chore: add payerdata and nostr info to lnurlp well known

src/well-known/lnurlp.ts

@@ -1,5 +1,5 @@
 import { Hono } from "hono";
-import { BASE_URL, DOMAIN } from "../constants.ts";
+import { BASE_URL, DOMAIN, NOSTR_NIP57_PUBLIC_KEY } from "../constants.ts";
 import { DB } from "../db/db.ts";
 import { logger } from "../logger.ts";
 
@@ -22,15 +22,28 @@ export function createLnurlWellKnownApp(db: DB) {
       // check the user exists
       await db.findUser(username);
 
-      // TODO: zapper support
-
       return c.json({
         tag: "payRequest",
         commentAllowed: 255,
         callback: `${BASE_URL}/lnurlp/${username}/callback`,
         minSendable: 1000,
         maxSendable: 10000000000,
         metadata: getLnurlMetadata(username),
+        payerData: {
+          name: {
+            mandatory: false
+          },
+          email: {
+            mandatory: false
+          },
+          pubkey: {
+            mandatory: false
+          }
+        },
+        ...(NOSTR_NIP57_PUBLIC_KEY ? {
+          nostrPubkey: NOSTR_NIP57_PUBLIC_KEY,
+          allowsNostr: true,
+        } : {})
       });
     } catch (error) {
       return c.json({ status: "ERROR", reason: "" + error });