event.positions) { Log(“account update”, event) } if (event.orders) { Log(“private orders update”, event) }
// include orders, positions, balance for latest
Log("account", ctx.wsPrivate.account)
// for test only
if (false) {
return {
amendOrders: [{
instId: event.instId,
clOrdId: "xxxx*****",
cxlOnFail: true,
newSz: "2",
}],
newOrders: [{
instId: event.instId,
clOrdId: UUID(),
side: "sell",
tdMode: "cross",
ordType: "post_only",
px: event.depth.asks[0].price.toFixed(4),
sz: "1",
}, {
instId: event.instId,
clOrdId: UUID(),
side: "sell",
tdMode: "cross",
ordType: "post_only",
px: event.depth.asks[0].price.toFixed(4),
sz: "1",
}],
cancelOrders: [{
instId: order.instId,
clOrdId: order.Id
}]
}
}
}
function main() { let instId = exchange.SetContractType(“swap”).InstrumentID
let ctx = $.NewWSS(exchange, function(ws) {
let msg = null
if (exchange.GetName() === 'Futures_OKCoin') {
msg = {
op: "subscribe",
args: [{
channel: "books5",
instId: instId,
}, {
channel: "trades",
instId: instId,
}]
}
} else {
let symbol = exchange.GetCurrency().replace('_', '').toLowerCase()
msg = {
method: "SUBSCRIBE",
params: [symbol + "@aggTrade", symbol + "@depth20@100ms"],
id: "1",
}
}
ws.write(JSON.stringify(msg))
Log("subscribe", msg, "channel")
LogStatus("Ready")
}, onTick, Debug)
while (true) {
ctx.poll()
EventLoop(1000)
}
}
The running status is as follows, you can also subscribe to multiple symbols in the subscribe function
The following is the a common market maker robot for OKX and Binance based on this template
/* jshint esversion: 6 */
// AccessKey and Phassphrase only need if OKX
$.NewWSS = function(e, onWSSLogin, onWSSTick, Debug, UseMargin, AccessKey, Passphrase) {
function NewOKXWebSocketPrivate(ctx) {
let self = {
ws: null,
isReadyDic: {},
lastPing: 0,
ctx: ctx,
account: {
orders: {},
cancelPending: {},
ordersCount: {
pending: 0,
buy: 0,
amend: 0,
canceled: 0,
filled: 0,
push: 0,
sell: 0
},
positions: {},
balance: {},
init_balance: {},
balanceUpdate: 0,
positionsUpdate: 0,
ordersUpdate: 0
}
}
let acc = _C(ctx.e.GetAccount)
let pair = ctx.e.GetCurrency().split('_')
self.account.balance[pair[1]] = {
free: acc.Balance,
borrowed: 0,
locked: 0
}
self.account.balance[pair[0]] = {
free: acc.Stock,
borrowed: 0,
locked: 0
}
self.account.init_balance[pair[1]] = {
free: acc.Balance,
borrowed: 0,
locked: 0
}
self.account.init_balance[pair[0]] = {
free: acc.Stock,
borrowed: 0,
locked: 0
}
self.reset = function() {
if (self.ws) {
self.ws.close()
self.ws = null
}
self.isReadyDic = {}
}
self.send = function(msg) {
if (!self.ws) {
return
}
self.ws.write(JSON.stringify(msg))
}
self.getOrdersMap = function(instId) {
let mp = self.account.orders[instId]
if (typeof(mp) === 'undefined') {
mp = {}
self.account.orders[instId] = mp
}
return mp
}
self.batchOrders = function(orders) {
for (let i = 0; i < orders.length; i += 20) {
self.send({
"id": "batchOrders",
"op": "batch-orders",
"args": orders.slice(i, i + 20)
})
if (Debug) {
Log("batchOrders", orders.slice(i, i + 20))
}
}
let ts = new Date().getTime()
orders.forEach(function(item) {
let mp = self.getOrdersMap(item.instId)
mp[item.clOrdId] = {
Id: item.clOrdId,
Created: ts,
instId: item.instId,
Price: Number(item.px),
Amount: Number(item.sz),
Type: item.side == "sell" ? ORDER_TYPE_SELL : ORDER_TYPE_BUY,
DealAmount: 0,
Status: ORDER_STATE_PENDING
}
})
}
self.cancelOrders = function(orders) {
let ts = new Date().getTime()
orders.forEach(function(item) {
if (typeof(self.account.cancelPending[item.clOrdId]) === 'undefined') {
self.account.cancelPending[item.clOrdId] = {
retry: 0,
ts: ts,
data: item
}
}
})
// remove from orders
orders.forEach(function(item) {
delete self.getOrdersMap(item.instId)[item.clOrdId]
})
for (let id in self.account.cancelPending) {
let item = self.account.cancelPending[id]
if (ts - item.ts > 10000) {
