+++ /dev/null
-pub mod derived;
-
-use bitcoin::Script as BitcoinScript;
-use bitcoin::Transaction as BitcoinTransaction;
-use bitcoin::hashes::Hash;
-use bitcoin::secp256k1::key::PublicKey as SecpPublicKey;
-use bitcoin::secp256k1::key::SecretKey as SecpSecretKey;
-use bitcoin::secp256k1::Signature as SecpSignature;
-use bitcoin::secp256k1::Error as SecpError;
-
-use std::convert::TryInto; // Bindings need at least rustc 1.34
-
-#[derive(Clone)]
-#[repr(C)]
-pub struct PublicKey {
- pub compressed_form: [u8; 33],
-}
-impl PublicKey {
- pub(crate) fn from_rust(pk: &SecpPublicKey) -> Self {
- Self {
- compressed_form: pk.serialize(),
- }
- }
- pub(crate) fn into_rust(&self) -> SecpPublicKey {
- SecpPublicKey::from_slice(&self.compressed_form).unwrap()
- }
- pub(crate) fn is_null(&self) -> bool { self.compressed_form[..] == [0; 33][..] }
- pub(crate) fn null() -> Self { Self { compressed_form: [0; 33] } }
-}
-
-#[repr(C)]
-pub struct SecretKey {
- pub bytes: [u8; 32],
-}
-impl SecretKey {
- // from_rust isn't implemented for a ref since we just return byte array refs directly
- pub(crate) fn from_rust(sk: SecpSecretKey) -> Self {
- let mut bytes = [0; 32];
- bytes.copy_from_slice(&sk[..]);
- Self { bytes }
- }
- pub(crate) fn into_rust(&self) -> SecpSecretKey {
- SecpSecretKey::from_slice(&self.bytes).unwrap()
- }
-}
-
-#[repr(C)]
-#[derive(Clone)]
-pub struct Signature {
- pub compact_form: [u8; 64],
-}
-impl Signature {
- pub(crate) fn from_rust(pk: &SecpSignature) -> Self {
- Self {
- compact_form: pk.serialize_compact(),
- }
- }
- pub(crate) fn into_rust(&self) -> SecpSignature {
- SecpSignature::from_compact(&self.compact_form).unwrap()
- }
- // The following are used for Option<Signature> which we support, but don't use anymore
- #[allow(unused)] pub(crate) fn is_null(&self) -> bool { self.compact_form[..] == [0; 64][..] }
- #[allow(unused)] pub(crate) fn null() -> Self { Self { compact_form: [0; 64] } }
-}
-
-#[repr(C)]
-pub enum Secp256k1Error {
- IncorrectSignature,
- InvalidMessage,
- InvalidPublicKey,
- InvalidSignature,
- InvalidSecretKey,
- InvalidRecoveryId,
- InvalidTweak,
- TweakCheckFailed,
- NotEnoughMemory,
-}
-impl Secp256k1Error {
- pub(crate) fn from_rust(err: SecpError) -> Self {
- match err {
- SecpError::IncorrectSignature => Secp256k1Error::IncorrectSignature,
- SecpError::InvalidMessage => Secp256k1Error::InvalidMessage,
- SecpError::InvalidPublicKey => Secp256k1Error::InvalidPublicKey,
- SecpError::InvalidSignature => Secp256k1Error::InvalidSignature,
- SecpError::InvalidSecretKey => Secp256k1Error::InvalidSecretKey,
- SecpError::InvalidRecoveryId => Secp256k1Error::InvalidRecoveryId,
- SecpError::InvalidTweak => Secp256k1Error::InvalidTweak,
- SecpError::TweakCheckFailed => Secp256k1Error::TweakCheckFailed,
- SecpError::NotEnoughMemory => Secp256k1Error::NotEnoughMemory,
- }
- }
-}
-
-#[repr(C)]
-/// A serialized transaction, in (pointer, length) form.
