From 1e8567796d1f28fa8c47664c7d1e34a57d820aca Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Mon, 23 Jun 2025 08:49:49 -0700
Subject: user lnurl

---
 .../(app)/[username]/(profile)/+layout.svelte      | 28 +++++++++---
 src/routes/(app)/ln/[lnurl]/+page.server.ts        | 51 +++++++++++++++-------
 .../pay/[username]/[...amount]/+page.server.ts     |  8 ++--
 .../(app)/send/bitcoin/[address]/+page.svelte      |  1 -
 4 files changed, 59 insertions(+), 29 deletions(-)

(limited to 'src/routes/(app)')

diff --git a/src/routes/(app)/[username]/(profile)/+layout.svelte b/src/routes/(app)/[username]/(profile)/+layout.svelte
index afd94ab0..f3e018ee 100644
--- a/src/routes/(app)/[username]/(profile)/+layout.svelte
+++ b/src/routes/(app)/[username]/(profile)/+layout.svelte
@@ -16,12 +16,13 @@
   } from "$lib/utils";
   import { t } from "$lib/translations";
   import { sign, send } from "$lib/nostr";
-  import { bech32m } from "@scure/base";
+  import { bech32 } from "@scure/base";
   import { page } from "$app/stores";
+  import { PUBLIC_DOMAIN } from "$env/static/public";
 
   let { data, children } = $props();
 
-  let { encode, toWords } = bech32m;
+  let { encode, toWords } = bech32;
 
   let {
     events,
@@ -107,6 +108,17 @@
       : `${stripped}@${$page.url.host}`,
   );
   let profile = $derived(`${$page.url.host}/${subject.anon ? npub : stripped}`);
+  let lnurl = $derived(
+    encode(
+      "lnurl",
+      toWords(
+        new TextEncoder().encode(
+          `https://${PUBLIC_DOMAIN}/p/${subject.anon ? npub : stripped}`,
+        ),
+      ),
+      20000,
+    ),
+  );
   $effect(() => followList.then((l) => (list = l)));
   let following = $derived(list.some((t) => t.includes(subject.pubkey)));
 </script>
@@ -214,18 +226,20 @@
           </div>
         </div>
         <div>
-          <div class="text-secondary">{$t("user.nostrPubkey")}</div>
+          <div class="text-secondary">{$t("user.lnurl")}</div>
           <div class="flex gap-4">
             <div class="break-all grow text-xl">
-              {subject.pubkey}
+              {lnurl}
             </div>
-            <div class="flex my-auto gap-1">
-              <button class="my-auto" onclick={() => copy(subject.pubkey)}
+            <div class="flex mb-auto gap-1">
+              <button class="my-auto" onclick={() => copy(lnurl)}
                 ><iconify-icon noobserver icon="ph:copy-bold" width="32"
                 ></iconify-icon></button
               >
               <a
-                href={`/qr/${encodeURIComponent(subject.pubkey)}`}
+                href={`/qr/${encodeURIComponent(
+                  `${$page.url.protocol}//${lnurl}`,
+                )}`}
                 class="my-auto"
               >
                 <iconify-icon noobserver icon="ph:qr-code-bold" width="32"
diff --git a/src/routes/(app)/ln/[lnurl]/+page.server.ts b/src/routes/(app)/ln/[lnurl]/+page.server.ts
index 405dc4b3..1ee182b1 100644
--- a/src/routes/(app)/ln/[lnurl]/+page.server.ts
+++ b/src/routes/(app)/ln/[lnurl]/+page.server.ts
@@ -1,6 +1,9 @@
+import { PUBLIC_DOMAIN } from "$env/static/public";
 import getRates from "$lib/rates";
-import { auth, fd, get, post } from "$lib/utils";
+import { auth, fd, get, post, types } from "$lib/utils";
+import { bech32 } from "@scure/base";
 import { error, fail, redirect } from "@sveltejs/kit";
+const { decode, fromWords } = bech32;
 
 export async function load({ params, parent }) {
 	const { user } = await parent();
@@ -8,28 +11,44 @@ export async function load({ params, parent }) {
 	const rates = await getRates();
 
