whaleextrust

{
  "name": "order_extend",
  "base": "",
  "fields": [
    {
      "name": "order_id",
      "type": "uint64"
    },
    {
      "name": "trx_id",
      "type": "checksum256"
    },
    {
      "name": "hash",
      "type": "checksum256"
    }
  ]
}