use core::hash::Hash;
use crate::sync::{Mutex, RwLock};
use core::cmp;
-use core::convert::TryFrom;
use core::ops::Deref;
use alloc::collections::BTreeMap;
use bitcoin::secp256k1::constants::{PUBLIC_KEY_SIZE, SECRET_KEY_SIZE, COMPACT_SIGNATURE_SIZE, SCHNORR_SIGNATURE_SIZE};
use bitcoin::secp256k1::ecdsa;
use bitcoin::secp256k1::schnorr;
+use bitcoin::amount::Amount;
use bitcoin::blockdata::constants::ChainHash;
use bitcoin::blockdata::script::{self, ScriptBuf};
use bitcoin::blockdata::transaction::{OutPoint, Transaction, TxOut};
use bitcoin::consensus::Encodable;
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hash_types::{Txid, BlockHash};
-use core::marker::Sized;
use core::time::Duration;
use crate::chain::ClaimId;
use crate::ln::msgs::DecodeError;
#[cfg(taproot)]
use crate::ln::msgs::PartialSignatureWithNonce;
-use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
+use crate::ln::types::{PaymentPreimage, PaymentHash, PaymentSecret};
use crate::util::byte_utils::{be48_to_array, slice_to_be48};
use crate::util::string::UntrustedString;
/// forward to ensure we always consume exactly the fixed length specified.
///
/// This is not exported to bindings users as manual TLV building is not currently supported in bindings
-pub struct FixedLengthReader<R: Read> {
- read: R,
+pub struct FixedLengthReader<'a, R: Read> {
+ read: &'a mut R,
bytes_read: u64,
total_bytes: u64,
}
-impl<R: Read> FixedLengthReader<R> {
+impl<'a, R: Read> FixedLengthReader<'a, R> {
/// Returns a new [`FixedLengthReader`].
- pub fn new(read: R, total_bytes: u64) -> Self {
+ pub fn new(read: &'a mut R, total_bytes: u64) -> Self {
Self { read, bytes_read: 0, total_bytes }
}
}
}
}
-impl<R: Read> Read for FixedLengthReader<R> {
+impl<'a, R: Read> Read for FixedLengthReader<'a, R> {
#[inline]
fn read(&mut self, dest: &mut [u8]) -> Result<usize, io::Error> {
if self.total_bytes == self.bytes_read {
}
}
-impl<R: Read> LengthRead for FixedLengthReader<R> {
+impl<'a, R: Read> LengthRead for FixedLengthReader<'a, R> {
#[inline]
fn total_bytes(&self) -> u64 {
self.total_bytes
}
}
+// Alternatives to impl_writeable_for_vec/impl_readable_for_vec that add a length prefix to each
+// element in the Vec. Intended to be used when elements have variable lengths.
+macro_rules! impl_writeable_for_vec_with_element_length_prefix {
+ ($ty: ty $(, $name: ident)*) => {
+ impl<$($name : Writeable),*> Writeable for Vec<$ty> {
+ #[inline]
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+ CollectionLength(self.len() as u64).write(w)?;
+ for elem in self.iter() {
+ CollectionLength(elem.serialized_length() as u64).write(w)?;
+ elem.write(w)?;
+ }
+ Ok(())
+ }
+ }
+ }
+}
+macro_rules! impl_readable_for_vec_with_element_length_prefix {
+ ($ty: ty $(, $name: ident)*) => {
+ impl<$($name : Readable),*> Readable for Vec<$ty> {
+ #[inline]
+ fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+ let len: CollectionLength = Readable::read(r)?;
+ let mut ret = Vec::with_capacity(cmp::min(len.0 as usize, MAX_BUF_SIZE / core::mem::size_of::<$ty>()));
+ for _ in 0..len.0 {
+ let elem_len: CollectionLength = Readable::read(r)?;
+ let mut elem_reader = FixedLengthReader::new(r, elem_len.0);
+ if let Some(val) = MaybeReadable::read(&mut elem_reader)? {
+ ret.push(val);
+ }
+ }
+ Ok(ret)
+ }
+ }
+ }
+}
+macro_rules! impl_for_vec_with_element_length_prefix {
+ ($ty: ty $(, $name: ident)*) => {
+ impl_writeable_for_vec_with_element_length_prefix!($ty $(, $name)*);
+ impl_readable_for_vec_with_element_length_prefix!($ty $(, $name)*);
+ }
+}
+
impl Writeable for Vec<u8> {
#[inline]
fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
impl_for_vec!((A, B), A, B);
impl_writeable_for_vec!(&crate::routing::router::BlindedTail);
impl_readable_for_vec!(crate::routing::router::BlindedTail);
+impl_for_vec_with_element_length_prefix!(crate::ln::msgs::UpdateAddHTLC);
+impl_writeable_for_vec_with_element_length_prefix!(&crate::ln::msgs::UpdateAddHTLC);
impl Writeable for Vec<Witness> {
#[inline]
fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
(self.len() as u16).write(w)?;
for witness in self {
- (witness.serialized_len() as u16).write(w)?;
+ (witness.size() as u16).write(w)?;
witness.write(w)?;
}
Ok(())
// of witnesses. We'll just do a sanity check for the lengths and error if there is a mismatch.
let witness_len = <u16 as Readable>::read(r)? as usize;
let witness = <Witness as Readable>::read(r)?;
- if witness.serialized_len() != witness_len {
+ if witness.size() != witness_len {
return Err(DecodeError::BadLengthDescriptor);
}
witnesses.push(witness);
}
}
+impl Writeable for Amount {
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
+ self.to_sat().write(w)
+ }
+}
+
+
+impl Readable for Amount {
+ fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
+ let amount: u64 = Readable::read(r)?;
+ Ok(Amount::from_sat(amount))
+ }
+}
+
impl Writeable for Txid {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
w.write_all(&self[..])
#[cfg(test)]
mod tests {
- use core::convert::TryFrom;
use bitcoin::hashes::hex::FromHex;
use bitcoin::secp256k1::ecdsa;
use crate::util::ser::{Readable, Hostname, Writeable};
+ use crate::prelude::*;
#[test]
fn hostname_conversion() {
projects / rust-lightning / blobdiff