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Clean up persistence constants #4105

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c08ea1d
Rename namespace validity constants to be more concise
TheBlueMatt Sep 22, 2025
1660c72
Rename persistence namespace/key constants to be more concise
TheBlueMatt Sep 22, 2025
98e6a8e
Drop verbose `*_SECONDARY_NAMESPACE` consts that are always ""
TheBlueMatt Sep 22, 2025
5ffee02
Remove unnecessary variable indirection in `persist.rs`
TheBlueMatt Sep 22, 2025
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121 changes: 59 additions & 62 deletions lightning-background-processor/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -53,11 +53,10 @@ use lightning::sign::{
};
use lightning::util::logger::Logger;
use lightning::util::persist::{
KVStore, KVStoreSync, KVStoreSyncWrapper, CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE, CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_KEY, NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE, SCORER_PERSISTENCE_KEY,
SCORER_PERSISTENCE_PRIMARY_NAMESPACE, SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
KVStore, KVStoreSync, KVStoreSyncWrapper, CHANNEL_MANAGER_KEY,
CHANNEL_MANAGER_PRIMARY_NAMESPACE, CHANNEL_MANAGER_SECONDARY_NAMESPACE, NETWORK_GRAPH_KEY,
NETWORK_GRAPH_PRIMARY_NAMESPACE, NETWORK_GRAPH_SECONDARY_NAMESPACE, SCORER_KEY,
SCORER_PRIMARY_NAMESPACE, SCORER_SECONDARY_NAMESPACE,
};
use lightning::util::sweep::{OutputSweeper, OutputSweeperSync};
#[cfg(feature = "std")]
Expand Down Expand Up @@ -944,9 +943,9 @@ where
log_trace!(logger, "Persisting scorer after update");
if let Err(e) = kv_store
.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
)
.await
Expand Down Expand Up @@ -1080,9 +1079,9 @@ where
let fut = async {
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@valentinewallace valentinewallace Nov 14, 2025

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Here and below, we could do:

diff --git a/lightning-background-processor/src/lib.rs b/lightning-background-processor/src/lib.rs
index 7b4f29896..af851f5f6 100644
--- a/lightning-background-processor/src/lib.rs
+++ b/lightning-background-processor/src/lib.rs
@@ -1068,15 +1068,9 @@ where
                if channel_manager.get_cm().get_and_clear_needs_persistence() {
                        log_trace!(logger, "Persisting ChannelManager...");

+                       let mgr = channel_manager.get_cm().encode();
                        let fut = async {
-                               kv_store
-                                       .write(
-                                               CHANNEL_MANAGER_NAMESPACE,
-                                               "",
-                                               CHANNEL_MANAGER_KEY,
-                                               channel_manager.get_cm().encode(),
-                                       )
-                                       .await
+                               kv_store.write(CHANNEL_MANAGER_NAMESPACE, "", CHANNEL_MANAGER_KEY, mgr).await
                        };
                        // TODO: Once our MSRV is 1.68 we should be able to drop the Box
                        let mut fut = Box::pin(fut);

