaining +/// pending HTLCs for this payment. +/// +/// Note that calling this method does *not* prevent a payment from succeeding. You must still +/// wait until you receive either a [`Event::PaymentFailed`] or [`Event::PaymentSent`] event to +/// determine the ultimate status of a payment. +/// +/// [`retry_payment`]: Self::retry_payment +/// [`Event::PaymentFailed`]: events::Event::PaymentFailed +/// [`Event::PaymentSent`]: events::Event::PaymentSent +#[no_mangle] +pub extern "C" fn ChannelManager_abandon_payment(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut payment_id: crate::c_types::ThirtyTwoBytes) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.abandon_payment(::lightning::ln::channelmanager::PaymentId(payment_id.data)) +} + +/// Send a spontaneous payment, which is a payment that does not require the recipient to have +/// generated an invoice. Optionally, you may specify the preimage. If you do choose to specify +/// the preimage, it must be a cryptographically secure random value that no intermediate node +/// would be able to guess -- otherwise, an intermediate node may claim the payment and it will +/// never reach the recipient. +/// +/// See [`send_payment`] documentation for more details on the return value of this function. +/// +/// Similar to regular payments, you MUST NOT reuse a `payment_preimage` value. See +/// [`send_payment`] for more information about the risks of duplicate preimage usage. +/// +/// Note that `route` must have exactly one path. +/// +/// [`send_payment`]: Self::send_payment +/// +/// Note that payment_preimage (or a relevant inner pointer) may be NULL or all-0s to represent None +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_send_spontaneous_payment(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, route: &crate::lightning::routing::router::Route, mut payment_preimage: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ { + let mut local_payment_preimage = if payment_preimage.data == [0; 32] { None } else { Some( { ::lightning::ln::PaymentPreimage(payment_preimage.data) }) }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.send_spontaneous_payment(route.get_native_ref(), local_payment_preimage); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_0_1.0 }).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::channelmanager::PaymentSendFailure::native_into(e) }).into() }; + local_ret +} + +/// Send a payment that is probing the given route for liquidity. We calculate the +/// [`PaymentHash`] of probes based on a static secret and a random [`PaymentId`], which allows +/// us to easily discern them from real payments. +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_send_probe(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut hops: crate::c_types::derived::CVec_RouteHopZ) -> crate::c_types::derived::CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ { + let mut local_hops = Vec::new(); for mut item in hops.into_rust().drain(..) { local_hops.push( { *unsafe { Box::from_raw(item.take_inner()) } }); }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.send_probe(local_hops); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_0_1.0 }).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::channelmanager::PaymentSendFailure::native_into(e) }).into() }; + local_ret +} + /// Call this upon creation of a funding transaction for the given channel. /// /// Returns an [`APIError::APIMisuseError`] if the funding_transaction spent non-SegWit outputs /// or if no output was found which matches the parameters in [`Event::FundingGenerationReady`]. /// -/// Panics if a funding transaction has already been provided for this channel. +/// Returns [`APIError::APIMisuseError`] if the funding transaction is not final for propagation +/// across the p2p network. +/// +/// Returns [`APIError::ChannelUnavailable`] if a funding transaction has already been provided +/// for the channel or if the channel has been closed as indicated by [`Event::ChannelClosed`]. /// /// May panic if the output found in the funding transaction is duplicative with some other /// channel (note that this should be trivially prevented by using unique funding transaction @@ -922,37 +1854,50 @@ pub extern "C" fn ChannelManager_send_payment(this_arg: &ChannelManager, route: /// not currently support replacing a funding transaction on an existing channel. Instead, /// create a new channel with a conflicting funding transaction. /// +/// Note to keep the miner incentives aligned in moving the blockchain forward, we recommend +/// the wallet software generating the funding transaction to apply anti-fee sniping as +/// implemented by Bitcoin Core wallet. See +/// for more details. +/// /// [`Event::FundingGenerationReady`]: crate::util::events::Event::FundingGenerationReady +/// [`Event::ChannelClosed`]: crate::util::events::Event::ChannelClosed #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_funding_transaction_generated(this_arg: &ChannelManager, temporary_channel_id: *const [u8; 32], mut funding_transaction: crate::c_types::Transaction) -> crate::c_types::derived::CResult_NoneAPIErrorZ { - let mut ret = unsafe { &*this_arg.inner }.funding_transaction_generated(unsafe { &*temporary_channel_id}, funding_transaction.into_bitcoin()); +pub extern "C" fn ChannelManager_funding_transaction_generated(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, temporary_channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey, mut funding_transaction: crate::c_types::Transaction) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.funding_transaction_generated(unsafe { &*temporary_channel_id}, &counterparty_node_id.into_rust(), funding_transaction.into_bitcoin()); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } -/// Regenerates channel_announcements and generates a signed node_announcement from the given -/// arguments, providing them in corresponding events via -/// [`get_and_clear_pending_msg_events`], if at least one public channel has been confirmed -/// on-chain. This effectively re-broadcasts all channel announcements and sends our node -/// announcement to ensure that the lightning P2P network is aware of the channels we have and -/// our network addresses. +/// Atomically updates the [`ChannelConfig`] for the given channels. /// -/// `rgb` is a node \"color\" and `alias` is a printable human-readable string to describe this -/// node to humans. They carry no in-protocol meaning. +/// Once the updates are applied, each eligible channel (advertised with a known short channel +/// ID and a change in [`forwarding_fee_proportional_millionths`], [`forwarding_fee_base_msat`], +/// or [`cltv_expiry_delta`]) has a [`BroadcastChannelUpdate`] event message generated +/// containing the new [`ChannelUpdate`] message which should be broadcast to the network. /// -/// `addresses` represent the set (possibly empty) of socket addresses on which this node -/// accepts incoming connections. These will be included in the node_announcement, publicly -/// tying these addresses together and to this node. If you wish to preserve user privacy, -/// addresses should likely contain only Tor Onion addresses. +/// Returns [`ChannelUnavailable`] when a channel is not found or an incorrect +/// `counterparty_node_id` is provided. /// -/// Panics if `addresses` is absurdly large (more than 500). +/// Returns [`APIMisuseError`] when a [`cltv_expiry_delta`] update is to be applied with a value +/// below [`MIN_CLTV_EXPIRY_DELTA`]. /// -/// [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events +/// If an error is returned, none of the updates should be considered applied. +/// +/// [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths +/// [`forwarding_fee_base_msat`]: ChannelConfig::forwarding_fee_base_msat +/// [`cltv_expiry_delta`]: ChannelConfig::cltv_expiry_delta +/// [`BroadcastChannelUpdate`]: events::MessageSendEvent::BroadcastChannelUpdate +/// [`ChannelUpdate`]: msgs::ChannelUpdate +/// [`ChannelUnavailable`]: APIError::ChannelUnavailable +/// [`APIMisuseError`]: APIError::APIMisuseError +#[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_broadcast_node_announcement(this_arg: &ChannelManager, mut rgb: crate::c_types::ThreeBytes, mut alias: crate::c_types::ThirtyTwoBytes, mut addresses: crate::c_types::derived::CVec_NetAddressZ) { - let mut local_addresses = Vec::new(); for mut item in addresses.into_rust().drain(..) { local_addresses.push( { item.into_native() }); }; - unsafe { &*this_arg.inner }.broadcast_node_announcement(rgb.data, alias.data, local_addresses) +pub extern "C" fn ChannelManager_update_channel_config(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut counterparty_node_id: crate::c_types::PublicKey, mut channel_ids: crate::c_types::derived::CVec_ThirtyTwoBytesZ, config: &crate::lightning::util::config::ChannelConfig) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut local_channel_ids = Vec::new(); for mut item in channel_ids.into_rust().drain(..) { local_channel_ids.push( { item.data }); }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.update_channel_config(&counterparty_node_id.into_rust(), &local_channel_ids.iter().map(|a| *a).collect::>()[..], config.