use util::config::{UserConfig,ChannelConfig};
use util::scid_utils::scid_from_parts;
+use prelude::*;
use core::{cmp,mem,fmt};
use core::ops::Deref;
#[cfg(any(test, feature = "fuzztarget"))]
if msg.channel_reserve_satoshis > self.channel_value_satoshis {
return Err(ChannelError::Close(format!("Bogus channel_reserve_satoshis ({}). Must not be greater than ({})", msg.channel_reserve_satoshis, self.channel_value_satoshis)));
}
- if msg.dust_limit_satoshis > msg.channel_reserve_satoshis {
- return Err(ChannelError::Close(format!("Bogus channel_reserve ({}) and dust_limit ({})", msg.channel_reserve_satoshis, msg.dust_limit_satoshis)));
- }
if msg.channel_reserve_satoshis < self.holder_dust_limit_satoshis {
return Err(ChannelError::Close(format!("Peer never wants payout outputs? channel_reserve_satoshis was ({}). dust_limit is ({})", msg.channel_reserve_satoshis, self.holder_dust_limit_satoshis)));
}
/// closing).
/// Note that the "channel must be funded" requirement is stricter than BOLT 7 requires - see
/// https://github.com/lightningnetwork/lightning-rfc/issues/468
+ ///
+ /// This will only return ChannelError::Ignore upon failure.
pub fn get_channel_announcement(&self, node_id: PublicKey, chain_hash: BlockHash) -> Result<(msgs::UnsignedChannelAnnouncement, Signature), ChannelError> {
if !self.config.announced_channel {
return Err(ChannelError::Ignore("Channel is not available for public announcements".to_owned()));
Ok((msg, sig))
}
+ /// Signs the given channel announcement, returning a ChannelError::Ignore if no keys are
+ /// available.
fn sign_channel_announcement(&self, our_node_secret: &SecretKey, our_node_id: PublicKey, msghash: secp256k1::Message, announcement: msgs::UnsignedChannelAnnouncement, our_bitcoin_sig: Signature) -> Result<msgs::ChannelAnnouncement, ChannelError> {
if let Some((their_node_sig, their_bitcoin_sig)) = self.announcement_sigs {
let were_node_one = announcement.node_id_1 == our_node_id;
self.sign_channel_announcement(our_node_secret, our_node_id, msghash, announcement, our_bitcoin_sig)
}
+ /// Gets a signed channel_announcement for this channel, if we previously received an
+ /// announcement_signatures from our counterparty.
+ pub fn get_signed_channel_announcement(&self, our_node_secret: &SecretKey, our_node_id: PublicKey, chain_hash: BlockHash) -> Option<msgs::ChannelAnnouncement> {
+ let (announcement, our_bitcoin_sig) = match self.get_channel_announcement(our_node_id.clone(), chain_hash) {
+ Ok(res) => res,
+ Err(_) => return None,
+ };
+ let msghash = hash_to_message!(&Sha256d::hash(&announcement.encode()[..])[..]);
+ match self.sign_channel_announcement(our_node_secret, our_node_id, msghash, announcement, our_bitcoin_sig) {
+ Ok(res) => Some(res),
+ Err(_) => None,
+ }
+ }
+
/// May panic if called on a channel that wasn't immediately-previously
/// self.remove_uncommitted_htlcs_and_mark_paused()'d
pub fn get_channel_reestablish<L: Deref>(&self, logger: &L) -> msgs::ChannelReestablish where L::Target: Logger {
const SERIALIZATION_VERSION: u8 = 1;
const MIN_SERIALIZATION_VERSION: u8 = 1;
-impl Writeable for InboundHTLCRemovalReason {
- fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
- match self {
- &InboundHTLCRemovalReason::FailRelay(ref error_packet) => {
- 0u8.write(writer)?;
- error_packet.write(writer)?;
- },
- &InboundHTLCRemovalReason::FailMalformed((ref onion_hash, ref err_code)) => {
- 1u8.write(writer)?;
- onion_hash.write(writer)?;
- err_code.write(writer)?;
- },
- &InboundHTLCRemovalReason::Fulfill(ref payment_preimage) => {
- 2u8.write(writer)?;
- payment_preimage.write(writer)?;
- },
- }
- Ok(())
- }
-}
-
-impl Readable for InboundHTLCRemovalReason {
- fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
- Ok(match <u8 as Readable>::read(reader)? {
- 0 => InboundHTLCRemovalReason::FailRelay(Readable::read(reader)?),
- 1 => InboundHTLCRemovalReason::FailMalformed((Readable::read(reader)?, Readable::read(reader)?)),
- 2 => InboundHTLCRemovalReason::Fulfill(Readable::read(reader)?),
- _ => return Err(DecodeError::InvalidValue),
- })
- }
-}
+impl_writeable_tlv_based_enum!(InboundHTLCRemovalReason,;
+ (0, FailRelay),
+ (1, FailMalformed),
+ (2, Fulfill),
+);
impl Writeable for ChannelUpdateStatus {
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
&OutboundHTLCState::Committed => {
1u8.write(writer)?;
},
- &OutboundHTLCState::RemoteRemoved(ref fail_reason) => {
- 2u8.write(writer)?;
- fail_reason.write(writer)?;
+ &OutboundHTLCState::RemoteRemoved(_) => {
+ // Treat this as a Committed because we haven't received the CS - they'll
+ // resend the claim/fail on reconnect as we all (hopefully) the missing CS.
+ 1u8.write(writer)?;
},
&OutboundHTLCState::AwaitingRemoteRevokeToRemove(ref fail_reason) => {
3u8.write(writer)?;
self.channel_update_status.write(writer)?;
- write_tlv_fields!(writer, {}, {(0, self.announcement_sigs)});
+ write_tlv_fields!(writer, {(0, self.announcement_sigs, option)});
Ok(())
}
let channel_update_status = Readable::read(reader)?;
let mut announcement_sigs = None;
- read_tlv_fields!(reader, {}, {(0, announcement_sigs)});
+ read_tlv_fields!(reader, {(0, announcement_sigs, option)});
let mut secp_ctx = Secp256k1::new();
secp_ctx.seeded_randomize(&keys_source.get_secure_random_bytes());
use bitcoin::hashes::Hash;
use bitcoin::hash_types::{Txid, WPubkeyHash};
use std::sync::Arc;
+ use prelude::*;
struct TestFeeEstimator {
fee_est: u32
projects / rust-lightning / blobdiff