}
#[repr(C)]
+#[derive(Copy, Clone)]
/// Represents an error returned from libsecp256k1 during validation of some secp256k1 data
pub enum Secp256k1Error {
/// Signature failed verification
#[repr(C)]
#[allow(missing_docs)] // If there's no docs upstream, that's good enough for us
+#[derive(Clone, Copy, PartialEq)]
/// Represents an IO Error. Note that some information is lost in the conversion from Rust.
pub enum IOError {
NotFound,
_ => IOError::Other,
}
}
+ pub(crate) fn to_rust(&self) -> std::io::Error {
+ std::io::Error::new(match self {
+ IOError::NotFound => std::io::ErrorKind::NotFound,
+ IOError::PermissionDenied => std::io::ErrorKind::PermissionDenied,
+ IOError::ConnectionRefused => std::io::ErrorKind::ConnectionRefused,
+ IOError::ConnectionReset => std::io::ErrorKind::ConnectionReset,
+ IOError::ConnectionAborted => std::io::ErrorKind::ConnectionAborted,
+ IOError::NotConnected => std::io::ErrorKind::NotConnected,
+ IOError::AddrInUse => std::io::ErrorKind::AddrInUse,
+ IOError::AddrNotAvailable => std::io::ErrorKind::AddrNotAvailable,
+ IOError::BrokenPipe => std::io::ErrorKind::BrokenPipe,
+ IOError::AlreadyExists => std::io::ErrorKind::AlreadyExists,
+ IOError::WouldBlock => std::io::ErrorKind::WouldBlock,
+ IOError::InvalidInput => std::io::ErrorKind::InvalidInput,
+ IOError::InvalidData => std::io::ErrorKind::InvalidData,
+ IOError::TimedOut => std::io::ErrorKind::TimedOut,
+ IOError::WriteZero => std::io::ErrorKind::WriteZero,
+ IOError::Interrupted => std::io::ErrorKind::Interrupted,
+ IOError::Other => std::io::ErrorKind::Other,
+ IOError::UnexpectedEof => std::io::ErrorKind::UnexpectedEof,
+ }, "")
+ }
}
#[repr(C)]
pub data_is_owned: bool,
}
impl Transaction {
- pub(crate) fn into_bitcoin(&self) -> BitcoinTransaction {
- if self.datalen == 0 { panic!("0-length buffer can never represent a valid Transaction"); }
- ::bitcoin::consensus::encode::deserialize(unsafe { std::slice::from_raw_parts(self.data, self.datalen) }).unwrap()
- }
- pub(crate) fn from_bitcoin(btc: &BitcoinTransaction) -> Self {
- let vec = ::bitcoin::consensus::encode::serialize(btc);
+ fn from_vec(vec: Vec<u8>) -> Self {
let datalen = vec.len();
let data = Box::into_raw(vec.into_boxed_slice());
Self {
data_is_owned: true,
}
}
+ pub(crate) fn into_bitcoin(&self) -> BitcoinTransaction {
+ if self.datalen == 0 { panic!("0-length buffer can never represent a valid Transaction"); }
+ ::bitcoin::consensus::encode::deserialize(unsafe { std::slice::from_raw_parts(self.data, self.datalen) }).unwrap()
+ }
+ pub(crate) fn from_bitcoin(btc: &BitcoinTransaction) -> Self {
+ let vec = ::bitcoin::consensus::encode::serialize(btc);
+ Self::from_vec(vec)
+ }
}
impl Drop for Transaction {
fn drop(&mut self) {
}
}
}
+impl Clone for Transaction {
+ fn clone(&self) -> Self {
+ let sl = unsafe { std::slice::from_raw_parts(self.data, self.datalen) };
+ let mut v = Vec::new();
+ v.extend_from_slice(&sl);
+ Self::from_vec(v)
+ }
+}
#[no_mangle]
/// Frees the data buffer, if data_is_owned is set and datalen > 0.
pub extern "C" fn Transaction_free(_res: Transaction) { }
}
}
}
+
+#[no_mangle]
+/// Convenience function for constructing a new TxOut
+pub extern "C" fn TxOut_new(script_pubkey: derived::CVec_u8Z, value: u64) -> TxOut {
+ TxOut { script_pubkey, value }
+}
#[no_mangle]
/// Frees the data pointed to by script_pubkey.
pub extern "C" fn TxOut_free(_res: TxOut) { }
ret
}
}
+
+
+pub(crate) mod ObjOps {
+ #[inline]
+ #[must_use = "returns new dangling pointer"]
+ pub(crate) fn heap_alloc<T>(obj: T) -> *mut T {
+ let ptr = Box::into_raw(Box::new(obj));
+ nonnull_ptr_to_inner(ptr)
+ }
+ #[inline]
+ pub(crate) fn nonnull_ptr_to_inner<T>(ptr: *const T) -> *mut T {
+ if core::mem::size_of::<T>() == 0 {
+ // We map `None::<T>` as `T { inner: null, .. }` which works great for all
+ // non-Zero-Sized-Types `T`.
+ // For ZSTs, we need to differentiate between null implying `None` and null implying
+ // `Some` with no allocation.
+ // Thus, for ZSTs, we add one (usually) page here, which should always be aligned.
+ // Note that this relies on undefined behavior! A pointer to NULL may be valid, but a
+ // pointer to NULL + 4096 is almost certainly not. That said, Rust's existing use of
+ // `(*mut T)1` for the pointer we're adding to is also not defined, so we should be
+ // fine.
+ // Note that we add 4095 here as at least the Java client assumes that the low bit on
+ // any heap pointer is 0, which is generally provided by malloc, but which is not true
+ // for ZSTs "allocated" by `Box::new`.
+ debug_assert_eq!(ptr as usize, 1);
+ unsafe { (ptr as *mut T).cast::<u8>().add(4096 - 1).cast::<T>() }
+ } else {
+ // In order to get better test coverage, also increment non-ZST pointers with
+ // --cfg=test_mod_pointers, which is set in genbindings.sh for debug builds.
+ #[cfg(test_mod_pointers)]
+ unsafe { (ptr as *mut T).cast::<u8>().add(4096).cast::<T>() }
+ #[cfg(not(test_mod_pointers))]
+ unsafe { ptr as *mut T }
+ }
+ }
+ #[inline]
+ /// Invert nonnull_ptr_to_inner
+ pub(crate) fn untweak_ptr<T>(ptr: *mut T) -> *mut T {
+ if core::mem::size_of::<T>() == 0 {
+ unsafe { ptr.cast::<u8>().sub(4096 - 1).cast::<T>() }
+ } else {
+ #[cfg(test_mod_pointers)]
+ unsafe { ptr.cast::<u8>().sub(4096).cast::<T>() }
+ #[cfg(not(test_mod_pointers))]
+ ptr
+ }
+ }
+}
projects / ldk-c-bindings / blobdiff