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret } /// Processes HTLCs which are pending waiting on random forward delay. @@ -960,92 +1905,131 @@ pub extern "C" fn ChannelManager_broadcast_node_announcement(this_arg: &ChannelM /// Should only really ever be called in response to a PendingHTLCsForwardable event. /// Will likely generate further events. #[no_mangle] -pub extern "C" fn ChannelManager_process_pending_htlc_forwards(this_arg: &ChannelManager) { - unsafe { &*this_arg.inner }.process_pending_htlc_forwards() +pub extern "C" fn ChannelManager_process_pending_htlc_forwards(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.process_pending_htlc_forwards() } -/// If a peer is disconnected we mark any channels with that peer as 'disabled'. -/// After some time, if channels are still disabled we need to broadcast a ChannelUpdate -/// to inform the network about the uselessness of these channels. +/// Performs actions which should happen on startup and roughly once per minute thereafter. /// -/// This method handles all the details, and must be called roughly once per minute. +/// This currently includes: +/// * Increasing or decreasing the on-chain feerate estimates for our outbound channels, +/// * Broadcasting `ChannelUpdate` messages if we've been disconnected from our peer for more +/// than a minute, informing the network that they should no longer attempt to route over +/// the channel. +/// * Expiring a channel's previous `ChannelConfig` if necessary to only allow forwarding HTLCs +/// with the current `ChannelConfig`. /// -/// Note that in some rare cases this may generate a `chain::Watch::update_channel` call. +/// Note that this may cause reentrancy through `chain::Watch::update_channel` calls or feerate +/// estimate fetches. #[no_mangle] -pub extern "C" fn ChannelManager_timer_tick_occurred(this_arg: &ChannelManager) { - unsafe { &*this_arg.inner }.timer_tick_occurred() +pub extern "C" fn ChannelManager_timer_tick_occurred(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.timer_tick_occurred() } /// Indicates that the preimage for payment_hash is unknown or the received amount is incorrect /// after a PaymentReceived event, failing the HTLC back to its origin and freeing resources /// along the path (including in our own channel on which we received it). -/// Returns false if no payment was found to fail backwards, true if the process of failing the -/// HTLC backwards has been started. -#[must_use] +/// +/// Note that in some cases around unclean shutdown, it is possible the payment may have +/// already been claimed by you via [`ChannelManager::claim_funds`] prior to you seeing (a +/// second copy of) the [`events::Event::PaymentReceived`] event. Alternatively, the payment +/// may have already been failed automatically by LDK if it was nearing its expiration time. +/// +/// While LDK will never claim a payment automatically on your behalf (i.e. without you calling +/// [`ChannelManager::claim_funds`]), you should still monitor for +/// [`events::Event::PaymentClaimed`] events even for payments you intend to fail, especially on +/// startup during which time claims that were in-progress at shutdown may be replayed. #[no_mangle] -pub extern "C" fn ChannelManager_fail_htlc_backwards(this_arg: &ChannelManager, payment_hash: *const [u8; 32]) -> bool { - let mut ret = unsafe { &*this_arg.inner }.fail_htlc_backwards(&::lightning::ln::PaymentHash(unsafe { *payment_hash })); - ret +pub extern "C" fn ChannelManager_fail_htlc_backwards(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, payment_hash: *const [u8; 32]) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.fail_htlc_backwards(&::lightning::ln::PaymentHash(unsafe { *payment_hash })) } -/// Provides a payment preimage in response to a PaymentReceived event, returning true and -/// generating message events for the net layer to claim the payment, if possible. Thus, you -/// should probably kick the net layer to go send messages if this returns true! +/// Provides a payment preimage in response to [`Event::PaymentReceived`], generating any +/// [`MessageSendEvent`]s needed to claim the payment. +/// +/// Note that calling this method does *not* guarantee that the payment has been claimed. You +/// *must* wait for an [`Event::PaymentClaimed`] event which upon a successful claim will be +/// provided to your [`EventHandler`] when [`process_pending_events`] is next called. /// /// Note that if you did not set an `amount_msat` when calling [`create_inbound_payment`] or /// [`create_inbound_payment_for_hash`] you must check that the amount in the `PaymentReceived` /// event matches your expectation. If you fail to do so and call this method, you may provide /// the sender \"proof-of-payment\" when they did not fulfill the full expected payment. /// -/// May panic if called except in response to a PaymentReceived event. -/// +/// [`Event::PaymentReceived`]: crate::util::events::Event::PaymentReceived +/// [`Event::PaymentClaimed`]: crate::util::events::Event::PaymentClaimed +/// [`process_pending_events`]: EventsProvider::process_pending_events /// [`create_inbound_payment`]: Self::create_inbound_payment /// [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash -#[must_use] +/// [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events #[no_mangle] -pub extern "C" fn ChannelManager_claim_funds(this_arg: &ChannelManager, mut payment_preimage: crate::c_types::ThirtyTwoBytes) -> bool { - let mut ret = unsafe { &*this_arg.inner }.claim_funds(::lightning::ln::PaymentPreimage(payment_preimage.data)); - ret +pub extern "C" fn ChannelManager_claim_funds(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut payment_preimage: crate::c_types::ThirtyTwoBytes) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.claim_funds(::lightning::ln::PaymentPreimage(payment_preimage.data)) } /// Gets the node_id held by this ChannelManager #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_get_our_node_id(this_arg: &ChannelManager) -> crate::c_types::PublicKey { - let mut ret = unsafe { &*this_arg.inner }.get_our_node_id(); +pub extern "C" fn ChannelManager_get_our_node_id(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::c_types::PublicKey { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_our_node_id(); crate::c_types::PublicKey::from_rust(&ret) } -/// Restores a single, given channel to normal operation after a -/// ChannelMonitorUpdateErr::TemporaryFailure was returned from a channel monitor update -/// operation. +/// Accepts a request to open a channel after a [`Event::OpenChannelRequest`]. +/// +/// The `temporary_channel_id` parameter indicates which inbound channel should be accepted, +/// and the `counterparty_node_id` parameter is the id of the peer which has requested to open +/// the channel. +/// +/// The `user_channel_id` parameter will be provided back in +/// [`Event::ChannelClosed::user_channel_id`] to allow tracking of which events correspond +/// with which `accept_inbound_channel`/`accept_inbound_channel_from_trusted_peer_0conf` call. +/// +/// Note that this method will return an error and reject the channel, if it requires support +/// for zero confirmations. Instead, `accept_inbound_channel_from_trusted_peer_0conf` must be +/// used to accept such channels. +/// +/// [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest +/// [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_accept_inbound_channel(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, temporary_channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey, mut user_channel_id: u64) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.accept_inbound_channel(unsafe { &*temporary_channel_id}, &counterparty_node_id.into_rust(), user_channel_id); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret +} + +/// Accepts a request to open a channel after a [`events::Event::OpenChannelRequest`], treating +/// it as confirmed immediately. +/// +/// The `user_channel_id` parameter will be provided back in +/// [`Event::ChannelClosed::user_channel_id`] to allow tracking of which events correspond +/// with which `accept_inbound_channel`/`accept_inbound_channel_from_trusted_peer_0conf` call. /// -/// All ChannelMonitor updates up to and including highest_applied_update_id must have been -/// fully committed in every copy of the given