mirror of
https://github.com/c9s/bbgo.git
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927 lines
24 KiB
Go
927 lines
24 KiB
Go
package binance
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import (
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"context"
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/adshao/go-binance/v2"
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"github.com/google/uuid"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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"github.com/c9s/bbgo/pkg/types"
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"github.com/c9s/bbgo/pkg/util"
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)
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const BNB = "BNB"
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var log = logrus.WithFields(logrus.Fields{
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"exchange": "binance",
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})
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func init() {
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_ = types.Exchange(&Exchange{})
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_ = types.MarginExchange(&Exchange{})
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if ok, _ := strconv.ParseBool(os.Getenv("DEBUG_BINANCE_STREAM")); ok {
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log.Level = logrus.DebugLevel
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}
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}
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type Exchange struct {
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types.MarginSettings
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key, secret string
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Client *binance.Client
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}
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func New(key, secret string) *Exchange {
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var client = binance.NewClient(key, secret)
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_, _ = client.NewSetServerTimeService().Do(context.Background())
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return &Exchange{
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key: key,
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secret: secret,
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Client: client,
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}
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}
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func (e *Exchange) Name() types.ExchangeName {
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return types.ExchangeBinance
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}
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func (e *Exchange) QueryTicker(ctx context.Context, symbol string) (*types.Ticker, error) {
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req := e.Client.NewListPriceChangeStatsService()
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req.Symbol(strings.ToUpper(symbol))
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stats, err := req.Do(ctx)
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if err != nil {
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return nil, err
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}
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ticker := toGlobalTicker(stats[0])
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return &ticker, nil
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}
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func (e *Exchange) QueryTickers(ctx context.Context, symbol ...string) (map[string]types.Ticker, error) {
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var tickers = make(map[string]types.Ticker)
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if len(symbol) == 1 {
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ticker, err := e.QueryTicker(ctx, symbol[0])
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if err != nil {
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return nil, err
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}
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tickers[strings.ToUpper(symbol[0])] = *ticker
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return tickers, nil
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}
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var req = e.Client.NewListPriceChangeStatsService()
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changeStats, err := req.Do(ctx)
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if err != nil {
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return nil, err
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}
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m := make(map[string]struct{})
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exists := struct{}{}
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for _, s := range symbol {
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m[s] = exists
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}
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for _, stats := range changeStats {
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if _, ok := m[stats.Symbol]; len(symbol) != 0 && !ok {
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continue
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}
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tick := types.Ticker{
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Volume: util.MustParseFloat(stats.Volume),
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Last: util.MustParseFloat(stats.LastPrice),
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Open: util.MustParseFloat(stats.OpenPrice),
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High: util.MustParseFloat(stats.HighPrice),
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Low: util.MustParseFloat(stats.LowPrice),
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Buy: util.MustParseFloat(stats.BidPrice),
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Sell: util.MustParseFloat(stats.AskPrice),
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Time: time.Unix(0, stats.CloseTime*int64(time.Millisecond)),
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}
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tickers[stats.Symbol] = tick
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}
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return tickers, nil
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}
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func (e *Exchange) QueryMarkets(ctx context.Context) (types.MarketMap, error) {
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log.Info("querying market info...")
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exchangeInfo, err := e.Client.NewExchangeInfoService().Do(ctx)
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if err != nil {
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return nil, err
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}
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markets := types.MarketMap{}
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for _, symbol := range exchangeInfo.Symbols {
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market := types.Market{
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Symbol: symbol.Symbol,
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LocalSymbol: symbol.Symbol,
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PricePrecision: symbol.QuotePrecision,
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VolumePrecision: symbol.BaseAssetPrecision,
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QuoteCurrency: symbol.QuoteAsset,
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BaseCurrency: symbol.BaseAsset,
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}
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if f := symbol.MinNotionalFilter(); f != nil {
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market.MinNotional = util.MustParseFloat(f.MinNotional)
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market.MinAmount = util.MustParseFloat(f.MinNotional)
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}
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// The LOT_SIZE filter defines the quantity (aka "lots" in auction terms) rules for a symbol.
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// There are 3 parts:
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// minQty defines the minimum quantity/icebergQty allowed.
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// maxQty defines the maximum quantity/icebergQty allowed.
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// stepSize defines the intervals that a quantity/icebergQty can be increased/decreased by.
