Feature/chain status api (#5539)

* nym-api endpoint to return latest block information

* attached chain health to health query

* fixed serde casing

* one of the most nastiest work arounds in test code

nym-api/src/node_status_api/models.rs

@@ -14,6 +14,7 @@ use nym_contracts_common::NaiveFloat;
 use nym_mixnet_contract_common::reward_params::Performance;
 use nym_mixnet_contract_common::{IdentityKey, NodeId};
 use nym_serde_helpers::date::DATE_FORMAT;
+use nym_validator_client::nyxd::error::NyxdError;
 use reqwest::StatusCode;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -452,6 +453,15 @@ impl From<RedemptionError> for AxumErrorResponse {
     }
 }
 
+impl From<NyxdError> for AxumErrorResponse {
+    fn from(value: NyxdError) -> Self {
+        Self {
+            message: RequestError::new(value.to_string()),
+            status: StatusCode::INTERNAL_SERVER_ERROR,
+        }
+    }
+}
+
 #[derive(Debug, Error)]
 pub enum NymApiStorageError {
     #[error("could not find status report associated with mixnode {mix_id}")]