//! This module contains a simple key-value store trait [`KVStore`] that
//! allows one to implement the persistence for [`ChannelManager`], [`NetworkGraph`],
//! and [`ChannelMonitor`] all in one place.
+//!
+//! [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
use core::cmp;
-use core::convert::{TryFrom, TryInto};
use core::ops::Deref;
-use bitcoin::hashes::hex::{FromHex, ToHex};
+use core::str::FromStr;
use bitcoin::{BlockHash, Txid};
use crate::{io, log_error};
-use crate::alloc::string::ToString;
-use crate::prelude::{Vec, String};
+use crate::prelude::*;
use crate::chain;
use crate::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
use crate::chain::chainmonitor::{Persist, MonitorUpdateId};
-use crate::sign::{EntropySource, NodeSigner, WriteableEcdsaChannelSigner, SignerProvider};
+use crate::sign::{EntropySource, ecdsa::WriteableEcdsaChannelSigner, SignerProvider};
use crate::chain::transaction::OutPoint;
use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, CLOSED_CHANNEL_UPDATE_ID};
-use crate::ln::channelmanager::ChannelManager;
-use crate::routing::router::Router;
+use crate::ln::channelmanager::AChannelManager;
use crate::routing::gossip::NetworkGraph;
use crate::routing::scoring::WriteableScore;
use crate::util::logger::Logger;
/// The maximum number of characters namespaces and keys may have.
pub const KVSTORE_NAMESPACE_KEY_MAX_LEN: usize = 120;
-/// The namespace under which the [`ChannelManager`] will be persisted.
-pub const CHANNEL_MANAGER_PERSISTENCE_NAMESPACE: &str = "";
-/// The sub-namespace under which the [`ChannelManager`] will be persisted.
-pub const CHANNEL_MANAGER_PERSISTENCE_SUB_NAMESPACE: &str = "";
+/// The primary namespace under which the [`ChannelManager`] will be persisted.
+///
+/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+pub const CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE: &str = "";
+/// The secondary namespace under which the [`ChannelManager`] will be persisted.
+///
+/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+pub const CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
/// The key under which the [`ChannelManager`] will be persisted.
+///
+/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
pub const CHANNEL_MANAGER_PERSISTENCE_KEY: &str = "manager";
-/// The namespace under which [`ChannelMonitor`]s will be persisted.
-pub const CHANNEL_MONITOR_PERSISTENCE_NAMESPACE: &str = "monitors";
-/// The sub-namespace under which [`ChannelMonitor`]s will be persisted.
-pub const CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE: &str = "";
-/// The namespace under which [`ChannelMonitorUpdate`]s will be persisted.
-pub const CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE: &str = "monitor_updates";
-
-/// The namespace under which the [`NetworkGraph`] will be persisted.
-pub const NETWORK_GRAPH_PERSISTENCE_NAMESPACE: &str = "";
-/// The sub-namespace under which the [`NetworkGraph`] will be persisted.
-pub const NETWORK_GRAPH_PERSISTENCE_SUB_NAMESPACE: &str = "";
+/// The primary namespace under which [`ChannelMonitor`]s will be persisted.
+pub const CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE: &str = "monitors";
+/// The secondary namespace under which [`ChannelMonitor`]s will be persisted.
+pub const CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
+/// The primary namespace under which [`ChannelMonitorUpdate`]s will be persisted.
+pub const CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE: &str = "monitor_updates";
+
+/// The primary namespace under which archived [`ChannelMonitor`]s will be persisted.
+pub const ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE: &str = "archived_monitors";
+/// The secondary namespace under which archived [`ChannelMonitor`]s will be persisted.
+pub const ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
+
+/// The primary namespace under which the [`NetworkGraph`] will be persisted.
+pub const NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE: &str = "";
+/// The secondary namespace under which the [`NetworkGraph`] will be persisted.
+pub const NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
/// The key under which the [`NetworkGraph`] will be persisted.
pub const NETWORK_GRAPH_PERSISTENCE_KEY: &str = "network_graph";
-/// The namespace under which the [`WriteableScore`] will be persisted.
-pub const SCORER_PERSISTENCE_NAMESPACE: &str = "";
-/// The sub-namespace under which the [`WriteableScore`] will be persisted.
-pub const SCORER_PERSISTENCE_SUB_NAMESPACE: &str = "";
+/// The primary namespace under which the [`WriteableScore`] will be persisted.
+pub const SCORER_PERSISTENCE_PRIMARY_NAMESPACE: &str = "";
+/// The secondary namespace under which the [`WriteableScore`] will be persisted.
+pub const SCORER_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
/// The key under which the [`WriteableScore`] will be persisted.
pub const SCORER_PERSISTENCE_KEY: &str = "scorer";
+/// The primary namespace under which [`OutputSweeper`] state will be persisted.
+///
+/// [`OutputSweeper`]: crate::util::sweep::OutputSweeper
+pub const OUTPUT_SWEEPER_PERSISTENCE_PRIMARY_NAMESPACE: &str = "";
+/// The secondary namespace under which [`OutputSweeper`] state will be persisted.
+///
+/// [`OutputSweeper`]: crate::util::sweep::OutputSweeper
+pub const OUTPUT_SWEEPER_PERSISTENCE_SECONDARY_NAMESPACE: &str = "";
+/// The secondary namespace under which [`OutputSweeper`] state will be persisted.
+/// The key under which [`OutputSweeper`] state will be persisted.
+///
+/// [`OutputSweeper`]: crate::util::sweep::OutputSweeper
+pub const OUTPUT_SWEEPER_PERSISTENCE_KEY: &str = "output_sweeper";
+
/// A sentinel value to be prepended to monitors persisted by the [`MonitorUpdatingPersister`].
