From a97c7a00ebb414b7ff7731e6bf3640f2f476aae3 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Thu, 16 Feb 2023 22:43:27 -0800
Subject: messages

---
 src/lib/nostr.js  | 11 ++++++++---
 src/lib/socket.js | 27 ++-------------------------
 src/lib/store.js  |  3 ++-
 3 files changed, 12 insertions(+), 29 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/nostr.js b/src/lib/nostr.js
index 13251856..d72f48ef 100644
--- a/src/lib/nostr.js
+++ b/src/lib/nostr.js
@@ -5,7 +5,7 @@ import { Buffer } from 'buffer';
 import { bech32m } from 'bech32';
 import { bip32, fail, wait, post, stretch } from '$lib/utils';
 import { calculateId, signId } from 'nostr';
-import { password as pw, passwordPrompt, pin, loginRedirect } from '$lib/store';
+import { decrypted, password as pw, passwordPrompt, pin, loginRedirect } from '$lib/store';
 import { goto, invalidate } from '$app/navigation';
 
 const { encode, decode, fromWords, toWords } = bech32m;
@@ -58,8 +58,10 @@ export let encrypt = async ({ message, recipient, user }) => {
 };
 
 export let decrypt = async ({ event, user }) => {
+	let cache = get(decrypted);
 	try {
-		let { content, pubkey } = event;
+		let { content, pubkey, id } = event;
+		if (cache[id]) return cache[id];
 		if (pubkey === user.pubkey) pubkey = event.tags[0][1];
 		pubkey = Uint8Array.from(Buffer.from('02' + pubkey, 'hex'));
 
@@ -78,7 +80,10 @@ export let decrypt = async ({ event, user }) => {
 
 		let message = await crypto.subtle.decrypt({ name: 'AES-CBC', iv }, key, cipher);
 
-		return Buffer.from(message).toString('utf8');
+		cache[id] = Buffer.from(message).toString('utf8');
+		decrypted.set(cache);
+
+		return cache[id];
 	} catch (e) {
 		// console.log(e);
 	}
diff --git a/src/lib/socket.js b/src/lib/socket.js
index ce3cbe4b..aef8a513 100644
--- a/src/lib/socket.js
+++ b/src/lib/socket.js
@@ -1,23 +1,11 @@
 import { get } from 'svelte/store';
-import {
-	events as $events,
-	invoice,
-	request,
-	newPayment,
-	last,
-	rate,
-	payments,
-	user
-} from '$lib/store';
+import { event, invoice, request, newPayment, last, rate, payments, user } from '$lib/store';
 import { success, sat } from '$lib/utils';
 import { PUBLIC_SOCKET } from '$env/static/public';
 import { invalidate } from '$app/navigation';
 import { browser } from '$app/environment';
 
 let socket, token;
-let le = browser && localStorage.getItem('events');
-let events = le && le !== 'undefined' ? JSON.parse(le) : {};
-let q = Object.keys(events);
 
 export const auth = () => token && send('login', token) && send('heartbeat');
 
@@ -30,23 +18,12 @@ export const messages = (data) => ({
 	id() {
 		last.set(Date.now());
 	},
-
 	invoice() {
 		invoice.set(data);
 	},
-
 	event() {
-		data.seen = Math.round(Date.now() / 1000);
-		events[data.id] = data;
-		q.push(data.id);
-		$events.set(events);
-		while (q.length > 10000) delete events[q.shift()];
-		localStorage.setItem(
-			'events',
-			JSON.stringify(q.slice(-100).reduce((a, b) => (a = { ...a, [b]: events[b] }), {}))
-		);
+		event.set(data);
 	},
-
 	rate() {
 		rate.set(data);
 	},
diff --git a/src/lib/store.js b/src/lib/store.js
index 93ac3d47..6853386c 100644
--- a/src/lib/store.js
+++ b/src/lib/store.js
@@ -36,11 +36,12 @@ export const animatedRate = writable(0);
 export const avatar = writable();
 export const banner = writable();
 export const colorTheme = writable('from-primary to-gradient');
+export const event = writable();
 export const events = writable({});
 export const invoice = writable();
 export const last = writable();
 export const loginRedirect = writable();
-export const messages = persistLocal('messages', {});
+export const decrypted = persistLocal('decrypted', {});
 export const newPayment = persistLocal('newPayment');
 export const password = persistLocal('password');
 export const passwordPrompt = writable();
-- 
cgit v1.2.3