策略代码

var Shannon = {
    // member
    e : exchanges[0],
    arrPlanOrders : [],
    distance : BalanceDistance,
    account : null,
    ticker : null, 
    initAccount : null,
    isAskPending : false,
    isBidPending : false,

    // function 
    CancelAllOrders : function (e) {
        while(true) {
            var orders = _C(e.GetOrders)
            if(orders.length == 0) {
                return 
            }
            Sleep(500)
            for(var i = 0; i < orders.length; i++) {
                e.CancelOrder(orders[i].Id, orders[i])
                Sleep(500)
            }
        }
    },

    Balance : function () {
        if (this.arrPlanOrders.length == 0) {
            this.CancelAllOrders(this.e)
            var acc = _C(this.e.GetAccount)
            this.account = acc
            var askPendingPrice = (this.distance + acc.Balance) / acc.Stocks
            var bidPendingPrice = (acc.Balance - this.distance) / acc.Stocks
            var askPendingAmount = this.distance / 2 / askPendingPrice
            var bidPendingAmount = this.distance / 2 / bidPendingPrice

            this.arrPlanOrders.push({tradeType : "ask", price : askPendingPrice, amount : askPendingAmount}) 
            this.arrPlanOrders.push({tradeType : "bid", price : bidPendingPrice, amount : bidPendingAmount})
        } else if(this.isAskPending == false && this.isBidPending == false) {
            for(var i = 0; i < this.arrPlanOrders.length; i++) {
                var tradeFun = this.arrPlanOrders[i].tradeType == "ask" ? this.e.Sell : this.e.Buy
                var id = tradeFun(this.arrPlanOrders[i].price, this.arrPlanOrders[i].amount)
                if(id) {
                    this.isAskPending = this.arrPlanOrders[i].tradeType == "ask" ? true : this.isAskPending
                    this.isBidPending = this.arrPlanOrders[i].tradeType == "bid" ? true : this.isBidPending
                } else {
                    Log("挂单失败，清理！")
                    this.CancelAllOrders(this.e)
                    return 
                }
            }
        }

        if(this.isBidPending || this.isAskPending) {
            var orders = _C(this.e.GetOrders)
            Sleep(1000)
            var ticker = _C(this.