loopminepool

{
  "name": "setland",
  "base": "",
  "fields": [
    {
      "name": "mid",
      "type": "uint64"
    },
    {
      "name": "weight",
      "type": "float64"
    },
    {
      "name": "start",
      "type": "uint32"
    },
    {
      "name": "end",
      "type": "uint32"
    }
  ]
}