feat: add missing admin_* methods

crates/provider/src/ext/admin.rs

@@ -1,6 +1,7 @@
 //! This module extends the Ethereum JSON-RPC provider with the Admin namespace's RPC methods.
 use crate::Provider;
 use alloy_network::Network;
+use alloy_primitives::U128;
 use alloy_rpc_types_admin::{NodeInfo, PeerInfo};
 use alloy_transport::{Transport, TransportResult};
 
@@ -31,6 +32,17 @@ pub trait AdminApi<N, T>: Send + Sync {
     /// Returns general information about the node as well as information about the running p2p
     /// protocols (e.g. `eth`, `snap`).
     async fn node_info(&self) -> TransportResult<NodeInfo>;
+
+    /// Subscribe to events received by peers over the network.
+    ///
+    /// Like other subscription methods, this returns the ID of the subscription, which is then used
+    /// in all events subsequently.
+    ///
+    /// To unsubscribe from peer events, call `unsubscribe_peer_events`.
+    async fn subscribe_peer_events(&self) -> TransportResult<Option<U128>>;
+
+    /// Cancel subscription with `id`.
+    async fn unsubscribe_peer_events(&self, id: U128) -> TransportResult<bool>;
 }
 
 #[cfg_attr(target_arch = "wasm32", async_trait::async_trait(?Send))]
@@ -64,6 +76,15 @@ where
     async fn node_info(&self) -> TransportResult<NodeInfo> {
         self.client().request("admin_nodeInfo", ()).await
     }
+
+    async fn subscribe_peer_events(&self) -> TransportResult<Option<U128>> {
+        self.client().request("admin_peerEvents_subscribe", ()).await
+    }
+
+    async fn unsubscribe_peer_events(&self, id: U128) -> TransportResult<bool> {
+        let id = format!("{id:#x}");
+        self.client().request("admin_peerEvents_unsubscribe", (id,)).await
+    }
 }
 
 #[cfg(test)]