use chain::keysinterface::{ChannelKeys, InMemoryChannelKeys};
use std::cmp;
-use std::sync::Mutex;
+use std::sync::{Mutex, Arc};
use bitcoin::blockdata::transaction::Transaction;
use secp256k1;
use secp256k1::key::{SecretKey, PublicKey};
use secp256k1::{Secp256k1, Signature};
+use util::ser::{Writeable, Writer, Readable};
+use std::io::Error;
+use ln::msgs::DecodeError;
/// Enforces some rules on ChannelKeys calls. Eventually we will probably want to expose a variant
/// of this which would essentially be what you'd want to run on a hardware wallet.
+#[derive(Clone)]
pub struct EnforcingChannelKeys {
pub inner: InMemoryChannelKeys,
- commitment_number_obscure_and_last: Mutex<(Option<u64>, u64)>,
+ commitment_number_obscure_and_last: Arc<Mutex<(Option<u64>, u64)>>,
}
impl EnforcingChannelKeys {
pub fn new(inner: InMemoryChannelKeys) -> Self {
Self {
inner,
- commitment_number_obscure_and_last: Mutex::new((None, 0)),
+ commitment_number_obscure_and_last: Arc::new(Mutex::new((None, 0))),
}
}
}
impl EnforcingChannelKeys {
fn check_keys<T: secp256k1::Signing + secp256k1::Verification>(&self, secp_ctx: &Secp256k1<T>,
keys: &TxCreationKeys) {
- let revocation_base = PublicKey::from_secret_key(secp_ctx, &self.inner.revocation_base_key);
- let payment_base = PublicKey::from_secret_key(secp_ctx, &self.inner.payment_base_key);
- let htlc_base = PublicKey::from_secret_key(secp_ctx, &self.inner.htlc_base_key);
+ let revocation_base = PublicKey::from_secret_key(secp_ctx, &self.inner.revocation_base_key());
+ let payment_base = PublicKey::from_secret_key(secp_ctx, &self.inner.payment_base_key());
+ let htlc_base = PublicKey::from_secret_key(secp_ctx, &self.inner.htlc_base_key());
let remote_points = self.inner.remote_channel_pubkeys.as_ref().unwrap();
fn delayed_payment_base_key(&self) -> &SecretKey { self.inner.delayed_payment_base_key() }
fn htlc_base_key(&self) -> &SecretKey { self.inner.htlc_base_key() }
fn commitment_seed(&self) -> &[u8; 32] { self.inner.commitment_seed() }
+ fn pubkeys<'a>(&'a self) -> &'a ChannelPublicKeys { self.inner.pubkeys() }
fn sign_remote_commitment<T: secp256k1::Signing + secp256k1::Verification>(&self, feerate_per_kw: u64, commitment_tx: &Transaction, keys: &TxCreationKeys, htlcs: &[&HTLCOutputInCommitment], to_self_delay: u16, secp_ctx: &Secp256k1<T>) -> Result<(Signature, Vec<Signature>), ()> {
if commitment_tx.input.len() != 1 { panic!("lightning commitment transactions have a single input"); }
}
}
+impl Writeable for EnforcingChannelKeys {
+ fn write<W: Writer>(&self, writer: &mut W) -> Result<(), Error> {
+ self.inner.write(writer)?;
+ let (obscure, last) = *self.commitment_number_obscure_and_last.lock().unwrap();
+ obscure.write(writer)?;
+ last.write(writer)?;
+ Ok(())
+ }
+}
-impl_writeable!(EnforcingChannelKeys, 0, {
- inner,
- commitment_number_obscure_and_last
-});
+impl<R: ::std::io::Read> Readable<R> for EnforcingChannelKeys {
+ fn read(reader: &mut R) -> Result<Self, DecodeError> {
+ let inner = Readable::read(reader)?;
+ let obscure_and_last = Readable::read(reader)?;
+ Ok(EnforcingChannelKeys {
+ inner: inner,
+ commitment_number_obscure_and_last: Arc::new(Mutex::new(obscure_and_last))
+ })
+ }
+}