Add a couple wasm bindgens and fix warnings

src/lib.rs

@@ -2,15 +2,25 @@ pub mod crypto;
 pub mod remote_signing;
 pub mod signer;
 
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::decrypt_ecies;
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::encrypt_ecies;
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::generate_keypair;
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::sign_ecdsa;
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::verify_ecdsa;
+#[cfg(not(target_arch = "wasm32"))]
 use crypto::CryptoError;
+#[cfg(not(target_arch = "wasm32"))]
 use lightspark_remote_signing::validation::Validation;
+#[cfg(not(target_arch = "wasm32"))]
 use remote_signing::handle_remote_signing_webhook_event;
+#[cfg(not(target_arch = "wasm32"))]
 use remote_signing::RemoteSigningError;
+#[cfg(not(target_arch = "wasm32"))]
 use remote_signing::RemoteSigningResponse;
 
 #[cfg(not(target_arch = "wasm32"))]

src/remote_signing.rs

@@ -6,12 +6,15 @@ use lightspark_remote_signing::{
     signer::{LightsparkSigner, Network, Seed},
     validation::Validation,
 };
+use wasm_bindgen::prelude::*;
+use wasm_bindgen::{JsError, JsValue};
 
 pub struct RemoteSigningResponse {
     pub query: String,
     pub variables: String,
 }
 
+#[wasm_bindgen]
 #[derive(Clone, Copy, Debug)]
 pub enum RemoteSigningError {
     WebhookParsingError,
@@ -31,6 +34,14 @@ impl fmt::Display for RemoteSigningError {
     }
 }
 
+impl std::error::Error for RemoteSigningError {}
+
+impl From<RemoteSigningError> for JsValue {
+    fn from(val: RemoteSigningError) -> Self {
+        JsError::from(val).into()
+    }
+}
+
 pub fn handle_remote_signing_webhook_event(
     webhook_data: Vec<u8>,
     webhook_signature: String,