[ldk-c-bindings] / lightning-c-bindings / src / lightning / util / config.rs

// This file is Copyright its original authors, visible in version control
// history and in the source files from which this was generated.
//
// This file is licensed under the license available in the LICENSE or LICENSE.md
// file in the root of this repository or, if no such file exists, the same
// license as that which applies to the original source files from which this
// source was automatically generated.

//! Various user-configurable channel limits and settings which ChannelManager
//! applies for you.

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::util::config::ChannelHandshakeConfig as nativeChannelHandshakeConfigImport;
pub(crate) type nativeChannelHandshakeConfig = nativeChannelHandshakeConfigImport;

/// Configuration we set when applicable.
///
/// Default::default() provides sane defaults.
#[must_use]
#[repr(C)]
pub struct ChannelHandshakeConfig {
        /// 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 nativeChannelHandshakeConfig,
        /// 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 ChannelHandshakeConfig {
        fn drop(&mut self) {
                if self.is_owned && !<*mut nativeChannelHandshakeConfig>::is_null(self.inner) {
                        let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
                }
        }
}
/// Frees any resources used by the ChannelHandshakeConfig, if is_owned is set and inner is non-NULL.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_free(this_obj: ChannelHandshakeConfig) { }
#[allow(unused)]
/// Used only if an object of this type is returned as a trait impl by a method
pub(crate) extern "C" fn ChannelHandshakeConfig_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelHandshakeConfig); }
}
#[allow(unused)]
impl ChannelHandshakeConfig {
        pub(crate) fn get_native_ref(&self) -> &'static nativeChannelHandshakeConfig {
                unsafe { &*ObjOps::untweak_ptr(self.inner) }
        }
        pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelHandshakeConfig {
                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 nativeChannelHandshakeConfig {
                assert!(self.is_owned);
                let ret = ObjOps::untweak_ptr(self.inner);
                self.inner = core::ptr::null_mut();
                ret
        }
}
/// Confirmations we will wait for before considering the channel locked in.
/// Applied only for inbound channels (see ChannelHandshakeLimits::max_minimum_depth for the
/// equivalent limit applied to outbound channels).
///
/// A lower-bound of 1 is applied, requiring all channels to have a confirmed commitment
/// transaction before operation. If you wish to accept channels with zero confirmations, see
/// [`UserConfig::manually_accept_inbound_channels`] and
/// [`ChannelManager::accept_inbound_channel_from_trusted_peer_0conf`].
///
/// Default value: 6.
///
/// [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
/// [`ChannelManager::accept_inbound_channel_from_trusted_peer_0conf`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel_from_trusted_peer_0conf
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_minimum_depth(this_ptr: &ChannelHandshakeConfig) -> u32 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().minimum_depth;
        *inner_val
}
/// Confirmations we will wait for before considering the channel locked in.
/// Applied only for inbound channels (see ChannelHandshakeLimits::max_minimum_depth for the
/// equivalent limit applied to outbound channels).
///
/// A lower-bound of 1 is applied, requiring all channels to have a confirmed commitment
/// transaction before operation. If you wish to accept channels with zero confirmations, see
/// [`UserConfig::manually_accept_inbound_channels`] and
/// [`ChannelManager::accept_inbound_channel_from_trusted_peer_0conf`].
///
/// Default value: 6.
///
/// [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
/// [`ChannelManager::accept_inbound_channel_from_trusted_peer_0conf`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel_from_trusted_peer_0conf
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_minimum_depth(this_ptr: &mut ChannelHandshakeConfig, mut val: u32) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.minimum_depth = val;
}
/// Set to the number of blocks we require our counterparty to wait to claim their money (ie
/// the number of blocks we have to punish our counterparty if they broadcast a revoked
/// transaction).
///
/// This is one of the main parameters of our security model. We (or one of our watchtowers) MUST
/// be online to check for revoked transactions on-chain at least once every our_to_self_delay
/// blocks (minus some margin to allow us enough time to broadcast and confirm a transaction,
/// possibly with time in between to RBF the spending transaction).
///
/// Meanwhile, asking for a too high delay, we bother peer to freeze funds for nothing in
/// case of an honest unilateral channel close, which implicitly decrease the economic value of
/// our channel.
///
/// Default value: [`BREAKDOWN_TIMEOUT`], we enforce it as a minimum at channel opening so you
/// can tweak config to ask for more security, not less.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_our_to_self_delay(this_ptr: &ChannelHandshakeConfig) -> u16 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().our_to_self_delay;
        *inner_val
}
/// Set to the number of blocks we require our counterparty to wait to claim their money (ie
/// the number of blocks we have to punish our counterparty if they broadcast a revoked
/// transaction).
///
/// This is one of the main parameters of our security model. We (or one of our watchtowers) MUST
/// be online to check for revoked transactions on-chain at least once every our_to_self_delay
/// blocks (minus some margin to allow us enough time to broadcast and confirm a transaction,
/// possibly with time in between to RBF the spending transaction).
///
/// Meanwhile, asking for a too high delay, we bother peer to freeze funds for nothing in
/// case of an honest unilateral channel close, which implicitly decrease the economic value of
/// our channel.
///
/// Default value: [`BREAKDOWN_TIMEOUT`], we enforce it as a minimum at channel opening so you
/// can tweak config to ask for more security, not less.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_our_to_self_delay(this_ptr: &mut ChannelHandshakeConfig, mut val: u16) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.our_to_self_delay = val;
}
/// Set to the smallest value HTLC we will accept to process.
///
/// This value is sent to our counterparty on channel-open and we close the channel any time
/// our counterparty misbehaves by sending us an HTLC with a value smaller than this.
///
/// Default value: 1. If the value is less than 1, it is ignored and set to 1, as is required
/// by the protocol.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_our_htlc_minimum_msat(this_ptr: &ChannelHandshakeConfig) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().our_htlc_minimum_msat;
        *inner_val
}
/// Set to the smallest value HTLC we will accept to process.
///
/// This value is sent to our counterparty on channel-open and we close the channel any time
/// our counterparty misbehaves by sending us an HTLC with a value smaller than this.
///
/// Default value: 1. If the value is less than 1, it is ignored and set to 1, as is required
/// by the protocol.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_our_htlc_minimum_msat(this_ptr: &mut ChannelHandshakeConfig, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.our_htlc_minimum_msat = val;
}
/// Sets the percentage of the channel value we will cap the total value of outstanding inbound
/// HTLCs to.