// recancel
orders.push(item.data)
Log("remove timeout order", item, "#ff0000")
item.retry += 1
item.ts = ts
}
if (item.retry > 10) {
Log("force remove order", item, "#ff0000")
delete self.account.cancelPending[id]
}
}
for (let i = 0; i < orders.length; i += 20) {
self.send({
"id": "cancelOrders",
"op": "batch-cancel-orders",
"args": orders.slice(i, i + 20)
})
}
if (Debug) {
Log("cancelOrders", orders)
}
}
self.amendOrders = function(orders) {
let ts = new Date().getTime()
orders.forEach(function(item) {
let order = self.getOrdersMap(item.instId)[item.clOrdId]
if (order) {
order.Price = Number(item.newPx)
order.Amount = Number(item.newSz)
order.Update = undefined
order.Created = ts
}
})
self.send({
"id": "amendOrders",
"op": "batch-amend-orders",
"args": orders,
})
if (Debug) {
Log("amendOrders", orders)
}
}
self.processOrders = function(data, reset) {
let ret = []
if (Debug) {
Log("ORDERS: ", data)
}
if (reset) {
self.account.orders = {}
for (let k in self.account.ordersCount) {
self.account.ordersCount[k] = 0
}
}
data.forEach(function(item) {
let mp = self.getOrdersMap(item.instId)
let dataOrder = {
Id: item.clOrdId,
instId: item.instId,
Info: item,
Price: Number(item.px),
Amount: Number(item.sz),
Update: Number(item.uTime || item.cTime),
Created: Number(item.cTime),
Type: item.side == "buy" ? ORDER_TYPE_BUY : ORDER_TYPE_SELL,
DealAmount: Number(item.accFillSz)
}
if (item.state == "canceled") {
dataOrder.Status = ORDER_STATE_CANCELED
self.account.ordersCount.canceled += 1
self.account.ordersCount.pending -= 1
} else if (item.state == "live") {
dataOrder.Status = ORDER_STATE_PENDING
if (item.amendResult == "0") {
self.account.ordersCount.amend += 1
} else {
self.account.ordersCount.push += 1
self.account.ordersCount.pending += 1
}
} else if (item.state == "partially_filled") {
dataOrder.Status = ORDER_STATE_PENDING
} else if (item.state == "filled") {
dataOrder.Status = ORDER_STATE_CLOSED
self.account.ordersCount.filled += 1
self.account.ordersCount.pending -= 1
} else {
throw "unknow order state " + JSON.stringify(item)
}
// remove from cancelPending orders
if (dataOrder.Status != ORDER_STATE_PENDING) {
delete self.account.cancelPending[dataOrder.Id]
if (Debug) {
Log("remove from cancel pending orders", dataOrder)
}
}
// update anyway
let oldOrder = mp[dataOrder.Id]
if ((!oldOrder) || (dataOrder.DealAmount != oldOrder.DealAmount)) {
if (item.state == "partially_filled" || item.state == "filled") {
Log(item.state, item.side, dataOrder, (item.clOrdId.indexOf('YYYYY') == 0 ? '#ff0000' : ''))
}
}
let update = false
if (dataOrder.Status == ORDER_STATE_PENDING) {
// 修改订单的命令还没返回就收到了new订单的update导致时间序列错乱
if (oldOrder) {
update = true
Object.assign(oldOrder, dataOrder)
} else {
mp[dataOrder.Id] = dataOrder
update = true
}
if (Debug) {
let suffix = ''
if (self.ctx.depth) {
suffix = 'bid:' + JSON.stringify(self.ctx.depth.bids[0]) + ', ask:' + JSON.stringify(self.ctx.depth.asks[0])
}
Log("update order", Boolean(oldOrder), mp[dataOrder.Id], item, suffix)
}
} else {
update = true
if (oldOrder) {
// avoid ref
oldOrder.Status = dataOrder.Status
delete mp[dataOrder.Id]
}
if (Debug) {
Log("order " + item.state, dataOrder)
}
}
if (update) {
ret.push(dataOrder)
}
self.account.ordersUpdate = Number(item.uTime || item.cTime)
})
return ret
}
self.processMsg = function(msg) {
if (Debug) {
Log("MSG:", msg)
}
let obj = JSON.parse(msg)
if (obj.event == "error") {
Log("Error:", obj.msg)
Sleep(1000)
self.ws.close()
} else if (obj.event == "login") {
Log("Login success")
self.ws.write(JSON.stringify({
"op": "subscribe",
"args": [{
"channel": "balance_and_position"
}, {
"channel": "orders",
"instType": "ANY"
}]
}))
} else if (obj.event == "subscribe") {
Log("subscribe OK", obj.arg.channel)
if (obj.arg.channel == "orders" && !self.isReadyDic["orders"]) {