-///
-/// This type optionally owns its own memory, and thus the semantics around access change based on
-/// the `data_is_owned` flag. If `data_is_owned` is set, you must call `Transaction_free` to free
-/// the underlying buffer before the object goes out of scope. If `data_is_owned` is not set, any
-/// access to the buffer after the scope in which the object was provided to you is invalid. eg,
-/// access after you return from the call in which a `!data_is_owned` `Transaction` is provided to
-/// you would be invalid.
-///
-/// Note that, while it may change in the future, because transactions on the Rust side are stored
-/// in a deserialized form, all `Transaction`s generated on the Rust side will have `data_is_owned`
-/// set. Similarly, while it may change in the future, all `Transaction`s you pass to Rust may have
-/// `data_is_owned` either set or unset at your discretion.
-pub struct Transaction {
- /// This is non-const for your convenience, an object passed to Rust is never written to.
- pub data: *mut u8,
- pub datalen: usize,
- 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_vec(v: Vec<u8>) -> Self {
- let datalen = v.len();
- let data = Box::into_raw(v.into_boxed_slice());
- Self {
- data: unsafe { (*data).as_mut_ptr() },
- datalen,
- data_is_owned: true,
- }
- }
-}
-impl Drop for Transaction {
- fn drop(&mut self) {
- if self.data_is_owned && self.datalen != 0 {
- let _ = derived::CVec_u8Z { data: self.data as *mut u8, datalen: self.datalen };
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn Transaction_free(_res: Transaction) { }
-
-pub(crate) fn bitcoin_to_C_outpoint(outpoint: ::bitcoin::blockdata::transaction::OutPoint) -> crate::chain::transaction::OutPoint {
- crate::chain::transaction::OutPoint_new(ThirtyTwoBytes { data: outpoint.txid.into_inner() }, outpoint.vout.try_into().unwrap())
-}
-
-#[repr(C)]
-#[derive(Clone)]
-/// A transaction output including a scriptPubKey and value.
-/// This type *does* own its own memory, so must be free'd appropriately.
-pub struct TxOut {
- pub script_pubkey: derived::CVec_u8Z,
- pub value: u64,
-}
-
-impl TxOut {
- pub(crate) fn into_rust(mut self) -> ::bitcoin::blockdata::transaction::TxOut {
- ::bitcoin::blockdata::transaction::TxOut {
- script_pubkey: self.script_pubkey.into_rust().into(),
- value: self.value,
- }
- }
- pub(crate) fn from_rust(txout: ::bitcoin::blockdata::transaction::TxOut) -> Self {
- Self {
- script_pubkey: derived::CVec_u8Z::from(txout.script_pubkey.into_bytes()),
- value: txout.value
- }
- }
-}
-#[no_mangle]
-pub extern "C" fn TxOut_free(_res: TxOut) { }
-#[no_mangle]
-pub extern "C" fn TxOut_clone(orig: &TxOut) -> TxOut { orig.clone() }
-
-#[repr(C)]
-pub struct u8slice {
- pub data: *const u8,
- pub datalen: usize
-}
-impl u8slice {
- pub(crate) fn from_slice(s: &[u8]) -> Self {
- Self {
- data: s.as_ptr(),
- datalen: s.len(),
- }
- }
- pub(crate) fn to_slice(&self) -> &[u8] {
- if self.datalen == 0 { return &[]; }
- unsafe { std::slice::from_raw_parts(self.data, self.datalen) }
- }
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-/// Arbitrary 32 bytes, which could represent one of a few different things. You probably want to
-/// look up the corresponding function in rust-lightning's docs.
