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only store room add/remove events for the current user

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This commit is contained in:
Jon Staab 2026-08-31 09:07:06 -07:00
parent 2fb2b59a6c
commit a14f599fcb
1 changed files with 16 additions and 8 deletions
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24
src/app/storage.ts
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@ -32,6 +32,8 @@ import {
ROOM_DELETE, ROOM_DELETE,
ROOM_REMOVE_MEMBER, ROOM_REMOVE_MEMBER,
ROOMS, ROOMS,
hexTags,
tagValues,
verifiedSymbol, verifiedSymbol,
} from "@welshman/util" } from "@welshman/util"
import type {Handle, TrustedEvent} from "@welshman/util" import type {Handle, TrustedEvent} from "@welshman/util"
@ -145,13 +147,16 @@ const kinds = {
], ],
} }
// Space and room events mean nothing apart from the relay they came from — welshman keys them
// per relay, and only counts room state the relay itself signed.
const isRelayScoped = (event: TrustedEvent) => const isRelayScoped = (event: TrustedEvent) =>
kinds.space.includes(event.kind) || kinds.room.includes(event.kind) kinds.space.includes(event.kind) || kinds.room.includes(event.kind)
const shouldPersistEvent = (event: TrustedEvent) => const isMembershipChange = (event: TrustedEvent) =>
kinds.meta.includes(event.kind) || kinds.alert.includes(event.kind) || isRelayScoped(event) event.kind === ROOM_ADD_MEMBER || event.kind === ROOM_REMOVE_MEMBER
const shouldPersistEvent = (event: TrustedEvent, pubkey: string) =>
isMembershipChange(event)
? tagValues(hexTags("p"), event.tags).includes(pubkey)
: kinds.meta.includes(event.kind) || kinds.alert.includes(event.kind) || isRelayScoped(event)
type EventItem = {id: string; event: TrustedEvent; relays: string[]} type EventItem = {id: string; event: TrustedEvent; relays: string[]}
@ -170,11 +175,14 @@ class Storage {
private timeouts: ReturnType<typeof setTimeout>[] = [] private timeouts: ReturnType<typeof setTimeout>[] = []
private stopped = false private stopped = false
private readonly pubkey: string
constructor(private readonly app: IApp) { constructor(private readonly app: IApp) {
// Every identity used to share one database; drop it rather than leave it on disk. // Every identity used to share one database; drop it rather than leave it on disk.
void deleteDB("flotilla-9gl") void deleteDB("flotilla-9gl")
this.db = new IDB({name: `flotilla-9gl-${User.require(app).pubkey}`, stores: TABLES}) this.pubkey = User.require(app).pubkey
this.db = new IDB({name: `flotilla-9gl-${this.pubkey}`, stores: TABLES})
this.ready = this.start() this.ready = this.start()
} }
@ -238,7 +246,7 @@ class Storage {
// Rows written before provenance was stored inline hold a bare event // Rows written before provenance was stored inline hold a bare event
if ( if (
item.event && item.event &&
shouldPersistEvent(item.event) && shouldPersistEvent(item.event, this.pubkey) &&
(!isRelayScoped(item.event) || item.relays.length > 0) (!isRelayScoped(item.event) || item.relays.length > 0)
) { ) {
item.event[verifiedSymbol] = true item.event[verifiedSymbol] = true
@ -281,7 +289,7 @@ class Storage {
for (const update of updates) { for (const update of updates) {
for (const event of update.added) { for (const event of update.added) {
if (shouldPersistEvent(event)) { if (shouldPersistEvent(event, this.pubkey)) {
add.push(event) add.push(event)
remove.delete(event.id) remove.delete(event.id)
} }
@ -323,7 +331,7 @@ class Storage {
// A brand-new event is tracked before it's published, so it isn't queryable here — // A brand-new event is tracked before it's published, so it isn't queryable here —
// syncEvents persists its provenance along with the event itself. This pass only // syncEvents persists its provenance along with the event itself. This pass only
// records relay changes for events we already have. // records relay changes for events we already have.
if (event && shouldPersistEvent(event)) { if (event && shouldPersistEvent(event, this.pubkey)) {
items.push({id, event, relays: Array.from(this.app.tracker.getRelays(id))}) items.push({id, event, relays: Array.from(this.app.tracker.getRelays(id))})
} }
} }