Artículo relacionado:https://www.fmz.com/digest-topic/9794
//信号结构
var Template = {
Flag: "45M103Buy", // 标识,可随意指定
Exchange: 1, // 指定交易所交易对
Currency: "BTC_USDT", // 交易对
ContractType: "swap", // 合约类型,swap,quarter,next_quarter,现货填写spot
Price: "{{close}}", // 开仓或者平仓价格,-1为市价
Action: "buy", // 交易类型[ buy:现货买入 , sell:现货卖出 , long:期货做多 , short:期货做空 , closesell:期货买入平空 , closebuy:期货卖出平多]
Amount: "0", // 交易量
}
var BaseUrl = "https://www.fmz.com/api/v1" // FMZ扩展API接口地址
var RobotId = _G() // 当前实盘ID
var Success = "#5cb85c" // 成功颜色
var Danger = "#ff0000" // 危险颜色
var Warning = "#f0ad4e" // 警告颜色
var buffSignal = []
// 校验信号消息格式
function DiffObject(object1, object2) {
const keys1 = Object.keys(object1)
const keys2 = Object.keys(object2)
if (keys1.length !== keys2.length) {
return false
}
for (let i = 0; i < keys1.length; i++) {
if (keys1[i] !== keys2[i]) {
return false
}
}
return true
}
function CheckSignal(Signal) {
Signal.Price = parseFloat(Signal.Price)
Signal.Amount = parseFloat(Signal.Amount)
if (Signal.Exchange <= 0 || !Number.isInteger(Signal.Exchange)) {
Log("交易所最小编号为1，并且为整数", Danger)
return
}
if (Signal.Amount <= 0 || typeof(Signal.Amount) != "number") {
Log("交易量不能小于0，并且为数值类型", typeof(Signal.Amount), Danger)
return
}
if (typeof(Signal.Price) != "number") {
Log("价格必须是数值", Danger)
return
}
if (Signal.ContractType == "spot" && Signal.Action != "buy" && Signal.Action != "sell") {
Log("指令为操作现货，Action错误，Action：", Signal.Action, Danger)
return
}
if (Signal.ContractType != "spot" && Signal.Action != "long" && Signal.Action != "short" && Signal.Action != "closesell" && Signal.Action != "closebuy") {
Log("指令为操作期货，Action错误，Action：", Signal.Action, Danger)
return
}
return true
}
function commandRobot(url, accessKey, secretKey, robotId, cmd) {
// https://www.fmz.com/api/v1?access_key=xxx&secret_key=xxx&method=CommandRobot&args=[xxx,+""]
url = url + '?access_key=' + accessKey + '&secret_key=' + secretKey + '&method=CommandRobot&args=[' + robotId + ',+""]'
var postData = {
method:'POST',
data:cmd
}
var headers = "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36\nContent-Type: application/json"
var ret = HttpQuery(url, postData, "", headers)
Log("模拟TradingView的webhook请求，发送用于测试的POST请求：", url, "body:", cmd, "应答：", ret)
}
function createManager() {
var self = {}
self.tasks = []
self.process = function() {
var processed = 0
if (self.tasks.length > 0) {
_.each(self.tasks, function(task) {
if (!task.finished) {
processed++
// self.pollTask(task)
if (task.tid) {
var ret = __threadPeekMessage(task.tid, -1)
if (ret) {
task = ret
}
Log("AAAA:", ret) // 测试
__threadJoin(task.tid)
Log("BBBB:", ret) // 测试
__threadTerminate(task.tid)
Log("CCCC:", ret) // 测试
}
if (!task.finished) {
var tid = __Thread(pollTask)
task.tid = tid
__threadPostMessage(tid, task)
}
}
})
if (processed == 0) {
self.tasks = []
}
}
}
self.newTask = function(signal) {
// {"Flag":"45M103Buy","Exchange":1,"Currency":"BTC_USDT","ContractType":"swap","Price":"10000","Action":"buy","Amount":"0"}
var task = {}
task.Flag = signal["Flag"]
task.Exchange = signal["Exchange"]
task.Currency = signal["Currency"]
task.ContractType = signal["ContractType"]
task.Price = signal["Price"]
task.Action = signal["Action"]
task.Amount = signal["Amount"]
task.exchangeIdx = signal["Exchange"] - 1
task.pricePrecision = null
task.amountPrecision = null
task.error = null
task.exchangeLabel = exchanges[task.exchangeIdx].GetLabel()
task.finished = false
task.tid = null
Log("创建任务：", task)
self.tasks.push(task)
}
var pollTask = function() {
function getPrecision(n) {
var precision = null
var arr = n.toString().split(".")
