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Move channelmonitor.rs from ln to chain module

Browse source 
Given the chain::Watch interface is defined in terms of ChannelMonitor
and ChannelMonitorUpdateErr, move channelmonitor.rs from the ln module
to the chain module.
This commit is contained in:
Jeffrey Czyz 2020-08-07 10:58:15 -07:00
parent e09767ba2d
commit 819a8653af
No known key found for this signature in database
GPG key ID: 3A4E08275D5E96D2
17 changed files with 69 additions and 69 deletions
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4
fuzz/src/chanmon_consistency.rs
View file

@ -29,11 +29,11 @@ use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hash_types::{BlockHash, WPubkeyHash};
use lightning::chain;
use lightning::chain::channelmonitor;
use lightning::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, MonitorEvent};
use lightning::chain::transaction::OutPoint;
use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
use lightning::chain::keysinterface::{KeysInterface, InMemoryChannelKeys};
use lightning::ln::channelmonitor;
use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, MonitorEvent};
use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret, ChannelManagerReadArgs};
use lightning::ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, UpdateAddHTLC, Init};

2
fuzz/src/chanmon_deser.rs
View file

@ -3,8 +3,8 @@
use bitcoin::hash_types::BlockHash;
use lightning::chain::channelmonitor;
use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
use lightning::ln::channelmonitor;
use lightning::util::ser::{Readable, Writer};
use utils::test_logger;

4
fuzz/src/full_stack.rs
View file

@ -27,9 +27,9 @@ use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
use lightning::chain;
use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
use lightning::chain::channelmonitor;
use lightning::chain::transaction::OutPoint;
use lightning::chain::keysinterface::{InMemoryChannelKeys, KeysInterface};
use lightning::ln::channelmonitor;
use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret};
use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor};
use lightning::routing::router::get_route;
@ -900,6 +900,6 @@ mod tests {
assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030200000000000000000000000000000000000000000000000000000000000000 with 1 adds, 0 fulfills, 0 fails for channel 3900000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&3)); // 7
assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 1 fulfills, 0 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&1)); // 8
assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling UpdateHTLCs event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000000 with 0 adds, 0 fulfills, 1 fails for channel 3d00000000000000000000000000000000000000000000000000000000000000".to_string())), Some(&2)); // 9
assert_eq!(log_entries.get(&("lightning::ln::channelmonitor".to_string(), "Input spending counterparty commitment tx (00000000000000000000000000000000000000000000000000000000000000a1:0) in 0000000000000000000000000000000000000000000000000000000000000018 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10
assert_eq!(log_entries.get(&("lightning::chain::channelmonitor".to_string(), "Input spending counterparty commitment tx (00000000000000000000000000000000000000000000000000000000000000a1:0) in 0000000000000000000000000000000000000000000000000000000000000018 resolves outbound HTLC with payment hash ff00000000000000000000000000000000000000000000000000000000000000 with timeout".to_string())), Some(&1)); // 10
}
}

2
lightning-net-tokio/src/lib.rs
View file

@ -36,7 +36,7 @@
//! type Logger = dyn lightning::util::logger::Logger;
//! type ChainAccess = dyn lightning::chain::Access;
//! type ChainFilter = dyn lightning::chain::Filter;
//! type ChainMonitor = lightning::ln::channelmonitor::ChainMonitor<lightning::chain::keysinterface::InMemoryChannelKeys, Arc<ChainFilter>, Arc<TxBroadcaster>, Arc<FeeEstimator>, Arc<Logger>>;
//! type ChainMonitor = lightning::chain::channelmonitor::ChainMonitor<lightning::chain::keysinterface::InMemoryChannelKeys, Arc<ChainFilter>, Arc<TxBroadcaster>, Arc<FeeEstimator>, Arc<Logger>>;
//! type ChannelManager = lightning::ln::channelmanager::SimpleArcChannelManager<ChainMonitor, TxBroadcaster, FeeEstimator, Logger>;
//! type PeerManager = lightning::ln::peer_handler::SimpleArcPeerManager<lightning_net_tokio::SocketDescriptor, ChainMonitor, TxBroadcaster, FeeEstimator, ChainAccess, Logger>;
//!