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if f := symbol.LotSizeFilter(); f != nil {
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market.MinQuantity = util.MustParseFloat(f.MinQuantity)
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market.MaxQuantity = util.MustParseFloat(f.MaxQuantity)
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market.StepSize = util.MustParseFloat(f.StepSize)
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}
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if f := symbol.PriceFilter(); f != nil {
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market.MaxPrice = util.MustParseFloat(f.MaxPrice)
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market.MinPrice = util.MustParseFloat(f.MinPrice)
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market.TickSize = util.MustParseFloat(f.TickSize)
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}
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markets[symbol.Symbol] = market
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}
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return markets, nil
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}
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func (e *Exchange) QueryAveragePrice(ctx context.Context, symbol string) (float64, error) {
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resp, err := e.Client.NewAveragePriceService().Symbol(symbol).Do(ctx)
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if err != nil {
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return 0, err
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}
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return util.MustParseFloat(resp.Price), nil
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}
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func (e *Exchange) NewStream() types.Stream {
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stream := NewStream(e.Client)
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stream.MarginSettings = e.MarginSettings
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return stream
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}
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func (e *Exchange) QueryMarginAccount(ctx context.Context) (*types.MarginAccount, error) {
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account, err := e.Client.NewGetMarginAccountService().Do(ctx)
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if err != nil {
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return nil, err
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}
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return toGlobalMarginAccount(account), nil
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}
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func (e *Exchange) QueryIsolatedMarginAccount(ctx context.Context, symbols ...string) (*types.IsolatedMarginAccount, error) {
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req := e.Client.NewGetIsolatedMarginAccountService()
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if len(symbols) > 0 {
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req.Symbols(symbols...)
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}
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account, err := req.Do(ctx)
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if err != nil {
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return nil, err
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}
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return toGlobalIsolatedMarginAccount(account), nil
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}
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func (e *Exchange) getLaunchDate() (time.Time, error) {
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// binance launch date 12:00 July 14th, 2017
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loc, err := time.LoadLocation("Asia/Shanghai")
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if err != nil {
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return time.Time{}, err
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}
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return time.Date(2017, time.July, 14, 0, 0, 0, 0, loc), nil
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}
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func (e *Exchange) Withdrawal(ctx context.Context, asset string, amount fixedpoint.Value, address string, options *types.WithdrawalOptions) error {
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req := e.Client.NewCreateWithdrawService().
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Asset(asset).
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Address(address).
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Amount(fmt.Sprintf("%f", amount.Float64()))
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if options != nil {
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if options.Network != "" {
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req.Network(options.Network)
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}
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if options.AddressTag != "" {
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req.Network(options.AddressTag)
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}
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}
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response, err := req.Do(ctx)
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if err != nil {
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return err
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}
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if !response.Success {
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return fmt.Errorf("withdrawal request failed: %s ID=%s", response.Msg, response.ID)
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}
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log.Infof("withdrawal request sent, response: %+v", response)
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return nil
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}
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func (e *Exchange) QueryWithdrawHistory(ctx context.Context, asset string, since, until time.Time) (allWithdraws []types.Withdraw, err error) {
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startTime := since
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var emptyTime = time.Time{}
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if startTime == emptyTime {
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startTime, err = e.getLaunchDate()
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if err != nil {
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return nil, err
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}
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}
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txIDs := map[string]struct{}{}
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for startTime.Before(until) {
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// startTime ~ endTime must be in 90 days
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endTime := startTime.AddDate(0, 0, 60)
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if endTime.After(until) {
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endTime = until
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}
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req := e.Client.NewListWithdrawsService()
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if len(asset) > 0 {
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req.Asset(asset)
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}
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withdraws, err := req.
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StartTime(startTime.UnixNano() / int64(time.Millisecond)).
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EndTime(endTime.UnixNano() / int64(time.Millisecond)).
