feat: add debug port for ethjs (#1044)

Signed-off-by: Barnabas Busa <barnabas.busa@ethereum.org>

Author: barnabasbusa

src/el/ethereumjs/ethereumjs_launcher.star

@@ -12,6 +12,7 @@ WS_PORT_ENGINE_NUM = 8547
 DISCOVERY_PORT_NUM = 30303
 ENGINE_RPC_PORT_NUM = 8551
 METRICS_PORT_NUM = 9001
+DEBUG_PORT_NUM = 9229
 
 METRICS_PATH = "/metrics"
 
@@ -121,6 +122,12 @@ def get_config(
             constants.WS_PORT_ID: public_ports_for_component[4],
             constants.ENGINE_WS_PORT_ID: public_ports_for_component[5],
         }
+
+        if "--inspect" in participant.el_extra_env_vars.get("NODE_OPTIONS", ""):
+            additional_public_port_assignments[
+                constants.DEBUG_PORT_ID
+            ] = public_ports_for_component[6]
+
         public_ports.update(
             shared_utils.get_port_specs(additional_public_port_assignments)
         )
@@ -145,6 +152,10 @@ def get_config(
         constants.WS_PORT_ID: WS_PORT_NUM,
         constants.ENGINE_WS_PORT_ID: WS_PORT_ENGINE_NUM,
     }
+
+    if "--inspect" in participant.el_extra_env_vars.get("NODE_OPTIONS", ""):
+        used_port_assignments[constants.DEBUG_PORT_ID] = DEBUG_PORT_NUM
+
     used_ports = shared_utils.get_port_specs(used_port_assignments)
 
     cmd = [

src/package_io/constants.star

@@ -57,6 +57,7 @@ VALIDATOR_HTTP_PORT_ID = "http-validator"
 METRICS_PORT_ID = "metrics"
 ENGINE_RPC_PORT_ID = "engine-rpc"
 ENGINE_WS_PORT_ID = "engine-ws"
+DEBUG_PORT_ID = "debug"
 ADMIN_PORT_ID = "admin"
 RBUILDER_PORT_ID = "rbuilder-rpc"
 RBUILDER_METRICS_PORT_ID = "rbuilder-metric"

src/shared_utils/shared_utils.star

@@ -3,6 +3,7 @@ constants = import_module("../package_io/constants.star")
 TCP_PROTOCOL = "TCP"
 UDP_PROTOCOL = "UDP"
 HTTP_APPLICATION_PROTOCOL = "http"
+WS_APPLICATION_PROTOCOL = "ws"
 NOT_PROVIDED_APPLICATION_PROTOCOL = ""
 NOT_PROVIDED_WAIT = "not-provided-wait"
 
@@ -287,10 +288,20 @@ def get_port_specs(port_assignments):
             constants.PROFILING_PORT_ID,
         ]:
             ports.update({port_id: new_port_spec(port, TCP_PROTOCOL)})
-        elif port_id == constants.UDP_DISCOVERY_PORT_ID:
-            ports.update({port_id: new_port_spec(port, UDP_PROTOCOL)})
-        elif port_id == constants.QUIC_DISCOVERY_PORT_ID:
+        elif port_id in [
+            constants.UDP_DISCOVERY_PORT_ID,
+            constants.QUIC_DISCOVERY_PORT_ID,
+            constants.TORRENT_PORT_ID,
+        ]:
             ports.update({port_id: new_port_spec(port, UDP_PROTOCOL)})
+        elif port_id == constants.DEBUG_PORT_ID:
+            ports.update(
+                {
+                    port_id: new_port_spec(
+                        port, TCP_PROTOCOL, WS_APPLICATION_PROTOCOL, wait=None
+                    )
+                }
+            )
         elif port_id in [
             constants.HTTP_PORT_ID,
             constants.METRICS_PORT_ID,
@@ -303,6 +314,8 @@ def get_port_specs(port_assignments):
             ports.update(
                 {port_id: new_port_spec(port, TCP_PROTOCOL, HTTP_APPLICATION_PROTOCOL)}
             )
+        else:
+            fail("Unknown port id: {}".format(port_id))
     return ports