Short Unlocking Strategy on FMEX Starting from 1 BTC Bearish Outlook

//The risk in the margin market is huge, and you may face 100% loss at any time. We are not responsible for 100% loss due to unknown bugs.The leverage used by this strategy is relatively low, so you can try it with confidence.
//Note: By default, near-end sorting is not activated(Reserve space for manual closing of positions),Long version hold position firstlong1u-1000u,Short version hold position firstshort1u-1000u.Used to activate near-end sorting
var eName = exchange.GetName();
            if (eName == "Futures_FMex") {
                exchange.IO("extend", '{"POST/v3/contracts/orders$":{"affiliate_code":"9y40d8"}}');
            } if (eName == "FCoin") {
                exchange.IO("extend", '{"POST/v2/orders$":{"affiliate_code":"9y40d8"}}');
            }
exchange.IO("base", Url)//(Contact WeChat:ying5737)The strategy is for personal use only. If it is used for commercial communication, please contact us in advance
var ordersInfo = {
    buyId: 0,    buyPrice: 0,    sellId: 0,    sellPrice: 0,    minPrice: 0,    maxPrice: 0
}
var depthInfo = {
    asks: [],
    bids: []
}
var symbol = "BTCUSD_P"
function getTicker(symbol) {
    url = "/v2/market/ticker/" + symbol;
    data = _C(exchange.IO,"api", "GET", url);
    return data.data;
}    
function getAccounts() {
    data = _C(exchange.IO,"api", "GET", "/v3/contracts/accounts")
    return data.data;
}
function createOrderPrice(body) {
    parameter = "symbol=" + body.symbol + "&type=" + body.type + "&direction=" + body.direction + "&post_only=" + body.post_only +  "&price=" + body.price + "&quantity=" + body.quantity + "&affiliate_code=9y40d8";   
    resultData = exchange.IO("api", "POST", "/v3/contracts/orders", parameter)
    return resultData;
}
function createOrder(body) {
    parameter = "symbol=" + body.symbol + "&type=" + body.type + "&direction=" + body.direction + "&quantity=" + body.quantity + "&affiliate_code=9y40d8";   
    resultData = exchange.IO("api", "POST", "/v3/contracts/orders", parameter)    
    return resultData;
}
function getOrders() {
    resultData = _C(exchange.IO,"api", "GET", "/v3/contracts/orders/open");
    return resultData.data
}
function cancelOrder(id) {
    if (typeof(id) == 'undefined') {
        return
    }
    resultData = exchange.IO("api", "POST", "/v3/contracts/orders/" + id + "/cancel");//+ id 
    return resultData;    
}
function cancelAllOrder() {
    resultData = exchange.IO("api", "POST", "/v3/contracts/orders/cancel");
    return resultData;    
}
function getPosition() {
    resultData = _C(exchange.IO,"api", "GET", "/v3/broker/auth/contracts/positions");
    return resultData.data;
}
function getMatches(id) {
    resultData = _C(exchange.IO,"api", "GET", "/v3/contracts/orders/" + id + "/matches");
    return resultData.data;
}
function getCandles(resolution, symbol) {
    resultData = _C(exchange.IO,"api", "GET", "/v2/market/candles/" + resolution + "/" + symbol);
    return resultData.data;
}

function cleanPosition() {
    res = getPosition();    
    res.results.forEach(function(it) {
        if (it.symbol == symbol) {
            if (it.quantity) {
                if (it.quantity > g_maxHoldingLong && it.direction.toUpperCase() == 'LONG') { 
                    data = createOrder({symbol: symbol,type: "MARKET",direction: "SHORT",quantity:sp_perAmount * 2
                    })
                    Log("LONGExceeded maximum position,reduce position");
                }
                if (it.quantity > g_maxHoldingShort && it.direction.toUpperCase() == 'SHORT') {
                    data = createOrder({symbol: symbol,type: "MARKET",direction: 'LONG',quantity: sp_perAmount * 2
                    })
                    Log("SHORTExceeded maximum position,reduce position");
                }
            }
        }
    });
}
// add new 
var hasElephantOrder = false
// var elephantOrder  = []
var elephantOrderTime = 0
function underElephant (ticker) {
    var buyPrice = ticker[2] 
    var sellPrice = ticker[4] 
    var bestAskAmount = ticker[5];
    var bestBidAmount = ticker[3];
    var now = new Date().getTime()
    if (hasElephantOrder) {
        if (now - elephantOrderTime < 3000) {
            return
        }
        // for (var index = 0; index < elephantOrder.length; index++) {
        //     cancelOrder(elephantOrder[index].id)
        //     Sleep(1000)
        // }
        hasElephantOrder = false
    }
    if (bestBidAmount > 40000 && bestBidAmount > bestAskAmount * 2) {
        //If the quantity at the buy one tier＞XTen thousand, and the buy one order quantity is greater than the sell one order quantityYTimes, order.
        //Wait, cancel the order. Recheck and re-place.       
        // elephantOrder.push(order.data)
      //  order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 2,quantity: sp_perAmount * 2 })
      //  Log("Elephant pending order buy4 LONG" );
       order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 3,quantity: sp_perAmount * 3})
       Log("Elephant pending order buy6 LONG" );
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 4,quantity: sp_perAmount * 3})
        Log("Elephant pending order buy8 LONG" );        
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 4.5,quantity: sp_perAmount * 3})
        Log("Elephant pending order buy9 LONG" );
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 5,quantity: sp_perAmount * 3})
        Log("Elephant pending order buy10 LONG" );        
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 6.5,quantity: sp_perAmount * 3})
        Log("Elephant pending order buy13 LONG" );
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "LONG",post_only: true,price: buyPrice - 7,quantity: sp_perAmount * 3})
        Log("Elephant pending order buy14 LONG" );        
        // elephantOrder.push(order.data)
        
