hahacontract

{
  "name": "checkresult",
  "base": "",
  "fields": [
    {
      "name": "acct",
      "type": "name"
    },
    {
      "name": "txhash",
      "type": "checksum256"
    },
    {
      "name": "tbn",
      "type": "int32"
    }
  ]
}