-pub struct ThirtyTwoBytes {
- pub data: [u8; 32],
-}
-impl ThirtyTwoBytes {
- pub(crate) fn null() -> Self {
- Self { data: [0; 32] }
- }
-}
-
-#[repr(C)]
-pub struct ThreeBytes { pub data: [u8; 3], }
-#[derive(Clone)]
-#[repr(C)]
-pub struct FourBytes { pub data: [u8; 4], }
-#[derive(Clone)]
-#[repr(C)]
-pub struct TenBytes { pub data: [u8; 10], }
-#[derive(Clone)]
-#[repr(C)]
-pub struct SixteenBytes { pub data: [u8; 16], }
-
-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> {
- self.0.extend_from_slice(buf);
- Ok(())
- }
- fn size_hint(&mut self, size: usize) {
- self.0.reserve_exact(size);
- }
-}
-pub(crate) fn serialize_obj<I: lightning::util::ser::Writeable>(i: &I) -> derived::CVec_u8Z {
- let mut out = VecWriter(Vec::new());
- i.write(&mut out).unwrap();
- derived::CVec_u8Z::from(out.0)
-}
-pub(crate) fn deserialize_obj<I: lightning::util::ser::Readable>(s: u8slice) -> Result<I, lightning::ln::msgs::DecodeError> {
- I::read(&mut s.to_slice())
-}
-pub(crate) fn deserialize_obj_arg<A, I: lightning::util::ser::ReadableArgs<A>>(s: u8slice, args: A) -> Result<I, lightning::ln::msgs::DecodeError> {
- I::read(&mut s.to_slice(), args)
-}
-
-#[repr(C)]
-#[derive(Copy, Clone)]
-/// A Rust str object, ie a reference to a UTF8-valid string.
-/// This is *not* null-terminated so cannot be used directly as a C string!
-pub struct Str {
- pub chars: *const u8,
- pub len: usize
-}
-impl Into<Str> for &'static str {
- fn into(self) -> Str {
- Str { chars: self.as_ptr(), len: self.len() }
- }
-}
-impl Into<&'static str> for Str {
- fn into(self) -> &'static str {
- if self.len == 0 { return ""; }
- std::str::from_utf8(unsafe { std::slice::from_raw_parts(self.chars, self.len) }).unwrap()
- }
-}
-
-// Note that the C++ headers memset(0) all the Templ types to avoid deallocation!
-// Thus, they must gracefully handle being completely null in _free.
-
-// TODO: Integer/bool primitives should avoid the pointer indirection for underlying types
-// everywhere in the containers.
-
-#[repr(C)]
-pub(crate) union CResultPtr<O, E> {
- pub(crate) result: *mut O,
- pub(crate) err: *mut E,
-}
-#[repr(C)]
-pub(crate) struct CResultTempl<O, E> {
- pub(crate) contents: CResultPtr<O, E>,
- pub(crate) result_ok: bool,
-}
-impl<O, E> CResultTempl<O, E> {
- pub(crate) extern "C" fn ok(o: O) -> Self {
- CResultTempl {
- contents: CResultPtr {
- result: Box::into_raw(Box::new(o)),
- },
- result_ok: true,
- }
- }
- pub(crate) extern "C" fn err(e: E) -> Self {
- CResultTempl {
- contents: CResultPtr {
- err: Box::into_raw(Box::new(e)),
- },
- result_ok: false,
- }
- }
-}
-impl<O, E> Drop for CResultTempl<O, E> {
- fn drop(&mut self) {
- if self.result_ok {
- if unsafe { !self.contents.result.is_null() } {
- unsafe { Box::from_raw(self.contents.result) };
- }
- } else if unsafe { !self.contents.err.is_null() } {
- unsafe { Box::from_raw(self.contents.err) };
- }
- }
-}
-
-/// Utility to make it easy to set a pointer to null and get its original value in line.
-pub(crate) trait TakePointer<T> {
- fn take_ptr(&mut self) -> T;
-}
-impl<T> TakePointer<*const T> for *const T {
- fn take_ptr(&mut self) -> *const T {
- let ret = *self;
- *self = std::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();
- ret
- }
-}
projects / rust-lightning / blobdiff