///
/// This serves to prevent someone from accidentally loading such monitors (which may need
/// Provides an interface that allows storage and retrieval of persisted values that are associated
/// with given keys.
///
-/// In order to avoid collisions the key space is segmented based on the given `namespace`s and
-/// `sub_namespace`s. Implementations of this trait are free to handle them in different ways, as
-/// long as per-namespace key uniqueness is asserted.
+/// In order to avoid collisions the key space is segmented based on the given `primary_namespace`s
+/// and `secondary_namespace`s. Implementations of this trait are free to handle them in different
+/// ways, as long as per-namespace key uniqueness is asserted.
///
/// Keys and namespaces are required to be valid ASCII strings in the range of
/// [`KVSTORE_NAMESPACE_KEY_ALPHABET`] and no longer than [`KVSTORE_NAMESPACE_KEY_MAX_LEN`]. Empty
-/// namespaces and sub-namespaces (`""`) are assumed to be a valid, however, if `namespace` is
-/// empty, `sub_namespace` is required to be empty, too. This means that concerns should always be
-/// separated by namespace first, before sub-namespaces are used. While the number of namespaces
-/// will be relatively small and is determined at compile time, there may be many sub-namespaces
-/// per namespace. Note that per-namespace uniqueness needs to also hold for keys *and*
-/// namespaces/sub-namespaces in any given namespace/sub-namespace, i.e., conflicts between keys
-/// and equally named namespaces/sub-namespaces must be avoided.
+/// primary namespaces and secondary namespaces (`""`) are assumed to be a valid, however, if
+/// `primary_namespace` is empty, `secondary_namespace` is required to be empty, too. This means
+/// that concerns should always be separated by primary namespace first, before secondary
+/// namespaces are used. While the number of primary namespaces will be relatively small and is
+/// determined at compile time, there may be many secondary namespaces per primary namespace. Note
+/// that per-namespace uniqueness needs to also hold for keys *and* namespaces in any given
+/// namespace, i.e., conflicts between keys and equally named
+/// primary namespaces/secondary namespaces must be avoided.
///
/// **Note:** Users migrating custom persistence backends from the pre-v0.0.117 `KVStorePersister`
-/// interface can use a concatenation of `[{namespace}/[{sub_namespace}/]]{key}` to recover a `key` compatible with the
-/// data model previously assumed by `KVStorePersister::persist`.
+/// interface can use a concatenation of `[{primary_namespace}/[{secondary_namespace}/]]{key}` to
+/// recover a `key` compatible with the data model previously assumed by `KVStorePersister::persist`.
pub trait KVStore {
- /// Returns the data stored for the given `namespace`, `sub_namespace`, and `key`.
+ /// Returns the data stored for the given `primary_namespace`, `secondary_namespace`, and
+ /// `key`.
///
/// Returns an [`ErrorKind::NotFound`] if the given `key` could not be found in the given
- /// `namespace` and `sub_namespace`.
+ /// `primary_namespace` and `secondary_namespace`.
///
/// [`ErrorKind::NotFound`]: io::ErrorKind::NotFound
- fn read(&self, namespace: &str, sub_namespace: &str, key: &str) -> io::Result<Vec<u8>>;
+ fn read(&self, primary_namespace: &str, secondary_namespace: &str, key: &str) -> Result<Vec<u8>, io::Error>;
/// Persists the given data under the given `key`.
///
- /// Will create the given `namespace` and `sub_namespace` if not already present in the store.
- fn write(&self, namespace: &str, sub_namespace: &str, key: &str, buf: &[u8]) -> io::Result<()>;
+ /// Will create the given `primary_namespace` and `secondary_namespace` if not already present
+ /// in the store.
+ fn write(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, buf: &[u8]) -> Result<(), io::Error>;
/// Removes any data that had previously been persisted under the given `key`.
///
/// If the `lazy` flag is set to `true`, the backend implementation might choose to lazily
/// potentially get lost on crash after the method returns. Therefore, this flag should only be
/// set for `remove` operations that can be safely replayed at a later time.
///
- /// Returns successfully if no data will be stored for the given `namespace`, `sub_namespace`, and
- /// `key`, independently of whether it was present before its invokation or not.
- fn remove(&self, namespace: &str, sub_namespace: &str, key: &str, lazy: bool) -> io::Result<()>;
- /// Returns a list of keys that are stored under the given `sub_namespace` in `namespace`.
+ /// Returns successfully if no data will be stored for the given `primary_namespace`,
+ /// `secondary_namespace`, and `key`, independently of whether it was present before its
+ /// invokation or not.
+ fn remove(&self, primary_namespace: &str, secondary_namespace: &str, key: &str, lazy: bool) -> Result<(), io::Error>;
+ /// Returns a list of keys that are stored under the given `secondary_namespace` in
+ /// `primary_namespace`.
///
/// Returns the keys in arbitrary order, so users requiring a particular order need to sort the
- /// returned keys. Returns an empty list if `namespace` or `sub_namespace` is unknown.
- fn list(&self, namespace: &str, sub_namespace: &str) -> io::Result<Vec<String>>;
+ /// returned keys. Returns an empty list if `primary_namespace` or `secondary_namespace` is unknown.
+ fn list(&self, primary_namespace: &str, secondary_namespace: &str) -> Result<Vec<String>, io::Error>;
}
/// Trait that handles persisting a [`ChannelManager`], [`NetworkGraph`], and [`WriteableScore`] to disk.
