use crate::events::{Event, EventHandler, EventsProvider, MessageSendEvent, MessageSendEventsProvider, ClosureReason, HTLCDestination, PaymentFailureReason};
// Since this struct is returned in `list_channels` methods, expose it here in case users want to
// construct one themselves.
-use crate::ln::{inbound_payment, PaymentHash, PaymentPreimage, PaymentSecret};
-use crate::ln::channel::{Channel, ChannelContext, ChannelError, ChannelUpdateStatus, ShutdownResult, UnfundedChannelContext, UpdateFulfillCommitFetch, OutboundV1Channel, InboundV1Channel};
+use crate::ln::{inbound_payment, ChannelId, PaymentHash, PaymentPreimage, PaymentSecret};
+use crate::ln::channel::{Channel, ChannelPhase, ChannelContext, ChannelError, ChannelUpdateStatus, ShutdownResult, UnfundedChannelContext, UpdateFulfillCommitFetch, OutboundV1Channel, InboundV1Channel};
use crate::ln::features::{ChannelFeatures, ChannelTypeFeatures, InitFeatures, NodeFeatures};
#[cfg(any(feature = "_test_utils", test))]
use crate::ln::features::Bolt11InvoiceFeatures;
use crate::ln::outbound_payment;
use crate::ln::outbound_payment::{OutboundPayments, PaymentAttempts, PendingOutboundPayment, SendAlongPathArgs};
use crate::ln::wire::Encode;
-use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient, SignerProvider, ChannelSigner, WriteableEcdsaChannelSigner};
+use crate::sign::{EntropySource, KeysManager, NodeSigner, Recipient, SignerProvider, WriteableEcdsaChannelSigner};
use crate::util::config::{UserConfig, ChannelConfig, ChannelConfigUpdate};
use crate::util::wakers::{Future, Notifier};
use crate::util::scid_utils::fake_scid;
}
/// Tracks the inbound corresponding to an outbound HTLC
-#[derive(Clone, Hash, PartialEq, Eq)]
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub(crate) struct HTLCPreviousHopData {
// Note that this may be an outbound SCID alias for the associated channel.
short_channel_id: u64,
+ user_channel_id: Option<u128>,
htlc_id: u64,
incoming_packet_shared_secret: [u8; 32],
phantom_shared_secret: Option<[u8; 32]>,
counterparty_skimmed_fee_msat: Option<u64>,
}
-/// A payment identifier used to uniquely identify a payment to LDK.
+impl From<&ClaimableHTLC> for events::ClaimedHTLC {
+ fn from(val: &ClaimableHTLC) -> Self {
+ events::ClaimedHTLC {
+ channel_id: val.prev_hop.outpoint.to_channel_id(),
+ user_channel_id: val.prev_hop.user_channel_id.unwrap_or(0),
+ cltv_expiry: val.cltv_expiry,
+ value_msat: val.value,
+ }
+ }
+}
+
+/// A user-provided identifier in [`ChannelManager::send_payment`] used to uniquely identify
+/// a payment and ensure idempotency in LDK.
///
/// This is not exported to bindings users as we just use [u8; 32] directly
#[derive(Hash, Copy, Clone, PartialEq, Eq, Debug)]
-pub struct PaymentId(pub [u8; 32]);
+pub struct PaymentId(pub [u8; Self::LENGTH]);
+
+impl PaymentId {
+ /// Number of bytes in the id.
+ pub const LENGTH: usize = 32;
+}
impl Writeable for PaymentId {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
}
}
+impl core::fmt::Display for PaymentId {
+ fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+ crate::util::logger::DebugBytes(&self.0).fmt(f)
+ }
+}
+
/// An identifier used to uniquely identify an intercepted HTLC to LDK.
///
/// This is not exported to bindings users as we just use [u8; 32] directly
}
}
-#[derive(Clone, Copy, PartialEq, Eq, Hash)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
/// Uniquely describes an HTLC by its source. Just the guaranteed-unique subset of [`HTLCSource`].
pub(crate) enum SentHTLCId {
PreviousHopData { short_channel_id: u64, htlc_id: u64 },
/// Tracks the inbound corresponding to an outbound HTLC
#[allow(clippy::derive_hash_xor_eq)] // Our Hash is faithful to the data, we just don't have SecretKey::hash
-#[derive(Clone, PartialEq, Eq)]
+#[derive(Clone, Debug, PartialEq, Eq)]
pub(crate) enum HTLCSource {
PreviousHopData(HTLCPreviousHopData),
OutboundRoute {
struct MsgHandleErrInternal {
err: msgs::LightningError,
- chan_id: Option<([u8; 32], u128)>, // If Some a channel of ours has been closed
+ chan_id: Option<(ChannelId, u128)>, // If Some a channel of ours has been closed
shutdown_finish: Option<(ShutdownResult, Option<msgs::ChannelUpdate>)>,
channel_capacity: Option<u64>,
}
impl MsgHandleErrInternal {
#[inline]
- fn send_err_msg_no_close(err: String, channel_id: [u8; 32]) -> Self {
+ fn send_err_msg_no_close(err: String, channel_id: ChannelId) -> Self {
Self {
err: LightningError {
err: err.clone(),
Self { err, chan_id: None, shutdown_finish: None, channel_capacity: None }
}
#[inline]
- fn from_finish_shutdown(err: String, channel_id: [u8; 32], user_channel_id: u128, shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>, channel_capacity: u64) -> Self {
+ fn from_finish_shutdown(err: String, channel_id: ChannelId, user_channel_id: u128, shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>, channel_capacity: u64) -> Self {
Self {
err: LightningError {
err: err.clone(),
}
}
#[inline]
- fn from_chan_no_close(err: ChannelError, channel_id: [u8; 32]) -> Self {
+ fn from_chan_no_close(err: ChannelError, channel_id: ChannelId) -> Self {
Self {
err: match err {
ChannelError::Warn(msg) => LightningError {
channel_capacity: None,
}
}
+
+ fn closes_channel(&self) -> bool {
+ self.chan_id.is_some()
+ }
}
/// We hold back HTLCs we intend to relay for a random interval greater than this (see
amount_msat: u64,
payment_purpose: events::PaymentPurpose,
receiver_node_id: PublicKey,
+ htlcs: Vec<events::ClaimedHTLC>,
+ sender_intended_value: Option<u64>,
}
impl_writeable_tlv_based!(ClaimingPayment, {
(0, amount_msat, required),
(2, payment_purpose, required),
(4, receiver_node_id, required),
+ (5, htlcs, optional_vec),
+ (7, sender_intended_value, option),
});
struct ClaimablePayment {
/// on a channel.
MonitorUpdatesComplete {
counterparty_node_id: PublicKey,
- channel_id: [u8; 32],
+ channel_id: ChannelId,
},
}
/// durably to disk.
ForwardedPaymentInboundClaim {
/// The upstream channel ID (i.e. the inbound edge).
- channel_id: [u8; 32],
+ channel_id: ChannelId,
/// The HTLC ID on the inbound edge.
htlc_id: u64,
},
}
impl RAAMonitorUpdateBlockingAction {
- #[allow(unused)]
fn from_prev_hop_data(prev_hop: &HTLCPreviousHopData) -> Self {
Self::ForwardedPaymentInboundClaim {
channel_id: prev_hop.outpoint.to_channel_id(),
/// State we hold per-peer.
-pub(super) struct PeerState<Signer: ChannelSigner> {
- /// `channel_id` -> `Channel`.
- ///
- /// Holds all funded channels where the peer is the counterparty.
- pub(super) channel_by_id: HashMap<[u8; 32], Channel<Signer>>,
- /// `temporary_channel_id` -> `OutboundV1Channel`.
- ///
- /// Holds all outbound V1 channels where the peer is the counterparty. Once an outbound channel has
- /// been assigned a `channel_id`, the entry in this map is removed and one is created in
- /// `channel_by_id`.
- pub(super) outbound_v1_channel_by_id: HashMap<[u8; 32], OutboundV1Channel<Signer>>,
- /// `temporary_channel_id` -> `InboundV1Channel`.
- ///
- /// Holds all inbound V1 channels where the peer is the counterparty. Once an inbound channel has
- /// been assigned a `channel_id`, the entry in this map is removed and one is created in
- /// `channel_by_id`.
- pub(super) inbound_v1_channel_by_id: HashMap<[u8; 32], InboundV1Channel<Signer>>,
+pub(super) struct PeerState<SP: Deref> where SP::Target: SignerProvider {
+ /// `channel_id` -> `ChannelPhase`
+ ///
+ /// Holds all channels within corresponding `ChannelPhase`s where the peer is the counterparty.
+ pub(super) channel_by_id: HashMap<ChannelId, ChannelPhase<SP>>,
/// `temporary_channel_id` -> `InboundChannelRequest`.
///
/// When manual channel acceptance is enabled, this holds all unaccepted inbound channels where
/// the peer is the counterparty. If the channel is accepted, then the entry in this table is
/// removed, and an InboundV1Channel is created and placed in the `inbound_v1_channel_by_id` table. If
/// the channel is rejected, then the entry is simply removed.
- pub(super) inbound_channel_request_by_id: HashMap<[u8; 32], InboundChannelRequest>,
+ pub(super) inbound_channel_request_by_id: HashMap<ChannelId, InboundChannelRequest>,
/// The latest `InitFeatures` we heard from the peer.
latest_features: InitFeatures,
/// Messages to send to the peer - pushed to in the same lock that they are generated in (except
/// same `temporary_channel_id` (or final `channel_id` in the case of 0conf channels or prior
/// to funding appearing on-chain), the downstream `ChannelMonitor` set is required to ensure
/// duplicates do not occur, so such channels should fail without a monitor update completing.
- monitor_update_blocked_actions: BTreeMap<[u8; 32], Vec<MonitorUpdateCompletionAction>>,
+ monitor_update_blocked_actions: BTreeMap<ChannelId, Vec<MonitorUpdateCompletionAction>>,
/// If another channel's [`ChannelMonitorUpdate`] needs to complete before a channel we have
/// with this peer can complete an RAA [`ChannelMonitorUpdate`] (e.g. because the RAA update
/// will remove a preimage that needs to be durably in an upstream channel first), we put an
/// entry here to note that the channel with the key's ID is blocked on a set of actions.
- actions_blocking_raa_monitor_updates: BTreeMap<[u8; 32], Vec<RAAMonitorUpdateBlockingAction>>,
+ actions_blocking_raa_monitor_updates: BTreeMap<ChannelId, Vec<RAAMonitorUpdateBlockingAction>>,
/// The peer is currently connected (i.e. we've seen a
/// [`ChannelMessageHandler::peer_connected`] and no corresponding
/// [`ChannelMessageHandler::peer_disconnected`].
is_connected: bool,
}
-impl <Signer: ChannelSigner> PeerState<Signer> {
+impl <SP: Deref> PeerState<SP> where SP::Target: SignerProvider {
/// Indicates that a peer meets the criteria where we're ok to remove it from our storage.
/// If true is passed for `require_disconnected`, the function will return false if we haven't
/// disconnected from the node already, ie. `PeerState::is_connected` is set to `true`.
if require_disconnected && self.is_connected {
return false
}
- self.channel_by_id.is_empty() && self.monitor_update_blocked_actions.is_empty()
+ self.channel_by_id.iter().filter(|(_, phase)| matches!(phase, ChannelPhase::Funded(_))).count() == 0
+ && self.monitor_update_blocked_actions.is_empty()
&& self.in_flight_monitor_updates.is_empty()
}
// Returns a count of all channels we have with this peer, including unfunded channels.
fn total_channel_count(&self) -> usize {
- self.channel_by_id.len() +
- self.outbound_v1_channel_by_id.len() +
- self.inbound_v1_channel_by_id.len() +
- self.inbound_channel_request_by_id.len()
+ self.channel_by_id.len() + self.inbound_channel_request_by_id.len()
}
// Returns a bool indicating if the given `channel_id` matches a channel we have with this peer.
- fn has_channel(&self, channel_id: &[u8; 32]) -> bool {
+ fn has_channel(&self, channel_id: &ChannelId) -> bool {
self.channel_by_id.contains_key(channel_id) ||
- self.outbound_v1_channel_by_id.contains_key(channel_id) ||
- self.inbound_v1_channel_by_id.contains_key(channel_id) ||
self.inbound_channel_request_by_id.contains_key(channel_id)
}
}
/// required to access the channel with the `counterparty_node_id`.
///
/// See `ChannelManager` struct-level documentation for lock order requirements.
- id_to_peer: Mutex<HashMap<[u8; 32], PublicKey>>,
+ id_to_peer: Mutex<HashMap<ChannelId, PublicKey>>,
/// SCIDs (and outbound SCID aliases) -> `counterparty_node_id`s and `channel_id`s.
///
///
/// See `ChannelManager` struct-level documentation for lock order requirements.
#[cfg(test)]
- pub(super) short_to_chan_info: FairRwLock<HashMap<u64, (PublicKey, [u8; 32])>>,
+ pub(super) short_to_chan_info: FairRwLock<HashMap<u64, (PublicKey, ChannelId)>>,
#[cfg(not(test))]
- short_to_chan_info: FairRwLock<HashMap<u64, (PublicKey, [u8; 32])>>,
+ short_to_chan_info: FairRwLock<HashMap<u64, (PublicKey, ChannelId)>>,
our_network_pubkey: PublicKey,
///
/// See `ChannelManager` struct-level documentation for lock order requirements.
#[cfg(not(any(test, feature = "_test_utils")))]
- per_peer_state: FairRwLock<HashMap<PublicKey, Mutex<PeerState<<SP::Target as SignerProvider>::Signer>>>>,
+ per_peer_state: FairRwLock<HashMap<PublicKey, Mutex<PeerState<SP>>>>,
#[cfg(any(test, feature = "_test_utils"))]
- pub(super) per_peer_state: FairRwLock<HashMap<PublicKey, Mutex<PeerState<<SP::Target as SignerProvider>::Signer>>>>,
+ pub(super) per_peer_state: FairRwLock<HashMap<PublicKey, Mutex<PeerState<SP>>>>,
/// The set of events which we need to give to the user to handle. In some cases an event may
/// require some further action after the user handles it (currently only blocking a monitor
/// could be in the middle of being processed without the direct mutex held.
///
/// See `ChannelManager` struct-level documentation for lock order requirements.
+ #[cfg(not(any(test, feature = "_test_utils")))]
pending_events: Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>,
+ #[cfg(any(test, feature = "_test_utils"))]
+ pub(crate) pending_events: Mutex<VecDeque<(events::Event, Option<EventCompletionAction>)>>,
+
/// A simple atomic flag to ensure only one task at a time can be processing events asynchronously.
pending_events_processor: AtomicBool,
background_events_processed_since_startup: AtomicBool,
- persistence_notifier: Notifier,
+ event_persist_notifier: Notifier,
+ needs_persist_flag: AtomicBool,
entropy_source: ES,
node_signer: NS,
#[must_use]
enum NotifyOption {
DoPersist,
- SkipPersist,
+ SkipPersistHandleEvents,
+ SkipPersistNoEvents,
}
/// Whenever we release the `ChannelManager`'s `total_consistency_lock`, from read mode, it is
/// We allow callers to either always notify by constructing with `notify_on_drop` or choose to
/// notify or not based on whether relevant changes have been made, providing a closure to
/// `optionally_notify` which returns a `NotifyOption`.
-struct PersistenceNotifierGuard<'a, F: Fn() -> NotifyOption> {
- persistence_notifier: &'a Notifier,
+struct PersistenceNotifierGuard<'a, F: FnMut() -> NotifyOption> {
+ event_persist_notifier: &'a Notifier,
+ needs_persist_flag: &'a AtomicBool,
should_persist: F,
// We hold onto this result so the lock doesn't get released immediately.
_read_guard: RwLockReadGuard<'a, ()>,
}
impl<'a> PersistenceNotifierGuard<'a, fn() -> NotifyOption> { // We don't care what the concrete F is here, it's unused
- fn notify_on_drop<C: AChannelManager>(cm: &'a C) -> PersistenceNotifierGuard<'a, impl Fn() -> NotifyOption> {
+ /// Notifies any waiters and indicates that we need to persist, in addition to possibly having
+ /// events to handle.
+ ///
+ /// This must always be called if the changes included a `ChannelMonitorUpdate`, as well as in
+ /// other cases where losing the changes on restart may result in a force-close or otherwise
+ /// isn't ideal.
+ fn notify_on_drop<C: AChannelManager>(cm: &'a C) -> PersistenceNotifierGuard<'a, impl FnMut() -> NotifyOption> {
+ Self::optionally_notify(cm, || -> NotifyOption { NotifyOption::DoPersist })
+ }
+
+ fn optionally_notify<F: FnMut() -> NotifyOption, C: AChannelManager>(cm: &'a C, mut persist_check: F)
+ -> PersistenceNotifierGuard<'a, impl FnMut() -> NotifyOption> {
let read_guard = cm.get_cm().total_consistency_lock.read().unwrap();
- let _ = cm.get_cm().process_background_events(); // We always persist
+ let force_notify = cm.get_cm().process_background_events();
PersistenceNotifierGuard {
- persistence_notifier: &cm.get_cm().persistence_notifier,
- should_persist: || -> NotifyOption { NotifyOption::DoPersist },
+ event_persist_notifier: &cm.get_cm().event_persist_notifier,
+ needs_persist_flag: &cm.get_cm().needs_persist_flag,
+ should_persist: move || {
+ // Pick the "most" action between `persist_check` and the background events
+ // processing and return that.
+ let notify = persist_check();
+ match (notify, force_notify) {
+ (NotifyOption::DoPersist, _) => NotifyOption::DoPersist,
+ (_, NotifyOption::DoPersist) => NotifyOption::DoPersist,
+ (NotifyOption::SkipPersistHandleEvents, _) => NotifyOption::SkipPersistHandleEvents,
+ (_, NotifyOption::SkipPersistHandleEvents) => NotifyOption::SkipPersistHandleEvents,
+ _ => NotifyOption::SkipPersistNoEvents,
+ }
+ },
_read_guard: read_guard,
}
-
}
/// Note that if any [`ChannelMonitorUpdate`]s are possibly generated,
- /// [`ChannelManager::process_background_events`] MUST be called first.
- fn optionally_notify<F: Fn() -> NotifyOption>(lock: &'a RwLock<()>, notifier: &'a Notifier, persist_check: F) -> PersistenceNotifierGuard<'a, F> {
- let read_guard = lock.read().unwrap();
+ /// [`ChannelManager::process_background_events`] MUST be called first (or
+ /// [`Self::optionally_notify`] used).
+ fn optionally_notify_skipping_background_events<F: Fn() -> NotifyOption, C: AChannelManager>
+ (cm: &'a C, persist_check: F) -> PersistenceNotifierGuard<'a, F> {
+ let read_guard = cm.get_cm().total_consistency_lock.read().unwrap();
PersistenceNotifierGuard {
- persistence_notifier: notifier,
+ event_persist_notifier: &cm.get_cm().event_persist_notifier,
+ needs_persist_flag: &cm.get_cm().needs_persist_flag,
should_persist: persist_check,
_read_guard: read_guard,
}
}
}
-impl<'a, F: Fn() -> NotifyOption> Drop for PersistenceNotifierGuard<'a, F> {
+impl<'a, F: FnMut() -> NotifyOption> Drop for PersistenceNotifierGuard<'a, F> {
fn drop(&mut self) {
- if (self.should_persist)() == NotifyOption::DoPersist {
- self.persistence_notifier.notify();
+ match (self.should_persist)() {
+ NotifyOption::DoPersist => {
+ self.needs_persist_flag.store(true, Ordering::Release);
+ self.event_persist_notifier.notify()
+ },
+ NotifyOption::SkipPersistHandleEvents =>
+ self.event_persist_notifier.notify(),
+ NotifyOption::SkipPersistNoEvents => {},
}
}
}
/// The number of ticks of [`ChannelManager::timer_tick_occurred`] until expiry of incomplete MPPs
pub(crate) const MPP_TIMEOUT_TICKS: u8 = 3;
-/// The number of ticks of [`ChannelManager::timer_tick_occurred`] until we time-out the
-/// idempotency of payments by [`PaymentId`]. See
-/// [`OutboundPayments::remove_stale_resolved_payments`].
-pub(crate) const IDEMPOTENCY_TIMEOUT_TICKS: u8 = 7;
-
/// The number of ticks of [`ChannelManager::timer_tick_occurred`] where a peer is disconnected
/// until we mark the channel disabled and gossip the update.
pub(crate) const DISABLE_GOSSIP_TICKS: u8 = 10;
/// thereafter this is the txid of the funding transaction xor the funding transaction output).
/// Note that this means this value is *not* persistent - it can change once during the
/// lifetime of the channel.
- pub channel_id: [u8; 32],
+ pub channel_id: ChannelId,
/// Parameters which apply to our counterparty. See individual fields for more information.
pub counterparty: ChannelCounterparty,
/// The Channel's funding transaction output, if we've negotiated the funding transaction with
self.short_channel_id.or(self.outbound_scid_alias)
}
- fn from_channel_context<Signer: WriteableEcdsaChannelSigner, F: Deref>(
- context: &ChannelContext<Signer>, best_block_height: u32, latest_features: InitFeatures,
+ fn from_channel_context<SP: Deref, F: Deref>(
+ context: &ChannelContext<SP>, best_block_height: u32, latest_features: InitFeatures,
fee_estimator: &LowerBoundedFeeEstimator<F>
) -> Self
- where F::Target: FeeEstimator
+ where
+ SP::Target: SignerProvider,
+ F::Target: FeeEstimator
{
let balance = context.get_available_balances(fee_estimator);
let (to_remote_reserve_satoshis, to_self_reserve_satoshis) =
/// These include payments that have yet to find a successful path, or have unresolved HTLCs.
#[derive(Debug, PartialEq)]
pub enum RecentPaymentDetails {
+ /// When an invoice was requested and thus a payment has not yet been sent.
+ AwaitingInvoice {
+ /// A user-provided identifier in [`ChannelManager::send_payment`] used to uniquely identify
+ /// a payment and ensure idempotency in LDK.
+ payment_id: PaymentId,
+ },
/// When a payment is still being sent and awaiting successful delivery.
Pending {
+ /// A user-provided identifier in [`ChannelManager::send_payment`] used to uniquely identify
+ /// a payment and ensure idempotency in LDK.
+ payment_id: PaymentId,
/// Hash of the payment that is currently being sent but has yet to be fulfilled or
/// abandoned.
payment_hash: PaymentHash,
/// been resolved. Upon receiving [`Event::PaymentSent`], we delay for a few minutes before the
/// payment is removed from tracking.
Fulfilled {
+ /// A user-provided identifier in [`ChannelManager::send_payment`] used to uniquely identify
+ /// a payment and ensure idempotency in LDK.
+ payment_id: PaymentId,
/// Hash of the payment that was claimed. `None` for serializations of [`ChannelManager`]
/// made before LDK version 0.0.104.
payment_hash: Option<PaymentHash>,
/// abandoned via [`ChannelManager::abandon_payment`], it is marked as abandoned until all
/// pending HTLCs for this payment resolve and an [`Event::PaymentFailed`] is generated.
Abandoned {
+ /// A user-provided identifier in [`ChannelManager::send_payment`] used to uniquely identify
+ /// a payment and ensure idempotency in LDK.
+ payment_id: PaymentId,
/// Hash of the payment that we have given up trying to send.
payment_hash: PaymentHash,
},
}
/// Returns (boolean indicating if we should remove the Channel object from memory, a mapped error)
-macro_rules! convert_chan_err {
- ($self: ident, $err: expr, $channel: expr, $channel_id: expr) => {
+macro_rules! convert_chan_phase_err {
+ ($self: ident, $err: expr, $channel: expr, $channel_id: expr, MANUAL_CHANNEL_UPDATE, $channel_update: expr) => {
match $err {
ChannelError::Warn(msg) => {
- (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Warn(msg), $channel_id.clone()))
+ (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Warn(msg), *$channel_id))
},
ChannelError::Ignore(msg) => {
- (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), $channel_id.clone()))
+ (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), *$channel_id))
},
ChannelError::Close(msg) => {
- log_error!($self.logger, "Closing channel {} due to close-required error: {}", log_bytes!($channel_id[..]), msg);
- update_maps_on_chan_removal!($self, &$channel.context);
+ log_error!($self.logger, "Closing channel {} due to close-required error: {}", $channel_id, msg);
+ update_maps_on_chan_removal!($self, $channel.context);
let shutdown_res = $channel.context.force_shutdown(true);
- (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, $channel.context.get_user_id(),
- shutdown_res, $self.get_channel_update_for_broadcast(&$channel).ok(), $channel.context.get_value_satoshis()))
+ let user_id = $channel.context.get_user_id();
+ let channel_capacity_satoshis = $channel.context.get_value_satoshis();
+
+ (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, user_id,
+ shutdown_res, $channel_update, channel_capacity_satoshis))
},
}
};
- ($self: ident, $err: expr, $channel_context: expr, $channel_id: expr, UNFUNDED) => {
- match $err {
- // We should only ever have `ChannelError::Close` when unfunded channels error.
- // In any case, just close the channel.
- ChannelError::Warn(msg) | ChannelError::Ignore(msg) | ChannelError::Close(msg) => {
- log_error!($self.logger, "Closing unfunded channel {} due to an error: {}", log_bytes!($channel_id[..]), msg);
- update_maps_on_chan_removal!($self, &$channel_context);
- let shutdown_res = $channel_context.force_shutdown(false);
- (true, MsgHandleErrInternal::from_finish_shutdown(msg, *$channel_id, $channel_context.get_user_id(),
- shutdown_res, None, $channel_context.get_value_satoshis()))
+ ($self: ident, $err: expr, $channel: expr, $channel_id: expr, FUNDED_CHANNEL) => {
+ convert_chan_phase_err!($self, $err, $channel, $channel_id, MANUAL_CHANNEL_UPDATE, { $self.get_channel_update_for_broadcast($channel).ok() })
+ };
+ ($self: ident, $err: expr, $channel: expr, $channel_id: expr, UNFUNDED_CHANNEL) => {
+ convert_chan_phase_err!($self, $err, $channel, $channel_id, MANUAL_CHANNEL_UPDATE, None)
+ };
+ ($self: ident, $err: expr, $channel_phase: expr, $channel_id: expr) => {
+ match $channel_phase {
+ ChannelPhase::Funded(channel) => {
+ convert_chan_phase_err!($self, $err, channel, $channel_id, FUNDED_CHANNEL)
+ },
+ ChannelPhase::UnfundedOutboundV1(channel) => {
+ convert_chan_phase_err!($self, $err, channel, $channel_id, UNFUNDED_CHANNEL)
+ },
+ ChannelPhase::UnfundedInboundV1(channel) => {
+ convert_chan_phase_err!($self, $err, channel, $channel_id, UNFUNDED_CHANNEL)
},
}
- }
+ };
}
-macro_rules! break_chan_entry {
+macro_rules! break_chan_phase_entry {
($self: ident, $res: expr, $entry: expr) => {
match $res {
Ok(res) => res,
Err(e) => {
- let (drop, res) = convert_chan_err!($self, e, $entry.get_mut(), $entry.key());
+ let key = *$entry.key();
+ let (drop, res) = convert_chan_phase_err!($self, e, $entry.get_mut(), &key);
if drop {
$entry.remove_entry();
}
}
}
-macro_rules! try_v1_outbound_chan_entry {
- ($self: ident, $res: expr, $entry: expr) => {
- match $res {
- Ok(res) => res,
- Err(e) => {
- let (drop, res) = convert_chan_err!($self, e, $entry.get_mut().context, $entry.key(), UNFUNDED);
- if drop {
- $entry.remove_entry();
- }
- return Err(res);
- }
- }
- }
-}
-
-macro_rules! try_chan_entry {
+macro_rules! try_chan_phase_entry {
($self: ident, $res: expr, $entry: expr) => {
match $res {
Ok(res) => res,
Err(e) => {
- let (drop, res) = convert_chan_err!($self, e, $entry.get_mut(), $entry.key());
+ let key = *$entry.key();
+ let (drop, res) = convert_chan_phase_err!($self, e, $entry.get_mut(), &key);
if drop {
$entry.remove_entry();
}
}
}
-macro_rules! remove_channel {
+macro_rules! remove_channel_phase {
($self: expr, $entry: expr) => {
{
let channel = $entry.remove_entry().1;
- update_maps_on_chan_removal!($self, &channel.context);
+ update_maps_on_chan_removal!($self, &channel.context());
channel
}
}
match $update_res {
ChannelMonitorUpdateStatus::InProgress => {
log_debug!($self.logger, "ChannelMonitor update for {} in flight, holding messages until the update completes.",
- log_bytes!($chan.context.channel_id()[..]));
+ &$chan.context.channel_id());
Ok(false)
},
ChannelMonitorUpdateStatus::PermanentFailure => {
log_error!($self.logger, "Closing channel {} due to monitor update ChannelMonitorUpdateStatus::PermanentFailure",
- log_bytes!($chan.context.channel_id()[..]));
+ &$chan.context.channel_id());
update_maps_on_chan_removal!($self, &$chan.context);
let res = Err(MsgHandleErrInternal::from_finish_shutdown(
"ChannelMonitor storage failure".to_owned(), $chan.context.channel_id(),
handle_monitor_update_completion!($self, $peer_state_lock, $peer_state, $per_peer_state_lock, $chan))
};
($self: ident, $update_res: expr, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan_entry: expr, INITIAL_MONITOR) => {
- handle_new_monitor_update!($self, $update_res, $peer_state_lock, $peer_state, $per_peer_state_lock, $chan_entry.get_mut(), MANUALLY_REMOVING_INITIAL_MONITOR, $chan_entry.remove_entry())
+ if let ChannelPhase::Funded(chan) = $chan_entry.get_mut() {
+ handle_new_monitor_update!($self, $update_res, $peer_state_lock, $peer_state,
+ $per_peer_state_lock, chan, MANUALLY_REMOVING_INITIAL_MONITOR, { $chan_entry.remove() })
+ } else {
+ // We're not supposed to handle monitor updates for unfunded channels (they have no monitors to
+ // update).