kv_store
.write(
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_KEY,
channel_manager.get_cm().encode(),
)
.await
Expand Down Expand Up @@ -1143,9 +1142,9 @@ where
let fut = async {
if let Err(e) = kv_store
.write(
NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_KEY,
NETWORK_GRAPH_PRIMARY_NAMESPACE,
NETWORK_GRAPH_SECONDARY_NAMESPACE,
NETWORK_GRAPH_KEY,
network_graph.encode(),
)
.await
Expand Down Expand Up @@ -1185,9 +1184,9 @@ where
let fut = async {
if let Err(e) = kv_store
.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
)
.await
Expand Down Expand Up @@ -1301,28 +1300,28 @@ where
// ChannelMonitor update(s) persisted without a corresponding ChannelManager update.
kv_store
.write(
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_KEY,
channel_manager.get_cm().encode(),
)
.await?;
if let Some(ref scorer) = scorer {
kv_store
.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
)
.await?;
}
if let Some(network_graph) = gossip_sync.network_graph() {
kv_store
.write(
NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_KEY,
NETWORK_GRAPH_PRIMARY_NAMESPACE,
NETWORK_GRAPH_SECONDARY_NAMESPACE,
NETWORK_GRAPH_KEY,
network_graph.encode(),
)
.await?;
Expand Down Expand Up @@ -1527,9 +1526,9 @@ impl BackgroundProcessor {
if update_scorer(scorer, &event, duration_since_epoch) {
log_trace!(logger, "Persisting scorer after update");
if let Err(e) = kv_store.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
) {
log_error!(logger, "Error: Failed to persist scorer, check your disk and permissions {}", e)
Expand Down Expand Up @@ -1627,9 +1626,9 @@ impl BackgroundProcessor {
if channel_manager.get_cm().get_and_clear_needs_persistence() {
log_trace!(logger, "Persisting ChannelManager...");
(kv_store.write(
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_KEY,
channel_manager.get_cm().encode(),
))?;
log_trace!(logger, "Done persisting ChannelManager.");
Expand Down Expand Up @@ -1666,9 +1665,9 @@ impl BackgroundProcessor {
duration_since_epoch.as_secs(),
);
if let Err(e) = kv_store.write(
NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_KEY,
NETWORK_GRAPH_PRIMARY_NAMESPACE,
NETWORK_GRAPH_SECONDARY_NAMESPACE,
NETWORK_GRAPH_KEY,
network_graph.encode(),
) {
log_error!(logger, "Error: Failed to persist network graph, check your disk and permissions {}", e);
Expand All @@ -1695,9 +1694,9 @@ impl BackgroundProcessor {
log_trace!(logger, "Calling time_passed and persisting scorer");
scorer.write_lock().time_passed(duration_since_epoch);
if let Err(e) = kv_store.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
) {
log_error!(logger, "Error: Failed to persist scorer, check your disk and permissions {}", e);
Expand Down Expand Up @@ -1735,24 +1734,24 @@ impl BackgroundProcessor {
// some races where users quit while channel updates were in-flight, with
// ChannelMonitor update(s) persisted without a corresponding ChannelManager update.
kv_store.write(
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_SECONDARY_NAMESPACE,
CHANNEL_MANAGER_KEY,
channel_manager.get_cm().encode(),
)?;
if let Some(ref scorer) = scorer {
kv_store.write(
SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY,
SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
SCORER_KEY,
scorer.encode(),
)?;
}
if let Some(network_graph) = gossip_sync.network_graph() {
kv_store.write(
NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
NETWORK_GRAPH_PERSISTENCE_KEY,
NETWORK_GRAPH_PRIMARY_NAMESPACE,
NETWORK_GRAPH_SECONDARY_NAMESPACE,
NETWORK_GRAPH_KEY,
network_graph.encode(),
)?;
}
Expand Down Expand Up @@ -1844,12 +1843,10 @@ mod tests {
use lightning::types::payment::PaymentHash;
use lightning::util::config::UserConfig;
use lightning::util::persist::{
KVStoreSync, KVStoreSyncWrapper, CHANNEL_MANAGER_PERSISTENCE_KEY,
CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE, NETWORK_GRAPH_PERSISTENCE_KEY,
NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE, NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE,
SCORER_PERSISTENCE_KEY, SCORER_PERSISTENCE_PRIMARY_NAMESPACE,
SCORER_PERSISTENCE_SECONDARY_NAMESPACE,
KVStoreSync, KVStoreSyncWrapper, CHANNEL_MANAGER_KEY, CHANNEL_MANAGER_PRIMARY_NAMESPACE,
CHANNEL_MANAGER_SECONDARY_NAMESPACE, NETWORK_GRAPH_KEY, NETWORK_GRAPH_PRIMARY_NAMESPACE,
NETWORK_GRAPH_SECONDARY_NAMESPACE, SCORER_KEY, SCORER_PRIMARY_NAMESPACE,
SCORER_SECONDARY_NAMESPACE,
};
use lightning::util::ser::Writeable;
use lightning::util::sweep::{
Expand Down Expand Up @@ -2104,18 +2101,18 @@ mod tests {
fn write(
&self, primary_namespace: &str, secondary_namespace: &str, key: &str, buf: Vec<u8>,
) -> lightning::io::Result<()> {
if primary_namespace == CHANNEL_MANAGER_PERSISTENCE_PRIMARY_NAMESPACE
&& secondary_namespace == CHANNEL_MANAGER_PERSISTENCE_SECONDARY_NAMESPACE
&& key == CHANNEL_MANAGER_PERSISTENCE_KEY
if primary_namespace == CHANNEL_MANAGER_PRIMARY_NAMESPACE
&& secondary_namespace == CHANNEL_MANAGER_SECONDARY_NAMESPACE
&& key == CHANNEL_MANAGER_KEY
{
if let Some((error, message)) = self.manager_error {
return Err(std::io::Error::new(error, message).into());
}
}

if primary_namespace == NETWORK_GRAPH_PERSISTENCE_PRIMARY_NAMESPACE
&& secondary_namespace == NETWORK_GRAPH_PERSISTENCE_SECONDARY_NAMESPACE
&& key == NETWORK_GRAPH_PERSISTENCE_KEY
if primary_namespace == NETWORK_GRAPH_PRIMARY_NAMESPACE
&& secondary_namespace == NETWORK_GRAPH_SECONDARY_NAMESPACE
&& key == NETWORK_GRAPH_KEY
{
if let Some(sender) = &self.graph_persistence_notifier {
match sender.send(()) {
Expand All @@ -2131,9 +2128,9 @@ mod tests {
}
}

