//! Structs and traits which allow other parts of rust-lightning to interact with the blockchain.
+use std::str::FromStr;
use std::ffi::c_void;
use bitcoin::hashes::Hash;
use crate::c_types::*;
pub mod channelmonitor;
pub mod transaction;
pub mod keysinterface;
+mod onchaintx {
+
+use std::str::FromStr;
+use std::ffi::c_void;
+use bitcoin::hashes::Hash;
+use crate::c_types::*;
+
+}
+mod package {
+
+use std::str::FromStr;
+use std::ffi::c_void;
+use bitcoin::hashes::Hash;
+use crate::c_types::*;
+
+}
+
+use lightning::chain::BestBlock as nativeBestBlockImport;
+type nativeBestBlock = nativeBestBlockImport;
+
+/// The best known block as identified by its hash and height.
+#[must_use]
+#[repr(C)]
+pub struct BestBlock {
+ /// 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,
+ /// 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 BestBlock {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeBestBlock>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(self.inner) };
+ }
+ }
+}
+/// Frees any resources used by the BestBlock, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn BestBlock_free(this_obj: BestBlock) { }
+#[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); }
+}
+#[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 {
+ assert!(self.is_owned);
+ let ret = self.inner;
+ self.inner = std::ptr::null_mut();
+ ret
+ }
+}
+impl Clone for BestBlock {
+ 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())) },
+ 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
+}
+#[no_mangle]
+/// Creates a copy of the BestBlock
+pub extern "C" fn BestBlock_clone(orig: &BestBlock) -> BestBlock {
+ orig.clone()
+}
+/// Constructs a `BestBlock` that represents the genesis block at height 0 of the given
+/// network.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn BestBlock_from_genesis(mut network: crate::bitcoin::network::Network) -> BestBlock {
+ let mut ret = lightning::chain::BestBlock::from_genesis(network.into_bitcoin());
+ BestBlock { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+}
+
+/// Returns a `BestBlock` as identified by the given block hash and height.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn BestBlock_new(mut block_hash: crate::c_types::ThirtyTwoBytes, mut height: u32) -> BestBlock {
+ let mut ret = lightning::chain::BestBlock::new(::bitcoin::hash_types::BlockHash::from_slice(&block_hash.data[..]).unwrap(), height);
+ BestBlock { inner: Box::into_raw(Box::new(ret)), is_owned: true }
+}
+
+/// Returns the best block hash.
+#[must_use]
+#[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() }
+}
+
+/// Returns the best block height.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn BestBlock_height(this_arg: &BestBlock) -> u32 {
+ let mut ret = unsafe { &*this_arg.inner }.height();
+ ret
+}
+
/// An error when accessing the chain via [`Access`].
#[must_use]
#[derive(Clone)]
pub extern "C" fn AccessError_clone(orig: &AccessError) -> AccessError {
orig.clone()
}
+#[no_mangle]
+/// Utility method to constructs a new UnknownChain-variant AccessError
+pub extern "C" fn AccessError_unknown_chain() -> AccessError {
+ AccessError::UnknownChain}
+#[no_mangle]
+/// Utility method to constructs a new UnknownTx-variant AccessError
+pub extern "C" fn AccessError_unknown_tx() -> AccessError {
+ AccessError::UnknownTx}
/// The `Access` trait defines behavior for accessing chain data and state, such as blocks and
/// UTXOs.
#[repr(C)]
}
unsafe impl Send for Access {}
unsafe impl Sync for Access {}
+#[no_mangle]
+pub(crate) extern "C" fn Access_clone_fields(orig: &Access) -> Access {
+ Access {
+ this_arg: orig.this_arg,
+ get_utxo: Clone::clone(&orig.get_utxo),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::Access as rustAccess;
impl rustAccess for Access {
- fn get_utxo(&self, genesis_hash: &bitcoin::hash_types::BlockHash, short_channel_id: u64) -> Result<bitcoin::blockdata::transaction::TxOut, lightning::chain::AccessError> {
+ fn get_utxo(&self, mut genesis_hash: &bitcoin::hash_types::BlockHash, mut short_channel_id: u64) -> Result<bitcoin::blockdata::transaction::TxOut, lightning::chain::AccessError> {
let mut ret = (self.get_utxo)(self.this_arg, genesis_hash.as_inner(), short_channel_id);
let mut local_ret = match ret.result_ok { true => Ok( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) }).into_rust() }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })};
local_ret
/// 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 Listen {}
+unsafe impl Sync for Listen {}
+#[no_mangle]
+pub(crate) extern "C" fn Listen_clone_fields(orig: &Listen) -> Listen {
+ Listen {
+ this_arg: orig.this_arg,
+ block_connected: Clone::clone(&orig.block_connected),
+ block_disconnected: Clone::clone(&orig.block_disconnected),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::Listen as rustListen;
impl rustListen for Listen {
- fn block_connected(&self, block: &bitcoin::blockdata::block::Block, height: u32) {
+ fn block_connected(&self, mut block: &bitcoin::blockdata::block::Block, mut height: u32) {
let mut local_block = ::bitcoin::consensus::encode::serialize(block);
(self.block_connected)(self.this_arg, crate::c_types::u8slice::from_slice(&local_block), height)
}
- fn block_disconnected(&self, header: &bitcoin::blockdata::block::BlockHeader, height: u32) {
+ fn block_disconnected(&self, mut header: &bitcoin::blockdata::block::BlockHeader, mut height: u32) {
let mut local_header = { let mut s = [0u8; 80]; s[..].copy_from_slice(&::bitcoin::consensus::encode::serialize(header)); s };
(self.block_disconnected)(self.this_arg, &local_header, height)
}
/// in the event of a chain reorganization, it must not be called with a `header` that is no
/// longer in the chain as of the last call to [`best_block_updated`].
