Clean up wot

packages/client/src/blockedRelayLists.ts

@@ -9,7 +9,7 @@ import {
   removeFromList,
 } from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Router} from "./router.js"
 import {User} from "./user.js"
@@ -21,7 +21,7 @@ import type {IClient} from "./client.js"
  * so it depends on the relay-list collection. Feeds `RelayStats.getQuality` so
  * blocked relays are never selected.
  */
-export class BlockedRelayLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class BlockedRelayLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [BLOCKED_RELAYS]}],

packages/client/src/blossom.ts

@@ -1,6 +1,6 @@
 import {BLOSSOM_SERVERS, asDecryptedEvent, readList} from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import type {IClient} from "./client.js"
 
@@ -8,7 +8,7 @@ import type {IClient} from "./client.js"
  * Blossom server lists (kind 10063), keyed by pubkey. Loaded via the outbox
  * model (the author's write relays), so it depends on the relay-list collection.
  */
-export class BlossomServerLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class BlossomServerLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [BLOSSOM_SERVERS]}],

packages/client/src/clientData.ts

@@ -18,10 +18,10 @@ export class ClientData<T> {
   protected index = writable(new Map<string, T>())
   protected getIndex = getter(this.index)
   protected itemSubscribers: ((key: string, value: Maybe<T>) => void)[] = []
-  public derive: (key?: string, ...args: any[]) => Readable<Maybe<T>>
+  public derived: (key?: string, ...args: any[]) => Readable<Maybe<T>>
 
   constructor(protected readonly ctx: IClient) {
-    this.derive = makeDeriveItem(this.index)
+    this.derived = makeDeriveItem(this.index)
   }
 
   subscribe = this.index.subscribe
@@ -83,7 +83,7 @@ export class ClientData<T> {
 
 /**
  * A `ClientData` collection that knows how to lazily load items by key from the
- * network. Subclasses implement `fetch`; `load`/`forceLoad`/`derive` are derived
+ * network. Subclasses implement `fetch`; `load`/`forceLoad`/`derived` are derived
  * from it (with per-key caching and backoff via `makeLoadItem`).
  */
 export abstract class LoadableData<T> extends ClientData<T> {
@@ -102,6 +102,6 @@ export abstract class LoadableData<T> extends ClientData<T> {
 
     this.load = makeLoadItem(fetch, this.get, options)
     this.forceLoad = makeForceLoadItem(fetch, this.get)
-    this.derive = makeDeriveItem(this.index, this.load)
+    this.derived = makeDeriveItem(this.index, this.load)
   }
 }

packages/client/src/collection.ts

@@ -6,7 +6,7 @@ import type {EventToItem, ItemsByKey, MakeLoadItemOptions} from "@welshman/store
 import type {IClient} from "./client.js"
 import {Stores} from "./stores.js"
 
-export type RepositoryCollectionOptions<T> = {
+export type CollectionOptions<T> = {
   filters: Filter[]
   eventToItem: EventToItem<T>
   getKey: (item: T) => string
@@ -22,7 +22,7 @@ export type RepositoryCollectionOptions<T> = {
  *
  * Like `ClientData`, subclasses depend only on the `IClient` seam.
  */
-export abstract class RepositoryCollection<T> {
+export abstract class Collection<T> {
   byKey: Readable<ItemsByKey<T>>
   all: Readable<T[]>
   subscribe: Readable<ItemsByKey<T>>["subscribe"]
@@ -32,9 +32,6 @@ export abstract class RepositoryCollection<T> {
   values: () => IterableIterator<T>
   load: (key: string, ...args: any[]) => Promise<Maybe<T>>
   forceLoad: (key: string, ...args: any[]) => Promise<Maybe<T>>
-  // Reactive view of a single key that also triggers a load
-  derive: (key?: string, ...args: any[]) => Readable<Maybe<T>>
-  // Reactive view of a single key that does not trigger a load
   derived: (key?: string, ...args: any[]) => Readable<Maybe<T>>
   private getByKey: () => ItemsByKey<T>
 
@@ -42,7 +39,7 @@ export abstract class RepositoryCollection<T> {
 
   constructor(
     protected readonly ctx: IClient,
-    options: RepositoryCollectionOptions<T>,
+    options: CollectionOptions<T>,
   ) {
     const fetch = (key: string, ...args: any[]) => this.fetch(key, ...args)
 
