use std::default::Default;
use std::{cmp,mem,fmt};
use std::sync::{Arc};
+use std::ops::Deref;
#[cfg(test)]
pub struct ChannelValueStat {
}
// Constructors:
- pub fn new_outbound(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface<ChanKeySigner = ChanSigner>>, their_node_id: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, APIError> {
+ pub fn new_outbound<K: Deref, F: Deref>(fee_estimator: &F, keys_provider: &K, their_node_id: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, APIError>
+ where K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
+ F::Target: FeeEstimator,
+ {
let chan_keys = keys_provider.get_channel_keys(false, channel_value_satoshis);
if channel_value_satoshis >= MAX_FUNDING_SATOSHIS {
})
}
- fn check_remote_fee(fee_estimator: &FeeEstimator, feerate_per_kw: u32) -> Result<(), ChannelError> {
+ fn check_remote_fee<F: Deref>(fee_estimator: &F, feerate_per_kw: u32) -> Result<(), ChannelError>
+ where F::Target: FeeEstimator
+ {
if (feerate_per_kw as u64) < fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background) {
return Err(ChannelError::Close("Peer's feerate much too low"));
}
/// Creates a new channel from a remote sides' request for one.
/// Assumes chain_hash has already been checked and corresponds with what we expect!
- pub fn new_from_req(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface<ChanKeySigner = ChanSigner>>, their_node_id: PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, ChannelError> {
+ pub fn new_from_req<K: Deref, F: Deref>(fee_estimator: &F, keys_provider: &K, their_node_id: PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, ChannelError>
+ where K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
+ F::Target: FeeEstimator
+ {
let mut chan_keys = keys_provider.get_channel_keys(true, msg.funding_satoshis);
let their_pubkeys = ChannelPublicKeys {
funding_pubkey: msg.funding_pubkey,
Ok(())
}
- pub fn commitment_signed(&mut self, msg: &msgs::CommitmentSigned, fee_estimator: &FeeEstimator) -> Result<(msgs::RevokeAndACK, Option<msgs::CommitmentSigned>, Option<msgs::ClosingSigned>, ChannelMonitorUpdate), (Option<ChannelMonitorUpdate>, ChannelError)> {
+ pub fn commitment_signed<F: Deref>(&mut self, msg: &msgs::CommitmentSigned, fee_estimator: &F) -> Result<(msgs::RevokeAndACK, Option<msgs::CommitmentSigned>, Option<msgs::ClosingSigned>, ChannelMonitorUpdate), (Option<ChannelMonitorUpdate>, ChannelError)> where F::Target: FeeEstimator {
if (self.channel_state & (ChannelState::ChannelFunded as u32)) != (ChannelState::ChannelFunded as u32) {
return Err((None, ChannelError::Close("Got commitment signed message when channel was not in an operational state")));
}
/// waiting on this revoke_and_ack. The generation of this new commitment_signed may also fail,
/// generating an appropriate error *after* the channel state has been updated based on the
/// revoke_and_ack message.
- pub fn revoke_and_ack(&mut self, msg: &msgs::RevokeAndACK, fee_estimator: &FeeEstimator) -> Result<(Option<msgs::CommitmentUpdate>, Vec<(PendingHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>, Option<msgs::ClosingSigned>, ChannelMonitorUpdate), ChannelError> {
+ pub fn revoke_and_ack<F: Deref>(&mut self, msg: &msgs::RevokeAndACK, fee_estimator: &F) -> Result<(Option<msgs::CommitmentUpdate>, Vec<(PendingHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>, Option<msgs::ClosingSigned>, ChannelMonitorUpdate), ChannelError>
+ where F::Target: FeeEstimator
+ {
if (self.channel_state & (ChannelState::ChannelFunded as u32)) != (ChannelState::ChannelFunded as u32) {
return Err(ChannelError::Close("Got revoke/ACK message when channel was not in an operational state"));
}
(raa, commitment_update, order, forwards, failures, needs_broadcast_safe, funding_locked)
}
- pub fn update_fee(&mut self, fee_estimator: &FeeEstimator, msg: &msgs::UpdateFee) -> Result<(), ChannelError> {
+ pub fn update_fee<F: Deref>(&mut self, fee_estimator: &F, msg: &msgs::UpdateFee) -> Result<(), ChannelError>
+ where F::Target: FeeEstimator
+ {
if self.channel_outbound {
return Err(ChannelError::Close("Non-funding remote tried to update channel fee"));
}
}
}
- fn maybe_propose_first_closing_signed(&mut self, fee_estimator: &FeeEstimator) -> Option<msgs::ClosingSigned> {
+ fn maybe_propose_first_closing_signed<F: Deref>(&mut self, fee_estimator: &F) -> Option<msgs::ClosingSigned>
+ where F::Target: FeeEstimator
+ {
if !self.channel_outbound || !self.pending_inbound_htlcs.is_empty() || !self.pending_outbound_htlcs.is_empty() ||
self.channel_state & (BOTH_SIDES_SHUTDOWN_MASK | ChannelState::AwaitingRemoteRevoke as u32) != BOTH_SIDES_SHUTDOWN_MASK ||
self.last_sent_closing_fee.is_some() || self.pending_update_fee.is_some() {
})
}
- pub fn shutdown(&mut self, fee_estimator: &FeeEstimator, msg: &msgs::Shutdown) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>, Vec<(HTLCSource, PaymentHash)>), ChannelError> {
+ pub fn shutdown<F: Deref>(&mut self, fee_estimator: &F, msg: &msgs::Shutdown) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>, Vec<(HTLCSource, PaymentHash)>), ChannelError>
+ where F::Target: FeeEstimator
+ {
if self.channel_state & (ChannelState::PeerDisconnected as u32) == ChannelState::PeerDisconnected as u32 {
return Err(ChannelError::Close("Peer sent shutdown when we needed a channel_reestablish"));
}
tx.input[0].witness.push(self.get_funding_redeemscript().into_bytes());
}
- pub fn closing_signed(&mut self, fee_estimator: &FeeEstimator, msg: &msgs::ClosingSigned) -> Result<(Option<msgs::ClosingSigned>, Option<Transaction>), ChannelError> {
+ pub fn closing_signed<F: Deref>(&mut self, fee_estimator: &F, msg: &msgs::ClosingSigned) -> Result<(Option<msgs::ClosingSigned>, Option<Transaction>), ChannelError>
+ where F::Target: FeeEstimator
+ {
if self.channel_state & BOTH_SIDES_SHUTDOWN_MASK != BOTH_SIDES_SHUTDOWN_MASK {
return Err(ChannelError::Close("Remote end sent us a closing_signed before both sides provided a shutdown"));
}
/// Gets the fee we'd want to charge for adding an HTLC output to this Channel
/// Allowed in any state (including after shutdown)
- pub fn get_our_fee_base_msat(&self, fee_estimator: &FeeEstimator) -> u32 {
+ pub fn get_our_fee_base_msat<F: Deref>(&self, fee_estimator: &F) -> u32
+ where F::Target: FeeEstimator
+ {
// For lack of a better metric, we calculate what it would cost to consolidate the new HTLC
// output value back into a transaction with the regular channel output:
// Methods to get unprompted messages to send to the remote end (or where we already returned
// something in the handler for the message that prompted this message):
- pub fn get_open_channel(&self, chain_hash: Sha256dHash, fee_estimator: &FeeEstimator) -> msgs::OpenChannel {
+ pub fn get_open_channel<F: Deref>(&self, chain_hash: Sha256dHash, fee_estimator: &F) -> msgs::OpenChannel
