From fb958686f2df2d2e74428c6e01a5c8013d77d576 Mon Sep 17 00:00:00 2001
From: Antoine Riard <dev@ariard.me>
Date: Wed, 23 Aug 2023 18:11:44 +0100
Subject: [PATCH] Add NIP-11 relay info document as early NOTICE

---
 src/clienthandler.rs |  7 +++----
 src/util.rs          | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/src/clienthandler.rs b/src/clienthandler.rs
index 79bf8e6..d1477ad 100644
--- a/src/clienthandler.rs
+++ b/src/clienthandler.rs
@@ -21,7 +21,7 @@ use crate::config::Config;
 use crate::{events, NostrSub, NostrClient};
 use crate::events::{ClientEvents, EventsProvider, ServerCmd};
 use crate::nostr_db::DbRequest;
-use crate::util::is_ephemeral;
+use crate::util::{is_ephemeral, get_relay_info};
 
 use staking_credentials::common::msgs::CredentialPolicy;
 
@@ -333,9 +333,8 @@ impl ClientHandler {
 				}
 				let db_request = DbRequest::WriteClient(client_2);
 				write_db.push(db_request);
-				//TODO: serialize CredentialPolicy as message notice
-				let message = String::new();
-				let relay_message = RelayMessage::new_notice(message);
+				let relay_info = get_relay_info();
+				let relay_message = RelayMessage::new_notice(relay_info);
 				let serialized_message = relay_message.as_json();
 				let notice_event = ClientEvents::RelayNotice { client_id: client_id,  message: serialized_message };
 				new_pending_events.push(notice_event);
diff --git a/src/util.rs b/src/util.rs
index 6f9f791..7e86279 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,5 +1,9 @@
 use nostr::Event;
 
+use serde_json::json;
+
+use bitcoin::secp256k1::{PublicKey, SecretKey, Secp256k1};
+
 use log::LevelFilter;
 use simplelog::{CombinedLogger, ConfigBuilder, TermLogger, WriteLogger, TerminalMode};
 use std::error::Error;
@@ -73,3 +77,18 @@ pub fn is_replaceable(ev: &Event) -> bool {
 	}
 	return false;
 }
+
+pub fn get_relay_info() -> String {
+	//TODO: give config
+	let secp_ctx = Secp256k1::new();
+	let pubkey = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42;32]).unwrap());
+	let relay_info = json!({
+		"name": "CIVKIT TEST",
+		"description": "",
+		"pubkey": pubkey.serialize()[..],
+		"contact": "",
+		"software": "civkitd",
+		"version": "v0.0.2"
+	});
+	relay_info.to_string()
+}