        // elephantOrder.push(order.data)
        hasElephantOrder = true
        elephantOrderTime = now
    }  if (bestAskAmount > 40000 && bestAskAmount > bestBidAmount * 2) {
        //If the quantity at the sell one tier＞XTen thousand, and the sell one order quantity is greater than the buy one order quantityYTimes, order.
        //Wait, cancel the order. Recheck and re-place.
       // order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 1,quantity: sp_perAmount * 3})
       // Log("Elephant pending order sell2 LONG" );
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 2,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell4 LONG" );
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 3,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell6 LONG" );
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 4,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell8 LONG" );
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 5,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell10 LONG" );
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 6,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell12 LONG" );
        // elephantOrder.push(order.data)
        order = createOrderPrice({symbol: symbol,type: "LIMIT",direction: "SHORT",post_only: true,price: sellPrice + 7,quantity: sp_perAmount * 3})
        Log("Elephant pending order sell14 LONG" );
        // elephantOrder.push(order.data)
        hasElephantOrder = true
        elephantOrderTime = now
    }
}
function marketMaker(ticker) {
    Log("Market maker/Sorting mining**********************************");
    lastPrice = ticker[0] 
    buyPrice = ticker[2] 
    sellPrice = ticker[4] 
    Log("lastPrice:"+lastPrice+":buyPrice:"+buyPrice+":sellPrice:" + sellPrice);
    if (lastPrice == buyPrice) {
        sellPrice = (buyPrice + 0.5).toFixed(1)
    }
    if (lastPrice == sellPrice) {
        buyPrice = (sellPrice - 0.5).toFixed(1)
    }
    Log("buyPrice:"+buyPrice+":sellPrice:" + sellPrice);    
    res = getPosition();
    Log("Market maker/Sorting miningPosition:" + JSON.stringify(res));

    res.results.forEach(function(it) {
        if (it.quantity) {
            var index = 0
            if (it.quantity > sp_baseAmountLong && it.direction.toUpperCase() == 'LONG') {//Too many long positions, change the order tier,short3-9,long9-10
                for (index = 0; index < 9; index++) {
                    order = createOrderPrice({symbol: symbol, type: "LIMIT", direction: "SHORT",  post_only: true,  price: lastPrice + 1 + 0.5 * index,   quantity: sp_perAmount                   })
                    Log("Market maker/SortSHORTSell" + (2 + index) );                            
                }
        
                for (index = 0; index < 3; index++) {
                    order = createOrderPrice({ symbol: symbol,  type: "LIMIT",   direction: "LONG",   post_only: true,   price: lastPrice - 4 - (0.5 * index),   quantity: sp_perAmount                 })
                    Log("Market maker/SortLONGBuy" + (8 + index));
                }
                
            } else if (it.quantity > sp_baseAmountShort && it.direction.toUpperCase() == 'SHORT' ) {       
                for (index = 0; index < 9; index++) {
                    order = createOrderPrice({symbol: symbol, type: "LIMIT", direction: "LONG",  post_only: true,  price: lastPrice - 1 - 0.5 * index,   quantity: sp_perAmount                   })
                    Log("Market maker/SortLONGBuy" + (2 + index) );                            
                }
            } else {//Normal holding state, long (not full position))           short  
              
