From 9a3361750eba08dc2fac48f3f71a119dbad8e09d Mon Sep 17 00:00:00 2001
From: Thomas Mathews <thomas.c.mathews@gmail.com>
Date: Thu, 29 Dec 2022 19:37:43 -0800
Subject: [PATCH] Remove unknown methods

---
 index.html     |   1 -
 js/model.js    |  29 --------------
 js/unknowns.js | 106 -------------------------------------------------
 3 files changed, 136 deletions(-)
 delete mode 100644 js/unknowns.js

diff --git a/index.html b/index.html
index e55fc3f..bb58f38 100644
--- a/index.html
+++ b/index.html
@@ -24,7 +24,6 @@
 		<script defer src="js/model.js?v=1"></script>
 		<script defer src="js/contacts.js?v=1"></script>
 		<script defer src="js/event.js?v=1"></script>
-		<script defer src="js/unknowns.js?v=1"></script>
 		<script defer src="js/lib.js?v=1"></script>
 		<script defer src="js/main.js?v=1"></script>
 	</head>
diff --git a/js/model.js b/js/model.js
index b0626d8..877f43e 100644
--- a/js/model.js
+++ b/js/model.js
@@ -203,35 +203,6 @@ function model_remove_reaction(model, evid, update_view) {
 		view_timeline_update_reaction(model, target_ev);
 }
 
-/* model_event_has_unknown_ids checks the event if there are any referenced keys with
- * unknown user profiles in the provided scope.
- */
-function model_event_has_unknown_ids(damus, ev) {
-	// make sure this event itself is removed from unknowns
-	if (ev.kind === 0)
-		delete damus.unknown_pks[ev.pubkey]
-	delete damus.unknown_ids[ev.id]
-	let got_some = false
-	for (const tag of ev.tags) {
-		if (tag.length >= 2) {
-			if (tag[0] === "p") {
-				const pk = tag[1]
-				if (!model_has_profile(damus, pk) && is_valid_id(pk)) {
-					got_some = true
-					damus.unknown_pks[pk] = make_unk(tag[2], ev)
-				}
-			} else if (tag[0] === "e") {
-				const evid = tag[1]
-				if (!model_has_event(damus, evid) && is_valid_id(evid)) {
-					got_some = true
-					damus.unknown_ids[evid] = make_unk(tag[2], ev)
-				}
-			}
-		}
-	}
-	return got_some
-}
-
 function model_is_event_deleted(model, evid) {
 	// we've already know it's deleted
 	if (model.deleted[evid])
diff --git a/js/unknowns.js b/js/unknowns.js
deleted file mode 100644
index 44dd8d2..0000000
--- a/js/unknowns.js
+++ /dev/null
@@ -1,106 +0,0 @@
-function make_unk(hint, ev) {
-	const attempts = 0
-	const parent_created = ev.created_at
-	if (hint && hint !== "")
-		return {attempts, hint: hint.trim().toLowerCase(), parent_created}
-	return {attempts, parent_created}
-}
-
-function gather_unknown_hints(damus, pks, evids)
-{
-	let relays = new Set()
-	for (const pk of pks) {
-		const unk = damus.unknown_pks[pk]
-		if (unk && unk.hint && unk.hint !== "")
-			relays.add(unk.hint)
-	}
-	for (const evid of evids) {
-		const unk = damus.unknown_ids[evid]
-		if (unk && unk.hint && unk.hint !== "")
-			relays.add(unk.hint)
-	}
-	return Array.from(relays)
-}
-
-function get_non_expired_unknowns(unks, type)
-{
-	const MAX_ATTEMPTS = 2
-
-	function sort_parent_created(a_id, b_id) {
-		const a = unks[a_id]
-		const b = unks[b_id]
-		return b.parent_created - a.parent_created
-	}
-
-	let new_expired = 0
-	const ids = Object.keys(unks).sort(sort_parent_created).reduce((ids, unk_id) => {
-		if (ids.length >= 255)
-			return ids
-
-		const unk = unks[unk_id]
-		if (unk.attempts >= MAX_ATTEMPTS) {
-			if (!unk.expired) {
-				unk.expired = true
-				new_expired++
-			}
-			return ids
-		}
-
-		unk.attempts++
-
-		ids.push(unk_id)
-		return ids
-	}, [])
-
-	if (new_expired !== 0)
-		log_debug("Gave up looking for %d %s", new_expired, type)
-
-	return ids
-}
-
-function fetch_unknown_events(damus) {
-	let filters = []
-	const pks = get_non_expired_unknowns(damus.unknown_pks, 'profiles')
-	const evids = get_non_expired_unknowns(damus.unknown_ids, 'events')
-	const relays = gather_unknown_hints(damus, pks, evids)
-	for (const relay of relays) {
-		if (!damus.pool.has(relay)) {
-			log_debug("adding %s to relays to fetch unknown events", relay)
-			damus.pool.add(relay)
-		}
-	}
-	if (evids.length !== 0) {
-		const unk_kinds = STANDARD_KINDS; 
-		filters.push({ids: evids, kinds: unk_kinds})
-		filters.push({"#e": evids, kinds: [KIND_NOTE, KIND_CHATROOM], limit: 100})
-	}
-	if (pks.length !== 0)
-		filters.push({authors: pks, kinds:[0]})
-	if (filters.length === 0)
-		return;
-	log_debug("fetching unknowns", filters)
-	damus.pool.subscribe('unknowns', filters)
-}
-
-function schedule_unknown_refetch(damus) {
-	// spams our CPU :(
-	return;
-	const INTERVAL = 5000
-	if (!damus.unknown_timer) {
-		log_debug("fetching unknown events now and in %d seconds", INTERVAL / 1000)
-		damus.unknown_timer = setTimeout(() => {
-			fetch_unknown_events(damus)
-			setTimeout(() => {
-				delete damus.unknown_timer
-				if (damus.but_wait_theres_more > 0) {
-					damus.but_wait_theres_more = 0
-					schedule_unknown_refetch(damus)
-				}
-			}, INTERVAL)
-		}, INTERVAL)
-		fetch_unknown_events(damus)
-	} else {
-		damus.but_wait_theres_more++
-	}
-}
-