@@ -60,8 +57,7 @@ export abstract class RepositoryCollection<T> {
     this.values = () => this.getByKey().values()
     this.load = makeLoadItem(fetch, this.get, options.loadOptions)
     this.forceLoad = makeForceLoadItem(fetch, this.get)
-    this.derive = makeDeriveItem(this.byKey, this.load)
-    this.derived = makeDeriveItem(this.byKey)
+    this.derived = makeDeriveItem(this.byKey, this.load)
   }
 
   // Convenience views of the current user's own item (replaces the old
@@ -73,7 +69,7 @@ export abstract class RepositoryCollection<T> {
     return pubkey ? this.get(pubkey) : undefined
   }
 
-  deriveForUser = (...args: any[]) => this.derive(this.ctx.user?.pubkey, ...args)
+  deriveForUser = (...args: any[]) => this.derived(this.ctx.user?.pubkey, ...args)
 
   loadForUser = (...args: any[]) => {
     const pubkey = this.ctx.user?.pubkey

packages/client/src/feeds.ts

@@ -26,11 +26,11 @@ export class Feeds {
       case Scope.Self:
         return [$pubkey]
       case Scope.Follows:
-        return this.ctx.use(Wot).getFollows($pubkey)
+        return this.ctx.use(Wot).deriveFollows($pubkey).get()
       case Scope.Network:
-        return this.ctx.use(Wot).getNetwork($pubkey)
+        return this.ctx.use(Wot).deriveNetwork($pubkey).get()
       case Scope.Followers:
-        return this.ctx.use(Wot).getFollowers($pubkey)
+        return this.ctx.use(Wot).deriveFollowers($pubkey).get()
       default:
         return []
     }
@@ -38,11 +38,11 @@ export class Feeds {
 
   getPubkeysForWOTRange = (min: number, max: number): string[] => {
     const pubkeys = []
-    const $maxWot = this.ctx.use(Wot).getMaxWot() ?? 0
+    const $maxWot = this.ctx.use(Wot).max.get() ?? 0
     const thresholdMin = $maxWot * min
     const thresholdMax = $maxWot * max
 
-    for (const [tpk, score] of this.ctx.use(Wot).getWotGraph().entries()) {
+    for (const [tpk, score] of this.ctx.use(Wot).graph.get().entries()) {
       if (score >= thresholdMin && score <= thresholdMax) {
         pubkeys.push(tpk)
       }

packages/client/src/follows.ts

@@ -7,7 +7,7 @@ import {
   removeFromList,
 } from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Thunks} from "./thunk.js"
 import {User} from "./user.js"
@@ -17,7 +17,7 @@ import type {IClient} from "./client.js"
  * Kind-3 follow lists, keyed by pubkey. Loaded via the outbox model (the
  * author's write relays), so it depends on the relay-list collection.
  */
-export class FollowLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class FollowLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [FOLLOWS]}],

packages/client/src/handles.ts

@@ -65,7 +65,7 @@ export class Handles extends LoadableData<Handle> {
     this.loadForPubkey(pubkey, relays)
 
     return deriveDeduplicated(
-      [this.index, this.ctx.use(Profiles).derive(pubkey, relays)],
+      [this.index, this.ctx.use(Profiles).derived(pubkey, relays)],
       ([$handlesByNip05, $profile]) => {
         if (!$profile?.nip05) return undefined
 

packages/client/src/index.ts

@@ -3,7 +3,7 @@ export * from "./policies.js"
 export * from "./network.js"
 export * from "./stores.js"
 export * from "./clientData.js"
-export * from "./repositoryCollection.js"
+export * from "./collection.js"
 export * from "./user.js"
 export * from "./router.js"
 export * from "./relays.js"

packages/client/src/messagingRelayLists.ts

@@ -8,7 +8,7 @@ import {
   removeFromList,
 } from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Router} from "./router.js"
 import {User} from "./user.js"
@@ -20,7 +20,7 @@ import type {IClient} from "./client.js"
  * outbox model (the author's write relays), so it depends on the relay-list
  * collection.
  */
-export class MessagingRelayLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class MessagingRelayLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [MESSAGING_RELAYS]}],