///
/// This can be set to a value between 1-100, where the value corresponds to the percent of the
/// channel value in whole percentages.
///
/// Note that:
/// * If configured to another value than the default value 10, any new channels created with
/// the non default value will cause versions of LDK prior to 0.0.104 to refuse to read the
/// `ChannelManager`.
///
/// * This caps the total value for inbound HTLCs in-flight only, and there's currently
/// no way to configure the cap for the total value of outbound HTLCs in-flight.
///
/// * The requirements for your node being online to ensure the safety of HTLC-encumbered funds
/// are different from the non-HTLC-encumbered funds. This makes this an important knob to
/// restrict exposure to loss due to being offline for too long.
/// See [`ChannelHandshakeConfig::our_to_self_delay`] and [`ChannelConfig::cltv_expiry_delta`]
/// for more information.
///
/// Default value: 10.
/// Minimum value: 1, any values less than 1 will be treated as 1 instead.
/// Maximum value: 100, any values larger than 100 will be treated as 100 instead.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_max_inbound_htlc_value_in_flight_percent_of_channel(this_ptr: &ChannelHandshakeConfig) -> u8 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_inbound_htlc_value_in_flight_percent_of_channel;
        *inner_val
}
/// Sets the percentage of the channel value we will cap the total value of outstanding inbound
/// HTLCs to.
///
/// This can be set to a value between 1-100, where the value corresponds to the percent of the
/// channel value in whole percentages.
///
/// Note that:
/// * If configured to another value than the default value 10, any new channels created with
/// the non default value will cause versions of LDK prior to 0.0.104 to refuse to read the
/// `ChannelManager`.
///
/// * This caps the total value for inbound HTLCs in-flight only, and there's currently
/// no way to configure the cap for the total value of outbound HTLCs in-flight.
///
/// * The requirements for your node being online to ensure the safety of HTLC-encumbered funds
/// are different from the non-HTLC-encumbered funds. This makes this an important knob to
/// restrict exposure to loss due to being offline for too long.
/// See [`ChannelHandshakeConfig::our_to_self_delay`] and [`ChannelConfig::cltv_expiry_delta`]
/// for more information.
///
/// Default value: 10.
/// Minimum value: 1, any values less than 1 will be treated as 1 instead.
/// Maximum value: 100, any values larger than 100 will be treated as 100 instead.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_max_inbound_htlc_value_in_flight_percent_of_channel(this_ptr: &mut ChannelHandshakeConfig, mut val: u8) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_inbound_htlc_value_in_flight_percent_of_channel = val;
}
/// If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
/// BOLTs) option for outbound private channels. This provides better privacy by not including
/// our real on-chain channel UTXO in each invoice and requiring that our counterparty only
/// relay HTLCs to us using the channel's SCID alias.
///
/// If this option is set, channels may be created that will not be readable by LDK versions
/// prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
/// [`DecodeError::InvalidValue`].
///
/// Note that setting this to true does *not* prevent us from opening channels with
/// counterparties that do not support the `scid_alias` option; we will simply fall back to a
/// private channel without that option.
///
/// Ignored if the channel is negotiated to be announced, see
/// [`ChannelHandshakeConfig::announced_channel`] and
/// [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
///
/// Default value: false. This value is likely to change to true in the future.
///
/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
/// [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_negotiate_scid_privacy(this_ptr: &ChannelHandshakeConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().negotiate_scid_privacy;
        *inner_val
}
/// If set, we attempt to negotiate the `scid_privacy` (referred to as `scid_alias` in the
/// BOLTs) option for outbound private channels. This provides better privacy by not including
/// our real on-chain channel UTXO in each invoice and requiring that our counterparty only
/// relay HTLCs to us using the channel's SCID alias.
///
/// If this option is set, channels may be created that will not be readable by LDK versions
/// prior to 0.0.106, causing [`ChannelManager`]'s read method to return a
/// [`DecodeError::InvalidValue`].
///
/// Note that setting this to true does *not* prevent us from opening channels with
/// counterparties that do not support the `scid_alias` option; we will simply fall back to a
/// private channel without that option.
///
/// Ignored if the channel is negotiated to be announced, see
/// [`ChannelHandshakeConfig::announced_channel`] and
/// [`ChannelHandshakeLimits::force_announced_channel_preference`] for more.
///
/// Default value: false. This value is likely to change to true in the future.
///
/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
/// [`DecodeError::InvalidValue`]: crate::ln::msgs::DecodeError::InvalidValue
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_negotiate_scid_privacy(this_ptr: &mut ChannelHandshakeConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.negotiate_scid_privacy = val;
}
/// Set to announce the channel publicly and notify all nodes that they can route via this
/// channel.
///
/// This should only be set to true for nodes which expect to be online reliably.
///
/// As the node which funds a channel picks this value this will only apply for new outbound
/// channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
///
/// Default value: false.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_announced_channel(this_ptr: &ChannelHandshakeConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().announced_channel;
        *inner_val
}
/// Set to announce the channel publicly and notify all nodes that they can route via this
/// channel.
///
/// This should only be set to true for nodes which expect to be online reliably.
///
/// As the node which funds a channel picks this value this will only apply for new outbound
/// channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set.
///
/// Default value: false.
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_announced_channel(this_ptr: &mut ChannelHandshakeConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.announced_channel = val;
}
/// When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
/// supports it, they will then enforce the mutual-close output to us matches what we provided
/// at intialization, preventing us from closing to an alternate pubkey.
///
/// This is set to true by default to provide a slight increase in security, though ultimately
/// any attacker who is able to take control of a channel can just as easily send the funds via
/// lightning payments, so we never require that our counterparties support this option.
///
/// The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
///
/// Default value: true.
///
/// [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_get_commit_upfront_shutdown_pubkey(this_ptr: &ChannelHandshakeConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().commit_upfront_shutdown_pubkey;
        *inner_val
}
/// When set, we commit to an upfront shutdown_pubkey at channel open. If our counterparty
/// supports it, they will then enforce the mutual-close output to us matches what we provided
/// at intialization, preventing us from closing to an alternate pubkey.
///
/// This is set to true by default to provide a slight increase in security, though ultimately
/// any attacker who is able to take control of a channel can just as easily send the funds via
/// lightning payments, so we never require that our counterparties support this option.
///
/// The upfront key committed is provided from [`KeysInterface::get_shutdown_scriptpubkey`].
///
/// Default value: true.