50
lightning/src/ln/channelmonitor.rs → lightning/src/chain/channelmonitor.rs
View file

@ -20,7 +20,7 @@
//! security-domain-separated system design, you should consider having multiple paths for
//! ChannelMonitors to get out of the HSM and onto monitoring devices.
//!
//! [`chain::Watch`]: ../../chain/trait.Watch.html
//! [`chain::Watch`]: ../trait.Watch.html
use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::transaction::{TxOut,Transaction};
@ -64,7 +64,7 @@ use std::io::Error;
#[derive(Clone)]
#[must_use]
pub struct ChannelMonitorUpdate {
pub(super) updates: Vec<ChannelMonitorUpdateStep>,
pub(crate) updates: Vec<ChannelMonitorUpdateStep>,
/// The sequence number of this update. Updates *must* be replayed in-order according to this
/// sequence number (and updates may panic if they are not). The update_id values are strictly
/// increasing and increase by one for each new update.
@ -180,12 +180,12 @@ pub enum MonitorEvent {
/// chain. Used to update the corresponding HTLC in the backward channel. Failing to pass the
/// preimage claim backward will lead to loss of funds.
///
/// [`chain::Watch`]: ../../chain/trait.Watch.html
/// [`chain::Watch`]: ../trait.Watch.html
#[derive(Clone, PartialEq)]
pub struct HTLCUpdate {
pub(super) payment_hash: PaymentHash,
pub(super) payment_preimage: Option<PaymentPreimage>,
pub(super) source: HTLCSource
pub(crate) payment_hash: PaymentHash,
pub(crate) payment_preimage: Option<PaymentPreimage>,
pub(crate) source: HTLCSource
}
impl_writeable!(HTLCUpdate, 0, { payment_hash, payment_preimage, source });
@ -195,8 +195,8 @@ impl_writeable!(HTLCUpdate, 0, { payment_hash, payment_preimage, source });
/// [`chain::Watch`]. May be used in conjunction with [`ChannelManager`] to monitor channels locally
/// or used independently to monitor channels remotely.
///
/// [`chain::Watch`]: ../../chain/trait.Watch.html
/// [`ChannelManager`]: ../channelmanager/struct.ChannelManager.html
/// [`chain::Watch`]: ../trait.Watch.html
/// [`ChannelManager`]: ../../ln/channelmanager/struct.ChannelManager.html
pub struct ChainMonitor<ChanSigner: ChannelKeys, C: Deref, T: Deref, F: Deref, L: Deref>
where C::Target: chain::Filter,
T::Target: BroadcasterInterface,
@ -228,8 +228,8 @@ impl<ChanSigner: ChannelKeys, C: Deref, T: Deref, F: Deref, L: Deref> ChainMonit
/// to obtain updated `txdata`.
///
/// [`ChannelMonitor::block_connected`]: struct.ChannelMonitor.html#method.block_connected
/// [`chain::Watch::release_pending_monitor_events`]: ../../chain/trait.Watch.html#tymethod.release_pending_monitor_events
/// [`chain::Filter`]: ../../chain/trait.Filter.html
/// [`chain::Watch::release_pending_monitor_events`]: ../trait.Watch.html#tymethod.release_pending_monitor_events
/// [`chain::Filter`]: ../trait.Filter.html
pub fn block_connected(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) -> bool {
let mut has_new_outputs_to_watch = false;
{
@ -270,7 +270,7 @@ impl<ChanSigner: ChannelKeys, C: Deref, T: Deref, F: Deref, L: Deref> ChainMonit
/// always need to fetch full blocks absent another means for determining which blocks contain
/// transactions relevant to the watched channels.
///
/// [`chain::Filter`]: ../../chain/trait.Filter.html
/// [`chain::Filter`]: ../trait.Filter.html
pub fn new(chain_source: Option<C>, broadcaster: T, logger: L, feeest: F) -> Self {
Self {
monitors: Mutex::new(HashMap::new()),
@ -285,7 +285,7 @@ impl<ChanSigner: ChannelKeys, C: Deref, T: Deref, F: Deref, L: Deref> ChainMonit