-pub trait Persister<'a, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref, S: WriteableScore<'a>>
- where M::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
- T::Target: 'static + BroadcasterInterface,
- ES::Target: 'static + EntropySource,
- NS::Target: 'static + NodeSigner,
- SP::Target: 'static + SignerProvider,
- F::Target: 'static + FeeEstimator,
- R::Target: 'static + Router,
- L::Target: 'static + Logger,
+///
+/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+pub trait Persister<'a, CM: Deref, L: Deref, S: WriteableScore<'a>>
+where
+ CM::Target: 'static + AChannelManager,
+ L::Target: 'static + Logger,
{
/// Persist the given ['ChannelManager'] to disk, returning an error if persistence failed.
- fn persist_manager(&self, channel_manager: &ChannelManager<M, T, ES, NS, SP, F, R, L>) -> Result<(), io::Error>;
+ ///
+ /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ fn persist_manager(&self, channel_manager: &CM) -> Result<(), io::Error>;
/// Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
fn persist_graph(&self, network_graph: &NetworkGraph<L>) -> Result<(), io::Error>;
}
-impl<'a, A: KVStore, M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref, S: WriteableScore<'a>> Persister<'a, M, T, ES, NS, SP, F, R, L, S> for A
- where M::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
- T::Target: 'static + BroadcasterInterface,
- ES::Target: 'static + EntropySource,
- NS::Target: 'static + NodeSigner,
- SP::Target: 'static + SignerProvider,
- F::Target: 'static + FeeEstimator,
- R::Target: 'static + Router,
- L::Target: 'static + Logger,
+impl<'a, A: KVStore + ?Sized, CM: Deref, L: Deref, S: WriteableScore<'a>> Persister<'a, CM, L, S> for A
+where
+ CM::Target: 'static + AChannelManager,
+ L::Target: 'static + Logger,
{
- /// Persist the given [`ChannelManager`] to disk, returning an error if persistence failed.
- fn persist_manager(&self, channel_manager: &ChannelManager<M, T, ES, NS, SP, F, R, L>) -> Result<(), io::Error> {
- self.write(CHANNEL_MANAGER_PERSISTENCE_NAMESPACE,
- CHANNEL_MANAGER_PERSISTENCE_SUB_NAMESPACE,
- CHANNEL_MANAGER_PERSISTENCE_KEY,
- &channel_manager.encode())
+ fn persist_manager(&self, channel_manager: &CM) -> Result<(), io::Error> {
+ self.write(CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
+ CHANNEL_MANAGER_PERSISTENCE_KEY,
+ &channel_manager.get_cm().encode())
}
- /// Persist the given [`NetworkGraph`] to disk, returning an error if persistence failed.
fn persist_graph(&self, network_graph: &NetworkGraph<L>) -> Result<(), io::Error> {
- self.write(NETWORK_GRAPH_PERSISTENCE_NAMESPACE,
- NETWORK_GRAPH_PERSISTENCE_SUB_NAMESPACE,
- NETWORK_GRAPH_PERSISTENCE_KEY,
- &network_graph.encode())
+ self.write(NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
+ NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
+ NETWORK_GRAPH_PERSISTENCE_KEY,
+ &network_graph.encode())
}
- /// Persist the given [`WriteableScore`] to disk, returning an error if persistence failed.
fn persist_scorer(&self, scorer: &S) -> Result<(), io::Error> {
- self.write(SCORER_PERSISTENCE_NAMESPACE,
- SCORER_PERSISTENCE_SUB_NAMESPACE,
- SCORER_PERSISTENCE_KEY,
- &scorer.encode())
+ self.write(SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
+ SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
+ SCORER_PERSISTENCE_KEY,
+ &scorer.encode())
}
}
-impl<ChannelSigner: WriteableEcdsaChannelSigner, K: KVStore> Persist<ChannelSigner> for K {
+impl<ChannelSigner: WriteableEcdsaChannelSigner, K: KVStore + ?Sized> Persist<ChannelSigner> for K {
// TODO: We really need a way for the persister to inform the user that its time to crash/shut
// down once these start returning failure.
// Then we should return InProgress rather than UnrecoverableError, implying we should probably
// just shut down the node since we're not retrying persistence!
fn persist_new_channel(&self, funding_txo: OutPoint, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> chain::ChannelMonitorUpdateStatus {
- let key = format!("{}_{}", funding_txo.txid.to_hex(), funding_txo.index);
+ let key = format!("{}_{}", funding_txo.txid.to_string(), funding_txo.index);
match self.write(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
&key, &monitor.encode())
{
Ok(()) => chain::ChannelMonitorUpdateStatus::Completed,
}
fn update_persisted_channel(&self, funding_txo: OutPoint, _update: Option<&ChannelMonitorUpdate>, monitor: &ChannelMonitor<ChannelSigner>, _update_id: MonitorUpdateId) -> chain::ChannelMonitorUpdateStatus {
- let key = format!("{}_{}", funding_txo.txid.to_hex(), funding_txo.index);
+ let key = format!("{}_{}", funding_txo.txid.to_string(), funding_txo.index);
match self.write(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
&key, &monitor.encode())
{
Ok(()) => chain::ChannelMonitorUpdateStatus::Completed,
Err(_) => chain::ChannelMonitorUpdateStatus::UnrecoverableError
}
}
+
+ fn archive_persisted_channel(&self, funding_txo: OutPoint) {
+ let monitor_name = MonitorName::from(funding_txo);
+ let monitor = match self.read(
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
+ monitor_name.as_str(),
+ ) {
+ Ok(monitor) => monitor,
+ Err(_) => return
+ };
+ match self.write(
+ ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
+ monitor_name.as_str(),
+ &monitor,
+ ) {
+ Ok(()) => {}
+ Err(_e) => return
+ };
+ let _ = self.remove(
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
+ monitor_name.as_str(),
+ true,
+ );
+ }
}
/// Read previously persisted [`ChannelMonitor`]s from the store.
pub fn read_channel_monitors<K: Deref, ES: Deref, SP: Deref>(
kv_store: K, entropy_source: ES, signer_provider: SP,
-) -> Result<Vec<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>, io::Error>
+) -> Result<Vec<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>)>, io::Error>
where
K::Target: KVStore,
ES::Target: EntropySource + Sized,
let mut res = Vec::new();
for stored_key in kv_store.list(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE, CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE)?
