X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Fsrc%2Flightning%2Fblinded_path.rs;fp=lightning-c-bindings%2Fsrc%2Flightning%2Fblinded_path.rs;h=0000000000000000000000000000000000000000;hp=1972ae83f4d067a48fddcd2865edcce0882dea68;hb=3e46e1794f14640e35f09cc6da4169c152de34ce;hpb=53e91fd10d98313d2175470416f635d080e67e65 diff --git a/lightning-c-bindings/src/lightning/blinded_path.rs b/lightning-c-bindings/src/lightning/blinded_path.rs deleted file mode 100644 index 1972ae8..0000000 --- a/lightning-c-bindings/src/lightning/blinded_path.rs +++ /dev/null @@ -1,254 +0,0 @@ -// 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. - -//! Creating blinded paths and related utilities live here. - -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}; - -mod utils { - -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}; - -} - -use lightning::blinded_path::BlindedPath as nativeBlindedPathImport; -pub(crate) type nativeBlindedPath = nativeBlindedPathImport; - -/// Onion messages and payments can be sent and received to blinded paths, which serve to hide the -/// identity of the recipient. -#[must_use] -#[repr(C)] -pub struct BlindedPath { - /// 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 nativeBlindedPath, - /// 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 BlindedPath { - fn drop(&mut self) { - if self.is_owned && !<*mut nativeBlindedPath>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; - } - } -} -/// Frees any resources used by the BlindedPath, if is_owned is set and inner is non-NULL. -#[no_mangle] -pub extern "C" fn BlindedPath_free(this_obj: BlindedPath) { } -#[allow(unused)] -/// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn BlindedPath_free_void(this_ptr: *mut c_void) { - let _ = unsafe { Box::from_raw(this_ptr as *mut nativeBlindedPath) }; -} -#[allow(unused)] -impl BlindedPath { - pub(crate) fn get_native_ref(&self) -> &'static nativeBlindedPath { - unsafe { &*ObjOps::untweak_ptr(self.inner) } - } - pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeBlindedPath { - unsafe { &mut *ObjOps::untweak_ptr(self.inner) } - } - /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy - pub(crate) fn take_inner(mut self) -> *mut nativeBlindedPath { - assert!(self.is_owned); - let ret = ObjOps::untweak_ptr(self.inner); - self.inner = core::ptr::null_mut(); - ret - } -} -impl Clone for BlindedPath { - fn clone(&self) -> Self { - Self { - inner: if <*mut nativeBlindedPath>::is_null(self.inner) { core::ptr::null_mut() } else { - ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(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 BlindedPath_clone_void(this_ptr: *const c_void) -> *mut c_void { - Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBlindedPath)).clone() })) as *mut c_void -} -#[no_mangle] -/// Creates a copy of the BlindedPath -pub extern "C" fn BlindedPath_clone(orig: &BlindedPath) -> BlindedPath { - orig.clone() -} -/// Generates a non-cryptographic 64-bit hash of the BlindedPath. -#[no_mangle] -pub extern "C" fn BlindedPath_hash(o: &BlindedPath) -> u64 { - if o.inner.is_null() { return 0; } - // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core - #[allow(deprecated)] - let mut hasher = core::hash::SipHasher::new(); - core::hash::Hash::hash(o.get_native_ref(), &mut hasher); - core::hash::Hasher::finish(&hasher) -} -/// Checks if two BlindedPaths contain equal inner contents. -/// This ignores pointers and is_owned flags and looks at the values in fields. -/// Two objects with NULL inner values will be considered "equal" here. -#[no_mangle] -pub extern "C" fn BlindedPath_eq(a: &BlindedPath, b: &BlindedPath) -> bool { - if a.inner == b.inner { return true; } - if a.inner.is_null() || b.inner.is_null() { return false; } - if a.get_native_ref() == b.get_native_ref() { true } else { false } -} - -use lightning::blinded_path::BlindedHop as nativeBlindedHopImport; -pub(crate) type nativeBlindedHop = nativeBlindedHopImport; - -/// Used to construct the blinded hops portion of a blinded path. These hops cannot be identified -/// by outside observers and thus can be used to hide the identity of the recipient. -#[must_use] -#[repr(C)] -pub struct BlindedHop { - /// 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 nativeBlindedHop, - /// 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 BlindedHop { - fn drop(&mut self) { - if self.is_owned && !