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Do(ctx)
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if err != nil {
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return allWithdraws, err
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}
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for _, d := range withdraws {
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if _, ok := txIDs[d.TxID]; ok {
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continue
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}
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status := ""
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switch d.Status {
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case 0:
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status = "email_sent"
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case 1:
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status = "cancelled"
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case 2:
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status = "awaiting_approval"
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case 3:
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status = "rejected"
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case 4:
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status = "processing"
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case 5:
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status = "failure"
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case 6:
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status = "completed"
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default:
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status = fmt.Sprintf("unsupported code: %d", d.Status)
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}
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txIDs[d.TxID] = struct{}{}
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allWithdraws = append(allWithdraws, types.Withdraw{
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Exchange: types.ExchangeBinance,
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ApplyTime: types.Time(time.Unix(0, d.ApplyTime*int64(time.Millisecond))),
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Asset: d.Asset,
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Amount: d.Amount,
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Address: d.Address,
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AddressTag: d.AddressTag,
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TransactionID: d.TxID,
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TransactionFee: d.TransactionFee,
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WithdrawOrderID: d.WithdrawOrderID,
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Network: d.Network,
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Status: status,
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})
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}
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startTime = endTime
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}
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return allWithdraws, nil
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}
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func (e *Exchange) QueryDepositHistory(ctx context.Context, asset string, since, until time.Time) (allDeposits []types.Deposit, err error) {
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startTime := since
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var emptyTime = time.Time{}
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if startTime == emptyTime {
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startTime, err = e.getLaunchDate()
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if err != nil {
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return nil, err
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}
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}
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txIDs := map[string]struct{}{}
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for startTime.Before(until) {
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// startTime ~ endTime must be in 90 days
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endTime := startTime.AddDate(0, 0, 60)
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if endTime.After(until) {
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endTime = until
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}
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req := e.Client.NewListDepositsService()
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if len(asset) > 0 {
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req.Asset(asset)
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}
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deposits, err := req.
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StartTime(startTime.UnixNano() / int64(time.Millisecond)).
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EndTime(endTime.UnixNano() / int64(time.Millisecond)).
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Do(ctx)
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if err != nil {
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return nil, err
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}
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for _, d := range deposits {
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if _, ok := txIDs[d.TxID]; ok {
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continue
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}
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// 0(0:pending,6: credited but cannot withdraw, 1:success)
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status := types.DepositStatus(fmt.Sprintf("code: %d", d.Status))
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switch d.Status {
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case 0:
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status = types.DepositPending
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case 6:
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// https://www.binance.com/en/support/faq/115003736451
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status = types.DepositCredited
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case 1:
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status = types.DepositSuccess
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}
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txIDs[d.TxID] = struct{}{}
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allDeposits = append(allDeposits, types.Deposit{
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Exchange: types.ExchangeBinance,
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Time: types.Time(time.Unix(0, d.InsertTime*int64(time.Millisecond))),
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Asset: d.Asset,
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Amount: d.Amount,
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Address: d.Address,
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AddressTag: d.AddressTag,
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TransactionID: d.TxID,
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Status: status,
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})
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}
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startTime = endTime
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}
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return allDeposits, nil
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}
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func (e *Exchange) QueryAccountBalances(ctx context.Context) (types.BalanceMap, error) {
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account, err := e.QueryAccount(ctx)
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if err != nil {
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return nil, err
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}
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return account.Balances(), nil
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}
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func (e *Exchange) PlatformFeeCurrency() string {
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return BNB
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}
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func (e *Exchange) QueryAccount(ctx context.Context) (*types.Account, error) {
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account, err := e.Client.NewGetAccountService().Do(ctx)
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if err != nil {
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return nil, err
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}
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var balances = map[string]types.Balance{}
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for _, b := range account.Balances {
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balances[b.Asset] = types.Balance{
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Currency: b.Asset,
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Available: fixedpoint.Must(fixedpoint.NewFromString(b.Free)),
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Locked: fixedpoint.Must(fixedpoint.NewFromString(b.Locked)),
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}
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}
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// binance use 15 -> 0.15%, so we convert it to 0.0015
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a := &types.Account{
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MakerCommission: fixedpoint.NewFromFloat(float64(account.MakerCommission) * 0.0001),
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TakerCommission: fixedpoint.NewFromFloat(float64(account.TakerCommission) * 0.0001),
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}
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a.UpdateBalances(balances)
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return a, nil
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}
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func (e *Exchange) QueryOpenOrders(ctx context.Context, symbol string) (orders []types.Order, err error) {
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if e.IsMargin {
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req := e.Client.NewListMarginOpenOrdersService().Symbol(symbol)
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req.IsIsolated(e.IsIsolatedMargin)
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binanceOrders, err := req.Do(ctx)
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if err != nil {
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return orders, err
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}
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return toGlobalOrders(binanceOrders)
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}
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binanceOrders, err := e.Client.NewListOpenOrdersService().Symbol(symbol).Do(ctx)
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if err != nil {
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return orders, err
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}
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return toGlobalOrders(binanceOrders)
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}
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func (e *Exchange) QueryClosedOrders(ctx context.Context, symbol string, since, until time.Time, lastOrderID uint64) (orders []types.Order, err error) {
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if until.Sub(since) >= 24*time.Hour {
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until = since.Add(24*time.Hour - time.Millisecond)
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}
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log.Infof("querying closed orders %s from %s <=> %s ...", symbol, since, until)
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if e.IsMargin {
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req := e.Client.NewListMarginOrdersService().Symbol(symbol)
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req.IsIsolated(e.IsIsolatedMargin)
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|
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if lastOrderID > 0 {
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req.OrderID(int64(lastOrderID))
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} else {
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req.StartTime(since.UnixNano() / int64(time.Millisecond)).
