From 273afd10bb321c1ac23ce14aba9f61b6ffe1e910 Mon Sep 17 00:00:00 2001
From: Adam Soltys <adam@coinos.io>
Date: Wed, 15 Jan 2025 12:45:31 -0800
Subject: sign endpoint

---
 index.ts           |  1 +
 lib/invoices.ts    |  7 ++++---
 routes/invoices.ts | 10 ++++++++++
 routes/nostr.ts    |  6 +++---
 4 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/index.ts b/index.ts
index 8d12705f..e4212c0e 100644
--- a/index.ts
+++ b/index.ts
@@ -46,6 +46,7 @@ app.get("/locations", locations.list);
 app.get("/invoice/:id", invoices.get);
 app.get("/invoices", auth, invoices.list);
 app.post("/invoice", optional, invoices.create);
+app.post("/sign", auth, invoices.sign);
 
 app.get("/nostr.json", nostr.identities);
 app.get("/profile/:profile", nostr.profile);
diff --git a/lib/invoices.ts b/lib/invoices.ts
index 0957231a..b158592c 100644
--- a/lib/invoices.ts
+++ b/lib/invoices.ts
@@ -13,6 +13,7 @@ const lq = rpc(config.liquid);
 
 export const generate = async ({ invoice, user }) => {
   let {
+    address_type = "bech32",
     bolt11,
     aid,
     currency,
@@ -60,7 +61,7 @@ export const generate = async ({ invoice, user }) => {
   if (account.seed) {
     type = "bitcoin";
     const node = rpc({ ...config[type], wallet: aid });
-    hash = await node.getNewAddress();
+    hash = await node.getNewAddress({ address_type });
     text = bip21(hash, invoice);
 
     ({ hdkeypath: path } = await node.getAddressInfo(hash));
@@ -100,10 +101,10 @@ export const generate = async ({ invoice, user }) => {
 
     await s(`invoice:${r.offer_id}`, id);
   } else if (type === types.bitcoin) {
-    hash = await bc.getNewAddress();
+    hash = await bc.getNewAddress({ address_type });
     text = bip21(hash, invoice);
   } else if (type === types.liquid) {
-    hash = await lq.getNewAddress();
+    hash = await lq.getNewAddress({ address_type });
     text = bip21(hash, invoice);
   } else if (type === types.internal) {
     hash = id;
diff --git a/routes/invoices.ts b/routes/invoices.ts
index ead2284c..e7295b6e 100644
--- a/routes/invoices.ts
+++ b/routes/invoices.ts
@@ -1,7 +1,11 @@
+import config from "$config";
 import { db, g } from "$lib/db";
 import { generate } from "$lib/invoices";
 import { err } from "$lib/logging";
 import { bail, getInvoice, pick } from "$lib/utils";
+import rpc from "@coinos/rpc";
+
+const bc = rpc(config.bitcoin);
 
 export default {
   async get(req, res) {
@@ -48,4 +52,10 @@ export default {
     invoices = await Promise.all(invoices.map((i) => getInvoice(i)));
     res.send(invoices);
   },
+
+  async sign(req, res) {
+    const { address, message } = req.body;
+    const signature = await bc.signMessage({ address, message });
+    res.send({ signature });
+  },
 };
diff --git a/routes/nostr.ts b/routes/nostr.ts
index ae2be7e9..f43f3517 100644
--- a/routes/nostr.ts
+++ b/routes/nostr.ts
@@ -64,14 +64,14 @@ export default {
       if (!events.length) return res.send([]);
 
       const event = events[0];
-      const pubkeys = event.tags
+      let pubkeys = event.tags
         .filter((tag) => tag[0] === "p")
-        .map((tag) => tag[1])
-        .slice(offset, limit);
+        .map((tag) => tag[1]);
 
       let follows = [];
       if (pubkeysOnly) follows = pubkeys;
       else {
+        pubkeys = pubkeys.slice(limit, offset);
         const profiles = await scan({ authors: pubkeys, kinds: [0] });
         for (const p of profiles) {
           const { content, pubkey } = p;
-- 
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