 	let data;
+	const { lnurl } = params;
+
+	const url = Buffer.from(fromWords(decode(lnurl, 20000).words)).toString();
+
 	try {
-		const { lnurl } = params;
 		data = await get(`/decode?text=${lnurl}`);
-		let { callback, minSendable, maxSendable, comment, tag } = data;
-		if (tag === "payRequest" && minSendable === maxSendable) {
-			minSendable = Math.round(minSendable / 1000);
-			maxSendable = Math.round(maxSendable / 1000);
-			const amount = minSendable;
-
-			let url = `${callback}?amount=${amount * 1000}`;
-			if (comment) url += `&comment=${comment}`;
-
-			const { pr } = await fetch(url).then((r) => r.json());
-			let path = `/send/lightning/${pr}`;
-			if (comment) path += `/${encodeURIComponent(comment)}`;
-			redirect(307, path);
-		}
 	} catch (e) {
 		const { message } = e as Error;
 		error(500, message);
 	}
 
+	let { callback, minSendable, maxSendable, comment, tag } = data;
+	if (callback.includes(PUBLIC_DOMAIN)) {
+		const username = url.split(`https://${PUBLIC_DOMAIN}/p/`)[1];
+		// const inv = await post("/invoice", {
+		// 	invoice: { type: types.lightning, amount: minSendable / 1000 },
+		// 	user: { username },
+		// });
+		// const { id: iid } = inv;
+		let redir = `/pay/${username}`;
+		if (minSendable === maxSendable && minSendable > 0) redir += `/${minSendable / 1000}`;
+		redirect(307, redir);
+	}
+	if (tag === "payRequest" && minSendable === maxSendable) {
+		minSendable = Math.round(minSendable / 1000);
+		maxSendable = Math.round(maxSendable / 1000);
+		const amount = minSendable;
+
+		let url = `${callback}?amount=${amount * 1000}`;
+		if (comment) url += `&comment=${comment}`;
+
+		const { pr } = await fetch(url).then((r) => (r as Response).json());
+		console.log("PR", pr);
+		let path = `/send/lightning/${pr}`;
+		if (comment) path += `/${encodeURIComponent(comment)}`;
+		redirect(307, path);
+	}
+
 	if (!["payRequest", "withdrawRequest"].includes(data.tag))
 		error(500, "We only support LNURLp and LNURLw at this time");
 
diff --git a/src/routes/(app)/pay/[username]/[...amount]/+page.server.ts b/src/routes/(app)/pay/[username]/[...amount]/+page.server.ts
index b0f824ed..9c2b1e3b 100644
--- a/src/routes/(app)/pay/[username]/[...amount]/+page.server.ts
+++ b/src/routes/(app)/pay/[username]/[...amount]/+page.server.ts
@@ -13,7 +13,7 @@ export async function load({ cookies, params, parent }) {
 	let [amount, currency] = params.amount.split("/");
 
 	const rate = rates[currency ? currency.toUpperCase() : subject.currency];
-	if (!rate) error(500, "Invalid currency symbol");
+	if (currency && !rate) error(500, "Invalid currency symbol");
 
 	if (amount) {
 		if (currency) amount = (amount * sats) / rate;
@@ -33,8 +33,6 @@ export async function load({ cookies, params, parent }) {
 			auth(cookies),
 		);
 
-		const { balance } = await get(`/account/${user.id}`, auth(cookies));
-
 		redirect(307, `/invoice/${id}`);
 	}
 
@@ -66,8 +64,8 @@ export const actions = {
 			return fail(400, { message });
 		}
 
-    if (parseInt(amount) > 0 && prompt) redirect(307, `/invoice/${id}/tip`);
-    else if (parseInt(amount) <= 0 ) redirect(307, `/${username}/receive`);
+		if (parseInt(amount) > 0 && prompt) redirect(307, `/invoice/${id}/tip`);
+		else if (parseInt(amount) <= 0) redirect(307, `/${username}/receive`);
 		redirect(307, `/invoice/${id}`);
 	},
 };
diff --git a/src/routes/(app)/send/bitcoin/[address]/+page.svelte b/src/routes/(app)/send/bitcoin/[address]/+page.svelte
index 154534a7..671de954 100644
--- a/src/routes/(app)/send/bitcoin/[address]/+page.svelte
+++ b/src/routes/(app)/send/bitcoin/[address]/+page.svelte
@@ -34,7 +34,6 @@
 
   <div class="text-xl text-secondary break-all">{address}</div>
 
-  <div>{amount}</div>
   <Numpad bind:amount={a} bind:fiat {currency} {submit} bind:rate={$rate} />
 
   <div class="flex justify-center gap-2">
-- 
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