X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fchain%2Fmod.rs;h=21a6b8ad78ba92654663f021c909342e670815eb;hb=033f4f3b2750dcd5afc8b158d7474242b29b24f3;hp=2d4382378c60e25c7ea9e2e230749dd5dcbf2e87;hpb=1926a7a71ae0f37ebd6562996769334e0af0cf1b;p=ldk-c-bindings diff --git a/lightning-c-bindings/src/lightning/chain/mod.rs b/lightning-c-bindings/src/lightning/chain/mod.rs index 2d43823..21a6b8a 100644 --- a/lightning-c-bindings/src/lightning/chain/mod.rs +++ b/lightning-c-bindings/src/lightning/chain/mod.rs @@ -18,6 +18,119 @@ pub mod chainmonitor; 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)] @@ -82,6 +195,8 @@ pub struct Access { /// 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, } +unsafe impl Send for Access {} +unsafe impl Sync for Access {} use lightning::chain::Access as rustAccess; impl rustAccess for Access { @@ -130,6 +245,8 @@ pub struct Listen { /// 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, } +unsafe impl Send for Listen {} +unsafe impl Sync for Listen {} use lightning::chain::Listen as rustListen; impl rustListen for Listen { @@ -245,12 +362,14 @@ pub struct Confirm { /// 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, } +unsafe impl Send for Confirm {} +unsafe impl Sync for Confirm {} use lightning::chain::Confirm as rustConfirm; impl rustConfirm for Confirm { 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, mut txid: &bitcoin::hash_types::Txid) { @@ -339,6 +458,8 @@ pub struct Watch { /// 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, } +unsafe impl Send for Watch {} +unsafe impl Sync for Watch {} use lightning::chain::Watch as rustWatch; impl rustWatch for Watch { @@ -420,6 +541,8 @@ pub struct Filter { /// 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, } +unsafe impl Send for Filter {} +unsafe impl Sync for Filter {} use lightning::chain::Filter as rustFilter; impl rustFilter for Filter { @@ -552,3 +675,32 @@ pub extern "C" fn WatchedOutput_new(mut block_hash_arg: crate::c_types::ThirtyTw 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) +}