let ret = self.ctx.e.IO("api", "GET", "/api/v5/trade/orders-pending")
if (ret && ret.code == "0") {
self.processOrders(ret.data, true)
Log("pocess orders ok", self.account.ordersCount)
} else {
Log("process order failed", ret, "#ff0000")
}
self.isReadyDic["orders"] = true
}
} else if (obj && obj.arg && obj.data && obj.data.length > 0) {
let event = {}
if (obj.arg.channel == 'balance_and_position') {
if (Debug) {
Log(obj, "#ff0000")
}
event.ts = Number(obj.data[0].pTime)
if (obj.data[0].posData) {
let positions = {}
obj.data[0].posData.forEach(function(item) {
if (typeof(positions[item.instId]) === 'undefined') {
positions[item.instId] = 0
}
positions[item.instId] = {
Amount: Number(item.pos),
Price: Number(item.avgPx)
}
self.account.positionsUpdate = Number(item.uTime)
})
for (let instId in positions) {
self.account.positions[instId] = positions[instId]
}
event.positions = positions
}
if (obj.data[0].balData) {
let balance = {}
obj.data[0].balData.forEach(function(item) {
balance[item.ccy] = {
free: Number(item.cashBal),
locked: 0
}
self.account.balanceUpdate = Number(item.uTime)
})
for (let instId in balance) {
self.account.balance[instId] = balance[instId]
}
event.balance = balance
}
self.isReadyDic["account"] = true
} else if (obj.arg.channel == 'orders') {
event.orders = self.processOrders(obj.data)
event.ts = Number(obj.data[0].uTime)
} else {
// {"id":"amendOrders","op":"batch-amend-orders" ...}
//Log("DATA RECV", "<" + msg + ">")
}
// position change
if (event.ts) {
self.ctx.processTick(event)
}
} else {
//Log("RECV", "<" + msg + ">")
}
}
self.poll = function(timeout) {
if (typeof(AccessKey) === 'undefined' || AccessKey.length == 0) {
return
}
let ts = new Date().getTime()
if (self.lastPing == 0) {
self.lastPing = ts
}
if (self.ws == null) {
self.ws = Dial("wss://ws.okx.com:8443/ws/v5/private")
if (self.ws) {
let tsStr = (ts / 1000).toString()
let authMsg = {
"op": "login",
"args": [{
"apiKey": AccessKey,
"passphrase": Passphrase,
"timestamp": tsStr,
"sign": self.ctx.e.HMAC("sha256", "base64", tsStr + "GET" + "/users/self/verify", "{{secretkey}}")
}]
}
self.ws.write(JSON.stringify(authMsg))
}
}
if (!self.ws) {
return;
}
if (ts - self.lastPing > 10000) {
self.ws.write("ping")
self.lastPing = ts
}
let lastRead = false
while (true) {
let msg = self.ws.read(-1)
if (msg == "") {
self.reset()
break
}
if (msg == null) {
if (typeof(timeout) == 'number' && timeout > 0) {
msg = self.ws.read(timeout)
lastRead = true
}
}
if (msg != null && msg != "") {
if (msg != "pong" && msg != "ping") {
self.processMsg(msg)
}
} else {
break
}
if (lastRead) {
break
}
}
}
return self
}
function NewOKXWebSocketPublic(e, onLogin, onTick) {
var crc32 = function(r) {
for (var a, o = [], c = 0; c < 256; c++) {
a = c;
for (var f = 0; f < 8; f++) a = 1 & a ? 3988292384 ^ a >>> 1 : a >>> 1;
o[c] = a
}
for (var n = -1, t = 0; t < r.length; t++) n = n >>> 8 ^ o[255 & (n ^ r.charCodeAt(t))];
return (-1 ^ n) >>> 0
};
let self = {
e: e,
key: e.GetName() + '/' + e.GetCurrency(),
quoteCurrency: e.GetQuoteCurrency(),
name: e.GetName(),
isFutures: e.GetName().indexOf("Futures_") == 0,
ws: null,
cache: {},
channles: [],
depthCount: 0,
depthConsumed: 0,
lastPing: 0,
depthDic: {},
lastMarket: 0
}
self.wsPrivate = NewOKXWebSocketPrivate(self)
self.processTick = function(event) {
if (typeof(onTick) !== 'function') {
return
}
let ret = onTick(self, event)
if (ret) {
if (ret.newOrders && ret.newOrders.length > 0) {
ret.ctx.wsPrivate.batchOrders(ret.newOrders)
}
if (ret.amendOrders && ret.amendOrders.length > 0) {
ret.ctx.wsPrivate.amendOrders(ret.amendOrders)
}
if (ret.cancelOrders && ret.cancelOrders.length > 0) {
ret.ctx.wsPrivate.cancelOrders(ret.cancelOrders)
}
}
}
self.processMsg = function(msg) {
if (Debug) {
Log("MSG:", msg)
}
let obj = JSON.parse(msg)
if (obj.event == 'subscribe') {