+ debug_assert!(false);
+ let channel_id = *$chan_entry.key();
+ let (_, err) = convert_chan_phase_err!($self, ChannelError::Close(
+ "Cannot update monitor for unfunded channels as they don't have monitors yet".into()),
+ $chan_entry.get_mut(), &channel_id);
+ $chan_entry.remove();
+ Err(err)
+ }
};
($self: ident, $funding_txo: expr, $update: expr, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan: expr, MANUALLY_REMOVING, $remove: expr) => { {
let in_flight_updates = $peer_state.in_flight_monitor_updates.entry($funding_txo)
})
} };
($self: ident, $funding_txo: expr, $update: expr, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan_entry: expr) => {
- handle_new_monitor_update!($self, $funding_txo, $update, $peer_state_lock, $peer_state, $per_peer_state_lock, $chan_entry.get_mut(), MANUALLY_REMOVING, $chan_entry.remove_entry())
+ if let ChannelPhase::Funded(chan) = $chan_entry.get_mut() {
+ handle_new_monitor_update!($self, $funding_txo, $update, $peer_state_lock, $peer_state,
+ $per_peer_state_lock, chan, MANUALLY_REMOVING, { $chan_entry.remove() })
+ } else {
+ // We're not supposed to handle monitor updates for unfunded channels (they have no monitors to
+ // update).
+ debug_assert!(false);
+ let channel_id = *$chan_entry.key();
+ let (_, err) = convert_chan_phase_err!($self, ChannelError::Close(
+ "Cannot update monitor for unfunded channels as they don't have monitors yet".into()),
+ $chan_entry.get_mut(), &channel_id);
+ $chan_entry.remove();
+ Err(err)
+ }
}
}
return;
}
- let mut result = NotifyOption::SkipPersist;
+ let mut result;
{
// We'll acquire our total consistency lock so that we can be sure no other
// Because `handle_post_event_actions` may send `ChannelMonitorUpdate`s to the user we must
// ensure any startup-generated background events are handled first.
- if $self.process_background_events() == NotifyOption::DoPersist { result = NotifyOption::DoPersist; }
+ result = $self.process_background_events();
// TODO: This behavior should be documented. It's unintuitive that we query
// ChannelMonitors when clearing other events.
processed_all_events = false;
}
- if result == NotifyOption::DoPersist {
- $self.persistence_notifier.notify();
+ match result {
+ NotifyOption::DoPersist => {
+ $self.needs_persist_flag.store(true, Ordering::Release);
+ $self.event_persist_notifier.notify();
+ },
+ NotifyOption::SkipPersistHandleEvents =>
+ $self.event_persist_notifier.notify(),
+ NotifyOption::SkipPersistNoEvents => {},
}
}
}
pending_background_events: Mutex::new(Vec::new()),
total_consistency_lock: RwLock::new(()),
background_events_processed_since_startup: AtomicBool::new(false),
- persistence_notifier: Notifier::new(),
+
+ event_persist_notifier: Notifier::new(),
+ needs_persist_flag: AtomicBool::new(false),
entropy_source,
node_signer,
/// [`Event::FundingGenerationReady::user_channel_id`]: events::Event::FundingGenerationReady::user_channel_id
/// [`Event::FundingGenerationReady::temporary_channel_id`]: events::Event::FundingGenerationReady::temporary_channel_id
/// [`Event::ChannelClosed::channel_id`]: events::Event::ChannelClosed::channel_id
- pub fn create_channel(&self, their_network_key: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_channel_id: u128, override_config: Option<UserConfig>) -> Result<[u8; 32], APIError> {
+ pub fn create_channel(&self, their_network_key: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_channel_id: u128, override_config: Option<UserConfig>) -> Result<ChannelId, APIError> {
if channel_value_satoshis < 1000 {
return Err(APIError::APIMisuseError { err: format!("Channel value must be at least 1000 satoshis. It was {}", channel_value_satoshis) });
}
let res = channel.get_open_channel(self.genesis_hash.clone());
let temporary_channel_id = channel.context.channel_id();
- match peer_state.outbound_v1_channel_by_id.entry(temporary_channel_id) {
+ match peer_state.channel_by_id.entry(temporary_channel_id) {
hash_map::Entry::Occupied(_) => {
if cfg!(fuzzing) {
return Err(APIError::APIMisuseError { err: "Fuzzy bad RNG".to_owned() });
panic!("RNG is bad???");
}
},
- hash_map::Entry::Vacant(entry) => { entry.insert(channel); }
+ hash_map::Entry::Vacant(entry) => { entry.insert(ChannelPhase::UnfundedOutboundV1(channel)); }
}
peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
Ok(temporary_channel_id)
}
- fn list_funded_channels_with_filter<Fn: FnMut(&(&[u8; 32], &Channel<<SP::Target as SignerProvider>::Signer>)) -> bool + Copy>(&self, f: Fn) -> Vec<ChannelDetails> {
+ fn list_funded_channels_with_filter<Fn: FnMut(&(&ChannelId, &Channel<SP>)) -> bool + Copy>(&self, f: Fn) -> Vec<ChannelDetails> {
// Allocate our best estimate of the number of channels we have in the `res`
// Vec. Sadly the `short_to_chan_info` map doesn't cover channels without
// a scid or a scid alias, and the `id_to_peer` shouldn't be used outside
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- // Only `Channels` in the channel_by_id map can be considered funded.
- for (_channel_id, channel) in peer_state.channel_by_id.iter().filter(f) {
- let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
- peer_state.latest_features.clone(), &self.fee_estimator);
- res.push(details);
- }
+ res.extend(peer_state.channel_by_id.iter()
+ .filter_map(|(chan_id, phase)| match phase {
+ // Only `Channels` in the `ChannelPhase::Funded` phase can be considered funded.
+ ChannelPhase::Funded(chan) => Some((chan_id, chan)),
+ _ => None,
+ })
+ .filter(f)
+ .map(|(_channel_id, channel)| {
+ ChannelDetails::from_channel_context(&channel.context, best_block_height,
+ peer_state.latest_features.clone(), &self.fee_estimator)
+ })
+ );
}
}
res
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for (_channel_id, channel) in peer_state.channel_by_id.iter() {
- let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
- peer_state.latest_features.clone(), &self.fee_estimator);
- res.push(details);
- }
- for (_channel_id, channel) in peer_state.inbound_v1_channel_by_id.iter() {
- let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
- peer_state.latest_features.clone(), &self.fee_estimator);
- res.push(details);
- }
- for (_channel_id, channel) in peer_state.outbound_v1_channel_by_id.iter() {
- let details = ChannelDetails::from_channel_context(&channel.context, best_block_height,
+ for context in peer_state.channel_by_id.iter().map(|(_, phase)| phase.context()) {
+ let details = ChannelDetails::from_channel_context(context, best_block_height,
peer_state.latest_features.clone(), &self.fee_estimator);
res.push(details);
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let features = &peer_state.latest_features;
- let chan_context_to_details = |context| {
+ let context_to_details = |context| {
ChannelDetails::from_channel_context(context, best_block_height, features.clone(), &self.fee_estimator)
};
return peer_state.channel_by_id
.iter()
- .map(|(_, channel)| &channel.context)
- .chain(peer_state.outbound_v1_channel_by_id.iter().map(|(_, channel)| &channel.context))
- .chain(peer_state.inbound_v1_channel_by_id.iter().map(|(_, channel)| &channel.context))
- .map(chan_context_to_details)
+ .map(|(_, phase)| phase.context())
+ .map(context_to_details)
.collect();
}
vec![]
/// [`Event::PaymentSent`]: events::Event::PaymentSent
pub fn list_recent_payments(&self) -> Vec<RecentPaymentDetails> {
self.pending_outbound_payments.pending_outbound_payments.lock().unwrap().iter()
- .filter_map(|(_, pending_outbound_payment)| match pending_outbound_payment {
+ .filter_map(|(payment_id, pending_outbound_payment)| match pending_outbound_payment {
+ PendingOutboundPayment::AwaitingInvoice { .. } => {
+ Some(RecentPaymentDetails::AwaitingInvoice { payment_id: *payment_id })
+ },
+ // InvoiceReceived is an intermediate state and doesn't need to be exposed
+ PendingOutboundPayment::InvoiceReceived { .. } => {
+ Some(RecentPaymentDetails::AwaitingInvoice { payment_id: *payment_id })
+ },
PendingOutboundPayment::Retryable { payment_hash, total_msat, .. } => {
Some(RecentPaymentDetails::Pending {
+ payment_id: *payment_id,
payment_hash: *payment_hash,
total_msat: *total_msat,
})
},
PendingOutboundPayment::Abandoned { payment_hash, .. } => {
- Some(RecentPaymentDetails::Abandoned { payment_hash: *payment_hash })
+ Some(RecentPaymentDetails::Abandoned { payment_id: *payment_id, payment_hash: *payment_hash })
},
PendingOutboundPayment::Fulfilled { payment_hash, .. } => {
- Some(RecentPaymentDetails::Fulfilled { payment_hash: *payment_hash })
+ Some(RecentPaymentDetails::Fulfilled { payment_id: *payment_id, payment_hash: *payment_hash })
},
PendingOutboundPayment::Legacy { .. } => None
})
}
/// Helper function that issues the channel close events
- fn issue_channel_close_events(&self, context: &ChannelContext<<SP::Target as SignerProvider>::Signer>, closure_reason: ClosureReason) {
+ fn issue_channel_close_events(&self, context: &ChannelContext<SP>, closure_reason: ClosureReason) {
let mut pending_events_lock = self.pending_events.lock().unwrap();
match context.unbroadcasted_funding() {
Some(transaction) => {
}, None));
}
- fn close_channel_internal(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey, target_feerate_sats_per_1000_weight: Option<u32>, override_shutdown_script: Option<ShutdownScript>) -> Result<(), APIError> {
+ fn close_channel_internal(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey, target_feerate_sats_per_1000_weight: Option<u32>, override_shutdown_script: Option<ShutdownScript>) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
let mut failed_htlcs: Vec<(HTLCSource, PaymentHash)>;
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(channel_id.clone()) {
- hash_map::Entry::Occupied(mut chan_entry) => {
- let funding_txo_opt = chan_entry.get().context.get_funding_txo();
- let their_features = &peer_state.latest_features;
- let (shutdown_msg, mut monitor_update_opt, htlcs) = chan_entry.get_mut()
- .get_shutdown(&self.signer_provider, their_features, target_feerate_sats_per_1000_weight, override_shutdown_script)?;
- failed_htlcs = htlcs;
-
- // We can send the `shutdown` message before updating the `ChannelMonitor`
- // here as we don't need the monitor update to complete until we send a
- // `shutdown_signed`, which we'll delay if we're pending a monitor update.
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
- node_id: *counterparty_node_id,
- msg: shutdown_msg,
- });
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let funding_txo_opt = chan.context.get_funding_txo();
+ let their_features = &peer_state.latest_features;
+ let (shutdown_msg, mut monitor_update_opt, htlcs) =
+ chan.get_shutdown(&self.signer_provider, their_features, target_feerate_sats_per_1000_weight, override_shutdown_script)?;
+ failed_htlcs = htlcs;
+
+ // We can send the `shutdown` message before updating the `ChannelMonitor`
+ // here as we don't need the monitor update to complete until we send a
+ // `shutdown_signed`, which we'll delay if we're pending a monitor update.
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: *counterparty_node_id,
+ msg: shutdown_msg,
+ });
- // Update the monitor with the shutdown script if necessary.
- if let Some(monitor_update) = monitor_update_opt.take() {
- break handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
- peer_state_lock, peer_state, per_peer_state, chan_entry).map(|_| ());
- }
+ // Update the monitor with the shutdown script if necessary.
+ if let Some(monitor_update) = monitor_update_opt.take() {
+ break handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
+ peer_state_lock, peer_state, per_peer_state, chan_phase_entry).map(|_| ());
+ }
- if chan_entry.get().is_shutdown() {
- let channel = remove_channel!(self, chan_entry);
- if let Ok(channel_update) = self.get_channel_update_for_broadcast(&channel) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: channel_update
- });
+ if chan.is_shutdown() {
+ if let ChannelPhase::Funded(chan) = remove_channel_phase!(self, chan_phase_entry) {
+ if let Ok(channel_update) = self.get_channel_update_for_broadcast(&chan) {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: channel_update
+ });
+ }
+ self.issue_channel_close_events(&chan.context, ClosureReason::HolderForceClosed);
+ }
}
- self.issue_channel_close_events(&channel.context, ClosureReason::HolderForceClosed);
+ break Ok(());
}
- break Ok(());
},
hash_map::Entry::Vacant(_) => (),
}
//
// An appropriate error will be returned for non-existence of the channel if that's the case.
return self.force_close_channel_with_peer(&channel_id, counterparty_node_id, None, false).map(|_| ())
- // TODO(dunxen): This is still not ideal as we're doing some extra lookups.
- // Fix this with https://github.com/lightningdevkit/rust-lightning/issues/2422
};
for htlc_source in failed_htlcs.drain(..) {
/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
/// [`SendShutdown`]: crate::events::MessageSendEvent::SendShutdown
- pub fn close_channel(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey) -> Result<(), APIError> {
+ pub fn close_channel(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey) -> Result<(), APIError> {
self.close_channel_internal(channel_id, counterparty_node_id, None, None)
}
/// [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
/// [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
/// [`SendShutdown`]: crate::events::MessageSendEvent::SendShutdown
- pub fn close_channel_with_feerate_and_script(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey, target_feerate_sats_per_1000_weight: Option<u32>, shutdown_script: Option<ShutdownScript>) -> Result<(), APIError> {
+ pub fn close_channel_with_feerate_and_script(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey, target_feerate_sats_per_1000_weight: Option<u32>, shutdown_script: Option<ShutdownScript>) -> Result<(), APIError> {
self.close_channel_internal(channel_id, counterparty_node_id, target_feerate_sats_per_1000_weight, shutdown_script)
}
/// `peer_msg` should be set when we receive a message from a peer, but not set when the
/// user closes, which will be re-exposed as the `ChannelClosed` reason.
- fn force_close_channel_with_peer(&self, channel_id: &[u8; 32], peer_node_id: &PublicKey, peer_msg: Option<&String>, broadcast: bool)
+ fn force_close_channel_with_peer(&self, channel_id: &ChannelId, peer_node_id: &PublicKey, peer_msg: Option<&String>, broadcast: bool)
-> Result<PublicKey, APIError> {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(peer_node_id)
} else {
ClosureReason::HolderForceClosed
};
- if let hash_map::Entry::Occupied(chan) = peer_state.channel_by_id.entry(channel_id.clone()) {
- log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
- self.issue_channel_close_events(&chan.get().context, closure_reason);
- let mut chan = remove_channel!(self, chan);
- self.finish_force_close_channel(chan.context.force_shutdown(broadcast));
- (self.get_channel_update_for_broadcast(&chan).ok(), chan.context.get_counterparty_node_id())
- } else if let hash_map::Entry::Occupied(chan) = peer_state.outbound_v1_channel_by_id.entry(channel_id.clone()) {
- log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
- self.issue_channel_close_events(&chan.get().context, closure_reason);
- let mut chan = remove_channel!(self, chan);
- self.finish_force_close_channel(chan.context.force_shutdown(false));
- // Unfunded channel has no update
- (None, chan.context.get_counterparty_node_id())
- } else if let hash_map::Entry::Occupied(chan) = peer_state.inbound_v1_channel_by_id.entry(channel_id.clone()) {
- log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
- self.issue_channel_close_events(&chan.get().context, closure_reason);
- let mut chan = remove_channel!(self, chan);
- self.finish_force_close_channel(chan.context.force_shutdown(false));
- // Unfunded channel has no update
- (None, chan.context.get_counterparty_node_id())
+ if let hash_map::Entry::Occupied(chan_phase_entry) = peer_state.channel_by_id.entry(channel_id.clone()) {
+ log_error!(self.logger, "Force-closing channel {}", channel_id);
+ self.issue_channel_close_events(&chan_phase_entry.get().context(), closure_reason);
+ let mut chan_phase = remove_channel_phase!(self, chan_phase_entry);
+ match chan_phase {
+ ChannelPhase::Funded(mut chan) => {
+ self.finish_force_close_channel(chan.context.force_shutdown(broadcast));
+ (self.get_channel_update_for_broadcast(&chan).ok(), chan.context.get_counterparty_node_id())
+ },
+ ChannelPhase::UnfundedOutboundV1(_) | ChannelPhase::UnfundedInboundV1(_) => {
+ self.finish_force_close_channel(chan_phase.context_mut().force_shutdown(false));
+ // Unfunded channel has no update
+ (None, chan_phase.context().get_counterparty_node_id())
+ },
+ }
} else if peer_state.inbound_channel_request_by_id.remove(channel_id).is_some() {
- log_error!(self.logger, "Force-closing channel {}", log_bytes!(channel_id[..]));
+ log_error!(self.logger, "Force-closing channel {}", &channel_id);
// N.B. that we don't send any channel close event here: we
// don't have a user_channel_id, and we never sent any opening
// events anyway.
(None, *peer_node_id)
} else {
- return Err(APIError::ChannelUnavailable{ err: format!("Channel with id {} not found for the passed counterparty node_id {}", log_bytes!(*channel_id), peer_node_id) });
+ return Err(APIError::ChannelUnavailable{ err: format!("Channel with id {} not found for the passed counterparty node_id {}", channel_id, peer_node_id) });
}
};
if let Some(update) = update_opt {
Ok(counterparty_node_id)
}
- fn force_close_sending_error(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey, broadcast: bool) -> Result<(), APIError> {
+ fn force_close_sending_error(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey, broadcast: bool) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
match self.force_close_channel_with_peer(channel_id, counterparty_node_id, None, broadcast) {
Ok(counterparty_node_id) => {
/// rejecting new HTLCs on the given channel. Fails if `channel_id` is unknown to
/// the manager, or if the `counterparty_node_id` isn't the counterparty of the corresponding
/// channel.
- pub fn force_close_broadcasting_latest_txn(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey)
+ pub fn force_close_broadcasting_latest_txn(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey)
-> Result<(), APIError> {
self.force_close_sending_error(channel_id, counterparty_node_id, true)
}
///
/// You can always get the latest local transaction(s) to broadcast from
/// [`ChannelMonitor::get_latest_holder_commitment_txn`].
- pub fn force_close_without_broadcasting_txn(&self, channel_id: &[u8; 32], counterparty_node_id: &PublicKey)
+ pub fn force_close_without_broadcasting_txn(&self, channel_id: &ChannelId, counterparty_node_id: &PublicKey)
-> Result<(), APIError> {
self.force_close_sending_error(channel_id, counterparty_node_id, false)
}
let (short_channel_id, amt_to_forward, outgoing_cltv_value) = match hop_data {
msgs::InboundOnionPayload::Forward { short_channel_id, amt_to_forward, outgoing_cltv_value } =>
(short_channel_id, amt_to_forward, outgoing_cltv_value),
- msgs::InboundOnionPayload::Receive { .. } =>
+ msgs::InboundOnionPayload::Receive { .. } | msgs::InboundOnionPayload::BlindedReceive { .. } =>
return Err(InboundOnionErr {
msg: "Final Node OnionHopData provided for us as an intermediary node",
err_code: 0x4000 | 22,
payment_data, keysend_preimage, custom_tlvs, amt_msat, outgoing_cltv_value, payment_metadata, ..
} =>
(payment_data, keysend_preimage, custom_tlvs, amt_msat, outgoing_cltv_value, payment_metadata),
- _ =>
+ msgs::InboundOnionPayload::BlindedReceive {
+ amt_msat, total_msat, outgoing_cltv_value, payment_secret, ..
+ } => {
+ let payment_data = msgs::FinalOnionHopData { payment_secret, total_msat };
+ (Some(payment_data), None, Vec::new(), amt_msat, outgoing_cltv_value, None)
+ }
+ msgs::InboundOnionPayload::Forward { .. } => {
return Err(InboundOnionErr {
err_code: 0x4000|22,
err_data: Vec::new(),
msg: "Got non final data with an HMAC of 0",
- }),
+ })
+ },
};
// final_incorrect_cltv_expiry
if outgoing_cltv_value > cltv_expiry {
}
}
- let next_hop = match onion_utils::decode_next_payment_hop(shared_secret, &msg.onion_routing_packet.hop_data[..], msg.onion_routing_packet.hmac, msg.payment_hash) {
+ let next_hop = match onion_utils::decode_next_payment_hop(
+ shared_secret, &msg.onion_routing_packet.hop_data[..], msg.onion_routing_packet.hmac,
+ msg.payment_hash, &self.node_signer
+ ) {
Ok(res) => res,
Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
return_malformed_err!(err_msg, err_code);
short_channel_id, amt_to_forward, outgoing_cltv_value
}, ..
} => {
- let next_pk = onion_utils::next_hop_packet_pubkey(&self.secp_ctx,
+ let next_packet_pk = onion_utils::next_hop_pubkey(&self.secp_ctx,
msg.onion_routing_packet.public_key.unwrap(), &shared_secret);
- (short_channel_id, amt_to_forward, outgoing_cltv_value, Some(next_pk))
+ (short_channel_id, amt_to_forward, outgoing_cltv_value, Some(next_packet_pk))
},
// We'll do receive checks in [`Self::construct_pending_htlc_info`] so we have access to the
// inbound channel's state.
onion_utils::Hop::Receive { .. } => return Ok((next_hop, shared_secret, None)),
- onion_utils::Hop::Forward { next_hop_data: msgs::InboundOnionPayload::Receive { .. }, .. } => {
+ onion_utils::Hop::Forward { next_hop_data: msgs::InboundOnionPayload::Receive { .. }, .. } |
+ onion_utils::Hop::Forward { next_hop_data: msgs::InboundOnionPayload::BlindedReceive { .. }, .. } =>
+ {
return_err!("Final Node OnionHopData provided for us as an intermediary node", 0x4000 | 22, &[0; 0]);
}
};
}
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let chan = match peer_state.channel_by_id.get_mut(&forwarding_id) {
+ let chan = match peer_state.channel_by_id.get_mut(&forwarding_id).map(
+ |chan_phase| if let ChannelPhase::Funded(chan) = chan_phase { Some(chan) } else { None }
+ ).flatten() {
None => {
// Channel was removed. The short_to_chan_info and channel_by_id maps
// have no consistency guarantees.
///
/// [`channel_update`]: msgs::ChannelUpdate
/// [`internal_closing_signed`]: Self::internal_closing_signed
- fn get_channel_update_for_broadcast(&self, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
+ fn get_channel_update_for_broadcast(&self, chan: &Channel<SP>) -> Result<msgs::ChannelUpdate, LightningError> {
if !chan.context.should_announce() {
return Err(LightningError {
err: "Cannot broadcast a channel_update for a private channel".to_owned(),
if chan.context.get_short_channel_id().is_none() {
return Err(LightningError{err: "Channel not yet established".to_owned(), action: msgs::ErrorAction::IgnoreError});
}
- log_trace!(self.logger, "Attempting to generate broadcast channel update for channel {}", log_bytes!(chan.context.channel_id()));
+ log_trace!(self.logger, "Attempting to generate broadcast channel update for channel {}", &chan.context.channel_id());
self.get_channel_update_for_unicast(chan)
}
///
/// [`channel_update`]: msgs::ChannelUpdate
/// [`internal_closing_signed`]: Self::internal_closing_signed
- fn get_channel_update_for_unicast(&self, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
- log_trace!(self.logger, "Attempting to generate channel update for channel {}", log_bytes!(chan.context.channel_id()));
+ fn get_channel_update_for_unicast(&self, chan: &Channel<SP>) -> Result<msgs::ChannelUpdate, LightningError> {
+ log_trace!(self.logger, "Attempting to generate channel update for channel {}", &chan.context.channel_id());
let short_channel_id = match chan.context.get_short_channel_id().or(chan.context.latest_inbound_scid_alias()) {
None => return Err(LightningError{err: "Channel not yet established".to_owned(), action: msgs::ErrorAction::IgnoreError}),
Some(id) => id,
self.get_channel_update_for_onion(short_channel_id, chan)
}
- fn get_channel_update_for_onion(&self, short_channel_id: u64, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> Result<msgs::ChannelUpdate, LightningError> {
- log_trace!(self.logger, "Generating channel update for channel {}", log_bytes!(chan.context.channel_id()));
+ fn get_channel_update_for_onion(&self, short_channel_id: u64, chan: &Channel<SP>) -> Result<msgs::ChannelUpdate, LightningError> {
+ log_trace!(self.logger, "Generating channel update for channel {}", &chan.context.channel_id());
let were_node_one = self.our_network_pubkey.serialize()[..] < chan.context.get_counterparty_node_id().serialize()[..];
let enabled = chan.context.is_usable() && match chan.channel_update_status() {
// The top-level caller should hold the total_consistency_lock read lock.
debug_assert!(self.total_consistency_lock.try_write().is_err());
- log_trace!(self.logger, "Attempting to send payment for path with next hop {}", path.hops.first().unwrap().short_channel_id);
+ log_trace!(self.logger,
+ "Attempting to send payment with payment hash {} along path with next hop {}",
+ payment_hash, path.hops.first().unwrap().short_channel_id);
let prng_seed = self.entropy_source.get_secure_random_bytes();
let session_priv = SecretKey::from_slice(&session_priv_bytes[..]).expect("RNG is busted");
.ok_or_else(|| APIError::ChannelUnavailable{err: "No peer matching the path's first hop found!".to_owned() })?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(id) {
- if !chan.get().context.is_live() {
- return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected".to_owned()});
- }
- let funding_txo = chan.get().context.get_funding_txo().unwrap();
- let send_res = chan.get_mut().send_htlc_and_commit(htlc_msat, payment_hash.clone(),
- htlc_cltv, HTLCSource::OutboundRoute {
- path: path.clone(),
- session_priv: session_priv.clone(),
- first_hop_htlc_msat: htlc_msat,
- payment_id,
- }, onion_packet, None, &self.fee_estimator, &self.logger);
- match break_chan_entry!(self, send_res, chan) {
- Some(monitor_update) => {
- match handle_new_monitor_update!(self, funding_txo, monitor_update, peer_state_lock, peer_state, per_peer_state, chan) {
- Err(e) => break Err(e),
- Ok(false) => {
- // Note that MonitorUpdateInProgress here indicates (per function
- // docs) that we will resend the commitment update once monitor
- // updating completes. Therefore, we must return an error
- // indicating that it is unsafe to retry the payment wholesale,
- // which we do in the send_payment check for
- // MonitorUpdateInProgress, below.
