exchange/okex/okex.go

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2024-06-25 16:59:56 +00:00
package okex
import (
"bytes"
"context"
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"sync"
"time"
"git.qtrade.icu/coin-quant/exchange"
"git.qtrade.icu/coin-quant/exchange/okex/api/account"
"git.qtrade.icu/coin-quant/exchange/okex/api/market"
"git.qtrade.icu/coin-quant/exchange/okex/api/public"
"git.qtrade.icu/coin-quant/exchange/okex/api/trade"
"git.qtrade.icu/coin-quant/exchange/ws"
. "git.qtrade.icu/coin-quant/trademodel"
"github.com/gorilla/websocket"
log "github.com/sirupsen/logrus"
)
var (
background = context.Background()
ApiAddr = "https://www.okx.com/"
WSOkexPUbilc = "wss://wsaws.okx.com:8443/ws/v5/public"
WSOkexPrivate = "wss://wsaws.okx.com:8443/ws/v5/private"
TypeSPOT = "SPOT" //币币
TypeMARGIN = "MARGIN" // 币币杠杆
TypeSWAP = "SWAP" //永续合约
TypeFUTURES = "FUTURES" //交割合约
TypeOption = "OPTION" //期权
PosNetMode = "net_mode"
PosLongShortMode = "long_short_mode"
)
var _ exchange.Exchange = &OkxTrader{}
func init() {
exchange.RegisterExchange("okx", NewOkexExchange)
}
type OkxTrader struct {
Name string
tradeApi *trade.ClientWithResponses
marketApi *market.ClientWithResponses
publicApi *public.ClientWithResponses
accountApi *account.ClientWithResponses
tradeCb exchange.WatchFn
positionCb exchange.WatchFn
balanceCb exchange.WatchFn
depthCb exchange.WatchFn
tradeMarketCb exchange.WatchFn
klineCb exchange.WatchFn
closeCh chan bool
cfg *OKEXConfig
klineLimit int
wsUser *ws.WSConn
wsPublic *ws.WSConn
ordersCache sync.Map
stopOrdersCache sync.Map
posMode string
watchPublics []OPParam
instType string
timeout time.Duration
symbols map[string]Symbol
}
func NewOkexExchange(cfg exchange.Config, cltName string) (e exchange.Exchange, err error) {
b, err := NewOkxTrader(cfg, cltName)
if err != nil {
return
}
e = b
return
}
func NewOkxTrader(cfg exchange.Config, cltName string) (b *OkxTrader, err error) {
b = new(OkxTrader)
b.Name = "okx"
b.instType = "SWAP"
if cltName == "" {
cltName = "okx"
}
b.symbols = make(map[string]Symbol)
b.klineLimit = 100
b.timeout = time.Second * 10
var okxCfg OKEXConfig
err = cfg.UnmarshalKey(fmt.Sprintf("exchanges.%s", cltName), &okxCfg)
if err != nil {
return nil, err
}
b.cfg = &okxCfg
// isDebug := cfg.GetBool(fmt.Sprintf("exchanges.%s.debug", cltName))
if b.cfg.TdMode == "" {
b.cfg.TdMode = "isolated"
}
log.Infof("okex %s, tdMode: %s, isTest: %t", cltName, b.cfg.TdMode, b.cfg.IsTest)
b.closeCh = make(chan bool)
b.tradeApi, err = trade.NewClientWithResponses(ApiAddr)
if err != nil {
return
}
b.marketApi, err = market.NewClientWithResponses(ApiAddr)
if err != nil {
return
}
b.publicApi, err = public.NewClientWithResponses(ApiAddr)
if err != nil {
return
}
b.accountApi, err = account.NewClientWithResponses(ApiAddr)
if err != nil {
return
}
clientProxy := cfg.GetString("proxy")
if clientProxy != "" {
var proxyURL *url.URL
proxyURL, err = url.Parse(clientProxy)
if err != nil {
return
}
clt := b.tradeApi.ClientInterface.(*trade.Client).Client.(*http.Client)
*clt = http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL)}}
clt = b.marketApi.ClientInterface.(*market.Client).Client.(*http.Client)
*clt = http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL)}}
clt = b.publicApi.ClientInterface.(*public.Client).Client.(*http.Client)
*clt = http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL)}}
clt = b.accountApi.ClientInterface.(*account.Client).Client.(*http.Client)