self.channles.push(obj)
} else if (obj.event == 'error') {
throw obj.msg
} else if (obj.event == 'login') {
self.channles = []
if (typeof(onLogin) === 'function') {
onLogin(self.ws, self.e)
}
} else {
self.lastMarket = new Date().getTime();
let instId = obj.arg.instId
let event = {
instId: instId
}
obj.data.forEach(function(item) {
if (obj.arg.channel == 'trades') {
if (typeof(event.trades) === 'undefined') {
event.trades = []
}
event.ts = Number(item.ts)
event.trades.push({
ts: Number(item.ts),
side: item.side,
price: Number(item.px),
qty: Number(item.sz)
})
} else if (obj.arg.channel == 'books5' || obj.arg.channel == 'books' || obj.arg.channel == 'books50-l2-tbt') {
let tsBegin = UnixNano()
let depth = {
asks: [],
bids: []
}
if (obj.arg.channel == 'books5') {
item.asks.forEach(function(pair) {
depth.asks.push({
price: Number(pair[0]),
qty: Number(pair[1])
})
})
item.bids.forEach(function(pair) {
depth.bids.push({
price: Number(pair[0]),
qty: Number(pair[1])
})
})
} else {
let depthDic = self.depthDic[instId]
if (typeof(depthDic) === 'undefined') {
depthDic = {
count: 0,
dic: {
asks: {},
bids: {}
}
}
self.depthDic[instId] = depthDic
}
depthDic.count += 1
for (let k in depthDic.dic) {
if (obj.action == 'snapshot') {
depthDic.dic[k] = {}
}
let mp = depthDic.dic[k]
item[k].forEach(function(book) {
if (book[1] == '0') {
delete mp[book[0]]
} else {
mp[book[0]] = [book[1], book[3], item['ts']]
}
})
}
for (let k in depth) {
let n = k == 'asks' ? 1 : -1
let mp = depthDic.dic[k]
Object.keys(depthDic.dic[k]).sort(function(a, b) {
return n * (Number(a) - Number(b))
}).forEach(function(x) {
// keep string for
depth[k].push({
price: x,
qty: mp[x][0]
})
})
}
if (depthDic.count % 5000 == 0) {
let s = []
for (let i = 0; i < 25; i++) {
['bids', 'asks'].forEach(function(k) {
if (i < depth[k].length) {
s.push(depth[k][i].price + ':' + depth[k][i].qty)
}
})
}
if (crc32(s.join(":")) != Uint32Array.from(Int32Array.of(item.checksum))[0]) {
throw "depth checksum error"
}
}
// convert to number
for (let dir in depth) {
let books = depth[dir]
for (let i = 0; i < books.length; i++) {
books[i].price = Number(books[i].price)
books[i].qty = Number(books[i].qty)
}
}
}
event.depth = depth
event.ts = Number(item.ts)
}
})
if (event.ts) {
self.processTick(event)
}
}
}
self.isReady = function() {
return self.wsPrivate.isReadyDic["account"] && self.wsPrivate.isReadyDic["orders"]
}
self.reset = function() {
if (self.ws) {
self.ws.close()
self.ws = null
}
self.depthDic = {}
self.isReadyDic = {}
}
self.poll = function(timeout) {
let ts = new Date().getTime()
if (self.lastPing == 0) {
self.lastPing = ts
}
if (!self.ws) {
self.ws = Dial("wss://ws.okx.com:8443/ws/v5/public")
if (!self.ws) {
return
}
if (typeof(AccessKey) === 'undefined' || AccessKey.length == 0) {
if (typeof(onLogin) === 'function') {
onLogin(self.ws, self.e)
}
} else {
let tsStr = (new Date().getTime() / 1000).toString()
let authMsg = {
"op": "login",
"args": [{
"apiKey": AccessKey,
"passphrase": Passphrase,
"timestamp": tsStr,
"sign": self.e.HMAC("sha256", "base64", tsStr + "GET" + "/users/self/verify", "{{secretkey}}")
}]
}
self.ws.write(JSON.stringify(authMsg))
}
}
if (!self.ws) {
return
}
if (ts - self.lastPing > 10000) {
self.ws.write("ping")
self.lastPing = ts
}
let lastRead = false
while (true) {
let msg = self.ws.read(-1)
if (msg == "") {
self.reset()
break
}
if (msg == null) {
if (typeof(timeout) == 'number' && timeout > 0) {
msg = self.ws.read(timeout)
lastRead = true
}
}
if (msg != null && msg != "") {
if (msg != "pong") {
self.wsPrivate.poll()
self.processMsg(msg)
self.wsPrivate.poll()
}
} else {
break
}
if (lastRead) {
break
}
}
self.wsPrivate.poll()
}
return self
}
function NewBinanceSocketPrivate(ctx) {
let self = {
ws: null,
isFutures: ctx.isFutures,
isReadyDic: {},
lastPing: 0,
ctx: ctx,
useMargin: UseMargin,
