Add swagger for validator-api (#1239)

* validator-api: add swagger openapi

* Lock file

validator-api/src/main.rs

@@ -19,6 +19,8 @@ use rocket::fairing::AdHoc;
 use rocket::http::Method;
 use rocket::{Ignite, Rocket};
 use rocket_cors::{AllowedHeaders, AllowedOrigins, Cors};
+use rocket_okapi::settings::UrlObject;
+use rocket_okapi::swagger_ui::{make_swagger_ui, SwaggerUIConfig};
 use std::process;
 use std::sync::Arc;
 use std::time::Duration;
@@ -398,6 +400,7 @@ async fn setup_rocket(
 ) -> Result<Rocket<Ignite>> {
     // let's build our rocket!
     let rocket = rocket::build()
+        .mount("/swagger", make_swagger_ui(&get_docs()))
         .attach(setup_cors()?)
         .attach(setup_liftoff_notify(liftoff_notify))
         .attach(ValidatorCache::stage());
@@ -436,6 +439,16 @@ async fn setup_rocket(
     }
 }
 
+pub(crate) fn get_docs() -> SwaggerUIConfig {
+    SwaggerUIConfig {
+        urls: vec![
+            UrlObject::new("Contract cache", "../v1/openapi.json"),
+            UrlObject::new("Node status", "../v1/status/openapi.json"),
+        ],
+        ..SwaggerUIConfig::default()
+    }
+}
+
 async fn run_validator_api(matches: ArgMatches<'static>) -> Result<()> {
     let system_version = env!("CARGO_PKG_VERSION");