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very fast at protocol indexer with flexible filtering, xrpc queries, cursor-backed event stream, and more, built on fjall
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use jacquard_common::types::string::Did;use jacquard_common::{CowStr, IntoStatic};use jacquard_repo::commit::Commit as AtpCommit;#[cfg(feature = "indexer")]use serde::{Deserialize, Serialize};use smol_str::ToSmolStr;
use crate::db::types::DbTid;use crate::resolver::MiniDoc;
#[cfg(any(feature = "indexer_stream", feature = "relay", feature = "jetstream"))]pub(crate) mod event;pub(crate) mod v2;pub(crate) mod v4;pub(crate) mod v7;
#[cfg(any(feature = "indexer_stream", feature = "relay", feature = "jetstream"))]pub(crate) use event::*;pub(crate) use v7::*;
impl<'c> From<AtpCommit<'c>> for Commit { fn from(value: AtpCommit<'c>) -> Self { Self { data: value.data, prev: value.prev, rev: DbTid::from(&value.rev), sig: value.sig, version: value.version, } }}
impl Commit { pub(crate) fn into_atp_commit<'i>(self, did: Did<'i>) -> Option<AtpCommit<'i>> { // version < 0 is a sentinel used in v2 migration for repos with no commit data if self.version < 0 { return None; } Some(AtpCommit { did, rev: self.rev.to_tid(), data: self.data, prev: self.prev, sig: self.sig, version: self.version, }) }}
impl Display for RepoStatus { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { RepoStatus::Synced => write!(f, "synced"), RepoStatus::Error(e) => write!(f, "error({e})"), RepoStatus::Deactivated => write!(f, "deactivated"), RepoStatus::Takendown => write!(f, "takendown"), RepoStatus::Suspended => write!(f, "suspended"), RepoStatus::Deleted => write!(f, "deleted"), RepoStatus::Desynchronized => write!(f, "desynchronized"), RepoStatus::Throttled => write!(f, "throttled"), } }}
#[cfg(feature = "indexer")]mod indexer { use super::*;
impl RepoMetadata { pub fn backfilling(index_id: u64) -> Self { Self { index_id, tracked: true, } } }
impl ResyncState { pub fn next_backoff(retry_count: u32) -> i64 { // exponential backoff: 1m, 2m, 4m, 8m... up to 1h let base = 60; let cap = 3600; let mult = 2u64.pow(retry_count.min(10)) as i64; let delay = (base * mult).min(cap);
// add +/- 10% jitter let jitter = (rand::random::<f64>() * 0.2 - 0.1) * delay as f64; let delay = (delay as f64 + jitter) as i64;
chrono::Utc::now().timestamp() + delay } }
#[cfg(feature = "indexer_stream")] #[derive(Clone, Debug)] pub(crate) enum BroadcastEvent { Persisted(#[allow(dead_code)] u64), /// a durable record event with optional inline block bytes for live tailing. /// /// used to avoid re-reading `events`/`blocks` from the database when tailing. LiveRecord(std::sync::Arc<super::LiveRecordEvent>), Ephemeral(Box<MarshallableEvt<'static>>), }
#[derive(Debug, PartialEq, Eq, Clone, Copy)] pub(crate) enum GaugeState { Synced, Pending, Resync(Option<ResyncErrorKind>), }
impl GaugeState { pub fn is_resync(&self) -> bool { matches!(self, GaugeState::Resync(_)) } }}
#[cfg(feature = "indexer")]pub(crate) use indexer::*;
impl<'i> RepoState<'i> { pub fn backfilling() -> Self { Self { active: true, status: RepoStatus::Desynchronized, root: None, last_updated_at: chrono::Utc::now().timestamp(), handle: None, pds: None, signing_key: None, last_message_time: None, last_identity_time: None, last_account_time: None, } }
#[cfg(any(test, feature = "relay"))] pub fn synced() -> Self { Self { status: RepoStatus::Synced, ..Self::backfilling() } }
// advances the high-water mark to event_ms if it's newer than what we've seen pub fn advance_message_time(&mut self, event_ms: i64) { self.last_message_time = Some(event_ms.max(self.last_message_time.unwrap_or(0))); }
pub fn should_process_identity_time(&self, event_ms: i64) -> bool { self.last_identity_time.is_none_or(|t| event_ms > t) }