+ where F::Target: FeeEstimator
+ {
if !self.channel_outbound {
panic!("Tried to open a channel for an inbound channel?");
}
}
}
-impl<R: ::std::io::Read> Readable<R> for InboundHTLCRemovalReason {
- fn read(reader: &mut R) -> Result<Self, DecodeError> {
- Ok(match <u8 as Readable<R>>::read(reader)? {
+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)?),
}
}
-impl<R : ::std::io::Read, ChanSigner: ChannelKeys + Readable<R>> ReadableArgs<R, Arc<Logger>> for Channel<ChanSigner> {
- fn read(reader: &mut R, logger: Arc<Logger>) -> Result<Self, DecodeError> {
+impl<ChanSigner: ChannelKeys + Readable> ReadableArgs<Arc<Logger>> for Channel<ChanSigner> {
+ fn read<R : ::std::io::Read>(reader: &mut R, logger: Arc<Logger>) -> Result<Self, DecodeError> {
let _ver: u8 = Readable::read(reader)?;
let min_ver: u8 = Readable::read(reader)?;
if min_ver > SERIALIZATION_VERSION {
amount_msat: Readable::read(reader)?,
cltv_expiry: Readable::read(reader)?,
payment_hash: Readable::read(reader)?,
- state: match <u8 as Readable<R>>::read(reader)? {
+ state: match <u8 as Readable>::read(reader)? {
1 => InboundHTLCState::AwaitingRemoteRevokeToAnnounce(Readable::read(reader)?),
2 => InboundHTLCState::AwaitingAnnouncedRemoteRevoke(Readable::read(reader)?),
3 => InboundHTLCState::Committed,
cltv_expiry: Readable::read(reader)?,
payment_hash: Readable::read(reader)?,
source: Readable::read(reader)?,
- state: match <u8 as Readable<R>>::read(reader)? {
+ state: match <u8 as Readable>::read(reader)? {
0 => OutboundHTLCState::LocalAnnounced(Box::new(Readable::read(reader)?)),
1 => OutboundHTLCState::Committed,
2 => OutboundHTLCState::RemoteRemoved(Readable::read(reader)?),
let holding_cell_htlc_update_count: u64 = Readable::read(reader)?;
let mut holding_cell_htlc_updates = Vec::with_capacity(cmp::min(holding_cell_htlc_update_count as usize, OUR_MAX_HTLCS as usize*2));
for _ in 0..holding_cell_htlc_update_count {
- holding_cell_htlc_updates.push(match <u8 as Readable<R>>::read(reader)? {
+ holding_cell_htlc_updates.push(match <u8 as Readable>::read(reader)? {
0 => HTLCUpdateAwaitingACK::AddHTLC {
amount_msat: Readable::read(reader)?,
cltv_expiry: Readable::read(reader)?,
});
}
- let resend_order = match <u8 as Readable<R>>::read(reader)? {
+ let resend_order = match <u8 as Readable>::read(reader)? {
0 => RAACommitmentOrder::CommitmentFirst,
1 => RAACommitmentOrder::RevokeAndACKFirst,
_ => return Err(DecodeError::InvalidValue),
let channel_update_count = Readable::read(reader)?;
let feerate_per_kw = Readable::read(reader)?;
- let last_sent_closing_fee = match <u8 as Readable<R>>::read(reader)? {
+ let last_sent_closing_fee = match <u8 as Readable>::read(reader)? {
0 => None,
1 => Some((Readable::read(reader)?, Readable::read(reader)?, Readable::read(reader)?)),
_ => return Err(DecodeError::InvalidValue),
assert_eq!(PublicKey::from_secret_key(&secp_ctx, chan_keys.funding_key()).serialize()[..],
hex::decode("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb").unwrap()[..]);
- let keys_provider: Arc<KeysInterface<ChanKeySigner = InMemoryChannelKeys>> = Arc::new(Keys { chan_keys });
+ let keys_provider = Keys { chan_keys };
let their_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap());
let mut config = UserConfig::default();
config.channel_options.announced_channel = false;
- let mut chan = Channel::<InMemoryChannelKeys>::new_outbound(&feeest, &keys_provider, their_node_id, 10000000, 100000, 42, Arc::clone(&logger), &config).unwrap(); // Nothing uses their network key in this test
+ let mut chan = Channel::<InMemoryChannelKeys>::new_outbound(&&feeest, &&keys_provider, their_node_id, 10000000, 100000, 42, Arc::clone(&logger), &config).unwrap(); // Nothing uses their network key in this test
chan.their_to_self_delay = 144;
chan.our_dust_limit_satoshis = 546;
projects / rust-lightning / blobdiff