contract2.gm

{
  "name": "hauler_stats",
  "base": "",
  "fields": [
    {
      "name": "capacity",
      "type": "uint8"
    },
    {
      "name": "efficiency",
      "type": "uint16"
    },
    {
      "name": "drain",
      "type": "uint16"
    }
  ]
}