- return Err(APIError::MonitorUpdateInProgress);
+ if let hash_map::Entry::Occupied(mut chan_phase_entry) = peer_state.channel_by_id.entry(id) {
+ match chan_phase_entry.get_mut() {
+ ChannelPhase::Funded(chan) => {
+ if !chan.context.is_live() {
+ return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected".to_owned()});
+ }
+ let funding_txo = chan.context.get_funding_txo().unwrap();
+ let send_res = chan.send_htlc_and_commit(htlc_msat, payment_hash.clone(),
+ htlc_cltv, HTLCSource::OutboundRoute {
+ path: path.clone(),
+ session_priv: session_priv.clone(),
+ first_hop_htlc_msat: htlc_msat,
+ payment_id,
+ }, onion_packet, None, &self.fee_estimator, &self.logger);
+ match break_chan_phase_entry!(self, send_res, chan_phase_entry) {
+ Some(monitor_update) => {
+ match handle_new_monitor_update!(self, funding_txo, monitor_update, peer_state_lock, peer_state, per_peer_state, chan_phase_entry) {
+ Err(e) => break Err(e),
+ Ok(false) => {
+ // Note that MonitorUpdateInProgress here indicates (per function
+ // docs) that we will resend the commitment update once monitor
+ // updating completes. Therefore, we must return an error
+ // indicating that it is unsafe to retry the payment wholesale,
+ // which we do in the send_payment check for
+ // MonitorUpdateInProgress, below.
+ return Err(APIError::MonitorUpdateInProgress);
+ },
+ Ok(true) => {},
+ }
},
- Ok(true) => {},
+ None => {},
}
},
- None => { },
- }
+ _ => return Err(APIError::ChannelUnavailable{err: "Channel to first hop is unfunded".to_owned()}),
+ };
} else {
// The channel was likely removed after we fetched the id from the
// `short_to_chan_info` map, but before we successfully locked the
}
- /// Signals that no further retries for the given payment should occur. Useful if you have a
+ /// Signals that no further attempts for the given payment should occur. Useful if you have a
/// pending outbound payment with retries remaining, but wish to stop retrying the payment before
/// retries are exhausted.
///
+ /// # Event Generation
+ ///
/// If no [`Event::PaymentFailed`] event had been generated before, one will be generated as soon
/// as there are no remaining pending HTLCs for this payment.
///
/// wait until you receive either a [`Event::PaymentFailed`] or [`Event::PaymentSent`] event to
/// determine the ultimate status of a payment.
///
- /// If an [`Event::PaymentFailed`] event is generated and we restart without this
- /// [`ChannelManager`] having been persisted, another [`Event::PaymentFailed`] may be generated.
+ /// # Requested Invoices
///
- /// [`Event::PaymentFailed`]: events::Event::PaymentFailed
- /// [`Event::PaymentSent`]: events::Event::PaymentSent
+ /// In the case of paying a [`Bolt12Invoice`], abandoning the payment prior to receiving the
+ /// invoice will result in an [`Event::InvoiceRequestFailed`] and prevent any attempts at paying
+ /// it once received. The other events may only be generated once the invoice has been received.
+ ///
+ /// # Restart Behavior
+ ///
+ /// If an [`Event::PaymentFailed`] is generated and we restart without first persisting the
+ /// [`ChannelManager`], another [`Event::PaymentFailed`] may be generated; likewise for
+ /// [`Event::InvoiceRequestFailed`].
+ ///
+ /// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
pub fn abandon_payment(&self, payment_id: PaymentId) {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments.abandon_payment(payment_id, PaymentFailureReason::UserAbandoned, &self.pending_events);
/// Handles the generation of a funding transaction, optionally (for tests) with a function
/// which checks the correctness of the funding transaction given the associated channel.
- fn funding_transaction_generated_intern<FundingOutput: Fn(&OutboundV1Channel<<SP::Target as SignerProvider>::Signer>, &Transaction) -> Result<OutPoint, APIError>>(
- &self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, funding_transaction: Transaction, find_funding_output: FundingOutput
+ fn funding_transaction_generated_intern<FundingOutput: Fn(&OutboundV1Channel<SP>, &Transaction) -> Result<OutPoint, APIError>>(
+ &self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, funding_transaction: Transaction, find_funding_output: FundingOutput
) -> Result<(), APIError> {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- let (chan, msg) = match peer_state.outbound_v1_channel_by_id.remove(temporary_channel_id) {
- Some(chan) => {
+ let (chan, msg) = match peer_state.channel_by_id.remove(temporary_channel_id) {
+ Some(ChannelPhase::UnfundedOutboundV1(chan)) => {
let funding_txo = find_funding_output(&chan, &funding_transaction)?;
let funding_res = chan.get_funding_created(funding_transaction, funding_txo, &self.logger)
},
}
},
- None => {
- return Err(APIError::ChannelUnavailable {
+ Some(phase) => {
+ peer_state.channel_by_id.insert(*temporary_channel_id, phase);
+ return Err(APIError::APIMisuseError {
err: format!(
- "Channel with id {} not found for the passed counterparty node_id {}",
- log_bytes!(*temporary_channel_id), counterparty_node_id),
+ "Channel with id {} for the passed counterparty node_id {} is not an unfunded, outbound V1 channel",
+ temporary_channel_id, counterparty_node_id),
})
},
+ None => return Err(APIError::ChannelUnavailable {err: format!(
+ "Channel with id {} not found for the passed counterparty node_id {}",
+ temporary_channel_id, counterparty_node_id),
+ }),
};
peer_state.pending_msg_events.push(events::MessageSendEvent::SendFundingCreated {
if id_to_peer.insert(chan.context.channel_id(), chan.context.get_counterparty_node_id()).is_some() {
panic!("id_to_peer map already contained funding txid, which shouldn't be possible");
}
- e.insert(chan);
+ e.insert(ChannelPhase::Funded(chan));
}
}
Ok(())
}
#[cfg(test)]
- pub(crate) fn funding_transaction_generated_unchecked(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, funding_transaction: Transaction, output_index: u16) -> Result<(), APIError> {
+ pub(crate) fn funding_transaction_generated_unchecked(&self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, funding_transaction: Transaction, output_index: u16) -> Result<(), APIError> {
self.funding_transaction_generated_intern(temporary_channel_id, counterparty_node_id, funding_transaction, |_, tx| {
Ok(OutPoint { txid: tx.txid(), index: output_index })
})
///
/// [`Event::FundingGenerationReady`]: crate::events::Event::FundingGenerationReady
/// [`Event::ChannelClosed`]: crate::events::Event::ChannelClosed
- pub fn funding_transaction_generated(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, funding_transaction: Transaction) -> Result<(), APIError> {
+ pub fn funding_transaction_generated(&self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, funding_transaction: Transaction) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- for inp in funding_transaction.input.iter() {
- if inp.witness.is_empty() {
- return Err(APIError::APIMisuseError {
- err: "Funding transaction must be fully signed and spend Segwit outputs".to_owned()
- });
+ if !funding_transaction.is_coin_base() {
+ for inp in funding_transaction.input.iter() {
+ if inp.witness.is_empty() {
+ return Err(APIError::APIMisuseError {
+ err: "Funding transaction must be fully signed and spend Segwit outputs".to_owned()
+ });
+ }
}
}
{
/// [`ChannelUnavailable`]: APIError::ChannelUnavailable
/// [`APIMisuseError`]: APIError::APIMisuseError
pub fn update_partial_channel_config(
- &self, counterparty_node_id: &PublicKey, channel_ids: &[[u8; 32]], config_update: &ChannelConfigUpdate,
+ &self, counterparty_node_id: &PublicKey, channel_ids: &[ChannelId], config_update: &ChannelConfigUpdate,
) -> Result<(), APIError> {
if config_update.cltv_expiry_delta.map(|delta| delta < MIN_CLTV_EXPIRY_DELTA).unwrap_or(false) {
return Err(APIError::APIMisuseError {
for channel_id in channel_ids {
if !peer_state.has_channel(channel_id) {
return Err(APIError::ChannelUnavailable {
- err: format!("Channel with ID {} was not found for the passed counterparty_node_id {}", log_bytes!(*channel_id), counterparty_node_id),
+ err: format!("Channel with ID {} was not found for the passed counterparty_node_id {}", channel_id, counterparty_node_id),
});
};
}
for channel_id in channel_ids {
- if let Some(channel) = peer_state.channel_by_id.get_mut(channel_id) {
- let mut config = channel.context.config();
+ if let Some(channel_phase) = peer_state.channel_by_id.get_mut(channel_id) {
+ let mut config = channel_phase.context().config();
config.apply(config_update);
- if !channel.context.update_config(&config) {
+ if !channel_phase.context_mut().update_config(&config) {
continue;
}
- if let Ok(msg) = self.get_channel_update_for_broadcast(channel) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { msg });
- } else if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
- node_id: channel.context.get_counterparty_node_id(),
- msg,
- });
+ if let ChannelPhase::Funded(channel) = channel_phase {
+ if let Ok(msg) = self.get_channel_update_for_broadcast(channel) {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate { msg });
+ } else if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
+ node_id: channel.context.get_counterparty_node_id(),
+ msg,
+ });
+ }
}
continue;
- }
-
- let context = if let Some(channel) = peer_state.inbound_v1_channel_by_id.get_mut(channel_id) {
- &mut channel.context
- } else if let Some(channel) = peer_state.outbound_v1_channel_by_id.get_mut(channel_id) {
- &mut channel.context
} else {
// This should not be reachable as we've already checked for non-existence in the previous channel_id loop.
debug_assert!(false);
return Err(APIError::ChannelUnavailable {
err: format!(
"Channel with ID {} for passed counterparty_node_id {} disappeared after we confirmed its existence - this should not be reachable!",
- log_bytes!(*channel_id), counterparty_node_id),
+ channel_id, counterparty_node_id),
});
};
- let mut config = context.config();
- config.apply(config_update);
- // We update the config, but we MUST NOT broadcast a `channel_update` before `channel_ready`
- // which would be the case for pending inbound/outbound channels.
- context.update_config(&config);
}
Ok(())
}
/// [`ChannelUnavailable`]: APIError::ChannelUnavailable
/// [`APIMisuseError`]: APIError::APIMisuseError
pub fn update_channel_config(
- &self, counterparty_node_id: &PublicKey, channel_ids: &[[u8; 32]], config: &ChannelConfig,
+ &self, counterparty_node_id: &PublicKey, channel_ids: &[ChannelId], config: &ChannelConfig,
) -> Result<(), APIError> {
return self.update_partial_channel_config(counterparty_node_id, channel_ids, &(*config).into());
}
/// [`HTLCIntercepted::expected_outbound_amount_msat`]: events::Event::HTLCIntercepted::expected_outbound_amount_msat
// TODO: when we move to deciding the best outbound channel at forward time, only take
// `next_node_id` and not `next_hop_channel_id`
- pub fn forward_intercepted_htlc(&self, intercept_id: InterceptId, next_hop_channel_id: &[u8; 32], next_node_id: PublicKey, amt_to_forward_msat: u64) -> Result<(), APIError> {
+ pub fn forward_intercepted_htlc(&self, intercept_id: InterceptId, next_hop_channel_id: &ChannelId, next_node_id: PublicKey, amt_to_forward_msat: u64) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
let next_hop_scid = {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.get(next_hop_channel_id) {
- Some(chan) => {
+ Some(ChannelPhase::Funded(chan)) => {
if !chan.context.is_usable() {
return Err(APIError::ChannelUnavailable {
- err: format!("Channel with id {} not fully established", log_bytes!(*next_hop_channel_id))
+ err: format!("Channel with id {} not fully established", next_hop_channel_id)
})
}
chan.context.get_short_channel_id().unwrap_or(chan.context.outbound_scid_alias())
},
+ Some(_) => return Err(APIError::ChannelUnavailable {
+ err: format!("Channel with id {} for the passed counterparty node_id {} is still opening.",
+ next_hop_channel_id, next_node_id)
+ }),
None => return Err(APIError::ChannelUnavailable {
- err: format!("Funded channel with id {} not found for the passed counterparty node_id {}. Channel may still be opening.",
- log_bytes!(*next_hop_channel_id), next_node_id)
+ err: format!("Channel with id {} not found for the passed counterparty node_id {}.",
+ next_hop_channel_id, next_node_id)
})
}
};
if let PendingHTLCRouting::Forward { short_channel_id, .. } = payment.forward_info.routing {
let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: payment.prev_short_channel_id,
+ user_channel_id: Some(payment.prev_user_channel_id),
outpoint: payment.prev_funding_outpoint,
htlc_id: payment.prev_htlc_id,
incoming_packet_shared_secret: payment.forward_info.incoming_shared_secret,
let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: prev_short_channel_id,
+ user_channel_id: Some(prev_user_channel_id),
outpoint: prev_funding_outpoint,
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: incoming_shared_secret,
let phantom_pubkey_res = self.node_signer.get_node_id(Recipient::PhantomNode);
if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.genesis_hash) {
let phantom_shared_secret = self.node_signer.ecdh(Recipient::PhantomNode, &onion_packet.public_key.unwrap(), None).unwrap().secret_bytes();
- let next_hop = match onion_utils::decode_next_payment_hop(phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac, payment_hash) {
+ let next_hop = match onion_utils::decode_next_payment_hop(
+ phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac,
+ payment_hash, &self.node_signer
+ ) {
Ok(res) => res,
Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
let sha256_of_onion = Sha256::hash(&onion_packet.hop_data).into_inner();
}
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
- match peer_state.channel_by_id.entry(forward_chan_id) {
- hash_map::Entry::Vacant(_) => {
- forwarding_channel_not_found!();
- continue;
- },
- hash_map::Entry::Occupied(mut chan) => {
- for forward_info in pending_forwards.drain(..) {
- match forward_info {
- HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
- prev_short_channel_id, prev_htlc_id, prev_funding_outpoint, prev_user_channel_id: _,
- forward_info: PendingHTLCInfo {
- incoming_shared_secret, payment_hash, outgoing_amt_msat, outgoing_cltv_value,
- routing: PendingHTLCRouting::Forward { onion_packet, .. }, skimmed_fee_msat, ..
- },
- }) => {
- log_trace!(self.logger, "Adding HTLC from short id {} with payment_hash {} to channel with short id {} after delay", prev_short_channel_id, log_bytes!(payment_hash.0), short_chan_id);
- let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
- short_channel_id: prev_short_channel_id,
- outpoint: prev_funding_outpoint,
- htlc_id: prev_htlc_id,
- incoming_packet_shared_secret: incoming_shared_secret,
- // Phantom payments are only PendingHTLCRouting::Receive.
- phantom_shared_secret: None,
- });
- if let Err(e) = chan.get_mut().queue_add_htlc(outgoing_amt_msat,
- payment_hash, outgoing_cltv_value, htlc_source.clone(),
- onion_packet, skimmed_fee_msat, &self.fee_estimator,
- &self.logger)
- {
- if let ChannelError::Ignore(msg) = e {
- log_trace!(self.logger, "Failed to forward HTLC with payment_hash {}: {}", log_bytes!(payment_hash.0), msg);
- } else {
- panic!("Stated return value requirements in send_htlc() were not met");
- }
- let (failure_code, data) = self.get_htlc_temp_fail_err_and_data(0x1000|7, short_chan_id, chan.get());
- failed_forwards.push((htlc_source, payment_hash,
- HTLCFailReason::reason(failure_code, data),
- HTLCDestination::NextHopChannel { node_id: Some(chan.get().context.get_counterparty_node_id()), channel_id: forward_chan_id }
- ));
- continue;
- }
- },
- HTLCForwardInfo::AddHTLC { .. } => {
- panic!("short_channel_id != 0 should imply any pending_forward entries are of type Forward");
+ if let Some(ChannelPhase::Funded(ref mut chan)) = peer_state.channel_by_id.get_mut(&forward_chan_id) {
+ for forward_info in pending_forwards.drain(..) {
+ match forward_info {
+ HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_htlc_id, prev_funding_outpoint, prev_user_channel_id,
+ forward_info: PendingHTLCInfo {
+ incoming_shared_secret, payment_hash, outgoing_amt_msat, outgoing_cltv_value,
+ routing: PendingHTLCRouting::Forward { onion_packet, .. }, skimmed_fee_msat, ..
},
- HTLCForwardInfo::FailHTLC { htlc_id, err_packet } => {
- log_trace!(self.logger, "Failing HTLC back to channel with short id {} (backward HTLC ID {}) after delay", short_chan_id, htlc_id);
- if let Err(e) = chan.get_mut().queue_fail_htlc(
- htlc_id, err_packet, &self.logger
- ) {
- if let ChannelError::Ignore(msg) = e {
- log_trace!(self.logger, "Failed to fail HTLC with ID {} backwards to short_id {}: {}", htlc_id, short_chan_id, msg);
- } else {
- panic!("Stated return value requirements in queue_fail_htlc() were not met");
- }
- // fail-backs are best-effort, we probably already have one
- // pending, and if not that's OK, if not, the channel is on
- // the chain and sending the HTLC-Timeout is their problem.
- continue;
+ }) => {
+ log_trace!(self.logger, "Adding HTLC from short id {} with payment_hash {} to channel with short id {} after delay", prev_short_channel_id, &payment_hash, short_chan_id);
+ let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
+ short_channel_id: prev_short_channel_id,
+ user_channel_id: Some(prev_user_channel_id),
+ outpoint: prev_funding_outpoint,
+ htlc_id: prev_htlc_id,
+ incoming_packet_shared_secret: incoming_shared_secret,
+ // Phantom payments are only PendingHTLCRouting::Receive.
+ phantom_shared_secret: None,
+ });
+ if let Err(e) = chan.queue_add_htlc(outgoing_amt_msat,
+ payment_hash, outgoing_cltv_value, htlc_source.clone(),
+ onion_packet, skimmed_fee_msat, &self.fee_estimator,
+ &self.logger)
+ {
+ if let ChannelError::Ignore(msg) = e {
+ log_trace!(self.logger, "Failed to forward HTLC with payment_hash {}: {}", &payment_hash, msg);
+ } else {
+ panic!("Stated return value requirements in send_htlc() were not met");
}
- },
- }
+ let (failure_code, data) = self.get_htlc_temp_fail_err_and_data(0x1000|7, short_chan_id, chan);
+ failed_forwards.push((htlc_source, payment_hash,
+ HTLCFailReason::reason(failure_code, data),
+ HTLCDestination::NextHopChannel { node_id: Some(chan.context.get_counterparty_node_id()), channel_id: forward_chan_id }
+ ));
+ continue;
+ }
+ },
+ HTLCForwardInfo::AddHTLC { .. } => {
+ panic!("short_channel_id != 0 should imply any pending_forward entries are of type Forward");
+ },
+ HTLCForwardInfo::FailHTLC { htlc_id, err_packet } => {
+ log_trace!(self.logger, "Failing HTLC back to channel with short id {} (backward HTLC ID {}) after delay", short_chan_id, htlc_id);
+ if let Err(e) = chan.queue_fail_htlc(
+ htlc_id, err_packet, &self.logger
+ ) {
+ if let ChannelError::Ignore(msg) = e {
+ log_trace!(self.logger, "Failed to fail HTLC with ID {} backwards to short_id {}: {}", htlc_id, short_chan_id, msg);
+ } else {
+ panic!("Stated return value requirements in queue_fail_htlc() were not met");
+ }
+ // fail-backs are best-effort, we probably already have one
+ // pending, and if not that's OK, if not, the channel is on
+ // the chain and sending the HTLC-Timeout is their problem.
+ continue;
+ }
+ },
}
}
+ } else {
+ forwarding_channel_not_found!();
+ continue;
}
} else {
'next_forwardable_htlc: for forward_info in pending_forwards.drain(..) {
let claimable_htlc = ClaimableHTLC {
prev_hop: HTLCPreviousHopData {
short_channel_id: prev_short_channel_id,
+ user_channel_id: Some(prev_user_channel_id),
outpoint: prev_funding_outpoint,
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: incoming_shared_secret,
);
failed_forwards.push((HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: $htlc.prev_hop.short_channel_id,
+ user_channel_id: $htlc.prev_hop.user_channel_id,
outpoint: prev_funding_outpoint,
htlc_id: $htlc.prev_hop.htlc_id,
incoming_packet_shared_secret: $htlc.prev_hop.incoming_packet_shared_secret,
});
if $purpose != claimable_payment.purpose {
let log_keysend = |keysend| if keysend { "keysend" } else { "non-keysend" };
- log_trace!(self.logger, "Failing new {} HTLC with payment_hash {} as we already had an existing {} HTLC with the same payment hash", log_keysend(is_keysend), log_bytes!(payment_hash.0), log_keysend(!is_keysend));
+ log_trace!(self.logger, "Failing new {} HTLC with payment_hash {} as we already had an existing {} HTLC with the same payment hash", log_keysend(is_keysend), &payment_hash, log_keysend(!is_keysend));
fail_htlc!(claimable_htlc, payment_hash);
}
if !self.default_configuration.accept_mpp_keysend && is_keysend && !claimable_payment.htlcs.is_empty() {
- log_trace!(self.logger, "Failing new keysend HTLC with payment_hash {} as we already had an existing keysend HTLC with the same payment hash and our config states we don't accept MPP keysend", log_bytes!(payment_hash.0));
+ log_trace!(self.logger, "Failing new keysend HTLC with payment_hash {} as we already had an existing keysend HTLC with the same payment hash and our config states we don't accept MPP keysend", &payment_hash);
fail_htlc!(claimable_htlc, payment_hash);
}
if let Some(earlier_fields) = &mut claimable_payment.onion_fields {
earliest_expiry = cmp::min(earliest_expiry, htlc.cltv_expiry);
if htlc.total_msat != claimable_htlc.total_msat {
log_trace!(self.logger, "Failing HTLCs with payment_hash {} as the HTLCs had inconsistent total values (eg {} and {})",
- log_bytes!(payment_hash.0), claimable_htlc.total_msat, htlc.total_msat);
+ &payment_hash, claimable_htlc.total_msat, htlc.total_msat);
total_value = msgs::MAX_VALUE_MSAT;
}
if total_value >= msgs::MAX_VALUE_MSAT { break; }
fail_htlc!(claimable_htlc, payment_hash);
} else if total_value - claimable_htlc.sender_intended_value >= claimable_htlc.total_msat {
log_trace!(self.logger, "Failing HTLC with payment_hash {} as payment is already claimable",
- log_bytes!(payment_hash.0));
+ &payment_hash);
fail_htlc!(claimable_htlc, payment_hash);
} else if total_value >= claimable_htlc.total_msat {
#[allow(unused_assignments)] {
let (payment_preimage, min_final_cltv_expiry_delta) = match inbound_payment::verify(payment_hash, &payment_data, self.highest_seen_timestamp.load(Ordering::Acquire) as u64, &self.inbound_payment_key, &self.logger) {
Ok(result) => result,
Err(()) => {
- log_trace!(self.logger, "Failing new HTLC with payment_hash {} as payment verification failed", log_bytes!(payment_hash.0));
+ log_trace!(self.logger, "Failing new HTLC with payment_hash {} as payment verification failed", &payment_hash);
fail_htlc!(claimable_htlc, payment_hash);
}
};
let expected_min_expiry_height = (self.current_best_block().height() + min_final_cltv_expiry_delta as u32) as u64;
if (cltv_expiry as u64) < expected_min_expiry_height {
log_trace!(self.logger, "Failing new HTLC with payment_hash {} as its CLTV expiry was too soon (had {}, earliest expected {})",
- log_bytes!(payment_hash.0), cltv_expiry, expected_min_expiry_height);
+ &payment_hash, cltv_expiry, expected_min_expiry_height);
fail_htlc!(claimable_htlc, payment_hash);
}
}
},
hash_map::Entry::Occupied(inbound_payment) => {
if let OnionPayload::Spontaneous(_) = claimable_htlc.onion_payload {
- log_trace!(self.logger, "Failing new keysend HTLC with payment_hash {} because we already have an inbound payment with the same payment hash", log_bytes!(payment_hash.0));
+ log_trace!(self.logger, "Failing new keysend HTLC with payment_hash {} because we already have an inbound payment with the same payment hash", &payment_hash);
fail_htlc!(claimable_htlc, payment_hash);
}
let payment_data = payment_data.unwrap();
if inbound_payment.get().payment_secret != payment_data.payment_secret {
- log_trace!(self.logger, "Failing new HTLC with payment_hash {} as it didn't match our expected payment secret.", log_bytes!(payment_hash.0));
+ log_trace!(self.logger, "Failing new HTLC with payment_hash {} as it didn't match our expected payment secret.", &payment_hash);
fail_htlc!(claimable_htlc, payment_hash);
} else if inbound_payment.get().min_value_msat.is_some() && payment_data.total_msat < inbound_payment.get().min_value_msat.unwrap() {
log_trace!(self.logger, "Failing new HTLC with payment_hash {} as it didn't match our minimum value (had {}, needed {}).",
- log_bytes!(payment_hash.0), payment_data.total_msat, inbound_payment.get().min_value_msat.unwrap());
+ &payment_hash, payment_data.total_msat, inbound_payment.get().min_value_msat.unwrap());
fail_htlc!(claimable_htlc, payment_hash);
} else {
let purpose = events::PaymentPurpose::InvoicePayment {
let mut background_events = Vec::new();
mem::swap(&mut *self.pending_background_events.lock().unwrap(), &mut background_events);
if background_events.is_empty() {
- return NotifyOption::SkipPersist;
+ return NotifyOption::SkipPersistNoEvents;
}
for event in background_events.drain(..) {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(funding_txo.to_channel_id()) {
- hash_map::Entry::Occupied(mut chan) => {
+ hash_map::Entry::Occupied(mut chan_phase) => {
updated_chan = true;
handle_new_monitor_update!(self, funding_txo, update.clone(),
- peer_state_lock, peer_state, per_peer_state, chan).map(|_| ())
+ peer_state_lock, peer_state, per_peer_state, chan_phase).map(|_| ())
},
hash_map::Entry::Vacant(_) => Ok(()),
}
if let Some(peer_state_mutex) = per_peer_state.get(&counterparty_node_id) {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- if let Some(chan) = peer_state.channel_by_id.get_mut(&channel_id) {
+ if let Some(ChannelPhase::Funded(chan)) = peer_state.channel_by_id.get_mut(&channel_id) {
handle_monitor_update_completion!(self, peer_state_lock, peer_state, per_peer_state, chan);
} else {
let update_actions = peer_state.monitor_update_blocked_actions
let _ = self.process_background_events();
}
- fn update_channel_fee(&self, chan_id: &[u8; 32], chan: &mut Channel<<SP::Target as SignerProvider>::Signer>, new_feerate: u32) -> NotifyOption {
- if !chan.context.is_outbound() { return NotifyOption::SkipPersist; }
+ fn update_channel_fee(&self, chan_id: &ChannelId, chan: &mut Channel<SP>, new_feerate: u32) -> NotifyOption {
+ if !chan.context.is_outbound() { return NotifyOption::SkipPersistNoEvents; }
// If the feerate has decreased by less than half, don't bother
if new_feerate <= chan.context.get_feerate_sat_per_1000_weight() && new_feerate * 2 > chan.context.get_feerate_sat_per_1000_weight() {
log_trace!(self.logger, "Channel {} does not qualify for a feerate change from {} to {}.",
- log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
- return NotifyOption::SkipPersist;
+ chan_id, chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
+ return NotifyOption::SkipPersistNoEvents;
}
if !chan.context.is_live() {
log_trace!(self.logger, "Channel {} does not qualify for a feerate change from {} to {} as it cannot currently be updated (probably the peer is disconnected).",
- log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
- return NotifyOption::SkipPersist;
+ chan_id, chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
+ return NotifyOption::SkipPersistNoEvents;
}
log_trace!(self.logger, "Channel {} qualifies for a feerate change from {} to {}.",
- log_bytes!(chan_id[..]), chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
+ &chan_id, chan.context.get_feerate_sat_per_1000_weight(), new_feerate);
chan.queue_update_fee(new_feerate, &self.fee_estimator, &self.logger);
NotifyOption::DoPersist
/// these a fuzz failure (as they usually indicate a channel force-close, which is exactly what
/// it wants to detect). Thus, we have a variant exposed here for its benefit.