///
- /// [chain order]: Self#order
+ /// [chain order]: Confirm#Order
/// [`best_block_updated`]: Self::best_block_updated
pub transactions_confirmed: extern "C" fn (this_arg: *const c_void, header: *const [u8; 80], txdata: crate::c_types::derived::CVec_C2Tuple_usizeTransactionZZ, height: u32),
/// Processes a transaction that is no longer confirmed as result of a chain reorganization.
/// 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 Confirm {}
+unsafe impl Sync for Confirm {}
+#[no_mangle]
+pub(crate) extern "C" fn Confirm_clone_fields(orig: &Confirm) -> Confirm {
+ Confirm {
+ this_arg: orig.this_arg,
+ transactions_confirmed: Clone::clone(&orig.transactions_confirmed),
+ transaction_unconfirmed: Clone::clone(&orig.transaction_unconfirmed),
+ best_block_updated: Clone::clone(&orig.best_block_updated),
+ get_relevant_txids: Clone::clone(&orig.get_relevant_txids),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::Confirm as rustConfirm;
impl rustConfirm for Confirm {
- fn transactions_confirmed(&self, header: &bitcoin::blockdata::block::BlockHeader, txdata: &lightning::chain::transaction::TransactionData, height: u32) {
+ fn transactions_confirmed(&self, mut header: &bitcoin::blockdata::block::BlockHeader, mut txdata: &lightning::chain::transaction::TransactionData, mut height: u32) {
let mut local_header = { let mut s = [0u8; 80]; s[..].copy_from_slice(&::bitcoin::consensus::encode::serialize(header)); s };
- let mut local_txdata = Vec::new(); for item in txdata.iter() { local_txdata.push( { let (mut orig_txdata_0_0, mut orig_txdata_0_1) = *item; let mut local_txdata_0 = (orig_txdata_0_0, crate::c_types::Transaction::from_bitcoin(&orig_txdata_0_1)).into(); local_txdata_0 }); };
+ let mut local_txdata = Vec::new(); for item in txdata.iter() { local_txdata.push( { let (mut orig_txdata_0_0, mut orig_txdata_0_1) = item; let mut local_txdata_0 = (orig_txdata_0_0, crate::c_types::Transaction::from_bitcoin(&orig_txdata_0_1)).into(); local_txdata_0 }); };
(self.transactions_confirmed)(self.this_arg, &local_header, local_txdata.into(), height)
}
- fn transaction_unconfirmed(&self, txid: &bitcoin::hash_types::Txid) {
+ fn transaction_unconfirmed(&self, mut txid: &bitcoin::hash_types::Txid) {
(self.transaction_unconfirmed)(self.this_arg, txid.as_inner())
}
- fn best_block_updated(&self, header: &bitcoin::blockdata::block::BlockHeader, height: u32) {
+ fn best_block_updated(&self, mut header: &bitcoin::blockdata::block::BlockHeader, mut height: u32) {
let mut local_header = { let mut s = [0u8; 80]; s[..].copy_from_slice(&::bitcoin::consensus::encode::serialize(header)); s };
(self.best_block_updated)(self.this_arg, &local_header, height)
}
}
unsafe impl Send for Watch {}
unsafe impl Sync for Watch {}
+#[no_mangle]
+pub(crate) extern "C" fn Watch_clone_fields(orig: &Watch) -> Watch {
+ Watch {
+ this_arg: orig.this_arg,
+ watch_channel: Clone::clone(&orig.watch_channel),
+ update_channel: Clone::clone(&orig.update_channel),
+ release_pending_monitor_events: Clone::clone(&orig.release_pending_monitor_events),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::Watch as rustWatch;
impl rustWatch<crate::lightning::chain::keysinterface::Sign> for Watch {
- fn watch_channel(&self, funding_txo: lightning::chain::transaction::OutPoint, monitor: lightning::chain::channelmonitor::ChannelMonitor<crate::lightning::chain::keysinterface::Sign>) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
+ fn watch_channel(&self, mut funding_txo: lightning::chain::transaction::OutPoint, mut monitor: lightning::chain::channelmonitor::ChannelMonitor<crate::lightning::chain::keysinterface::Sign>) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
let mut ret = (self.watch_channel)(self.this_arg, crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(funding_txo)), is_owned: true }, crate::lightning::chain::channelmonitor::ChannelMonitor { inner: Box::into_raw(Box::new(monitor)), is_owned: true });
let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })};
local_ret
}
- fn update_channel(&self, funding_txo: lightning::chain::transaction::OutPoint, update: lightning::chain::channelmonitor::ChannelMonitorUpdate) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
