use ln::{PaymentHash, PaymentPreimage};
use ln::msgs::DecodeError;
-use util::ser::{Readable, Writeable, Writer, MAX_BUF_SIZE};
+use util::ser::{Readable, Writeable, Writer};
use util::byte_utils;
use bitcoin::hash_types::WPubkeyHash;
use ln::chan_utils;
use util::transaction_utils::sort_outputs;
use ln::channel::INITIAL_COMMITMENT_NUMBER;
-use std::io::Read;
use core::ops::Deref;
use chain;
-// Maximum size of a serialized HTLCOutputInCommitment
-pub(crate) const HTLC_OUTPUT_IN_COMMITMENT_SIZE: usize = 1 + 8 + 4 + 32 + 5;
-
pub(crate) const MAX_HTLCS: u16 = 483;
-// This checks that the buffer size is greater than the maximum possible size for serialized HTLCS
-const _EXCESS_BUFFER_SIZE: usize = MAX_BUF_SIZE - MAX_HTLCS as usize * HTLC_OUTPUT_IN_COMMITMENT_SIZE;
-
pub(super) const HTLC_SUCCESS_TX_WEIGHT: u64 = 703;
pub(super) const HTLC_TIMEOUT_TX_WEIGHT: u64 = 663;
}
}
-/// (C-not exported) as users never need to call this directly
-impl Writeable for Vec<HTLCOutputInCommitment> {
- #[inline]
- fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
- (self.len() as u16).write(w)?;
- for e in self.iter() {
- e.write(w)?;
- }
- Ok(())
- }
-}
-
-/// (C-not exported) as users never need to call this directly
-impl Readable for Vec<HTLCOutputInCommitment> {
- #[inline]
- fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
- let len: u16 = Readable::read(r)?;
- let byte_size = (len as usize)
- .checked_mul(HTLC_OUTPUT_IN_COMMITMENT_SIZE)
- .ok_or(DecodeError::BadLengthDescriptor)?;
- if byte_size > MAX_BUF_SIZE {
- return Err(DecodeError::BadLengthDescriptor);
- }
- let mut ret = Vec::with_capacity(len as usize);
- for _ in 0..len { ret.push(HTLCOutputInCommitment::read(r)?); }
- Ok(ret)
- }
-}
-
impl_writeable_tlv_based!(CommitmentTransaction, {
(0, commitment_number),
(2, to_broadcaster_value_sat),
(4, to_countersignatory_value_sat),
(6, feerate_per_kw),
- (8, htlcs),
- (10, keys),
- (12, built),
-}, {}, {});
+ (8, keys),
+ (10, built),
+}, {}, {
+ (12, htlcs),
+});
impl CommitmentTransaction {
/// Construct an object of the class while assigning transaction output indices to HTLCs.