pub fn advance_identity_time(&mut self, event_ms: i64) { self.last_identity_time = Some(event_ms.max(self.last_identity_time.unwrap_or(0))); self.advance_message_time(event_ms); }
pub fn should_process_account_time(&self, event_ms: i64) -> bool { self.last_account_time.is_none_or(|t| event_ms > t) }
pub fn advance_account_time(&mut self, event_ms: i64) { self.last_account_time = Some(event_ms.max(self.last_account_time.unwrap_or(0))); self.advance_message_time(event_ms); }
// updates last_updated_at to now pub fn touch(&mut self) { self.last_updated_at = chrono::Utc::now().timestamp(); }
pub fn update_from_doc(&mut self, doc: MiniDoc) -> bool { let new_signing_key = doc.key.map(From::from); let changed = self.pds.as_deref() != Some(doc.pds.as_str()) || self.handle != doc.handle || self.signing_key != new_signing_key; self.pds = Some(CowStr::Owned(doc.pds.to_smolstr())); self.handle = doc.handle; self.signing_key = new_signing_key; changed }}
impl<'i> IntoStatic for RepoState<'i> { type Output = RepoState<'static>;
fn into_static(self) -> Self::Output { RepoState { active: self.active, status: self.status, root: self.root, last_updated_at: self.last_updated_at, handle: self.handle.map(IntoStatic::into_static), pds: self.pds.map(IntoStatic::into_static), signing_key: self.signing_key.map(IntoStatic::into_static), last_message_time: self.last_message_time, last_identity_time: self.last_identity_time, last_account_time: self.last_account_time, } }}
#[cfg(feature = "indexer")]#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]pub(crate) enum ResyncErrorKind { Ratelimited, Transport, Generic,}
#[cfg(feature = "indexer")]#[derive(Debug, Clone, Serialize, Deserialize)]pub(crate) enum ResyncState { Error { kind: ResyncErrorKind, retry_count: u32, next_retry: i64, // unix timestamp }, Gone { status: RepoStatus, // deactivated, takendown, suspended },}
#[cfg(test)]mod tests { use super::*; use crate::db::types::DidKey; use jacquard_common::types::string::Handle; use miette::IntoDiagnostic;
#[test] fn identity_dedupe_does_not_depend_on_commit_clock() { let mut state = RepoState::backfilling();
state.advance_message_time(2_000);
assert!(state.should_process_identity_time(1_500)); state.advance_identity_time(1_500); assert_eq!(state.last_message_time, Some(2_000)); assert_eq!(state.last_identity_time, Some(1_500));
assert!(!state.should_process_identity_time(1_500)); assert!(!state.should_process_identity_time(1_499)); assert!(state.should_process_identity_time(1_501)); }
#[test] fn account_dedupe_does_not_depend_on_commit_clock() { let mut state = RepoState::backfilling();
state.advance_message_time(3_000);
assert!(state.should_process_account_time(2_500)); state.advance_account_time(2_500); assert_eq!(state.last_message_time, Some(3_000)); assert_eq!(state.last_account_time, Some(2_500));
assert!(!state.should_process_account_time(2_500)); assert!(!state.should_process_account_time(2_499)); assert!(state.should_process_account_time(2_501)); }
#[test] fn synced_state_is_active_without_backfilling_status() { let state = RepoState::synced(); assert!(state.active); assert_eq!(state.status, RepoStatus::Synced); assert!(state.root.is_none()); }
#[test] fn into_static_preserves_per_event_clocks() -> miette::Result<()> { let mut state = RepoState::backfilling(); state.last_message_time = Some(10); state.last_identity_time = Some(20); state.last_account_time = Some(30); state.handle = Some(Handle::new("alice.test").into_diagnostic()?); state.pds = Some(CowStr::Borrowed("https://pds.example")); state.signing_key = Some(DidKey::from_did_key( "did:key:zQ3shokFTS3brHcDQrn82RUDfCZESWL1ZdCEJwekUDPQiYBme", )?);
let static_state = state.into_static();
assert_eq!(static_state.last_message_time, Some(10)); assert_eq!(static_state.last_identity_time, Some(20)); assert_eq!(static_state.last_account_time, Some(30));
Ok(()) }}