+ fn update_channel(&self, mut funding_txo: lightning::chain::transaction::OutPoint, mut update: lightning::chain::channelmonitor::ChannelMonitorUpdate) -> Result<(), lightning::chain::channelmonitor::ChannelMonitorUpdateErr> {
let mut ret = (self.update_channel)(self.this_arg, crate::lightning::chain::transaction::OutPoint { inner: Box::into_raw(Box::new(funding_txo)), is_owned: true }, crate::lightning::chain::channelmonitor::ChannelMonitorUpdate { inner: Box::into_raw(Box::new(update)), is_owned: true });
let mut local_ret = match ret.result_ok { true => Ok( { () /*(*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.result)) })*/ }), false => Err( { (*unsafe { Box::from_raw(<*mut _>::take_ptr(&mut ret.contents.err)) }).into_native() })};
local_ret
}
unsafe impl Send for Filter {}
unsafe impl Sync for Filter {}
+#[no_mangle]
+pub(crate) extern "C" fn Filter_clone_fields(orig: &Filter) -> Filter {
+ Filter {
+ this_arg: orig.this_arg,
+ register_tx: Clone::clone(&orig.register_tx),
+ register_output: Clone::clone(&orig.register_output),
+ free: Clone::clone(&orig.free),
+ }
+}
use lightning::chain::Filter as rustFilter;
impl rustFilter for Filter {
- fn register_tx(&self, txid: &bitcoin::hash_types::Txid, script_pubkey: &bitcoin::blockdata::script::Script) {
+ fn register_tx(&self, mut txid: &bitcoin::hash_types::Txid, mut script_pubkey: &bitcoin::blockdata::script::Script) {
(self.register_tx)(self.this_arg, txid.as_inner(), crate::c_types::u8slice::from_slice(&script_pubkey[..]))
}
- fn register_output(&self, output: lightning::chain::WatchedOutput) -> Option<(usize, bitcoin::blockdata::transaction::Transaction)> {
+ fn register_output(&self, mut output: lightning::chain::WatchedOutput) -> Option<(usize, bitcoin::blockdata::transaction::Transaction)> {
let mut ret = (self.register_output)(self.this_arg, crate::lightning::chain::WatchedOutput { inner: Box::into_raw(Box::new(output)), is_owned: true });
let mut local_ret = if ret.is_some() { Some( { let (mut orig_ret_0_0, mut orig_ret_0_1) = ret.take().to_rust(); let mut local_ret_0 = (orig_ret_0_0, orig_ret_0_1.into_bitcoin()); local_ret_0 }) } else { None };
local_ret
}
}
/// First block where the transaction output may have been spent.
+///
+/// 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 WatchedOutput_get_block_hash(this_ptr: &WatchedOutput) -> crate::c_types::ThirtyTwoBytes {
let mut inner_val = &mut unsafe { &mut *this_ptr.inner }.block_hash;
local_inner_val
}
/// First block where the transaction output may have been spent.
+///
+/// Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
#[no_mangle]
pub extern "C" fn WatchedOutput_set_block_hash(this_ptr: &mut WatchedOutput, mut val: crate::c_types::ThirtyTwoBytes) {
let mut local_val = if val.data == [0; 32] { None } else { Some( { ::bitcoin::hash_types::BlockHash::from_slice(&val.data[..]).unwrap() }) };
script_pubkey: ::bitcoin::blockdata::script::Script::from(script_pubkey_arg.into_rust()),
})), is_owned: true }
}
+impl Clone for WatchedOutput {
+ fn clone(&self) -> Self {
+ Self {
+ inner: if <*mut nativeWatchedOutput>::is_null(self.inner) { std::ptr::null_mut() } else {
+ Box::into_raw(Box::new(unsafe { &*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 WatchedOutput_clone_void(this_ptr: *const c_void) -> *mut c_void {
+ Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeWatchedOutput)).clone() })) as *mut c_void
+}
+#[no_mangle]
+/// Creates a copy of the WatchedOutput
+pub extern "C" fn WatchedOutput_clone(orig: &WatchedOutput) -> WatchedOutput {
+ orig.clone()
+}
+/// Checks if two WatchedOutputs contain equal inner contents.
+#[no_mangle]
+pub extern "C" fn WatchedOutput_hash(o: &WatchedOutput) -> u64 {
+ if o.inner.is_null() { return 0; }
+ // Note that we'd love to use std::collections::hash_map::DefaultHasher but it's not in core
+ #[allow(deprecated)]
+ let mut hasher = core::hash::SipHasher::new();
+ std::hash::Hash::hash(unsafe { &*o.inner }, &mut hasher);
+ std::hash::Hasher::finish(&hasher)
+}
projects / ldk-c-bindings / blobdiff