contract2.gm

{
  "name": "travel",
  "base": "",
  "fields": [
    {
      "name": "id",
      "type": "uint64"
    },
    {
      "name": "x",
      "type": "int64"
    },
    {
      "name": "y",
      "type": "int64"
    },
    {
      "name": "recharge",
      "type": "bool"
    }
  ]
}