sal-modular/vault/src/rhai_bindings.rs
2025-05-29 13:41:10 +03:00

116 lines
4.9 KiB
Rust

//! Rhai bindings for Vault and EVM Client modules
//! Provides a single source of truth for scripting integration.
use rhai::Engine;
use crate::session::SessionManager;
/// Register core Vault and EVM Client APIs with the Rhai scripting engine.
#[cfg(not(target_arch = "wasm32"))]
pub fn register_rhai_api<S: kvstore::traits::KVStore + Send + Sync + Clone + 'static>(
engine: &mut Engine,
_session_manager: std::sync::Arc<std::sync::Mutex<SessionManager<S>>>,
) {
engine.register_type::<RhaiSessionManager<S>>();
engine.register_fn("select_keypair", RhaiSessionManager::<S>::select_keypair);
engine.register_fn("select_default_keypair", RhaiSessionManager::<S>::select_default_keypair);
engine.register_fn("sign", RhaiSessionManager::<S>::sign);
// No global constant registration: Rhai does not support this directly.
// Scripts should receive the session manager as a parameter or via module scope.
}
#[cfg(not(target_arch = "wasm32"))]
#[derive(Clone)]
struct RhaiSessionManager<S: kvstore::traits::KVStore + Send + Sync + Clone + 'static> {
inner: std::sync::Arc<std::sync::Mutex<SessionManager<S>>>,
}
#[cfg(target_arch = "wasm32")]
#[derive(Clone)]
struct RhaiSessionManager<S: kvstore::traits::KVStore + Clone + 'static> {
inner: S,
}
#[cfg(not(target_arch = "wasm32"))]
impl<S: kvstore::traits::KVStore + Send + Sync + Clone + 'static> RhaiSessionManager<S> {
pub fn select_keypair(&self, key_id: String) -> Result<(), String> {
// Use Mutex for interior mutability, &self is sufficient
self.inner.lock().unwrap().select_keypair(&key_id).map_err(|e| format!("select_keypair error: {e}"))
}
pub fn select_default_keypair(&self) -> Result<(), String> {
self.inner.lock().unwrap().select_default_keypair()
.map_err(|e| format!("select_default_keypair error: {e}"))
}
pub fn sign(&self, message: rhai::Blob) -> Result<rhai::Blob, String> {
let sm = self.inner.lock().unwrap();
// Try to get the current keyspace name from session state if possible
let _keypair = sm.current_keypair().ok_or("No keypair selected")?;
// Sign using the session manager; password and keyspace are not needed (already unlocked)
crate::rhai_sync_helpers::sign_sync::<S>(
&sm,
&message,
).map_err(|e| format!("sign error: {e}"))
}
}
#[cfg(target_arch = "wasm32")]
impl<S: kvstore::traits::KVStore + Clone + 'static> RhaiSessionManager<S> {
pub fn select_keypair(&self, key_id: String) -> Result<(), String> {
// Use the global singleton for session management
crate::session_singleton::SESSION_MANAGER.with(|cell| {
let mut opt = cell.borrow_mut();
if let Some(session) = opt.as_mut() {
session.select_keypair(&key_id).map_err(|e| format!("select_keypair error: {e}"))
} else {
Err("Session not initialized".to_string())
}
})
}
pub fn current_keypair(&self) -> Option<String> {
crate::session_singleton::SESSION_MANAGER.with(|cell| {
let opt = cell.borrow();
opt.as_ref()
.and_then(|session| session.current_keypair().map(|k| k.id.clone()))
})
}
pub fn logout(&self) {
crate::session_singleton::SESSION_MANAGER.with(|cell| {
let mut opt = cell.borrow_mut();
if let Some(session) = opt.as_mut() {
session.logout();
}
});
}
pub fn sign(&self, _message: rhai::Blob) -> Result<rhai::Blob, String> {
// Signing is async in WASM; must be called from JS/wasm-bindgen, not Rhai
Err("sign is async in WASM; use the WASM sign() API from JS instead".to_string())
}
}
// WASM-specific API: no Arc/Mutex, just a reference
#[cfg(target_arch = "wasm32")]
pub fn register_rhai_api<S: kvstore::traits::KVStore + Clone + 'static>(
engine: &mut Engine,
// session_manager: &SessionManager<S>,
) {
// WASM registration logic (adapt as needed)
// Example: engine.register_type::<RhaiSessionManager<S>>();
// engine.register_fn(...);
// In WASM, register global functions that operate on the singleton
engine.register_fn("select_keypair", |key_id: String| {
crate::wasm_helpers::select_keypair_global(&key_id)
}); // Calls the shared WASM session singleton
engine.register_fn("sign", |_message: rhai::Blob| -> Result<rhai::Blob, String> {
Err("sign is async in WASM; use the WASM sign() API from JS instead".to_string())
});
// No global session object in WASM; use JS/WASM API for session ops
}
// --- Sync wrappers for async Rust APIs (to be implemented with block_on or similar) ---
// These should be implemented in a separate module (rhai_sync_helpers.rs)
// and use block_on or spawn_local for WASM compatibility.