quoteCurrency: ctx.e.GetQuoteCurrency(),
listenKey: null,
listenKeyUpdate: 0,
account: {
cancelPending: {},
orders: {},
ordersCount: {
pending: 0,
buy: 0,
amend: 0,
canceled: 0,
filled: 0,
push: 0,
sell: 0
},
positions: {},
balance: {},
init_balance: {},
balanceUpdate: 0,
positionsUpdate: 0,
ordersUpdate: 0
}
}
if (ctx.isFutures) {
// TODO change to api
let positions = _C(exchange.GetPosition)
positions.forEach(function(pos) {
// avoid self.instId
self.account.positions[self.instId] = {
Amount: pos.Amount * (pos.Type == PD_LONG ? 1 : -1),
Price: pos.Price
}
})
}
let pair = ctx.e.GetCurrency().split('_')
if (self.useMargin && !ctx.isFutures) {
let ret = _C(ctx.e.IO, "api", "GET", "/sapi/v1/margin/account")
ret.userAssets.forEach(function(item) {
if (item.asset == pair[0] || item.asset == pair[1]) {
self.account.balance[item.asset] = {
free: Number(item.free),
locked: Number(item.locked),
borrowed: Number(item.borrowed),
}
self.account.init_balance[item.asset] = {
free: Number(item.free),
locked: Number(item.locked),
borrowed: Number(item.borrowed)
}
}
})
self.tradePath = "/sapi/v1/margin/order"
} else {
let acc = _C(ctx.e.GetAccount)
self.account.balance[pair[1]] = {
free: acc.Balance,
locked: acc.FrozenBalance,
borrowed: 0
}
self.account.balance[pair[0]] = {
free: acc.Stocks,
locked: acc.FrozenStocks,
borrowed: 0
}
self.account.init_balance[pair[1]] = {
free: acc.Balance,
locked: acc.FrozenBalance,
borrowed: 0
}
self.account.init_balance[pair[0]] = {
free: acc.Stocks,
locked: acc.FrozenStocks,
borrowed: 0
}
self.tradePath = "/api/v3/order"
}
Log(ctx.e.GetName(), self.account.init_balance)
self.getOrdersMap = function(instId) {
let mp = self.account.orders[instId]
if (typeof(mp) === 'undefined') {
mp = {}
self.account.orders[instId] = mp
}
return mp
}
self.reset = function() {
if (self.ws) {
self.ws.close()
self.ws = null
}
self.isReadyDic = {}
}
self.send = function(msg) {
if (!self.ws) {
return
}
self.ws.write(JSON.stringify(msg))
}
self.batchOrders = function(orders) {
let args = []
let ts = new Date().getTime()
orders.forEach(function(item) {
args.push({
symbol: item.instId,
side: item.side.toUpperCase(),
newClientOrderId: item.clOrdId,
type: "LIMIT",
price: item.px,
quantity: item.sz,
timeInForce: "GTX",
})
self.getOrdersMap(item.instId)[item.clOrdId] = {
Id: item.clOrdId,
Created: ts,
instId: item.instId,
Price: Number(item.px),
Amount: Number(item.sz),
Type: item.side == "sell" ? ORDER_TYPE_SELL : ORDER_TYPE_BUY,
DealAmount: 0,
Status: ORDER_STATE_PENDING
}
})
let rets = []
if (self.ctx.isFutures) {
for (let i = 0; i < args.length; i += 5) {
let ret = self.ctx.e.IO("api", "POST", "/fapi/v1/batchOrders", "", JSON.stringify({
batchOrders: args.slice(i, i + 5)
}))
if (Debug) {
Log("batchOrders", args, ret)
}
rets.push(ret)
}
} else {
orders.forEach(function(order) {
let ret = self.ctx.e.IO("api", "POST", self.tradePath, "", JSON.stringify(order))
if (Debug) {
Log("batchOrders", args, ret)
}
rets.push(ret)
})
}
return rets
}
self.cancelOrders = function(orders) {
let ts = new Date().getTime()
orders.forEach(function(item) {
if (typeof(self.account.cancelPending[item.clOrdId]) === 'undefined') {
self.account.cancelPending[item.clOrdId] = {
retry: 0,
ts: ts,
data: item
}
}
})
for (let id in self.account.cancelPending) {
let item = self.account.cancelPending[id]
if (ts - item.ts > 10000) {
// recancel
orders.push(item.data)
Log("remove timeout order", item, "#ff0000")
item.retry += 1
item.ts = ts
}
if (item.retry > 10) {
Log("force remove order", item, "#ff0000")
delete self.account.cancelPending[id]
}
}
let mp = {}
orders.forEach(function(item) {
if (typeof(mp[item.instId]) === 'undefined') {
mp[item.instId] = []
}
mp[item.instId].push(item.clOrdId)
delete self.getOrdersMap(item.instId)[item.clOrdId]
})
let rets = []
if (self.ctx.isFutures) {