pub fn maybe_update_chan_fees(&self) {
- PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock, &self.persistence_notifier, || {
- let mut should_persist = self.process_background_events();
+ PersistenceNotifierGuard::optionally_notify(self, || {
+ let mut should_persist = NotifyOption::SkipPersistNoEvents;
let normal_feerate = self.fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::Normal);
let min_mempool_feerate = self.fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::MempoolMinimum);
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for (chan_id, chan) in peer_state.channel_by_id.iter_mut() {
+ for (chan_id, chan) in peer_state.channel_by_id.iter_mut().filter_map(
+ |(chan_id, phase)| if let ChannelPhase::Funded(chan) = phase { Some((chan_id, chan)) } else { None }
+ ) {
let new_feerate = if chan.context.get_channel_type().supports_anchors_zero_fee_htlc_tx() {
min_mempool_feerate
} else {
/// [`ChannelUpdate`]: msgs::ChannelUpdate
/// [`ChannelConfig`]: crate::util::config::ChannelConfig
pub fn timer_tick_occurred(&self) {
- PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock, &self.persistence_notifier, || {
- let mut should_persist = self.process_background_events();
+ PersistenceNotifierGuard::optionally_notify(self, || {
+ let mut should_persist = NotifyOption::SkipPersistNoEvents;
let normal_feerate = self.fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::Normal);
let min_mempool_feerate = self.fee_estimator.bounded_sat_per_1000_weight(ConfirmationTarget::MempoolMinimum);
let mut handle_errors: Vec<(Result<(), _>, _)> = Vec::new();
let mut timed_out_mpp_htlcs = Vec::new();
let mut pending_peers_awaiting_removal = Vec::new();
+
+ let process_unfunded_channel_tick = |
+ chan_id: &ChannelId,
+ context: &mut ChannelContext<SP>,
+ unfunded_context: &mut UnfundedChannelContext,
+ pending_msg_events: &mut Vec<MessageSendEvent>,
+ counterparty_node_id: PublicKey,
+ | {
+ context.maybe_expire_prev_config();
+ if unfunded_context.should_expire_unfunded_channel() {
+ log_error!(self.logger,
+ "Force-closing pending channel with ID {} for not establishing in a timely manner", chan_id);
+ update_maps_on_chan_removal!(self, &context);
+ self.issue_channel_close_events(&context, ClosureReason::HolderForceClosed);
+ self.finish_force_close_channel(context.force_shutdown(false));
+ pending_msg_events.push(MessageSendEvent::HandleError {
+ node_id: counterparty_node_id,
+ action: msgs::ErrorAction::SendErrorMessage {
+ msg: msgs::ErrorMessage {
+ channel_id: *chan_id,
+ data: "Force-closing pending channel due to timeout awaiting establishment handshake".to_owned(),
+ },
+ },
+ });
+ false
+ } else {
+ true
+ }
+ };
+
{
let per_peer_state = self.per_peer_state.read().unwrap();
for (counterparty_node_id, peer_state_mutex) in per_peer_state.iter() {
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
let counterparty_node_id = *counterparty_node_id;
- peer_state.channel_by_id.retain(|chan_id, chan| {
- let new_feerate = if chan.context.get_channel_type().supports_anchors_zero_fee_htlc_tx() {
- min_mempool_feerate
- } else {
- normal_feerate
- };
- let chan_needs_persist = self.update_channel_fee(chan_id, chan, new_feerate);
- if chan_needs_persist == NotifyOption::DoPersist { should_persist = NotifyOption::DoPersist; }
-
- if let Err(e) = chan.timer_check_closing_negotiation_progress() {
- let (needs_close, err) = convert_chan_err!(self, e, chan, chan_id);
- handle_errors.push((Err(err), counterparty_node_id));
- if needs_close { return false; }
- }
-
- match chan.channel_update_status() {
- ChannelUpdateStatus::Enabled if !chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(0)),
- ChannelUpdateStatus::Disabled if chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(0)),
- ChannelUpdateStatus::DisabledStaged(_) if chan.context.is_live()
- => chan.set_channel_update_status(ChannelUpdateStatus::Enabled),
- ChannelUpdateStatus::EnabledStaged(_) if !chan.context.is_live()
- => chan.set_channel_update_status(ChannelUpdateStatus::Disabled),
- ChannelUpdateStatus::DisabledStaged(mut n) if !chan.context.is_live() => {
- n += 1;
- if n >= DISABLE_GOSSIP_TICKS {
- chan.set_channel_update_status(ChannelUpdateStatus::Disabled);
- if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: update
- });
- }
- should_persist = NotifyOption::DoPersist;
- } else {
- chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(n));
- }
- },
- ChannelUpdateStatus::EnabledStaged(mut n) if chan.context.is_live() => {
- n += 1;
- if n >= ENABLE_GOSSIP_TICKS {
- chan.set_channel_update_status(ChannelUpdateStatus::Enabled);
- if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: update
- });
- }
- should_persist = NotifyOption::DoPersist;
+ peer_state.channel_by_id.retain(|chan_id, phase| {
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ let new_feerate = if chan.context.get_channel_type().supports_anchors_zero_fee_htlc_tx() {
+ min_mempool_feerate
} else {
- chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(n));
+ normal_feerate
+ };
+ let chan_needs_persist = self.update_channel_fee(chan_id, chan, new_feerate);
+ if chan_needs_persist == NotifyOption::DoPersist { should_persist = NotifyOption::DoPersist; }
+
+ if let Err(e) = chan.timer_check_closing_negotiation_progress() {
+ let (needs_close, err) = convert_chan_phase_err!(self, e, chan, chan_id, FUNDED_CHANNEL);
+ handle_errors.push((Err(err), counterparty_node_id));
+ if needs_close { return false; }
}
- },
- _ => {},
- }
- chan.context.maybe_expire_prev_config();
-
- if chan.should_disconnect_peer_awaiting_response() {
- log_debug!(self.logger, "Disconnecting peer {} due to not making any progress on channel {}",
- counterparty_node_id, log_bytes!(*chan_id));
- pending_msg_events.push(MessageSendEvent::HandleError {
- node_id: counterparty_node_id,
- action: msgs::ErrorAction::DisconnectPeerWithWarning {
- msg: msgs::WarningMessage {
- channel_id: *chan_id,
- data: "Disconnecting due to timeout awaiting response".to_owned(),
+ match chan.channel_update_status() {
+ ChannelUpdateStatus::Enabled if !chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(0)),
+ ChannelUpdateStatus::Disabled if chan.context.is_live() => chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(0)),
+ ChannelUpdateStatus::DisabledStaged(_) if chan.context.is_live()
+ => chan.set_channel_update_status(ChannelUpdateStatus::Enabled),
+ ChannelUpdateStatus::EnabledStaged(_) if !chan.context.is_live()
+ => chan.set_channel_update_status(ChannelUpdateStatus::Disabled),
+ ChannelUpdateStatus::DisabledStaged(mut n) if !chan.context.is_live() => {
+ n += 1;
+ if n >= DISABLE_GOSSIP_TICKS {
+ chan.set_channel_update_status(ChannelUpdateStatus::Disabled);
+ if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
+ }
+ should_persist = NotifyOption::DoPersist;
+ } else {
+ chan.set_channel_update_status(ChannelUpdateStatus::DisabledStaged(n));
+ }
},
- },
- });
- }
+ ChannelUpdateStatus::EnabledStaged(mut n) if chan.context.is_live() => {
+ n += 1;
+ if n >= ENABLE_GOSSIP_TICKS {
+ chan.set_channel_update_status(ChannelUpdateStatus::Enabled);
+ if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
+ }
+ should_persist = NotifyOption::DoPersist;
+ } else {
+ chan.set_channel_update_status(ChannelUpdateStatus::EnabledStaged(n));
+ }
+ },
+ _ => {},
+ }
- true
- });
+ chan.context.maybe_expire_prev_config();
+
+ if chan.should_disconnect_peer_awaiting_response() {
+ log_debug!(self.logger, "Disconnecting peer {} due to not making any progress on channel {}",
+ counterparty_node_id, chan_id);
+ pending_msg_events.push(MessageSendEvent::HandleError {
+ node_id: counterparty_node_id,
+ action: msgs::ErrorAction::DisconnectPeerWithWarning {
+ msg: msgs::WarningMessage {
+ channel_id: *chan_id,
+ data: "Disconnecting due to timeout awaiting response".to_owned(),
+ },
+ },
+ });
+ }
- let process_unfunded_channel_tick = |
- chan_id: &[u8; 32],
- chan_context: &mut ChannelContext<<SP::Target as SignerProvider>::Signer>,
- unfunded_chan_context: &mut UnfundedChannelContext,
- pending_msg_events: &mut Vec<MessageSendEvent>,
- | {
- chan_context.maybe_expire_prev_config();
- if unfunded_chan_context.should_expire_unfunded_channel() {
- log_error!(self.logger,
- "Force-closing pending channel with ID {} for not establishing in a timely manner",
- log_bytes!(&chan_id[..]));
- update_maps_on_chan_removal!(self, &chan_context);
- self.issue_channel_close_events(&chan_context, ClosureReason::HolderForceClosed);
- self.finish_force_close_channel(chan_context.force_shutdown(false));
- pending_msg_events.push(MessageSendEvent::HandleError {
- node_id: counterparty_node_id,
- action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage {
- channel_id: *chan_id,
- data: "Force-closing pending channel due to timeout awaiting establishment handshake".to_owned(),
- },
- },
- });
- false
- } else {
- true
+ true
+ },
+ ChannelPhase::UnfundedInboundV1(chan) => {
+ process_unfunded_channel_tick(chan_id, &mut chan.context, &mut chan.unfunded_context,
+ pending_msg_events, counterparty_node_id)
+ },
+ ChannelPhase::UnfundedOutboundV1(chan) => {
+ process_unfunded_channel_tick(chan_id, &mut chan.context, &mut chan.unfunded_context,
+ pending_msg_events, counterparty_node_id)
+ },
}
- };
- peer_state.outbound_v1_channel_by_id.retain(|chan_id, chan| process_unfunded_channel_tick(
- chan_id, &mut chan.context, &mut chan.unfunded_context, pending_msg_events));
- peer_state.inbound_v1_channel_by_id.retain(|chan_id, chan| process_unfunded_channel_tick(
- chan_id, &mut chan.context, &mut chan.unfunded_context, pending_msg_events));
+ });
for (chan_id, req) in peer_state.inbound_channel_request_by_id.iter_mut() {
if { req.ticks_remaining -= 1 ; req.ticks_remaining } <= 0 {
- log_error!(self.logger, "Force-closing unaccepted inbound channel {} for not accepting in a timely manner", log_bytes!(&chan_id[..]));
+ log_error!(self.logger, "Force-closing unaccepted inbound channel {} for not accepting in a timely manner", &chan_id);
peer_state.pending_msg_events.push(
events::MessageSendEvent::HandleError {
node_id: counterparty_node_id,
let _ = handle_error!(self, err, counterparty_node_id);
}
- self.pending_outbound_payments.remove_stale_resolved_payments(&self.pending_events);
+ self.pending_outbound_payments.remove_stale_payments(&self.pending_events);
// Technically we don't need to do this here, but if we have holding cell entries in a
// channel that need freeing, it's better to do that here and block a background task
///
/// This is for failures on the channel on which the HTLC was *received*, not failures
/// forwarding
- fn get_htlc_inbound_temp_fail_err_and_data(&self, desired_err_code: u16, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> (u16, Vec<u8>) {
+ fn get_htlc_inbound_temp_fail_err_and_data(&self, desired_err_code: u16, chan: &Channel<SP>) -> (u16, Vec<u8>) {
// We can't be sure what SCID was used when relaying inbound towards us, so we have to
// guess somewhat. If its a public channel, we figure best to just use the real SCID (as
// we're not leaking that we have a channel with the counterparty), otherwise we try to use
/// Gets an HTLC onion failure code and error data for an `UPDATE` error, given the error code
/// that we want to return and a channel.
- fn get_htlc_temp_fail_err_and_data(&self, desired_err_code: u16, scid: u64, chan: &Channel<<SP::Target as SignerProvider>::Signer>) -> (u16, Vec<u8>) {
+ fn get_htlc_temp_fail_err_and_data(&self, desired_err_code: u16, scid: u64, chan: &Channel<SP>) -> (u16, Vec<u8>) {
debug_assert_eq!(desired_err_code & 0x1000, 0x1000);
if let Ok(upd) = self.get_channel_update_for_onion(scid, chan) {
let mut enc = VecWriter(Vec::with_capacity(upd.serialized_length() + 6));
// failed backwards or, if they were one of our outgoing HTLCs, then their failure needs to
// be surfaced to the user.
fn fail_holding_cell_htlcs(
- &self, mut htlcs_to_fail: Vec<(HTLCSource, PaymentHash)>, channel_id: [u8; 32],
+ &self, mut htlcs_to_fail: Vec<(HTLCSource, PaymentHash)>, channel_id: ChannelId,
counterparty_node_id: &PublicKey
) {
let (failure_code, onion_failure_data) = {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(channel_id) {
- hash_map::Entry::Occupied(chan_entry) => {
- self.get_htlc_inbound_temp_fail_err_and_data(0x1000|7, &chan_entry.get())
+ hash_map::Entry::Occupied(chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get() {
+ self.get_htlc_inbound_temp_fail_err_and_data(0x1000|7, &chan)
+ } else {
+ // We shouldn't be trying to fail holding cell HTLCs on an unfunded channel.
+ debug_assert!(false);
+ (0x4000|10, Vec::new())
+ }
},
hash_map::Entry::Vacant(_) => (0x4000|10, Vec::new())
}
&self.pending_events, &self.logger)
{ self.push_pending_forwards_ev(); }
},
- HTLCSource::PreviousHopData(HTLCPreviousHopData { ref short_channel_id, ref htlc_id, ref incoming_packet_shared_secret, ref phantom_shared_secret, ref outpoint }) => {
- log_trace!(self.logger, "Failing HTLC with payment_hash {} backwards from us with {:?}", log_bytes!(payment_hash.0), onion_error);
+ HTLCSource::PreviousHopData(HTLCPreviousHopData { ref short_channel_id, ref htlc_id, ref incoming_packet_shared_secret, ref phantom_shared_secret, ref outpoint, .. }) => {
+ log_trace!(self.logger, "Failing HTLC with payment_hash {} backwards from us with {:?}", &payment_hash, onion_error);
let err_packet = onion_error.get_encrypted_failure_packet(incoming_packet_shared_secret, phantom_shared_secret);
let mut push_forward_ev = false;
}
}
+ let htlcs = payment.htlcs.iter().map(events::ClaimedHTLC::from).collect();
+ let sender_intended_value = payment.htlcs.first().map(|htlc| htlc.total_msat);
let dup_purpose = claimable_payments.pending_claiming_payments.insert(payment_hash,
ClaimingPayment { amount_msat: payment.htlcs.iter().map(|source| source.value).sum(),
- payment_purpose: payment.purpose, receiver_node_id,
+ payment_purpose: payment.purpose, receiver_node_id, htlcs, sender_intended_value
});
if dup_purpose.is_some() {
debug_assert!(false, "Shouldn't get a duplicate pending claim event ever");
log_error!(self.logger, "Got a duplicate pending claimable event on payment hash {}! Please report this bug",
- log_bytes!(payment_hash.0));
+ &payment_hash);
}
if let Some(RecipientOnionFields { ref custom_tlvs, .. }) = payment.onion_fields {
if !custom_tlvs_known && custom_tlvs.iter().any(|(typ, _)| typ % 2 == 0) {
log_info!(self.logger, "Rejecting payment with payment hash {} as we cannot accept payment with unknown even TLVs: {}",
- log_bytes!(payment_hash.0), log_iter!(custom_tlvs.iter().map(|(typ, _)| typ).filter(|typ| *typ % 2 == 0)));
+ &payment_hash, log_iter!(custom_tlvs.iter().map(|(typ, _)| typ).filter(|typ| *typ % 2 == 0)));
claimable_payments.pending_claiming_payments.remove(&payment_hash);
mem::drop(claimable_payments);
for htlc in payment.htlcs {
if peer_state_opt.is_some() {
let mut peer_state_lock = peer_state_opt.unwrap();
let peer_state = &mut *peer_state_lock;
- if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(chan_id) {
- let counterparty_node_id = chan.get().context.get_counterparty_node_id();
- let fulfill_res = chan.get_mut().get_update_fulfill_htlc_and_commit(prev_hop.htlc_id, payment_preimage, &self.logger);
-
- if let UpdateFulfillCommitFetch::NewClaim { htlc_value_msat, monitor_update } = fulfill_res {
- if let Some(action) = completion_action(Some(htlc_value_msat)) {
- log_trace!(self.logger, "Tracking monitor update completion action for channel {}: {:?}",
- log_bytes!(chan_id), action);
- peer_state.monitor_update_blocked_actions.entry(chan_id).or_insert(Vec::new()).push(action);
- }
- if !during_init {
- let res = handle_new_monitor_update!(self, prev_hop.outpoint, monitor_update, peer_state_lock,
- peer_state, per_peer_state, chan);
- if let Err(e) = res {
- // TODO: This is a *critical* error - we probably updated the outbound edge
- // of the HTLC's monitor with a preimage. We should retry this monitor
- // update over and over again until morale improves.
- log_error!(self.logger, "Failed to update channel monitor with preimage {:?}", payment_preimage);
- return Err((counterparty_node_id, e));
+ if let hash_map::Entry::Occupied(mut chan_phase_entry) = peer_state.channel_by_id.entry(chan_id) {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let counterparty_node_id = chan.context.get_counterparty_node_id();
+ let fulfill_res = chan.get_update_fulfill_htlc_and_commit(prev_hop.htlc_id, payment_preimage, &self.logger);
+
+ if let UpdateFulfillCommitFetch::NewClaim { htlc_value_msat, monitor_update } = fulfill_res {
+ if let Some(action) = completion_action(Some(htlc_value_msat)) {
+ log_trace!(self.logger, "Tracking monitor update completion action for channel {}: {:?}",
+ chan_id, action);
+ peer_state.monitor_update_blocked_actions.entry(chan_id).or_insert(Vec::new()).push(action);
+ }
+ if !during_init {
+ let res = handle_new_monitor_update!(self, prev_hop.outpoint, monitor_update, peer_state_lock,
+ peer_state, per_peer_state, chan_phase_entry);
+ if let Err(e) = res {
+ // TODO: This is a *critical* error - we probably updated the outbound edge
+ // of the HTLC's monitor with a preimage. We should retry this monitor
+ // update over and over again until morale improves.
+ log_error!(self.logger, "Failed to update channel monitor with preimage {:?}", payment_preimage);
+ return Err((counterparty_node_id, e));
+ }
+ } else {
+ // If we're running during init we cannot update a monitor directly -
+ // they probably haven't actually been loaded yet. Instead, push the
+ // monitor update as a background event.
+ self.pending_background_events.lock().unwrap().push(
+ BackgroundEvent::MonitorUpdateRegeneratedOnStartup {
+ counterparty_node_id,
+ funding_txo: prev_hop.outpoint,
+ update: monitor_update.clone(),
+ });
}
- } else {
- // If we're running during init we cannot update a monitor directly -
- // they probably haven't actually been loaded yet. Instead, push the
- // monitor update as a background event.
- self.pending_background_events.lock().unwrap().push(
- BackgroundEvent::MonitorUpdateRegeneratedOnStartup {
- counterparty_node_id,
- funding_txo: prev_hop.outpoint,
- update: monitor_update.clone(),
- });
}
}
return Ok(());
self.pending_outbound_payments.finalize_claims(sources, &self.pending_events);
}
- fn claim_funds_internal(&self, source: HTLCSource, payment_preimage: PaymentPreimage, forwarded_htlc_value_msat: Option<u64>, from_onchain: bool, next_channel_id: [u8; 32]) {
+ fn claim_funds_internal(&self, source: HTLCSource, payment_preimage: PaymentPreimage,
+ forwarded_htlc_value_msat: Option<u64>, from_onchain: bool,
+ next_channel_counterparty_node_id: Option<PublicKey>, next_channel_outpoint: OutPoint
+ ) {
match source {
HTLCSource::OutboundRoute { session_priv, payment_id, path, .. } => {
debug_assert!(self.background_events_processed_since_startup.load(Ordering::Acquire),
"We don't support claim_htlc claims during startup - monitors may not be available yet");
- self.pending_outbound_payments.claim_htlc(payment_id, payment_preimage, session_priv, path, from_onchain, &self.pending_events, &self.logger);
+ if let Some(pubkey) = next_channel_counterparty_node_id {
+ debug_assert_eq!(pubkey, path.hops[0].pubkey);
+ }
+ let ev_completion_action = EventCompletionAction::ReleaseRAAChannelMonitorUpdate {
+ channel_funding_outpoint: next_channel_outpoint,
+ counterparty_node_id: path.hops[0].pubkey,
+ };
+ self.pending_outbound_payments.claim_htlc(payment_id, payment_preimage,
+ session_priv, path, from_onchain, ev_completion_action, &self.pending_events,
+ &self.logger);
},
HTLCSource::PreviousHopData(hop_data) => {
let prev_outpoint = hop_data.outpoint;
+ let completed_blocker = RAAMonitorUpdateBlockingAction::from_prev_hop_data(&hop_data);
let res = self.claim_funds_from_hop(hop_data, payment_preimage,
|htlc_claim_value_msat| {
if let Some(forwarded_htlc_value) = forwarded_htlc_value_msat {
fee_earned_msat,
claim_from_onchain_tx: from_onchain,
prev_channel_id: Some(prev_outpoint.to_channel_id()),
- next_channel_id: Some(next_channel_id),
+ next_channel_id: Some(next_channel_outpoint.to_channel_id()),
outbound_amount_forwarded_msat: forwarded_htlc_value_msat,
},
- downstream_counterparty_and_funding_outpoint: None,
+ downstream_counterparty_and_funding_outpoint:
+ if let Some(node_id) = next_channel_counterparty_node_id {
+ Some((node_id, next_channel_outpoint, completed_blocker))
+ } else {
+ // We can only get `None` here if we are processing a
+ // `ChannelMonitor`-originated event, in which case we
+ // don't care about ensuring we wake the downstream
+ // channel's monitor updating - the channel is already
+ // closed.
+ None
+ },
})
} else { None }
});
match action {
MonitorUpdateCompletionAction::PaymentClaimed { payment_hash } => {
let payment = self.claimable_payments.lock().unwrap().pending_claiming_payments.remove(&payment_hash);
- if let Some(ClaimingPayment { amount_msat, payment_purpose: purpose, receiver_node_id }) = payment {
+ if let Some(ClaimingPayment {
+ amount_msat,
+ payment_purpose: purpose,
+ receiver_node_id,
+ htlcs,
+ sender_intended_value: sender_intended_total_msat,
+ }) = payment {
self.pending_events.lock().unwrap().push_back((events::Event::PaymentClaimed {
- payment_hash, purpose, amount_msat, receiver_node_id: Some(receiver_node_id),
+ payment_hash,
+ purpose,
+ amount_msat,
+ receiver_node_id: Some(receiver_node_id),
+ htlcs,
+ sender_intended_total_msat,
}, None));
}
},
/// Handles a channel reentering a functional state, either due to reconnect or a monitor
/// update completion.
fn handle_channel_resumption(&self, pending_msg_events: &mut Vec<MessageSendEvent>,
- channel: &mut Channel<<SP::Target as SignerProvider>::Signer>, raa: Option<msgs::RevokeAndACK>,
+ channel: &mut Channel<SP>, raa: Option<msgs::RevokeAndACK>,
commitment_update: Option<msgs::CommitmentUpdate>, order: RAACommitmentOrder,
pending_forwards: Vec<(PendingHTLCInfo, u64)>, funding_broadcastable: Option<Transaction>,
channel_ready: Option<msgs::ChannelReady>, announcement_sigs: Option<msgs::AnnouncementSignatures>)
-> Option<(u64, OutPoint, u128, Vec<(PendingHTLCInfo, u64)>)> {
log_trace!(self.logger, "Handling channel resumption for channel {} with {} RAA, {} commitment update, {} pending forwards, {}broadcasting funding, {} channel ready, {} announcement",
- log_bytes!(channel.context.channel_id()),
+ &channel.context.channel_id(),
if raa.is_some() { "an" } else { "no" },
if commitment_update.is_some() { "a" } else { "no" }, pending_forwards.len(),
if funding_broadcastable.is_some() { "" } else { "not " },
peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
let channel =
- if let Some(chan) = peer_state.channel_by_id.get_mut(&funding_txo.to_channel_id()) {
+ if let Some(ChannelPhase::Funded(chan)) = peer_state.channel_by_id.get_mut(&funding_txo.to_channel_id()) {
chan
} else {
let update_actions = peer_state.monitor_update_blocked_actions
///
/// [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest
/// [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id
- pub fn accept_inbound_channel(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, user_channel_id: u128) -> Result<(), APIError> {
+ pub fn accept_inbound_channel(&self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, user_channel_id: u128) -> Result<(), APIError> {
self.do_accept_inbound_channel(temporary_channel_id, counterparty_node_id, false, user_channel_id)
}
///
/// [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest
/// [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id
- pub fn accept_inbound_channel_from_trusted_peer_0conf(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, user_channel_id: u128) -> Result<(), APIError> {
+ pub fn accept_inbound_channel_from_trusted_peer_0conf(&self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, user_channel_id: u128) -> Result<(), APIError> {
self.do_accept_inbound_channel(temporary_channel_id, counterparty_node_id, true, user_channel_id)
}
- fn do_accept_inbound_channel(&self, temporary_channel_id: &[u8; 32], counterparty_node_id: &PublicKey, accept_0conf: bool, user_channel_id: u128) -> Result<(), APIError> {
+ fn do_accept_inbound_channel(&self, temporary_channel_id: &ChannelId, counterparty_node_id: &PublicKey, accept_0conf: bool, user_channel_id: u128) -> Result<(), APIError> {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
let peers_without_funded_channels =
InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features,
&unaccepted_channel.open_channel_msg, user_channel_id, &self.default_configuration, best_block_height,
- &self.logger, /*outbound_scid_alias=*/0, accept_0conf).map_err(|e| APIError::ChannelUnavailable { err: e.to_string() })
+ &self.logger, accept_0conf).map_err(|e| APIError::ChannelUnavailable { err: e.to_string() })
}
_ => Err(APIError::APIMisuseError { err: "No such channel awaiting to be accepted.".to_owned() })
}?;
msg: channel.accept_inbound_channel(),
});
- peer_state.inbound_v1_channel_by_id.insert(temporary_channel_id.clone(), channel);
+ peer_state.channel_by_id.insert(temporary_channel_id.clone(), ChannelPhase::UnfundedInboundV1(channel));
Ok(())
}
/// The filter is called for each peer and provided with the number of unfunded, inbound, and
/// non-0-conf channels we have with the peer.
fn peers_without_funded_channels<Filter>(&self, maybe_count_peer: Filter) -> usize
- where Filter: Fn(&PeerState<<SP::Target as SignerProvider>::Signer>) -> bool {
+ where Filter: Fn(&PeerState<SP>) -> bool {
let mut peers_without_funded_channels = 0;
let best_block_height = self.best_block.read().unwrap().height();
{
}
fn unfunded_channel_count(
- peer: &PeerState<<SP::Target as SignerProvider>::Signer>, best_block_height: u32
+ peer: &PeerState<SP>, best_block_height: u32
) -> usize {
let mut num_unfunded_channels = 0;
- for (_, chan) in peer.channel_by_id.iter() {
- // This covers non-zero-conf inbound `Channel`s that we are currently monitoring, but those
- // which have not yet had any confirmations on-chain.
- if !chan.context.is_outbound() && chan.context.minimum_depth().unwrap_or(1) != 0 &&
- chan.context.get_funding_tx_confirmations(best_block_height) == 0
- {
- num_unfunded_channels += 1;
- }
- }
- for (_, chan) in peer.inbound_v1_channel_by_id.iter() {
- if chan.context.minimum_depth().unwrap_or(1) != 0 {
- num_unfunded_channels += 1;
+ for (_, phase) in peer.channel_by_id.iter() {
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ // This covers non-zero-conf inbound `Channel`s that we are currently monitoring, but those
+ // which have not yet had any confirmations on-chain.
+ if !chan.context.is_outbound() && chan.context.minimum_depth().unwrap_or(1) != 0 &&
+ chan.context.get_funding_tx_confirmations(best_block_height) == 0
+ {
+ num_unfunded_channels += 1;
+ }
+ },
+ ChannelPhase::UnfundedInboundV1(chan) => {
+ if chan.context.minimum_depth().unwrap_or(1) != 0 {
+ num_unfunded_channels += 1;
+ }
+ },
+ ChannelPhase::UnfundedOutboundV1(_) => {
+ // Outbound channels don't contribute to the unfunded count in the DoS context.
