-#[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)]
-pub struct Access {
- /// 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,
- /// Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
- /// Returns an error if `genesis_hash` is for a different chain or if such a transaction output
- /// is unknown.
- ///
- /// [`short_channel_id`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#definition-of-short_channel_id
- #[must_use]
- pub get_utxo: extern "C" fn (this_arg: *const c_void, genesis_hash: *const [u8; 32], short_channel_id: u64) -> crate::c_types::derived::CResult_TxOutAccessErrorZ,
- /// 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 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, 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
- }
-}
-
-// 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 core::ops::Deref for Access {
- type Target = Self;
- fn deref(&self) -> &Self {
- self
- }