///
/// [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_set_commit_upfront_shutdown_pubkey(this_ptr: &mut ChannelHandshakeConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.commit_upfront_shutdown_pubkey = val;
}
/// Constructs a new ChannelHandshakeConfig given each field
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_new(mut minimum_depth_arg: u32, mut our_to_self_delay_arg: u16, mut our_htlc_minimum_msat_arg: u64, mut max_inbound_htlc_value_in_flight_percent_of_channel_arg: u8, mut negotiate_scid_privacy_arg: bool, mut announced_channel_arg: bool, mut commit_upfront_shutdown_pubkey_arg: bool) -> ChannelHandshakeConfig {
        ChannelHandshakeConfig { inner: ObjOps::heap_alloc(nativeChannelHandshakeConfig {
                minimum_depth: minimum_depth_arg,
                our_to_self_delay: our_to_self_delay_arg,
                our_htlc_minimum_msat: our_htlc_minimum_msat_arg,
                max_inbound_htlc_value_in_flight_percent_of_channel: max_inbound_htlc_value_in_flight_percent_of_channel_arg,
                negotiate_scid_privacy: negotiate_scid_privacy_arg,
                announced_channel: announced_channel_arg,
                commit_upfront_shutdown_pubkey: commit_upfront_shutdown_pubkey_arg,
        }), is_owned: true }
}
impl Clone for ChannelHandshakeConfig {
        fn clone(&self) -> Self {
                Self {
                        inner: if <*mut nativeChannelHandshakeConfig>::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 ChannelHandshakeConfig_clone_void(this_ptr: *const c_void) -> *mut c_void {
        Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelHandshakeConfig)).clone() })) as *mut c_void
}
#[no_mangle]
/// Creates a copy of the ChannelHandshakeConfig
pub extern "C" fn ChannelHandshakeConfig_clone(orig: &ChannelHandshakeConfig) -> ChannelHandshakeConfig {
        orig.clone()
}
/// Creates a "default" ChannelHandshakeConfig. See struct and individual field documentaiton for details on which values are used.
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelHandshakeConfig_default() -> ChannelHandshakeConfig {
        ChannelHandshakeConfig { inner: ObjOps::heap_alloc(Default::default()), is_owned: true }
}

use lightning::util::config::ChannelHandshakeLimits as nativeChannelHandshakeLimitsImport;
pub(crate) type nativeChannelHandshakeLimits = nativeChannelHandshakeLimitsImport;

/// Optional channel limits which are applied during channel creation.
///
/// These limits are only applied to our counterparty's limits, not our own.
///
/// Use 0/<type>::max_value() as appropriate to skip checking.
///
/// Provides sane defaults for most configurations.
///
/// Most additional limits are disabled except those with which specify a default in individual
/// field documentation. Note that this may result in barely-usable channels, but since they
/// are applied mostly only to incoming channels that's not much of a problem.
#[must_use]
#[repr(C)]
pub struct ChannelHandshakeLimits {
        /// 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 nativeChannelHandshakeLimits,
        /// 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 ChannelHandshakeLimits {
        fn drop(&mut self) {
                if self.is_owned && !<*mut nativeChannelHandshakeLimits>::is_null(self.inner) {
                        let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
                }
        }
}
/// Frees any resources used by the ChannelHandshakeLimits, if is_owned is set and inner is non-NULL.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_free(this_obj: ChannelHandshakeLimits) { }
#[allow(unused)]
/// Used only if an object of this type is returned as a trait impl by a method
pub(crate) extern "C" fn ChannelHandshakeLimits_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelHandshakeLimits); }
}
#[allow(unused)]
impl ChannelHandshakeLimits {
        pub(crate) fn get_native_ref(&self) -> &'static nativeChannelHandshakeLimits {
                unsafe { &*ObjOps::untweak_ptr(self.inner) }
        }
        pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelHandshakeLimits {
                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 nativeChannelHandshakeLimits {
                assert!(self.is_owned);
                let ret = ObjOps::untweak_ptr(self.inner);
                self.inner = core::ptr::null_mut();
                ret
        }
}
/// Minimum allowed satoshis when a channel is funded. This is supplied by the sender and so
/// only applies to inbound channels.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_min_funding_satoshis(this_ptr: &ChannelHandshakeLimits) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().min_funding_satoshis;
        *inner_val
}
/// Minimum allowed satoshis when a channel is funded. This is supplied by the sender and so
/// only applies to inbound channels.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_min_funding_satoshis(this_ptr: &mut ChannelHandshakeLimits, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.min_funding_satoshis = val;
}
/// Maximum allowed satoshis when a channel is funded. This is supplied by the sender and so
/// only applies to inbound channels.
///
/// Default value: 2^24 - 1.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_max_funding_satoshis(this_ptr: &ChannelHandshakeLimits) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_funding_satoshis;
        *inner_val
}
/// Maximum allowed satoshis when a channel is funded. This is supplied by the sender and so
/// only applies to inbound channels.
///
/// Default value: 2^24 - 1.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_max_funding_satoshis(this_ptr: &mut ChannelHandshakeLimits, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_funding_satoshis = val;
}
/// The remote node sets a limit on the minimum size of HTLCs we can send to them. This allows
/// you to limit the maximum minimum-size they can require.
///
/// Default value: u64::max_value.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_max_htlc_minimum_msat(this_ptr: &ChannelHandshakeLimits) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_htlc_minimum_msat;
        *inner_val
}
/// The remote node sets a limit on the minimum size of HTLCs we can send to them. This allows
/// you to limit the maximum minimum-size they can require.
///
/// Default value: u64::max_value.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_max_htlc_minimum_msat(this_ptr: &mut ChannelHandshakeLimits, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_htlc_minimum_msat = val;
}
/// The remote node sets a limit on the maximum value of pending HTLCs to them at any given
/// time to limit their funds exposure to HTLCs. This allows you to set a minimum such value.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_min_max_htlc_value_in_flight_msat(this_ptr: &ChannelHandshakeLimits) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().min_max_htlc_value_in_flight_msat;
        *inner_val
}
/// The remote node sets a limit on the maximum value of pending HTLCs to them at any given
/// time to limit their funds exposure to HTLCs. This allows you to set a minimum such value.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_min_max_htlc_value_in_flight_msat(this_ptr: &mut ChannelHandshakeLimits, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.min_max_htlc_value_in_flight_msat = val;
}
/// The remote node will require we keep a certain amount in direct payment to ourselves at all
/// time, ensuring that we are able to be punished if we broadcast an old state. This allows to
/// you limit the amount which we will have to keep to ourselves (and cannot use for HTLCs).