+ continue;
+ }
}
}
num_unfunded_channels + peer.inbound_channel_request_by_id.len()
}
fn internal_open_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::OpenChannel) -> Result<(), MsgHandleErrInternal> {
+ // Note that the ChannelManager is NOT re-persisted on disk after this, so any changes are
+ // likely to be lost on restart!
if msg.chain_hash != self.genesis_hash {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Unknown genesis block hash".to_owned(), msg.temporary_channel_id.clone()));
}
let user_channel_id = u128::from_be_bytes(random_bytes);
let mut channel = match InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features, msg, user_channel_id,
- &self.default_configuration, best_block_height, &self.logger, /*outbound_scid_alias=*/0, /*is_0conf=*/false)
+ &self.default_configuration, best_block_height, &self.logger, /*is_0conf=*/false)
{
Err(e) => {
return Err(MsgHandleErrInternal::from_chan_no_close(e, msg.temporary_channel_id));
node_id: counterparty_node_id.clone(),
msg: channel.accept_inbound_channel(),
});
- peer_state.inbound_v1_channel_by_id.insert(channel_id, channel);
+ peer_state.channel_by_id.insert(channel_id, ChannelPhase::UnfundedInboundV1(channel));
Ok(())
}
fn internal_accept_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::AcceptChannel) -> Result<(), MsgHandleErrInternal> {
+ // Note that the ChannelManager is NOT re-persisted on disk after this, so any changes are
+ // likely to be lost on restart!
let (value, output_script, user_id) = {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
})?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- match peer_state.outbound_v1_channel_by_id.entry(msg.temporary_channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- try_v1_outbound_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration.channel_handshake_limits, &peer_state.latest_features), chan);
- (chan.get().context.get_value_satoshis(), chan.get().context.get_funding_redeemscript().to_v0_p2wsh(), chan.get().context.get_user_id())
+ match peer_state.channel_by_id.entry(msg.temporary_channel_id) {
+ hash_map::Entry::Occupied(mut phase) => {
+ match phase.get_mut() {
+ ChannelPhase::UnfundedOutboundV1(chan) => {
+ try_chan_phase_entry!(self, chan.accept_channel(&msg, &self.default_configuration.channel_handshake_limits, &peer_state.latest_features), phase);
+ (chan.context.get_value_satoshis(), chan.context.get_funding_redeemscript().to_v0_p2wsh(), chan.context.get_user_id())
+ },
+ _ => {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got an unexpected accept_channel message from peer with counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id));
+ }
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let (chan, funding_msg, monitor) =
- match peer_state.inbound_v1_channel_by_id.remove(&msg.temporary_channel_id) {
- Some(inbound_chan) => {
+ match peer_state.channel_by_id.remove(&msg.temporary_channel_id) {
+ Some(ChannelPhase::UnfundedInboundV1(inbound_chan)) => {
match inbound_chan.funding_created(msg, best_block, &self.signer_provider, &self.logger) {
Ok(res) => res,
Err((mut inbound_chan, err)) => {
},
}
},
+ Some(ChannelPhase::Funded(_)) | Some(ChannelPhase::UnfundedOutboundV1(_)) => {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got an unexpected funding_created message from peer with counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id));
+ },
None => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.temporary_channel_id))
};
let monitor_res = self.chain_monitor.watch_channel(monitor.get_funding_txo().0, monitor);
- let chan = e.insert(chan);
- let mut res = handle_new_monitor_update!(self, monitor_res, peer_state_lock, peer_state,
- per_peer_state, chan, MANUALLY_REMOVING_INITIAL_MONITOR,
- { peer_state.channel_by_id.remove(&new_channel_id) });
-
- // Note that we reply with the new channel_id in error messages if we gave up on the
- // channel, not the temporary_channel_id. This is compatible with ourselves, but the
- // spec is somewhat ambiguous here. Not a huge deal since we'll send error messages for
- // any messages referencing a previously-closed channel anyway.
- // We do not propagate the monitor update to the user as it would be for a monitor
- // that we didn't manage to store (and that we don't care about - we don't respond
- // with the funding_signed so the channel can never go on chain).
- if let Err(MsgHandleErrInternal { shutdown_finish: Some((res, _)), .. }) = &mut res {
- res.0 = None;
+ if let ChannelPhase::Funded(chan) = e.insert(ChannelPhase::Funded(chan)) {
+ let mut res = handle_new_monitor_update!(self, monitor_res, peer_state_lock, peer_state,
+ per_peer_state, chan, MANUALLY_REMOVING_INITIAL_MONITOR,
+ { peer_state.channel_by_id.remove(&new_channel_id) });
+
+ // Note that we reply with the new channel_id in error messages if we gave up on the
+ // channel, not the temporary_channel_id. This is compatible with ourselves, but the
+ // spec is somewhat ambiguous here. Not a huge deal since we'll send error messages for
+ // any messages referencing a previously-closed channel anyway.
+ // We do not propagate the monitor update to the user as it would be for a monitor
+ // that we didn't manage to store (and that we don't care about - we don't respond
+ // with the funding_signed so the channel can never go on chain).
+ if let Err(MsgHandleErrInternal { shutdown_finish: Some((res, _)), .. }) = &mut res {
+ res.0 = None;
+ }
+ res.map(|_| ())
+ } else {
+ unreachable!("This must be a funded channel as we just inserted it.");
}
- res.map(|_| ())
}
}
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- let monitor = try_chan_entry!(self,
- chan.get_mut().funding_signed(&msg, best_block, &self.signer_provider, &self.logger), chan);
- let update_res = self.chain_monitor.watch_channel(chan.get().context.get_funding_txo().unwrap(), monitor);
- let mut res = handle_new_monitor_update!(self, update_res, peer_state_lock, peer_state, per_peer_state, chan, INITIAL_MONITOR);
- if let Err(MsgHandleErrInternal { ref mut shutdown_finish, .. }) = res {
- // We weren't able to watch the channel to begin with, so no updates should be made on
- // it. Previously, full_stack_target found an (unreachable) panic when the
- // monitor update contained within `shutdown_finish` was applied.
- if let Some((ref mut shutdown_finish, _)) = shutdown_finish {
- shutdown_finish.0.take();
- }
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ match chan_phase_entry.get_mut() {
+ ChannelPhase::Funded(ref mut chan) => {
+ let monitor = try_chan_phase_entry!(self,
+ chan.funding_signed(&msg, best_block, &self.signer_provider, &self.logger), chan_phase_entry);
+ let update_res = self.chain_monitor.watch_channel(chan.context.get_funding_txo().unwrap(), monitor);
+ let mut res = handle_new_monitor_update!(self, update_res, peer_state_lock, peer_state, per_peer_state, chan_phase_entry, INITIAL_MONITOR);
+ if let Err(MsgHandleErrInternal { ref mut shutdown_finish, .. }) = res {
+ // We weren't able to watch the channel to begin with, so no updates should be made on
+ // it. Previously, full_stack_target found an (unreachable) panic when the
+ // monitor update contained within `shutdown_finish` was applied.
+ if let Some((ref mut shutdown_finish, _)) = shutdown_finish {
+ shutdown_finish.0.take();
+ }
+ }
+ res.map(|_| ())
+ },
+ _ => {
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id));
+ },
}
- res.map(|_| ())
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
}
}
fn internal_channel_ready(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReady) -> Result<(), MsgHandleErrInternal> {
+ // Note that the ChannelManager is NOT re-persisted on disk after this (unless we error
+ // closing a channel), so any changes are likely to be lost on restart!
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
.ok_or_else(|| {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- let announcement_sigs_opt = try_chan_entry!(self, chan.get_mut().channel_ready(&msg, &self.node_signer,
- self.genesis_hash.clone(), &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan);
- if let Some(announcement_sigs) = announcement_sigs_opt {
- log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(chan.get().context.channel_id()));
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: counterparty_node_id.clone(),
- msg: announcement_sigs,
- });
- } else if chan.get().context.is_usable() {
- // If we're sending an announcement_signatures, we'll send the (public)
- // channel_update after sending a channel_announcement when we receive our
- // counterparty's announcement_signatures. Thus, we only bother to send a
- // channel_update here if the channel is not public, i.e. we're not sending an
- // announcement_signatures.
- log_trace!(self.logger, "Sending private initial channel_update for our counterparty on channel {}", log_bytes!(chan.get().context.channel_id()));
- if let Ok(msg) = self.get_channel_update_for_unicast(chan.get()) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let announcement_sigs_opt = try_chan_phase_entry!(self, chan.channel_ready(&msg, &self.node_signer,
+ self.genesis_hash.clone(), &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan_phase_entry);
+ if let Some(announcement_sigs) = announcement_sigs_opt {
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", chan.context.channel_id());
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
node_id: counterparty_node_id.clone(),
- msg,
+ msg: announcement_sigs,
});
+ } else if chan.context.is_usable() {
+ // If we're sending an announcement_signatures, we'll send the (public)
+ // channel_update after sending a channel_announcement when we receive our
+ // counterparty's announcement_signatures. Thus, we only bother to send a
+ // channel_update here if the channel is not public, i.e. we're not sending an
+ // announcement_signatures.
+ log_trace!(self.logger, "Sending private initial channel_update for our counterparty on channel {}", chan.context.channel_id());
+ if let Ok(msg) = self.get_channel_update_for_unicast(chan) {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
+ node_id: counterparty_node_id.clone(),
+ msg,
+ });
+ }
}
- }
- {
- let mut pending_events = self.pending_events.lock().unwrap();
- emit_channel_ready_event!(pending_events, chan.get_mut());
- }
+ {
+ let mut pending_events = self.pending_events.lock().unwrap();
+ emit_channel_ready_event!(pending_events, chan);
+ }
- Ok(())
+ Ok(())
+ } else {
+ try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a channel_ready message for an unfunded channel!".into())), chan_phase_entry)
+ }
},
- hash_map::Entry::Vacant(_) => Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
+ hash_map::Entry::Vacant(_) => {
+ Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
+ }
}
}
})?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- // TODO(dunxen): Fix this duplication when we switch to a single map with enums as per
- // https://github.com/lightningdevkit/rust-lightning/issues/2422
- if let hash_map::Entry::Occupied(chan_entry) = peer_state.outbound_v1_channel_by_id.entry(msg.channel_id.clone()) {
- log_error!(self.logger, "Immediately closing unfunded channel {} as peer asked to cooperatively shut it down (which is unnecessary)", log_bytes!(&msg.channel_id[..]));
- self.issue_channel_close_events(&chan_entry.get().context, ClosureReason::CounterpartyCoopClosedUnfundedChannel);
- let mut chan = remove_channel!(self, chan_entry);
- self.finish_force_close_channel(chan.context.force_shutdown(false));
- return Ok(());
- } else if let hash_map::Entry::Occupied(chan_entry) = peer_state.inbound_v1_channel_by_id.entry(msg.channel_id.clone()) {
- log_error!(self.logger, "Immediately closing unfunded channel {} as peer asked to cooperatively shut it down (which is unnecessary)", log_bytes!(&msg.channel_id[..]));
- self.issue_channel_close_events(&chan_entry.get().context, ClosureReason::CounterpartyCoopClosedUnfundedChannel);
- let mut chan = remove_channel!(self, chan_entry);
- self.finish_force_close_channel(chan.context.force_shutdown(false));
- return Ok(());
- } else if let hash_map::Entry::Occupied(mut chan_entry) = peer_state.channel_by_id.entry(msg.channel_id.clone()) {
- if !chan_entry.get().received_shutdown() {
- log_info!(self.logger, "Received a shutdown message from our counterparty for channel {}{}.",
- log_bytes!(msg.channel_id),
- if chan_entry.get().sent_shutdown() { " after we initiated shutdown" } else { "" });
- }
-
- let funding_txo_opt = chan_entry.get().context.get_funding_txo();
- let (shutdown, monitor_update_opt, htlcs) = try_chan_entry!(self,
- chan_entry.get_mut().shutdown(&self.signer_provider, &peer_state.latest_features, &msg), chan_entry);
- dropped_htlcs = htlcs;
-
- if let Some(msg) = shutdown {
- // We can send the `shutdown` message before updating the `ChannelMonitor`
- // here as we don't need the monitor update to complete until we send a
- // `shutdown_signed`, which we'll delay if we're pending a monitor update.
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
- node_id: *counterparty_node_id,
- msg,
- });
- }
+ if let hash_map::Entry::Occupied(mut chan_phase_entry) = peer_state.channel_by_id.entry(msg.channel_id.clone()) {
+ let phase = chan_phase_entry.get_mut();
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ if !chan.received_shutdown() {
+ log_info!(self.logger, "Received a shutdown message from our counterparty for channel {}{}.",
+ msg.channel_id,
+ if chan.sent_shutdown() { " after we initiated shutdown" } else { "" });
+ }
- // Update the monitor with the shutdown script if necessary.
- if let Some(monitor_update) = monitor_update_opt {
- break handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
- peer_state_lock, peer_state, per_peer_state, chan_entry).map(|_| ());
+ let funding_txo_opt = chan.context.get_funding_txo();
+ let (shutdown, monitor_update_opt, htlcs) = try_chan_phase_entry!(self,
+ chan.shutdown(&self.signer_provider, &peer_state.latest_features, &msg), chan_phase_entry);
+ dropped_htlcs = htlcs;
+
+ if let Some(msg) = shutdown {
+ // We can send the `shutdown` message before updating the `ChannelMonitor`
+ // here as we don't need the monitor update to complete until we send a
+ // `shutdown_signed`, which we'll delay if we're pending a monitor update.
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: *counterparty_node_id,
+ msg,
+ });
+ }
+ // Update the monitor with the shutdown script if necessary.
+ if let Some(monitor_update) = monitor_update_opt {
+ break handle_new_monitor_update!(self, funding_txo_opt.unwrap(), monitor_update,
+ peer_state_lock, peer_state, per_peer_state, chan_phase_entry).map(|_| ());
+ }
+ break Ok(());
+ },
+ ChannelPhase::UnfundedInboundV1(_) | ChannelPhase::UnfundedOutboundV1(_) => {
+ let context = phase.context_mut();
+ log_error!(self.logger, "Immediately closing unfunded channel {} as peer asked to cooperatively shut it down (which is unnecessary)", &msg.channel_id);
+ self.issue_channel_close_events(&context, ClosureReason::CounterpartyCoopClosedUnfundedChannel);
+ let mut chan = remove_channel_phase!(self, chan_phase_entry);
+ self.finish_force_close_channel(chan.context_mut().force_shutdown(false));
+ return Ok(());
+ },
}
- break Ok(());
} else {
return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id.clone()) {
- hash_map::Entry::Occupied(mut chan_entry) => {
- let (closing_signed, tx) = try_chan_entry!(self, chan_entry.get_mut().closing_signed(&self.fee_estimator, &msg), chan_entry);
- if let Some(msg) = closing_signed {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
- node_id: counterparty_node_id.clone(),
- msg,
- });
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let (closing_signed, tx) = try_chan_phase_entry!(self, chan.closing_signed(&self.fee_estimator, &msg), chan_phase_entry);
+ if let Some(msg) = closing_signed {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
+ node_id: counterparty_node_id.clone(),
+ msg,
+ });
+ }
+ if tx.is_some() {
+ // We're done with this channel, we've got a signed closing transaction and
+ // will send the closing_signed back to the remote peer upon return. This
+ // also implies there are no pending HTLCs left on the channel, so we can
+ // fully delete it from tracking (the channel monitor is still around to
+ // watch for old state broadcasts)!
+ (tx, Some(remove_channel_phase!(self, chan_phase_entry)))
+ } else { (tx, None) }
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a closing_signed message for an unfunded channel!".into())), chan_phase_entry);
}
- if tx.is_some() {
- // We're done with this channel, we've got a signed closing transaction and
- // will send the closing_signed back to the remote peer upon return. This
- // also implies there are no pending HTLCs left on the channel, so we can
- // fully delete it from tracking (the channel monitor is still around to
- // watch for old state broadcasts)!
- (tx, Some(remove_channel!(self, chan_entry)))
- } else { (tx, None) }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
log_info!(self.logger, "Broadcasting {}", log_tx!(broadcast_tx));
self.tx_broadcaster.broadcast_transactions(&[&broadcast_tx]);
}
- if let Some(chan) = chan_option {
+ if let Some(ChannelPhase::Funded(chan)) = chan_option {
if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
//encrypted with the same key. It's not immediately obvious how to usefully exploit that,
//but we should prevent it anyway.
+ // Note that the ChannelManager is NOT re-persisted on disk after this (unless we error
+ // closing a channel), so any changes are likely to be lost on restart!
+
let decoded_hop_res = self.decode_update_add_htlc_onion(msg);
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
-
- let pending_forward_info = match decoded_hop_res {
- Ok((next_hop, shared_secret, next_packet_pk_opt)) =>
- self.construct_pending_htlc_status(msg, shared_secret, next_hop,
- chan.get().context.config().accept_underpaying_htlcs, next_packet_pk_opt),
- Err(e) => PendingHTLCStatus::Fail(e)
- };
- let create_pending_htlc_status = |chan: &Channel<<SP::Target as SignerProvider>::Signer>, pending_forward_info: PendingHTLCStatus, error_code: u16| {
- // If the update_add is completely bogus, the call will Err and we will close,
- // but if we've sent a shutdown and they haven't acknowledged it yet, we just
- // want to reject the new HTLC and fail it backwards instead of forwarding.
- match pending_forward_info {
- PendingHTLCStatus::Forward(PendingHTLCInfo { ref incoming_shared_secret, .. }) => {
- let reason = if (error_code & 0x1000) != 0 {
- let (real_code, error_data) = self.get_htlc_inbound_temp_fail_err_and_data(error_code, chan);
- HTLCFailReason::reason(real_code, error_data)
- } else {
- HTLCFailReason::from_failure_code(error_code)
- }.get_encrypted_failure_packet(incoming_shared_secret, &None);
- let msg = msgs::UpdateFailHTLC {
- channel_id: msg.channel_id,
- htlc_id: msg.htlc_id,
- reason
- };
- PendingHTLCStatus::Fail(HTLCFailureMsg::Relay(msg))
- },
- _ => pending_forward_info
- }
- };
- try_chan_entry!(self, chan.get_mut().update_add_htlc(&msg, pending_forward_info, create_pending_htlc_status, &self.fee_estimator, &self.logger), chan);
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let pending_forward_info = match decoded_hop_res {
+ Ok((next_hop, shared_secret, next_packet_pk_opt)) =>
+ self.construct_pending_htlc_status(msg, shared_secret, next_hop,
+ chan.context.config().accept_underpaying_htlcs, next_packet_pk_opt),
+ Err(e) => PendingHTLCStatus::Fail(e)
+ };
+ let create_pending_htlc_status = |chan: &Channel<SP>, pending_forward_info: PendingHTLCStatus, error_code: u16| {
+ // If the update_add is completely bogus, the call will Err and we will close,
+ // but if we've sent a shutdown and they haven't acknowledged it yet, we just
+ // want to reject the new HTLC and fail it backwards instead of forwarding.
+ match pending_forward_info {
+ PendingHTLCStatus::Forward(PendingHTLCInfo { ref incoming_shared_secret, .. }) => {
+ let reason = if (error_code & 0x1000) != 0 {
+ let (real_code, error_data) = self.get_htlc_inbound_temp_fail_err_and_data(error_code, chan);
+ HTLCFailReason::reason(real_code, error_data)
+ } else {
+ HTLCFailReason::from_failure_code(error_code)
+ }.get_encrypted_failure_packet(incoming_shared_secret, &None);
+ let msg = msgs::UpdateFailHTLC {
+ channel_id: msg.channel_id,
+ htlc_id: msg.htlc_id,
+ reason
+ };
+ PendingHTLCStatus::Fail(HTLCFailureMsg::Relay(msg))
+ },
+ _ => pending_forward_info
+ }
+ };
+ try_chan_phase_entry!(self, chan.update_add_htlc(&msg, pending_forward_info, create_pending_htlc_status, &self.fee_estimator, &self.logger), chan_phase_entry);
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an update_add_htlc message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
}
fn internal_update_fulfill_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), MsgHandleErrInternal> {
+ let funding_txo;
let (htlc_source, forwarded_htlc_value) = {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- try_chan_entry!(self, chan.get_mut().update_fulfill_htlc(&msg), chan)
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let res = try_chan_phase_entry!(self, chan.update_fulfill_htlc(&msg), chan_phase_entry);
+ if let HTLCSource::PreviousHopData(prev_hop) = &res.0 {
+ peer_state.actions_blocking_raa_monitor_updates.entry(msg.channel_id)
+ .or_insert_with(Vec::new)
+ .push(RAAMonitorUpdateBlockingAction::from_prev_hop_data(&prev_hop));
+ }
+ // Note that we do not need to push an `actions_blocking_raa_monitor_updates`
+ // entry here, even though we *do* need to block the next RAA monitor update.
+ // We do this instead in the `claim_funds_internal` by attaching a
+ // `ReleaseRAAChannelMonitorUpdate` action to the event generated when the
+ // outbound HTLC is claimed. This is guaranteed to all complete before we
+ // process the RAA as messages are processed from single peers serially.
+ funding_txo = chan.context.get_funding_txo().expect("We won't accept a fulfill until funded");
+ res
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an update_fulfill_htlc message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
};
- self.claim_funds_internal(htlc_source, msg.payment_preimage.clone(), Some(forwarded_htlc_value), false, msg.channel_id);
+ self.claim_funds_internal(htlc_source, msg.payment_preimage.clone(), Some(forwarded_htlc_value), false, Some(*counterparty_node_id), funding_txo);
Ok(())
}
fn internal_update_fail_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), MsgHandleErrInternal> {
+ // Note that the ChannelManager is NOT re-persisted on disk after this (unless we error
+ // closing a channel), so any changes are likely to be lost on restart!
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
.ok_or_else(|| {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::from_msg(msg)), chan);
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ try_chan_phase_entry!(self, chan.update_fail_htlc(&msg, HTLCFailReason::from_msg(msg)), chan_phase_entry);
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an update_fail_htlc message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
}
fn internal_update_fail_malformed_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), MsgHandleErrInternal> {
+ // Note that the ChannelManager is NOT re-persisted on disk after this (unless we error
+ // closing a channel), so any changes are likely to be lost on restart!
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
.ok_or_else(|| {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
if (msg.failure_code & 0x8000) == 0 {
let chan_err: ChannelError = ChannelError::Close("Got update_fail_malformed_htlc with BADONION not set".to_owned());
- try_chan_entry!(self, Err(chan_err), chan);
+ try_chan_phase_entry!(self, Err(chan_err), chan_phase_entry);
+ }
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ try_chan_phase_entry!(self, chan.update_fail_malformed_htlc(&msg, HTLCFailReason::reason(msg.failure_code, msg.sha256_of_onion.to_vec())), chan_phase_entry);
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an update_fail_malformed_htlc message for an unfunded channel!".into())), chan_phase_entry);
}
- try_chan_entry!(self, chan.get_mut().update_fail_malformed_htlc(&msg, HTLCFailReason::reason(msg.failure_code, msg.sha256_of_onion.to_vec())), chan);
Ok(())
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- let funding_txo = chan.get().context.get_funding_txo();
- let monitor_update_opt = try_chan_entry!(self, chan.get_mut().commitment_signed(&msg, &self.logger), chan);
- if let Some(monitor_update) = monitor_update_opt {
- handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update, peer_state_lock,
- peer_state, per_peer_state, chan).map(|_| ())
- } else { Ok(()) }
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let funding_txo = chan.context.get_funding_txo();
+ let monitor_update_opt = try_chan_phase_entry!(self, chan.commitment_signed(&msg, &self.logger), chan_phase_entry);
+ if let Some(monitor_update) = monitor_update_opt {
+ handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update, peer_state_lock,
+ peer_state, per_peer_state, chan_phase_entry).map(|_| ())
+ } else { Ok(()) }
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a commitment_signed message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
log_info!(self.logger, "Failed to forward incoming HTLC: detected duplicate intercepted payment over short channel id {}", scid);
let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: prev_short_channel_id,
+ user_channel_id: Some(prev_user_channel_id),
outpoint: prev_funding_outpoint,
htlc_id: prev_htlc_id,
incoming_packet_shared_secret: forward_info.incoming_shared_secret,
/// completes. Note that this needs to happen in the same [`PeerState`] mutex as any release of
/// the [`ChannelMonitorUpdate`] in question.
fn raa_monitor_updates_held(&self,
- actions_blocking_raa_monitor_updates: &BTreeMap<[u8; 32], Vec<RAAMonitorUpdateBlockingAction>>,
+ actions_blocking_raa_monitor_updates: &BTreeMap<ChannelId, Vec<RAAMonitorUpdateBlockingAction>>,
channel_funding_outpoint: OutPoint, counterparty_node_id: PublicKey
) -> bool {
actions_blocking_raa_monitor_updates
})
}
+ #[cfg(any(test, feature = "_test_utils"))]
+ pub(crate) fn test_raa_monitor_updates_held(&self,
+ counterparty_node_id: PublicKey, channel_id: ChannelId
+ ) -> bool {
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ if let Some(peer_state_mtx) = per_peer_state.get(&counterparty_node_id) {
+ let mut peer_state_lck = peer_state_mtx.lock().unwrap();
+ let peer_state = &mut *peer_state_lck;
+
+ if let Some(chan) = peer_state.channel_by_id.get(&channel_id) {
+ return self.raa_monitor_updates_held(&peer_state.actions_blocking_raa_monitor_updates,
+ chan.context().get_funding_txo().unwrap(), counterparty_node_id);
+ }
+ }
+ false
+ }
+
fn internal_revoke_and_ack(&self, counterparty_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), MsgHandleErrInternal> {
let (htlcs_to_fail, res) = {
let per_peer_state = self.per_peer_state.read().unwrap();
}).map(|mtx| mtx.lock().unwrap())?;
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- let funding_txo = chan.get().context.get_funding_txo();
- let (htlcs_to_fail, monitor_update_opt) = try_chan_entry!(self, chan.get_mut().revoke_and_ack(&msg, &self.fee_estimator, &self.logger), chan);
- let res = if let Some(monitor_update) = monitor_update_opt {
- handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update,
- peer_state_lock, peer_state, per_peer_state, chan).map(|_| ())
- } else { Ok(()) };
- (htlcs_to_fail, res)
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ let funding_txo_opt = chan.context.get_funding_txo();
+ let mon_update_blocked = if let Some(funding_txo) = funding_txo_opt {
+ self.raa_monitor_updates_held(
+ &peer_state.actions_blocking_raa_monitor_updates, funding_txo,
+ *counterparty_node_id)
+ } else { false };
+ let (htlcs_to_fail, monitor_update_opt) = try_chan_phase_entry!(self,
+ chan.revoke_and_ack(&msg, &self.fee_estimator, &self.logger, mon_update_blocked), chan_phase_entry);
+ let res = if let Some(monitor_update) = monitor_update_opt {
+ let funding_txo = funding_txo_opt
+ .expect("Funding outpoint must have been set for RAA handling to succeed");
+ handle_new_monitor_update!(self, funding_txo, monitor_update,
+ peer_state_lock, peer_state, per_peer_state, chan_phase_entry).map(|_| ())
+ } else { Ok(()) };
+ (htlcs_to_fail, res)
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a revoke_and_ack message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- try_chan_entry!(self, chan.get_mut().update_fee(&self.fee_estimator, &msg, &self.logger), chan);
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ try_chan_phase_entry!(self, chan.update_fee(&self.fee_estimator, &msg, &self.logger), chan_phase_entry);
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an update_fee message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- if !chan.get().context.is_usable() {
- return Err(MsgHandleErrInternal::from_no_close(LightningError{err: "Got an announcement_signatures before we were ready for it".to_owned(), action: msgs::ErrorAction::IgnoreError}));
- }
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ if !chan.context.is_usable() {
+ return Err(MsgHandleErrInternal::from_no_close(LightningError{err: "Got an announcement_signatures before we were ready for it".to_owned(), action: msgs::ErrorAction::IgnoreError}));
+ }
- peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
- msg: try_chan_entry!(self, chan.get_mut().announcement_signatures(
- &self.node_signer, self.genesis_hash.clone(), self.best_block.read().unwrap().height(),
- msg, &self.default_configuration
- ), chan),
- // Note that announcement_signatures fails if the channel cannot be announced,
- // so get_channel_update_for_broadcast will never fail by the time we get here.
