feat: add more nostr commands

src-tauri/src/nostr/event.rs

@@ -0,0 +1,20 @@
+use crate::AppState;
+use nostr_sdk::prelude::*;
+use std::time::Duration;
+use tauri::State;
+
+#[tauri::command(async)]
+pub async fn get_event(id: String, app_state: State<'_, AppState>) -> Result<String, ()> {
+  let client = &app_state.nostr;
+
+  let event_id = EventId::from_bech32(id).unwrap();
+  let filter = Filter::new().id(event_id);
+
+  let events = client
+    .get_events_of(vec![filter], Some(Duration::from_secs(10)))
+    .await
+    .expect("Get metadata failed");
+  let event = events.into_iter().nth(0).unwrap().as_json();
+
+  Ok(event)
+}

src-tauri/src/nostr/keys.rs

@@ -1,6 +1,9 @@
+use crate::AppState;
 use nostr::nips::nip19::ToBech32;
 use nostr::secp256k1::SecretKey;
-use nostr::{Keys, Result};
+use nostr::{FromBech32, Keys, Result};
+use nostr_sdk::ClientSigner;
+use tauri::State;
 
 #[derive(serde::Serialize)]
 pub struct CreateKeysResponse {
@@ -27,3 +30,15 @@ pub fn get_public_key(secret_key: SecretKey) -> Result<String, ()> {
   let keys = Keys::new(secret_key);
   Ok(keys.public_key().to_bech32().expect("secret key failed"))
 }
+
+#[tauri::command]
+pub async fn update_signer(key: String, app_state: State<'_, AppState>) -> Result<(), ()> {
+  let client = &app_state.nostr;
+  let secret_key = SecretKey::from_bech32(key).unwrap();
+  let keys = Keys::new(secret_key);
+  let signer = ClientSigner::Keys(keys);
+
+  client.set_signer(Some(signer)).await;
+
+  Ok(())
+}

src-tauri/src/nostr/metadata.rs

@@ -0,0 +1,26 @@
+use crate::AppState;
+use nostr_sdk::prelude::*;
+use std::time::Duration;
+use tauri::State;
+
+#[tauri::command(async)]
+pub async fn get_metadata(npub: String, app_state: State<'_, AppState>) -> Result<Metadata, ()> {
+  let client = &app_state.nostr;
+
+  let public_key = XOnlyPublicKey::from_bech32(npub).unwrap();
+
+  let filter = Filter::new()
+    .author(public_key)
+    .kind(Kind::Metadata)
+    .limit(1);
+
+  let events = client
+    .get_events_of(vec![filter], Some(Duration::from_secs(10)))
+    .await
+    .expect("Get metadata failed");
+
+  let event = events.into_iter().nth(0).unwrap();
+  let metadata: Metadata = Metadata::from_json(&event.content).unwrap();
+
+  Ok(metadata)
+}