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EndTime(until.UnixNano() / int64(time.Millisecond))
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}
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binanceOrders, err := req.Do(ctx)
|
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if err != nil {
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return orders, err
|
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}
|
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return toGlobalOrders(binanceOrders)
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}
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req := e.Client.NewListOrdersService().
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Symbol(symbol)
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|
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if lastOrderID > 0 {
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req.OrderID(int64(lastOrderID))
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} else {
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req.StartTime(since.UnixNano() / int64(time.Millisecond)).
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EndTime(until.UnixNano() / int64(time.Millisecond))
|
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}
|
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|
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binanceOrders, err := req.Do(ctx)
|
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if err != nil {
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return orders, err
|
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}
|
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|
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return toGlobalOrders(binanceOrders)
|
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}
|
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|
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func (e *Exchange) CancelOrders(ctx context.Context, orders ...types.Order) (err2 error) {
|
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for _, o := range orders {
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var req = e.Client.NewCancelOrderService()
|
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|
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// Mandatory
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req.Symbol(o.Symbol)
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if o.OrderID > 0 {
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req.OrderID(int64(o.OrderID))
|
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} else if len(o.ClientOrderID) > 0 {
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req.NewClientOrderID(o.ClientOrderID)
|
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}
|
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|
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_, err := req.Do(ctx)
|
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if err != nil {
|
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log.WithError(err).Errorf("order cancel error")
|
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err2 = err
|
|
}
|
|
}
|
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|
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return err2
|
|
}
|
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|
|
func (e *Exchange) submitMarginOrder(ctx context.Context, order types.SubmitOrder) (*types.Order, error) {
|
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orderType, err := toLocalOrderType(order.Type)
|
|
if err != nil {
|
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return nil, err
|
|
}
|
|
|
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req := e.Client.NewCreateMarginOrderService().
|
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Symbol(order.Symbol).
|
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Type(orderType).
|
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Side(binance.SideType(order.Side))
|
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|
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clientOrderID := newSpotClientOrderID(order.ClientOrderID)
|