if (arr.length == 1) {
precision = 0
} else if (arr.length == 2) {
precision = arr[1].length
}
return precision
}
// get task
var task = __threadPeekMessage(0, -1)
var e = exchanges[task.exchangeIdx]
var name = e.GetName()
var isFutures = true
e.SetCurrency(task.Currency)
if (task.ContractType != "spot" && name.indexOf("Futures_") != -1) {
// 非现货，则设置合约
e.SetContractType(task.ContractType)
} else if (task.ContractType == "spot" && name.indexOf("Futures_") == -1) {
isFutures = false
} else {
task.error = "指令中的ContractType与配置的交易所对象类型不匹配"
task.finished = true
__threadPostMessage(0, task)
return
}
var depth = e.GetDepth()
if (!depth || !depth.Bids || !depth.Asks) {
task.error = "订单薄数据异常"
__threadPostMessage(0, task)
return
}
if (depth.Bids.length == 0 && depth.Asks.length == 0) {
task.error = "盘口无订单"
__threadPostMessage(0, task)
return
}
var paramPricePrecision = null
var paramAmountPrecision = null
// _.each([depth.Bids, depth.Asks], function(arr) {
var arrBidsAsks = [depth.Bids, depth.Asks]
arrBidsAsks.forEach(function(arr) {
// _.each(arr, function(order) {
arr.forEach(function(order) {
var pricePrecision = getPrecision(order.Price)
var amountPrecision = getPrecision(order.Amount)
if (Number.isInteger(pricePrecision) && !Number.isInteger(paramPricePrecision)) {
paramPricePrecision = pricePrecision
} else if (Number.isInteger(paramPricePrecision) && Number.isInteger(pricePrecision) && pricePrecision > paramPricePrecision) {
paramPricePrecision = pricePrecision
}
if (Number.isInteger(amountPrecision) && !Number.isInteger(paramAmountPrecision)) {
paramAmountPrecision = amountPrecision
} else if (Number.isInteger(paramAmountPrecision) && Number.isInteger(amountPrecision) && amountPrecision > paramAmountPrecision) {
paramAmountPrecision = amountPrecision
}
})
})
if (!Number.isInteger(paramPricePrecision) || !Number.isInteger(paramAmountPrecision)) {
task.err = "获取精度失败"
__threadPostMessage(0, task)
return
}
e.SetPrecision(paramPricePrecision, paramAmountPrecision)
// buy:现货买入 , sell:现货卖出 , long:期货做多 , short:期货做空 , closesell:期货买入平空 , closebuy:期货卖出平多
var direction = null
var tradeFunc = null
if (isFutures) {
switch (task.Action) {
case "long":
direction = "buy"
tradeFunc = e.Buy
break
case "short":
direction = "sell"
tradeFunc = e.Sell
break
case "closesell":
direction = "closesell"
tradeFunc = e.Buy
break
case "closebuy":
direction = "closebuy"
tradeFunc = e.Sell
break
}
if (!direction || !tradeFunc) {
task.error = "交易方向错误：" + task.Action
task.finished = true
__threadPostMessage(0, task)
return
}
e.SetDirection(direction)
} else {
if (task.Action == "buy") {
tradeFunc = e.Buy
} else if (task.Action == "sell") {
tradeFunc = e.Sell
} else {
task.error = "交易方向错误：" + task.Action
task.finished = true
__threadPostMessage(0, task)
return
}
}
var id = tradeFunc(task.Price, task.Amount)
if (!id) {
task.error = "下单失败"
}
task.finished = true
__threadPostMessage(0, task)
}
return self
}
var manager = createManager()
function HandleCommand(signal) {
// 检测是否收到交互指令
if (signal) {
Log("收到交互指令：", signal) // 收到交互指令，打印交互指令
} else {
return // 没有收到时直接返回，不做处理
}
// 检测交互指令是否是测试指令，测试指令可以由当前策略交互控件发出来进行测试
if (signal.indexOf("TestSignal") != -1) {
signal = signal.replace("TestSignal:", "")
// 调用FMZ扩展API接口，模拟Trading View的webhook，交互按钮TestSignal发送的消息：{"Flag":"45M103Buy","Exchange":1,"Currency":"BTC_USDT","ContractType":"swap","Price":"10000","Action":"buy","Amount":"0"}
commandRobot(BaseUrl, FMZ_AccessKey, FMZ_SecretKey, RobotId, signal)
} else if (signal.indexOf("evalCode") != -1) {
var js = signal.split(':', 2)[1]
Log("执行调试代码:", js)
eval(js)
} else {
// 处理信号指令
objSignal = JSON.parse(signal)
if (DiffObject(Template, objSignal)) {
Log("接收到交易信号指令：", objSignal)
buffSignal.push(objSignal)
// 检查交易量、交易所编号
if (!CheckSignal(objSignal)) {
return
}
// 创建任务
manager.newTask(objSignal)
} else {
Log("指令无法识别", signal)
}
}
}
function main() {
if (isLogReset) {
LogReset(1)
}
Log("WebHook地址:", "https://www.fmz.com/api/v1?access_key=" + FMZ_AccessKey + "&secret_key=" + FMZ_SecretKey + "&method=CommandRobot&args=[" + RobotId + ',+""]', Danger)
Log("交易类型[ buy:现货买入 , sell:现货卖出 , long:期货做多 , short:期货做空 , closesell:期货买入平空 , closebuy:期货卖出平多]", Danger)
Log("指令模板:", JSON.stringify(Template), Danger)
while (true) {
try {
// 处理交互
HandleCommand(GetCommand())
// 处理任务
manager.process()
if (buffSignal.length > maxBuffSignalRowDisplay) {
buffSignal.shift()
}
var buffSignalTbl = {
"type" : "table",
"title" : "信号记录",
"cols" : ["Flag", "Exchange", "Currency", "ContractType", "Price", "Action", "Amount"],
"rows" : []
}
for (var i = buffSignal.length - 1 ; i >= 0 ; i--) {
buffSignalTbl.rows.push([buffSignal[i].Flag, buffSignal[i].Exchange, buffSignal[i].Currency, buffSignal[i].ContractType, buffSignal[i].Price, buffSignal[i].Action, buffSignal[i].Amount])
}
LogStatus(_D(), "\n", "`" + JSON.stringify(buffSignalTbl) + "`")
Sleep(1000 * SleepInterval)
} catch (error) {
Log("e.name:", error.name, "e.stack:", error.stack, "e.message:", error.message)
Sleep(1000 * 10)
}
}
}