///
/// Default value: u64::max_value.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_max_channel_reserve_satoshis(this_ptr: &ChannelHandshakeLimits) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_channel_reserve_satoshis;
        *inner_val
}
/// The remote node will require we keep a certain amount in direct payment to ourselves at all
/// time, ensuring that we are able to be punished if we broadcast an old state. This allows to
/// you limit the amount which we will have to keep to ourselves (and cannot use for HTLCs).
///
/// Default value: u64::max_value.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_max_channel_reserve_satoshis(this_ptr: &mut ChannelHandshakeLimits, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_channel_reserve_satoshis = val;
}
/// The remote node sets a limit on the maximum number of pending HTLCs to them at any given
/// time. This allows you to set a minimum such value.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_min_max_accepted_htlcs(this_ptr: &ChannelHandshakeLimits) -> u16 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().min_max_accepted_htlcs;
        *inner_val
}
/// The remote node sets a limit on the maximum number of pending HTLCs to them at any given
/// time. This allows you to set a minimum such value.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_min_max_accepted_htlcs(this_ptr: &mut ChannelHandshakeLimits, mut val: u16) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.min_max_accepted_htlcs = val;
}
/// Before a channel is usable the funding transaction will need to be confirmed by at least a
/// certain number of blocks, specified by the node which is not the funder (as the funder can
/// assume they aren't going to double-spend themselves).
/// This config allows you to set a limit on the maximum amount of time to wait.
///
/// Default value: 144, or roughly one day and only applies to outbound channels.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_max_minimum_depth(this_ptr: &ChannelHandshakeLimits) -> u32 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_minimum_depth;
        *inner_val
}
/// Before a channel is usable the funding transaction will need to be confirmed by at least a
/// certain number of blocks, specified by the node which is not the funder (as the funder can
/// assume they aren't going to double-spend themselves).
/// This config allows you to set a limit on the maximum amount of time to wait.
///
/// Default value: 144, or roughly one day and only applies to outbound channels.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_max_minimum_depth(this_ptr: &mut ChannelHandshakeLimits, mut val: u32) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_minimum_depth = val;
}
/// Whether we implicitly trust funding transactions generated by us for our own outbound
/// channels to not be double-spent.
///
/// If this is set, we assume that our own funding transactions are *never* double-spent, and
/// thus we can trust them without any confirmations. This is generally a reasonable
/// assumption, given we're the only ones who could ever double-spend it (assuming we have sole
/// control of the signing keys).
///
/// You may wish to un-set this if you allow the user to (or do in an automated fashion)
/// double-spend the funding transaction to RBF with an alternative channel open.
///
/// This only applies if our counterparty set their confirmations-required value to 0, and we
/// always trust our own funding transaction at 1 confirmation irrespective of this value.
/// Thus, this effectively acts as a `min_minimum_depth`, with the only possible values being
/// `true` (0) and `false` (1).
///
/// Default value: true
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_trust_own_funding_0conf(this_ptr: &ChannelHandshakeLimits) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().trust_own_funding_0conf;
        *inner_val
}
/// Whether we implicitly trust funding transactions generated by us for our own outbound
/// channels to not be double-spent.
///
/// If this is set, we assume that our own funding transactions are *never* double-spent, and
/// thus we can trust them without any confirmations. This is generally a reasonable
/// assumption, given we're the only ones who could ever double-spend it (assuming we have sole
/// control of the signing keys).
///
/// You may wish to un-set this if you allow the user to (or do in an automated fashion)
/// double-spend the funding transaction to RBF with an alternative channel open.
///
/// This only applies if our counterparty set their confirmations-required value to 0, and we
/// always trust our own funding transaction at 1 confirmation irrespective of this value.
/// Thus, this effectively acts as a `min_minimum_depth`, with the only possible values being
/// `true` (0) and `false` (1).
///
/// Default value: true
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_trust_own_funding_0conf(this_ptr: &mut ChannelHandshakeLimits, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.trust_own_funding_0conf = val;
}
/// Set to force an incoming channel to match our announced channel preference in
/// [`ChannelHandshakeConfig::announced_channel`].
///
/// For a node which is not online reliably, this should be set to true and
/// [`ChannelHandshakeConfig::announced_channel`] set to false, ensuring that no announced (aka public)
/// channels will ever be opened.
///
/// Default value: true.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_force_announced_channel_preference(this_ptr: &ChannelHandshakeLimits) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().force_announced_channel_preference;
        *inner_val
}
/// Set to force an incoming channel to match our announced channel preference in
/// [`ChannelHandshakeConfig::announced_channel`].
///
/// For a node which is not online reliably, this should be set to true and
/// [`ChannelHandshakeConfig::announced_channel`] set to false, ensuring that no announced (aka public)
/// channels will ever be opened.
///
/// Default value: true.
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_force_announced_channel_preference(this_ptr: &mut ChannelHandshakeLimits, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.force_announced_channel_preference = val;
}
/// Set to the amount of time we're willing to wait to claim money back to us.
///
/// Not checking this value would be a security issue, as our peer would be able to set it to
/// max relative lock-time (a year) and we would \"lose\" money as it would be locked for a long time.
///
/// Default value: 2016, which we also enforce as a maximum value so you can tweak config to
/// reduce the loss of having useless locked funds (if your peer accepts)
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_get_their_to_self_delay(this_ptr: &ChannelHandshakeLimits) -> u16 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().their_to_self_delay;
        *inner_val
}
/// Set to the amount of time we're willing to wait to claim money back to us.
///
/// Not checking this value would be a security issue, as our peer would be able to set it to
/// max relative lock-time (a year) and we would \"lose\" money as it would be locked for a long time.
