From b9e756de2662fdb03bc1fead895bbbd18fce9a78 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Tue, 19 Dec 2023 19:18:20 -0600
Subject: [PATCH 1/2] deps: remove Author from nostr-relaypool

---
 src/deps.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/deps.ts b/src/deps.ts
index a6b893c..b9db9e2 100644
--- a/src/deps.ts
+++ b/src/deps.ts
@@ -9,7 +9,7 @@ export {
 } from 'https://deno.land/x/hono@v3.10.1/mod.ts';
 export { cors, logger, serveStatic } from 'https://deno.land/x/hono@v3.10.1/middleware.ts';
 export { z } from 'https://deno.land/x/zod@v3.21.4/mod.ts';
-export { Author, RelayPool } from 'https://dev.jspm.io/nostr-relaypool@0.6.30';
+export { RelayPool } from 'https://dev.jspm.io/nostr-relaypool@0.6.30';
 export {
   type Event,
   type EventTemplate,

From 26e64e781c3d4e2cd6425993793905bb2457619c Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Tue, 19 Dec 2023 21:15:41 -0600
Subject: [PATCH 2/2] Add NIP-11 support

---
 src/controllers/api/instance.ts     |  4 ++--
 src/controllers/nostr/relay-info.ts | 19 +++++++++++++++++++
 src/controllers/nostr/relay.ts      |  8 +++++++-
 3 files changed, 28 insertions(+), 3 deletions(-)
 create mode 100644 src/controllers/nostr/relay-info.ts

diff --git a/src/controllers/api/instance.ts b/src/controllers/api/instance.ts
index 10b359b..ebc3269 100644
--- a/src/controllers/api/instance.ts
+++ b/src/controllers/api/instance.ts
@@ -10,8 +10,8 @@ const instanceController: AppController = (c) => {
   return c.json({
     uri: host,
     title: 'Ditto',
-    description: 'An efficient and flexible social media server.',
-    short_description: 'An efficient and flexible social media server.',
+    description: 'Nostr and the Fediverse',
+    short_description: 'Nostr and the Fediverse',
     registrations: Conf.registrations,
     max_toot_chars: Conf.postCharLimit,
     configuration: {
diff --git a/src/controllers/nostr/relay-info.ts b/src/controllers/nostr/relay-info.ts
new file mode 100644
index 0000000..83b2c57
--- /dev/null
+++ b/src/controllers/nostr/relay-info.ts
@@ -0,0 +1,19 @@
+import { AppController } from '@/app.ts';
+import { Conf } from '@/config.ts';
+
+const relayInfoController: AppController = (c) => {
+  return c.json({
+    name: 'Ditto',
+    description: 'Nostr and the Fediverse.',
+    pubkey: '<administrative contact pubkey>',
+    contact: `mailto:${Conf.adminEmail}`,
+    supported_nips: [1, 5, 9, 11, 45, 46, 98],
+    software: 'Ditto',
+    version: '0.0.0',
+    limitation: {
+      // TODO.
+    },
+  });
+};
+
+export { relayInfoController };
diff --git a/src/controllers/nostr/relay.ts b/src/controllers/nostr/relay.ts
index 9f5cd59..f4b32b3 100644
--- a/src/controllers/nostr/relay.ts
+++ b/src/controllers/nostr/relay.ts
@@ -1,3 +1,4 @@
+import { relayInfoController } from '@/controllers/nostr/relay-info.ts';
 import * as eventsDB from '@/db/events.ts';
 import * as pipeline from '@/pipeline.ts';
 import { jsonSchema } from '@/schema.ts';
@@ -116,9 +117,14 @@ function prepareFilters(filters: ClientREQ[2][]): Filter[] {
   }));
 }
 
-const relayController: AppController = (c) => {
+const relayController: AppController = (c, next) => {
   const upgrade = c.req.header('upgrade');
 
+  // NIP-11: https://github.com/nostr-protocol/nips/blob/master/11.md
+  if (c.req.header('accept') === 'application/nostr+json') {
+    return relayInfoController(c, next);
+  }
+
   if (upgrade?.toLowerCase() !== 'websocket') {
     return c.text('Please use a Nostr client to connect.', 400);
   }