- update_msg: Some(self.get_channel_update_for_broadcast(chan.get()).unwrap()),
- });
+ peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
+ msg: try_chan_phase_entry!(self, chan.announcement_signatures(
+ &self.node_signer, self.genesis_hash.clone(), self.best_block.read().unwrap().height(),
+ msg, &self.default_configuration
+ ), chan_phase_entry),
+ // Note that announcement_signatures fails if the channel cannot be announced,
+ // so get_channel_update_for_broadcast will never fail by the time we get here.
+ update_msg: Some(self.get_channel_update_for_broadcast(chan).unwrap()),
+ });
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got an announcement_signatures message for an unfunded channel!".into())), chan_phase_entry);
+ }
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
Ok(())
}
- /// Returns ShouldPersist if anything changed, otherwise either SkipPersist or an Err.
+ /// Returns DoPersist if anything changed, otherwise either SkipPersistNoEvents or an Err.
fn internal_channel_update(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelUpdate) -> Result<NotifyOption, MsgHandleErrInternal> {
let (chan_counterparty_node_id, chan_id) = match self.short_to_chan_info.read().unwrap().get(&msg.contents.short_channel_id) {
Some((cp_id, chan_id)) => (cp_id.clone(), chan_id.clone()),
None => {
// It's not a local channel
- return Ok(NotifyOption::SkipPersist)
+ return Ok(NotifyOption::SkipPersistNoEvents)
}
};
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex_opt = per_peer_state.get(&chan_counterparty_node_id);
if peer_state_mutex_opt.is_none() {
- return Ok(NotifyOption::SkipPersist)
+ return Ok(NotifyOption::SkipPersistNoEvents)
}
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(chan_id) {
- hash_map::Entry::Occupied(mut chan) => {
- if chan.get().context.get_counterparty_node_id() != *counterparty_node_id {
- if chan.get().context.should_announce() {
- // If the announcement is about a channel of ours which is public, some
- // other peer may simply be forwarding all its gossip to us. Don't provide
- // a scary-looking error message and return Ok instead.
- return Ok(NotifyOption::SkipPersist);
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ if chan.context.get_counterparty_node_id() != *counterparty_node_id {
+ if chan.context.should_announce() {
+ // If the announcement is about a channel of ours which is public, some
+ // other peer may simply be forwarding all its gossip to us. Don't provide
+ // a scary-looking error message and return Ok instead.
+ return Ok(NotifyOption::SkipPersistNoEvents);
+ }
+ return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a channel_update for a channel from the wrong node - it shouldn't know about our private channels!".to_owned(), chan_id));
+ }
+ let were_node_one = self.get_our_node_id().serialize()[..] < chan.context.get_counterparty_node_id().serialize()[..];
+ let msg_from_node_one = msg.contents.flags & 1 == 0;
+ if were_node_one == msg_from_node_one {
+ return Ok(NotifyOption::SkipPersistNoEvents);
+ } else {
+ log_debug!(self.logger, "Received channel_update for channel {}.", chan_id);
+ try_chan_phase_entry!(self, chan.channel_update(&msg), chan_phase_entry);
}
- return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a channel_update for a channel from the wrong node - it shouldn't know about our private channels!".to_owned(), chan_id));
- }
- let were_node_one = self.get_our_node_id().serialize()[..] < chan.get().context.get_counterparty_node_id().serialize()[..];
- let msg_from_node_one = msg.contents.flags & 1 == 0;
- if were_node_one == msg_from_node_one {
- return Ok(NotifyOption::SkipPersist);
} else {
- log_debug!(self.logger, "Received channel_update for channel {}.", log_bytes!(chan_id));
- try_chan_entry!(self, chan.get_mut().channel_update(&msg), chan);
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a channel_update for an unfunded channel!".into())), chan_phase_entry);
}
},
- hash_map::Entry::Vacant(_) => return Ok(NotifyOption::SkipPersist)
+ hash_map::Entry::Vacant(_) => return Ok(NotifyOption::SkipPersistNoEvents)
}
Ok(NotifyOption::DoPersist)
}
- fn internal_channel_reestablish(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), MsgHandleErrInternal> {
+ fn internal_channel_reestablish(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<NotifyOption, MsgHandleErrInternal> {
let htlc_forwards;
let need_lnd_workaround = {
let per_peer_state = self.per_peer_state.read().unwrap();
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
match peer_state.channel_by_id.entry(msg.channel_id) {
- hash_map::Entry::Occupied(mut chan) => {
- // Currently, we expect all holding cell update_adds to be dropped on peer
- // disconnect, so Channel's reestablish will never hand us any holding cell
- // freed HTLCs to fail backwards. If in the future we no longer drop pending
- // add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
- let responses = try_chan_entry!(self, chan.get_mut().channel_reestablish(
- msg, &self.logger, &self.node_signer, self.genesis_hash,
- &self.default_configuration, &*self.best_block.read().unwrap()), chan);
- let mut channel_update = None;
- if let Some(msg) = responses.shutdown_msg {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
- node_id: counterparty_node_id.clone(),
- msg,
- });
- } else if chan.get().context.is_usable() {
- // If the channel is in a usable state (ie the channel is not being shut
- // down), send a unicast channel_update to our counterparty to make sure
- // they have the latest channel parameters.
- if let Ok(msg) = self.get_channel_update_for_unicast(chan.get()) {
- channel_update = Some(events::MessageSendEvent::SendChannelUpdate {
- node_id: chan.get().context.get_counterparty_node_id(),
+ hash_map::Entry::Occupied(mut chan_phase_entry) => {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ // Currently, we expect all holding cell update_adds to be dropped on peer
+ // disconnect, so Channel's reestablish will never hand us any holding cell
+ // freed HTLCs to fail backwards. If in the future we no longer drop pending
+ // add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
+ let responses = try_chan_phase_entry!(self, chan.channel_reestablish(
+ msg, &self.logger, &self.node_signer, self.genesis_hash,
+ &self.default_configuration, &*self.best_block.read().unwrap()), chan_phase_entry);
+ let mut channel_update = None;
+ if let Some(msg) = responses.shutdown_msg {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: counterparty_node_id.clone(),
msg,
});
+ } else if chan.context.is_usable() {
+ // If the channel is in a usable state (ie the channel is not being shut
+ // down), send a unicast channel_update to our counterparty to make sure
+ // they have the latest channel parameters.
+ if let Ok(msg) = self.get_channel_update_for_unicast(chan) {
+ channel_update = Some(events::MessageSendEvent::SendChannelUpdate {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg,
+ });
+ }
}
+ let need_lnd_workaround = chan.context.workaround_lnd_bug_4006.take();
+ htlc_forwards = self.handle_channel_resumption(
+ &mut peer_state.pending_msg_events, chan, responses.raa, responses.commitment_update, responses.order,
+ Vec::new(), None, responses.channel_ready, responses.announcement_sigs);
+ if let Some(upd) = channel_update {
+ peer_state.pending_msg_events.push(upd);
+ }
+ need_lnd_workaround
+ } else {
+ return try_chan_phase_entry!(self, Err(ChannelError::Close(
+ "Got a channel_reestablish message for an unfunded channel!".into())), chan_phase_entry);
}
- let need_lnd_workaround = chan.get_mut().context.workaround_lnd_bug_4006.take();
- htlc_forwards = self.handle_channel_resumption(
- &mut peer_state.pending_msg_events, chan.get_mut(), responses.raa, responses.commitment_update, responses.order,
- Vec::new(), None, responses.channel_ready, responses.announcement_sigs);
- if let Some(upd) = channel_update {
- peer_state.pending_msg_events.push(upd);
- }
- need_lnd_workaround
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
}
};
+ let mut persist = NotifyOption::SkipPersistHandleEvents;
if let Some(forwards) = htlc_forwards {
self.forward_htlcs(&mut [forwards][..]);
+ persist = NotifyOption::DoPersist;
}
if let Some(channel_ready_msg) = need_lnd_workaround {
self.internal_channel_ready(counterparty_node_id, &channel_ready_msg)?;
}
- Ok(())
+ Ok(persist)
}
/// Process pending events from the [`chain::Watch`], returning whether any events were processed.
match monitor_event {
MonitorEvent::HTLCEvent(htlc_update) => {
if let Some(preimage) = htlc_update.payment_preimage {
- log_trace!(self.logger, "Claiming HTLC with preimage {} from our monitor", log_bytes!(preimage.0));
- self.claim_funds_internal(htlc_update.source, preimage, htlc_update.htlc_value_satoshis.map(|v| v * 1000), true, funding_outpoint.to_channel_id());
+ log_trace!(self.logger, "Claiming HTLC with preimage {} from our monitor", preimage);
+ self.claim_funds_internal(htlc_update.source, preimage, htlc_update.htlc_value_satoshis.map(|v| v * 1000), true, counterparty_node_id, funding_outpoint);
} else {
- log_trace!(self.logger, "Failing HTLC with hash {} from our monitor", log_bytes!(htlc_update.payment_hash.0));
+ log_trace!(self.logger, "Failing HTLC with hash {} from our monitor", &htlc_update.payment_hash);
let receiver = HTLCDestination::NextHopChannel { node_id: counterparty_node_id, channel_id: funding_outpoint.to_channel_id() };
let reason = HTLCFailReason::from_failure_code(0x4000 | 8);
self.fail_htlc_backwards_internal(&htlc_update.source, &htlc_update.payment_hash, &reason, receiver);
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
- if let hash_map::Entry::Occupied(chan_entry) = peer_state.channel_by_id.entry(funding_outpoint.to_channel_id()) {
- let mut chan = remove_channel!(self, chan_entry);
- failed_channels.push(chan.context.force_shutdown(false));
- if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: update
+ if let hash_map::Entry::Occupied(chan_phase_entry) = peer_state.channel_by_id.entry(funding_outpoint.to_channel_id()) {
+ if let ChannelPhase::Funded(mut chan) = remove_channel_phase!(self, chan_phase_entry) {
+ failed_channels.push(chan.context.force_shutdown(false));
+ if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
+ }
+ let reason = if let MonitorEvent::UpdateFailed(_) = monitor_event {
+ ClosureReason::ProcessingError { err: "Failed to persist ChannelMonitor update during chain sync".to_string() }
+ } else {
+ ClosureReason::CommitmentTxConfirmed
+ };
+ self.issue_channel_close_events(&chan.context, reason);
+ pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: chan.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage {
+ msg: msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() }
+ },
});
}
- let reason = if let MonitorEvent::UpdateFailed(_) = monitor_event {
- ClosureReason::ProcessingError { err: "Failed to persist ChannelMonitor update during chain sync".to_string() }
- } else {
- ClosureReason::CommitmentTxConfirmed
- };
- self.issue_channel_close_events(&chan.context, reason);
- pending_msg_events.push(events::MessageSendEvent::HandleError {
- node_id: chan.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() }
- },
- });
}
}
}
'chan_loop: loop {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state: &mut PeerState<_> = &mut *peer_state_lock;
- for (channel_id, chan) in peer_state.channel_by_id.iter_mut() {
+ for (channel_id, chan) in peer_state.channel_by_id.iter_mut().filter_map(
+ |(chan_id, phase)| if let ChannelPhase::Funded(chan) = phase { Some((chan_id, chan)) } else { None }
+ ) {
let counterparty_node_id = chan.context.get_counterparty_node_id();
let funding_txo = chan.context.get_funding_txo();
let (monitor_opt, holding_cell_failed_htlcs) =
if let Some(monitor_update) = monitor_opt {
has_monitor_update = true;
- let channel_id: [u8; 32] = *channel_id;
+ let channel_id: ChannelId = *channel_id;
let res = handle_new_monitor_update!(self, funding_txo.unwrap(), monitor_update,
peer_state_lock, peer_state, per_peer_state, chan, MANUALLY_REMOVING,
peer_state.channel_by_id.remove(&channel_id));
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
- peer_state.channel_by_id.retain(|channel_id, chan| {
- match chan.maybe_propose_closing_signed(&self.fee_estimator, &self.logger) {
- Ok((msg_opt, tx_opt)) => {
- if let Some(msg) = msg_opt {
- has_update = true;
- pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
- node_id: chan.context.get_counterparty_node_id(), msg,
- });
- }
- if let Some(tx) = tx_opt {
- // We're done with this channel. We got a closing_signed and sent back
- // a closing_signed with a closing transaction to broadcast.
- if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: update
- });
- }
+ peer_state.channel_by_id.retain(|channel_id, phase| {
+ match phase {
+ ChannelPhase::Funded(chan) => {
+ match chan.maybe_propose_closing_signed(&self.fee_estimator, &self.logger) {
+ Ok((msg_opt, tx_opt)) => {
+ if let Some(msg) = msg_opt {
+ has_update = true;
+ pending_msg_events.push(events::MessageSendEvent::SendClosingSigned {
+ node_id: chan.context.get_counterparty_node_id(), msg,
+ });
+ }
+ if let Some(tx) = tx_opt {
+ // We're done with this channel. We got a closing_signed and sent back
+ // a closing_signed with a closing transaction to broadcast.
+ if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
+ }
- self.issue_channel_close_events(&chan.context, ClosureReason::CooperativeClosure);
+ self.issue_channel_close_events(&chan.context, ClosureReason::CooperativeClosure);
- log_info!(self.logger, "Broadcasting {}", log_tx!(tx));
- self.tx_broadcaster.broadcast_transactions(&[&tx]);
- update_maps_on_chan_removal!(self, &chan.context);
- false
- } else { true }
+ log_info!(self.logger, "Broadcasting {}", log_tx!(tx));
+ self.tx_broadcaster.broadcast_transactions(&[&tx]);
+ update_maps_on_chan_removal!(self, &chan.context);
+ false
+ } else { true }
+ },
+ Err(e) => {
+ has_update = true;
+ let (close_channel, res) = convert_chan_phase_err!(self, e, chan, channel_id, FUNDED_CHANNEL);
+ handle_errors.push((chan.context.get_counterparty_node_id(), Err(res)));
+ !close_channel
+ }
+ }
},
- Err(e) => {
- has_update = true;
- let (close_channel, res) = convert_chan_err!(self, e, chan, channel_id);
- handle_errors.push((chan.context.get_counterparty_node_id(), Err(res)));
- !close_channel
- }
+ _ => true, // Retain unfunded channels if present.
}
});
}
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for chan in peer_state.channel_by_id.values() {
+ for chan in peer_state.channel_by_id.values().filter_map(
+ |phase| if let ChannelPhase::Funded(chan) = phase { Some(chan) } else { None }
+ ) {
for (htlc_source, _) in chan.inflight_htlc_sources() {
if let HTLCSource::OutboundRoute { path, .. } = htlc_source {
inflight_htlcs.process_path(path, self.get_our_node_id());
// blocking monitor updates for this channel. If we do, release the monitor
// update(s) when those blockers complete.
log_trace!(self.logger, "Delaying monitor unlock for channel {} as another channel's mon update needs to complete first",
- log_bytes!(&channel_funding_outpoint.to_channel_id()[..]));
+ &channel_funding_outpoint.to_channel_id());
break;
}
- if let hash_map::Entry::Occupied(mut chan) = peer_state.channel_by_id.entry(channel_funding_outpoint.to_channel_id()) {
- debug_assert_eq!(chan.get().context.get_funding_txo().unwrap(), channel_funding_outpoint);
- if let Some((monitor_update, further_update_exists)) = chan.get_mut().unblock_next_blocked_monitor_update() {
- log_debug!(self.logger, "Unlocking monitor updating for channel {} and updating monitor",
- log_bytes!(&channel_funding_outpoint.to_channel_id()[..]));
- if let Err(e) = handle_new_monitor_update!(self, channel_funding_outpoint, monitor_update,
- peer_state_lck, peer_state, per_peer_state, chan)
- {
- errors.push((e, counterparty_node_id));
- }
- if further_update_exists {
- // If there are more `ChannelMonitorUpdate`s to process, restart at the
- // top of the loop.
- continue;
+ if let hash_map::Entry::Occupied(mut chan_phase_entry) = peer_state.channel_by_id.entry(channel_funding_outpoint.to_channel_id()) {
+ if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
+ debug_assert_eq!(chan.context.get_funding_txo().unwrap(), channel_funding_outpoint);
+ if let Some((monitor_update, further_update_exists)) = chan.unblock_next_blocked_monitor_update() {
+ log_debug!(self.logger, "Unlocking monitor updating for channel {} and updating monitor",
+ channel_funding_outpoint.to_channel_id());
+ if let Err(e) = handle_new_monitor_update!(self, channel_funding_outpoint, monitor_update,
+ peer_state_lck, peer_state, per_peer_state, chan_phase_entry)
+ {
+ errors.push((e, counterparty_node_id));
+ }
+ if further_update_exists {
+ // If there are more `ChannelMonitorUpdate`s to process, restart at the
+ // top of the loop.
+ continue;
+ }
+ } else {
+ log_trace!(self.logger, "Unlocked monitor updating for channel {} without monitors to update",
+ channel_funding_outpoint.to_channel_id());
}
- } else {
- log_trace!(self.logger, "Unlocked monitor updating for channel {} without monitors to update",
- log_bytes!(&channel_funding_outpoint.to_channel_id()[..]));
}
}
} else {
/// the `MessageSendEvent`s to the specific peer they were generated under.
fn get_and_clear_pending_msg_events(&self) -> Vec<MessageSendEvent> {
let events = RefCell::new(Vec::new());
- PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock, &self.persistence_notifier, || {
- let mut result = self.process_background_events();
+ PersistenceNotifierGuard::optionally_notify(self, || {
+ let mut result = NotifyOption::SkipPersistNoEvents;
// TODO: This behavior should be documented. It's unintuitive that we query
// ChannelMonitors when clearing other events.
}
fn block_disconnected(&self, header: &BlockHeader, height: u32) {
- let _persistence_guard = PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock,
- &self.persistence_notifier, || -> NotifyOption { NotifyOption::DoPersist });
+ let _persistence_guard =
+ PersistenceNotifierGuard::optionally_notify_skipping_background_events(
+ self, || -> NotifyOption { NotifyOption::DoPersist });
let new_height = height - 1;
{
let mut best_block = self.best_block.write().unwrap();
let block_hash = header.block_hash();
log_trace!(self.logger, "{} transactions included in block {} at height {} provided", txdata.len(), block_hash, height);
- let _persistence_guard = PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock,
- &self.persistence_notifier, || -> NotifyOption { NotifyOption::DoPersist });
+ let _persistence_guard =
+ PersistenceNotifierGuard::optionally_notify_skipping_background_events(
+ self, || -> NotifyOption { NotifyOption::DoPersist });
self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger)
.map(|(a, b)| (a, Vec::new(), b)));
let block_hash = header.block_hash();
log_trace!(self.logger, "New best block: {} at height {}", block_hash, height);
- let _persistence_guard = PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock,
- &self.persistence_notifier, || -> NotifyOption { NotifyOption::DoPersist });
+ let _persistence_guard =
+ PersistenceNotifierGuard::optionally_notify_skipping_background_events(
+ self, || -> NotifyOption { NotifyOption::DoPersist });
*self.best_block.write().unwrap() = BestBlock::new(block_hash, height);
self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
for (_cp_id, peer_state_mutex) in self.per_peer_state.read().unwrap().iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for chan in peer_state.channel_by_id.values() {
+ for chan in peer_state.channel_by_id.values().filter_map(|phase| if let ChannelPhase::Funded(chan) = phase { Some(chan) } else { None }) {
if let (Some(funding_txo), Some(block_hash)) = (chan.context.get_funding_txo(), chan.context.get_funding_tx_confirmed_in()) {
res.push((funding_txo.txid, Some(block_hash)));
}
}
fn transaction_unconfirmed(&self, txid: &Txid) {
- let _persistence_guard = PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock,
- &self.persistence_notifier, || -> NotifyOption { NotifyOption::DoPersist });
+ let _persistence_guard =
+ PersistenceNotifierGuard::optionally_notify_skipping_background_events(
+ self, || -> NotifyOption { NotifyOption::DoPersist });
self.do_chain_event(None, |channel| {
if let Some(funding_txo) = channel.context.get_funding_txo() {
if funding_txo.txid == *txid {
/// Calls a function which handles an on-chain event (blocks dis/connected, transactions
/// un/confirmed, etc) on each channel, handling any resulting errors or messages generated by
/// the function.
- fn do_chain_event<FN: Fn(&mut Channel<<SP::Target as SignerProvider>::Signer>) -> Result<(Option<msgs::ChannelReady>, Vec<(HTLCSource, PaymentHash)>, Option<msgs::AnnouncementSignatures>), ClosureReason>>
+ fn do_chain_event<FN: Fn(&mut Channel<SP>) -> Result<(Option<msgs::ChannelReady>, Vec<(HTLCSource, PaymentHash)>, Option<msgs::AnnouncementSignatures>), ClosureReason>>
(&self, height_opt: Option<u32>, f: FN) {
// Note that we MUST NOT end up calling methods on self.chain_monitor here - we're called
// during initialization prior to the chain_monitor being fully configured in some cases.
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
- peer_state.channel_by_id.retain(|_, channel| {
- let res = f(channel);
- if let Ok((channel_ready_opt, mut timed_out_pending_htlcs, announcement_sigs)) = res {
- for (source, payment_hash) in timed_out_pending_htlcs.drain(..) {
- let (failure_code, data) = self.get_htlc_inbound_temp_fail_err_and_data(0x1000|14 /* expiry_too_soon */, &channel);
- timed_out_htlcs.push((source, payment_hash, HTLCFailReason::reason(failure_code, data),
- HTLCDestination::NextHopChannel { node_id: Some(channel.context.get_counterparty_node_id()), channel_id: channel.context.channel_id() }));
- }
- if let Some(channel_ready) = channel_ready_opt {
- send_channel_ready!(self, pending_msg_events, channel, channel_ready);
- if channel.context.is_usable() {
- log_trace!(self.logger, "Sending channel_ready with private initial channel_update for our counterparty on channel {}", log_bytes!(channel.context.channel_id()));
- if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
- pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
- node_id: channel.context.get_counterparty_node_id(),
- msg,
- });
+ peer_state.channel_by_id.retain(|_, phase| {
+ match phase {
+ // Retain unfunded channels.
+ ChannelPhase::UnfundedOutboundV1(_) | ChannelPhase::UnfundedInboundV1(_) => true,
+ ChannelPhase::Funded(channel) => {
+ let res = f(channel);
+ if let Ok((channel_ready_opt, mut timed_out_pending_htlcs, announcement_sigs)) = res {
+ for (source, payment_hash) in timed_out_pending_htlcs.drain(..) {
+ let (failure_code, data) = self.get_htlc_inbound_temp_fail_err_and_data(0x1000|14 /* expiry_too_soon */, &channel);
+ timed_out_htlcs.push((source, payment_hash, HTLCFailReason::reason(failure_code, data),
+ HTLCDestination::NextHopChannel { node_id: Some(channel.context.get_counterparty_node_id()), channel_id: channel.context.channel_id() }));
+ }
+ if let Some(channel_ready) = channel_ready_opt {
+ send_channel_ready!(self, pending_msg_events, channel, channel_ready);
+ if channel.context.is_usable() {
+ log_trace!(self.logger, "Sending channel_ready with private initial channel_update for our counterparty on channel {}", channel.context.channel_id());
+ if let Ok(msg) = self.get_channel_update_for_unicast(channel) {
+ pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
+ node_id: channel.context.get_counterparty_node_id(),
+ msg,
+ });
+ }
+ } else {
+ log_trace!(self.logger, "Sending channel_ready WITHOUT channel_update for {}", channel.context.channel_id());
+ }
}
- } else {
- log_trace!(self.logger, "Sending channel_ready WITHOUT channel_update for {}", log_bytes!(channel.context.channel_id()));
- }
- }
- {
- let mut pending_events = self.pending_events.lock().unwrap();
- emit_channel_ready_event!(pending_events, channel);
- }
+ {
+ let mut pending_events = self.pending_events.lock().unwrap();
+ emit_channel_ready_event!(pending_events, channel);
+ }
- if let Some(announcement_sigs) = announcement_sigs {
- log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(channel.context.channel_id()));
- pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: channel.context.get_counterparty_node_id(),
- msg: announcement_sigs,
- });
- if let Some(height) = height_opt {
- if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.genesis_hash, height, &self.default_configuration) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
- msg: announcement,
- // Note that announcement_signatures fails if the channel cannot be announced,
- // so get_channel_update_for_broadcast will never fail by the time we get here.
- update_msg: Some(self.get_channel_update_for_broadcast(channel).unwrap()),
+ if let Some(announcement_sigs) = announcement_sigs {
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", channel.context.channel_id());
+ pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ node_id: channel.context.get_counterparty_node_id(),
+ msg: announcement_sigs,
});
+ if let Some(height) = height_opt {
+ if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.genesis_hash, height, &self.default_configuration) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
+ msg: announcement,
+ // Note that announcement_signatures fails if the channel cannot be announced,
+ // so get_channel_update_for_broadcast will never fail by the time we get here.
+ update_msg: Some(self.get_channel_update_for_broadcast(channel).unwrap()),
+ });
+ }
+ }
}
+ if channel.is_our_channel_ready() {
+ if let Some(real_scid) = channel.context.get_short_channel_id() {
+ // If we sent a 0conf channel_ready, and now have an SCID, we add it
+ // to the short_to_chan_info map here. Note that we check whether we
+ // can relay using the real SCID at relay-time (i.e.
+ // enforce option_scid_alias then), and if the funding tx is ever
+ // un-confirmed we force-close the channel, ensuring short_to_chan_info
+ // is always consistent.
+ let mut short_to_chan_info = self.short_to_chan_info.write().unwrap();
+ let scid_insert = short_to_chan_info.insert(real_scid, (channel.context.get_counterparty_node_id(), channel.context.channel_id()));
+ assert!(scid_insert.is_none() || scid_insert.unwrap() == (channel.context.get_counterparty_node_id(), channel.context.channel_id()),
+ "SCIDs should never collide - ensure you weren't behind by a full {} blocks when creating channels",
+ fake_scid::MAX_SCID_BLOCKS_FROM_NOW);
+ }
+ }
+ } else if let Err(reason) = res {
+ update_maps_on_chan_removal!(self, &channel.context);
+ // It looks like our counterparty went on-chain or funding transaction was
+ // reorged out of the main chain. Close the channel.
+ failed_channels.push(channel.context.force_shutdown(true));
+ if let Ok(update) = self.get_channel_update_for_broadcast(&channel) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
+ msg: update
+ });
+ }
+ let reason_message = format!("{}", reason);
+ self.issue_channel_close_events(&channel.context, reason);
+ pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: channel.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage {
+ channel_id: channel.context.channel_id(),
+ data: reason_message,
+ } },
+ });
+ return false;
}
+ true
}
- if channel.is_our_channel_ready() {
- if let Some(real_scid) = channel.context.get_short_channel_id() {
- // If we sent a 0conf channel_ready, and now have an SCID, we add it
- // to the short_to_chan_info map here. Note that we check whether we
- // can relay using the real SCID at relay-time (i.e.
- // enforce option_scid_alias then), and if the funding tx is ever
- // un-confirmed we force-close the channel, ensuring short_to_chan_info
- // is always consistent.
- let mut short_to_chan_info = self.short_to_chan_info.write().unwrap();
- let scid_insert = short_to_chan_info.insert(real_scid, (channel.context.get_counterparty_node_id(), channel.context.channel_id()));
- assert!(scid_insert.is_none() || scid_insert.unwrap() == (channel.context.get_counterparty_node_id(), channel.context.channel_id()),
- "SCIDs should never collide - ensure you weren't behind by a full {} blocks when creating channels",
- fake_scid::MAX_SCID_BLOCKS_FROM_NOW);
- }
- }
- } else if let Err(reason) = res {
- update_maps_on_chan_removal!(self, &channel.context);
- // It looks like our counterparty went on-chain or funding transaction was
- // reorged out of the main chain. Close the channel.