///
/// Default value: 2016, which we also enforce as a maximum value so you can tweak config to
/// reduce the loss of having useless locked funds (if your peer accepts)
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_set_their_to_self_delay(this_ptr: &mut ChannelHandshakeLimits, mut val: u16) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.their_to_self_delay = val;
}
/// Constructs a new ChannelHandshakeLimits given each field
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_new(mut min_funding_satoshis_arg: u64, mut max_funding_satoshis_arg: u64, mut max_htlc_minimum_msat_arg: u64, mut min_max_htlc_value_in_flight_msat_arg: u64, mut max_channel_reserve_satoshis_arg: u64, mut min_max_accepted_htlcs_arg: u16, mut max_minimum_depth_arg: u32, mut trust_own_funding_0conf_arg: bool, mut force_announced_channel_preference_arg: bool, mut their_to_self_delay_arg: u16) -> ChannelHandshakeLimits {
        ChannelHandshakeLimits { inner: ObjOps::heap_alloc(nativeChannelHandshakeLimits {
                min_funding_satoshis: min_funding_satoshis_arg,
                max_funding_satoshis: max_funding_satoshis_arg,
                max_htlc_minimum_msat: max_htlc_minimum_msat_arg,
                min_max_htlc_value_in_flight_msat: min_max_htlc_value_in_flight_msat_arg,
                max_channel_reserve_satoshis: max_channel_reserve_satoshis_arg,
                min_max_accepted_htlcs: min_max_accepted_htlcs_arg,
                max_minimum_depth: max_minimum_depth_arg,
                trust_own_funding_0conf: trust_own_funding_0conf_arg,
                force_announced_channel_preference: force_announced_channel_preference_arg,
                their_to_self_delay: their_to_self_delay_arg,
        }), is_owned: true }
}
impl Clone for ChannelHandshakeLimits {
        fn clone(&self) -> Self {
                Self {
                        inner: if <*mut nativeChannelHandshakeLimits>::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 ChannelHandshakeLimits_clone_void(this_ptr: *const c_void) -> *mut c_void {
        Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelHandshakeLimits)).clone() })) as *mut c_void
}
#[no_mangle]
/// Creates a copy of the ChannelHandshakeLimits
pub extern "C" fn ChannelHandshakeLimits_clone(orig: &ChannelHandshakeLimits) -> ChannelHandshakeLimits {
        orig.clone()
}
/// Creates a "default" ChannelHandshakeLimits. See struct and individual field documentaiton for details on which values are used.
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelHandshakeLimits_default() -> ChannelHandshakeLimits {
        ChannelHandshakeLimits { inner: ObjOps::heap_alloc(Default::default()), is_owned: true }
}

use lightning::util::config::ChannelConfig as nativeChannelConfigImport;
pub(crate) type nativeChannelConfig = nativeChannelConfigImport;

/// Options which apply on a per-channel basis and may change at runtime or based on negotiation
/// with our counterparty.
#[must_use]
#[repr(C)]
pub struct ChannelConfig {
        /// 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 nativeChannelConfig,
        /// 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 ChannelConfig {
        fn drop(&mut self) {
                if self.is_owned && !<*mut nativeChannelConfig>::is_null(self.inner) {
                        let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
                }
        }
}
/// Frees any resources used by the ChannelConfig, if is_owned is set and inner is non-NULL.
#[no_mangle]
pub extern "C" fn ChannelConfig_free(this_obj: ChannelConfig) { }
#[allow(unused)]
/// Used only if an object of this type is returned as a trait impl by a method
pub(crate) extern "C" fn ChannelConfig_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeChannelConfig); }
}
#[allow(unused)]
impl ChannelConfig {
        pub(crate) fn get_native_ref(&self) -> &'static nativeChannelConfig {
                unsafe { &*ObjOps::untweak_ptr(self.inner) }
        }
        pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeChannelConfig {
                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 nativeChannelConfig {
                assert!(self.is_owned);
                let ret = ObjOps::untweak_ptr(self.inner);
                self.inner = core::ptr::null_mut();
                ret
        }
}
/// Amount (in millionths of a satoshi) charged per satoshi for payments forwarded outbound
/// over the channel.
/// This may be allowed to change at runtime in a later update, however doing so must result in
/// update messages sent to notify all nodes of our updated relay fee.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelConfig_get_forwarding_fee_proportional_millionths(this_ptr: &ChannelConfig) -> u32 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().forwarding_fee_proportional_millionths;
        *inner_val
}
/// Amount (in millionths of a satoshi) charged per satoshi for payments forwarded outbound
/// over the channel.
/// This may be allowed to change at runtime in a later update, however doing so must result in
/// update messages sent to notify all nodes of our updated relay fee.
///
/// Default value: 0.
#[no_mangle]
pub extern "C" fn ChannelConfig_set_forwarding_fee_proportional_millionths(this_ptr: &mut ChannelConfig, mut val: u32) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.forwarding_fee_proportional_millionths = val;
}
/// Amount (in milli-satoshi) charged for payments forwarded outbound over the channel, in
/// excess of [`forwarding_fee_proportional_millionths`].
/// This may be allowed to change at runtime in a later update, however doing so must result in
/// update messages sent to notify all nodes of our updated relay fee.
///
/// The default value of a single satoshi roughly matches the market rate on many routing nodes
/// as of July 2021. Adjusting it upwards or downwards may change whether nodes route through
/// this node.
///
/// Default value: 1000.
///
/// [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths
#[no_mangle]
pub extern "C" fn ChannelConfig_get_forwarding_fee_base_msat(this_ptr: &ChannelConfig) -> u32 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().forwarding_fee_base_msat;
        *inner_val
}
/// Amount (in milli-satoshi) charged for payments forwarded outbound over the channel, in
/// excess of [`forwarding_fee_proportional_millionths`].
/// This may be allowed to change at runtime in a later update, however doing so must result in
/// update messages sent to notify all nodes of our updated relay fee.
///
/// The default value of a single satoshi roughly matches the market rate on many routing nodes
/// as of July 2021. Adjusting it upwards or downwards may change whether nodes route through
/// this node.
///
/// Default value: 1000.
///
/// [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths
#[no_mangle]
pub extern "C" fn ChannelConfig_set_forwarding_fee_base_msat(this_ptr: &mut ChannelConfig, mut val: u32) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.forwarding_fee_base_msat = val;
}
/// The difference in the CLTV value between incoming HTLCs and an outbound HTLC forwarded over
/// the channel this config applies to.
///
/// This is analogous to [`ChannelHandshakeConfig::our_to_self_delay`] but applies to in-flight
/// HTLC balance when a channel appears on-chain whereas
/// [`ChannelHandshakeConfig::our_to_self_delay`] applies to the remaining
/// (non-HTLC-encumbered) balance.
///
/// Thus, for HTLC-encumbered balances to be enforced on-chain when a channel is force-closed,
/// we (or one of our watchtowers) MUST be online to check for broadcast of the current
/// commitment transaction at least once per this many blocks (minus some margin to allow us
/// enough time to broadcast and confirm a transaction, possibly with time in between to RBF
/// the spending transaction).