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE, CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE)?
{
if stored_key.len() < 66 {
return Err(io::Error::new(
"Stored key has invalid length"));
}
- let txid = Txid::from_hex(stored_key.split_at(64).0).map_err(|_| {
+ let txid = Txid::from_str(stored_key.split_at(64).0).map_err(|_| {
io::Error::new(io::ErrorKind::InvalidData, "Invalid tx ID in stored key")
})?;
io::Error::new(io::ErrorKind::InvalidData, "Invalid tx index in stored key")
})?;
- match <(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>::read(
+ match <(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>)>::read(
&mut io::Cursor::new(
- kv_store.read(CHANNEL_MONITOR_PERSISTENCE_NAMESPACE, CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE, &stored_key)?),
+ kv_store.read(CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE, CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE, &stored_key)?),
(&*entropy_source, &*signer_provider),
) {
Ok((block_hash, channel_monitor)) => {
/// - [`Persist::persist_new_channel`], which persists whole [`ChannelMonitor`]s.
/// - [`Persist::update_persisted_channel`], which persists only a [`ChannelMonitorUpdate`]
///
-/// Whole [`ChannelMonitor`]s are stored in the [`CHANNEL_MONITOR_PERSISTENCE_NAMESPACE`], using the
-/// familiar encoding of an [`OutPoint`] (for example, `[SOME-64-CHAR-HEX-STRING]_1`).
+/// Whole [`ChannelMonitor`]s are stored in the [`CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE`],
+/// using the familiar encoding of an [`OutPoint`] (for example, `[SOME-64-CHAR-HEX-STRING]_1`).
///
-/// Each [`ChannelMonitorUpdate`] is stored in a dynamic sub-namespace, as follows:
+/// Each [`ChannelMonitorUpdate`] is stored in a dynamic secondary namespace, as follows:
///
-/// - namespace: [`CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE`]
-/// - sub-namespace: [the monitor's encoded outpoint name]
+/// - primary namespace: [`CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE`]
+/// - secondary namespace: [the monitor's encoded outpoint name]
///
-/// Under that sub-namespace, each update is stored with a number string, like `21`, which
+/// Under that secondary namespace, each update is stored with a number string, like `21`, which
/// represents its `update_id` value.
///
/// For example, consider this channel, named for its transaction ID and index, or [`OutPoint`]:
///
/// Full channel monitors would be stored at a single key:
///
-/// `[CHANNEL_MONITOR_PERSISTENCE_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1`
+/// `[CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1`
///
-/// Updates would be stored as follows (with `/` delimiting namespace/sub-namespace/key):
+/// Updates would be stored as follows (with `/` delimiting primary_namespace/secondary_namespace/key):
///
/// ```text
-/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/1
-/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/2
-/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/3
+/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/1
+/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/2
+/// [CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE]/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1/3
/// ```
/// ... and so on.
///
/// [`MonitorUpdatingPersister::read_all_channel_monitors_with_updates`]. Alternatively, users can
/// list channel monitors themselves and load channels individually using
/// [`MonitorUpdatingPersister::read_channel_monitor_with_updates`].
-///
+///
/// ## EXTREMELY IMPORTANT
-///
+///
/// It is extremely important that your [`KVStore::read`] implementation uses the
/// [`io::ErrorKind::NotFound`] variant correctly: that is, when a file is not found, and _only_ in
/// that circumstance (not when there is really a permissions error, for example). This is because
///
/// # Pruning stale channel updates
///
-/// Stale updates are pruned when a full monitor is written. The old monitor is first read, and if
-/// that succeeds, updates in the range between the old and new monitors are deleted. The `lazy`
-/// flag is used on the [`KVStore::remove`] method, so there are no guarantees that the deletions
+/// Stale updates are pruned when the consolidation threshold is reached according to `maximum_pending_updates`.
+/// Monitor updates in the range between the latest `update_id` and `update_id - maximum_pending_updates`
+/// are deleted.
+/// The `lazy` flag is used on the [`KVStore::remove`] method, so there are no guarantees that the deletions
/// will complete. However, stale updates are not a problem for data integrity, since updates are
/// only read that are higher than the stored [`ChannelMonitor`]'s `update_id`.
///
/// consolidation will frequently occur with fewer updates than what you set here; this number
/// is merely the maximum that may be stored. When setting this value, consider that for higher
/// values of `maximum_pending_updates`:
- ///
+ ///
/// - [`MonitorUpdatingPersister`] will tend to write more [`ChannelMonitorUpdate`]s than
/// [`ChannelMonitor`]s, approaching one [`ChannelMonitor`] write for every
/// `maximum_pending_updates` [`ChannelMonitorUpdate`]s.
pub fn new(
kv_store: K, logger: L, maximum_pending_updates: u64, entropy_source: ES,
signer_provider: SP,
- ) -> Self
- where
- ES::Target: EntropySource + Sized,
- SP::Target: SignerProvider + Sized,
- {
+ ) -> Self {
MonitorUpdatingPersister {
kv_store,
logger,
/// It is extremely important that your [`KVStore::read`] implementation uses the
/// [`io::ErrorKind::NotFound`] variant correctly. For more information, please see the
/// documentation for [`MonitorUpdatingPersister`].