///
/// Calls back to [`chain::Filter`] with the funding transaction and outputs to watch.
///
/// [`chain::Filter`]: ../../chain/trait.Filter.html
/// [`chain::Filter`]: ../trait.Filter.html
fn add_monitor(&self, outpoint: OutPoint, monitor: ChannelMonitor<ChanSigner>) -> Result<(), MonitorUpdateError> {
let mut monitors = self.monitors.lock().unwrap();
let entry = match monitors.entry(outpoint) {
@ -654,7 +654,7 @@ const MIN_SERIALIZATION_VERSION: u8 = 1;
#[cfg_attr(test, derive(PartialEq))]
#[derive(Clone)]
pub(super) enum ChannelMonitorUpdateStep {
pub(crate) enum ChannelMonitorUpdateStep {
LatestHolderCommitmentTXInfo {
commitment_tx: HolderCommitmentTransaction,
htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Signature>, Option<HTLCSource>)>,
@ -1117,7 +1117,7 @@ impl<ChanSigner: ChannelKeys + Writeable> ChannelMonitor<ChanSigner> {
}
impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
pub(super) fn new(keys: ChanSigner, shutdown_pubkey: &PublicKey,
pub(crate) fn new(keys: ChanSigner, shutdown_pubkey: &PublicKey,
on_counterparty_tx_csv: u16, destination_script: &Script, funding_info: (OutPoint, Script),
counterparty_htlc_base_key: &PublicKey, counterparty_delayed_payment_base_key: &PublicKey,
on_holder_tx_csv: u16, funding_redeemscript: Script, channel_value_satoshis: u64,
@ -1202,7 +1202,7 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
/// Inserts a revocation secret into this channel monitor. Prunes old preimages if neither
/// needed by holder commitment transactions HTCLs nor by counterparty ones. Unless we haven't already seen
/// counterparty commitment transaction's secret, they are de facto pruned (we can use revocation key).
pub(super) fn provide_secret(&mut self, idx: u64, secret: [u8; 32]) -> Result<(), MonitorUpdateError> {
fn provide_secret(&mut self, idx: u64, secret: [u8; 32]) -> Result<(), MonitorUpdateError> {
if let Err(()) = self.commitment_secrets.provide_secret(idx, secret) {
return Err(MonitorUpdateError("Previous secret did not match new one"));
}
@ -1254,7 +1254,7 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
/// The monitor watches for it to be broadcasted and then uses the HTLC information (and
/// possibly future revocation/preimage information) to claim outputs where possible.
/// We cache also the mapping hash:commitment number to lighten pruning of old preimages by watchtowers.
pub(super) fn provide_latest_counterparty_commitment_tx_info<L: Deref>(&mut self, unsigned_commitment_tx: &Transaction, htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Box<HTLCSource>>)>, commitment_number: u64, their_revocation_point: PublicKey, logger: &L) where L::Target: Logger {
pub(crate) fn provide_latest_counterparty_commitment_tx_info<L: Deref>(&mut self, unsigned_commitment_tx: &Transaction, htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Box<HTLCSource>>)>, commitment_number: u64, their_revocation_point: PublicKey, logger: &L) where L::Target: Logger {
// TODO: Encrypt the htlc_outputs data with the single-hash of the commitment transaction
// so that a remote monitor doesn't learn anything unless there is a malicious close.
// (only maybe, sadly we cant do the same for local info, as we need to be aware of
@ -1303,7 +1303,7 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
/// is important that any clones of this channel monitor (including remote clones) by kept