*clt = http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxyURL)}}
websocket.DefaultDialer.Proxy = http.ProxyURL(proxyURL)
websocket.DefaultDialer.HandshakeTimeout = time.Second * 60
}
_, err = b.Symbols()
if err != nil {
return nil, err
}
if b.cfg.ApiKey != "" {
err = b.getAccountConfig()
}
return
}
func (b *OkxTrader) Info() exchange.ExchangeInfo {
info := exchange.ExchangeInfo{
Name: "okx",
Value: "okx",
Desc: "okx api",
KLineLimit: exchange.FetchLimit{
Limit: b.klineLimit,
},
}
return info
}
func (b *OkxTrader) SetInstType(instType string) {
b.instType = instType
}
func (b *OkxTrader) auth(ctx context.Context, req *http.Request) (err error) {
var temp []byte
if req.Method != "GET" {
temp, err = io.ReadAll(req.Body)
if err != nil {
return
}
req.Body.Close()
buf := bytes.NewBuffer(temp)
req.Body = io.NopCloser(buf)
} else {
if req.URL.RawQuery != "" {
temp = []byte(fmt.Sprintf("?%s", req.URL.RawQuery))
}
}
var signStr string
tmStr := time.Now().UTC().Format("2006-01-02T15:04:05.000Z")
signStr = fmt.Sprintf("%s%s%s%s", tmStr, req.Method, req.URL.Path, string(temp))
h := hmac.New(sha256.New, []byte(b.cfg.SecretKey))
h.Write([]byte(signStr))
ret := h.Sum(nil)
n := base64.StdEncoding.EncodedLen(len(ret))
dst := make([]byte, n)
base64.StdEncoding.Encode(dst, ret)
sign := string(dst)
req.Header.Set("Content-Type", "application/json")
req.Header.Set("OK-ACCESS-KEY", b.cfg.ApiKey)
req.Header.Set("OK-ACCESS-SIGN", sign)
req.Header.Set("OK-ACCESS-TIMESTAMP", tmStr)
req.Header.Set("OK-ACCESS-PASSPHRASE", b.cfg.Passphrase)
return
}
func (b *OkxTrader) Start() (err error) {
fmt.Println("start okx")
err = b.runPublic()
if err != nil {
return
}
err = b.runPrivate()
if err != nil {
return
}
fmt.Println("start okx finished")
return
}
func (b *OkxTrader) Stop() (err error) {
b.wsPublic.Close()
b.wsUser.Close()
close(b.closeCh)
return
}
func (b *OkxTrader) customReq(ctx context.Context, req *http.Request) error {
if b.cfg.IsTest {
req.Header.Set("x-simulated-trading", "1")
}
return nil
}
func (b *OkxTrader) getAccountConfig() (err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
resp, err := b.accountApi.GetApiV5AccountConfigWithResponse(ctx, b.auth, b.customReq)
if err != nil {
return err
}
var accountCfg AccountConfig
err = json.Unmarshal(resp.Body, &accountCfg)
if err != nil {
return err
}
if accountCfg.Code != "0" {
err = fmt.Errorf("[%s]%s", accountCfg.Code, accountCfg.Msg)
return
}
// long_short_mode双向持仓 net_mode单向持仓
// 仅适用交割/永续
b.posMode = accountCfg.Data[0].PosMode
log.Infof("posMode: %s", b.posMode)
if b.posMode != PosNetMode {
log.Warnf("account posmode is %s, stop order will failed if no position", b.posMode)
}
return nil
}
// KlineChan get klines
func (b *OkxTrader) GetKline(symbol, bSize string, start, end time.Time) (data []*Candle, err error) {
// fmt.Println("GetKline:", symbol, bSize, start, end)
nStart := start.Unix() * 1000
nEnd := end.UnixMilli()
tempEnd := nEnd
var resp *market.GetApiV5MarketHistoryCandlesResponse
var startStr, endStr string
ctx, cancel := context.WithTimeout(background, time.Second*3)
startStr = strconv.FormatInt(nStart, 10)
tempEnd = nStart + 100*60*1000
if tempEnd > nEnd {
tempEnd = nEnd
}
endStr = strconv.FormatInt(tempEnd, 10)
var params = market.GetApiV5MarketHistoryCandlesParams{InstId: symbol, Bar: &bSize, Before: &startStr, After: &endStr}
resp, err = b.marketApi.GetApiV5MarketHistoryCandlesWithResponse(ctx, &params, b.customReq)
cancel()
if err != nil {
return
}
data, err = parseCandles(resp)
if err != nil {