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if len(clientOrderID) > 0 {
|
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req.NewClientOrderID(clientOrderID)
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}
|
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|
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// use response result format
|
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req.NewOrderRespType(binance.NewOrderRespTypeRESULT)
|
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|
|
if e.IsIsolatedMargin {
|
|
req.IsIsolated(e.IsIsolatedMargin)
|
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}
|
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|
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if len(order.MarginSideEffect) > 0 {
|
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req.SideEffectType(binance.SideEffectType(order.MarginSideEffect))
|
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}
|
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|
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if len(order.QuantityString) > 0 {
|
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req.Quantity(order.QuantityString)
|
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} else if order.Market.Symbol != "" {
|
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req.Quantity(order.Market.FormatQuantity(order.Quantity))
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|
} else {
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req.Quantity(strconv.FormatFloat(order.Quantity, 'f', 8, 64))
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}
|
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|
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// set price field for limit orders
|
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switch order.Type {
|
|
case types.OrderTypeStopLimit, types.OrderTypeLimit:
|
|
if len(order.PriceString) > 0 {
|
|
req.Price(order.PriceString)
|
|
} else if order.Market.Symbol != "" {
|
|
req.Price(order.Market.FormatPrice(order.Price))
|
|
}
|
|
}
|
|
|
|
// set stop price
|
|
switch order.Type {
|
|
|
|
case types.OrderTypeStopLimit, types.OrderTypeStopMarket:
|
|
if len(order.StopPriceString) == 0 {
|
|
return nil, fmt.Errorf("stop price string can not be empty")
|
|
}
|
|
|
|
req.StopPrice(order.StopPriceString)
|
|
}
|
|
|
|
// could be IOC or FOK
|
|
if len(order.TimeInForce) > 0 {
|
|
// TODO: check the TimeInForce value
|
|
req.TimeInForce(binance.TimeInForceType(order.TimeInForce))
|
|
} else {
|
|
switch order.Type {
|
|
case types.OrderTypeLimit, types.OrderTypeStopLimit:
|
|
req.TimeInForce(binance.TimeInForceTypeGTC)
|
|
}
|
|
}
|
|
|
|
response, err := req.Do(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
log.Infof("margin order creation response: %+v", response)
|
|
|
|
createdOrder, err := toGlobalOrder(&binance.Order{
|
|
Symbol: response.Symbol,
|
|
OrderID: response.OrderID,
|
|
ClientOrderID: response.ClientOrderID,
|
|
Price: response.Price,
|
|
OrigQuantity: response.OrigQuantity,
|
|
ExecutedQuantity: response.ExecutedQuantity,
|
|
CummulativeQuoteQuantity: response.CummulativeQuoteQuantity,
|
|
Status: response.Status,
|
|
TimeInForce: response.TimeInForce,
|
|
Type: response.Type,
|
|
Side: response.Side,
|
|
UpdateTime: response.TransactTime,
|
|
Time: response.TransactTime,
|
|
IsIsolated: response.IsIsolated,
|
|
}, true)
|
|
|
|
return createdOrder, err
|
|
}
|
|
|
|
// BBGO is a broker on Binance
|
|
const spotBrokerID = "NSUYEBKM"
|
|
|
|
func newSpotClientOrderID(originalID string) (clientOrderID string) {
|
|
if originalID == types.NoClientOrderID {
|
|
return ""
|
|
}
|
|
|
|
prefix := "x-" + spotBrokerID
|
|
prefixLen := len(prefix)
|
|
|
|
if originalID != "" {
|
|
// try to keep the whole original client order ID if user specifies it.
|
|
if prefixLen+len(originalID) > 32 {
|
|
return originalID
|
|
}
|
|
|
|
clientOrderID = prefix + originalID
|
|
return clientOrderID
|
|
}
|
|
|
|
clientOrderID = uuid.New().String()
|
|
clientOrderID = prefix + clientOrderID
|
|
if len(clientOrderID) > 32 {
|
|
return clientOrderID[0:32]
|
|
}
|
|
|
|
return clientOrderID
|
|
}
|
|
|
|