- pub fn read_all_channel_monitors_with_updates<B: Deref, F: Deref + Clone>(
- &self, broadcaster: B, fee_estimator: F,
- ) -> Result<Vec<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>, io::Error>
+ pub fn read_all_channel_monitors_with_updates<B: Deref, F: Deref>(
+ &self, broadcaster: &B, fee_estimator: &F,
+ ) -> Result<Vec<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>)>, io::Error>
where
- ES::Target: EntropySource + Sized,
- SP::Target: SignerProvider + Sized,
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
{
let monitor_list = self.kv_store.list(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
)?;
let mut res = Vec::with_capacity(monitor_list.len());
for monitor_key in monitor_list {
res.push(self.read_channel_monitor_with_updates(
- &broadcaster,
- fee_estimator.clone(),
+ broadcaster,
+ fee_estimator,
monitor_key,
)?)
}
///
/// The correct `monitor_key` would be:
/// `deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1`
- ///
+ ///
/// Loading a large number of monitors will be faster if done in parallel. You can use this
/// function to accomplish this. Take care to limit the number of parallel readers.
- pub fn read_channel_monitor_with_updates<B: Deref, F: Deref + Clone>(
- &self, broadcaster: &B, fee_estimator: F, monitor_key: String,
- ) -> Result<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>), io::Error>
+ pub fn read_channel_monitor_with_updates<B: Deref, F: Deref>(
+ &self, broadcaster: &B, fee_estimator: &F, monitor_key: String,
+ ) -> Result<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>), io::Error>
where
- ES::Target: EntropySource + Sized,
- SP::Target: SignerProvider + Sized,
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
{
Err(err) => return Err(err),
};
- monitor.update_monitor(&update, broadcaster, fee_estimator.clone(), &self.logger)
+ monitor.update_monitor(&update, broadcaster, fee_estimator, &self.logger)
.map_err(|e| {
log_error!(
self.logger,
/// Read a channel monitor.
fn read_monitor(
&self, monitor_name: &MonitorName,
- ) -> Result<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>), io::Error> {
+ ) -> Result<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>), io::Error> {
let outpoint: OutPoint = monitor_name.try_into()?;
let mut monitor_cursor = io::Cursor::new(self.kv_store.read(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
monitor_name.as_str(),
)?);
// Discard the sentinel bytes if found.
if monitor_cursor.get_ref().starts_with(MONITOR_UPDATING_PERSISTER_PREPEND_SENTINEL) {
monitor_cursor.set_position(MONITOR_UPDATING_PERSISTER_PREPEND_SENTINEL.len() as u64);
}
- match <(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>::read(
+ match <(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::EcdsaSigner>)>::read(
&mut monitor_cursor,
(&*self.entropy_source, &*self.signer_provider),
) {
&self, monitor_name: &MonitorName, update_name: &UpdateName,
) -> Result<ChannelMonitorUpdate, io::Error> {
let update_bytes = self.kv_store.read(
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str(),
update_name.as_str(),
)?;
log_error!(
self.logger,
"Failed to read ChannelMonitorUpdate {}/{}/{}, reason: {}",
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str(),
update_name.as_str(),
e,
/// be passed to [`KVStore::remove`].
pub fn cleanup_stale_updates(&self, lazy: bool) -> Result<(), io::Error> {
let monitor_keys = self.kv_store.list(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
)?;
for monitor_key in monitor_keys {
let monitor_name = MonitorName::new(monitor_key)?;
let (_, current_monitor) = self.read_monitor(&monitor_name)?;
let updates = self
.kv_store
- .list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str())?;
+ .list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str())?;
for update in updates {
let update_name = UpdateName::new(update)?;
// if the update_id is lower than the stored monitor, delete
if update_name.0 <= current_monitor.get_latest_update_id() {
self.kv_store.remove(
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str(),
update_name.as_str(),
lazy,
}
}
-impl<ChannelSigner: WriteableEcdsaChannelSigner, K: Deref, L: Deref, ES: Deref, SP: Deref>
+impl<ChannelSigner: WriteableEcdsaChannelSigner, K: Deref, L: Deref, ES: Deref, SP: Deref>
Persist<ChannelSigner> for MonitorUpdatingPersister<K, L, ES, SP>
where
K::Target: KVStore,
) -> chain::ChannelMonitorUpdateStatus {
// Determine the proper key for this monitor
let monitor_name = MonitorName::from(funding_txo);
- let maybe_old_monitor = self.read_monitor(&monitor_name);
- match maybe_old_monitor {
- Ok((_, ref old_monitor)) => {
- // Check that this key isn't already storing a monitor with a higher update_id
- // (collision)
- if old_monitor.get_latest_update_id() > monitor.get_latest_update_id() {
- log_error!(
- self.logger,
- "Tried to write a monitor at the same outpoint {} with a higher update_id!",
- monitor_name.as_str()
- );
- return chain::ChannelMonitorUpdateStatus::UnrecoverableError;
- }
- }
- // This means the channel monitor is new.
- Err(ref e) if e.kind() == io::ErrorKind::NotFound => {}
- _ => return chain::ChannelMonitorUpdateStatus::UnrecoverableError,
- }
// Serialize and write the new monitor
let mut monitor_bytes = Vec::with_capacity(
MONITOR_UPDATING_PERSISTER_PREPEND_SENTINEL.len() + monitor.serialized_length(),
monitor_bytes.extend_from_slice(MONITOR_UPDATING_PERSISTER_PREPEND_SENTINEL);
monitor.write(&mut monitor_bytes).unwrap();
match self.kv_store.write(
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
monitor_name.as_str(),
&monitor_bytes,
) {
Ok(_) => {
- // Assess cleanup. Typically, we'll clean up only between the last two known full
- // monitors.
- if let Ok((_, old_monitor)) = maybe_old_monitor {
- let start = old_monitor.get_latest_update_id();
- let end = if monitor.get_latest_update_id() == CLOSED_CHANNEL_UPDATE_ID {
- // We don't want to clean the rest of u64, so just do possible pending
- // updates. Note that we never write updates at
- // `CLOSED_CHANNEL_UPDATE_ID`.
