fixed deserialisation of 'AuxiliaryDetails' api response

nym-node/nym-node-requests/src/api/v1/node/models.rs

@@ -1,7 +1,6 @@
 // Copyright 2023-2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0
 
-use crate::helpers::de_maybe_stringified;
 use celes::Country;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -171,7 +170,6 @@ pub struct NodeDescription {
 #[cfg_attr(feature = "openapi", derive(utoipa::ToSchema))]
 pub struct AuxiliaryDetails {
     /// Optional ISO 3166 alpha-2 two-letter country code of the node's **physical** location
-    #[serde(deserialize_with = "de_maybe_stringified")]
     #[cfg_attr(feature = "openapi", schema(example = "PL", value_type = Option<String>))]
     #[schemars(with = "Option<String>")]
     #[schemars(length(equal = 2))]

nym-node/nym-node-requests/src/helpers.rs

@@ -1,20 +0,0 @@
-// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use serde::{Deserialize, Deserializer};
-use std::fmt::Display;
-use std::str::FromStr;
-
-pub fn de_maybe_stringified<'de, D, T, E>(deserializer: D) -> Result<Option<T>, D::Error>
-where
-    D: Deserializer<'de>,
-    T: FromStr<Err = E>,
-    E: Display,
-{
-    let raw = String::deserialize(deserializer)?;
-    if raw.is_empty() {
-        Ok(None)
-    } else {
-        Ok(Some(raw.parse().map_err(serde::de::Error::custom)?))
-    }
-}

nym-node/nym-node-requests/src/lib.rs

@@ -6,8 +6,6 @@
 
 pub mod api;
 pub mod error;
-pub(crate) mod helpers;
-
 macro_rules! absolute_route {
     ( $name:ident, $parent:expr, $suffix:expr ) => {
         pub fn $name() -> String {