js(nostr-sdk): add Nip46Signer

bindings/nostr-sdk-js/src/client/signer/mod.rs

@@ -9,6 +9,10 @@ use nostr_js::nips::nip07::JsNip07Signer;
 use nostr_sdk::ClientSigner;
 use wasm_bindgen::prelude::*;
 
+pub mod nip46;
+
+use self::nip46::JsNip46Signer;
+
 #[wasm_bindgen(js_name = ClientSigner)]
 pub struct JsClientSigner {
     inner: nostr_sdk::ClientSigner,
@@ -43,4 +47,11 @@ impl JsClientSigner {
             inner: ClientSigner::NIP07(signer.deref().clone()),
         }
     }
+
+    /// NIP46 Client Signer
+    pub fn nip46(signer: &JsNip46Signer) -> Self {
+        Self {
+            inner: ClientSigner::NIP46(signer.deref().clone()),
+        }
+    }
 }

bindings/nostr-sdk-js/src/client/signer/nip46.rs

@@ -0,0 +1,70 @@
+// Copyright (c) 2022-2023 Yuki Kishimoto
+// Copyright (c) 2023-2024 Rust Nostr Developers
+// Distributed under the MIT software license
+
+use core::ops::Deref;
+
+use nostr_js::error::{into_err, Result};
+use nostr_js::key::{JsKeys, JsPublicKey};
+use nostr_js::nips::nip46::{JsNostrConnectMetadata, JsNostrConnectURI};
+use nostr_sdk::client::Nip46Signer;
+use nostr_sdk::Url;
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen(js_name = Nip46Signer)]
+pub struct JsNip46Signer {
+    inner: Nip46Signer,
+}
+
+impl Deref for JsNip46Signer {
+    type Target = Nip46Signer;
+
+    fn deref(&self) -> &Self::Target {
+        &self.inner
+    }
+}
+
+impl From<Nip46Signer> for JsNip46Signer {
+    fn from(inner: Nip46Signer) -> Self {
+        Self { inner }
+    }
+}
+
+#[wasm_bindgen(js_class = Nip46Signer)]
+impl JsNip46Signer {
+    /// New NIP46 remote signer
+    #[wasm_bindgen(constructor)]
+    pub fn new(
+        relay_url: String,
+        app_keys: &JsKeys,
+        signer_public_key: Option<JsPublicKey>,
+    ) -> Result<JsNip46Signer> {
+        let relay_url: Url = Url::parse(&relay_url).map_err(into_err)?;
+        Ok(Self {
+            inner: Nip46Signer::new(
+                relay_url,
+                app_keys.deref().clone(),
+                signer_public_key.map(|p| *p),
+            ),
+        })
+    }
+
+    /// Get signer relay url
+    #[wasm_bindgen(js_name = relayUrl)]
+    pub fn relay_url(&self) -> String {
+        self.inner.relay_url().to_string()
+    }
+
+    /// Get signer [`XOnlyPublicKey`]
+    #[wasm_bindgen(js_name = signerPublicKey)]
+    pub async fn signer_public_key(&self) -> Option<JsPublicKey> {
+        self.inner.signer_public_key().await.map(|p| p.into())
+    }
+
+    #[wasm_bindgen(js_name = nostrConnectUri)]
+    pub fn nostr_connect_uri(&self, metadata: &JsNostrConnectMetadata) -> JsNostrConnectURI {
+        self.inner
+            .nostr_connect_uri(metadata.deref().clone())
+            .into()
+    }
+}