packages/client/src/mutes.ts

@@ -9,7 +9,7 @@ import {
   updateList,
 } from "@welshman/util"
 import type {TrustedEvent, PublishedList} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import type {IClient} from "./client.js"
 import {Network} from "./network.js"
 import {Thunks} from "./thunk.js"
@@ -20,7 +20,7 @@ import {User} from "./user.js"
  * Kind-10000 mute lists, keyed by pubkey. Mute lists carry private entries in
  * encrypted content, so decoding goes through the plaintext cache.
  */
-export class MuteLists extends RepositoryCollection<PublishedList> {
+export class MuteLists extends Collection<PublishedList> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [MUTES]}],

packages/client/src/pins.ts

@@ -7,7 +7,7 @@ import {
   removeFromList,
 } from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Thunks} from "./thunk.js"
 import {User} from "./user.js"
@@ -17,7 +17,7 @@ import type {IClient} from "./client.js"
  * NIP-51 pin lists (kind 10001), keyed by pubkey. Loaded via the outbox model
  * (the author's write relays), so it depends on the relay-list collection.
  */
-export class PinLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class PinLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [PINS]}],

packages/client/src/profiles.ts

@@ -9,7 +9,7 @@ import {
   PROFILE,
 } from "@welshman/util"
 import type {Profile} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Router} from "./router.js"
 import {Thunks} from "./thunk.js"
@@ -19,7 +19,7 @@ import type {IClient} from "./client.js"
  * Kind-0 profiles, keyed by pubkey. Loaded via the outbox model (the author's
  * write relays), resolved through the relay-list collection at fetch time.
  */
-export class Profiles extends RepositoryCollection<ReturnType<typeof readProfile>> {
+export class Profiles extends Collection<ReturnType<typeof readProfile>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [PROFILE]}],
@@ -45,7 +45,7 @@ export class Profiles extends RepositoryCollection<ReturnType<typeof readProfile
 
   deriveDisplay = (pubkey: string | undefined, ...args: any[]) =>
     pubkey
-      ? derived(this.derive(pubkey, ...args), $profile =>
+      ? derived(this.derived(pubkey, ...args), $profile =>
           displayProfile($profile, displayPubkey(pubkey)),
         )
       : readable("")

packages/client/src/relayLists.ts

@@ -12,7 +12,7 @@ import {
   makeEvent,
 } from "@welshman/util"
 import type {TrustedEvent, PublishedList} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Router, addMinimalFallbacks} from "./router.js"
 import {Network} from "./network.js"
 import {User} from "./user.js"
@@ -23,7 +23,7 @@ import type {IClient} from "./client.js"
  * NIP-65 relay lists, keyed by pubkey. This is the routing substrate every other
  * outbox-model load depends on (see `Network.loadUsingOutbox`).
  */
-export class RelayLists extends RepositoryCollection<PublishedList> {
+export class RelayLists extends Collection<PublishedList> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [RELAYS]}],

packages/client/src/search.ts

@@ -82,9 +82,9 @@ export class Searches {
           onSearch: this.searchProfiles,
           getValue: (profile: PublishedProfile) => profile.event.pubkey,
           sortFn: ({score = 1, item}) => {
-            const wotScore = this.ctx.use(Wot).getWotGraph().get(item.event.pubkey) || 0
+            const wotScore = this.ctx.use(Wot).graph.get().get(item.event.pubkey) || 0
 
-            return dec(score) * inc(wotScore / (this.ctx.use(Wot).getMaxWot() || 1))
+            return dec(score) * inc(wotScore / (this.ctx.use(Wot).max.get() || 1))
           },
           fuseOptions: {
             keys: [

packages/client/src/searchRelayLists.ts

@@ -8,7 +8,7 @@ import {
   removeFromList,
 } from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
-import {RepositoryCollection} from "./repositoryCollection.js"
+import {Collection} from "./collection.js"
 import {Network} from "./network.js"
 import {Router} from "./router.js"
 import {User} from "./user.js"
@@ -20,7 +20,7 @@ import type {IClient} from "./client.js"
  * outbox model (the author's write relays), so it depends on the relay-list
  * collection.
  */
-export class SearchRelayLists extends RepositoryCollection<ReturnType<typeof readList>> {
+export class SearchRelayLists extends Collection<ReturnType<typeof readList>> {
   constructor(ctx: IClient) {
     super(ctx, {
       filters: [{kinds: [SEARCH_RELAYS]}],

packages/client/src/topics.ts

@@ -2,6 +2,7 @@ import {readable} from "svelte/store"
 import type {Readable} from "svelte/store"
 import {on} from "@welshman/lib"
 import {getTopicTagValues} from "@welshman/util"
+import type {RepositoryUpdate} from "@welshman/net"
 import {deriveItems} from "@welshman/store"
 import type {IClient} from "./client.js"
 
