{
  "Token": {
    "hash": "H256",
    "symbol": "Vec<u8>",
    "total_supply": "Balance"
  },
  "OrderType": {
    "_enum": [
      "Buy",
      "Sell"
    ]
  },
  "OrderStatus": {
    "_enum": [
      "Created",
      "PartialFilled",
      "Filled",
      "Canceled"
    ]
  },
  "TradePair": {
    "hash": "H256",
    "base": "H256",
    "quote": "H256",
    "buy_one_price": "Option<Price>",
    "sell_one_price": "Option<Price>",
    "latest_matched_price": "Option<Price>",
    "one_day_trade_volume": "Option<Price>",
    "one_day_highest_price": "Option<Price>",
    "one_day_lowest_price": "Option<Price>"
  },
  "Price": "u128",
  "LimitOrder": {
    "hash": "H256",
    "base": "H256",
    "quote": "H256",
    "owner": "AccountId",
    "price": "Price",
    "sell_amount": "Balance",
    "buy_amount": "Balance",
    "remained_sell_amount": "Balance",
    "remained_buy_amount": "Balance",
    "otype": "OrderType",
    "status": "OrderStatus"
  },
  "Trade": {
    "hash": "H256",
    "base": "H256",
    "quote": "H256",
    "buyer": "AccountId",
    "seller": "AccountId",
    "maker": "AccountId",
    "taker": "AccountId",
    "otype": "OrderType",
    "price": "Price",
    "base_amount": "Balance",
    "quote_amount": "Balance"
  },
  "OrderLinkedItem": {
    "prev": "Option<Price>",
    "next": "Option<Price>",
    "price": "Option<Price>",
    "orders": "Vec<H256>"
  }
}