Add export endpoint to LH

common/eth2/src/lighthouse_vc/http_client.rs

@@ -487,6 +487,21 @@ impl ValidatorClientHttpClient {
         .await
     }
 
+    /// `DELETE eth/v1/keystores`
+    pub async fn delete_lighthouse_keystores(
+        &self,
+        req: &DeleteKeystoresRequest,
+    ) -> Result<ExportKeystoresResponse, Error> {
+        let mut path = self.server.full.clone();
+
+        path.path_segments_mut()
+            .map_err(|()| Error::InvalidUrl(self.server.clone()))?
+            .push("lighthouse")
+            .push("keystores");
+
+        self.delete_with_unsigned_response(path, req).await
+    }
+
     fn make_keystores_url(&self) -> Result<Url, Error> {
         let mut url = self.server.full.clone();
         url.path_segments_mut()

common/eth2/src/lighthouse_vc/types.rs

@@ -144,3 +144,19 @@ pub struct UpdateGasLimitRequest {
     #[serde(with = "eth2_serde_utils::quoted_u64")]
     pub gas_limit: u64,
 }
+
+#[derive(Deserialize, Serialize)]
+pub struct ExportKeystoresResponse {
+    pub data: Vec<SingleExportKeystoresResponse>,
+    #[serde(with = "eth2_serde_utils::json_str")]
+    pub slashing_protection: Interchange,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct SingleExportKeystoresResponse {
+    pub status: Status<DeleteKeystoreStatus>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub validating_keystore: Option<KeystoreJsonStr>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub validating_keystore_password: Option<ZeroizeString>,
+}