From 36e967d2c124c93734f80cd94ce0a2efb0d3d21f Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Thu, 15 Feb 2024 10:57:58 -0800
Subject: persist key

---
 src/lib/nostr.js | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/nostr.js b/src/lib/nostr.js
index 4ddfad98..5de08199 100644
--- a/src/lib/nostr.js
+++ b/src/lib/nostr.js
@@ -1,3 +1,4 @@
+import { browser } from "$app/environment";
 import { hexToUint8Array } from "uint8array-extras";
 import { get } from "svelte/store";
 import { Buffer } from "buffer";
@@ -85,15 +86,22 @@ function typedArrayToBuffer(array) {
 }
 
 export let getPrivateKey = async (user) => {
+  let k;
+  if (browser) {
+    k = localStorage.getItem("nsec");
+    if (k) {
+        return nip19.decode(k).data;
+    }
+  }
+
   let { nsec, username, salt } = user;
-  let privkey = hexToUint8Array(
-    privateKeyFromSeedWords(await getMnemonic(user))
-  );
 
   if (nsec) {
-    let decrypted = nip49decrypt(nsec, await getPassword());
-    return decrypted;
-  } else return privkey;
+    k = nip49decrypt(nsec, await getPassword());
+  } else k = hexToUint8Array(privateKeyFromSeedWords(await getMnemonic(user)));
+
+  localStorage.setItem("nsec", nip19.nsecEncode(k));
+  return k;
 };
 
 export let getMnemonic = async (user) => {
-- 
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