mnemonic-hash-checker: use state over extension

mnemonic-hash-checker/src/main.rs

@@ -1,7 +1,7 @@
 use std::net::SocketAddr;
 use std::sync::Arc;
 
-use axum::{extract::Path, routing::get, Extension, Json, Router};
+use axum::{extract::{Path, State}, routing::get, Json, Router};
 
 use color_eyre::eyre::Result;
 
@@ -17,10 +17,6 @@ use tracing_subscriber::prelude::*;
 
 use tracing::{debug, info};
 
-struct State {
-    pool: Pool,
-}
-
 fn setup_registry() {
     let envfilter = EnvFilter::builder()
         .with_default_directive(LevelFilter::DEBUG.into())
@@ -48,12 +44,12 @@ async fn check_hash(hash: &str, pool: &Pool) -> Result<bool> {
 }
 
 // Note: Exposes *zero* information of potential errors to clients.
-#[tracing::instrument(skip(hash, state))]
+#[tracing::instrument(skip(hash, pool))]
 async fn check_hash_slug(
     Path(hash): Path<String>,
-    Extension(state): Extension<Arc<State>>,
+    State(pool): State<Arc<Pool>>,
 ) -> Json<Option<bool>> {
-    let result = check_hash(&hash, &state.pool).await;
+    let result = check_hash(&hash, &pool).await;
     if let Err(e) = &result {
         debug!(%e, "Error while performing lookup");
     }
@@ -77,12 +73,10 @@ async fn main() -> Result<()> {
     });
     let pool = config.create_pool(Some(Runtime::Tokio1), NoTls)?;
 
-    let state = State { pool };
-
     let app = Router::new()
         .route("/check/:hash", get(check_hash_slug))
+        .with_state(Arc::new(pool))
         .layer(CatchPanicLayer::new())
-        .layer(Extension(Arc::new(state)))
         .layer(TraceLayer::new_for_http());
 
     info!("server go nyoom");