/// up-to-date as our holder commitment transaction is updated.
/// Panics if set_on_holder_tx_csv has never been called.
pub(super) fn provide_latest_holder_commitment_tx_info(&mut self, commitment_tx: HolderCommitmentTransaction, htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Signature>, Option<HTLCSource>)>) -> Result<(), MonitorUpdateError> {
fn provide_latest_holder_commitment_tx_info(&mut self, commitment_tx: HolderCommitmentTransaction, htlc_outputs: Vec<(HTLCOutputInCommitment, Option<Signature>, Option<HTLCSource>)>) -> Result<(), MonitorUpdateError> {
let txid = commitment_tx.txid();
let sequence = commitment_tx.unsigned_tx.input[0].sequence as u64;
let locktime = commitment_tx.unsigned_tx.lock_time as u64;
@ -1329,11 +1329,11 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
/// Provides a payment_hash->payment_preimage mapping. Will be automatically pruned when all
/// commitment_tx_infos which contain the payment hash have been revoked.
pub(super) fn provide_payment_preimage(&mut self, payment_hash: &PaymentHash, payment_preimage: &PaymentPreimage) {
pub(crate) fn provide_payment_preimage(&mut self, payment_hash: &PaymentHash, payment_preimage: &PaymentPreimage) {
self.payment_preimages.insert(payment_hash.clone(), payment_preimage.clone());
}
pub(super) fn broadcast_latest_holder_commitment_txn<B: Deref, L: Deref>(&mut self, broadcaster: &B, logger: &L)
pub(crate) fn broadcast_latest_holder_commitment_txn<B: Deref, L: Deref>(&mut self, broadcaster: &B, logger: &L)
where B::Target: BroadcasterInterface,
L::Target: Logger,
{
@ -1418,7 +1418,7 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
/// Get the list of HTLCs who's status has been updated on chain. This should be called by
/// ChannelManager via [`chain::Watch::release_pending_monitor_events`].
///
/// [`chain::Watch::release_pending_monitor_events`]: ../../chain/trait.Watch.html#tymethod.release_pending_monitor_events
/// [`chain::Watch::release_pending_monitor_events`]: ../trait.Watch.html#tymethod.release_pending_monitor_events
pub fn get_and_clear_pending_monitor_events(&mut self) -> Vec<MonitorEvent> {
let mut ret = Vec::new();
mem::swap(&mut ret, &mut self.pending_monitor_events);
@ -1438,19 +1438,19 @@ impl<ChanSigner: ChannelKeys> ChannelMonitor<ChanSigner> {
}
/// Can only fail if idx is < get_min_seen_secret
pub(super) fn get_secret(&self, idx: u64) -> Option<[u8; 32]> {
fn get_secret(&self, idx: u64) -> Option<[u8; 32]> {
self.commitment_secrets.get_secret(idx)
}
pub(super) fn get_min_seen_secret(&self) -> u64 {
pub(crate) fn get_min_seen_secret(&self) -> u64 {
self.commitment_secrets.get_min_seen_secret()
}
pub(super) fn get_cur_counterparty_commitment_number(&self) -> u64 {
pub(crate) fn get_cur_counterparty_commitment_number(&self) -> u64 {
self.current_counterparty_commitment_number
}
pub(super) fn get_cur_holder_commitment_number(&self) -> u64 {
pub(crate) fn get_cur_holder_commitment_number(&self) -> u64 {
self.current_holder_commitment_number
}
@ -2595,9 +2595,9 @@ mod tests {
use bitcoin::hashes::hex::FromHex;
use bitcoin::hash_types::Txid;
use hex;
use chain::channelmonitor::ChannelMonitor;
use chain::transaction::OutPoint;
use ln::channelmanager::{PaymentPreimage, PaymentHash};
use ln::channelmonitor::ChannelMonitor;
use ln::onchaintx::{OnchainTxHandler, InputDescriptors};
use ln::chan_utils;
use ln::chan_utils::{HTLCOutputInCommitment, HolderCommitmentTransaction};