if primary_namespace == SCORER_PERSISTENCE_PRIMARY_NAMESPACE
&& secondary_namespace == SCORER_PERSISTENCE_SECONDARY_NAMESPACE
&& key == SCORER_PERSISTENCE_KEY
if primary_namespace == SCORER_PRIMARY_NAMESPACE
&& secondary_namespace == SCORER_SECONDARY_NAMESPACE
&& key == SCORER_KEY
{
if let Some((error, message)) = self.scorer_error {
return Err(std::io::Error::new(error, message).into());
Expand Down
65 changes: 16 additions & 49 deletions lightning/src/ln/chanmon_update_fail_tests.rs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,8 @@ use crate::ln::types::ChannelId;
use crate::sign::NodeSigner;
use crate::util::native_async::FutureQueue;
use crate::util::persist::{
MonitorName, MonitorUpdatingPersisterAsync, CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
MonitorName, MonitorUpdatingPersisterAsync, CHANNEL_MONITOR_PRIMARY_NAMESPACE,
CHANNEL_MONITOR_SECONDARY_NAMESPACE, MONITOR_UPDATE_PRIMARY_NAMESPACE,
};
use crate::util::ser::{ReadableArgs, Writeable};
use crate::util::test_channel_signer::TestChannelSigner;
Expand Down Expand Up @@ -4940,8 +4939,8 @@ fn native_async_persist() {
let funding_txo = OutPoint { txid: funding_tx.compute_txid(), index: 0 };
let key = MonitorName::V1Channel(funding_txo).to_string();
let pending_writes = kv_store.list_pending_async_writes(
CHANNEL_MONITOR_PERSISTENCE_PRIMARY_NAMESPACE,
CHANNEL_MONITOR_PERSISTENCE_SECONDARY_NAMESPACE,
CHANNEL_MONITOR_PRIMARY_NAMESPACE,
CHANNEL_MONITOR_SECONDARY_NAMESPACE,
&key,
);
assert_eq!(pending_writes.len(), 1);
Expand Down Expand Up @@ -4971,37 +4970,21 @@ fn native_async_persist() {
persist_futures.poll_futures();
assert_eq!(async_chain_monitor.release_pending_monitor_events().len(), 0);

let pending_writes = kv_store.list_pending_async_writes(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"1",
);
let pending_writes =
kv_store.list_pending_async_writes(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "1");
assert_eq!(pending_writes.len(), 1);
let pending_writes = kv_store.list_pending_async_writes(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"2",
);
let pending_writes =
kv_store.list_pending_async_writes(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "2");
assert_eq!(pending_writes.len(), 1);

kv_store.complete_async_writes_through(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"1",
usize::MAX,
);
kv_store.complete_async_writes_through(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "1", usize::MAX);
persist_futures.poll_futures();
// While the `ChainMonitor` could return a `MonitorEvent::Completed` here, it currently
// doesn't. If that ever changes we should validate that the `Completed` event has the correct
// `monitor_update_id` (1).
assert!(async_chain_monitor.release_pending_monitor_events().is_empty());

kv_store.complete_async_writes_through(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"2",
usize::MAX,
);
kv_store.complete_async_writes_through(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "2", usize::MAX);
persist_futures.poll_futures();
let completed_persist = async_chain_monitor.release_pending_monitor_events();
assert_eq!(completed_persist.len(), 1);
Expand All @@ -5020,34 +5003,18 @@ fn native_async_persist() {
persist_futures.poll_futures();
assert_eq!(async_chain_monitor.release_pending_monitor_events().len(), 0);

let pending_writes = kv_store.list_pending_async_writes(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"3",
);
let pending_writes =
kv_store.list_pending_async_writes(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "3");
assert_eq!(pending_writes.len(), 1);
let pending_writes = kv_store.list_pending_async_writes(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"4",
);
let pending_writes =
kv_store.list_pending_async_writes(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "4");
assert_eq!(pending_writes.len(), 1);

kv_store.complete_async_writes_through(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"4",
usize::MAX,
);
kv_store.complete_async_writes_through(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "4", usize::MAX);
persist_futures.poll_futures();
assert_eq!(async_chain_monitor.release_pending_monitor_events().len(), 0);

kv_store.complete_async_writes_through(
CHANNEL_MONITOR_UPDATE_PERSISTENCE_PRIMARY_NAMESPACE,
&key,
"3",
usize::MAX,
);
kv_store.complete_async_writes_through(MONITOR_UPDATE_PRIMARY_NAMESPACE, &key, "3", usize::MAX);
persist_futures.poll_futures();
let completed_persist = async_chain_monitor.release_pending_monitor_events();
assert_eq!(completed_persist.len(), 1);
Expand Down
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