use bitcoin::secp256k1::recovery::RecoverableSignature as SecpRecoverableSignature;
use bitcoin::bech32;
-use std::convert::TryInto; // Bindings need at least rustc 1.34
+use core::convert::TryInto; // Bindings need at least rustc 1.34
+use core::ffi::c_void;
-use std::io::{Cursor, Read}; // TODO: We should use core2 here when we support no_std
+#[cfg(feature = "std")]
+pub(crate) use std::io::{self, Cursor, Read};
+#[cfg(feature = "no-std")]
+pub(crate) use core2::io::{self, Cursor, Read};
+#[cfg(feature = "no-std")]
+use alloc::{boxed::Box, vec::Vec, string::String};
#[repr(C)]
/// A dummy struct of which an instance must never exist.
}
#[repr(C)]
+#[derive(Clone)]
/// Represents a valid secp256k1 secret key serialized as a 32 byte array.
pub struct SecretKey {
/// The bytes of the secret key
SecpError::NotEnoughMemory => Secp256k1Error::NotEnoughMemory,
}
}
+ pub(crate) fn into_rust(self) -> SecpError {
+ match self {
+ Secp256k1Error::IncorrectSignature => SecpError::IncorrectSignature,
+ Secp256k1Error::InvalidMessage => SecpError::InvalidMessage,
+ Secp256k1Error::InvalidPublicKey => SecpError::InvalidPublicKey,
+ Secp256k1Error::InvalidSignature => SecpError::InvalidSignature,
+ Secp256k1Error::InvalidSecretKey => SecpError::InvalidSecretKey,
+ Secp256k1Error::InvalidRecoveryId => SecpError::InvalidRecoveryId,
+ Secp256k1Error::InvalidTweak => SecpError::InvalidTweak,
+ Secp256k1Error::TweakCheckFailed => SecpError::TweakCheckFailed,
+ Secp256k1Error::NotEnoughMemory => SecpError::NotEnoughMemory,
+ }
+ }
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+/// Represents an error returned from the bech32 library during validation of some bech32 data
+pub enum Bech32Error {
+ /// String does not contain the separator character
+ MissingSeparator,
+ /// The checksum does not match the rest of the data
+ InvalidChecksum,
+ /// The data or human-readable part is too long or too short
+ InvalidLength,
+ /// Some part of the string contains an invalid character
+ InvalidChar(u32),
+ /// Some part of the data has an invalid value
+ InvalidData(u8),
+ /// The bit conversion failed due to a padding issue
+ InvalidPadding,
+ /// The whole string must be of one case
+ MixedCase,
+}
+impl Bech32Error {
+ pub(crate) fn from_rust(err: bech32::Error) -> Self {
+ match err {
+ bech32::Error::MissingSeparator => Self::MissingSeparator,
+ bech32::Error::InvalidChecksum => Self::InvalidChecksum,
+ bech32::Error::InvalidLength => Self::InvalidLength,
+ bech32::Error::InvalidChar(c) => Self::InvalidChar(c as u32),
+ bech32::Error::InvalidData(d) => Self::InvalidData(d),
+ bech32::Error::InvalidPadding => Self::InvalidPadding,
+ bech32::Error::MixedCase => Self::MixedCase,
+ }
+ }
+ pub(crate) fn into_rust(self) -> bech32::Error {
+ match self {
+ Self::MissingSeparator => bech32::Error::MissingSeparator,
+ Self::InvalidChecksum => bech32::Error::InvalidChecksum,
+ Self::InvalidLength => bech32::Error::InvalidLength,
+ Self::InvalidChar(c) => bech32::Error::InvalidChar(core::char::from_u32(c).expect("Invalid UTF-8 character in Bech32Error::InvalidChar")),
+ Self::InvalidData(d) => bech32::Error::InvalidData(d),
+ Self::InvalidPadding => bech32::Error::InvalidPadding,
+ Self::MixedCase => bech32::Error::MixedCase,
+ }
+ }
+}
+#[no_mangle]
+/// Creates a new Bech32Error which has the same data as `orig`
+pub extern "C" fn Bech32Error_clone(orig: &Bech32Error) -> Bech32Error { orig.clone() }
+#[no_mangle]
+/// Releases any memory held by the given `Bech32Error` (which is currently none)
+pub extern "C" fn Bech32Error_free(o: Bech32Error) { }
+
+#[repr(C)]
+#[derive(Clone, Copy, PartialEq)]
+/// Sub-errors which don't have specific information in them use this type.