for (let instId in mp) {
let arr = mp[instId]
for (let i = 0; i < arr.length; i += 5) {
let ids = arr.slice(i, i + 5)
let ret = self.ctx.e.IO("api", "DELETE", "/fapi/v1/batchOrders", "", JSON.stringify({
symbol: instId,
origClientOrderIdList: ids
}))
if (Debug) {
Log("cancelOrders", instId, arr, ret)
}
// cancel success
if (ret && ret.length == ids.length) {
ids.forEach(function(id) {
delete self.account.cancelPending[id]
})
}
rets.push(ret)
}
}
} else {
for (let i = 0; i < orders.length; i += 5) {
let ret = self.ctx.e.IO("api", "DELETE", self.tradePath, "", JSON.stringify(orders[i]))
if (Debug) {
Log("cancelOrders", orders[i], ret)
}
rets.push(ret)
}
}
return rets
}
self.processOrders = function(ts, data, reset) {
if (Debug) {
Log("ORDERS: ", data)
}
if (reset) {
self.account.orders = {}
for (let k in self.account.ordersCount) {
self.account.ordersCount[k] = 0
}
}
let ret = []
data.forEach(function(item) {
let instId = item.s
let dataOrder = {
Id: item.C || item.c,
instId: instId,
Info: item,
Price: Number(item.p),
Amount: Number(item.q),
Update: Number(item.T || item.E || ts),
Created: Number(item.O || item.E || ts),
Type: item.S == "BUY" ? ORDER_TYPE_BUY : ORDER_TYPE_SELL,
DealAmount: Number(item.z)
}
if (typeof(item.ap) !== 'undefined') {
dataOrder.AvgPrice = Number(item.ap)
} else if (Number(item.z) > 0 && typeof(item.Z) !== 'undefined') {
dataOrder.AvgPrice = Number(item.Z) / Number(item.z)
}
if (item.X == "NEW") {
dataOrder.Status = ORDER_STATE_PENDING
self.account.ordersCount.push += 1
self.account.ordersCount.pending += 1
} else if (item.X == "PARTIALLY_FILLED") {
dataOrder.Status = ORDER_STATE_PENDING
} else if (item.X == "FILLED") {
dataOrder.Status = ORDER_STATE_CLOSED
self.account.ordersCount.filled += 1
self.account.ordersCount.pending -= 1
} else if (item.X == "CANCELED" || item.X == "EXPIRED" || item.X == "REJECT" || item.X == "NEW_INSURANCE" || item.X == "NEW_ADL") {
dataOrder.Status = ORDER_STATE_CANCELED
self.account.ordersCount.canceled += 1
self.account.ordersCount.pending -= 1
} else {
throw "unknow order state " + JSON.stringify(item)
}
// remove from cancelPending orders
if (dataOrder.Status != ORDER_STATE_PENDING) {
delete self.account.cancelPending[dataOrder.Id]
if (Debug) {
Log("remove from cancel pending orders", dataOrder)
}
}
let mp = self.getOrdersMap(instId)
let oldOrder = mp[dataOrder.Id]
if ((!oldOrder) || (dataOrder.DealAmount != oldOrder.DealAmount)) {
if (item.X == "PARTIALLY_FILLED" || item.X == "FILLED") {
Log(item.X, item.S, dataOrder)
}
}
let update = false
if (dataOrder.Status == ORDER_STATE_PENDING) {
// 修改订单的命令还没返回就收到了new订单的update导致时间序列错乱
if (oldOrder) {
update = true
Object.assign(oldOrder, dataOrder)
} else {
mp[dataOrder.Id] = dataOrder
update = true
}
if (Debug) {
Log("update order", Boolean(oldOrder), mp[dataOrder.Id], item)
}
} else {
update = true
if (oldOrder) {
// avoid ref
Object.assign(oldOrder, dataOrder)
delete mp[dataOrder.Id]
}
if (Debug) {
Log("order " + item.X, dataOrder)
}
}
if (update) {
ret.push(dataOrder)
}
self.account.ordersUpdate = ts
})
return ret
}
self.processPrivateMsg = function(msg) {
let obj = JSON.parse(msg)
if (Debug) {
Log(obj, "#ff0000")
}
let event = {}
if (obj.e == "ORDER_TRADE_UPDATE") {
event.orders = self.processOrders(obj.E, [obj.o])
event.ts = obj.E
self.isReadyDic["orders"] = true
} else if (obj.e == "ACCOUNT_UPDATE" && obj.a) {
event.ts = obj.E
self.account.balanceUpdate = obj.E
if (obj.a.B) {
obj.a.B.forEach(function(item) {
self.account.balance[item.a] = {
free: Number(item.wb),
locked: 0
}
})
event.balance = self.account.balance
}
if (obj.a.P) {
obj.a.P.forEach(function(item) {
self.account.positions[item.s] = {
Amount: Number(item.pa),
Price: Number(item.ep)
}
self.account.positionsUpdate = obj.E
})
event.positions = self.account.positions