///
/// Default value: 72 (12 hours at an average of 6 blocks/hour).
/// Minimum value: [`MIN_CLTV_EXPIRY_DELTA`], any values less than this will be treated as
///                [`MIN_CLTV_EXPIRY_DELTA`] instead.
///
/// [`MIN_CLTV_EXPIRY_DELTA`]: crate::ln::channelmanager::MIN_CLTV_EXPIRY_DELTA
#[no_mangle]
pub extern "C" fn ChannelConfig_get_cltv_expiry_delta(this_ptr: &ChannelConfig) -> u16 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().cltv_expiry_delta;
        *inner_val
}
/// The difference in the CLTV value between incoming HTLCs and an outbound HTLC forwarded over
/// the channel this config applies to.
///
/// This is analogous to [`ChannelHandshakeConfig::our_to_self_delay`] but applies to in-flight
/// HTLC balance when a channel appears on-chain whereas
/// [`ChannelHandshakeConfig::our_to_self_delay`] applies to the remaining
/// (non-HTLC-encumbered) balance.
///
/// Thus, for HTLC-encumbered balances to be enforced on-chain when a channel is force-closed,
/// we (or one of our watchtowers) MUST be online to check for broadcast of the current
/// commitment transaction at least once per this many blocks (minus some margin to allow us
/// enough time to broadcast and confirm a transaction, possibly with time in between to RBF
/// the spending transaction).
///
/// Default value: 72 (12 hours at an average of 6 blocks/hour).
/// Minimum value: [`MIN_CLTV_EXPIRY_DELTA`], any values less than this will be treated as
///                [`MIN_CLTV_EXPIRY_DELTA`] instead.
///
/// [`MIN_CLTV_EXPIRY_DELTA`]: crate::ln::channelmanager::MIN_CLTV_EXPIRY_DELTA
#[no_mangle]
pub extern "C" fn ChannelConfig_set_cltv_expiry_delta(this_ptr: &mut ChannelConfig, mut val: u16) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.cltv_expiry_delta = val;
}
/// Limit our total exposure to in-flight HTLCs which are burned to fees as they are too
/// small to claim on-chain.
///
/// When an HTLC present in one of our channels is below a \"dust\" threshold, the HTLC will
/// not be claimable on-chain, instead being turned into additional miner fees if either
/// party force-closes the channel. Because the threshold is per-HTLC, our total exposure
/// to such payments may be sustantial if there are many dust HTLCs present when the
/// channel is force-closed.
///
/// This limit is applied for sent, forwarded, and received HTLCs and limits the total
/// exposure across all three types per-channel. Setting this too low may prevent the
/// sending or receipt of low-value HTLCs on high-traffic nodes, and this limit is very
/// important to prevent stealing of dust HTLCs by miners.
///
/// Default value: 5_000_000 msat.
#[no_mangle]
pub extern "C" fn ChannelConfig_get_max_dust_htlc_exposure_msat(this_ptr: &ChannelConfig) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().max_dust_htlc_exposure_msat;
        *inner_val
}
/// Limit our total exposure to in-flight HTLCs which are burned to fees as they are too
/// small to claim on-chain.
///
/// When an HTLC present in one of our channels is below a \"dust\" threshold, the HTLC will
/// not be claimable on-chain, instead being turned into additional miner fees if either
/// party force-closes the channel. Because the threshold is per-HTLC, our total exposure
/// to such payments may be sustantial if there are many dust HTLCs present when the
/// channel is force-closed.
///
/// This limit is applied for sent, forwarded, and received HTLCs and limits the total
/// exposure across all three types per-channel. Setting this too low may prevent the
/// sending or receipt of low-value HTLCs on high-traffic nodes, and this limit is very
/// important to prevent stealing of dust HTLCs by miners.
///
/// Default value: 5_000_000 msat.
#[no_mangle]
pub extern "C" fn ChannelConfig_set_max_dust_htlc_exposure_msat(this_ptr: &mut ChannelConfig, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.max_dust_htlc_exposure_msat = val;
}
/// The additional fee we're willing to pay to avoid waiting for the counterparty's
/// `to_self_delay` to reclaim funds.
///
/// When we close a channel cooperatively with our counterparty, we negotiate a fee for the
/// closing transaction which both sides find acceptable, ultimately paid by the channel
/// funder/initiator.
///
/// When we are the funder, because we have to pay the channel closing fee, we bound the
/// acceptable fee by our [`Background`] and [`Normal`] fees, with the upper bound increased by
/// this value. Because the on-chain fee we'd pay to force-close the channel is kept near our
/// [`Normal`] feerate during normal operation, this value represents the additional fee we're
/// willing to pay in order to avoid waiting for our counterparty's to_self_delay to reclaim our
/// funds.
///
/// When we are not the funder, we require the closing transaction fee pay at least our
/// [`Background`] fee estimate, but allow our counterparty to pay as much fee as they like.
/// Thus, this value is ignored when we are not the funder.
///
/// Default value: 1000 satoshis.
///
/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
#[no_mangle]
pub extern "C" fn ChannelConfig_get_force_close_avoidance_max_fee_satoshis(this_ptr: &ChannelConfig) -> u64 {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().force_close_avoidance_max_fee_satoshis;
        *inner_val
}
/// The additional fee we're willing to pay to avoid waiting for the counterparty's
/// `to_self_delay` to reclaim funds.
///
/// When we close a channel cooperatively with our counterparty, we negotiate a fee for the
/// closing transaction which both sides find acceptable, ultimately paid by the channel
/// funder/initiator.
///
/// When we are the funder, because we have to pay the channel closing fee, we bound the
/// acceptable fee by our [`Background`] and [`Normal`] fees, with the upper bound increased by
/// this value. Because the on-chain fee we'd pay to force-close the channel is kept near our
/// [`Normal`] feerate during normal operation, this value represents the additional fee we're
/// willing to pay in order to avoid waiting for our counterparty's to_self_delay to reclaim our
/// funds.
///
/// When we are not the funder, we require the closing transaction fee pay at least our
/// [`Background`] fee estimate, but allow our counterparty to pay as much fee as they like.
/// Thus, this value is ignored when we are not the funder.
///
/// Default value: 1000 satoshis.