- cmp::min(
- start.saturating_add(self.maximum_pending_updates),
- CLOSED_CHANNEL_UPDATE_ID - 1,
- )
- } else {
- monitor.get_latest_update_id().saturating_sub(1)
- };
- // We should bother cleaning up only if there's at least one update
- // expected.
- for update_id in start..=end {
- let update_name = UpdateName::from(update_id);
- #[cfg(debug_assertions)]
- {
- if let Ok(update) =
- self.read_monitor_update(&monitor_name, &update_name)
- {
- // Assert that we are reading what we think we are.
- debug_assert_eq!(update.update_id, update_name.0);
- } else if update_id != start && monitor.get_latest_update_id() != CLOSED_CHANNEL_UPDATE_ID
- {
- // We're deleting something we should know doesn't exist.
- panic!(
- "failed to read monitor update {}",
- update_name.as_str()
- );
- }
- // On closed channels, we will unavoidably try to read
- // non-existent updates since we have to guess at the range of
- // stale updates, so do nothing.
- }
- if let Err(e) = self.kv_store.remove(
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
- monitor_name.as_str(),
- update_name.as_str(),
- true,
- ) {
- log_error!(
- self.logger,
- "error cleaning up channel monitor updates for monitor {}, reason: {}",
- monitor_name.as_str(),
- e
- );
- };
- }
- };
chain::ChannelMonitorUpdateStatus::Completed
}
Err(e) => {
log_error!(
self.logger,
- "error writing channel monitor {}/{}/{} reason: {}",
- CHANNEL_MONITOR_PERSISTENCE_NAMESPACE,
- CHANNEL_MONITOR_PERSISTENCE_SUB_NAMESPACE,
+ "Failed to write ChannelMonitor {}/{}/{} reason: {}",
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
monitor_name.as_str(),
e
);
let monitor_name = MonitorName::from(funding_txo);
let update_name = UpdateName::from(update.update_id);
match self.kv_store.write(
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str(),
update_name.as_str(),
&update.encode(),
Err(e) => {
log_error!(
self.logger,
- "error writing channel monitor update {}/{}/{} reason: {}",
- CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ "Failed to write ChannelMonitorUpdate {}/{}/{} reason: {}",
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str(),
update_name.as_str(),
e
}
}
} else {
- // We could write this update, but it meets criteria of our design that call for a full monitor write.
- self.persist_new_channel(funding_txo, monitor, monitor_update_call_id)
+ let monitor_name = MonitorName::from(funding_txo);
+ // In case of channel-close monitor update, we need to read old monitor before persisting
+ // the new one in order to determine the cleanup range.
+ let maybe_old_monitor = match monitor.get_latest_update_id() {
+ CLOSED_CHANNEL_UPDATE_ID => self.read_monitor(&monitor_name).ok(),
+ _ => None
+ };
+
+ // We could write this update, but it meets criteria of our design that calls for a full monitor write.
+ let monitor_update_status = self.persist_new_channel(funding_txo, monitor, monitor_update_call_id);
+
+ if let chain::ChannelMonitorUpdateStatus::Completed = monitor_update_status {
+ let cleanup_range = if monitor.get_latest_update_id() == CLOSED_CHANNEL_UPDATE_ID {
+ // If there is an error while reading old monitor, we skip clean up.
+ maybe_old_monitor.map(|(_, ref old_monitor)| {
+ let start = old_monitor.get_latest_update_id();
+ // We never persist an update with update_id = CLOSED_CHANNEL_UPDATE_ID
+ let end = cmp::min(
+ start.saturating_add(self.maximum_pending_updates),
+ CLOSED_CHANNEL_UPDATE_ID - 1,
+ );
+ (start, end)
+ })
+ } else {
+ let end = monitor.get_latest_update_id();
+ let start = end.saturating_sub(self.maximum_pending_updates);
+ Some((start, end))
+ };
+
+ if let Some((start, end)) = cleanup_range {
+ self.cleanup_in_range(monitor_name, start, end);
+ }
+ }
+
+ monitor_update_status
}
} else {
// There is no update given, so we must persist a new monitor.
self.persist_new_channel(funding_txo, monitor, monitor_update_call_id)
}
}
+
+ fn archive_persisted_channel(&self, funding_txo: OutPoint) {
+ let monitor_name = MonitorName::from(funding_txo);
+ let monitor = match self.read_monitor(&monitor_name) {
+ Ok((_block_hash, monitor)) => monitor,
+ Err(_) => return
+ };
+ match self.kv_store.write(
+ ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ ARCHIVED_CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
+ monitor_name.as_str(),
+ &monitor.encode()
+ ) {
+ Ok(()) => {},
+ Err(_e) => return,
+ };
+ let _ = self.kv_store.remove(
+ CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
+ CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
+ monitor_name.as_str(),
+ true,
+ );
+ }
+}
+
+impl<K: Deref, L: Deref, ES: Deref, SP: Deref> MonitorUpdatingPersister<K, L, ES, SP>
+where
+ ES::Target: EntropySource + Sized,
+ K::Target: KVStore,
+ L::Target: Logger,
+ SP::Target: SignerProvider + Sized
+{
+ // Cleans up monitor updates for given monitor in range `start..=end`.