<*mut nativeBlindedHop>::is_null(self.inner) { - let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) }; - } - } -} -/// Frees any resources used by the BlindedHop, if is_owned is set and inner is non-NULL. -#[no_mangle] -pub extern "C" fn BlindedHop_free(this_obj: BlindedHop) { } -#[allow(unused)] -/// Used only if an object of this type is returned as a trait impl by a method -pub(crate) extern "C" fn BlindedHop_free_void(this_ptr: *mut c_void) { - let _ = unsafe { Box::from_raw(this_ptr as *mut nativeBlindedHop) }; -} -#[allow(unused)] -impl BlindedHop { - pub(crate) fn get_native_ref(&self) -> &'static nativeBlindedHop { - unsafe { &*ObjOps::untweak_ptr(self.inner) } - } - pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeBlindedHop { - unsafe { &mut *ObjOps::untweak_ptr(self.inner) } - } - /// When moving out of the pointer, we have to ensure we aren't a reference, this makes that easy - pub(crate) fn take_inner(mut self) -> *mut nativeBlindedHop { - assert!(self.is_owned); - let ret = ObjOps::untweak_ptr(self.inner); - self.inner = core::ptr::null_mut(); - ret - } -} -impl Clone for BlindedHop { - fn clone(&self) -> Self { - Self { - inner: if <*mut nativeBlindedHop>::is_null(self.inner) { core::ptr::null_mut() } else { - ObjOps::heap_alloc(unsafe { &*ObjOps::untweak_ptr(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 BlindedHop_clone_void(this_ptr: *const c_void) -> *mut c_void { - Box::into_raw(Box::new(unsafe { (*(this_ptr as *mut nativeBlindedHop)).clone() })) as *mut c_void -} -#[no_mangle] -/// Creates a copy of the BlindedHop -pub extern "C" fn BlindedHop_clone(orig: &BlindedHop) -> BlindedHop { - orig.clone() -} -/// Generates a non-cryptographic 64-bit hash of the BlindedHop. -#[no_mangle] -pub extern "C" fn BlindedHop_hash(o: &BlindedHop) -> u64 { - if o.inner.is_null() { return 0; } - // Note that we'd love to use alloc::collections::hash_map::DefaultHasher but it's not in core - #[allow(deprecated)] - let mut hasher = core::hash::SipHasher::new(); - core::hash::Hash::hash(o.get_native_ref(), &mut hasher); - core::hash::Hasher::finish(&hasher) -} -/// Checks if two BlindedHops contain equal inner contents. -/// This ignores pointers and is_owned flags and looks at the values in fields. -/// Two objects with NULL inner values will be considered "equal" here. -#[no_mangle] -pub extern "C" fn BlindedHop_eq(a: &BlindedHop, b: &BlindedHop) -> bool { - if a.inner == b.inner { return true; } - if a.inner.is_null() || b.inner.is_null() { return false; } - if a.get_native_ref() == b.get_native_ref() { true } else { false } -} -/// Create a blinded path for an onion message, to be forwarded along `node_pks`. The last node -/// pubkey in `node_pks` will be the destination node. -/// -/// Errors if less than two hops are provided or if `node_pk`(s) are invalid. -#[must_use] -#[no_mangle] -pub extern "C" fn BlindedPath_new_for_message(mut node_pks: crate::c_types::derived::CVec_PublicKeyZ, entropy_source: &crate::lightning::sign::EntropySource) -> crate::c_types::derived::CResult_BlindedPathNoneZ { - let mut local_node_pks = Vec::new(); for mut item in node_pks.into_rust().drain(..) { local_node_pks.push( { item.into_rust() }); }; - let mut ret = lightning::blinded_path::BlindedPath::new_for_message(&local_node_pks[..], entropy_source, secp256k1::global::SECP256K1); - let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::blinded_path::BlindedPath { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() }; - local_ret -} - -#[no_mangle] -/// Serialize the BlindedPath object into a byte array which can be read by BlindedPath_read -pub extern "C" fn BlindedPath_write(obj: &crate::lightning::blinded_path::BlindedPath) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) -} -#[no_mangle] -pub(crate) extern "C" fn BlindedPath_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeBlindedPath) }) -} -#[no_mangle] -/// Read a BlindedPath from a byte array, created by BlindedPath_write -pub extern "C" fn BlindedPath_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_BlindedPathDecodeErrorZ { - let res: Result = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::blinded_path::BlindedPath { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; - local_res -} -#[no_mangle] -/// Serialize the BlindedHop object into a byte array which can be read by BlindedHop_read -pub extern "C" fn BlindedHop_write(obj: &crate::lightning::blinded_path::BlindedHop) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*obj }.get_native_ref()) -} -#[no_mangle] -pub(crate) extern "C" fn BlindedHop_write_void(obj: *const c_void) -> crate::c_types::derived::CVec_u8Z { - crate::c_types::serialize_obj(unsafe { &*(obj as *const nativeBlindedHop) }) -} -#[no_mangle] -/// Read a BlindedHop from a byte array, created by BlindedHop_write -pub extern "C" fn BlindedHop_read(ser: crate::c_types::u8slice) -> crate::c_types::derived::CResult_BlindedHopDecodeErrorZ { - let res: Result = crate::c_types::deserialize_obj(ser); - let mut local_res = match res { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::lightning::blinded_path::BlindedHop { inner: ObjOps::heap_alloc(o), is_owned: true } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { crate::lightning::ln::msgs::DecodeError::native_into(e) }).into() }; - local_res -}