func (e *Exchange) submitSpotOrder(ctx context.Context, order types.SubmitOrder) (*types.Order, error) {
|
|
orderType, err := toLocalOrderType(order.Type)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
req := e.Client.NewCreateOrderService().
|
|
Symbol(order.Symbol).
|
|
Side(binance.SideType(order.Side)).
|
|
Type(orderType)
|
|
|
|
clientOrderID := newSpotClientOrderID(order.ClientOrderID)
|
|
if len(clientOrderID) > 0 {
|
|
req.NewClientOrderID(clientOrderID)
|
|
}
|
|
|
|
if len(order.QuantityString) > 0 {
|
|
req.Quantity(order.QuantityString)
|
|
} else if order.Market.Symbol != "" {
|
|
req.Quantity(order.Market.FormatQuantity(order.Quantity))
|
|
} else {
|
|
req.Quantity(strconv.FormatFloat(order.Quantity, 'f', 8, 64))
|
|
}
|
|
|
|
// set price field for limit orders
|
|
switch order.Type {
|
|
case types.OrderTypeStopLimit, types.OrderTypeLimit:
|
|
if len(order.PriceString) > 0 {
|
|
req.Price(order.PriceString)
|
|
} else if order.Market.Symbol != "" {
|
|
req.Price(order.Market.FormatPrice(order.Price))
|
|
}
|
|
}
|
|
|
|
switch order.Type {
|
|
case types.OrderTypeStopLimit, types.OrderTypeStopMarket:
|
|
if len(order.StopPriceString) == 0 {
|
|
return nil, fmt.Errorf("stop price string can not be empty")
|
|
}
|
|
|
|
req.StopPrice(order.StopPriceString)
|
|
}
|
|
|
|
if len(order.TimeInForce) > 0 {
|
|
// TODO: check the TimeInForce value
|
|
req.TimeInForce(binance.TimeInForceType(order.TimeInForce))
|
|
} else {
|
|
switch order.Type {
|
|
case types.OrderTypeLimit, types.OrderTypeStopLimit:
|
|
req.TimeInForce(binance.TimeInForceTypeGTC)
|
|
}
|
|
}
|
|
|
|
response, err := req.Do(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
log.Infof("spot order creation response: %+v", response)
|
|
|
|
createdOrder, err := toGlobalOrder(&binance.Order{
|
|
Symbol: response.Symbol,
|
|
OrderID: response.OrderID,
|
|
ClientOrderID: response.ClientOrderID,
|
|
Price: response.Price,
|
|
OrigQuantity: response.OrigQuantity,
|
|
ExecutedQuantity: response.ExecutedQuantity,
|
|
CummulativeQuoteQuantity: response.CummulativeQuoteQuantity,
|
|
Status: response.Status,
|
|
TimeInForce: response.TimeInForce,
|
|
Type: response.Type,
|
|
Side: response.Side,
|
|
UpdateTime: response.TransactTime,
|
|
Time: response.TransactTime,
|
|
IsIsolated: response.IsIsolated,
|
|
// StopPrice:
|
|
// IcebergQuantity:
|
|
// UpdateTime:
|
|
// IsWorking: ,
|
|
}, false)
|
|
|
|
return createdOrder, err
|
|
}
|
|
|
|
func (e *Exchange) SubmitOrders(ctx context.Context, orders ...types.SubmitOrder) (createdOrders types.OrderSlice, err error) {
|
|
for _, order := range orders {
|
|
var createdOrder *types.Order
|
|
|
|
if e.IsMargin {
|
|
createdOrder, err = e.submitMarginOrder(ctx, order)
|
|
} else {
|
|
createdOrder, err = e.submitSpotOrder(ctx, order)
|
|
}
|
|
|
|
if err != nil {
|
|
return createdOrders, err
|
|
}
|
|
|
|
if createdOrder == nil {
|
|
return createdOrders, errors.New("nil converted order")
|
|
}
|
|
|
|
createdOrders = append(createdOrders, *createdOrder)
|
|
}
|
|
|
|
return createdOrders, err
|
|
}
|
|
|
|
// QueryKLines queries the Kline/candlestick bars for a symbol. Klines are uniquely identified by their open time.
|
|
// Binance uses inclusive start time query range, eg:
|
|
// https://api.binance.com/api/v3/klines?symbol=BTCUSDT&interval=1m&startTime=1620172860000
|
|
// the above query will return a kline with startTime = 1620172860000
|
|
// and,
|
|
// https://api.binance.com/api/v3/klines?symbol=BTCUSDT&interval=1m&startTime=1620172860000&endTime=1620172920000
|
|
// the above query will return a kline with startTime = 1620172860000, and a kline with endTime = 1620172860000
|
|
//
|
|
// the endTime of a binance kline, is the (startTime + interval time - 1 millisecond), e.g.,
|
|
// millisecond unix timestamp: 1620172860000 and 1620172919999
|
|
func (e *Exchange) QueryKLines(ctx context.Context, symbol string, interval types.Interval, options types.KLineQueryOptions) ([]types.KLine, error) {
|
|
|
|
var limit = 1000
|
|
if options.Limit > 0 {
|
|
// default limit == 1000
|
|
limit = options.Limit
|
|
}
|
|
|
|
log.Infof("querying kline %s %s %v", symbol, interval, options)
|
|
|
|
req := e.Client.NewKlinesService().
|
|
Symbol(symbol).
|
|
Interval(string(interval)).