+ fn cleanup_in_range(&self, monitor_name: MonitorName, start: u64, end: u64) {
+ for update_id in start..=end {
+ let update_name = UpdateName::from(update_id);
+ if let Err(e) = self.kv_store.remove(
+ CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
+ monitor_name.as_str(),
+ update_name.as_str(),
+ true,
+ ) {
+ log_error!(
+ self.logger,
+ "Failed to clean up channel monitor updates for monitor {}, reason: {}",
+ monitor_name.as_str(),
+ e
+ );
+ };
+ }
+ }
}
/// A struct representing a name for a monitor.
fn do_try_into_outpoint(name: &str) -> Result<OutPoint, io::Error> {
let mut parts = name.splitn(2, '_');
let txid = if let Some(part) = parts.next() {
- Txid::from_hex(part).map_err(|_| {
+ Txid::from_str(part).map_err(|_| {
io::Error::new(io::ErrorKind::InvalidData, "Invalid tx ID in stored key")
})?
} else {
impl From<OutPoint> for MonitorName {
fn from(value: OutPoint) -> Self {
- MonitorName(format!("{}_{}", value.txid.to_hex(), value.index))
+ MonitorName(format!("{}_{}", value.txid.to_string(), value.index))
}
}
#[cfg(test)]
mod tests {
use super::*;
- use crate::chain::chainmonitor::Persist;
use crate::chain::ChannelMonitorUpdateStatus;
use crate::events::{ClosureReason, MessageSendEventsProvider};
use crate::ln::functional_test_utils::*;
use crate::util::test_utils::{self, TestLogger, TestStore};
use crate::{check_added_monitors, check_closed_broadcast};
+ use crate::sync::Arc;
+ use crate::util::test_channel_signer::TestChannelSigner;
const EXPECTED_UPDATES_PER_PAYMENT: u64 = 5;
#[test]
fn monitor_from_outpoint_works() {
let monitor_name1 = MonitorName::from(OutPoint {
- txid: Txid::from_hex("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef").unwrap(),
+ txid: Txid::from_str("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef").unwrap(),
index: 1,
});
assert_eq!(monitor_name1.as_str(), "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef_1");
let monitor_name2 = MonitorName::from(OutPoint {
- txid: Txid::from_hex("f33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeef").unwrap(),
+ txid: Txid::from_str("f33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeef").unwrap(),
index: u16::MAX,
});
assert_eq!(monitor_name2.as_str(), "f33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeeff33dbeef_65535");
#[test]
fn persister_with_real_monitors() {
// This value is used later to limit how many iterations we perform.
- let test_max_pending_updates = 7;
+ let persister_0_max_pending_updates = 7;
+ // Intentionally set this to a smaller value to test a different alignment.
+ let persister_1_max_pending_updates = 3;
let chanmon_cfgs = create_chanmon_cfgs(4);
let persister_0 = MonitorUpdatingPersister {
kv_store: &TestStore::new(false),
logger: &TestLogger::new(),
- maximum_pending_updates: test_max_pending_updates,
+ maximum_pending_updates: persister_0_max_pending_updates,
entropy_source: &chanmon_cfgs[0].keys_manager,
signer_provider: &chanmon_cfgs[0].keys_manager,
};
let persister_1 = MonitorUpdatingPersister {
kv_store: &TestStore::new(false),
logger: &TestLogger::new(),
- // Intentionally set this to a smaller value to test a different alignment.
- maximum_pending_updates: 3,
+ maximum_pending_updates: persister_1_max_pending_updates,
entropy_source: &chanmon_cfgs[1].keys_manager,
signer_provider: &chanmon_cfgs[1].keys_manager,
};
node_cfgs[1].chain_monitor = chain_mon_1;
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-
let broadcaster_0 = &chanmon_cfgs[2].tx_broadcaster;
let broadcaster_1 = &chanmon_cfgs[3].tx_broadcaster;
// Check that the persisted channel data is empty before any channels are
// open.
let mut persisted_chan_data_0 = persister_0.read_all_channel_monitors_with_updates(
- broadcaster_0, &chanmon_cfgs[0].fee_estimator).unwrap();
+ &broadcaster_0, &&chanmon_cfgs[0].fee_estimator).unwrap();
assert_eq!(persisted_chan_data_0.len(), 0);
let mut persisted_chan_data_1 = persister_1.read_all_channel_monitors_with_updates(
- broadcaster_1, &chanmon_cfgs[1].fee_estimator).unwrap();
+ &broadcaster_1, &&chanmon_cfgs[1].fee_estimator).unwrap();
assert_eq!(persisted_chan_data_1.len(), 0);
// Helper to make sure the channel is on the expected update ID.
macro_rules! check_persisted_data {
($expected_update_id: expr) => {
persisted_chan_data_0 = persister_0.read_all_channel_monitors_with_updates(
- broadcaster_0, &chanmon_cfgs[0].fee_estimator).unwrap();
+ &broadcaster_0, &&chanmon_cfgs[0].fee_estimator).unwrap();
// check that we stored only one monitor
assert_eq!(persisted_chan_data_0.len(), 1);
for (_, mon) in persisted_chan_data_0.iter() {
// check that when we read it, we got the right update id
assert_eq!(mon.get_latest_update_id(), $expected_update_id);
- // if the CM is at the correct update id without updates, ensure no updates are stored
+
+ // if the CM is at consolidation threshold, ensure no updates are stored.
let monitor_name = MonitorName::from(mon.get_funding_txo().0);
- let (_, cm_0) = persister_0.read_monitor(&monitor_name).unwrap();
- if cm_0.get_latest_update_id() == $expected_update_id {
+ if mon.get_latest_update_id() % persister_0_max_pending_updates == 0
+ || mon.get_latest_update_id() == CLOSED_CHANNEL_UPDATE_ID {
assert_eq!(
- persister_0.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ persister_0.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str()).unwrap().len(),
0,
"updates stored when they shouldn't be in persister 0"
}
}
persisted_chan_data_1 = persister_1.read_all_channel_monitors_with_updates(
- broadcaster_1, &chanmon_cfgs[1].fee_estimator).unwrap();
+ &broadcaster_1, &&chanmon_cfgs[1].fee_estimator).unwrap();
assert_eq!(persisted_chan_data_1.len(), 1);
for (_, mon) in persisted_chan_data_1.iter() {
assert_eq!(mon.get_latest_update_id(), $expected_update_id);
let monitor_name = MonitorName::from(mon.get_funding_txo().0);
- let (_, cm_1) = persister_1.read_monitor(&monitor_name).unwrap();
- if cm_1.get_latest_update_id() == $expected_update_id {
+ // if the CM is at consolidation threshold, ensure no updates are stored.
