chore: add bootnodes,external-ip cli to bridge to support hive test (e…

…thereum#1009)

portal-bridge/src/cli.rs

@@ -53,6 +53,20 @@ pub struct BridgeConfig {
     #[arg(long, help = "Url for metrics reporting")]
     pub metrics_url: Option<Url>,
 
+    #[arg(
+        default_value = "default",
+        long = "bootnodes",
+        help = "One or more comma-delimited base64-encoded ENR's or multiaddr strings of peers to initially add to the local routing table"
+    )]
+    pub bootnodes: String,
+
+    #[arg(
+        default_value = "none",
+        long = "external-ip",
+        help = "(Only use this if you are behind a NAT) The address which will be advertised to peers (in an ENR). Changing it does not change which address trin binds to, ex: 127.0.0.1"
+    )]
+    pub external_ip: String,
+
     #[command(subcommand)]
     pub client_type: ClientType,
 }

portal-bridge/src/client_handles.rs

@@ -38,6 +38,14 @@ pub fn fluffy_handle(
             .arg(format!("--metrics-address:{address}"))
             .arg(format!("--metrics-port:{port}"));
     }
+    if bridge_config.bootnodes != "default" {
+        for enr in bridge_config.bootnodes.split(',') {
+            command.args(["--bootstrap-node", enr]);
+        }
+    }
+    if !bridge_config.external_ip.is_empty() {
+        command.arg(format!("--nat:extip:{}", bridge_config.external_ip));
+    }
     Ok(command.spawn()?)
 }
 
@@ -67,7 +75,13 @@ pub fn trin_handle(
             &format!("http://127.0.0.1:{rpc_port}"),
         ])
         .args(["--discovery-port", &format!("{udp_port}")])
-        .args(["--bootnodes", "default"]);
+        .args(["--bootnodes", &bridge_config.bootnodes]);
+    if !bridge_config.external_ip.is_empty() {
+        command.args([
+            "--external-address",
+            &format!("{}:{}", bridge_config.external_ip, udp_port),
+        ]);
+    }
     if let Some(metrics_url) = bridge_config.metrics_url {
         let url: String = metrics_url.into();
         command.args(["--enable-metrics-with-url", &url]);