@@ -38,7 +39,7 @@ export class Topics {
     }
 
     this.byName = readable(topicsByName, set =>
-      on(ctx.repository, "update", ({added}: {added: {tags: string[][]}[]}) => {
+      on(ctx.repository, "update", ({added}: RepositoryUpdate) => {
         let dirty = false
 
         for (const event of added) {

packages/client/src/wot.ts

@@ -1,132 +1,177 @@
-import {derived, writable} from "svelte/store"
-import type {Readable, Writable} from "svelte/store"
+import {readable, derived} from "svelte/store"
 import {max, throttle, addToMapKey, inc, dec} from "@welshman/lib"
 import {getListTags, getPubkeyTagValues} from "@welshman/util"
-import {throttled, getter} from "@welshman/store"
+import type {List} from "@welshman/util"
+import {withGetter} from "@welshman/store"
+import type {ReadableWithGetter} from "@welshman/store"
 import type {IClient} from "./client.js"
 import {FollowLists} from "./follows.js"
 import {MuteLists} from "./mutes.js"
 
+const listPubkeys = (list: List | undefined) => getPubkeyTagValues(getListTags(list))
+
 /**
  * Web-of-trust scoring derived from follow and mute lists. The trust graph is
  * built from the perspective of the client's user (or, with no user, the union
  * of every known follow list) and updated reactively as lists change.
+ *
+ * Every query is exposed as a reactive store — the aggregate `*ByPubkey`/`graph`/
+ * `max` fields and the parameterized `derive*` methods. All of them are wrapped
+ * in `withGetter`, so a synchronous snapshot is just `<store>.get()` /
+ * `derive*(...).get()`.
  */
 export class Wot {
-  followersByPubkey: Readable<Map<string, Set<string>>>
-  mutersByPubkey: Readable<Map<string, Set<string>>>
-  wotGraph: Writable<Map<string, number>>
-  maxWot: Readable<number | undefined>
-
-  private getFollowersByPubkeyStore: () => Map<string, Set<string>>
-  private getMutersByPubkeyStore: () => Map<string, Set<string>>
-  private getWotGraphStore: () => Map<string, number>
-  private getMaxWotStore: () => number | undefined
+  followersByPubkey: ReadableWithGetter<Map<string, Set<string>>>
+  mutersByPubkey: ReadableWithGetter<Map<string, Set<string>>>
+  graph: ReadableWithGetter<Map<string, number>>
+  max: ReadableWithGetter<number | undefined>
 
   constructor(readonly ctx: IClient) {
-    const followLists = this.ctx.use(FollowLists)
-    const muteLists = this.ctx.use(MuteLists)
+    this.followersByPubkey = withGetter(
+      readable(new Map<string, Set<string>>(), set =>
+        this.ctx.use(FollowLists).subscribe(
+          throttle(1000, lists => {
+            const $followersByPubkey = new Map<string, Set<string>>()
 
-    this.followersByPubkey = derived(throttled(1000, followLists.all), lists => {
-      const $followersByPubkey = new Map<string, Set<string>>()
+            for (const list of lists.values()) {
+              for (const pubkey of getPubkeyTagValues(getListTags(list))) {
+                addToMapKey($followersByPubkey, pubkey, list.event.pubkey)
+              }
+            }
 
-      for (const list of lists) {
-        for (const pubkey of getPubkeyTagValues(getListTags(list))) {
-          addToMapKey($followersByPubkey, pubkey, list.event.pubkey)
-        }
-      }
+            set($followersByPubkey)
+          }),
+        ),
+      ),
+    )
 
-      return $followersByPubkey
-    })
+    this.mutersByPubkey = withGetter(
+      readable(new Map<string, Set<string>>(), set =>
+        this.ctx.use(MuteLists).subscribe(
+          throttle(1000, lists => {
+            const $mutersByPubkey = new Map<string, Set<string>>()
 
