rusk: add info HTTP endpoint

rusk/src/lib/chain.rs

@@ -13,8 +13,13 @@ use crate::Rusk;
 
 #[derive(Clone)]
 pub struct RuskNode(pub node::Node<Kadcast<255>, Backend, Rusk>);
+
 impl RuskNode {
     pub fn db(&self) -> Arc<tokio::sync::RwLock<Backend>> {
         self.0.database() as Arc<tokio::sync::RwLock<Backend>>
     }
+
+    pub fn network(&self) -> Arc<tokio::sync::RwLock<Kadcast<255>>> {
+        self.0.network() as Arc<tokio::sync::RwLock<Kadcast<255>>>
+    }
 }

rusk/src/lib/http/chain.rs

@@ -26,6 +26,7 @@ use super::event::{
     Event, MessageRequest, MessageResponse, RequestData, ResponseData, Target,
 };
 use crate::http::RuskNode;
+use crate::{VERSION, VERSION_BUILD};
 
 const GQL_VAR_PREFIX: &str = "rusk-gqlvar-";
 
@@ -61,6 +62,7 @@ impl RuskNode {
                 let amount = request.event.data.as_string().trim().parse()?;
                 self.alive_nodes(amount).await
             }
+            (Target::Host(_), "Chain", "info") => self.get_info().await,
             _ => anyhow::bail!("Unsupported"),
         }
     }
@@ -110,4 +112,17 @@ impl RuskNode {
         let nodes: Vec<_> = nodes.iter().map(|n| n.to_string()).collect();
         Ok(serde_json::to_value(nodes)?.into())
     }
+
+    async fn get_info(&self) -> anyhow::Result<ResponseData> {
+        let mut info: HashMap<&str, serde_json::Value> = HashMap::new();
+        info.insert("version", VERSION.as_str().into());
+        info.insert("version_build", VERSION_BUILD.as_str().into());
+
+        let n_conf = self.network().read().await.conf().clone();
+        info.insert("bootstrapping_nodes", n_conf.bootstrapping_nodes.into());
+        info.insert("chain_id", n_conf.kadcast_id.into());
+        info.insert("kadcast_address", n_conf.public_address.into());
+
+        Ok(serde_json::to_value(&info)?.into())
+    }
 }