code: def node_vectors(node_id):
      
      exp = Experiment(session)
      # get the parameters
      direction = request_parameter(parameter="direction", default="all")
      failed = request_parameter(parameter="failed", parameter_type="bool", default=False)
      for x in [direction, failed]:
          if type(x) == Response:
              return x
  
      # execute the request
      node = models.Node.query.get(node_id)
      if node is None:
          return error_response(error_type="/node/vectors, node does not exist")
  
      try:
          vectors = node.vectors(direction=direction, failed=failed)
          exp.vector_get_request(node=node, vectors=vectors)
          session.commit()
      except Exception:
          return error_response(
              error_type="/node/vectors GET server error",
              status=403,
              participant=node.participant,
          )
  
      # return the data
      return success_response(vectors=[v.__json__() for v in vectors])
docs: Get the vectors of a node.
  
      You must specify the node id in the url.
      You can pass direction (incoming/outgoing/all) and failed
      (True/False/all).