contract2.gm

{
  "name": "cleartable",
  "base": "",
  "fields": [
    {
      "name": "table_name",
      "type": "name"
    },
    {
      "name": "scope",
      "type": "name?"
    },
    {
      "name": "max_rows",
      "type": "uint64?"
    }
  ]
}