21
lightning/src/chain/mod.rs
View file

@ -13,11 +13,12 @@ use bitcoin::blockdata::script::Script;
use bitcoin::blockdata::transaction::TxOut;
use bitcoin::hash_types::{BlockHash, Txid};
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, MonitorEvent};
use chain::keysinterface::ChannelKeys;
use chain::transaction::OutPoint;
use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, MonitorEvent};
pub mod chaininterface;
pub mod channelmonitor;
pub mod transaction;
pub mod keysinterface;
@ -62,9 +63,9 @@ pub enum AccessError {
/// funds in the channel. See [`ChannelMonitorUpdateErr`] for more details about how to handle
/// multiple instances.
///
/// [`ChannelMonitor`]: ../ln/channelmonitor/struct.ChannelMonitor.html
/// [`ChannelMonitorUpdateErr`]: ../ln/channelmonitor/enum.ChannelMonitorUpdateErr.html
/// [`PermanentFailure`]: ../ln/channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.PermanentFailure
/// [`ChannelMonitor`]: channelmonitor/struct.ChannelMonitor.html
/// [`ChannelMonitorUpdateErr`]: channelmonitor/enum.ChannelMonitorUpdateErr.html
/// [`PermanentFailure`]: channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.PermanentFailure
pub trait Watch: Send + Sync {
/// Keys needed by monitors for creating and signing transactions.
type Keys: ChannelKeys;
@ -75,9 +76,9 @@ pub trait Watch: Send + Sync {
/// with any spends of outputs returned by [`get_outputs_to_watch`]. In practice, this means
/// calling [`block_connected`] and [`block_disconnected`] on the monitor.
///
/// [`get_outputs_to_watch`]: ../ln/channelmonitor/struct.ChannelMonitor.html#method.get_outputs_to_watch
/// [`block_connected`]: ../ln/channelmonitor/struct.ChannelMonitor.html#method.block_connected
/// [`block_disconnected`]: ../ln/channelmonitor/struct.ChannelMonitor.html#method.block_disconnected
/// [`get_outputs_to_watch`]: channelmonitor/struct.ChannelMonitor.html#method.get_outputs_to_watch
/// [`block_connected`]: channelmonitor/struct.ChannelMonitor.html#method.block_connected
/// [`block_disconnected`]: channelmonitor/struct.ChannelMonitor.html#method.block_disconnected
fn watch_channel(&self, funding_txo: OutPoint, monitor: ChannelMonitor<Self::Keys>) -> Result<(), ChannelMonitorUpdateErr>;
/// Updates a channel identified by `funding_txo` by applying `update` to its monitor.
@ -85,8 +86,8 @@ pub trait Watch: Send + Sync {
/// Implementations must call [`update_monitor`] with the given update. See
/// [`ChannelMonitorUpdateErr`] for invariants around returning an error.
///
/// [`update_monitor`]: ../ln/channelmonitor/struct.ChannelMonitor.html#method.update_monitor
/// [`ChannelMonitorUpdateErr`]: ../ln/channelmonitor/enum.ChannelMonitorUpdateErr.html
/// [`update_monitor`]: channelmonitor/struct.ChannelMonitor.html#method.update_monitor
/// [`ChannelMonitorUpdateErr`]: channelmonitor/enum.ChannelMonitorUpdateErr.html
fn update_channel(&self, funding_txo: OutPoint, update: ChannelMonitorUpdate) -> Result<(), ChannelMonitorUpdateErr>;
/// Returns any monitor events since the last call. Subsequent calls must only return new
@ -112,7 +113,7 @@ pub trait Watch: Send + Sync {
/// invocation that has called the `Filter` must return [`TemporaryFailure`].
///
/// [`Watch`]: trait.Watch.html
/// [`TemporaryFailure`]: ../ln/channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.TemporaryFailure
/// [`TemporaryFailure`]: channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.TemporaryFailure
/// [BIP 157]: https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki
/// [BIP 158]: https://github.com/bitcoin/bips/blob/master/bip-0158.mediawiki
pub trait Filter: Send + Sync {

