--- /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.
+
+//! Utilities to generate inbound payment information in service of invoice creation.
+
+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::ln::inbound_payment::ExpandedKey as nativeExpandedKeyImport;
+pub(crate) type nativeExpandedKey = nativeExpandedKeyImport;
+
+/// A set of keys that were HKDF-expanded from an initial call to
+/// [`KeysInterface::get_inbound_payment_key_material`].
+///
+/// [`KeysInterface::get_inbound_payment_key_material`]: crate::chain::keysinterface::KeysInterface::get_inbound_payment_key_material
+#[must_use]
+#[repr(C)]
+pub struct ExpandedKey {
+ /// 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 nativeExpandedKey,
+ /// 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 ExpandedKey {
+ fn drop(&mut self) {
+ if self.is_owned && !<*mut nativeExpandedKey>::is_null(self.inner) {
+ let _ = unsafe { Box::from_raw(ObjOps::untweak_ptr(self.inner)) };
+ }
+ }
+}
+/// Frees any resources used by the ExpandedKey, if is_owned is set and inner is non-NULL.
+#[no_mangle]
+pub extern "C" fn ExpandedKey_free(this_obj: ExpandedKey) { }
+#[allow(unused)]
+/// Used only if an object of this type is returned as a trait impl by a method
+pub(crate) extern "C" fn ExpandedKey_free_void(this_ptr: *mut c_void) {
+ unsafe { let _ = Box::from_raw(this_ptr as *mut nativeExpandedKey); }
+}
+#[allow(unused)]
+impl ExpandedKey {
+ pub(crate) fn get_native_ref(&self) -> &'static nativeExpandedKey {
+ unsafe { &*ObjOps::untweak_ptr(self.inner) }
+ }
+ pub(crate) fn get_native_mut_ref(&self) -> &'static mut nativeExpandedKey {
+ 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 nativeExpandedKey {
+ assert!(self.is_owned);
+ let ret = ObjOps::untweak_ptr(self.inner);
+ self.inner = core::ptr::null_mut();
+ ret
+ }
+}
+/// Create a new [`ExpandedKey`] for generating an inbound payment hash and secret.
+///
+/// It is recommended to cache this value and not regenerate it for each new inbound payment.
+#[must_use]
+#[no_mangle]
+pub extern "C" fn ExpandedKey_new(key_material: *const [u8; 32]) -> crate::lightning::ln::inbound_payment::ExpandedKey {
+ let mut ret = lightning::ln::inbound_payment::ExpandedKey::new(&::lightning::chain::keysinterface::KeyMaterial( unsafe { *key_material }));
+ crate::lightning::ln::inbound_payment::ExpandedKey { inner: ObjOps::heap_alloc(ret), is_owned: true }
+}
+
+/// Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment`], but no
+/// `ChannelManager` is required. Useful for generating invoices for [phantom node payments] without
+/// a `ChannelManager`.
+///
+/// `keys` is generated by calling [`KeysInterface::get_inbound_payment_key_material`] and then
+/// calling [`ExpandedKey::new`] with its result. It is recommended to cache this value and not
+/// regenerate it for each new inbound payment.
+///
+/// `current_time` is a Unix timestamp representing the current time.
+///
+/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
+#[no_mangle]
+pub extern "C" fn create(keys: &crate::lightning::ln::inbound_payment::ExpandedKey, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut invoice_expiry_delta_secs: u32, keys_manager: &crate::lightning::chain::keysinterface::KeysInterface, mut current_time: u64) -> crate::c_types::derived::CResult_C2Tuple_PaymentHashPaymentSecretZNoneZ {
+ let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None };
+ let mut ret = lightning::ln::inbound_payment::create::<crate::lightning::chain::keysinterface::Sign, crate::lightning::chain::keysinterface::KeysInterface>(keys.get_native_ref(), local_min_value_msat, invoice_expiry_delta_secs, keys_manager, current_time);
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { let (mut orig_ret_0_0, mut orig_ret_0_1) = o; let mut local_ret_0 = (crate::c_types::ThirtyTwoBytes { data: orig_ret_0_0.0 }, crate::c_types::ThirtyTwoBytes { data: orig_ret_0_1.0 }).into(); local_ret_0 }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
+ local_ret
+}
+
+/// Equivalent to [`crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash`],
+/// but no `ChannelManager` is required. Useful for generating invoices for [phantom node payments]
+/// without a `ChannelManager`.
+///
+/// See [`create`] for information on the `keys` and `current_time` parameters.
+///
+/// [phantom node payments]: crate::chain::keysinterface::PhantomKeysManager
+#[no_mangle]
+pub extern "C" fn create_from_hash(keys: &crate::lightning::ln::inbound_payment::ExpandedKey, mut min_value_msat: crate::c_types::derived::COption_u64Z, mut payment_hash: crate::c_types::ThirtyTwoBytes, mut invoice_expiry_delta_secs: u32, mut current_time: u64) -> crate::c_types::derived::CResult_PaymentSecretNoneZ {
+ let mut local_min_value_msat = if min_value_msat.is_some() { Some( { min_value_msat.take() }) } else { None };
+ let mut ret = lightning::ln::inbound_payment::create_from_hash(keys.get_native_ref(), local_min_value_msat, ::lightning::ln::PaymentHash(payment_hash.data), invoice_expiry_delta_secs, current_time);
+ let mut local_ret = match ret { Ok(mut o) => crate::c_types::CResultTempl::ok( { crate::c_types::ThirtyTwoBytes { data: o.0 } }).into(), Err(mut e) => crate::c_types::CResultTempl::err( { () /*e*/ }).into() };
+ local_ret
+}
+
projects / ldk-c-bindings / blobdiff