diff --git a/src/config/bridge_backend.rs b/src/config/bridge_backend.rs
index 631672e..eb4ea3b 100644
--- a/src/config/bridge_backend.rs
+++ b/src/config/bridge_backend.rs
@@ -190,4 +190,15 @@ impl BridgeBackendConfig {
 
         env
     }
+
+    #[allow(unused)]
+    pub fn convert_hashmap_to_vec(input: &HashMap<String, String>) -> Vec<(&str, &str)> {
+        let mut result: Vec<(&str, &str)> = Vec::new();
+
+        for val in input {
+            result.push((val.0.as_str(), val.1.as_str()));
+        }
+
+        result
+    }
 }
diff --git a/src/node.rs b/src/node.rs
index ed63019..33f9b2f 100644
--- a/src/node.rs
+++ b/src/node.rs
@@ -43,7 +43,7 @@ pub trait Config: Clone {
     fn dir(&self) -> &PathBuf;
     fn rpc_bind_host(&self) -> &str;
     fn rpc_bind_port(&self) -> u16;
-    fn env(&self) -> Vec<(&'static str, &'static str)>;
+    fn env(&self) -> Vec<(&'static str, &'static str)>; // TODO: Isn't HashMap<String, String> more appropriate
     fn node_config(&self) -> Option<&Self::NodeConfig>;
     fn node_kind() -> NodeKind;
     fn rollup_config(&self) -> &RollupConfig;