- failed_channels.push(channel.context.force_shutdown(true));
- if let Ok(update) = self.get_channel_update_for_broadcast(&channel) {
- pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
- msg: update
- });
- }
- let reason_message = format!("{}", reason);
- self.issue_channel_close_events(&channel.context, reason);
- pending_msg_events.push(events::MessageSendEvent::HandleError {
- node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage {
- channel_id: channel.context.channel_id(),
- data: reason_message,
- } },
- });
- return false;
}
- true
});
}
}
if height >= htlc.forward_info.outgoing_cltv_value - HTLC_FAIL_BACK_BUFFER {
let prev_hop_data = HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: htlc.prev_short_channel_id,
+ user_channel_id: Some(htlc.prev_user_channel_id),
htlc_id: htlc.prev_htlc_id,
incoming_packet_shared_secret: htlc.forward_info.incoming_shared_secret,
phantom_shared_secret: None,
}
}
- /// Gets a [`Future`] that completes when this [`ChannelManager`] needs to be persisted.
+ /// Gets a [`Future`] that completes when this [`ChannelManager`] may need to be persisted or
+ /// may have events that need processing.
+ ///
+ /// In order to check if this [`ChannelManager`] needs persisting, call
+ /// [`Self::get_and_clear_needs_persistence`].
///
/// Note that callbacks registered on the [`Future`] MUST NOT call back into this
/// [`ChannelManager`] and should instead register actions to be taken later.
- ///
- pub fn get_persistable_update_future(&self) -> Future {
- self.persistence_notifier.get_future()
+ pub fn get_event_or_persistence_needed_future(&self) -> Future {
+ self.event_persist_notifier.get_future()
+ }
+
+ /// Returns true if this [`ChannelManager`] needs to be persisted.
+ pub fn get_and_clear_needs_persistence(&self) -> bool {
+ self.needs_persist_flag.swap(false, Ordering::AcqRel)
}
#[cfg(any(test, feature = "_test_utils"))]
- pub fn get_persistence_condvar_value(&self) -> bool {
- self.persistence_notifier.notify_pending()
+ pub fn get_event_or_persist_condvar_value(&self) -> bool {
+ self.event_persist_notifier.notify_pending()
}
/// Gets the latest best block which was connected either via the [`chain::Listen`] or
L::Target: Logger,
{
fn handle_open_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::OpenChannel) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_open_channel(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // open_channel message - pre-funded channels are never written so there should be no
+ // change to the contents.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_open_channel(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => {
+ debug_assert!(false, "We shouldn't close a new channel");
+ NotifyOption::DoPersist
+ },
+ _ => NotifyOption::SkipPersistHandleEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_open_channel_v2(&self, counterparty_node_id: &PublicKey, msg: &msgs::OpenChannelV2) {
}
fn handle_accept_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::AcceptChannel) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_accept_channel(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // accept_channel message - pre-funded channels are never written so there should be no
+ // change to the contents.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let _ = handle_error!(self, self.internal_accept_channel(counterparty_node_id, msg), *counterparty_node_id);
+ NotifyOption::SkipPersistHandleEvents
+ });
}
fn handle_accept_channel_v2(&self, counterparty_node_id: &PublicKey, msg: &msgs::AcceptChannelV2) {
}
fn handle_channel_ready(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReady) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_channel_ready(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // channel_ready message - while the channel's state will change, any channel_ready message
+ // will ultimately be re-sent on startup and the `ChannelMonitor` won't be updated so we
+ // will not force-close the channel on startup.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_channel_ready(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ _ => NotifyOption::SkipPersistHandleEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_shutdown(&self, counterparty_node_id: &PublicKey, msg: &msgs::Shutdown) {
}
fn handle_update_add_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_update_add_htlc(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // update_add_htlc message - the message itself doesn't change our channel state only the
+ // `commitment_signed` message afterwards will.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_update_add_htlc(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ Err(_) => NotifyOption::SkipPersistHandleEvents,
+ Ok(()) => NotifyOption::SkipPersistNoEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_update_fulfill_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) {
}
fn handle_update_fail_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_update_fail_htlc(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // update_fail_htlc message - the message itself doesn't change our channel state only the
+ // `commitment_signed` message afterwards will.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_update_fail_htlc(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ Err(_) => NotifyOption::SkipPersistHandleEvents,
+ Ok(()) => NotifyOption::SkipPersistNoEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_update_fail_malformed_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_update_fail_malformed_htlc(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // update_fail_malformed_htlc message - the message itself doesn't change our channel state
+ // only the `commitment_signed` message afterwards will.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_update_fail_malformed_htlc(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ Err(_) => NotifyOption::SkipPersistHandleEvents,
+ Ok(()) => NotifyOption::SkipPersistNoEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_commitment_signed(&self, counterparty_node_id: &PublicKey, msg: &msgs::CommitmentSigned) {
}
fn handle_update_fee(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFee) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_update_fee(counterparty_node_id, msg), *counterparty_node_id);
+ // Note that we never need to persist the updated ChannelManager for an inbound
+ // update_fee message - the message itself doesn't change our channel state only the
+ // `commitment_signed` message afterwards will.
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_update_fee(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ Err(_) => NotifyOption::SkipPersistHandleEvents,
+ Ok(()) => NotifyOption::SkipPersistNoEvents,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn handle_announcement_signatures(&self, counterparty_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) {
}
fn handle_channel_update(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelUpdate) {
- PersistenceNotifierGuard::optionally_notify(&self.total_consistency_lock, &self.persistence_notifier, || {
- let force_persist = self.process_background_events();
+ PersistenceNotifierGuard::optionally_notify(self, || {
if let Ok(persist) = handle_error!(self, self.internal_channel_update(counterparty_node_id, msg), *counterparty_node_id) {
- if force_persist == NotifyOption::DoPersist { NotifyOption::DoPersist } else { persist }
+ persist
} else {
- NotifyOption::SkipPersist
+ NotifyOption::DoPersist
}
});
}
fn handle_channel_reestablish(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReestablish) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- let _ = handle_error!(self, self.internal_channel_reestablish(counterparty_node_id, msg), *counterparty_node_id);
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(self, || {
+ let res = self.internal_channel_reestablish(counterparty_node_id, msg);
+ let persist = match &res {
+ Err(e) if e.closes_channel() => NotifyOption::DoPersist,
+ Err(_) => NotifyOption::SkipPersistHandleEvents,
+ Ok(persist) => *persist,
+ };
+ let _ = handle_error!(self, res, *counterparty_node_id);
+ persist
+ });
}
fn peer_disconnected(&self, counterparty_node_id: &PublicKey) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+ let _persistence_guard = PersistenceNotifierGuard::optionally_notify(
+ self, || NotifyOption::SkipPersistHandleEvents);
+
let mut failed_channels = Vec::new();
let mut per_peer_state = self.per_peer_state.write().unwrap();
let remove_peer = {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
let pending_msg_events = &mut peer_state.pending_msg_events;
- peer_state.channel_by_id.retain(|_, chan| {
- chan.remove_uncommitted_htlcs_and_mark_paused(&self.logger);
- if chan.is_shutdown() {
- update_maps_on_chan_removal!(self, &chan.context);
- self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
- return false;
- }
- true
- });
- peer_state.inbound_v1_channel_by_id.retain(|_, chan| {
- update_maps_on_chan_removal!(self, &chan.context);
- self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
- false
- });
- peer_state.outbound_v1_channel_by_id.retain(|_, chan| {
- update_maps_on_chan_removal!(self, &chan.context);
- self.issue_channel_close_events(&chan.context, ClosureReason::DisconnectedPeer);
+ peer_state.channel_by_id.retain(|_, phase| {
+ let context = match phase {
+ ChannelPhase::Funded(chan) => {
+ chan.remove_uncommitted_htlcs_and_mark_paused(&self.logger);
+ // We only retain funded channels that are not shutdown.
+ if !chan.is_shutdown() {
+ return true;
+ }
+ &chan.context
+ },
+ // Unfunded channels will always be removed.
+ ChannelPhase::UnfundedOutboundV1(chan) => {
+ &chan.context
+ },
+ ChannelPhase::UnfundedInboundV1(chan) => {
+ &chan.context
+ },
+ };
+ // Clean up for removal.
+ update_maps_on_chan_removal!(self, &context);
+ self.issue_channel_close_events(&context, ClosureReason::DisconnectedPeer);
false
});
// Note that we don't bother generating any events for pre-accept channels -
return Err(());
}
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+ let mut res = Ok(());
- // If we have too many peers connected which don't have funded channels, disconnect the
- // peer immediately (as long as it doesn't have funded channels). If we have a bunch of
- // unfunded channels taking up space in memory for disconnected peers, we still let new
- // peers connect, but we'll reject new channels from them.
- let connected_peers_without_funded_channels = self.peers_without_funded_channels(|node| node.is_connected);
- let inbound_peer_limited = inbound && connected_peers_without_funded_channels >= MAX_NO_CHANNEL_PEERS;
+ PersistenceNotifierGuard::optionally_notify(self, || {
+ // If we have too many peers connected which don't have funded channels, disconnect the
+ // peer immediately (as long as it doesn't have funded channels). If we have a bunch of
+ // unfunded channels taking up space in memory for disconnected peers, we still let new
+ // peers connect, but we'll reject new channels from them.
+ let connected_peers_without_funded_channels = self.peers_without_funded_channels(|node| node.is_connected);
+ let inbound_peer_limited = inbound && connected_peers_without_funded_channels >= MAX_NO_CHANNEL_PEERS;
- {
- let mut peer_state_lock = self.per_peer_state.write().unwrap();
- match peer_state_lock.entry(counterparty_node_id.clone()) {
- hash_map::Entry::Vacant(e) => {
- if inbound_peer_limited {
- return Err(());
- }
- e.insert(Mutex::new(PeerState {
- channel_by_id: HashMap::new(),
- outbound_v1_channel_by_id: HashMap::new(),
- inbound_v1_channel_by_id: HashMap::new(),
- inbound_channel_request_by_id: HashMap::new(),
- latest_features: init_msg.features.clone(),
- pending_msg_events: Vec::new(),
- in_flight_monitor_updates: BTreeMap::new(),
- monitor_update_blocked_actions: BTreeMap::new(),
- actions_blocking_raa_monitor_updates: BTreeMap::new(),
- is_connected: true,
- }));
- },
- hash_map::Entry::Occupied(e) => {
- let mut peer_state = e.get().lock().unwrap();
- peer_state.latest_features = init_msg.features.clone();
-
- let best_block_height = self.best_block.read().unwrap().height();
- if inbound_peer_limited &&
- Self::unfunded_channel_count(&*peer_state, best_block_height) ==
- peer_state.channel_by_id.len()
- {
- return Err(());
- }
+ {
+ let mut peer_state_lock = self.per_peer_state.write().unwrap();
+ match peer_state_lock.entry(counterparty_node_id.clone()) {
+ hash_map::Entry::Vacant(e) => {
+ if inbound_peer_limited {
+ res = Err(());
+ return NotifyOption::SkipPersistNoEvents;
+ }
+ e.insert(Mutex::new(PeerState {
+ channel_by_id: HashMap::new(),
+ inbound_channel_request_by_id: HashMap::new(),
+ latest_features: init_msg.features.clone(),
+ pending_msg_events: Vec::new(),
+ in_flight_monitor_updates: BTreeMap::new(),
+ monitor_update_blocked_actions: BTreeMap::new(),
+ actions_blocking_raa_monitor_updates: BTreeMap::new(),
+ is_connected: true,
+ }));
+ },
+ hash_map::Entry::Occupied(e) => {
+ let mut peer_state = e.get().lock().unwrap();
+ peer_state.latest_features = init_msg.features.clone();
+
+ let best_block_height = self.best_block.read().unwrap().height();
+ if inbound_peer_limited &&
+ Self::unfunded_channel_count(&*peer_state, best_block_height) ==
+ peer_state.channel_by_id.len()
+ {
+ res = Err(());
+ return NotifyOption::SkipPersistNoEvents;
+ }
- debug_assert!(!peer_state.is_connected, "A peer shouldn't be connected twice");
- peer_state.is_connected = true;
- },
+ debug_assert!(!peer_state.is_connected, "A peer shouldn't be connected twice");
+ peer_state.is_connected = true;
+ },
+ }
}
- }
- log_debug!(self.logger, "Generating channel_reestablish events for {}", log_pubkey!(counterparty_node_id));
+ log_debug!(self.logger, "Generating channel_reestablish events for {}", log_pubkey!(counterparty_node_id));
- let per_peer_state = self.per_peer_state.read().unwrap();
- if let Some(peer_state_mutex) = per_peer_state.get(counterparty_node_id) {
- let mut peer_state_lock = peer_state_mutex.lock().unwrap();
- let peer_state = &mut *peer_state_lock;
- let pending_msg_events = &mut peer_state.pending_msg_events;
-
- // Since unfunded channel maps are cleared upon disconnecting a peer, and they're not persisted
- // (so won't be recovered after a crash) we don't need to bother closing unfunded channels and
- // clearing their maps here. Instead we can just send queue channel_reestablish messages for
- // channels in the channel_by_id map.
- peer_state.channel_by_id.iter_mut().for_each(|(_, chan)| {
- pending_msg_events.push(events::MessageSendEvent::SendChannelReestablish {
- node_id: chan.context.get_counterparty_node_id(),
- msg: chan.get_channel_reestablish(&self.logger),
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ if let Some(peer_state_mutex) = per_peer_state.get(counterparty_node_id) {
+ let mut peer_state_lock = peer_state_mutex.lock().unwrap();
+ let peer_state = &mut *peer_state_lock;
+ let pending_msg_events = &mut peer_state.pending_msg_events;
+
+ peer_state.channel_by_id.iter_mut().filter_map(|(_, phase)|
+ if let ChannelPhase::Funded(chan) = phase { Some(chan) } else {
+ // Since unfunded channel maps are cleared upon disconnecting a peer, and they're not persisted
+ // (so won't be recovered after a crash), they shouldn't exist here and we would never need to
+ // worry about closing and removing them.
+ debug_assert!(false);
+ None
+ }
+ ).for_each(|chan| {
+ pending_msg_events.push(events::MessageSendEvent::SendChannelReestablish {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg: chan.get_channel_reestablish(&self.logger),
+ });
});
- });
- }
- //TODO: Also re-broadcast announcement_signatures
- Ok(())
+ }
+
+ return NotifyOption::SkipPersistHandleEvents;
+ //TODO: Also re-broadcast announcement_signatures
+ });
+ res
}
fn handle_error(&self, counterparty_node_id: &PublicKey, msg: &msgs::ErrorMessage) {
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
- if msg.channel_id == [0; 32] {
- let channel_ids: Vec<[u8; 32]> = {
+ match &msg.data as &str {
+ "cannot co-op close channel w/ active htlcs"|
+ "link failed to shutdown" =>
+ {
+ // LND hasn't properly handled shutdown messages ever, and force-closes any time we
+ // send one while HTLCs are still present. The issue is tracked at
+ // https://github.com/lightningnetwork/lnd/issues/6039 and has had multiple patches
+ // to fix it but none so far have managed to land upstream. The issue appears to be
+ // very low priority for the LND team despite being marked "P1".
+ // We're not going to bother handling this in a sensible way, instead simply
+ // repeating the Shutdown message on repeat until morale improves.
+ if !msg.channel_id.is_zero() {
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ let peer_state_mutex_opt = per_peer_state.get(counterparty_node_id);
+ if peer_state_mutex_opt.is_none() { return; }
+ let mut peer_state = peer_state_mutex_opt.unwrap().lock().unwrap();
+ if let Some(ChannelPhase::Funded(chan)) = peer_state.channel_by_id.get(&msg.channel_id) {
+ if let Some(msg) = chan.get_outbound_shutdown() {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: *counterparty_node_id,
+ msg,
+ });
+ }
+ peer_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: *counterparty_node_id,
+ action: msgs::ErrorAction::SendWarningMessage {
+ msg: msgs::WarningMessage {
+ channel_id: msg.channel_id,
+ data: "You appear to be exhibiting LND bug 6039, we'll keep sending you shutdown messages until you handle them correctly".to_owned()
+ },
+ log_level: Level::Trace,
+ }
+ });
+ }
+ }
+ return;
+ }
+ _ => {}
+ }
+
+ if msg.channel_id.is_zero() {
+ let channel_ids: Vec<ChannelId> = {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex_opt = per_peer_state.get(counterparty_node_id);
if peer_state_mutex_opt.is_none() { return; }
// Note that we don't bother generating any events for pre-accept channels -
// they're not considered "channels" yet from the PoV of our events interface.
peer_state.inbound_channel_request_by_id.clear();
- peer_state.channel_by_id.keys().cloned()
- .chain(peer_state.outbound_v1_channel_by_id.keys().cloned())
- .chain(peer_state.inbound_v1_channel_by_id.keys().cloned()).collect()
+ peer_state.channel_by_id.keys().cloned().collect()
};
for channel_id in channel_ids {
// Untrusted messages from peer, we throw away the error if id points to a non-existent channel
if peer_state_mutex_opt.is_none() { return; }
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
- if let Some(chan) = peer_state.outbound_v1_channel_by_id.get_mut(&msg.channel_id) {
+ if let Some(ChannelPhase::UnfundedOutboundV1(chan)) = peer_state.channel_by_id.get_mut(&msg.channel_id) {
if let Ok(msg) = chan.maybe_handle_error_without_close(self.genesis_hash, &self.fee_estimator) {
peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
node_id: *counterparty_node_id,
impl Readable for ChannelDetails {
fn read<R: Read>(reader: &mut R) -> Result<Self, DecodeError> {
- _init_and_read_tlv_fields!(reader, {
+ _init_and_read_len_prefixed_tlv_fields!(reader, {
(1, inbound_scid_alias, option),
(2, channel_id, required),
(3, channel_type, option),
(1, phantom_shared_secret, option),
(2, outpoint, required),
(4, htlc_id, required),
- (6, incoming_packet_shared_secret, required)
+ (6, incoming_packet_shared_secret, required),
+ (7, user_channel_id, option),
});
impl Writeable for ClaimableHTLC {
impl Readable for ClaimableHTLC {
fn read<R: Read>(reader: &mut R) -> Result<Self, DecodeError> {
- _init_and_read_tlv_fields!(reader, {
+ _init_and_read_len_prefixed_tlv_fields!(reader, {
(0, prev_hop, required),
(1, total_msat, option),
(2, value_ser, required),
let mut serializable_peer_count: u64 = 0;
{
let per_peer_state = self.per_peer_state.read().unwrap();
- let mut unfunded_channels = 0;
- let mut number_of_channels = 0;
+ let mut number_of_funded_channels = 0;
for (_, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
if !peer_state.ok_to_remove(false) {
serializable_peer_count += 1;
}
- number_of_channels += peer_state.channel_by_id.len();
- for (_, channel) in peer_state.channel_by_id.iter() {
- if !channel.context.is_funding_initiated() {
- unfunded_channels += 1;
- }
- }
+
+ number_of_funded_channels += peer_state.channel_by_id.iter().filter(
+ |(_, phase)| if let ChannelPhase::Funded(chan) = phase { chan.context.is_funding_initiated() } else { false }
+ ).count();
}
- ((number_of_channels - unfunded_channels) as u64).write(writer)?;
+ (number_of_funded_channels as u64).write(writer)?;
for (_, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for (_, channel) in peer_state.channel_by_id.iter() {
- if channel.context.is_funding_initiated() {
- channel.write(writer)?;
- }
+ for channel in peer_state.channel_by_id.iter().filter_map(
+ |(_, phase)| if let ChannelPhase::Funded(channel) = phase {
+ if channel.context.is_funding_initiated() { Some(channel) } else { None }
+ } else { None }
+ ) {
+ channel.write(writer)?;
}
}
}
session_priv.write(writer)?;
}
}
+ PendingOutboundPayment::AwaitingInvoice { .. } => {},
+ PendingOutboundPayment::InvoiceReceived { .. } => {},
PendingOutboundPayment::Fulfilled { .. } => {},
PendingOutboundPayment::Abandoned { .. } => {},
}
let channel_count: u64 = Readable::read(reader)?;
let mut funding_txo_set = HashSet::with_capacity(cmp::min(channel_count as usize, 128));
- let mut peer_channels: HashMap<PublicKey, HashMap<[u8; 32], Channel<<SP::Target as SignerProvider>::Signer>>> = HashMap::with_capacity(cmp::min(channel_count as usize, 128));
+ let mut funded_peer_channels: HashMap<PublicKey, HashMap<ChannelId, ChannelPhase<SP>>> = HashMap::with_capacity(cmp::min(channel_count as usize, 128));
let mut id_to_peer = HashMap::with_capacity(cmp::min(channel_count as usize, 128));
let mut short_to_chan_info = HashMap::with_capacity(cmp::min(channel_count as usize, 128));
let mut channel_closures = VecDeque::new();
let mut close_background_events = Vec::new();
for _ in 0..channel_count {
- let mut channel: Channel<<SP::Target as SignerProvider>::Signer> = Channel::read(reader, (
+ let mut channel: Channel<SP> = Channel::read(reader, (
&args.entropy_source, &args.signer_provider, best_block_height, &provided_channel_type_features(&args.default_config)
))?;
let funding_txo = channel.context.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
// But if the channel is behind of the monitor, close the channel:
log_error!(args.logger, "A ChannelManager is stale compared to the current ChannelMonitor!");
log_error!(args.logger, " The channel will be force-closed and the latest commitment transaction from the ChannelMonitor broadcast.");
- log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
- log_bytes!(channel.context.channel_id()), monitor.get_latest_update_id(), channel.context.get_latest_monitor_update_id());
+ if channel.context.get_latest_monitor_update_id() < monitor.get_latest_update_id() {
+ log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} but the ChannelManager is at update_id {}.",
+ &channel.context.channel_id(), monitor.get_latest_update_id(), channel.context.get_latest_monitor_update_id());
+ }
+ if channel.get_cur_holder_commitment_transaction_number() > monitor.get_cur_holder_commitment_number() {
+ log_error!(args.logger, " The ChannelMonitor for channel {} is at holder commitment number {} but the ChannelManager is at holder commitment number {}.",
+ &channel.context.channel_id(), monitor.get_cur_holder_commitment_number(), channel.get_cur_holder_commitment_transaction_number());
+ }
+ if channel.get_revoked_counterparty_commitment_transaction_number() > monitor.get_min_seen_secret() {
+ log_error!(args.logger, " The ChannelMonitor for channel {} is at revoked counterparty transaction number {} but the ChannelManager is at revoked counterparty transaction number {}.",
+ &channel.context.channel_id(), monitor.get_min_seen_secret(), channel.get_revoked_counterparty_commitment_transaction_number());
+ }
+ if channel.get_cur_counterparty_commitment_transaction_number() > monitor.get_cur_counterparty_commitment_number() {
+ log_error!(args.logger, " The ChannelMonitor for channel {} is at counterparty commitment transaction number {} but the ChannelManager is at counterparty commitment transaction number {}.",
+ &channel.context.channel_id(), monitor.get_cur_counterparty_commitment_number(), channel.get_cur_counterparty_commitment_transaction_number());
+ }
let (monitor_update, mut new_failed_htlcs) = channel.context.force_shutdown(true);
if let Some((counterparty_node_id, funding_txo, update)) = monitor_update {
close_background_events.push(BackgroundEvent::MonitorUpdateRegeneratedOnStartup {
// backwards leg of the HTLC will simply be rejected.
log_info!(args.logger,
"Failing HTLC with hash {} as it is missing in the ChannelMonitor for channel {} but was present in the (stale) ChannelManager",
- log_bytes!(channel.context.channel_id()), log_bytes!(payment_hash.0));
+ &channel.context.channel_id(), &payment_hash);
failed_htlcs.push((channel_htlc_source.clone(), *payment_hash, channel.context.get_counterparty_node_id(), channel.context.channel_id()));
}
}
} else {
log_info!(args.logger, "Successfully loaded channel {} at update_id {} against monitor at update id {}",
- log_bytes!(channel.context.channel_id()), channel.context.get_latest_monitor_update_id(),
+ &channel.context.channel_id(), channel.context.get_latest_monitor_update_id(),
monitor.get_latest_update_id());
if let Some(short_channel_id) = channel.context.get_short_channel_id() {
short_to_chan_info.insert(short_channel_id, (channel.context.get_counterparty_node_id(), channel.context.channel_id()));
if channel.context.is_funding_initiated() {
id_to_peer.insert(channel.context.channel_id(), channel.context.get_counterparty_node_id());
}
- match peer_channels.entry(channel.context.get_counterparty_node_id()) {
+ match funded_peer_channels.entry(channel.context.get_counterparty_node_id()) {
hash_map::Entry::Occupied(mut entry) => {
let by_id_map = entry.get_mut();
- by_id_map.insert(channel.context.channel_id(), channel);
+ by_id_map.insert(channel.context.channel_id(), ChannelPhase::Funded(channel));
},
hash_map::Entry::Vacant(entry) => {
let mut by_id_map = HashMap::new();
- by_id_map.insert(channel.context.channel_id(), channel);
+ by_id_map.insert(channel.context.channel_id(), ChannelPhase::Funded(channel));
entry.insert(by_id_map);
}
}
channel_capacity_sats: Some(channel.context.get_value_satoshis()),
}, None));
} else {
- log_error!(args.logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", log_bytes!(channel.context.channel_id()));
+ log_error!(args.logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", &channel.context.channel_id());
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the ChannelMonitor we cannot continue without risking funds.");
for (funding_txo, _) in args.channel_monitors.iter() {
if !funding_txo_set.contains(funding_txo) {
log_info!(args.logger, "Queueing monitor update to ensure missing channel {} is force closed",
- log_bytes!(funding_txo.to_channel_id()));
+ &funding_txo.to_channel_id());
let monitor_update = ChannelMonitorUpdate {
update_id: CLOSED_CHANNEL_UPDATE_ID,
updates: vec![ChannelMonitorUpdateStep::ChannelForceClosed { should_broadcast: true }],
let peer_state_from_chans = |channel_by_id| {
PeerState {
channel_by_id,
- outbound_v1_channel_by_id: HashMap::new(),
- inbound_v1_channel_by_id: HashMap::new(),
inbound_channel_request_by_id: HashMap::new(),
latest_features: InitFeatures::empty(),
pending_msg_events: Vec::new(),
};
let peer_count: u64 = Readable::read(reader)?;
- let mut per_peer_state = HashMap::with_capacity(cmp::min(peer_count as usize, MAX_ALLOC_SIZE/mem::size_of::<(PublicKey, Mutex<PeerState<<SP::Target as SignerProvider>::Signer>>)>()));
+ let mut per_peer_state = HashMap::with_capacity(cmp::min(peer_count as usize, MAX_ALLOC_SIZE/mem::size_of::<(PublicKey, Mutex<PeerState<SP>>)>()));
for _ in 0..peer_count {
let peer_pubkey = Readable::read(reader)?;
- let peer_chans = peer_channels.remove(&peer_pubkey).unwrap_or(HashMap::new());
+ let peer_chans = funded_peer_channels.remove(&peer_pubkey).unwrap_or(HashMap::new());
let mut peer_state = peer_state_from_chans(peer_chans);
peer_state.latest_features = Readable::read(reader)?;
per_peer_state.insert(peer_pubkey, Mutex::new(peer_state));
$chan_in_flight_upds.retain(|upd| upd.update_id > $monitor.get_latest_update_id());
for update in $chan_in_flight_upds.iter() {
log_trace!(args.logger, "Replaying ChannelMonitorUpdate {} for {}channel {}",
- update.update_id, $channel_info_log, log_bytes!($funding_txo.to_channel_id()));
+ update.update_id, $channel_info_log, &$funding_txo.to_channel_id());
max_in_flight_update_id = cmp::max(max_in_flight_update_id, update.update_id);
pending_background_events.push(
BackgroundEvent::MonitorUpdateRegeneratedOnStartup {
for (counterparty_id, peer_state_mtx) in per_peer_state.iter_mut() {
let mut peer_state_lock = peer_state_mtx.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for (_, chan) in peer_state.channel_by_id.iter() {
- // Channels that were persisted have to be funded, otherwise they should have been
- // discarded.
