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Planung für den Kauf

Schriftsteller:Null, Datum: 2014-09-24
Tags:Handelsunterstützt
Planen Sie den Kauf beauftragen, um den Kauf zu tätigen, nachdem der Preis den angegebenen Preis überschritten oder überschritten hat. Wenn Sie einen Marktpreisbuch verwenden, können Sie nur den Kaufbetrag schreiben. Wenn Sie einen Preisbuch verwenden, müssen Sie den Preis und die Anzahl der Preise festlegen.

var InitPrice = 0;
var Interval = 300;
var UseMarketOrder = (OpType == 0);

function _N(v, precision) {
    if (typeof(precision) != 'number') {
        precision = 4;
    }
    var s = v.toString().split(".");
    if (s.length < 2 || s[1].length <= precision) {
        return v;
    }
    var b = Math.pow(10, precision);
    return Math.floor(parseFloat(v.toFixed(Math.min(10, precision+5)))*b)/b;
}

function GetTicker() {
    var ticker;
    while (!(ticker = exchange.GetTicker())) {
        Sleep(Interval);
    }
    return ticker;
}


function GetDepth(e) {
    if (typeof(e) == 'undefined') {
        e = exchange;
    }
    var depth;
    while (true) {
        depth = e.GetDepth();
        if (depth && depth.Asks.length > 0 && depth.Bids.length > 0 && depth.Asks[0].Price > depth.Bids[0].Price) {
            break;
        }
        Sleep(Interval);
    }
    return depth;
}

function GetTickerFromDepth(e) {
    var depth = GetDepth(e);
    return {Buy : depth.Bids[0].Price, Sell : depth.Asks[0].Price, BuyAmount: depth.Bids[0].Amount, SellAmount: depth.Asks[0].Amount, depth: depth};
}

function GetOrders() {
    var orders;
    while (!(orders = exchange.GetOrders())) {
        Sleep(Interval);
    }
    return orders;
}

function GetAccount() {
    var account;
    while (!(account = exchange.GetAccount())) {
        Sleep(Interval);
    }
    return account;
}


function cancelPending() {
    var ret = false;
    while (true) {
        var orders = GetOrders();
        if (orders.length == 0) {
            break;
        }
        for (var j = 0; j < orders.length; j++) {
            exchange.CancelOrder(orders[j].Id, orders[j]);
            ret = true;
        }
    }
    return ret;
}

function ensureBuy() {
    var account = GetAccount();
    var initAccount = account;
    var minStock = MinStock;
    var isfirst = true;
    var c = 0;
    while (true) {
        cancelPending();
        if (!isfirst) {
            account = GetAccount();
        }
        isfirst = false;
        var needCost = _N(MarketUsedMoney - (initAccount.Balance - account.Balance));
        var ticker = GetTickerFromDepth();
        var price = _N(ticker.Sell);
        var amount = Math.min(ticker.SellAmount, _N(needCost / price));
        if (_N(needCost / price) < minStock) {
            Log('计划委托完成');
            break;
        }
        exchange.Buy(price, amount);
        Sleep(100);
    }
    var realBuy = _N(account.Stocks - initAccount.Stocks);
    return realBuy > 0 ? _N((initAccount.Balance - account.Balance) / realBuy) : 0;
}

function BuyIt() {
    if (UseMarketOrder) {
        var avgPrice = ensureBuy();
        Log("市价单买单完成, 均价: ", avgPrice);
    } else {
        var success = false;
        for (var i = 0; i < 20; i++) {
            if (exchange.Buy(BuyPrice, BuyAmount) > 0) {
                success = true;
                break;
            }
            Sleep(Interval);
        }
        Log(success ? "限价单挂单完成" : "限价单下单失败");
    }
}

function onTick() {
    var doIt = false;
    var ticker = GetTicker();
    if (InitPrice > TriggerPrice && ticker.Last < TriggerPrice) {
        Log('价格跌破 ', TriggerPrice, '元, 开始按计划买入');
        BuyIt();
        doIt = true;
    } else if (InitPrice < TriggerPrice && ticker.Last > TriggerPrice) {
        Log('价格涨超 ', TriggerPrice, '元, 开始按计划买入');
        BuyIt();
        doIt = true;
    }
    return doIt;
}

function main() {
    var account = GetAccount();
    var ticker = GetTicker();
    Log('当前账户: ', account);
    if (account.Balance < (UseMarketOrder ? MarketUsedMoney : (BuyPrice * BuyAmount))) {
        throw "账户没有足够的钱买来币";
    }
    
    InitPrice = ticker.Last;
    
    if (UseMarketOrder) {
        msg = '时使用市价买入 ' + MarketUsedMoney + ' 元的 ' + exchange.GetCurrency();
    } else {
        msg = '时使用限价 ' + BuyPrice + ' 买入 ' + BuyAmount + '个 ' + exchange.GetCurrency();
    }
    
    Log('当前价格: ', InitPrice, ticker.Last > TriggerPrice ? '价格跌破' : '价格涨超', TriggerPrice, msg);
    
    while (!onTick()) {
        Sleep(LoopInterval);
    }
}
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