fix: add definitions about lock and cancel lock

system-actors/src/keyvalue/actions.rs

@@ -46,6 +46,23 @@ pub struct DelResponse {
 	pub key: String,
 }
 
+#[doc(hidden)]
+#[derive(Debug, Clone, Serialize, Deserialize, TypeId, Priced)]
+#[price(30000)]
+#[response(())]
+pub struct LockRequest {
+	pub key: String,
+	pub expires_s: Option<i32>,
+}
+
+#[doc(hidden)]
+#[derive(Debug, Clone, Serialize, Deserialize, TypeId, Priced)]
+#[price(10000)]
+#[response(())]
+pub struct CancelLockRequest {
+	pub key: String,
+}
+
 #[doc(hidden)]
 #[derive(Debug, Clone, Serialize, Deserialize, TypeId, Priced)]
 #[price(10000)]

utils/wasm-actor-utils/src/enclave/actors/kvp.rs

@@ -60,6 +60,23 @@ pub async fn del(key: &str) -> Result<String> {
 	Ok(r.key)
 }
 
+pub async fn lock(key: &str, expires_s: Option<i32>) -> Result<()> {
+	let req = LockRequest {
+		key: key.to_owned(),
+		expires_s,
+	};
+	KVP_ACTOR.call(req).await?;
+	Ok(())
+}
+
+pub async fn cancel_lock(key: &str) -> Result<()> {
+	let req = CancelLockRequest {
+		key: key.to_owned(),
+	};
+	KVP_ACTOR.call(req).await?;
+	Ok(())
+}
+
 #[doc(hidden)]
 pub async fn add(key: &str, value: i32) -> Result<i32> {
 	let req = AddRequest {