if strings.Contains(err.Error(), "Requests too frequent.") {
err = fmt.Errorf("requests too frequent %w", exchange.ErrRetry)
}
return
}
sort.Slice(data, func(i, j int) bool {
return data[i].Start < data[j].Start
})
return
}
func (b *OkxTrader) Watch(param exchange.WatchParam, fn exchange.WatchFn) (err error) {
symbol := param.Param["symbol"]
log.Info("okex watch:", param)
switch param.Type {
case exchange.WatchTypeCandle:
var p = OPParam{
OP: "subscribe",
Args: []interface{}{
OPArg{Channel: "candle1m", InstType: b.instType, InstID: symbol},
},
}
b.klineCb = fn
b.watchPublics = append(b.watchPublics, p)
err = b.wsPublic.WriteMsg(p)
case exchange.WatchTypeDepth:
var p = OPParam{
OP: "subscribe",
Args: []interface{}{
OPArg{Channel: "books5", InstType: b.instType, InstID: symbol},
},
}
b.depthCb = fn
b.watchPublics = append(b.watchPublics, p)
err = b.wsPublic.WriteMsg(p)
case exchange.WatchTypeTradeMarket:
var p = OPParam{
OP: "subscribe",
Args: []interface{}{
OPArg{Channel: "trades", InstType: b.instType, InstID: symbol},
},
}
b.tradeMarketCb = fn
b.watchPublics = append(b.watchPublics, p)
err = b.wsPublic.WriteMsg(p)
case exchange.WatchTypeTrade:
b.tradeCb = fn
case exchange.WatchTypePosition:
b.positionCb = fn
err = b.fetchBalanceAndPosition()
case exchange.WatchTypeBalance:
b.balanceCb = fn
err = b.fetchBalanceAndPosition()
default:
err = fmt.Errorf("unknown wath param: %s", param.Type)
}
return
}
func (b *OkxTrader) fetchBalanceAndPosition() (err error) {
err = b.fetchBalance()
if err != nil {
return err
}
err = b.fetchPosition()
return
}
func (b *OkxTrader) fetchPosition() (err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
var params = account.GetApiV5AccountPositionsParams{InstType: &b.instType}
resp, err := b.accountApi.GetApiV5AccountPositionsWithResponse(ctx, &params, b.auth, b.customReq)
if err != nil {
return err
}
if b.positionCb == nil {
return
}
var data AccountPositionResp
err = json.Unmarshal(resp.Body, &data)
if err != nil {
return err
}
for _, v := range data.Data {
var pos Position
pos.Hold = parseFloat(v.Pos)
pos.Price = parseFloat(v.AvgPx)
pos.Symbol = v.InstID
if pos.Hold > 0 {
pos.Type = Long
} else {
pos.Type = Short
}
pos.ProfitRatio = parseFloat(v.UplRatio)
if pos.Hold == 0 {
log.Warnf("fetch position return 0: %s", string(resp.Body))
continue
}
b.positionCb(&pos)
}
return
}
func (b *OkxTrader) fetchBalance() (err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
var ccy = "USDT"
var param = account.GetApiV5AccountBalanceParams{Ccy: &ccy}
resp, err := b.accountApi.GetApiV5AccountBalanceWithResponse(ctx, &param, b.auth, b.customReq)
if err != nil {
return err
}
if b.balanceCb == nil {
return
}
var balance AccountBalanceResp
err = json.Unmarshal(resp.Body, &balance)
if err != nil {
return err
}
for _, v := range balance.Data {
for _, d := range v.Details {
if d.Ccy == ccy {
var bal Balance
bal.Available = parseFloat(d.AvailBal)
bal.Balance = parseFloat(d.CashBal)
bal.Currency = ccy
bal.Frozen = parseFloat(d.OrdFrozen)
b.balanceCb(&bal)
break
}
}
}
return
}
func (b *OkxTrader) processStopOrder(act TradeAction) (ret *Order, err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
var side, posSide string
// open: side = posSide, close: side!=posSide
if act.Action.IsLong() {
side = "buy"
posSide = "short"
} else {
side = "sell"
posSide = "long"
}
reduceOnly := true
var orderPx = "-1"
triggerPx := fmt.Sprintf("%f", act.Price)
// PostApiV5TradeOrderAlgoJSONBody defines parameters for PostApiV5TradeOrderAlgo.
