Work on login screen

src/app/base.ts

@@ -1,6 +1,15 @@
+import {derived} from "svelte/store"
+import {memoize} from '@welshman/lib'
 import type {SignedEvent} from "@welshman/util"
-import {Repository, Relay} from "@welshman/util"
+import {Repository, createEvent, Relay} from "@welshman/util"
+import {getter} from "@welshman/store"
 import {NetworkContext, Tracker} from "@welshman/net"
+import type {ISigner} from "@welshman/signer"
+import {Nip46Broker, Nip46Signer, Nip07Signer, Nip01Signer} from '@welshman/signer'
+import {synced} from '@lib/util'
+import type {Session} from "@app/types"
+
+export const INDEXER_RELAYS = ["wss://purplepag.es", "wss://relay.damus.io"]
 
 export const DUFFLEPUD_URL = "https://dufflepud.onrender.com"
 
@@ -10,29 +19,55 @@ export const relay = new Relay(repository)
 
 export const tracker = new Tracker()
 
+export const pk = synced<string | null>('pk', null)
+
+export const sessions = synced<Record<string, Session>>('sessions', {})
+
+export const session = derived([pk, sessions], ([$pk, $sessions]) => $pk ? $sessions[$pk] : null)
+
+export const getSession = getter(session)
+
+export const makeSigner = memoize((session: Session) => {
+  switch (session?.method) {
+    case "extension":
+      return new Nip07Signer()
+    case "privkey":
+      return new Nip01Signer(session.secret!)
+    case "connect":
+      return new Nip46Signer(Nip46Broker.get(session.pubkey, session.secret!, session.handler!))
+    default:
+      return null
+  }
+})
+
+export const signer = derived(session, makeSigner)
+
+export const getSigner = getter(signer)
+
 const seenChallenges = new Set()
 
 Object.assign(NetworkContext, {
   onEvent: (url: string, event: SignedEvent) => tracker.track(event.id, url),
   isDeleted: (url: string, event: SignedEvent) => repository.isDeleted(event),
-  // onAuth: async (url, challenge) => {
-  //   if (seenChallenges.has(challenge)) {
-  //     return
-  //   }
+  onAuth: async (url: string, challenge: string) => {
+    if (seenChallenges.has(challenge)) {
+      return
+    }
 
-  //   seenChallenges.add(challenge)
+    seenChallenges.add(challenge)
 
-  //   const event = await signer.get().signAsUser(
-  //     createEvent(22242, {
-  //       tags: [
-  //         ["relay", url],
-  //         ["challenge", challenge],
-  //       ],
-  //     }),
-  //   )
+    const event = await getSigner()!.sign(
+      createEvent(22242, {
+        tags: [
+          ["relay", url],
+          ["challenge", challenge],
+        ],
+      }),
+    )
 
-  //   NetworkContext.pool.get(url).send(["AUTH", event])
+    NetworkContext.pool.get(url).send(["AUTH", event])
 
-  //   return event
-  // },
+    return event
+  },
 })
+