}
self.isReadyDic["account"] = true
} else if (obj.e == "outboundAccountPosition") {
event.ts = obj.E
self.account.balanceUpdate = obj.E
if (obj.B) {
obj.B.forEach(function(item) {
self.account.balance[item.a] = {
free: Number(item.f),
locked: Number(item.l)
}
})
event.balance = self.account.balance
}
self.isReadyDic["account"] = true
} else if (obj.e == "executionReport") {
event.orders = self.processOrders(obj.E, [obj])
event.ts = obj.E
self.isReadyDic["orders"] = true
} else {
//Log("RECV", "<" + msg + ">")
}
if (event.ts) {
self.ctx.processTick(event)
}
}
self.poll = function(timeout) {
let ts = new Date().getTime()
if (self.lastPing == 0) {
self.lastPing = ts
}
if (!self.listenKey || ts - self.listenKeyUpdate > 60000 * 30) {
let ret = self.ctx.e.IO("api", "POST", self.ctx.isFutures ? "/fapi/v1/listenKey" : (self.useMargin ? "/sapi/v1/userDataStream" : "/api/v3/userDataStream"))
if (ret && ret.listenKey) {
self.listenKey = ret.listenKey
self.listenKeyUpdate = ts
//Log("ListenKey Update", ret)
}
}
if (!self.listenKey) {
return
}
if (self.ws == null) {
let base = (self.ctx.isFutures ? 'wss://fstream.binance.com' : 'wss://stream.binance.com:9443') + "/ws"
Log("Dial: ", base + "/*****")
self.ws = Dial(base + "/" + self.listenKey)
}
if (!self.ws) {
return;
}
let lastRead = false
while (true) {
let msg = self.ws.read(-1)
if (msg == "") {
Log("Binance private websocket reset")
self.reset()
break
}
if (msg == null) {
if (typeof(timeout) == 'number' && timeout > 0) {
msg = self.ws.read(timeout)
lastRead = true
}
}
if (msg != null && msg != "") {
//Log("BP", msg)
if (msg == "ping") {
self.ws.write("pong")
self.lastPing = ts
} else if (msg != "pong") {
self.processPrivateMsg(msg)
}
} else {
break
}
if (lastRead) {
break
}
}
}
return self
}
function NewBinanceWebSocketPublic(e, onLogin, onTick) {
let self = {
e: e,
key: e.GetName() + '/' + e.GetCurrency(),
quoteCurrency: e.GetQuoteCurrency(),
name: e.GetName(),
isFutures: e.GetName().indexOf("Futures_") == 0,
ws: null,
cache: {},
depthCount: 0,
depthConsumed: 0,
lastPing: 0,
isReadyDic: {}
}
self.base = self.isFutures ? "wss://fstream.binance.com/ws" : "wss://stream.binance.com/ws"
self.wsPrivate = NewBinanceSocketPrivate(self)
self.reset = function() {
if (self.ws) {
self.ws.close()
self.ws = null
}
self.isReadyDic = {}
}
self.processTick = function(event) {
if (typeof(onTick) !== 'function') {
return
}
let ret = onTick(self, event)
if (ret) {
if (ret.amendOrders && ret.amendOrders.length > 0) {
ret.ctx.wsPrivate.amendOrders(ret.amendOrders)
}
if (ret.cancelOrders && ret.cancelOrders.length > 0) {
ret.ctx.wsPrivate.cancelOrders(ret.cancelOrders)
}
if (ret.newOrders && ret.newOrders.length > 0) {
ret.ctx.wsPrivate.batchOrders(ret.newOrders)
}
}
}
self.processMsg = function(msg) {
if (Debug) {
Log("MSG:", msg)
}
let obj = JSON.parse(msg)
if (obj.error) {
Log(obj)
throw obj.error.msg
}
let event = {
ts: obj.E,
instId: obj.s
}
if (obj.e == "depthUpdate") {
let depth = {
asks: [],
bids: []
}
obj.b.forEach(function(item) {
depth.bids.push({
price: Number(item[0]),
qty: Number(item[1])
})
})
obj.a.forEach(function(item) {
depth.asks.push({
price: Number(item[0]),
qty: Number(item[1])
})
})
event.depth = depth
//self.depthTime = obj.data.E
} else if (obj.e == 'aggTrade') {
event.ts = obj.E
event.trades = [{
price: Number(obj.p),
qty: Number(obj.q),
ts: obj.T,
side: obj.m ? "sell" : "buy"
}]
} else if (typeof(obj.asks) !== 'undefined') {
let depth = {
asks: [],
bids: []
}
obj.bids.forEach(function(item) {
depth.bids.push({
price: Number(item[0]),
qty: Number(item[1])
})
})
obj.asks.forEach(function(item) {
depth.asks.push({
price: Number(item[0]),
qty: Number(item[1])
})
})
event.ts = obj.E || new Date().getTime()
event.depth = depth
} else {
Log(">>>", msg)
return
}
self.processTick(event)
}