///
/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
#[no_mangle]
pub extern "C" fn ChannelConfig_set_force_close_avoidance_max_fee_satoshis(this_ptr: &mut ChannelConfig, mut val: u64) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.force_close_avoidance_max_fee_satoshis = val;
}
/// Constructs a new ChannelConfig given each field
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelConfig_new(mut forwarding_fee_proportional_millionths_arg: u32, mut forwarding_fee_base_msat_arg: u32, mut cltv_expiry_delta_arg: u16, mut max_dust_htlc_exposure_msat_arg: u64, mut force_close_avoidance_max_fee_satoshis_arg: u64) -> ChannelConfig {
        ChannelConfig { inner: ObjOps::heap_alloc(nativeChannelConfig {
                forwarding_fee_proportional_millionths: forwarding_fee_proportional_millionths_arg,
                forwarding_fee_base_msat: forwarding_fee_base_msat_arg,
                cltv_expiry_delta: cltv_expiry_delta_arg,
                max_dust_htlc_exposure_msat: max_dust_htlc_exposure_msat_arg,
                force_close_avoidance_max_fee_satoshis: force_close_avoidance_max_fee_satoshis_arg,
        }), is_owned: true }
}
impl Clone for ChannelConfig {
        fn clone(&self) -> Self {
                Self {
                        inner: if <*mut nativeChannelConfig>::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 ChannelConfig_clone_void(this_ptr: *const c_void) -> *mut c_void {
        Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeChannelConfig)).clone() })) as *mut c_void
}
#[no_mangle]
/// Creates a copy of the ChannelConfig
pub extern "C" fn ChannelConfig_clone(orig: &ChannelConfig) -> ChannelConfig {
        orig.clone()
}
/// Creates a "default" ChannelConfig. See struct and individual field documentaiton for details on which values are used.
#[must_use]
#[no_mangle]
pub extern "C" fn ChannelConfig_default() -> ChannelConfig {
        ChannelConfig { inner: ObjOps::heap_alloc(Default::default()), is_owned: true }
}
#[no_mangle]
/// Serialize the ChannelConfig object into a byte array which can be read by ChannelConfig_read
pub extern "C" fn ChannelConfig_write(obj: &crate::lightning::util::config::ChannelConfig) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref())
}
#[no_mangle]
pub(crate) extern "C" fn ChannelConfig_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z {
        crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeChannelConfig) })
}
#[no_mangle]
/// Read a ChannelConfig from a byte array, created by ChannelConfig_write
pub extern "C" fn ChannelConfig_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_ChannelConfigDecodeErrorZ {
        let res: Result<lightning::util::config::ChannelConfig, lightning::ln::msgs::DecodeError> = crate::c_types::deserialize_obj(ser);
        let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::util::config::ChannelConfig { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError { inner: ObjOps::heap_alloc(e), is_owned: true } }).into() };
        local_res
}

use lightning::util::config::UserConfig as nativeUserConfigImport;
pub(crate) type nativeUserConfig = nativeUserConfigImport;

/// Top-level config which holds ChannelHandshakeLimits and ChannelConfig.
///
/// Default::default() provides sane defaults for most configurations
/// (but currently with 0 relay fees!)
#[must_use]
#[repr(C)]
pub struct UserConfig {
        /// 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 nativeUserConfig,
        /// 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 UserConfig {
        fn drop(&mut self) {
                if self.is_owned && !<*mut nativeUserConfig>::is_null(self.inner) {
                        let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
                }
        }
}
/// Frees any resources used by the UserConfig, if is_owned is set and inner is non-NULL.
#[no_mangle]
pub extern "C" fn UserConfig_free(this_obj: UserConfig) { }
#[allow(unused)]
/// Used only if an object of this type is returned as a trait impl by a method
pub(crate) extern "C" fn UserConfig_free_void(this_ptr: *mut c_void) {
        unsafe { let _ = Box::from_raw(this_ptr as *mut nativeUserConfig); }
}
#[allow(unused)]
impl UserConfig {
        pub(crate) fn get_native_ref(&self) -> &'static nativeUserConfig {
                unsafe { &*ObjOps::untweak_ptr(self.inner) }
        }
        pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeUserConfig {
                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 nativeUserConfig {
                assert!(self.is_owned);
                let ret = ObjOps::untweak_ptr(self.inner);
                self.inner = core::ptr::null_mut();
                ret
        }
}
/// Channel handshake config that we propose to our counterparty.
#[no_mangle]
pub extern "C" fn UserConfig_get_channel_handshake_config(this_ptr: &UserConfig) -> crate::lightning::util::config::ChannelHandshakeConfig {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_handshake_config;
        crate::lightning::util::config::ChannelHandshakeConfig { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::util::config::ChannelHandshakeConfig<>) as *mut _) }, is_owned: false }
}
/// Channel handshake config that we propose to our counterparty.
#[no_mangle]
pub extern "C" fn UserConfig_set_channel_handshake_config(this_ptr: &mut UserConfig, mut val: crate::lightning::util::config::ChannelHandshakeConfig) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_handshake_config = *unsafe { Box::from_raw(val.take_inner()) };
}
/// Limits applied to our counterparty's proposed channel handshake config settings.
#[no_mangle]
pub extern "C" fn UserConfig_get_channel_handshake_limits(this_ptr: &UserConfig) -> crate::lightning::util::config::ChannelHandshakeLimits {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_handshake_limits;
        crate::lightning::util::config::ChannelHandshakeLimits { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::util::config::ChannelHandshakeLimits<>) as *mut _) }, is_owned: false }
}
/// Limits applied to our counterparty's proposed channel handshake config settings.
#[no_mangle]
pub extern "C" fn UserConfig_set_channel_handshake_limits(this_ptr: &mut UserConfig, mut val: crate::lightning::util::config::ChannelHandshakeLimits) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_handshake_limits = *unsafe { Box::from_raw(val.take_inner()) };
}
/// Channel config which affects behavior during channel lifetime.
#[no_mangle]
pub extern "C" fn UserConfig_get_channel_config(this_ptr: &UserConfig) -> crate::lightning::util::config::ChannelConfig {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().channel_config;
        crate::lightning::util::config::ChannelConfig { inner: unsafe { ObjOps::nonnull_ptr_to_inner((inner_val as *const lightning::util::config::ChannelConfig<>) as *mut _) }, is_owned: false }
}
/// Channel config which affects behavior during channel lifetime.
