Add timeout

Cargo.toml

@@ -57,7 +57,7 @@ tempfile = "3.2.0"
 tokio = { version = "1.17.0", features = ["rt-multi-thread"] }
 tokio-stream = "0.1.9"
 tokio-util = {version = "0.7.3", features = ["compat"] }
-tower-http = { version = "0.4.0", features = ["compression-br", "compression-gzip", "cors", "set-header"] }
+tower-http = { version = "0.4.0", features = ["compression-br", "compression-gzip", "cors", "set-header", "timeout"] }
 
 rdkafka = { version = "0.33.2" }
 axum-jrpc = { version = "0.5.1", features = ["serde_json", "anyhow_error"] }

src/block_rarity.rs

@@ -100,7 +100,7 @@ impl<'de> Deserialize<'de> for BlockRarity {
 
 pub(crate) fn is_palindrome(n: &u64) -> bool {
   let s = n.to_string();
-  if s.chars().nth(0) != s.chars().last() {
+  if s.chars().next() != s.chars().last() {
     return false;
   }
   let reversed = s.chars().rev().collect::<String>();

src/subcommand/server.rs

@@ -37,6 +37,7 @@ use {
     compression::CompressionLayer,
     cors::{Any, CorsLayer},
     set_header::SetResponseHeaderLayer,
+    timeout::TimeoutLayer,
   },
 };
 
@@ -132,6 +133,11 @@ pub(crate) struct Server {
   https: bool,
   #[clap(long, help = "Redirect HTTP traffic to HTTPS.")]
   redirect_http_to_https: bool,
+  #[clap(
+    long,
+    help = "Timeout requests after <SECONDS> seconds. Default: 30 seconds."
+  )]
+  timeout: Option<u64>,
 }
 
 impl Server {
@@ -214,6 +220,7 @@ impl Server {
             .allow_origin(Any),
         )
         .layer(CompressionLayer::new())
+        .layer(TimeoutLayer::new(Duration::from_secs(self.timeout.unwrap_or(30))))
         .with_state(server_config);
 
       match (self.http_port(), self.https_port()) {
@@ -1112,6 +1119,10 @@ mod tests {
       Self::new_with_args(&["--index-sats"], &[])
     }
 
+    fn new_with_timeout() -> Self {
+      Self::new_with_args(&[], &["--timeout", "1"])
+    }
+
     fn new_with_args(ord_args: &[&str], server_args: &[&str]) -> Self {
       Self::new_server(test_bitcoincore_rpc::spawn(), None, ord_args, server_args)
     }
@@ -1770,6 +1781,15 @@ mod tests {
     );
   }
 
+  #[test]
+  fn output_with_timeout() {
+    TestServer::new_with_timeout().assert_response_regex(
+      "/block/0",
+      StatusCode::OK,
+      ".*<title>Block 0</title>.*<h1>Block 0</h1>.*",
+    );
+  }
+
   #[test]
   fn output_without_sat_index() {
     let txid = "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b";