- let funding_txo = chan.context.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
- let monitor = args.channel_monitors.get(&funding_txo)
- .expect("We already checked for monitor presence when loading channels");
- let mut max_in_flight_update_id = monitor.get_latest_update_id();
- if let Some(in_flight_upds) = &mut in_flight_monitor_updates {
- if let Some(mut chan_in_flight_upds) = in_flight_upds.remove(&(*counterparty_id, funding_txo)) {
- max_in_flight_update_id = cmp::max(max_in_flight_update_id,
- handle_in_flight_updates!(*counterparty_id, chan_in_flight_upds,
- funding_txo, monitor, peer_state, ""));
+ for phase in peer_state.channel_by_id.values() {
+ if let ChannelPhase::Funded(chan) = phase {
+ // Channels that were persisted have to be funded, otherwise they should have been
+ // discarded.
+ let funding_txo = chan.context.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
+ let monitor = args.channel_monitors.get(&funding_txo)
+ .expect("We already checked for monitor presence when loading channels");
+ let mut max_in_flight_update_id = monitor.get_latest_update_id();
+ if let Some(in_flight_upds) = &mut in_flight_monitor_updates {
+ if let Some(mut chan_in_flight_upds) = in_flight_upds.remove(&(*counterparty_id, funding_txo)) {
+ max_in_flight_update_id = cmp::max(max_in_flight_update_id,
+ handle_in_flight_updates!(*counterparty_id, chan_in_flight_upds,
+ funding_txo, monitor, peer_state, ""));
+ }
}
- }
- if chan.get_latest_unblocked_monitor_update_id() > max_in_flight_update_id {
- // If the channel is ahead of the monitor, return InvalidValue:
- log_error!(args.logger, "A ChannelMonitor is stale compared to the current ChannelManager! This indicates a potentially-critical violation of the chain::Watch API!");
- log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} with update_id through {} in-flight",
- log_bytes!(chan.context.channel_id()), monitor.get_latest_update_id(), max_in_flight_update_id);
- log_error!(args.logger, " but the ChannelManager is at update_id {}.", chan.get_latest_unblocked_monitor_update_id());
- log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
- log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
- log_error!(args.logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
- log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/lightningdevkit/rust-lightning");
+ if chan.get_latest_unblocked_monitor_update_id() > max_in_flight_update_id {
+ // If the channel is ahead of the monitor, return InvalidValue:
+ log_error!(args.logger, "A ChannelMonitor is stale compared to the current ChannelManager! This indicates a potentially-critical violation of the chain::Watch API!");
+ log_error!(args.logger, " The ChannelMonitor for channel {} is at update_id {} with update_id through {} in-flight",
+ chan.context.channel_id(), monitor.get_latest_update_id(), max_in_flight_update_id);
+ log_error!(args.logger, " but the ChannelManager is at update_id {}.", chan.get_latest_unblocked_monitor_update_id());
+ log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
+ log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
+ log_error!(args.logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
+ log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/lightningdevkit/rust-lightning");
+ return Err(DecodeError::InvalidValue);
+ }
+ } else {
+ // We shouldn't have persisted (or read) any unfunded channel types so none should have been
+ // created in this `channel_by_id` map.
+ debug_assert!(false);
return Err(DecodeError::InvalidValue);
}
}
} else {
log_error!(args.logger, "A ChannelMonitor is missing even though we have in-flight updates for it! This indicates a potentially-critical violation of the chain::Watch API!");
log_error!(args.logger, " The ChannelMonitor for channel {} is missing.",
- log_bytes!(funding_txo.to_channel_id()));
+ &funding_txo.to_channel_id());
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
hash_map::Entry::Occupied(mut entry) => {
let newly_added = entry.get_mut().insert(session_priv_bytes, &path);
log_info!(args.logger, "{} a pending payment path for {} msat for session priv {} on an existing pending payment with payment hash {}",
- if newly_added { "Added" } else { "Had" }, path_amt, log_bytes!(session_priv_bytes), log_bytes!(htlc.payment_hash.0));
+ if newly_added { "Added" } else { "Had" }, path_amt, log_bytes!(session_priv_bytes), &htlc.payment_hash);
},
hash_map::Entry::Vacant(entry) => {
let path_fee = path.fee_msat();
starting_block_height: best_block_height,
});
log_info!(args.logger, "Added a pending payment for {} msat with payment hash {} for path with session priv {}",
- path_amt, log_bytes!(htlc.payment_hash.0), log_bytes!(session_priv_bytes));
+ path_amt, &htlc.payment_hash, log_bytes!(session_priv_bytes));
}
}
}
if let HTLCForwardInfo::AddHTLC(htlc_info) = forward {
if pending_forward_matches_htlc(&htlc_info) {
log_info!(args.logger, "Removing pending to-forward HTLC with hash {} as it was forwarded to the closed channel {}",
- log_bytes!(htlc.payment_hash.0), log_bytes!(monitor.get_funding_txo().0.to_channel_id()));
+ &htlc.payment_hash, &monitor.get_funding_txo().0.to_channel_id());
false
} else { true }
} else { true }
pending_intercepted_htlcs.as_mut().unwrap().retain(|intercepted_id, htlc_info| {
if pending_forward_matches_htlc(&htlc_info) {
log_info!(args.logger, "Removing pending intercepted HTLC with hash {} as it was forwarded to the closed channel {}",
- log_bytes!(htlc.payment_hash.0), log_bytes!(monitor.get_funding_txo().0.to_channel_id()));
+ &htlc.payment_hash, &monitor.get_funding_txo().0.to_channel_id());
pending_events_read.retain(|(event, _)| {
if let Event::HTLCIntercepted { intercept_id: ev_id, .. } = event {
intercepted_id != ev_id
// generating a `PaymentPathSuccessful` event but regenerating
// it and the `PaymentSent` on every restart until the
// `ChannelMonitor` is removed.
- pending_outbounds.claim_htlc(payment_id, preimage, session_priv, path, false, &pending_events, &args.logger);
+ let compl_action =
+ EventCompletionAction::ReleaseRAAChannelMonitorUpdate {
+ channel_funding_outpoint: monitor.get_funding_txo().0,
+ counterparty_node_id: path.hops[0].pubkey,
+ };
+ pending_outbounds.claim_htlc(payment_id, preimage, session_priv,
+ path, false, compl_action, &pending_events, &args.logger);
pending_events_read = pending_events.into_inner().unwrap();
}
},
// downstream chan is closed (because we don't have a
// channel_id -> peer map entry).
counterparty_opt.is_none(),
- monitor.get_funding_txo().0.to_channel_id()))
+ counterparty_opt.cloned().or(monitor.get_counterparty_node_id()),
+ monitor.get_funding_txo().0))
} else { None }
} else {
// If it was an outbound payment, we've handled it above - if a preimage
None => match inbound_payment::verify(payment_hash, &hop_data, 0, &expanded_inbound_key, &args.logger) {
Ok((payment_preimage, _)) => payment_preimage,
Err(()) => {
- log_error!(args.logger, "Failed to read claimable payment data for HTLC with payment hash {} - was not a pending inbound payment and didn't match our payment key", log_bytes!(payment_hash.0));
+ log_error!(args.logger, "Failed to read claimable payment data for HTLC with payment hash {} - was not a pending inbound payment and didn't match our payment key", &payment_hash);
return Err(DecodeError::InvalidValue);
}
}
for (_peer_node_id, peer_state_mutex) in per_peer_state.iter_mut() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- for (chan_id, chan) in peer_state.channel_by_id.iter_mut() {
- if chan.context.outbound_scid_alias() == 0 {
- let mut outbound_scid_alias;
- loop {
- outbound_scid_alias = fake_scid::Namespace::OutboundAlias
- .get_fake_scid(best_block_height, &genesis_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
- if outbound_scid_aliases.insert(outbound_scid_alias) { break; }
- }
- chan.context.set_outbound_scid_alias(outbound_scid_alias);
- } else if !outbound_scid_aliases.insert(chan.context.outbound_scid_alias()) {
- // Note that in rare cases its possible to hit this while reading an older
- // channel if we just happened to pick a colliding outbound alias above.
- log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.context.outbound_scid_alias());
- return Err(DecodeError::InvalidValue);
- }
- if chan.context.is_usable() {
- if short_to_chan_info.insert(chan.context.outbound_scid_alias(), (chan.context.get_counterparty_node_id(), *chan_id)).is_some() {
+ for (chan_id, phase) in peer_state.channel_by_id.iter_mut() {
+ if let ChannelPhase::Funded(chan) = phase {
+ if chan.context.outbound_scid_alias() == 0 {
+ let mut outbound_scid_alias;
+ loop {
+ outbound_scid_alias = fake_scid::Namespace::OutboundAlias
+ .get_fake_scid(best_block_height, &genesis_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
+ if outbound_scid_aliases.insert(outbound_scid_alias) { break; }
+ }
+ chan.context.set_outbound_scid_alias(outbound_scid_alias);
+ } else if !outbound_scid_aliases.insert(chan.context.outbound_scid_alias()) {
// Note that in rare cases its possible to hit this while reading an older
// channel if we just happened to pick a colliding outbound alias above.
log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.context.outbound_scid_alias());
return Err(DecodeError::InvalidValue);
}
+ if chan.context.is_usable() {
+ if short_to_chan_info.insert(chan.context.outbound_scid_alias(), (chan.context.get_counterparty_node_id(), *chan_id)).is_some() {
+ // Note that in rare cases its possible to hit this while reading an older
+ // channel if we just happened to pick a colliding outbound alias above.
+ log_error!(args.logger, "Got duplicate outbound SCID alias; {}", chan.context.outbound_scid_alias());
+ return Err(DecodeError::InvalidValue);
+ }
+ }
+ } else {
+ // We shouldn't have persisted (or read) any unfunded channel types so none should have been
+ // created in this `channel_by_id` map.
+ debug_assert!(false);
+ return Err(DecodeError::InvalidValue);
}
}
}
for (_, monitor) in args.channel_monitors.iter() {
for (payment_hash, payment_preimage) in monitor.get_stored_preimages() {
if let Some(payment) = claimable_payments.remove(&payment_hash) {
- log_info!(args.logger, "Re-claiming HTLCs with payment hash {} as we've released the preimage to a ChannelMonitor!", log_bytes!(payment_hash.0));
+ log_info!(args.logger, "Re-claiming HTLCs with payment hash {} as we've released the preimage to a ChannelMonitor!", &payment_hash);
let mut claimable_amt_msat = 0;
let mut receiver_node_id = Some(our_network_pubkey);
let phantom_shared_secret = payment.htlcs[0].prev_hop.phantom_shared_secret;
.expect("Failed to get node_id for phantom node recipient");
receiver_node_id = Some(phantom_pubkey)
}
- for claimable_htlc in payment.htlcs {
+ for claimable_htlc in &payment.htlcs {
claimable_amt_msat += claimable_htlc.value;
// Add a holding-cell claim of the payment to the Channel, which should be
let peer_state_mutex = per_peer_state.get(peer_node_id).unwrap();
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
- if let Some(channel) = peer_state.channel_by_id.get_mut(&previous_channel_id) {
+ if let Some(ChannelPhase::Funded(channel)) = peer_state.channel_by_id.get_mut(&previous_channel_id) {
channel.claim_htlc_while_disconnected_dropping_mon_update(claimable_htlc.prev_hop.htlc_id, payment_preimage, &args.logger);
}
}
payment_hash,
purpose: payment.purpose,
amount_msat: claimable_amt_msat,
+ htlcs: payment.htlcs.iter().map(events::ClaimedHTLC::from).collect(),
+ sender_intended_total_msat: payment.htlcs.first().map(|htlc| htlc.total_msat),
}, None));
}
}
pending_background_events: Mutex::new(pending_background_events),
total_consistency_lock: RwLock::new(()),
background_events_processed_since_startup: AtomicBool::new(false),
- persistence_notifier: Notifier::new(),
+
+ event_persist_notifier: Notifier::new(),
+ needs_persist_flag: AtomicBool::new(false),
entropy_source: args.entropy_source,
node_signer: args.node_signer,
channel_manager.fail_htlc_backwards_internal(&source, &payment_hash, &reason, receiver);
}
- for (source, preimage, downstream_value, downstream_closed, downstream_chan_id) in pending_claims_to_replay {
+ for (source, preimage, downstream_value, downstream_closed, downstream_node_id, downstream_funding) in pending_claims_to_replay {
// We use `downstream_closed` in place of `from_onchain` here just as a guess - we
// don't remember in the `ChannelMonitor` where we got a preimage from, but if the
// channel is closed we just assume that it probably came from an on-chain claim.
channel_manager.claim_funds_internal(source, preimage, Some(downstream_value),
- downstream_closed, downstream_chan_id);
+ downstream_closed, downstream_node_id, downstream_funding);
}
//TODO: Broadcast channel update for closed channels, but only after we've made a
use core::sync::atomic::Ordering;
use crate::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
+ use crate::ln::ChannelId;
use crate::ln::channelmanager::{inbound_payment, PaymentId, PaymentSendFailure, RecipientOnionFields, InterceptId};
use crate::ln::functional_test_utils::*;
use crate::ln::msgs::{self, ErrorAction};
// All nodes start with a persistable update pending as `create_network` connects each node
// with all other nodes to make most tests simpler.
- assert!(nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(nodes[1].node.get_persistable_update_future().poll_is_complete());
- assert!(nodes[2].node.get_persistable_update_future().poll_is_complete());
+ assert!(nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(nodes[2].node.get_event_or_persistence_needed_future().poll_is_complete());
let mut chan = create_announced_chan_between_nodes(&nodes, 0, 1);
&nodes[0].node.get_our_node_id()).pop().unwrap();
// The first two nodes (which opened a channel) should now require fresh persistence
- assert!(nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(nodes[1].node.get_persistable_update_future().poll_is_complete());
+ assert!(nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
// ... but the last node should not.
- assert!(!nodes[2].node.get_persistable_update_future().poll_is_complete());
+ assert!(!nodes[2].node.get_event_or_persistence_needed_future().poll_is_complete());
// After persisting the first two nodes they should no longer need fresh persistence.
- assert!(!nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(!nodes[1].node.get_persistable_update_future().poll_is_complete());
+ assert!(!nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(!nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
// Node 3, unrelated to the only channel, shouldn't care if it receives a channel_update
// about the channel.
nodes[2].node.handle_channel_update(&nodes[1].node.get_our_node_id(), &chan.0);
nodes[2].node.handle_channel_update(&nodes[1].node.get_our_node_id(), &chan.1);
- assert!(!nodes[2].node.get_persistable_update_future().poll_is_complete());
+ assert!(!nodes[2].node.get_event_or_persistence_needed_future().poll_is_complete());
// The nodes which are a party to the channel should also ignore messages from unrelated
// parties.
nodes[0].node.handle_channel_update(&nodes[2].node.get_our_node_id(), &chan.1);
nodes[1].node.handle_channel_update(&nodes[2].node.get_our_node_id(), &chan.0);
nodes[1].node.handle_channel_update(&nodes[2].node.get_our_node_id(), &chan.1);
- assert!(!nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(!nodes[1].node.get_persistable_update_future().poll_is_complete());
+ assert!(!nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(!nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
// At this point the channel info given by peers should still be the same.
assert_eq!(nodes[0].node.list_channels()[0], node_a_chan_info);
// persisted and that its channel info remains the same.
nodes[0].node.handle_channel_update(&nodes[1].node.get_our_node_id(), &as_update);
nodes[1].node.handle_channel_update(&nodes[0].node.get_our_node_id(), &bs_update);
- assert!(!nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(!nodes[1].node.get_persistable_update_future().poll_is_complete());
+ assert!(!nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(!nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
assert_eq!(nodes[0].node.list_channels()[0], node_a_chan_info);
assert_eq!(nodes[1].node.list_channels()[0], node_b_chan_info);
// the channel info has updated.
nodes[0].node.handle_channel_update(&nodes[1].node.get_our_node_id(), &bs_update);
nodes[1].node.handle_channel_update(&nodes[0].node.get_our_node_id(), &as_update);
- assert!(nodes[0].node.get_persistable_update_future().poll_is_complete());
- assert!(nodes[1].node.get_persistable_update_future().poll_is_complete());
+ assert!(nodes[0].node.get_event_or_persistence_needed_future().poll_is_complete());
+ assert!(nodes[1].node.get_event_or_persistence_needed_future().poll_is_complete());
assert_ne!(nodes[0].node.list_channels()[0], node_a_chan_info);
assert_ne!(nodes[1].node.list_channels()[0], node_b_chan_info);
}
let bs_first_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_first_updates.update_fulfill_htlcs[0]);
+ expect_payment_sent(&nodes[0], payment_preimage, None, false, false);
nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_first_updates.commitment_signed);
check_added_monitors!(nodes[0], 1);
let (as_first_raa, as_first_cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
// Note that successful MPP payments will generate a single PaymentSent event upon the first
// path's success and a PaymentPathSuccessful event for each path's success.
let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 3);
+ assert_eq!(events.len(), 2);
match events[0] {
- Event::PaymentSent { payment_id: ref id, payment_preimage: ref preimage, payment_hash: ref hash, .. } => {
- assert_eq!(Some(payment_id), *id);
- assert_eq!(payment_preimage, *preimage);
- assert_eq!(our_payment_hash, *hash);
- },
- _ => panic!("Unexpected event"),
- }
- match events[1] {
Event::PaymentPathSuccessful { payment_id: ref actual_payment_id, ref payment_hash, ref path } => {
assert_eq!(payment_id, *actual_payment_id);
assert_eq!(our_payment_hash, *payment_hash.as_ref().unwrap());
},
_ => panic!("Unexpected event"),
}
- match events[2] {
+ match events[1] {
Event::PaymentPathSuccessful { payment_id: ref actual_payment_id, ref payment_hash, ref path } => {
assert_eq!(payment_id, *actual_payment_id);
assert_eq!(our_payment_hash, *payment_hash.as_ref().unwrap());
// To start (1), send a regular payment but don't claim it.
let expected_route = [&nodes[1]];
- let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &expected_route, 100_000);
+ let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &expected_route, 100_000);
// Next, attempt a keysend payment and make sure it fails.
- let route_params = RouteParameters {
- payment_params: PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id(), TEST_FINAL_CLTV, false),
- final_value_msat: 100_000,
- };
+ let route_params = RouteParameters::from_payment_params_and_value(
+ PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id(),
+ TEST_FINAL_CLTV, false), 100_000);
let route = find_route(
&nodes[0].node.get_our_node_id(), &route_params, &nodes[0].network_graph,
None, nodes[0].logger, &scorer, &(), &random_seed_bytes
pass_along_path(&nodes[0], &path, 100_000, payment_hash, None, event, true, Some(payment_preimage));
// Next, attempt a keysend payment and make sure it fails.
- let route_params = RouteParameters {
- payment_params: PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id(), TEST_FINAL_CLTV, false),
- final_value_msat: 100_000,
- };
+ let route_params = RouteParameters::from_payment_params_and_value(
+ PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id(), TEST_FINAL_CLTV, false),
+ 100_000
+ );
let route = find_route(
&nodes[0].node.get_our_node_id(), &route_params, &nodes[0].network_graph,
None, nodes[0].logger, &scorer, &(), &random_seed_bytes
let payee_pubkey = nodes[1].node.get_our_node_id();
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1]);
- let route_params = RouteParameters {
- payment_params: PaymentParameters::for_keysend(payee_pubkey, 40, false),
- final_value_msat: 10_000,
- };
+ let route_params = RouteParameters::from_payment_params_and_value(
+ PaymentParameters::for_keysend(payee_pubkey, 40, false), 10_000);
let network_graph = nodes[0].network_graph.clone();
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::new();
let payee_pubkey = nodes[1].node.get_our_node_id();
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1]);
- let route_params = RouteParameters {
- payment_params: PaymentParameters::for_keysend(payee_pubkey, 40, false),
- final_value_msat: 10_000,
- };
+ let route_params = RouteParameters::from_payment_params_and_value(
+ PaymentParameters::for_keysend(payee_pubkey, 40, false), 10_000);
let network_graph = nodes[0].network_graph.clone();
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::new();
nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), &accept_channel);
let (temporary_channel_id, tx, _funding_output) = create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42);
- let channel_id = &tx.txid().into_inner();
+ let channel_id = ChannelId::from_bytes(tx.txid().into_inner());
{
// Ensure that the `id_to_peer` map is empty until either party has received the
// funding transaction, and have the real `channel_id`.
// as it has the funding transaction.
let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_0_lock.len(), 1);
- assert!(nodes_0_lock.contains_key(channel_id));
+ assert!(nodes_0_lock.contains_key(&channel_id));
}
assert_eq!(nodes[1].node.id_to_peer.lock().unwrap().len(), 0);
{
let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_0_lock.len(), 1);
- assert!(nodes_0_lock.contains_key(channel_id));
+ assert!(nodes_0_lock.contains_key(&channel_id));
}
expect_channel_pending_event(&nodes[1], &nodes[0].node.get_our_node_id());
// as it has the funding transaction.
let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_1_lock.len(), 1);
- assert!(nodes_1_lock.contains_key(channel_id));
+ assert!(nodes_1_lock.contains_key(&channel_id));
}
check_added_monitors!(nodes[1], 1);
let funding_signed = get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id());
let (announcement, nodes_0_update, nodes_1_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &channel_ready);
update_nodes_with_chan_announce(&nodes, 0, 1, &announcement, &nodes_0_update, &nodes_1_update);
- nodes[0].node.close_channel(channel_id, &nodes[1].node.get_our_node_id()).unwrap();
+ nodes[0].node.close_channel(&channel_id, &nodes[1].node.get_our_node_id()).unwrap();
nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id()));
let nodes_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &nodes_1_shutdown);
// party's signature for the fee negotiated closing transaction.)
let nodes_0_lock = nodes[0].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_0_lock.len(), 1);
- assert!(nodes_0_lock.contains_key(channel_id));
+ assert!(nodes_0_lock.contains_key(&channel_id));
}
{
// kept in the `nodes[1]`'s `id_to_peer` map.
let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_1_lock.len(), 1);
- assert!(nodes_1_lock.contains_key(channel_id));
+ assert!(nodes_1_lock.contains_key(&channel_id));
}
nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id()));
// doesn't have `nodes[0]`'s signature for the closing transaction yet.
let nodes_1_lock = nodes[1].node.id_to_peer.lock().unwrap();
assert_eq!(nodes_1_lock.len(), 1);
- assert!(nodes_1_lock.contains_key(channel_id));
+ assert!(nodes_1_lock.contains_key(&channel_id));
}
let (_nodes_0_update, closing_signed_node_0) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
let nodes = create_network(2, &node_cfg, &node_chanmgr);
// Dummy values
- let channel_id = [4; 32];
+ let channel_id = ChannelId::from_bytes([4; 32]);
let unkown_public_key = PublicKey::from_secret_key(&Secp256k1::signing_only(), &SecretKey::from_slice(&[42; 32]).unwrap());
let intercept_id = InterceptId([0; 32]);
check_added_monitors!(nodes[0], 1);
expect_channel_pending_event(&nodes[0], &nodes[1].node.get_our_node_id());
}
- open_channel_msg.temporary_channel_id = nodes[0].keys_manager.get_secure_random_bytes();
+ open_channel_msg.temporary_channel_id = ChannelId::temporary_from_entropy_source(&nodes[0].keys_manager);
}
// A MAX_UNFUNDED_CHANS_PER_PEER + 1 channel will be summarily rejected
- open_channel_msg.temporary_channel_id = nodes[0].keys_manager.get_secure_random_bytes();
+ open_channel_msg.temporary_channel_id = ChannelId::temporary_from_entropy_source(&nodes[0].keys_manager);
nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &open_channel_msg);
assert_eq!(get_err_msg(&nodes[1], &nodes[0].node.get_our_node_id()).channel_id,
open_channel_msg.temporary_channel_id);
for i in 0..super::MAX_UNFUNDED_CHANNEL_PEERS - 1 {
nodes[1].node.handle_open_channel(&peer_pks[i], &open_channel_msg);
get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, peer_pks[i]);
- open_channel_msg.temporary_channel_id = nodes[0].keys_manager.get_secure_random_bytes();
+ open_channel_msg.temporary_channel_id = ChannelId::temporary_from_entropy_source(&nodes[0].keys_manager);
}
nodes[1].node.handle_open_channel(&last_random_pk, &open_channel_msg);
assert_eq!(get_err_msg(&nodes[1], &last_random_pk).channel_id,
for _ in 0..super::MAX_UNFUNDED_CHANS_PER_PEER {
nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), &open_channel_msg);
get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
- open_channel_msg.temporary_channel_id = nodes[0].keys_manager.get_secure_random_bytes();
+ open_channel_msg.temporary_channel_id = ChannelId::temporary_from_entropy_source(&nodes[0].keys_manager);
}
// Once we have MAX_UNFUNDED_CHANS_PER_PEER unfunded channels, new inbound channels will be
_ => panic!("Unexpected event"),
}
get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, random_pk);
- open_channel_msg.temporary_channel_id = nodes[0].keys_manager.get_secure_random_bytes();
+ open_channel_msg.temporary_channel_id = ChannelId::temporary_from_entropy_source(&nodes[0].keys_manager);
}
// If we try to accept a channel from another peer non-0conf it will fail.
// If we provide a channel_id not associated with the peer, we should get an error and no updates
// should be applied to ensure update atomicity as specified in the API docs.
- let bad_channel_id = [10; 32];
+ let bad_channel_id = ChannelId::v1_from_funding_txid(&[10; 32], 10);
let current_fee = nodes[0].node.list_channels()[0].config.unwrap().forwarding_fee_proportional_millionths;
let new_fee = current_fee + 100;
assert!(
let events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 0);
}
+
+ #[test]
+ fn test_payment_display() {
+ let payment_id = PaymentId([42; 32]);
+ assert_eq!(format!("{}", &payment_id), "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a");
+ let payment_hash = PaymentHash([42; 32]);
+ assert_eq!(format!("{}", &payment_hash), "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a");
+ let payment_preimage = PaymentPreimage([42; 32]);
+ assert_eq!(format!("{}", &payment_preimage), "2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a");
+ }
}
#[cfg(ldk_bench)]
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::{Block, BlockHeader, PackedLockTime, Transaction, TxMerkleNode, TxOut};
- use crate::sync::{Arc, Mutex};
+ use crate::sync::{Arc, Mutex, RwLock};
use criterion::Criterion;
&'a test_utils::TestFeeEstimator, &'a test_utils::TestRouter<'a>,
&'a test_utils::TestLogger>;
- struct ANodeHolder<'a, P: Persist<InMemorySigner>> {
- node: &'a Manager<'a, P>,
+ struct ANodeHolder<'node_cfg, 'chan_mon_cfg: 'node_cfg, P: Persist<InMemorySigner>> {
+ node: &'node_cfg Manager<'chan_mon_cfg, P>,
}
- impl<'a, P: Persist<InMemorySigner>> NodeHolder for ANodeHolder<'a, P> {
- type CM = Manager<'a, P>;
+ impl<'node_cfg, 'chan_mon_cfg: 'node_cfg, P: Persist<InMemorySigner>> NodeHolder for ANodeHolder<'node_cfg, 'chan_mon_cfg, P> {
+ type CM = Manager<'chan_mon_cfg, P>;
#[inline]
- fn node(&self) -> &Manager<'a, P> { self.node }
+ fn node(&self) -> &Manager<'chan_mon_cfg, P> { self.node }
#[inline]
fn chain_monitor(&self) -> Option<&test_utils::TestChainMonitor> { None }
}
let tx_broadcaster = test_utils::TestBroadcaster::new(network);
let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
let logger_a = test_utils::TestLogger::with_id("node a".to_owned());
- let scorer = Mutex::new(test_utils::TestScorer::new());
+ let scorer = RwLock::new(test_utils::TestScorer::new());
let router = test_utils::TestRouter::new(Arc::new(NetworkGraph::new(network, &logger_a)), &scorer);
let mut config: UserConfig = Default::default();
let payment_secret = $node_b.create_inbound_payment_for_hash(payment_hash, None, 7200, None).unwrap();
$node_a.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
- PaymentId(payment_hash.0), RouteParameters {
- payment_params, final_value_msat: 10_000,
- }, Retry::Attempts(0)).unwrap();
+ PaymentId(payment_hash.0),
+ RouteParameters::from_payment_params_and_value(payment_params, 10_000),
+ Retry::Attempts(0)).unwrap();
let payment_event = SendEvent::from_event($node_a.get_and_clear_pending_msg_events().pop().unwrap());
$node_b.handle_update_add_htlc(&$node_a.get_our_node_id(), &payment_event.msgs[0]);
$node_b.handle_commitment_signed(&$node_a.get_our_node_id(), &payment_event.commitment_msg);
projects / rust-lightning / blobdiff