params := trade.PostApiV5TradeOrderAlgoJSONBody{
// 非必填<br>保证金币种USDT<br>仅适用于单币种保证金模式下的全仓杠杆订单
// Ccy *string `json:"ccy,omitempty"`
// 必填<br>产品ID`BTC-USDT`
InstId: act.Symbol,
// 必填<br>订单类型。<br>`conditional`:单向止盈止损<br>`oco`:双向止盈止损<br>`trigger`:计划委托<br>`iceberg`:冰山委托<br>`twap`:时间加权委托
OrdType: "conditional",
// 非必填<br>委托价格<br>委托价格为-1时执行市价委托<br>适用于`计划委托`
OrderPx: &orderPx,
// 可选<br>持仓方向<br>在双向持仓模式下必填,且仅可选择 `long` 或 `short`
PosSide: &posSide,
// 非必填<br>挂单限制价<br>适用于`冰山委托`和`时间加权委托`
// PxLimit *string `json:"pxLimit,omitempty"`
// 非必填<br>距离盘口的比例价距<br>适用于`冰山委托`和`时间加权委托`
// PxSpread *string `json:"pxSpread,omitempty"`
// 非必填<br>距离盘口的比例<br>pxVar和pxSpread只能传入一个<br>适用于`冰山委托`和`时间加权委托`
// PxVar *string `json:"pxVar,omitempty"`
// 非必填<br>是否只减仓,`true` 或 `false`,默认`false`
// 仅适用于币币杠杆,以及买卖模式下的交割/永续
ReduceOnly: &reduceOnly,
// 必填<br>订单方向。买:`buy` 卖:`sell`
Side: side,
// 非必填<br>止损委托价,如果填写此参数,必须填写止损触发价<br>委托价格为-1时执行市价止损<br>适用于`止盈止损委托`
SlOrdPx: &orderPx,
// 非必填<br>止损触发价,如果填写此参数,必须填写止损委托价<br>适用于`止盈止损委托`
SlTriggerPx: &triggerPx,
// 必填<br>委托数量
Sz: fmt.Sprintf("%d", int(act.Amount)),
// 非必填<br>单笔数量<br>适用于`冰山委托`和`时间加权委托`
// SzLimit *string `json:"szLimit,omitempty"`
// 必填<br>交易模式<br>保证金模式:`isolated`:逐仓 `cross`<br>全仓非保证金模式:`cash`:非保证金
TdMode: b.cfg.TdMode,
// 非必填<br>市价单委托数量的类型<br>交易货币:`base_ccy`<br>计价货币:`quote_ccy`<br>仅适用于币币订单
// TgtCcy *string `json:"tgtCcy,omitempty"`
// 非必填<br>挂单限制价<br>适用于`时间加权委托`
// TimeInterval *string `json:"timeInterval,omitempty"`
// 非必填<br>止盈委托价,如果填写此参数,必须填写止盈触发价<br>委托价格为-1时执行市价止盈<br>适用于`止盈止损委托`
// TpOrdPx ,
// 非必填<br>止盈触发价,如果填写此参数,必须填写止盈委托价<br>适用于`止盈止损委托`
// TpTriggerPx *string `json:"tpTriggerPx,omitempty"`
// 非必填<br>计划委托触发价格<br>适用于`计划委托`
// TriggerPx *string `json:"triggerPx,omitempty"`
}
if b.posMode == PosNetMode {
params.PosSide = nil
}
resp, err := b.tradeApi.PostApiV5TradeOrderAlgoWithResponse(ctx, params, b.auth, b.customReq)
if err != nil {
return
}
orders, err := parsePostAlgoOrders(act.Symbol, "open", side, act.Price, act.Amount, resp.Body)
if err != nil {
return
}
if len(orders) != 1 {
err = fmt.Errorf("orders len not match: %#v", orders)
log.Warnf(err.Error())
return
}
ret = orders[0]
ret.Remark = "stop"
return
}
func (b *OkxTrader) CancelOrder(old *Order) (order *Order, err error) {
_, ok := b.ordersCache.Load(old.OrderID)
if ok {
order, err = b.cancelNormalOrder(old)
if err != nil {
return
}
b.ordersCache.Delete(old.OrderID)
}
_, ok = b.stopOrdersCache.Load(old.OrderID)
if ok {
order, err = b.cancelAlgoOrder(old)
b.stopOrdersCache.Delete(old.OrderID)
}
return
}
func (b *OkxTrader) cancelNormalOrder(old *Order) (order *Order, err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
var body trade.PostApiV5TradeCancelOrderJSONRequestBody
body.InstId = old.Symbol
body.OrdId = &old.OrderID
cancelResp, err := b.tradeApi.PostApiV5TradeCancelOrderWithResponse(ctx, body, b.auth, b.customReq)
if err != nil {
return
}
temp := OKEXOrder{}
err = json.Unmarshal(cancelResp.Body, &temp)
if err != nil {
return
}
if temp.Code != "0" {
err = errors.New(string(cancelResp.Body))
}
order = old
if len(temp.Data) > 0 {
order.OrderID = temp.Data[0].OrdID
}
return
}
func (b *OkxTrader) cancelAlgoOrder(old *Order) (order *Order, err error) {
