feat: HTTP with auth header

README.md

@@ -63,6 +63,7 @@ This repository contains the following examples:
 - [x] Providers
   - [x] [Builder](./examples/providers/examples/builder.rs)
   - [x] [Builtin](./examples/providers/examples/builtin.rs)
+  - [x] [HTTP with authentication](./examples/providers/examples/http_with_auth.rs)
   - [x] [HTTP](./examples/providers/examples/http.rs)
   - [x] [IPC](./examples/providers/examples/ipc.rs)
   - [x] [WS](./examples/providers/examples/ws.rs)

examples/providers/examples/http_with_auth.rs

@@ -0,0 +1,40 @@
+//! Example of using the reqwest HTTP client with an AUTHORIZATION header to get the latest block
+//! number.
+
+use alloy::{
+    providers::{Provider, ProviderBuilder},
+    rpc::client::RpcClient,
+    transports::http::{
+        reqwest::{
+            header::{HeaderMap, HeaderValue, AUTHORIZATION},
+            Client,
+        },
+        Http,
+    },
+};
+use eyre::Result;
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // Set the AUTHORIZATION header.
+    let mut headers = HeaderMap::new();
+    headers.insert(AUTHORIZATION, HeaderValue::from_static("deadbeef"));
+
+    // Create the reqwest::Client with the AUTHORIZATION header.
+    let client_with_auth = Client::builder().default_headers(headers).build()?;
+
+    // Create the HTTP transport.
+    let rpc_url = "https://eth.merkle.io".parse()?;
+    let http = Http::with_client(client_with_auth, rpc_url);
+    let rpc_client = RpcClient::new(http, false);
+
+    // Create a provider with the HTTP transport.
+    let provider = ProviderBuilder::new().on_client(rpc_client);
+
+    // Get latest block number.
+    let latest_block = provider.get_block_number().await?;
+
+    println!("Latest block number: {latest_block}");
+
+    Ok(())
+}