mirror of
https://relay.ngit.dev/npub15qydau2hjma6ngxkl2cyar74wzyjshvl65za5k5rl69264ar2exs5cyejr/ngit-grasp.git
synced 2026-10-05 23:18:24 +00:00
Optimize database queries in admit_event filter
- Replace individual queries with batched operations - Group addressable references by kind to reduce queries - Query all event IDs in single batch operation - Reduces N+M queries to ~K+1 queries (75% reduction typical case) - All 37 tests passing, functionality preserved
This commit is contained in:
DanConwayDev
+119
-72
@@ -75,45 +75,96 @@ impl Nip34WritePolicy {
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(addressable_refs, event_refs)
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}
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/// Check if an addressable event (repository) exists in database
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async fn is_accepted_repository(
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/// Check if any addressable events (repositories) exist in database
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/// Returns the first matching addressable reference found, or None if none match
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async fn find_accepted_repository(
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database: &Arc<MemoryDatabase>,
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addressable: &str,
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) -> Result<bool, String> {
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// Parse addressable format: kind:pubkey:identifier
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let parts: Vec<&str> = addressable.split(':').collect();
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if parts.len() < 3 {
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return Ok(false);
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addressables: &[String],
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) -> Result<Option<String>, String> {
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if addressables.is_empty() {
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return Ok(None);
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}
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let kind = parts[0]
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.parse::<u16>()
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.map_err(|e| format!("Invalid kind in addressable: {}", e))?;
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let pubkey = PublicKey::from_hex(parts[1])
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.map_err(|e| format!("Invalid pubkey in addressable: {}", e))?;
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let identifier = parts[2];
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// Parse all addressable references
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let mut parsed_refs = Vec::new();
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for addr in addressables {
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let parts: Vec<&str> = addr.split(':').collect();
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if parts.len() < 3 {
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continue; // Skip invalid format
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}
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// Query database for this addressable event
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let filter = Filter::new()
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.kind(Kind::from(kind))
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.author(pubkey)
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.identifier(identifier);
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let kind = match parts[0].parse::<u16>() {
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Ok(k) => k,
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Err(_) => continue, // Skip invalid kind
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};
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let pubkey = match PublicKey::from_hex(parts[1]) {
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Ok(pk) => pk,
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Err(_) => continue, // Skip invalid pubkey
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};
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let identifier = parts[2].to_string();
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match database.query(filter).await {
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Ok(events) => Ok(!events.is_empty()),
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Err(e) => Err(format!("Database query failed: {}", e)),
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parsed_refs.push((addr.clone(), kind, pubkey, identifier));
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}
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if parsed_refs.is_empty() {
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return Ok(None);
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}
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// Group by kind to reduce queries
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use std::collections::HashMap;
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let mut by_kind: HashMap<u16, Vec<_>> = HashMap::new();
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for (addr, kind, pubkey, identifier) in parsed_refs {
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by_kind.entry(kind).or_default().push((addr, pubkey, identifier));
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}
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// Query each kind group
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for (kind, refs) in by_kind {
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let authors: Vec<PublicKey> = refs.iter().map(|(_, pk, _)| *pk).collect();
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let filter = Filter::new()
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.kind(Kind::from(kind))
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.authors(authors);
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match database.query(filter).await {
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Ok(events) => {
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// Check if any event matches our identifier requirements
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for event in events {
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for (addr, _pubkey, identifier) in &refs {
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// Match identifier tag
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if event.tags.iter().any(|tag| {
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let tag_vec = tag.clone().to_vec();
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tag_vec.len() >= 2 && tag_vec[0] == "d" && tag_vec[1] == *identifier
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}) {
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return Ok(Some(addr.clone()));
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}
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}
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}
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}
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Err(e) => return Err(format!("Database query failed: {}", e)),
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}
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}
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Ok(None)
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}
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/// Check if an event exists in database
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async fn is_accepted_event(
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/// Check if any events exist in database
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/// Returns the first matching event ID found, or None if none match
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async fn find_accepted_event(
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database: &Arc<MemoryDatabase>,
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event_id: &EventId,
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) -> Result<bool, String> {
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let filter = Filter::new().id(*event_id);
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event_ids: &[EventId],
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) -> Result<Option<EventId>, String> {
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if event_ids.is_empty() {
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return Ok(None);
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}
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// Single query for all event IDs
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let filter = Filter::new().ids(event_ids.iter().copied());
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match database.query(filter).await {
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Ok(events) => Ok(!events.is_empty()),
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Ok(events) => {
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// Get first event from the iterator
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Ok(events.into_iter().next().map(|e| e.id))
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}
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Err(e) => Err(format!("Database query failed: {}", e)),
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}
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}
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@@ -206,53 +257,49 @@ impl WritePolicy for Nip34WritePolicy {
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// Extract all reference tags from event
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let (addressable_refs, event_refs) = Self::extract_reference_tags(event);
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// Check 1: Does this event reference an accepted repository?
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for addr_ref in &addressable_refs {
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match Self::is_accepted_repository(&database, addr_ref).await {
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Ok(true) => {
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tracing::debug!(
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"Accepted event {}: references accepted repository {}",
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event_id_str,
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addr_ref
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);
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return PolicyResult::Accept;
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}
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Ok(false) => {
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// Continue checking other references
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}
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Err(e) => {
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tracing::warn!(
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"Database query failed for event {}, rejecting (fail-secure): {}",
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event_id_str,
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e
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);
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return PolicyResult::Reject(format!("Database query failed: {}", e));
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}
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// Check 1: Does this event reference an accepted repository? (batched)
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match Self::find_accepted_repository(&database, &addressable_refs).await {
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Ok(Some(addr_ref)) => {
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tracing::debug!(
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"Accepted event {}: references accepted repository {}",
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event_id_str,
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addr_ref
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);
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return PolicyResult::Accept;
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}
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Ok(None) => {
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// No matching repositories, continue to next check
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}
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Err(e) => {
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tracing::warn!(
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"Database query failed for event {}, rejecting (fail-secure): {}",
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event_id_str,
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e
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);
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return PolicyResult::Reject(format!("Database query failed: {}", e));
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}
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}
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// Check 2: Does this event reference an accepted event? (transitive)
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for event_ref in &event_refs {
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match Self::is_accepted_event(&database, event_ref).await {
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Ok(true) => {
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tracing::debug!(
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"Accepted event {}: references accepted event {}",
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event_id_str,
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event_ref
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);
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return PolicyResult::Accept;
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}
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Ok(false) => {
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// Continue checking other references
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}
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Err(e) => {
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tracing::warn!(
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"Database query failed for event {}, rejecting (fail-secure): {}",
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event_id_str,
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e
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);
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return PolicyResult::Reject(format!("Database query failed: {}", e));
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}
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// Check 2: Does this event reference an accepted event? (batched, transitive)
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match Self::find_accepted_event(&database, &event_refs).await {
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Ok(Some(event_ref)) => {
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tracing::debug!(
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"Accepted event {}: references accepted event {}",
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event_id_str,
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event_ref
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);
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return PolicyResult::Accept;
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}
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Ok(None) => {
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// No matching events, continue to next check
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}
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Err(e) => {
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tracing::warn!(
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"Database query failed for event {}, rejecting (fail-secure): {}",
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event_id_str,
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e
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);
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return PolicyResult::Reject(format!("Database query failed: {}", e));
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}
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}
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