#[no_mangle]
pub extern "C" fn UserConfig_set_channel_config(this_ptr: &mut UserConfig, mut val: crate::lightning::util::config::ChannelConfig) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.channel_config = *unsafe { Box::from_raw(val.take_inner()) };
}
/// If this is set to false, we will reject any HTLCs which were to be forwarded over private
/// channels. This prevents us from taking on HTLC-forwarding risk when we intend to run as a
/// node which is not online reliably.
///
/// For nodes which are not online reliably, you should set all channels to *not* be announced
/// (using [`ChannelHandshakeConfig::announced_channel`] and
/// [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to
/// ensure you are not exposed to any forwarding risk.
///
/// Note that because you cannot change a channel's announced state after creation, there is no
/// way to disable forwarding on public channels retroactively. Thus, in order to change a node
/// from a publicly-announced forwarding node to a private non-forwarding node you must close
/// all your channels and open new ones. For privacy, you should also change your node_id
/// (swapping all private and public key material for new ones) at that time.
///
/// Default value: false.
#[no_mangle]
pub extern "C" fn UserConfig_get_accept_forwards_to_priv_channels(this_ptr: &UserConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().accept_forwards_to_priv_channels;
        *inner_val
}
/// If this is set to false, we will reject any HTLCs which were to be forwarded over private
/// channels. This prevents us from taking on HTLC-forwarding risk when we intend to run as a
/// node which is not online reliably.
///
/// For nodes which are not online reliably, you should set all channels to *not* be announced
/// (using [`ChannelHandshakeConfig::announced_channel`] and
/// [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to
/// ensure you are not exposed to any forwarding risk.
///
/// Note that because you cannot change a channel's announced state after creation, there is no
/// way to disable forwarding on public channels retroactively. Thus, in order to change a node
/// from a publicly-announced forwarding node to a private non-forwarding node you must close
/// all your channels and open new ones. For privacy, you should also change your node_id
/// (swapping all private and public key material for new ones) at that time.
///
/// Default value: false.
#[no_mangle]
pub extern "C" fn UserConfig_set_accept_forwards_to_priv_channels(this_ptr: &mut UserConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.accept_forwards_to_priv_channels = val;
}
/// If this is set to false, we do not accept inbound requests to open a new channel.
/// Default value: true.
#[no_mangle]
pub extern "C" fn UserConfig_get_accept_inbound_channels(this_ptr: &UserConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().accept_inbound_channels;
        *inner_val
}
/// If this is set to false, we do not accept inbound requests to open a new channel.
/// Default value: true.
#[no_mangle]
pub extern "C" fn UserConfig_set_accept_inbound_channels(this_ptr: &mut UserConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.accept_inbound_channels = val;
}
/// If this is set to true, the user needs to manually accept inbound requests to open a new
/// channel.
///
/// When set to true, [`Event::OpenChannelRequest`] will be triggered once a request to open a
/// new inbound channel is received through a [`msgs::OpenChannel`] message. In that case, a
/// [`msgs::AcceptChannel`] message will not be sent back to the counterparty node unless the
/// user explicitly chooses to accept the request.
///
/// Default value: false.
///
/// [`Event::OpenChannelRequest`]: crate::util::events::Event::OpenChannelRequest
/// [`msgs::OpenChannel`]: crate::ln::msgs::OpenChannel
/// [`msgs::AcceptChannel`]: crate::ln::msgs::AcceptChannel
#[no_mangle]
pub extern "C" fn UserConfig_get_manually_accept_inbound_channels(this_ptr: &UserConfig) -> bool {
        let mut inner_val = &mut this_ptr.get_native_mut_ref().manually_accept_inbound_channels;
        *inner_val
}
/// If this is set to true, the user needs to manually accept inbound requests to open a new
/// channel.
///
/// When set to true, [`Event::OpenChannelRequest`] will be triggered once a request to open a
/// new inbound channel is received through a [`msgs::OpenChannel`] message. In that case, a
/// [`msgs::AcceptChannel`] message will not be sent back to the counterparty node unless the
/// user explicitly chooses to accept the request.
///
/// Default value: false.
///
/// [`Event::OpenChannelRequest`]: crate::util::events::Event::OpenChannelRequest
/// [`msgs::OpenChannel`]: crate::ln::msgs::OpenChannel
/// [`msgs::AcceptChannel`]: crate::ln::msgs::AcceptChannel
#[no_mangle]
pub extern "C" fn UserConfig_set_manually_accept_inbound_channels(this_ptr: &mut UserConfig, mut val: bool) {
        unsafe { &mut *ObjOps::untweak_ptr(this_ptr.inner) }.manually_accept_inbound_channels = val;
}
/// Constructs a new UserConfig given each field
#[must_use]
#[no_mangle]
pub extern "C" fn UserConfig_new(mut channel_handshake_config_arg: crate::lightning::util::config::ChannelHandshakeConfig, mut channel_handshake_limits_arg: crate::lightning::util::config::ChannelHandshakeLimits, mut channel_config_arg: crate::lightning::util::config::ChannelConfig, mut accept_forwards_to_priv_channels_arg: bool, mut accept_inbound_channels_arg: bool, mut manually_accept_inbound_channels_arg: bool) -> UserConfig {
        UserConfig { inner: ObjOps::heap_alloc(nativeUserConfig {
                channel_handshake_config: *unsafe { Box::from_raw(channel_handshake_config_arg.take_inner()) },
                channel_handshake_limits: *unsafe { Box::from_raw(channel_handshake_limits_arg.take_inner()) },
                channel_config: *unsafe { Box::from_raw(channel_config_arg.take_inner()) },
                accept_forwards_to_priv_channels: accept_forwards_to_priv_channels_arg,
                accept_inbound_channels: accept_inbound_channels_arg,
                manually_accept_inbound_channels: manually_accept_inbound_channels_arg,
        }), is_owned: true }
}
impl Clone for UserConfig {
        fn clone(&self) -> Self {
                Self {
                        inner: if <*mut nativeUserConfig>::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 UserConfig_clone_void(this_ptr: *const c_void) -> *mut c_void {
        Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeUserConfig)).clone() })) as *mut c_void
}
#[no_mangle]
/// Creates a copy of the UserConfig
pub extern "C" fn UserConfig_clone(orig: &UserConfig) -> UserConfig {
        orig.clone()
}
/// Creates a "default" UserConfig. See struct and individual field documentaiton for details on which values are used.
#[must_use]
#[no_mangle]
pub extern "C" fn UserConfig_default() -> UserConfig {
        UserConfig { inner: ObjOps::heap_alloc(Default::default()), is_owned: true }
}