feat: parse client names to groups (#1262)

src/eth/rpc/rpc_client_app.rs

@@ -22,6 +22,21 @@ impl Display for RpcClientApp {
     }
 }
 
+impl RpcClientApp {
+    /// Parse known client application name to groups.
+    pub fn parse(name: &str) -> RpcClientApp {
+        let name = name.trim().trim_end_matches('/').to_ascii_lowercase();
+        let name = match name {
+            n if n.starts_with("banking") => format!("banking::{}", n),
+            n if n.starts_with("issuing") || n.starts_with("infinitecard") => format!("issuing::{}", n),
+            n if n.starts_with("lending") => format!("lending::{}", n),
+            n if n == "blockscout" || n == "golani" || n == "tx-replayer" => format!("infra::{}", n),
+            n => format!("other::{}", n),
+        };
+        RpcClientApp::Identified(name)
+    }
+}
+
 // -----------------------------------------------------------------------------
 // Serialization / Deserialization
 // -----------------------------------------------------------------------------

src/eth/rpc/rpc_http_middleware.rs

@@ -49,15 +49,15 @@ fn parse_client_app(headers: &HeaderMap<HeaderValue>, uri: &Uri) -> RpcClientApp
     }
 
     // try http headers
-    for header in ["x-app", "x-client"] {
+    for header in ["x-app", "x-stratus-app", "x-client", "x-stratus-client"] {
         if let Some(client_app) = headers.get(header) {
             let Ok(client_app) = client_app.to_str() else {
                 tracing::warn!(%header, value = ?client_app, "failed to parse http header as ascii string");
                 continue;
             };
             let client_app = normalize(client_app);
             if not(client_app.is_empty()) {
-                return RpcClientApp::Identified(client_app.to_owned());
+                return RpcClientApp::parse(&client_app);
             }
         }
     }
@@ -77,7 +77,7 @@ fn parse_client_app(headers: &HeaderMap<HeaderValue>, uri: &Uri) -> RpcClientApp
         if let Some(client_app) = query_params.get(param) {
             let client_app = normalize(client_app);
             if not(client_app.is_empty()) {
-                return RpcClientApp::Identified(client_app.to_owned());
+                return RpcClientApp::parse(&client_app);
             }
         }
     }