+pub struct Error {
+ /// Zero-Sized_types aren't consistent across Rust/C/C++, so we add some size here
+ pub _dummy: u8,
}
#[repr(C)]
Other,
UnexpectedEof,
}
+#[cfg(feature = "std")]
impl IOError {
pub(crate) fn from_rust(err: std::io::Error) -> Self {
match err.kind() {
}
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()
+ ::bitcoin::consensus::encode::deserialize(unsafe { core::slice::from_raw_parts(self.data, self.datalen) }).unwrap()
}
pub(crate) fn from_bitcoin(btc: &BitcoinTransaction) -> Self {
let vec = ::bitcoin::consensus::encode::serialize(btc);
}
impl Clone for Transaction {
fn clone(&self) -> Self {
- let sl = unsafe { std::slice::from_raw_parts(self.data, self.datalen) };
+ let sl = unsafe { core::slice::from_raw_parts(self.data, self.datalen) };
let mut v = Vec::new();
v.extend_from_slice(&sl);
Self::from_vec(v)
}
pub(crate) fn to_slice(&self) -> &[u8] {
if self.datalen == 0 { return &[]; }
- unsafe { std::slice::from_raw_parts(self.data, self.datalen) }
+ unsafe { core::slice::from_raw_parts(self.data, self.datalen) }
}
pub(crate) fn to_reader<'a>(&'a self) -> Cursor<&'a [u8]> {
let sl = self.to_slice();
pub struct FourBytes { /** The four bytes */ pub data: [u8; 4], }
#[derive(Clone)]
#[repr(C)]
-/// A 10-byte byte array.
-pub struct TenBytes { /** The ten bytes */ pub data: [u8; 10], }
+/// A 12-byte byte array.
+pub struct TwelveBytes { /** The twelve bytes */ pub data: [u8; 12], }
#[derive(Clone)]
#[repr(C)]
/// A 16-byte byte array.
pub(crate) struct VecWriter(pub Vec<u8>);
impl lightning::util::ser::Writer for VecWriter {
- fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
+ fn write_all(&mut self, buf: &[u8]) -> Result<(), io::Error> {
self.0.extend_from_slice(buf);
Ok(())
}
impl Str {
pub(crate) fn into_str(&self) -> &'static str {
if self.len == 0 { return ""; }
- std::str::from_utf8(unsafe { std::slice::from_raw_parts(self.chars, self.len) }).unwrap()
+ core::str::from_utf8(unsafe { core::slice::from_raw_parts(self.chars, self.len) }).unwrap()
}
pub(crate) fn into_string(mut self) -> String {
let bytes = if self.len == 0 {
Vec::new()
} else if self.chars_is_owned {
let ret = unsafe {
- Box::from_raw(std::slice::from_raw_parts_mut(unsafe { self.chars as *mut u8 }, self.len))
+ Box::from_raw(core::slice::from_raw_parts_mut(unsafe { self.chars as *mut u8 }, self.len))
}.into();
self.chars_is_owned = false;
ret
} else {
let mut ret = Vec::with_capacity(self.len);
- ret.extend_from_slice(unsafe { std::slice::from_raw_parts(self.chars, self.len) });
+ ret.extend_from_slice(unsafe { core::slice::from_raw_parts(self.chars, self.len) });
ret
};
String::from_utf8(bytes).unwrap()
impl<T> TakePointer<*const T> for *const T {
fn take_ptr(&mut self) -> *const T {
let ret = *self;
- *self = std::ptr::null();
+ *self = core::ptr::null();
ret
}
}
impl<T> TakePointer<*mut T> for *mut T {
fn take_ptr(&mut self) -> *mut T {
let ret = *self;
- *self = std::ptr::null_mut();
+ *self = core::ptr::null_mut();
ret
}
}
pub(crate) mod ObjOps {
+ #[cfg(feature = "no-std")]
+ use alloc::boxed::Box;
+
#[inline]
#[must_use = "returns new dangling pointer"]
pub(crate) fn heap_alloc<T>(obj: T) -> *mut T {
}
}
+#[cfg(test_mod_pointers)]
+#[no_mangle]
+/// This function exists for memory safety testing purposes. It should never be used in production
+/// code
+pub extern "C" fn __unmangle_inner_ptr(ptr: *const c_void) -> *const c_void {
+ if ptr as usize == 1 {
+ core::ptr::null()
+ } else {
+ unsafe { ptr.cast::<u8>().sub(4096).cast::<c_void>() }
+ }
+}
+
pub(crate) struct SmartPtr<T> {
ptr: *mut T,
}
Self { ptr: Box::into_raw(Box::new(o)) }
}
pub(crate) fn null() -> Self {
- Self { ptr: std::ptr::null_mut() }
+ Self { ptr: core::ptr::null_mut() }
}
}
impl<T> Drop for SmartPtr<T> {
fn drop(&mut self) {
- if self.ptr != std::ptr::null_mut() {
+ if self.ptr != core::ptr::null_mut() {
unsafe { Box::from_raw(self.ptr); }
}
}
}
-impl<T> std::ops::Deref for SmartPtr<T> {
+impl<T> core::ops::Deref for SmartPtr<T> {
type Target = *mut T;
fn deref(&self) -> &*mut T {
&self.ptr
projects / ldk-c-bindings / blobdiff