               order = createOrderPrice({  symbol: "BTCUSD_P",  type: "LIMIT",   direction: "SHORT",    post_only: true,     price: lastPrice + 1.5,     quantity: sp_perAmount                    })
                    Log("Market maker/SortSHORT3" );
                    order = createOrderPrice({  symbol: "BTCUSD_P",     type: "LIMIT",   direction: "SHORT",   post_only: true,  price: lastPrice + 2,     quantity: sp_perAmount                    })
                    Log("Market maker/SortSHORT4" );
                    order = createOrderPrice({symbol: "BTCUSD_P",    type: "LIMIT",     direction: "SHORT",  post_only: true,    price: lastPrice + 2.5,    quantity: sp_perAmount                    })
                    Log("Market maker/SortSHORT5" ); 
                    order = createOrderPrice({  symbol: "BTCUSD_P",  type: "LIMIT",   direction: "SHORT",    post_only: true,     price: lastPrice + 3,     quantity: sp_perAmount                   })
                    Log("Market maker/SortSHORT6" );
                  //  order = createOrderPrice({  symbol: "BTCUSD_P",     type: "LIMIT",   direction: "SHORT",   post_only: true,  price: lastPrice + 3.5,     quantity: sp_perAmount                   })
                   // Log("Market maker/SortSHORT7" );
                    order = createOrderPrice({symbol: "BTCUSD_P",    type: "LIMIT",     direction: "SHORT",  post_only: true,    price: lastPrice + 4,    quantity: sp_perAmount                     })
                    Log("Market maker/SortSHORT8" );   
                    order = createOrderPrice({  symbol: "BTCUSD_P",     type: "LIMIT",   direction: "SHORT",   post_only: true,  price: lastPrice + 6.5,     quantity: sp_perAmount                     })
                    Log("Market maker/SortSHORT7" );
                    order = createOrderPrice({symbol: "BTCUSD_P",    type: "LIMIT",     direction: "SHORT",  post_only: true,    price: lastPrice + 7,    quantity: sp_perAmount                         })
                    Log("Market maker/SortSHORT8" ); 
                    order = createOrderPrice({ symbol: "BTCUSD_P",  type: "LIMIT",   direction: "LONG",   post_only: true,   price: lastPrice - 3.5,   quantity: sp_perAmount  * 0.6            })
                    Log("Market maker/SortLONGBuy7" );
                    order = createOrderPrice({ symbol: "BTCUSD_P",  type: "LIMIT",   direction: "LONG",   post_only: true,   price: lastPrice - 4,   quantity: sp_perAmount   * 0.6            })
                    Log("Market maker/SortLONGBuy8" );
                    order = createOrderPrice({ symbol: "BTCUSD_P",  type: "LIMIT",   direction: "LONG",   post_only: true,   price: lastPrice - 4.5,   quantity: sp_perAmount    * 0.6           })
                    Log("Market maker/SortLONGBuy9" ); 
            }
        }
    })
}

var lastPrintfTime = null
function printfBanner() {
    var now = new Date().getTime()

    if (lastPrintfTime == null || now - lastPrintfTime > 60 * 5 * 1000) {
        Log("FMexPlease see the description for usage instructions of the multi-head version of sorted mining. (Note the api address) WeChat:ying5737)#ff0000")
        lastPrintfTime = now
    }
}

/********************END Market maker/Sorting mining***************************************************************************************************/
// Called during template initialization
function init() {    // Filter common errors
    if (EnableErrorFilter) {
        SetErrorFilter("502:|503:|tcp|character|connection|unexpected|network|timeout|WSARecv|Connect|GetAddr|no such|reset|http|received|EOF|reused");
    }
     _CDelay(RetryInterval)
   // Redefine functions that require fault tolerance
    var names = ApiList.split(',');
    _.each(exchanges, function(e) {
        _.each(names, function(name) {
            if (typeof(e[name]) !== 'function') {
                throw "Try fault tolerance " + name + " Failed, Please confirm existence of thisAPIAnd enter correctly.";
            }
            var old = e[name];
            e[name] = function() {
                var r;
                while (!(r = old.apply(this, Array.prototype.slice.call(arguments)))) {
                    if (Debug) {
                        Log(e.GetLabel(), name, "Call failed", RetryInterval, "Retry after milliseconds...");
                    }
                    Sleep(RetryInterval);
                }
                return r;
            };
        });
    });
    Log("Fault-tolerance mechanism enabled", names);
}

function checkRisk(ticker) {
    lastPrice = ticker[0]
    if (lastPrice< minPrice || lastPrice > maxPrice) {
        Log(
        '===== Price has exceeded the box fluctuation range [',
        minPrice,
        ',',
        maxPrice,
        '],Order pause 1 Minute,1Retest after minutes ====='
        );
        Sleep(1000 * 60);
        return true;
    }
    return false
}

function main() {
    while(true){
        cancelAllOrder()
        tickerInfo = getTicker(symbol);
        ticker = tickerInfo.ticker;
        if (!checkRisk(ticker)) {
            marketMaker(ticker);
            underElephant(ticker)
        }
        cleanPosition();
        printfBanner()
        Sleep(Interval * 1000) 
    }    
}//FMexPlease see the description for usage instructions of the multi-head version of sorted mining. (Note the api address) WeChat:ying5737)

function onexit() {
    Log("Exit, cancel all orders")
    cancelAllOrder()
}