ctx, cancel := context.WithTimeout(background, time.Second*2)
defer cancel()
var body = make(trade.PostApiV5TradeCancelAlgosJSONBody, 1)
body[0] = trade.CancelAlgoOrder{AlgoId: old.OrderID, InstId: old.Symbol}
cancelResp, err := b.tradeApi.PostApiV5TradeCancelAlgosWithResponse(ctx, body, b.auth, b.customReq)
if err != nil {
return
}
temp := OKEXAlgoOrder{}
err = json.Unmarshal(cancelResp.Body, &temp)
if err != nil {
return
}
if temp.Code != "0" {
err = errors.New(string(cancelResp.Body))
}
order = old
if len(temp.Data) > 0 {
order.OrderID = temp.Data[0].AlgoID
}
return
}
func (b *OkxTrader) ProcessOrder(act TradeAction) (ret *Order, err error) {
symbol, ok := b.symbols[act.Symbol]
if ok {
price := symbol.FixPrice(act.Price)
if price != act.Price {
log.Infof("okx change order price form %f to %f", act.Price, price)
act.Price = price
}
}
if act.Action.IsStop() {
// if no position:
// stopOrder will fail when posMode = long_short_mode
// stopOrder will success when posMode =net_mode
ret, err = b.processStopOrder(act)
if err != nil {
return
}
b.stopOrdersCache.Store(ret.OrderID, ret)
return
}
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
var side, posSide, px string
if act.Action.IsLong() {
side = "buy"
if act.Action.IsOpen() {
posSide = "long"
} else {
posSide = "short"
}
} else {
side = "sell"
if act.Action.IsOpen() {
posSide = "short"
} else {
posSide = "long"
}
}
ordType := "limit"
tag := "trade"
px = fmt.Sprintf("%f", act.Price)
params := trade.PostApiV5TradeOrderJSONRequestBody{
//ClOrdId *string `json:"clOrdId,omitempty"`
// 必填<br>产品ID`BTC-USDT`
InstId: act.Symbol,
// 必填<br>订单类型。<br>市价单:`market`<br>限价单:`limit`<br>只做maker单`post_only`<br>全部成交或立即取消:`fok`<br>立即成交并取消剩余:`ioc`<br>市价委托立即成交并取消剩余:`optimal_limit_ioc`(仅适用交割、永续)
OrdType: ordType,
// 可选<br>持仓方向<br>在双向持仓模式下必填,且仅可选择 `long` 或 `short`
PosSide: &posSide,
// 可选<br>委托价格<br>仅适用于`limit`、`post_only`、`fok`、`ioc`类型的订单
Px: &px,
// 非必填<br>是否只减仓,`true` 或 `false`,默认`false`<br>仅适用于币币杠杆订单
// ReduceOnly: &reduceOnly,
// 必填<br>订单方向。买:`buy` 卖:`sell`
Side: side,
// 必填<br>委托数量
Sz: fmt.Sprintf("%d", int(act.Amount)),
// 非必填<br>订单标签<br>字母区分大小写与数字的组合可以是纯字母、纯数字且长度在1-8位之间。
Tag: &tag,
// 必填<br>交易模式<br>保证金模式:`isolated`:逐仓 `cross`<br>全仓非保证金模式:`cash`:非保证金
TdMode: b.cfg.TdMode,
// 非必填<br>市价单委托数量的类型<br>交易货币:`base_ccy`<br>计价货币:`quote_ccy`<br>仅适用于币币订单
// TgtCcy *string `json:"tgtCcy,omitempty"`
}
if b.posMode == PosNetMode {
params.PosSide = nil
}
resp, err := b.tradeApi.PostApiV5TradeOrderWithResponse(ctx, params, b.auth, b.customReq)
if err != nil {
return
}
orders, err := parsePostOrders(act.Symbol, "open", side, act.Price, act.Amount, resp.Body)
if err != nil {
return
}
if len(orders) != 1 {
err = fmt.Errorf("orders len not match: %#v", orders)
log.Warnf(err.Error())
return
}
ret = orders[0]
b.ordersCache.Store(ret.OrderID, ret)
return
}
func (b *OkxTrader) cancelAllNormal() (orders []*Order, err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
instType := b.instType
var params = trade.GetApiV5TradeOrdersPendingParams{
// InstId: &b.symbol,
InstType: &instType,
}
resp, err := b.tradeApi.GetApiV5TradeOrdersPendingWithResponse(ctx, &params, b.auth, b.customReq)
if err != nil {
return
}
var orderResp CancelNormalResp
