text: from dataclasses import dataclass
  
  
  @dataclass
  class FarmerHarvesterAPI:
      """A connected machine to the farmer
  
      schema of connections from example data
      {
          'bytes_read': 732920,
          'bytes_written': 736979,
          'creation_time': 1625781881.464225,
          'last_message_time': 1625856666.3932514,
          'local_port': 8447,
          'node_id': b'1n\x0f\xc4J\xb5q8\xc4\x98\x0b\xe7\\\xac\xd1\x82...',
          'peer_host': '127.0.0.1',
          'peer_port': 51844,
          'peer_server_port': 8448,
          'type': 2
      }
      """
  
      # pylint: disable=too-few-public-methods, too-many-instance-attributes
  
      node_id: bytes
      bytes_read: int
      bytes_written: int
      creation_time: float
      last_message_time: float
      local_port: int
      peer_host: str
      peer_port: int
      peer_server_port: int
      type: int
  
      # self-added extra attributes
      n_plots: int = 0
  