+++ /dev/null
-// 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.
-
-//! Traits and utility impls which allow other parts of rust-lightning to interact with the
-//! blockchain.
-//!
-//! Includes traits for monitoring and receiving notifications of new blocks and block
-//! disconnections, transaction broadcasting, and feerate information requests.
-
-use std::ffi::c_void;
-use bitcoin::hashes::Hash;
-use crate::c_types::*;
-
-/// An interface to send a transaction to the Bitcoin network.
-#[repr(C)]
-pub struct BroadcasterInterface {
- /// An opaque pointer which is passed to your function implementations as an argument.
- /// This has no meaning in the LDK, and can be NULL or any other value.
- pub this_arg: *mut c_void,
- /// Sends a transaction out to (hopefully) be mined.
- pub broadcast_transaction: extern "C" fn (this_arg: *const c_void, tx: crate::c_types::Transaction),
- /// 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 Sync for BroadcasterInterface {}
-unsafe impl Send for BroadcasterInterface {}
-
-use lightning::chain::chaininterface::BroadcasterInterface as rustBroadcasterInterface;
-impl rustBroadcasterInterface for BroadcasterInterface {
- fn broadcast_transaction(&self, tx: &bitcoin::blockdata::transaction::Transaction) {
- let mut local_tx = ::bitcoin::consensus::encode::serialize(tx);
- (self.broadcast_transaction)(self.this_arg, crate::c_types::Transaction::from_vec(local_tx))
- }
-}
-
-// 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 {
- type Target = Self;
- fn deref(&self) -> &Self {
- self
- }
-}
-/// Calls the free function if one is set
-#[no_mangle]
-pub extern "C" fn BroadcasterInterface_free(this_ptr: BroadcasterInterface) { }
-impl Drop for BroadcasterInterface {
- fn drop(&mut self) {
- if let Some(f) = self.free {
- f(self.this_arg);
- }
- }
-}
-/// An enum that represents the speed at which we want a transaction to confirm used for feerate
-/// estimation.
-#[must_use]
-#[derive(Clone)]
-#[repr(C)]
-pub enum ConfirmationTarget {
- /// We are happy with this transaction confirming slowly when feerate drops some.
- Background,
- /// We'd like this transaction to confirm without major delay, but 12-18 blocks is fine.
- Normal,
- /// We'd like this transaction to confirm in the next few blocks.
- HighPriority,
-}
-use lightning::chain::chaininterface::ConfirmationTarget as nativeConfirmationTarget;
-impl ConfirmationTarget {
- #[allow(unused)]
- pub(crate) fn to_native(&self) -> nativeConfirmationTarget {
- match self {
- ConfirmationTarget::Background => nativeConfirmationTarget::Background,
- ConfirmationTarget::Normal => nativeConfirmationTarget::Normal,
- ConfirmationTarget::HighPriority => nativeConfirmationTarget::HighPriority,
- }
- }
- #[allow(unused)]
- pub(crate) fn into_native(self) -> nativeConfirmationTarget {
- match self {
- ConfirmationTarget::Background => nativeConfirmationTarget::Background,
- ConfirmationTarget::Normal => nativeConfirmationTarget::Normal,
- ConfirmationTarget::HighPriority => nativeConfirmationTarget::HighPriority,
- }
- }
- #[allow(unused)]
- pub(crate) fn from_native(native: &nativeConfirmationTarget) -> Self {
- match native {
- nativeConfirmationTarget::Background => ConfirmationTarget::Background,
- nativeConfirmationTarget::Normal => ConfirmationTarget::Normal,
- nativeConfirmationTarget::HighPriority => ConfirmationTarget::HighPriority,
- }
- }
- #[allow(unused)]
- pub(crate) fn native_into(native: nativeConfirmationTarget) -> Self {
- match native {
- nativeConfirmationTarget::Background => ConfirmationTarget::Background,
- nativeConfirmationTarget::Normal => ConfirmationTarget::Normal,
- nativeConfirmationTarget::HighPriority => ConfirmationTarget::HighPriority,
- }
- }
-}
-/// Creates a copy of the ConfirmationTarget
-#[no_mangle]
-pub extern "C" fn ConfirmationTarget_clone(orig: &ConfirmationTarget) -> ConfirmationTarget {
- orig.clone()
-}
-/// A trait which should be implemented to provide feerate information on a number of time
-/// horizons.
-///
-/// Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
-/// called from inside the library in response to chain events, P2P events, or timer events).
-#[repr(C)]
-pub struct FeeEstimator {
- /// An opaque pointer which is passed to your function implementations as an argument.
- /// This has no meaning in the LDK, and can be NULL or any other value.
- 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).
- ///
- /// This translates to:
- /// * satoshis-per-byte * 250
- /// * ceil(satoshis-per-kbyte / 4)
- #[must_use]
- pub get_est_sat_per_1000_weight: extern "C" fn (this_arg: *const c_void, confirmation_target: crate::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 Sync for FeeEstimator {}
-unsafe impl Send for FeeEstimator {}
-
-use lightning::chain::chaininterface::FeeEstimator as rustFeeEstimator;
-impl rustFeeEstimator for FeeEstimator {
- fn get_est_sat_per_1000_weight(&self, confirmation_target: lightning::chain::chaininterface::ConfirmationTarget) -> u32 {
- let mut ret = (self.get_est_sat_per_1000_weight)(self.this_arg, crate::chain::chaininterface::ConfirmationTarget::native_into(confirmation_target));
- ret
- }
-}
-
-// 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 {
- type Target = Self;
- fn deref(&self) -> &Self {
- self
- }
-}
-/// Calls the free function if one is set
-#[no_mangle]
-pub extern "C" fn FeeEstimator_free(this_ptr: FeeEstimator) { }
-impl Drop for FeeEstimator {
- fn drop(&mut self) {
- if let Some(f) = self.free {
- f(self.this_arg);
- }
- }
-}
-/// Minimum relay fee as required by bitcoin network mempool policy.
-
-#[no_mangle]
-pub static MIN_RELAY_FEE_SAT_PER_1000_WEIGHT: u64 = lightning::chain::chaininterface::MIN_RELAY_FEE_SAT_PER_1000_WEIGHT;
projects / ldk-c-bindings / blobdiff