+ if mon.get_latest_update_id() % persister_1_max_pending_updates == 0
+ || mon.get_latest_update_id() == CLOSED_CHANNEL_UPDATE_ID {
assert_eq!(
- persister_1.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE,
+ persister_1.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
monitor_name.as_str()).unwrap().len(),
0,
"updates stored when they shouldn't be in persister 1"
// Send a few more payments to try all the alignments of max pending updates with
// updates for a payment sent and received.
let mut sender = 0;
- for i in 3..=test_max_pending_updates * 2 {
+ for i in 3..=persister_0_max_pending_updates * 2 {
let receiver;
if sender == 0 {
sender = 1;
check_persisted_data!(CLOSED_CHANNEL_UPDATE_ID);
// Make sure the expected number of stale updates is present.
- let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(broadcaster_0, &chanmon_cfgs[0].fee_estimator).unwrap();
+ let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(&broadcaster_0, &&chanmon_cfgs[0].fee_estimator).unwrap();
let (_, monitor) = &persisted_chan_data[0];
let monitor_name = MonitorName::from(monitor.get_funding_txo().0);
// The channel should have 0 updates, as it wrote a full monitor and consolidated.
- assert_eq!(persister_0.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str()).unwrap().len(), 0);
- assert_eq!(persister_1.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str()).unwrap().len(), 0);
+ assert_eq!(persister_0.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str()).unwrap().len(), 0);
+ assert_eq!(persister_1.kv_store.list(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str()).unwrap().len(), 0);
}
// Test that if the `MonitorUpdatingPersister`'s can't actually write, trying to persist a
{
let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
let update_map = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap();
- let update_id = update_map.get(&added_monitors[0].0.to_channel_id()).unwrap();
+ let update_id = update_map.get(&added_monitors[0].1.channel_id()).unwrap();
let cmu_map = nodes[1].chain_monitor.monitor_updates.lock().unwrap();
- let cmu = &cmu_map.get(&added_monitors[0].0.to_channel_id()).unwrap()[0];
- let test_txo = OutPoint { txid: Txid::from_hex("8984484a580b825b9972d7adb15050b3ab624ccd731946b3eeddb92f4e7ef6be").unwrap(), index: 0 };
+ let cmu = &cmu_map.get(&added_monitors[0].1.channel_id()).unwrap()[0];
+ let test_txo = OutPoint { txid: Txid::from_str("8984484a580b825b9972d7adb15050b3ab624ccd731946b3eeddb92f4e7ef6be").unwrap(), index: 0 };
let ro_persister = MonitorUpdatingPersister {
kv_store: &TestStore::new(true),
// Check that the persisted channel data is empty before any channels are
// open.
- let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(broadcaster_0, &chanmon_cfgs[0].fee_estimator).unwrap();
+ let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(&broadcaster_0, &&chanmon_cfgs[0].fee_estimator).unwrap();
assert_eq!(persisted_chan_data.len(), 0);
// Create some initial channel
send_payment(&nodes[1], &vec![&nodes[0]][..], 4_000_000);
// Get the monitor and make a fake stale update at update_id=1 (lowest height of an update possible)
- let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(broadcaster_0, &chanmon_cfgs[0].fee_estimator).unwrap();
+ let persisted_chan_data = persister_0.read_all_channel_monitors_with_updates(&broadcaster_0, &&chanmon_cfgs[0].fee_estimator).unwrap();
let (_, monitor) = &persisted_chan_data[0];
let monitor_name = MonitorName::from(monitor.get_funding_txo().0);
persister_0
.kv_store
- .write(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str(), UpdateName::from(1).as_str(), &[0u8; 1])
+ .write(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str(), UpdateName::from(1).as_str(), &[0u8; 1])
.unwrap();
// Do the stale update cleanup
// Confirm the stale update is unreadable/gone
assert!(persister_0
.kv_store
- .read(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str(), UpdateName::from(1).as_str())
+ .read(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str(), UpdateName::from(1).as_str())
.is_err());
// Force close.
// Write an update near u64::MAX
persister_0
.kv_store
- .write(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str(), UpdateName::from(u64::MAX - 1).as_str(), &[0u8; 1])
+ .write(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str(), UpdateName::from(u64::MAX - 1).as_str(), &[0u8; 1])
.unwrap();
// Do the stale update cleanup
// Confirm the stale update is unreadable/gone
assert!(persister_0
.kv_store
- .read(CHANNEL_MONITOR_UPDATE_PERSISTENCE_NAMESPACE, monitor_name.as_str(), UpdateName::from(u64::MAX - 1).as_str())
+ .read(CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE, monitor_name.as_str(), UpdateName::from(u64::MAX - 1).as_str())
.is_err());
}
+
+ fn persist_fn<P: Deref, ChannelSigner: WriteableEcdsaChannelSigner>(_persist: P) -> bool where P::Target: Persist<ChannelSigner> {
+ true
+ }
+
+ #[test]
+ fn kvstore_trait_object_usage() {
+ let store: Arc<dyn KVStore + Send + Sync> = Arc::new(TestStore::new(false));
+ assert!(persist_fn::<_, TestChannelSigner>(store.clone()));
+ }
}
projects / rust-lightning / blobdiff