//! Includes traits for monitoring and receiving notifications of new blocks and block
//! disconnections, transaction broadcasting, and feerate information requests.
-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};
/// An interface to send a transaction to the Bitcoin network.
#[repr(C)]
/// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
}
+unsafe impl Send for BroadcasterInterface {}
+unsafe impl Sync for BroadcasterInterface {}
+#[no_mangle]
+pub(crate) extern "C" fn BroadcasterInterface_clone_fields(orig: &BroadcasterInterface) -> BroadcasterInterface {
+ BroadcasterInterface {
+ this_arg: orig.this_arg,
+ broadcast_transaction: Clone::clone(&orig.broadcast_transaction),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::chaininterface::BroadcasterInterface as rustBroadcasterInterface;
impl rustBroadcasterInterface for BroadcasterInterface {
// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
// directly as a Deref trait in higher-level structs:
-impl std::ops::Deref for BroadcasterInterface {
+impl core::ops::Deref for BroadcasterInterface {
type Target = Self;
fn deref(&self) -> &Self {
self
}
/// An enum that represents the speed at which we want a transaction to confirm used for feerate
/// estimation.
-#[must_use]
#[derive(Clone)]
+#[must_use]
#[repr(C)]
pub enum ConfirmationTarget {
/// We are happy with this transaction confirming slowly when feerate drops some.
/// We'd like this transaction to confirm in the next few blocks.
HighPriority,
}
-use lightning::chain::chaininterface::ConfirmationTarget as nativeConfirmationTarget;
+use lightning::chain::chaininterface::ConfirmationTarget as ConfirmationTargetImport;
+pub(crate) type nativeConfirmationTarget = ConfirmationTargetImport;
+
impl ConfirmationTarget {
#[allow(unused)]
pub(crate) fn to_native(&self) -> nativeConfirmationTarget {
pub extern "C" fn ConfirmationTarget_clone(orig: &ConfirmationTarget) -> ConfirmationTarget {
orig.clone()
}
+#[no_mangle]
+/// Utility method to constructs a new Background-variant ConfirmationTarget
+pub extern "C" fn ConfirmationTarget_background() -> ConfirmationTarget {
+ ConfirmationTarget::Background}
+#[no_mangle]
+/// Utility method to constructs a new Normal-variant ConfirmationTarget
+pub extern "C" fn ConfirmationTarget_normal() -> ConfirmationTarget {
+ ConfirmationTarget::Normal}
+#[no_mangle]
+/// Utility method to constructs a new HighPriority-variant ConfirmationTarget
+pub extern "C" fn ConfirmationTarget_high_priority() -> ConfirmationTarget {
+ ConfirmationTarget::HighPriority}
+/// Checks if two ConfirmationTargets contain equal inner contents.
+/// This ignores pointers and is_owned flags and looks at the values in fields.
+#[no_mangle]
+pub extern "C" fn ConfirmationTarget_eq(a: &ConfirmationTarget, b: &ConfirmationTarget) -> bool {
+ if &a.to_native() == &b.to_native() { true } else { false }
+}
/// A trait which should be implemented to provide feerate information on a number of time
/// horizons.
///
pub this_arg: *mut c_void,
/// Gets estimated satoshis of fee required per 1000 Weight-Units.
///
- /// Must be no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later round-downs
- /// don't put us below 1 satoshi-per-byte).
+ /// LDK will wrap this method and ensure that the value returned is no smaller than 253
+ /// (ie 1 satoshi-per-byte rounded up to ensure later round-downs don't put us below 1 satoshi-per-byte).
///
- /// This translates to:
+ /// The following unit conversions can be used to convert to sats/KW:
/// * satoshis-per-byte * 250
- /// * ceil(satoshis-per-kbyte / 4)
+ /// * satoshis-per-kbyte / 4
#[must_use]
pub get_est_sat_per_1000_weight: extern "C" fn (this_arg: *const c_void, confirmation_target: crate::lightning::chain::chaininterface::ConfirmationTarget) -> u32,
/// Frees any resources associated with this object given its this_arg pointer.
/// Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
pub free: Option<extern "C" fn(this_arg: *mut c_void)>,
}
+unsafe impl Send for FeeEstimator {}
+unsafe impl Sync for FeeEstimator {}
+#[no_mangle]
+pub(crate) extern "C" fn FeeEstimator_clone_fields(orig: &FeeEstimator) -> FeeEstimator {
+ FeeEstimator {
+ this_arg: orig.this_arg,
+ get_est_sat_per_1000_weight: Clone::clone(&orig.get_est_sat_per_1000_weight),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::chaininterface::FeeEstimator as rustFeeEstimator;
impl rustFeeEstimator for FeeEstimator {
// We're essentially a pointer already, or at least a set of pointers, so allow us to be used
// directly as a Deref trait in higher-level structs:
-impl std::ops::Deref for FeeEstimator {
+impl core::ops::Deref for FeeEstimator {
type Target = Self;
fn deref(&self) -> &Self {
self
#[no_mangle]
pub static MIN_RELAY_FEE_SAT_PER_1000_WEIGHT: u64 = lightning::chain::chaininterface::MIN_RELAY_FEE_SAT_PER_1000_WEIGHT;
+/// Minimum feerate that takes a sane approach to bitcoind weight-to-vbytes rounding.
+/// See the following Core Lightning commit for an explanation:
+/// <https://github.com/ElementsProject/lightning/commit/2e687b9b352c9092b5e8bd4a688916ac50b44af0>
+
+#[no_mangle]
+pub static FEERATE_FLOOR_SATS_PER_KW: u32 = lightning::chain::chaininterface::FEERATE_FLOOR_SATS_PER_KW;