-    this.mutersByPubkey = derived(throttled(1000, muteLists.all), lists => {
-      const $mutersByPubkey = new Map<string, Set<string>>()
+            for (const list of lists.values()) {
+              for (const pubkey of getPubkeyTagValues(getListTags(list))) {
+                addToMapKey($mutersByPubkey, pubkey, list.event.pubkey)
+              }
+            }
 
-      for (const list of lists) {
-        for (const pubkey of getPubkeyTagValues(getListTags(list))) {
-          addToMapKey($mutersByPubkey, pubkey, list.event.pubkey)
-        }
-      }
+            set($mutersByPubkey)
+          }),
+        ),
+      ),
+    )
 
-      return $mutersByPubkey
-    })
+    this.graph = withGetter(
+      readable(new Map<string, number>(), set => {
+        const rebuild = throttle(1000, () => {
+          const followLists = this.ctx.use(FollowLists)
+          const muteLists = this.ctx.use(MuteLists)
+          const $pubkey = this.ctx.user?.pubkey
+          const $graph = new Map<string, number>()
+          const $follows = $pubkey
+            ? listPubkeys(followLists.get($pubkey))
+            : Array.from(followLists.keys())
 
-    this.wotGraph = writable(new Map<string, number>())
+          for (const follow of $follows) {
+            for (const pubkey of listPubkeys(followLists.get(follow))) {
+              $graph.set(pubkey, inc($graph.get(pubkey)))
+            }
 
-    this.maxWot = derived(this.wotGraph, $g => max(Array.from($g.values())))
+            for (const pubkey of listPubkeys(muteLists.get(follow))) {
+              $graph.set(pubkey, dec($graph.get(pubkey)))
+            }
+          }
 
-    this.getFollowersByPubkeyStore = getter(this.followersByPubkey)
-    this.getMutersByPubkeyStore = getter(this.mutersByPubkey)
-    this.getWotGraphStore = getter(this.wotGraph)
-    this.getMaxWotStore = getter(this.maxWot)
+          set($graph)
+        })
 
-    followLists.subscribe(this.buildGraph)
-    muteLists.subscribe(this.buildGraph)
+        const unsubscribers = [
+          this.ctx.use(FollowLists).subscribe(rebuild),
+          this.ctx.use(MuteLists).subscribe(rebuild),
+        ]
+
+        return () => unsubscribers.forEach(unsubscribe => unsubscribe())
+      }),
+    )
+
+    this.max = withGetter(derived(this.graph, $g => max(Array.from($g.values()))))
   }
 
-  getFollows = (pubkey: string) =>
-    getPubkeyTagValues(getListTags(this.ctx.use(FollowLists).get(pubkey)))
+  deriveFollows = (pubkey: string) =>
+    withGetter(derived(this.ctx.use(FollowLists), $lists => listPubkeys($lists.get(pubkey))))
 
-  getMutes = (pubkey: string) =>
-    getPubkeyTagValues(getListTags(this.ctx.use(MuteLists).get(pubkey)))
+  deriveMutes = (pubkey: string) =>
+    withGetter(derived(this.ctx.use(MuteLists), $lists => listPubkeys($lists.get(pubkey))))
 
-  getNetwork = (pubkey: string) => {
-    const pubkeys = new Set(this.getFollows(pubkey))
-    const network = new Set<string>()
+  deriveNetwork = (pubkey: string) =>
+    withGetter(
+      derived(this.ctx.use(FollowLists), $lists => {
+        const pubkeys = new Set(listPubkeys($lists.get(pubkey)))
+        const network = new Set<string>()
 
-    for (const follow of pubkeys) {
-      for (const tpk of this.getFollows(follow)) {
-        if (!pubkeys.has(tpk)) {
-          network.add(tpk)
+        for (const follow of pubkeys) {
+          for (const tpk of listPubkeys($lists.get(follow))) {
+            if (!pubkeys.has(tpk)) {
+              network.add(tpk)
+            }
+          }
         }
-      }
-    }
 
-    return Array.from(network)
-  }
+        return Array.from(network)
+      }),
+    )
 
-  getFollowersByPubkey = () => this.getFollowersByPubkeyStore()
+  deriveFollowers = (pubkey: string) =>
+    withGetter(derived(this.followersByPubkey, $followers => Array.from($followers.get(pubkey) || [])))
 
