From ca6b61f747d394dadd3bbc5ca428da3490c69584 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Fri, 16 Aug 2024 13:42:59 -0700
Subject: ecash wip

---
 bun.lockb                                         | Bin 154608 -> 157495 bytes
 package.json                                      |   3 +-
 src/lib/nostr.js                                  |   2 +-
 src/routes/(app)/+layout.server.js                |   4 ++
 src/routes/(app)/[username]/generate/+page.svelte |   2 +-
 src/routes/(app)/[username]/generate/+server.js   |  11 ----
 src/routes/(app)/[username]/getcash/+page.svelte  |  66 ++++++++++++++++++++++
 src/routes/(app)/[username]/update/+server.js     |  11 ++++
 8 files changed, 85 insertions(+), 14 deletions(-)
 delete mode 100644 src/routes/(app)/[username]/generate/+server.js
 create mode 100644 src/routes/(app)/[username]/getcash/+page.svelte
 create mode 100644 src/routes/(app)/[username]/update/+server.js

diff --git a/bun.lockb b/bun.lockb
index 23f34c1f..6867a30f 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index e5d1e8ba..55421c59 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
   "dependencies": {
     "@capacitor/android": "^6.0.0",
     "@capacitor/cli": "^6.0.0",
-    "@capacitor/core": "^6.0.0"
+    "@capacitor/core": "^6.0.0",
+    "@cashu/cashu-ts": "^1.0.1"
   }
 }
diff --git a/src/lib/nostr.js b/src/lib/nostr.js
index 5209418a..c94958b4 100644
--- a/src/lib/nostr.js
+++ b/src/lib/nostr.js
@@ -106,7 +106,7 @@ export let getPrivateKey = async (user) => {
 
 export let getMnemonic = async (user) => {
   let { cipher, username, salt } = user;
-  let mnemonic, key, seed, entropy, child, privkey;
+  let mnemonic, key, entropy, child, privkey;
 
   entropy = new Uint8Array(
     await crypto.subtle.decrypt(
diff --git a/src/routes/(app)/+layout.server.js b/src/routes/(app)/+layout.server.js
index 50d51584..eabd32fc 100644
--- a/src/routes/(app)/+layout.server.js
+++ b/src/routes/(app)/+layout.server.js
@@ -38,6 +38,10 @@ export async function load({ cookies, request, url, params }) {
     redirect(303, `/${user.username}/generate`);
   }
 
+  if (user && !user.cpub && !pathname.includes("getcash")) {
+    redirect(303, `/${user.username}/getcash`);
+  }
+
   try {
     rate = await get("/rate");
     rates = await get("/rates");
diff --git a/src/routes/(app)/[username]/generate/+page.svelte b/src/routes/(app)/[username]/generate/+page.svelte
index 767b7545..63d53db7 100644
--- a/src/routes/(app)/[username]/generate/+page.svelte
+++ b/src/routes/(app)/[username]/generate/+page.svelte
@@ -28,7 +28,7 @@
 
     try {
       user.pin = $pin;
-      await post(`/${user.username}/generate`, user);
+      await post(`/${user.username}/update`, user);
       goto($loginRedirect || `/${user.username}`, { invalidateAll: true });
     } catch (e) {
       $pin = "";
diff --git a/src/routes/(app)/[username]/generate/+server.js b/src/routes/(app)/[username]/generate/+server.js
deleted file mode 100644
index 3e3a9358..00000000
--- a/src/routes/(app)/[username]/generate/+server.js
+++ /dev/null
@@ -1,11 +0,0 @@
-import { auth, post } from "$lib/utils";
-import { error, json } from "@sveltejs/kit";
-
-export async function POST({ cookies, request }) {
-  try {
-    let body = await request.json();
-    return json(await post(`/user`, body, auth(cookies)));
-  } catch (e) {
-    error(500, e.message);
-  }
-}
diff --git a/src/routes/(app)/[username]/getcash/+page.svelte b/src/routes/(app)/[username]/getcash/+page.svelte
new file mode 100644
index 00000000..11491e5b
--- /dev/null
+++ b/src/routes/(app)/[username]/getcash/+page.svelte
@@ -0,0 +1,66 @@
+<script>
+  import { fail, post, wait } from "$lib/utils";
+  import { onMount } from "svelte";
+  import { goto, invalidate } from "$app/navigation";
+  import Pin from "$comp/Pin.svelte";
+  import Spinner from "$comp/Spinner.svelte";
+  import { loginRedirect, pin, password } from "$lib/store";
+  import { getMnemonic } from "$lib/nostr";
+  import { browser } from "$app/environment";
+  import { CashuMint, CashuWallet } from "@cashu/cashu-ts";
+  export let data;
+  let { user } = data;
+
+  let loaded;
+  let gen = async () => {
+    if (!browser) return;
+
+    if (user.cpub) {
+      goto($loginRedirect || `/${user.username}`, { invalidateAll: true });
+      return;
+    }
+
+    try {
+      let mnemonic = await getMnemonic(user);
+
+      const mintUrl = "http://localhost:3338";
+      const mint = new CashuMint(mintUrl);
+      const wallet = new CashuWallet(mint, { mnemonicOrSeed: mnemonic });
+
+
+      console.log(mnemonic);
+      console.log(wallet)
+    } catch (e) {
+      console.log("error generating", e);
+    }
+
+    try {
+      user.pin = $pin;
+      await post(`/${user.username}/update`, user);
+      goto($loginRedirect || `/${user.username}`, { invalidateAll: true });
+    } catch (e) {
+      $pin = "";
+      if (e.message?.startsWith("Pin")) {
+        fail("Wrong pin, try again");
+      } else {
+        fail("Failed to issue e-cash");
+        goto("/");
+      }
+    }
+  };
+
+  onMount(() => browser && setTimeout(() => (loaded = true) && gen(), 50));
+
+  $: $pin?.length === 6 && gen(user);
+</script>
+
+{#if loaded && user?.haspin && $pin?.length !== 6}
+  <Pin />
+{/if}
+
+<div class="container px-4 text-center mx-auto">
+  <h1 class="text-3xl md:text-4xl font-bold mb-6">Issuing e-cash</h1>
+  <div class="flex w-full py-5 max-w-[200px] mx-auto bg-black rounded-2xl">
+    <Spinner />
+  </div>
+</div>
diff --git a/src/routes/(app)/[username]/update/+server.js b/src/routes/(app)/[username]/update/+server.js
new file mode 100644
index 00000000..3e3a9358
--- /dev/null
+++ b/src/routes/(app)/[username]/update/+server.js
@@ -0,0 +1,11 @@
+import { auth, post } from "$lib/utils";
+import { error, json } from "@sveltejs/kit";
+
+export async function POST({ cookies, request }) {
+  try {
+    let body = await request.json();
+    return json(await post(`/user`, body, auth(cookies)));
+  } catch (e) {
+    error(500, e.message);
+  }
+}
-- 
cgit v1.2.3