|
|
Limit(limit)
|
|
|
|
if options.StartTime != nil {
|
|
req.StartTime(options.StartTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
|
|
if options.EndTime != nil {
|
|
req.EndTime(options.EndTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
|
|
resp, err := req.Do(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var kLines []types.KLine
|
|
for _, k := range resp {
|
|
kLines = append(kLines, types.KLine{
|
|
Exchange: types.ExchangeBinance,
|
|
Symbol: symbol,
|
|
Interval: interval,
|
|
StartTime: time.Unix(0, k.OpenTime*int64(time.Millisecond)),
|
|
EndTime: time.Unix(0, k.CloseTime*int64(time.Millisecond)),
|
|
Open: util.MustParseFloat(k.Open),
|
|
Close: util.MustParseFloat(k.Close),
|
|
High: util.MustParseFloat(k.High),
|
|
Low: util.MustParseFloat(k.Low),
|
|
Volume: util.MustParseFloat(k.Volume),
|
|
QuoteVolume: util.MustParseFloat(k.QuoteAssetVolume),
|
|
TakerBuyBaseAssetVolume: util.MustParseFloat(k.TakerBuyBaseAssetVolume),
|
|
TakerBuyQuoteAssetVolume: util.MustParseFloat(k.TakerBuyQuoteAssetVolume),
|
|
LastTradeID: 0,
|
|
NumberOfTrades: uint64(k.TradeNum),
|
|
Closed: true,
|
|
})
|
|
}
|
|
return kLines, nil
|
|
}
|
|
|
|
func (e *Exchange) QueryTrades(ctx context.Context, symbol string, options *types.TradeQueryOptions) (trades []types.Trade, err error) {
|
|
var remoteTrades []*binance.TradeV3
|
|
|
|
if e.IsMargin {
|
|
req := e.Client.NewListMarginTradesService().
|
|
IsIsolated(e.IsIsolatedMargin).
|
|
Symbol(symbol)
|
|
|
|
if options.Limit > 0 {
|
|
req.Limit(int(options.Limit))
|
|
} else {
|
|
req.Limit(1000)
|
|
}
|
|
|
|
if options.StartTime != nil {
|
|
req.StartTime(options.StartTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
|
|
if options.EndTime != nil {
|
|
req.EndTime(options.EndTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
|
|
// BINANCE uses inclusive last trade ID
|
|
if options.LastTradeID > 0 {
|
|
req.FromID(options.LastTradeID)
|
|
}
|
|
|
|
remoteTrades, err = req.Do(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
} else {
|
|
req := e.Client.NewListTradesService().
|
|
Symbol(symbol)
|
|
|
|
if options.Limit > 0 {
|
|
req.Limit(int(options.Limit))
|
|
} else {
|
|
req.Limit(1000)
|
|
}
|
|
|
|
if options.StartTime != nil {
|
|
req.StartTime(options.StartTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
if options.EndTime != nil {
|
|
req.EndTime(options.EndTime.UnixNano() / int64(time.Millisecond))
|
|
}
|
|
|
|
// BINANCE uses inclusive last trade ID
|
|
if options.LastTradeID > 0 {
|
|
req.FromID(options.LastTradeID)
|
|
}
|
|
|
|
remoteTrades, err = req.Do(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
for _, t := range remoteTrades {
|
|
localTrade, err := ToGlobalTrade(*t, e.IsMargin)
|
|
if err != nil {
|
|
log.WithError(err).Errorf("can not convert binance trade: %+v", t)
|
|
continue
|
|
}
|
|
|
|
trades = append(trades, *localTrade)
|
|
}
|
|
|
|
return trades, nil
|
|
}
|
|
|
|
func (e *Exchange) BatchQueryKLines(ctx context.Context, symbol string, interval types.Interval, startTime, endTime time.Time) ([]types.KLine, error) {
|
|
var allKLines []types.KLine
|
|
|
|
for startTime.Before(endTime) {
|
|
klines, err := e.QueryKLines(ctx, symbol, interval, types.KLineQueryOptions{
|
|
StartTime: &startTime,
|
|
Limit: 1000,
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for _, kline := range klines {
|
|
if kline.EndTime.After(endTime) {
|
|
return allKLines, nil
|
|
}
|
|
|
|
allKLines = append(allKLines, kline)
|
|
startTime = kline.EndTime
|
|
}
|
|
}
|
|
|
|
return allKLines, nil
|
|
}
|
|
|
|
func (e *Exchange) QueryLastFundingRate(ctx context.Context, symbol string) (fixedpoint.Value, error) {
|
|
futuresClient := binance.NewFuturesClient(e.key, e.secret)
|
|
rates, err := futuresClient.NewFundingRateService().
|
|
Symbol(symbol).
|
|
Limit(1).
|
|
Do(ctx)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
if len(rates) == 0 {
|
|
return 0, errors.New("empty funding rate data")
|
|
}
|
|
|
|
return fixedpoint.NewFromString(rates[0].FundingRate)
|
|
}
|