err = json.Unmarshal(resp.Body, &orderResp)
if err != nil {
return
}
if orderResp.Code != "0" {
err = errors.New(string(resp.Body))
return
}
if len(orderResp.Data) == 0 {
return
}
var body trade.PostApiV5TradeCancelBatchOrdersJSONRequestBody
for _, v := range orderResp.Data {
temp := v.OrdID
body = append(body, trade.CancelBatchOrder{
InstId: v.InstID,
OrdId: &temp,
})
}
cancelResp, err := b.tradeApi.PostApiV5TradeCancelBatchOrdersWithResponse(ctx, body, b.auth, b.customReq)
if err != nil {
return
}
temp := OKEXOrder{}
err = json.Unmarshal(cancelResp.Body, &temp)
if err != nil {
return
}
if temp.Code != "0" {
err = errors.New(string(cancelResp.Body))
}
return
}
func (b *OkxTrader) cancelAllAlgo() (orders []*Order, err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
instType := b.instType
var params = trade.GetApiV5TradeOrdersAlgoPendingParams{
OrdType: "conditional",
// InstId: &b.symbol,
InstType: &instType,
}
resp, err := b.tradeApi.GetApiV5TradeOrdersAlgoPendingWithResponse(ctx, &params, b.auth, b.customReq)
if err != nil {
return
}
var orderResp CancelAlgoResp
err = json.Unmarshal(resp.Body, &orderResp)
if err != nil {
return
}
if orderResp.Code != "0" {
err = errors.New(string(resp.Body))
return
}
if len(orderResp.Data) == 0 {
return
}
var body trade.PostApiV5TradeCancelAlgosJSONRequestBody
for _, v := range orderResp.Data {
body = append(body, trade.CancelAlgoOrder{
InstId: v.InstID,
AlgoId: v.AlgoID,
})
}
cancelResp, err := b.tradeApi.PostApiV5TradeCancelAlgosWithResponse(ctx, body, b.auth, b.customReq)
if err != nil {
return
}
temp := OKEXAlgoOrder{}
err = json.Unmarshal(cancelResp.Body, &temp)
if err != nil {
return
}
if temp.Code != "0" {
err = errors.New(string(cancelResp.Body))
}
return
}
func (b *OkxTrader) CancelAllOrders() (orders []*Order, err error) {
temp, err := b.cancelAllNormal()
if err != nil {
return
}
orders, err = b.cancelAllAlgo()
if err != nil {
return
}
orders = append(temp, orders...)
return
}
func (b *OkxTrader) Symbols() (symbols []Symbol, err error) {
ctx, cancel := context.WithTimeout(background, b.timeout)
defer cancel()
resp, err := b.publicApi.GetApiV5PublicInstrumentsWithResponse(ctx, &public.GetApiV5PublicInstrumentsParams{InstType: b.instType}, b.customReq)
if err != nil {
return
}
var instruments InstrumentResp
err = json.Unmarshal(resp.Body, &instruments)
if instruments.Code != "0" {
err = errors.New(string(resp.Body))
return
}
var value, amountPrecision float64
symbols = make([]Symbol, len(instruments.Data))
for i, v := range instruments.Data {
value, err = strconv.ParseFloat(v.TickSz, 64)
if err != nil {
return
}
amountPrecision, err = strconv.ParseFloat(v.LotSz, 64)
if err != nil {
return
}
symbolInfo := Symbol{
Name: v.InstID,
Exchange: "okx",
Symbol: v.InstID,
Resolutions: "1m,5m,15m,30m,1h,4h,1d,1w",
Precision: int(float64(1) / value),
AmountPrecision: int(float64(1) / amountPrecision),
PriceStep: value,
AmountStep: 0,
}
value, err = strconv.ParseFloat(v.MinSz, 64)
if err != nil {
return
}
symbolInfo.AmountStep = value
symbols[i] = symbolInfo
}
if len(symbols) > 0 {
symbolMap := make(map[string]Symbol)
for _, v := range symbols {
symbolMap[v.Symbol] = v
}
b.symbols = symbolMap
}
return
}