channels' ChannelMonitors. +/// Unlike [`ChannelManager::accept_inbound_channel`], this method accepts the incoming channel +/// and (if the counterparty agrees), enables forwarding of payments immediately. /// -/// Note that there is no effect to calling with a highest_applied_update_id other than the -/// current latest ChannelMonitorUpdate and one call to this function after multiple -/// ChannelMonitorUpdateErr::TemporaryFailures is fine. The highest_applied_update_id field -/// exists largely only to prevent races between this and concurrent update_monitor calls. +/// This fully trusts that the counterparty has honestly and correctly constructed the funding +/// transaction and blindly assumes that it will eventually confirm. /// -/// Thus, the anticipated use is, at a high level: -/// 1) You register a chain::Watch with this ChannelManager, -/// 2) it stores each update to disk, and begins updating any remote (eg watchtower) copies of -/// said ChannelMonitors as it can, returning ChannelMonitorUpdateErr::TemporaryFailures -/// any time it cannot do so instantly, -/// 3) update(s) are applied to each remote copy of a ChannelMonitor, -/// 4) once all remote copies are updated, you call this function with the update_id that -/// completed, and once it is the latest the Channel will be re-enabled. +/// If it does not confirm before we decide to close the channel, or if the funding transaction +/// does not pay to the correct script the correct amount, *you will lose funds*. +/// +/// [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest +/// [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id +#[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_channel_monitor_updated(this_arg: &ChannelManager, funding_txo: &crate::lightning::chain::transaction::OutPoint, mut highest_applied_update_id: u64) { - unsafe { &*this_arg.inner }.channel_monitor_updated(unsafe { &*funding_txo.inner }, highest_applied_update_id) +pub extern "C" fn ChannelManager_accept_inbound_channel_from_trusted_peer_0conf(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, temporary_channel_id: *const [u8; 32], mut counterparty_node_id: crate::c_types::PublicKey, mut user_channel_id: u64) -> crate::c_types::derived::CResult_NoneAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.accept_inbound_channel_from_trusted_peer_0conf(unsafe { &*temporary_channel_id}, &counterparty_node_id.into_rust(), user_channel_id); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret } /// Gets a payment secret and payment hash for use in an invoice given to a third party wishing /// to pay us. /// /// This differs from [`create_inbound_payment_for_hash`] only in that it generates the -/// [`PaymentHash`] and [`PaymentPreimage`] for you, returning the first and storing the second. +/// [`PaymentHash`] and [`PaymentPreimage`] for you. /// /// The [`PaymentPreimage`] will ultimately be returned to you in the [`PaymentReceived`], which /// will have the [`PaymentReceived::payment_preimage`] field filled in. That should then be @@ -1053,16 +2037,44 @@ pub extern "C" fn ChannelManager_channel_monitor_updated(this_arg: &ChannelManag /// /// See [`create_inbound_payment_for_hash`] for detailed documentation on behavior and requirements. /// +/// Note that a malicious eavesdropper can intuit whether an inbound payment was created by +/// `create_inbound_payment` or `create_inbound_payment_for_hash` based on runtime. +/// +/// # Note +/// +/// If you register an inbound payment with this method, then serialize the `ChannelManager`, then +/// deserialize it with a node running 0.0.103 and earlier, the payment will fail to be received. +/// +/// Errors if `min_value_msat` is greater than total bitcoin supply. +/// /// [`claim_funds`]: Self::claim_funds /// [`PaymentReceived`]: events::Event::PaymentReceived /// [`PaymentReceived::payment_preimage`]: events::Event::PaymentReceived::payment_preimage /// [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_create_inbound_payment(this_arg: &ChannelManager, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32, mut user_payment_id: u64) -> crate::c_types::derived::C2Tuple_PaymentHashPaymentSecretZ { +pub extern "C" fn ChannelManager_create_inbound_payment(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32) -> crate::c_types::derived::CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ { let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None }; - let mut ret = unsafe { &*this_arg.inner }.create_inbound_payment(local_min_value_msat, invoice_expiry_delta_secs, user_payment_id); - let (mut orig_ret_0, mut orig_ret_1) = ret; let mut local_ret = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_1.0 }).into(); + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.create_inbound_payment(local_min_value_msat, invoice_expiry_delta_secs); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_0_1.0 }).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +/// Legacy version of [`create_inbound_payment`]. Use this method if you wish to share +/// serialized state with LDK node(s) running 0.0.103 and earlier. +/// +/// May panic if `invoice_expiry_delta_secs` is greater than one year. +/// +/// # Note +/// This method is deprecated and will be removed soon. +/// +/// [`create_inbound_payment`]: Self::create_inbound_payment +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_create_inbound_payment_legacy(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32) -> crate::c_types::derived::CResult_C2Tuple_PaymentHashPaymentSecretZAPIErrorZ { + let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.create_inbound_payment_legacy(local_min_value_msat, invoice_expiry_delta_secs); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_0_1.0 }).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } @@ -1073,14 +2085,9 @@ pub extern "C" fn ChannelManager_create_inbound_payment(this_arg: &ChannelManage /// payment secret fetched via this method or [`create_inbound_payment`], and which is at least /// the `min_value_msat` provided here, if one is provided. /// -/// The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) must be globally unique. This -/// method may return an Err if another payment with the same payment_hash is still pending. -/// -/// `user_payment_id` will be provided back in [`PaymentReceived::user_payment_id`] events to -/// allow tracking of which events correspond with which calls to this and -/// [`create_inbound_payment`]. `user_payment_id` has no meaning inside of LDK, it is simply -/// copied to events and otherwise ignored. It may be used to correlate PaymentReceived events -/// with invoice metadata stored elsewhere. +/// The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) should be globally unique, though +/// note that LDK will not stop you from registering duplicate payment hashes for inbound +/// payments. /// /// `min_value_msat` should be set if the invoice being generated contains a value. Any payment /// received for the returned [`PaymentHash`] will be required to be at least `min_value_msat` @@ -1099,33 +2106,87 @@ pub extern "C" fn ChannelManager_create_inbound_payment(this_arg: &ChannelManage /// If you need exact expiry semantics, you should enforce them upon receipt of /// [`PaymentReceived`]. /// -/// Pending inbound payments are stored in memory and in serialized versions of this -/// [`ChannelManager`]. If potentially unbounded numbers of inbound payments may exist and -/// space is limited, you may wish to rate-limit inbound payment creation. -/// -/// May panic if `invoice_expiry_delta_secs` is greater than one year. -/// /// Note that invoices generated for inbound payments should have their `min_final_cltv_expiry` /// set to at least [`MIN_FINAL_CLTV_EXPIRY`]. /// +/// Note that a malicious eavesdropper can intuit whether an inbound payment was created by +/// `create_inbound_payment` or `create_inbound_payment_for_hash` based on runtime. +/// +/// # Note +/// +/// If you register an inbound payment with this method, then serialize the `ChannelManager`, then +/// deserialize it with a node running 0.0.103 and earlier, the payment will fail to be received. +/// +/// Errors if `min_value_msat` is greater than total bitcoin supply. +/// /// [`create_inbound_payment`]: Self::create_inbound_payment /// [`PaymentReceived`]: events::Event::PaymentReceived -/// [`PaymentReceived::user_payment_id`]: events::Event::PaymentReceived::user_payment_id #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_create_inbound_payment_for_hash(this_arg: &ChannelManager, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32, mut user_payment_id: u64) -> crate::c_types::derived::CResult_PaymentSecretAPIErrorZ { +pub extern "C" fn ChannelManager_create_inbound_payment_for_hash(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32) -> crate::c_types::derived::CResult_PaymentSecretNoneZ { + let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None }; + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.create_inbound_payment_for_hash(::lightning::ln::PaymentHash(payment_hash.data), local_min_value_msat, invoice_expiry_delta_secs); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.0 } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret +} + +/// Legacy version of [`create_inbound_payment_for_hash`]. Use this method if you wish to share +/// serialized state with LDK node(s) running 0.0.103 and earlier. +/// +/// May panic if `invoice_expiry_delta_secs` is greater than one year. +/// +/// # Note +/// This method is deprecated and will be removed soon. +/// +/// [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_create_inbound_payment_for_hash_legacy(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32) -> crate::c_types::derived::CResult_PaymentSecretAPIErrorZ { let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None }; - let mut ret = unsafe { &*this_arg.inner }.create_inbound_payment_for_hash(::lightning::ln::PaymentHash(payment_hash.data), local_min_value_msat, invoice_expiry_delta_secs, user_payment_id); + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.create_inbound_payment_for_hash_legacy(::lightning::ln::PaymentHash(payment_hash.data), local_min_value_msat, invoice_expiry_delta_secs); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.0 } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; + local_ret +} + +/// Gets an LDK-generated payment preimage from a payment hash and payment secret that were +/// previously returned from [`create_inbound_payment`]. +/// +/// [`create_inbound_payment`]: Self::create_inbound_payment +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_get_payment_preimage(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut payment_secret: crate::c_types::ThirtyTwoBytes) -> crate::c_types::derived::CResult_PaymentPreimageAPIErrorZ { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_payment_preimage(::lightning::ln::PaymentHash(payment_hash.data), ::lightning::ln::PaymentSecret(payment_secret.data)); let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.0 } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::util::errors::APIError::native_into(e) }).into() }; local_ret } +/// Gets a fake short channel id for use in receiving [phantom node payments]. These fake scids +/// are used when constructing the phantom invoice's route hints. +/// +/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_get_phantom_scid(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> u64 { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_phantom_scid(); + ret +} + +/// Gets route hints for use in receiving [phantom node payments]. +/// +/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_get_phantom_route_hints(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::lightning::ln::channelmanager::PhantomRouteHints { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_phantom_route_hints(); + crate::lightning::ln::channelmanager::PhantomRouteHints { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + impl From for crate::lightning::util::events::MessageSendEventsProvider { fn from(obj: nativeChannelManager) -> Self { - let mut rust_obj = ChannelManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut rust_obj = ChannelManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; let mut ret = ChannelManager_as_MessageSendEventsProvider(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(ChannelManager_free_void); ret } @@ -1135,7 +2196,7 @@ impl From for crate::lightning::util::events::MessageSendE #[no_mangle] pub extern "C" fn ChannelManager_as_MessageSendEventsProvider(this_arg: &ChannelManager) -> crate::lightning::util::events::MessageSendEventsProvider { crate::lightning::util::events::MessageSendEventsProvider { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, get_and_clear_pending_msg_events: ChannelManager_MessageSendEventsProvider_get_and_clear_pending_msg_events, } @@ -1150,10 +2211,10 @@ extern "C" fn ChannelManager_MessageSendEventsProvider_get_and_clear_pending_msg impl From for crate::lightning::util::events::EventsProvider { fn from(obj: nativeChannelManager) -> Self { - let mut rust_obj = ChannelManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut rust_obj = ChannelManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; let mut ret = ChannelManager_as_EventsProvider(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(ChannelManager_free_void); ret } @@ -1163,7 +2224,7 @@ impl From for crate::lightning::util::events::EventsProvid #[no_mangle] pub extern "C" fn ChannelManager_as_EventsProvider(this_arg: &ChannelManager) -> crate::lightning::util::events::EventsProvider { crate::lightning::util::events::EventsProvider { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, process_pending_events: ChannelManager_EventsProvider_process_pending_events, } @@ -1175,10 +2236,10 @@ extern "C" fn ChannelManager_EventsProvider_process_pending_events(this_arg: *co impl From for crate::lightning::chain::Listen { fn from(obj: nativeChannelManager) -> Self { - let mut rust_obj = ChannelManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut rust_obj = ChannelManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; let mut ret = ChannelManager_as_Listen(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(ChannelManager_free_void); ret } @@ -1188,13 +2249,18 @@ impl From for crate::lightning::chain::Listen { #[no_mangle] pub extern "C" fn ChannelManager_as_Listen(this_arg: &ChannelManager) -> crate::lightning::chain::Listen { crate::lightning::chain::Listen { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, + filtered_block_connected: ChannelManager_Listen_filtered_block_connected, block_connected: ChannelManager_Listen_block_connected, block_disconnected: ChannelManager_Listen_block_disconnected, } } +extern "C" fn ChannelManager_Listen_filtered_block_connected(this_arg: *const c_void, header: *const [u8; 80], mut txdata: crate::c_types::derived::CVec_C2Tuple_usizeTransactionZZ, mut height: u32) { + let mut local_txdata = Vec::new(); for mut item in txdata.into_rust().drain(..) { local_txdata.push( { let (mut orig_txdata_0_0, mut orig_txdata_0_1) = item.to_rust(); let mut local_txdata_0 = (orig_txdata_0_0, orig_txdata_0_1.into_bitcoin()); local_txdata_0 }); }; + >::filtered_block_connected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::consensus::encode::deserialize(unsafe { &*header }).unwrap(), &local_txdata.iter().map(|(a, b)| (*a, b)).collect::>()[..], height) +} extern "C" fn ChannelManager_Listen_block_connected(this_arg: *const c_void, mut block: crate::c_types::u8slice, mut height: u32) { >::block_connected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::consensus::encode::deserialize(block.to_slice()).unwrap(), height) } @@ -1204,10 +2270,10 @@ extern "C" fn ChannelManager_Listen_block_disconnected(this_arg: *const c_void, impl From for crate::lightning::chain::Confirm { fn from(obj: nativeChannelManager) -> Self { - let mut rust_obj = ChannelManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut rust_obj = ChannelManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; let mut ret = ChannelManager_as_Confirm(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(ChannelManager_free_void); ret } @@ -1217,7 +2283,7 @@ impl From for crate::lightning::chain::Confirm { #[no_mangle] pub extern "C" fn ChannelManager_as_Confirm(this_arg: &ChannelManager) -> crate::lightning::chain::Confirm { crate::lightning::chain::Confirm { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, transactions_confirmed: ChannelManager_Confirm_transactions_confirmed, transaction_unconfirmed: ChannelManager_Confirm_transaction_unconfirmed, @@ -1230,6 +2296,9 @@ extern "C" fn ChannelManager_Confirm_transactions_confirmed(this_arg: *const c_v let mut local_txdata = Vec::new(); for mut item in txdata.into_rust().drain(..) { local_txdata.push( { let (mut orig_txdata_0_0, mut orig_txdata_0_1) = item.to_rust(); let mut local_txdata_0 = (orig_txdata_0_0, orig_txdata_0_1.into_bitcoin()); local_txdata_0 }); }; >::transactions_confirmed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::consensus::encode::deserialize(unsafe { &*header }).unwrap(), &local_txdata.iter().map(|(a, b)| (*a, b)).collect::>()[..], height) } +extern "C" fn ChannelManager_Confirm_transaction_unconfirmed(this_arg: *const c_void, txid: *const [u8; 32]) { + >::transaction_unconfirmed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::hash_types::Txid::from_slice(&unsafe { &*txid }[..]).unwrap()) +} extern "C" fn ChannelManager_Confirm_best_block_updated(this_arg: *const c_void, header: *const [u8; 80], mut height: u32) { >::best_block_updated(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::consensus::encode::deserialize(unsafe { &*header }).unwrap(), height) } @@ -1239,19 +2308,17 @@ extern "C" fn ChannelManager_Confirm_get_relevant_txids(this_arg: *const c_void) let mut local_ret = Vec::new(); for mut item in ret.drain(..) { local_ret.push( { crate::c_types::ThirtyTwoBytes { data: item.into_inner() } }); }; local_ret.into() } -extern "C" fn ChannelManager_Confirm_transaction_unconfirmed(this_arg: *const c_void, txid: *const [u8; 32]) { - >::transaction_unconfirmed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &::bitcoin::hash_types::Txid::from_slice(&unsafe { &*txid }[..]).unwrap()) -} /// Blocks until ChannelManager needs to be persisted or a timeout is reached. It returns a bool /// indicating whether persistence is necessary. Only one listener on /// `await_persistable_update` or `await_persistable_update_timeout` is guaranteed to be woken /// up. -/// Note that the feature `allow_wallclock_use` must be enabled to use this function. +/// +/// Note that this method is not available with the `no-std` feature. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManager_await_persistable_update_timeout(this_arg: &ChannelManager, mut max_wait: u64) -> bool { - let mut ret = unsafe { &*this_arg.inner }.await_persistable_update_timeout(std::time::Duration::from_secs(max_wait)); +pub extern "C" fn ChannelManager_await_persistable_update_timeout(this_arg: &crate::lightning::ln::channelmanager::ChannelManager, mut max_wait: u64) -> bool { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.await_persistable_update_timeout(core::time::Duration::from_secs(max_wait)); ret } @@ -1259,16 +2326,35 @@ pub extern "C" fn ChannelManager_await_persistable_update_timeout(this_arg: &Cha /// `await_persistable_update` or `await_persistable_update_timeout` is guaranteed to be woken /// up. #[no_mangle] -pub extern "C" fn ChannelManager_await_persistable_update(this_arg: &ChannelManager) { - unsafe { &*this_arg.inner }.await_persistable_update() +pub extern "C" fn ChannelManager_await_persistable_update(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) { + unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.await_persistable_update() +} + +/// Gets a [`Future`] that completes when a persistable update is available. Note that +/// callbacks registered on the [`Future`] MUST NOT call back into this [`ChannelManager`] and +/// should instead register actions to be taken later. +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_get_persistable_update_future(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::lightning::util::wakers::Future { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.get_persistable_update_future(); + crate::lightning::util::wakers::Future { inner: ObjOps::heap_alloc(ret), is_owned: true } +} + +/// Gets the latest best block which was connected either via the [`chain::Listen`] or +/// [`chain::Confirm`] interfaces. +#[must_use] +#[no_mangle] +pub extern "C" fn ChannelManager_current_best_block(this_arg: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::lightning::chain::BestBlock { + let mut ret = unsafe { &*ObjOps::untweak_ptr(this_arg.inner) }.current_best_block(); + crate::lightning::chain::BestBlock { inner: ObjOps::heap_alloc(ret), is_owned: true } } impl From for crate::lightning::ln::msgs::ChannelMessageHandler { fn from(obj: nativeChannelManager) -> Self { - let mut rust_obj = ChannelManager { inner: Box::into_raw(Box::new(obj)), is_owned: true }; + let mut rust_obj = ChannelManager { inner: ObjOps::heap_alloc(obj), is_owned: true }; let mut ret = ChannelManager_as_ChannelMessageHandler(&rust_obj); // We want to free rust_obj when ret gets drop()'d, not rust_obj, so wipe rust_obj's pointer and set ret's free() fn - rust_obj.inner = std::ptr::null_mut(); + rust_obj.inner = core::ptr::null_mut(); ret.free = Some(ChannelManager_free_void); ret } @@ -1278,13 +2364,13 @@ impl From for crate::lightning::ln::msgs::ChannelMessageHa #[no_mangle] pub extern "C" fn ChannelManager_as_ChannelMessageHandler(this_arg: &ChannelManager) -> crate::lightning::ln::msgs::ChannelMessageHandler { crate::lightning::ln::msgs::ChannelMessageHandler { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, handle_open_channel: ChannelManager_ChannelMessageHandler_handle_open_channel, handle_accept_channel: ChannelManager_ChannelMessageHandler_handle_accept_channel, handle_funding_created: ChannelManager_ChannelMessageHandler_handle_funding_created, handle_funding_signed: ChannelManager_ChannelMessageHandler_handle_funding_signed, - handle_funding_locked: ChannelManager_ChannelMessageHandler_handle_funding_locked, + handle_channel_ready: ChannelManager_ChannelMessageHandler_handle_channel_ready, handle_shutdown: ChannelManager_ChannelMessageHandler_handle_shutdown, handle_closing_signed: ChannelManager_ChannelMessageHandler_handle_closing_signed, handle_update_add_htlc: ChannelManager_ChannelMessageHandler_handle_update_add_htlc, @@ -1300,79 +2386,182 @@ pub extern "C" fn ChannelManager_as_ChannelMessageHandler(this_arg: &ChannelMana handle_channel_reestablish: ChannelManager_ChannelMessageHandler_handle_channel_reestablish, handle_channel_update: ChannelManager_ChannelMessageHandler_handle_channel_update, handle_error: ChannelManager_ChannelMessageHandler_handle_error, + provided_node_features: ChannelManager_ChannelMessageHandler_provided_node_features, + provided_init_features: ChannelManager_ChannelMessageHandler_provided_init_features, MessageSendEventsProvider: crate::lightning::util::events::MessageSendEventsProvider { - this_arg: unsafe { (*this_arg).inner as *mut c_void }, + this_arg: unsafe { ObjOps::untweak_ptr((*this_arg).inner) as *mut c_void }, free: None, get_and_clear_pending_msg_events: ChannelManager_MessageSendEventsProvider_get_and_clear_pending_msg_events, }, } } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_open_channel(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, mut their_features: crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::OpenChannel) { - >::handle_open_channel(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_inner()) }, unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_open_channel(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, mut their_features: crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::OpenChannel) { + >::handle_open_channel(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_inner()) }, msg.get_native_ref()) +} +extern "C" fn ChannelManager_ChannelMessageHandler_handle_accept_channel(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, mut their_features: crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::AcceptChannel) { + >::handle_accept_channel(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_inner()) }, msg.get_native_ref()) +} +extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_created(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::FundingCreated) { + >::handle_funding_created(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_accept_channel(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, mut their_features: crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::AcceptChannel) { - >::handle_accept_channel(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), *unsafe { Box::from_raw(their_features.take_inner()) }, unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_signed(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::FundingSigned) { + >::handle_funding_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_created(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::FundingCreated) { - >::handle_funding_created(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_ready(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ChannelReady) { + >::handle_channel_ready(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_signed(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::FundingSigned) { - >::handle_funding_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_shutdown(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, their_features: &crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::Shutdown) { + >::handle_shutdown(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), their_features.get_native_ref(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_funding_locked(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::FundingLocked) { - >::handle_funding_locked(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_closing_signed(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ClosingSigned) { + >::handle_closing_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_shutdown(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, their_features: &crate::lightning::ln::features::InitFeatures, msg: &crate::lightning::ln::msgs::Shutdown) { - >::handle_shutdown(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*their_features.inner }, unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_add_htlc(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateAddHTLC) { + >::handle_update_add_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_closing_signed(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ClosingSigned) { - >::handle_closing_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fulfill_htlc(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFulfillHTLC) { + >::handle_update_fulfill_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_add_htlc(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateAddHTLC) { - >::handle_update_add_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_htlc(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFailHTLC) { + >::handle_update_fail_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fulfill_htlc(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFulfillHTLC) { - >::handle_update_fulfill_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_malformed_htlc(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFailMalformedHTLC) { + >::handle_update_fail_malformed_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_htlc(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFailHTLC) { - >::handle_update_fail_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_commitment_signed(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::CommitmentSigned) { + >::handle_commitment_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fail_malformed_htlc(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFailMalformedHTLC) { - >::handle_update_fail_malformed_htlc(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_revoke_and_ack(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::RevokeAndACK) { + >::handle_revoke_and_ack(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_commitment_signed(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::CommitmentSigned) { - >::handle_commitment_signed(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fee(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFee) { + >::handle_update_fee(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) +} +extern "C" fn ChannelManager_ChannelMessageHandler_handle_announcement_signatures(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::AnnouncementSignatures) { + >::handle_announcement_signatures(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) +} +extern "C" fn ChannelManager_ChannelMessageHandler_peer_disconnected(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, mut no_connection_possible: bool) { + >::peer_disconnected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), no_connection_possible) +} +#[must_use] +extern "C" fn ChannelManager_ChannelMessageHandler_peer_connected(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::Init) -> crate::c_types::derived::CResult_NoneNoneZ { + let mut ret = >::peer_connected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()); + let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { () /*o*/ }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; + local_ret } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_revoke_and_ack(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::RevokeAndACK) { - >::handle_revoke_and_ack(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_reestablish(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ChannelReestablish) { + >::handle_channel_reestablish(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_update_fee(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::UpdateFee) { - >::handle_update_fee(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_update(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ChannelUpdate) { + >::handle_channel_update(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_announcement_signatures(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::AnnouncementSignatures) { - >::handle_announcement_signatures(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +extern "C" fn ChannelManager_ChannelMessageHandler_handle_error(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ErrorMessage) { + >::handle_error(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust(), msg.get_native_ref()) } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_update(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ChannelUpdate) { - >::handle_channel_update(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +#[must_use] +extern "C" fn ChannelManager_ChannelMessageHandler_provided_node_features(this_arg: *const c_void) -> crate::lightning::ln::features::NodeFeatures { + let mut ret = >::provided_node_features(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, ); + crate::lightning::ln::features::NodeFeatures { inner: ObjOps::heap_alloc(ret), is_owned: true } } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_channel_reestablish(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ChannelReestablish) { - >::handle_channel_reestablish(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) +#[must_use] +extern "C" fn ChannelManager_ChannelMessageHandler_provided_init_features(this_arg: *const c_void, mut their_node_id: crate::c_types::PublicKey) -> crate::lightning::ln::features::InitFeatures { + let mut ret = >::provided_init_features(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &their_node_id.into_rust()); + crate::lightning::ln::features::InitFeatures { inner: ObjOps::heap_alloc(ret), is_owned: true } } -extern "C" fn ChannelManager_ChannelMessageHandler_peer_disconnected(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, mut no_connection_possible: bool) { - >::peer_disconnected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), no_connection_possible) + +/// Fetches the set of [`NodeFeatures`] flags which are provided by or required by +/// [`ChannelManager`]. +#[no_mangle] +pub extern "C" fn provided_node_features() -> crate::lightning::ln::features::NodeFeatures { + let mut ret = lightning::ln::channelmanager::provided_node_features(); + crate::lightning::ln::features::NodeFeatures { inner: ObjOps::heap_alloc(ret), is_owned: true } } -extern "C" fn ChannelManager_ChannelMessageHandler_peer_connected(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, init_msg: &crate::lightning::ln::msgs::Init) { - >::peer_connected(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*init_msg.inner }) + +/// Fetches the set of [`ChannelFeatures`] flags which are provided by or required by +/// [`ChannelManager`]. +#[no_mangle] +pub extern "C" fn provided_channel_features() -> crate::lightning::ln::features::ChannelFeatures { + let mut ret = lightning::ln::channelmanager::provided_channel_features(); + crate::lightning::ln::features::ChannelFeatures { inner: ObjOps::heap_alloc(ret), is_owned: true } } -extern "C" fn ChannelManager_ChannelMessageHandler_handle_error(this_arg: *const c_void, mut counterparty_node_id: crate::c_types::PublicKey, msg: &crate::lightning::ln::msgs::ErrorMessage) { - >::handle_error(unsafe { &mut *(this_arg as *mut nativeChannelManager) }, &counterparty_node_id.into_rust(), unsafe { &*msg.inner }) + +/// Fetches the set of [`InitFeatures`] flags which are provided by or required by +/// [`ChannelManager`]. +#[no_mangle] +pub extern "C" fn provided_init_features() -> crate::lightning::ln::features::InitFeatures { + let mut ret = lightning::ln::channelmanager::provided_init_features(); + crate::lightning::ln::features::InitFeatures { inner: ObjOps::heap_alloc(ret), is_owned: true } } +#[no_mangle] +/// Serialize the CounterpartyForwardingInfo object into a byte array which can be read by CounterpartyForwardingInfo_read +pub extern "C" fn CounterpartyForwardingInfo_write(obj: &crate::lightning::ln::channelmanager::CounterpartyForwardingInfo) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn CounterpartyForwardingInfo_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeCounterpartyForwardingInfo) }) +} +#[no_mangle] +/// Read a CounterpartyForwardingInfo from a byte array, created by CounterpartyForwardingInfo_write +pub extern "C" fn CounterpartyForwardingInfo_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_CounterpartyForwardingInfoDecodeErrorZ { + 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::ln::channelmanager::CounterpartyForwardingInfo { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} +#[no_mangle] +/// Serialize the ChannelCounterparty object into a byte array which can be read by ChannelCounterparty_read +pub extern "C" fn ChannelCounterparty_write(obj: &crate::lightning::ln::channelmanager::ChannelCounterparty) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn ChannelCounterparty_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelCounterparty) }) +} +#[no_mangle] +/// Read a ChannelCounterparty from a byte array, created by ChannelCounterparty_write +pub extern "C" fn ChannelCounterparty_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChannelCounterpartyDecodeErrorZ { + 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::ln::channelmanager::ChannelCounterparty { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} +#[no_mangle] +/// Serialize the ChannelDetails object into a byte array which can be read by ChannelDetails_read +pub extern "C" fn ChannelDetails_write(obj: &crate::lightning::ln::channelmanager::ChannelDetails) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn ChannelDetails_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelDetails) }) +} +#[no_mangle] +/// Read a ChannelDetails from a byte array, created by ChannelDetails_write +pub extern "C" fn ChannelDetails_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChannelDetailsDecodeErrorZ { + 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::ln::channelmanager::ChannelDetails { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} +#[no_mangle] +/// Serialize the PhantomRouteHints object into a byte array which can be read by PhantomRouteHints_read +pub extern "C" fn PhantomRouteHints_write(obj: &crate::lightning::ln::channelmanager::PhantomRouteHints) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) +} +#[no_mangle] +pub(crate) extern "C" fn PhantomRouteHints_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*(obj as *const nativePhantomRouteHints) }) +} +#[no_mangle] +/// Read a PhantomRouteHints from a byte array, created by PhantomRouteHints_write +pub extern "C" fn PhantomRouteHints_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_PhantomRouteHintsDecodeErrorZ { + 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::ln::channelmanager::PhantomRouteHints { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; + local_res +} #[no_mangle] /// Serialize the ChannelManager object into a byte array which can be read by ChannelManager_read -pub extern "C" fn ChannelManager_write(obj: &ChannelManager) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*unsafe { &*obj }.inner }) +pub extern "C" fn ChannelManager_write(obj: &crate::lightning::ln::channelmanager::ChannelManager) -> crate::c_types::derived::CVec_u8Z { + crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) } #[no_mangle] pub(crate) extern "C" fn ChannelManager_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { @@ -1380,26 +2569,31 @@ pub(crate) extern "C" fn ChannelManager_write_void(obj: *const c_void) -> crate: } use lightning::ln::channelmanager::ChannelManagerReadArgs as nativeChannelManagerReadArgsImport; -type nativeChannelManagerReadArgs = nativeChannelManagerReadArgsImport<'static, crate::lightning::chain::keysinterface::Sign, crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::KeysInterface, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::util::logger::Logger>; +pub(crate) type nativeChannelManagerReadArgs = nativeChannelManagerReadArgsImport<'static, crate::lightning::chain::keysinterface::Sign, crate::lightning::chain::Watch, crate::lightning::chain::chaininterface::BroadcasterInterface, crate::lightning::chain::keysinterface::KeysInterface, crate::lightning::chain::chaininterface::FeeEstimator, crate::lightning::util::logger::Logger>; /// Arguments for the creation of a ChannelManager that are not deserialized. /// /// At a high-level, the process for deserializing a ChannelManager and resuming normal operation /// is: -/// 1) Deserialize all stored ChannelMonitors. -/// 2) Deserialize the ChannelManager by filling in this struct and calling: -/// <(BlockHash, ChannelManager)>::read(reader, args) -/// This may result in closing some Channels if the ChannelMonitor is newer than the stored -/// ChannelManager state to ensure no loss of funds. Thus, transactions may be broadcasted. -/// 3) If you are not fetching full blocks, register all relevant ChannelMonitor outpoints the same -/// way you would handle a `chain::Filter` call using ChannelMonitor::get_outputs_to_watch() and -/// ChannelMonitor::get_funding_txo(). -/// 4) Reconnect blocks on your ChannelMonitors. -/// 5) Disconnect/connect blocks on the ChannelManager. -/// 6) Move the ChannelMonitors into your local chain::Watch. -/// -/// Note that the ordering of #4-6 is not of importance, however all three must occur before you -/// call any other methods on the newly-deserialized ChannelManager. +/// 1) Deserialize all stored [`ChannelMonitor`]s. +/// 2) Deserialize the [`ChannelManager`] by filling in this struct and calling: +/// `<(BlockHash, ChannelManager)>::read(reader, args)` +/// This may result in closing some channels if the [`ChannelMonitor`] is newer than the stored +/// [`ChannelManager`] state to ensure no loss of funds. Thus, transactions may be broadcasted. +/// 3) If you are not fetching full blocks, register all relevant [`ChannelMonitor`] outpoints the +/// same way you would handle a [`chain::Filter`] call using +/// [`ChannelMonitor::get_outputs_to_watch`] and [`ChannelMonitor::get_funding_txo`]. +/// 4) Reconnect blocks on your [`ChannelMonitor`]s. +/// 5) Disconnect/connect blocks on the [`ChannelManager`]. +/// 6) Re-persist the [`ChannelMonitor`]s to ensure the latest state is on disk. +/// Note that if you're using a [`ChainMonitor`] for your [`chain::Watch`] implementation, you +/// will likely accomplish this as a side-effect of calling [`chain::Watch::watch_channel`] in +/// the next step. +/// 7) Move the [`ChannelMonitor`]s into your local [`chain::Watch`]. If you're using a +/// [`ChainMonitor`], this is done by calling [`chain::Watch::watch_channel`]. +/// +/// Note that the ordering of #4-7 is not of importance, however all four must occur before you +/// call any other methods on the newly-deserialized [`ChannelManager`]. /// /// Note that because some channels may be closed during deserialization, it is critical that you /// always deserialize only the latest version of a ChannelManager and ChannelMonitors available to @@ -1407,6 +2601,8 @@ type nativeChannelManagerReadArgs = nativeChannelManagerReadArgsImport<'static, /// broadcast), and then later deserialize a newer version of the same ChannelManager (which will /// not force-close the same channels but consider them live), you may end up revoking a state for /// which you've already broadcasted the transaction. +/// +/// [`ChainMonitor`]: crate::chain::chainmonitor::ChainMonitor #[must_use] #[repr(C)] pub struct ChannelManagerReadArgs { @@ -1425,7 +2621,7 @@ pub struct ChannelManagerReadArgs { impl Drop for ChannelManagerReadArgs { fn drop(&mut self) { if self.is_owned && !<*mut nativeChannelManagerReadArgs>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(self.inner) }; + let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; } } } @@ -1434,16 +2630,22 @@ impl Drop for ChannelManagerReadArgs { pub extern "C" fn ChannelManagerReadArgs_free(this_obj: ChannelManagerReadArgs) { } #[allow(unused)] /// Used only if an object of this type is returned as a trait impl by a method -extern "C" fn ChannelManagerReadArgs_free_void(this_ptr: *mut c_void) { +pub(crate) extern "C" fn ChannelManagerReadArgs_free_void(this_ptr: *mut c_void) { unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelManagerReadArgs); } } #[allow(unused)] -/// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy impl ChannelManagerReadArgs { + pub(crate) fn get_native_ref(&self) -> &'static nativeChannelManagerReadArgs { + unsafe { &*ObjOps::untweak_ptr(self.inner) } + } + pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelManagerReadArgs { + 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 nativeChannelManagerReadArgs { assert!(self.is_owned); - let ret = self.inner; - self.inner = std::ptr::null_mut(); + let ret = ObjOps::untweak_ptr(self.inner); + self.inner = core::ptr::null_mut(); ret } } @@ -1452,7 +2654,7 @@ impl ChannelManagerReadArgs { /// signing data. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_keys_manager(this_ptr: &ChannelManagerReadArgs) -> *const crate::lightning::chain::keysinterface::KeysInterface { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.keys_manager; + let mut inner_val = &mut this_ptr.get_native_mut_ref().keys_manager; inner_val } /// The keys provider which will give us relevant keys. Some keys will be loaded during @@ -1460,14 +2662,14 @@ pub extern "C" fn ChannelManagerReadArgs_get_keys_manager(this_ptr: &ChannelMana /// signing data. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_keys_manager(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::chain::keysinterface::KeysInterface) { - unsafe { &mut *this_ptr.inner }.keys_manager = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.keys_manager = val; } /// The fee_estimator for use in the ChannelManager in the future. /// /// No calls to the FeeEstimator will be made during deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_fee_estimator(this_ptr: &ChannelManagerReadArgs) -> *const crate::lightning::chain::chaininterface::FeeEstimator { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.fee_estimator; + let mut inner_val = &mut this_ptr.get_native_mut_ref().fee_estimator; inner_val } /// The fee_estimator for use in the ChannelManager in the future. @@ -1475,7 +2677,7 @@ pub extern "C" fn ChannelManagerReadArgs_get_fee_estimator(this_ptr: &ChannelMan /// No calls to the FeeEstimator will be made during deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_fee_estimator(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::chain::chaininterface::FeeEstimator) { - unsafe { &mut *this_ptr.inner }.fee_estimator = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.fee_estimator = val; } /// The chain::Watch for use in the ChannelManager in the future. /// @@ -1484,7 +2686,7 @@ pub extern "C" fn ChannelManagerReadArgs_set_fee_estimator(this_ptr: &mut Channe /// chain::Watch after deserializing this ChannelManager. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_chain_monitor(this_ptr: &ChannelManagerReadArgs) -> *const crate::lightning::chain::Watch { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.chain_monitor; + let mut inner_val = &mut this_ptr.get_native_mut_ref().chain_monitor; inner_val } /// The chain::Watch for use in the ChannelManager in the future. @@ -1494,14 +2696,14 @@ pub extern "C" fn ChannelManagerReadArgs_get_chain_monitor(this_ptr: &ChannelMan /// chain::Watch after deserializing this ChannelManager. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_chain_monitor(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::chain::Watch) { - unsafe { &mut *this_ptr.inner }.chain_monitor = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.chain_monitor = val; } /// The BroadcasterInterface which will be used in the ChannelManager in the future and may be /// used to broadcast the latest local commitment transactions of channels which must be /// force-closed during deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_tx_broadcaster(this_ptr: &ChannelManagerReadArgs) -> *const crate::lightning::chain::chaininterface::BroadcasterInterface { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.tx_broadcaster; + let mut inner_val = &mut this_ptr.get_native_mut_ref().tx_broadcaster; inner_val } /// The BroadcasterInterface which will be used in the ChannelManager in the future and may be @@ -1509,43 +2711,43 @@ pub extern "C" fn ChannelManagerReadArgs_get_tx_broadcaster(this_ptr: &ChannelMa /// force-closed during deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_tx_broadcaster(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::chain::chaininterface::BroadcasterInterface) { - unsafe { &mut *this_ptr.inner }.tx_broadcaster = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.tx_broadcaster = val; } /// The Logger for use in the ChannelManager and which may be used to log information during /// deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_logger(this_ptr: &ChannelManagerReadArgs) -> *const crate::lightning::util::logger::Logger { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.logger; + let mut inner_val = &mut this_ptr.get_native_mut_ref().logger; inner_val } /// The Logger for use in the ChannelManager and which may be used to log information during /// deserialization. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_logger(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::util::logger::Logger) { - unsafe { &mut *this_ptr.inner }.logger = val; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.logger = val; } /// Default settings used for new channels. Any existing channels will continue to use the /// runtime settings which were stored when the ChannelManager was serialized. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_get_default_config(this_ptr: &ChannelManagerReadArgs) -> crate::lightning::util::config::UserConfig { - let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.default_config; - crate::lightning::util::config::UserConfig { inner: unsafe { ( (&(*inner_val) as *const _) as *mut _) }, is_owned: false } + let mut inner_val = &mut this_ptr.get_native_mut_ref().default_config; + crate::lightning::util::config::UserConfig { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::util::config::UserConfig<>) as *mut _) }, is_owned: false } } /// Default settings used for new channels. Any existing channels will continue to use the /// runtime settings which were stored when the ChannelManager was serialized. #[no_mangle] pub extern "C" fn ChannelManagerReadArgs_set_default_config(this_ptr: &mut ChannelManagerReadArgs, mut val: crate::lightning::util::config::UserConfig) { - unsafe { &mut *this_ptr.inner }.default_config = *unsafe { Box::from_raw(val.take_inner()) }; + unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.default_config = *unsafe { Box::from_raw(val.take_inner()) }; } /// Simple utility function to create a ChannelManagerReadArgs which creates the monitor /// HashMap for you. This is primarily useful for C bindings where it is not practical to /// populate a HashMap directly from C. #[must_use] #[no_mangle] -pub extern "C" fn ChannelManagerReadArgs_new(mut keys_manager: crate::lightning::chain::keysinterface::KeysInterface, mut fee_estimator: crate::lightning::chain::chaininterface::FeeEstimator, mut chain_monitor: crate::lightning::chain::Watch, mut tx_broadcaster: crate::lightning::chain::chaininterface::BroadcasterInterface, mut logger: crate::lightning::util::logger::Logger, mut default_config: crate::lightning::util::config::UserConfig, mut channel_monitors: crate::c_types::derived::CVec_ChannelMonitorZ) -> ChannelManagerReadArgs { - let mut local_channel_monitors = Vec::new(); for mut item in channel_monitors.into_rust().drain(..) { local_channel_monitors.push( { unsafe { &mut *item.inner } }); }; +pub extern "C" fn ChannelManagerReadArgs_new(mut keys_manager: crate::lightning::chain::keysinterface::KeysInterface, mut fee_estimator: crate::lightning::chain::chaininterface::FeeEstimator, mut chain_monitor: crate::lightning::chain::Watch, mut tx_broadcaster: crate::lightning::chain::chaininterface::BroadcasterInterface, mut logger: crate::lightning::util::logger::Logger, mut default_config: crate::lightning::util::config::UserConfig, mut channel_monitors: crate::c_types::derived::CVec_ChannelMonitorZ) -> crate::lightning::ln::channelmanager::ChannelManagerReadArgs { + let mut local_channel_monitors = Vec::new(); for mut item in channel_monitors.into_rust().drain(..) { local_channel_monitors.push( { item.get_native_mut_ref() }); }; let mut ret = lightning::ln::channelmanager::ChannelManagerReadArgs::new(keys_manager, fee_estimator, chain_monitor, tx_broadcaster, logger, *unsafe { Box::from_raw(default_config.take_inner()) }, local_channel_monitors); - ChannelManagerReadArgs { inner: Box::into_raw(Box::new(ret)), is_owned: true } + crate::lightning::ln::channelmanager::ChannelManagerReadArgs { inner: ObjOps::heap_alloc(ret), is_owned: true } } #[no_mangle] @@ -1553,6 +2755,6 @@ pub extern "C" fn ChannelManagerReadArgs_new(mut keys_manager: crate::lightning: pub extern "C" fn C2Tuple_BlockHashChannelManagerZ_read(ser: crate::c_types::u8slice, arg: crate::lightning::ln::channelmanager::ChannelManagerReadArgs) -> crate::c_types::derived::CResult_C2Tuple_BlockHashChannelManagerZDecodeErrorZ { let arg_conv = *unsafe { Box::from_raw(arg.take_inner()) }; let res: Result<(bitcoin::hash_types::BlockHash, lightning::ln::channelmanager::ChannelManager), 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( { let (mut orig_res_0_0, mut orig_res_0_1) = o; let mut local_res_0 = (crate::c_types::ThirtyTwoBytes { data: orig_res_0_0.into_inner() }, crate::lightning::ln::channelmanager::ChannelManager { inner: Box::into_raw(Box::new(orig_res_0_1)), is_owned: true }).into(); local_res_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: Box::into_raw(Box::new(e)), is_owned: true } }).into() }; + let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_res_0_0, mut orig_res_0_1) = o; let mut local_res_0 = (crate::c_types::ThirtyTwoBytes { data: orig_res_0_0.into_inner() }, crate::lightning::ln::channelmanager::ChannelManager { inner: ObjOps::heap_alloc(orig_res_0_1), is_owned: true }).into(); local_res_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; local_res }