12
lightning/src/ln/chan_utils.rs
View file

@ -81,7 +81,7 @@ pub fn build_commitment_secret(commitment_seed: &[u8; 32], idx: u64) -> [u8; 32]
/// Allows us to keep track of all of the revocation secrets of counterarties in just 50*32 bytes
/// or so.
#[derive(Clone)]
pub(super) struct CounterpartyCommitmentSecrets {
pub(crate) struct CounterpartyCommitmentSecrets {
old_secrets: [([u8; 32], u64); 49],
}
@ -97,7 +97,7 @@ impl PartialEq for CounterpartyCommitmentSecrets {
}
impl CounterpartyCommitmentSecrets {
pub(super) fn new() -> Self {
pub(crate) fn new() -> Self {
Self { old_secrets: [([0; 32], 1 << 48); 49], }
}
@ -111,7 +111,7 @@ impl CounterpartyCommitmentSecrets {
48
}
pub(super) fn get_min_seen_secret(&self) -> u64 {
pub(crate) fn get_min_seen_secret(&self) -> u64 {
//TODO This can be optimized?
let mut min = 1 << 48;
for &(_, idx) in self.old_secrets.iter() {
@ -123,7 +123,7 @@ impl CounterpartyCommitmentSecrets {
}
#[inline]
pub(super) fn derive_secret(secret: [u8; 32], bits: u8, idx: u64) -> [u8; 32] {
fn derive_secret(secret: [u8; 32], bits: u8, idx: u64) -> [u8; 32] {
let mut res: [u8; 32] = secret;
for i in 0..bits {
let bitpos = bits - 1 - i;
@ -135,7 +135,7 @@ impl CounterpartyCommitmentSecrets {
res
}
pub(super) fn provide_secret(&mut self, idx: u64, secret: [u8; 32]) -> Result<(), ()> {
pub(crate) fn provide_secret(&mut self, idx: u64, secret: [u8; 32]) -> Result<(), ()> {
let pos = Self::place_secret(idx);
for i in 0..pos {
let (old_secret, old_idx) = self.old_secrets[i as usize];
@ -151,7 +151,7 @@ impl CounterpartyCommitmentSecrets {
}
/// Can only fail if idx is < get_min_seen_secret
pub(super) fn get_secret(&self, idx: u64) -> Option<[u8; 32]> {
pub(crate) fn get_secret(&self, idx: u64) -> Option<[u8; 32]> {
for i in 0..self.old_secrets.len() {
if (idx & (!((1 << i) - 1))) == self.old_secrets[i].1 {
return Some(Self::derive_secret(self.old_secrets[i].0, i as u8, idx))

2
lightning/src/ln/chanmon_update_fail_tests.rs
View file

@ -12,9 +12,9 @@
//! There are a bunch of these as their handling is relatively error-prone so they are split out
//! here. See also the chanmon_fail_consistency fuzz test.
use chain::channelmonitor::ChannelMonitorUpdateErr;
use chain::transaction::OutPoint;
use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure};
use ln::channelmonitor::ChannelMonitorUpdateErr;
use ln::features::InitFeatures;
use ln::msgs;
use ln::msgs::{ChannelMessageHandler, ErrorAction, RoutingMessageHandler};

2
lightning/src/ln/channel.rs
View file

@ -25,11 +25,11 @@ use bitcoin::secp256k1;
use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
use ln::msgs::{DecodeError, OptionalField, DataLossProtect};
use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateStep, HTLC_FAIL_BACK_BUFFER};
use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingHTLCInfo, RAACommitmentOrder, PaymentPreimage, PaymentHash, BREAKDOWN_TIMEOUT, MAX_LOCAL_BREAKDOWN_TIMEOUT};
use ln::chan_utils::{CounterpartyCommitmentSecrets, HolderCommitmentTransaction, TxCreationKeys, HTLCOutputInCommitment, HTLC_SUCCESS_TX_WEIGHT, HTLC_TIMEOUT_TX_WEIGHT, make_funding_redeemscript, ChannelPublicKeys, PreCalculatedTxCreationKeys};
use ln::chan_utils;
use chain::chaininterface::{FeeEstimator,ConfirmationTarget};
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateStep, HTLC_FAIL_BACK_BUFFER};
use chain::transaction::{OutPoint, TransactionData};
use chain::keysinterface::{ChannelKeys, KeysInterface};
use util::transaction_utils;

6
lightning/src/ln/channelmanager.rs
View file

@ -36,9 +36,9 @@ use bitcoin::secp256k1;
use chain;
use chain::Watch;
use chain::chaininterface::{BroadcasterInterface, FeeEstimator};
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, HTLC_FAIL_BACK_BUFFER, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY, MonitorEvent};
use chain::transaction::{OutPoint, TransactionData};
use ln::channel::{Channel, ChannelError};
use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, HTLC_FAIL_BACK_BUFFER, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY, MonitorEvent};
use ln::features::{InitFeatures, NodeFeatures};
use routing::router::{Route, RouteHop};
use ln::msgs;
@ -129,7 +129,7 @@ pub(super) enum HTLCForwardInfo {
/// Tracks the inbound corresponding to an outbound HTLC
#[derive(Clone, PartialEq)]
pub(super) struct HTLCPreviousHopData {
pub(crate) struct HTLCPreviousHopData {
short_channel_id: u64,
htlc_id: u64,
incoming_packet_shared_secret: [u8; 32],
@ -148,7 +148,7 @@ struct ClaimableHTLC {
/// Tracks the inbound corresponding to an outbound HTLC
#[derive(Clone, PartialEq)]
pub(super) enum HTLCSource {
pub(crate) enum HTLCSource {
PreviousHopData(HTLCPreviousHopData),
OutboundRoute {
path: Vec<RouteHop>,