-  getMutersByPubkey = () => this.getMutersByPubkeyStore()
+  deriveMuters = (pubkey: string) =>
+    withGetter(derived(this.mutersByPubkey, $muters => Array.from($muters.get(pubkey) || [])))
 
-  getFollowers = (pubkey: string) => Array.from(this.getFollowersByPubkey().get(pubkey) || [])
+  deriveFollowsWhoFollow = (pubkey: string, target: string) =>
+    withGetter(
+      derived(this.ctx.use(FollowLists), $lists =>
+        listPubkeys($lists.get(pubkey)).filter(other =>
+          listPubkeys($lists.get(other)).includes(target),
+        ),
+      ),
+    )
 
-  getMuters = (pubkey: string) => Array.from(this.getMutersByPubkey().get(pubkey) || [])
+  deriveFollowsWhoMute = (pubkey: string, target: string) =>
+    withGetter(
+      derived([this.ctx.use(FollowLists), this.ctx.use(MuteLists)], ([$follows, $mutes]) =>
+        listPubkeys($follows.get(pubkey)).filter(other =>
+          listPubkeys($mutes.get(other)).includes(target),
+        ),
+      ),
+    )
 
-  getFollowsWhoFollow = (pubkey: string, target: string) =>
-    this.getFollows(pubkey).filter(other => this.getFollows(other).includes(target))
+  deriveWotScore = (pubkey: string, target: string) =>
+    withGetter(
+      derived(
+        [
+          this.ctx.use(FollowLists),
+          this.ctx.use(MuteLists),
+          this.followersByPubkey,
+          this.mutersByPubkey,
+        ],
+        ([$follows, $mutes, $followers, $muters]) => {
+          let follows: string[]
+          let mutes: string[]
 
-  getFollowsWhoMute = (pubkey: string, target: string) =>
-    this.getFollows(pubkey).filter(other => this.getMutes(other).includes(target))
+          if (pubkey) {
+            const theirFollows = listPubkeys($follows.get(pubkey))
 
-  getWotGraph = () => this.getWotGraphStore()
+            follows = theirFollows.filter(other => listPubkeys($follows.get(other)).includes(target))
+            mutes = theirFollows.filter(other => listPubkeys($mutes.get(other)).includes(target))
+          } else {
+            follows = Array.from($followers.get(target) || [])
+            mutes = Array.from($muters.get(target) || [])
+          }
 
-  getMaxWot = () => this.getMaxWotStore()
-
-  buildGraph = throttle(1000, () => {
-    const $pubkey = this.ctx.user?.pubkey
-    const $graph = new Map<string, number>()
-    const $follows = $pubkey
-      ? this.getFollows($pubkey)
-      : Array.from(this.ctx.use(FollowLists).keys())
-
-    for (const follow of $follows) {
-      for (const pubkey of this.getFollows(follow)) {
-        $graph.set(pubkey, inc($graph.get(pubkey)))
-      }
-
-      for (const pubkey of this.getMutes(follow)) {
-        $graph.set(pubkey, dec($graph.get(pubkey)))
-      }
-    }
-
-    this.wotGraph.set($graph)
-  })
-
-  getWotScore = (pubkey: string, target: string) => {
-    const follows = pubkey ? this.getFollowsWhoFollow(pubkey, target) : this.getFollowers(target)
-    const mutes = pubkey ? this.getFollowsWhoMute(pubkey, target) : this.getMuters(target)
-
-    return follows.length - mutes.length
-  }
+          return follows.length - mutes.length
+        },
+      ),
+    )
 }

packages/client/src/zappers.ts

@@ -71,7 +71,7 @@ export class Zappers extends LoadableData<Zapper> {
     this.loadForPubkey(pubkey, relays)
 
     return deriveDeduplicated(
-      [this.index, this.ctx.use(Profiles).derive(pubkey, relays)],
+      [this.index, this.ctx.use(Profiles).derived(pubkey, relays)],
       ([$zappersByLnurl, $profile]) =>
         $profile?.lnurl ? $zappersByLnurl.get($profile.lnurl) : undefined,
     )
@@ -116,7 +116,7 @@ export class Zappers extends LoadableData<Zapper> {
 
     const stores: Readable<any>[] = [
       this.index,
-      ...splits.map(split => profiles.derive(split.pubkey)),
+      ...splits.map(split => profiles.derived(split.pubkey)),
     ]
 
     return deriveDeduplicatedByValue(stores, (values: any[]) => {