From 319cc2e6af11b66c17317087ceb110bb6b5d5d90 Mon Sep 17 00:00:00 2001
From: Danny Morabito <danny@arx-ccn.com>
Date: Thu, 20 Feb 2025 17:54:13 +0100
Subject: [PATCH] automatically restore from seed if a seed exists

---
 utils.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/utils.ts b/utils.ts
index a42341e..1ec0095 100644
--- a/utils.ts
+++ b/utils.ts
@@ -40,9 +40,13 @@ export function randomTimeUpTo2DaysInThePast() {
 
 export async function getCCNPubkey(): Promise<string> {
   const ccnPubPath = await getEveFilePath("ccn.pub");
+  const seedPath = await getEveFilePath("ccn.seed");
   const doWeHaveKey = await exists(ccnPubPath);
   if (doWeHaveKey) return Deno.readTextFileSync(ccnPubPath);
-  const ccnSeed = Deno.env.get("CCN_SEED") || nip06.generateSeedWords();
+  const ccnSeed = Deno.env.get("CCN_SEED") ||
+    ((await exists(seedPath))
+      ? Deno.readTextFileSync(seedPath)
+      : nip06.generateSeedWords());
   const ccnPrivateKey = nip06.privateKeyFromSeedWords(ccnSeed);
   const ccnPublicKey = nostrTools.getPublicKey(ccnPrivateKey);
   const encryptedPrivateKey = encryptUint8Array(ccnPrivateKey, encryptionKey);
@@ -52,7 +56,7 @@ export async function getCCNPubkey(): Promise<string> {
     await getEveFilePath("ccn.priv"),
     encodeBase64(encryptedPrivateKey),
   );
-  Deno.writeTextFileSync(await getEveFilePath("ccn.seed"), ccnSeed);
+  Deno.writeTextFileSync(seedPath, ccnSeed);
 
   return ccnPublicKey;
 }