2
lightning/src/ln/functional_test_utils.rs
View file

@ -11,9 +11,9 @@
//! nodes for functional tests.
use chain::Watch;
use chain::channelmonitor::ChannelMonitor;
use chain::transaction::OutPoint;
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure};
use ln::channelmonitor::ChannelMonitor;
use routing::router::{Route, get_route};
use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
use ln::features::InitFeatures;

4
lightning/src/ln/functional_tests.rs
View file

@ -12,12 +12,12 @@
//! claim outputs on-chain.
use chain::Watch;
use chain::channelmonitor;
use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use chain::transaction::OutPoint;
use chain::keysinterface::{ChannelKeys, KeysInterface, SpendableOutputDescriptor};
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure, BREAKDOWN_TIMEOUT};
use ln::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use ln::channelmonitor;
use ln::channel::{Channel, ChannelError};
use ln::{chan_utils, onion_utils};
use routing::router::{Route, RouteHop, get_route};

1
lightning/src/ln/mod.rs
View file

@ -19,7 +19,6 @@
//! call into your NetGraphMsgHandler.
pub mod channelmanager;
pub mod channelmonitor;
pub mod msgs;
pub mod peer_handler;
pub mod chan_utils;

18
lightning/src/ln/onchaintx.rs
View file

@ -22,11 +22,11 @@ use bitcoin::secp256k1::{Secp256k1, Signature};
use bitcoin::secp256k1;
use ln::msgs::DecodeError;
use ln::channelmonitor::{ANTI_REORG_DELAY, CLTV_SHARED_CLAIM_BUFFER, InputMaterial, ClaimRequest};
use ln::channelmanager::PaymentPreimage;
use ln::chan_utils;
use ln::chan_utils::{TxCreationKeys, HolderCommitmentTransaction};
use chain::chaininterface::{FeeEstimator, BroadcasterInterface, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT};
use chain::channelmonitor::{ANTI_REORG_DELAY, CLTV_SHARED_CLAIM_BUFFER, InputMaterial, ClaimRequest};
use chain::keysinterface::ChannelKeys;
use util::logger::Logger;
use util::ser::{Readable, Writer, Writeable};
@ -405,7 +405,7 @@ impl<ChanSigner: ChannelKeys + Readable> Readable for OnchainTxHandler<ChanSigne
}
impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
pub(super) fn new(destination_script: Script, keys: ChanSigner, on_holder_tx_csv: u16) -> Self {
pub(crate) fn new(destination_script: Script, keys: ChanSigner, on_holder_tx_csv: u16) -> Self {
let key_storage = keys;
@ -425,7 +425,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
}
pub(super) fn get_witnesses_weight(inputs: &[InputDescriptors]) -> usize {
pub(crate) fn get_witnesses_weight(inputs: &[InputDescriptors]) -> usize {
let mut tx_weight = 2; // count segwit flags
for inp in inputs {
// We use expected weight (and not actual) as signatures and time lock delays may vary
@ -829,7 +829,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
}
pub(super) fn block_disconnected<B: Deref, F: Deref, L: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: F, logger: L)
pub(crate) fn block_disconnected<B: Deref, F: Deref, L: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: F, logger: L)
where B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
L::Target: Logger,
@ -877,7 +877,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
}
pub(super) fn provide_latest_holder_tx(&mut self, tx: HolderCommitmentTransaction) {
pub(crate) fn provide_latest_holder_tx(&mut self, tx: HolderCommitmentTransaction) {
self.prev_holder_commitment = self.holder_commitment.take();
self.holder_commitment = Some(tx);
}
@ -919,7 +919,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
// have empty holder commitment transaction if a ChannelMonitor is asked to force-close just after Channel::get_outbound_funding_created,
