bbgo_origin/pkg/exchange/bybit/exchange.go

131 lines
3.2 KiB
Go

package bybit
import (
"context"
"fmt"
"time"
"github.com/sirupsen/logrus"
"golang.org/x/time/rate"
"github.com/c9s/bbgo/pkg/exchange/bybit/bybitapi"
"github.com/c9s/bbgo/pkg/types"
)
// https://bybit-exchange.github.io/docs/zh-TW/v5/rate-limit
// sharedRateLimiter indicates that the API belongs to the public API.
//
// The default order limiter apply 2 requests per second and a 2 initial bucket
// this includes QueryMarkets, QueryTicker
var sharedRateLimiter = rate.NewLimiter(rate.Every(time.Second/2), 2)
var log = logrus.WithFields(logrus.Fields{
"exchange": "bybit",
})
type Exchange struct {
key, secret string
client *bybitapi.RestClient
}
func New(key, secret string) (*Exchange, error) {
client, err := bybitapi.NewClient()
if err != nil {
return nil, err
}
if len(key) > 0 && len(secret) > 0 {
client.Auth(key, secret)
}
return &Exchange{
key: key,
// pragma: allowlist nextline secret
secret: secret,
client: client,
}, nil
}
func (e *Exchange) Name() types.ExchangeName {
return types.ExchangeBybit
}
// PlatformFeeCurrency returns empty string. The platform does not support "PlatformFeeCurrency" but instead charges
// fees using the native token.
func (e *Exchange) PlatformFeeCurrency() string {
return ""
}
func (e *Exchange) QueryMarkets(ctx context.Context) (types.MarketMap, error) {
if err := sharedRateLimiter.Wait(ctx); err != nil {
log.WithError(err).Errorf("markets rate limiter wait error")
return nil, err
}
instruments, err := e.client.NewGetInstrumentsInfoRequest().Do(ctx)
if err != nil {
log.Warnf("failed to query instruments, err: %v", err)
return nil, err
}
marketMap := types.MarketMap{}
for _, s := range instruments.List {
marketMap.Add(toGlobalMarket(s))
}
return marketMap, nil
}
func (e *Exchange) QueryTicker(ctx context.Context, symbol string) (*types.Ticker, error) {
if err := sharedRateLimiter.Wait(ctx); err != nil {
log.WithError(err).Errorf("ticker rate limiter wait error")
return nil, err
}
s, err := e.client.NewGetTickersRequest().Symbol(symbol).DoWithResponseTime(ctx)
if err != nil {
log.Warnf("failed to get tickers, symbol: %s, err: %v", symbol, err)
return nil, err
}
if len(s.List) != 1 {
log.Warnf("unexpected ticker length, exp: 1, got: %d", len(s.List))
return nil, fmt.Errorf("unexpected ticker lenght, exp:1, got:%d", len(s.List))
}
ticker := toGlobalTicker(s.List[0], s.ClosedTime.Time())
return &ticker, nil
}
func (e *Exchange) QueryTickers(ctx context.Context, symbols ...string) (map[string]types.Ticker, error) {
tickers := map[string]types.Ticker{}
if len(symbols) > 0 {
for _, s := range symbols {
t, err := e.QueryTicker(ctx, s)
if err != nil {
return nil, err
}
tickers[s] = *t
}
return tickers, nil
}
if err := sharedRateLimiter.Wait(ctx); err != nil {
log.WithError(err).Errorf("ticker rate limiter wait error")
return nil, err
}
allTickers, err := e.client.NewGetTickersRequest().DoWithResponseTime(ctx)
if err != nil {
log.Warnf("failed to get tickers, err: %v", err)
return nil, err
}
for _, s := range allTickers.List {
tickers[s.Symbol] = toGlobalTicker(s, allTickers.ClosedTime.Time())
}
return tickers, nil
}