code: def validate_with_context(
      self, context: AuthedServiceContext
  ) -> NodePeer:
      # relative
      from .node_peer import NodePeer
  
      # Step 1: Check if the given route is able to reach the given node
      # As we allow the user to give custom routes, we need to check the reachability of the route
      self_client = self.client_with_context(context=context)
  
      # generating a random challenge
      random_challenge = secrets.token_bytes(16)
      challenge_signature = self_client.api.services.network.ping(
          random_challenge
      )
  
      if isinstance(challenge_signature, SyftError):
          return challenge_signature
  
      try:
          # Verifying if the challenge is valid
          context.node.verify_key.verify_key.verify(
              random_challenge, challenge_signature
          )
      except Exception:
          return SyftError(
              message="Signature Verification Failed in ping"
          )
  
      # Step 2: Create a Node Peer with the given route
      self_node_peer = context.node.settings.to(NodePeer)
      self_node_peer.node_routes.append(self)
  
      return self_node_peer
  
imports: from __future__ import annotations
  import secrets
  from typing import Any
  from typing import Optional
  from typing import TYPE_CHECKING
  from typing import Union
  from typing_extensions import Self
  from ...abstract_node import AbstractNode
  from ...client.client import HTTPConnection
  from ...client.client import NodeConnection
  from ...client.client import PythonConnection
  from ...client.client import SyftClient
  from ...node.worker_settings import WorkerSettings
  from ...serde.serializable import serializable
  from ...types.syft_object import SYFT_OBJECT_VERSION_1
  from ...types.syft_object import SyftObject
  from ...types.transforms import TransformContext
  from ...types.uid import UID
  from ..context import AuthedServiceContext
  from ..context import NodeServiceContext
  from ..response import SyftError
label_desc: Use image node_id 2 for calling the NodeRoute obj's underlying member method code with example usage: obj.validate_with_context(context) and returns: self_node_peer, challenge_signature, SyftError