// before providing a initial commitment transaction. For outbound channel, init ChannelMonitor at Channel::funding_signed, there is nothing
// to monitor before.
pub(super) fn get_fully_signed_holder_tx(&mut self, funding_redeemscript: &Script) -> Option<Transaction> {
pub(crate) fn get_fully_signed_holder_tx(&mut self, funding_redeemscript: &Script) -> Option<Transaction> {
if let Some(ref mut holder_commitment) = self.holder_commitment {
match self.key_storage.sign_holder_commitment(holder_commitment, &self.secp_ctx) {
Ok(sig) => Some(holder_commitment.add_holder_sig(funding_redeemscript, sig)),
@ -931,7 +931,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
#[cfg(any(test, feature="unsafe_revoked_tx_signing"))]
pub(super) fn get_fully_signed_copy_holder_tx(&mut self, funding_redeemscript: &Script) -> Option<Transaction> {
pub(crate) fn get_fully_signed_copy_holder_tx(&mut self, funding_redeemscript: &Script) -> Option<Transaction> {
if let Some(ref mut holder_commitment) = self.holder_commitment {
let holder_commitment = holder_commitment.clone();
match self.key_storage.sign_holder_commitment(&holder_commitment, &self.secp_ctx) {
@ -943,7 +943,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
}
pub(super) fn get_fully_signed_htlc_tx(&mut self, outp: &::bitcoin::OutPoint, preimage: &Option<PaymentPreimage>) -> Option<Transaction> {
pub(crate) fn get_fully_signed_htlc_tx(&mut self, outp: &::bitcoin::OutPoint, preimage: &Option<PaymentPreimage>) -> Option<Transaction> {
let mut htlc_tx = None;
if self.holder_commitment.is_some() {
let commitment_txid = self.holder_commitment.as_ref().unwrap().txid();
@ -971,7 +971,7 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
}
#[cfg(any(test,feature = "unsafe_revoked_tx_signing"))]
pub(super) fn unsafe_get_fully_signed_htlc_tx(&mut self, outp: &::bitcoin::OutPoint, preimage: &Option<PaymentPreimage>) -> Option<Transaction> {
pub(crate) fn unsafe_get_fully_signed_htlc_tx(&mut self, outp: &::bitcoin::OutPoint, preimage: &Option<PaymentPreimage>) -> Option<Transaction> {
let latest_had_sigs = self.holder_htlc_sigs.is_some();
let prev_had_sigs = self.prev_holder_htlc_sigs.is_some();
let ret = self.get_fully_signed_htlc_tx(outp, preimage);

2
lightning/src/ln/onion_route_tests.rs
View file

@ -11,8 +11,8 @@
//! These tests work by standing up full nodes and route payments across the network, checking the
//! returned errors decode to the correct thing.
use chain::channelmonitor::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
use ln::channelmanager::{HTLCForwardInfo, PaymentPreimage, PaymentHash};
use ln::channelmonitor::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
use ln::onion_utils;
use routing::router::{Route, get_route};
use ln::features::InitFeatures;

2
lightning/src/ln/reorg_tests.rs
View file

@ -9,7 +9,7 @@
//! Further functional tests which test blockchain reorganizations.
use ln::channelmonitor::ANTI_REORG_DELAY;
use chain::channelmonitor::ANTI_REORG_DELAY;
use ln::features::InitFeatures;
use ln::msgs::{ChannelMessageHandler, ErrorAction, HTLCFailChannelUpdate};
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};

4
lightning/src/util/test_utils.rs
View file

@ -10,13 +10,13 @@
use chain;
use chain::chaininterface;
use chain::chaininterface::ConfirmationTarget;
use chain::channelmonitor;
use chain::channelmonitor::MonitorEvent;
use chain::transaction::OutPoint;
use chain::keysinterface;
use ln::channelmonitor;
use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
use ln::msgs::OptionalField;
use ln::channelmonitor::MonitorEvent;
use util::enforcing_trait_impls::EnforcingChannelKeys;
use util::events;
use util::logger::{Logger, Level, Record};