self.isReady = function() {
return self.wsPrivate.ws != null
}
self.poll = function(timeout) {
let ts = new Date().getTime()
if (!self.ws) {
Log("Dial: ", self.base)
self.ws = Dial(self.base)
if (self.ws) {
onLogin(self.ws, self.e)
}
}
if (!self.ws) {
return
}
let lastRead = false
while (true) {
let msg = self.ws.read(-1)
if (msg == "") {
if (Debug) {
Log("DEBUG> RESET websocket", self.base, "#ff0000")
}
self.reset()
break
}
if (msg == null) {
if (typeof(timeout) == 'number' && timeout > 0) {
msg = self.ws.read(timeout)
lastRead = true
}
}
if (msg != null && msg != "") {
if (msg == "ping") {
self.ws.write("pong")
self.lastPing = ts
} else if (msg == "pong") {
// ignore
} else {
self.wsPrivate.poll()
self.processMsg(msg)
self.wsPrivate.poll()
}
} else {
break
}
if (lastRead) {
break
}
}
self.wsPrivate.poll()
}
return self
}
if (typeof(__threadId) == 'function' && __threadId() != 0) {
// thread register
this.NewWSS = function(e, onWSSLogin, onWSSTick) {
let pfn = null
if (e.GetName().indexOf("Binance") != -1) {
pfn = NewBinanceWebSocketPublic
Log("New Binance websocket", e.GetName(), e.GetCurrency())
} else {
pfn = NewOKXWebSocketPublic
Log("New OKX Websocket", e.GetName(), e.GetCurrency())
}
return pfn(e, onWSSLogin, onWSSTick)
}
return
}
let pfn = null
if (e.GetName().indexOf("Binance") != -1) {
pfn = NewBinanceWebSocketPublic
Log("New Binance websocket", e.GetName(), e.GetCurrency())
} else {
pfn = NewOKXWebSocketPublic
Log("New OKX Websocket", e.GetName(), e.GetCurrency())
}
return pfn(e, onWSSLogin, onWSSTick)
}
function onTick(ctx, event) {
if (event.depth) {
Log("depth update", event)
}
if (event.trades) {
Log("trades received", event)
}
if (event.balance || event.positions) {
Log("account update", event)
}
if (event.orders) {
Log("private orders update", event)
}
// include orders, positions, balance for latest
Log("account", ctx.wsPrivate.account)
// for test only
if (false) {
return {
amendOrders: [{
instId: event.instId,
clOrdId: "xxxx*****",
cxlOnFail: true,
newSz: "2",
}],
newOrders: [{
instId: event.instId,
clOrdId: UUID(),
side: "sell",
tdMode: "cross",
ordType: "post_only",
px: event.depth.asks[0].price.toFixed(4),
sz: "1",
}, {
instId: event.instId,
clOrdId: UUID(),
side: "sell",
tdMode: "cross",
ordType: "post_only",
px: event.depth.asks[0].price.toFixed(4),
sz: "1",
}],
cancelOrders: [{
instId: order.instId,
clOrdId: order.Id
}]
}
}
}
function main() {
let instId = exchange.SetContractType("swap").InstrumentID
let ctx = $.NewWSS(exchange, function(ws) {
let msg = null
if (exchange.GetName() === 'Futures_OKCoin') {
msg = {
op: "subscribe",
args: [{
channel: "books5",
instId: instId,
}, {
channel: "trades",
instId: instId,
}]
}
} else {
let symbol = exchange.GetCurrency().replace('_', '').toLowerCase()
msg = {
method: "SUBSCRIBE",
params: [symbol + "@aggTrade", symbol + "@depth20@100ms"],
id: 1,
}
}
ws.write(JSON.stringify(msg))
Log("subscribe", msg, "channel")
LogStatus("Ready")
}, onTick, false)
while (true) {
ctx.poll()
EventLoop(1000)
}
}
mztcoinPraise and worship
My heart is still.Invalid request: request ID must be an unsigned integer
xyiiInvalid request: request ID must be an unsigned integer ID
My heart is still.Debug What does the setting false and true mean?
The Sheep FlyIs there a Python version?
allez-zCan you just talk about the logic of executing the EventLoop function, which I don't see in the API documentation on the front.
Orc quantifiedZero total cattle
Inventors quantifiedTry it again, OK, the Binance subscription ID is a number that can only lead to
xyiiBinance contract error messageInvalid request: request ID must be an unsigned integer There is no error in the line /upload/asset/6682a5dd8d131ea883e.jpg
Inventors quantifiedIs the error line OK or Binance?
Inventors quantifiedI'll add it to the documentation later.