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Merge pull request #322 from c9s/refactor/exchange-structure
refactor: refactor binance exchange structure
This commit is contained in:
commit
e67942ca69
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@ -7,6 +7,7 @@ import (
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"time"
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"github.com/adshao/go-binance/v2"
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"github.com/adshao/go-binance/v2/futures"
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"github.com/pkg/errors"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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@ -14,6 +15,42 @@ import (
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"github.com/c9s/bbgo/pkg/util"
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)
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func toGlobalMarket(symbol binance.Symbol) types.Market {
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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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return market
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}
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func toGlobalIsolatedUserAsset(userAsset binance.IsolatedUserAsset) types.IsolatedUserAsset {
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return types.IsolatedUserAsset{
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Asset: userAsset.Asset,
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@ -90,8 +127,8 @@ func toGlobalMarginAccount(account *binance.MarginAccount) *types.MarginAccount
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}
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}
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func toGlobalTicker(stats *binance.PriceChangeStats) types.Ticker {
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return types.Ticker{
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func toGlobalTicker(stats *binance.PriceChangeStats) (*types.Ticker, error) {
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return &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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@ -100,9 +137,10 @@ func toGlobalTicker(stats *binance.PriceChangeStats) types.Ticker {
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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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},nil
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}
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func toLocalOrderType(orderType types.OrderType) (binance.OrderType, error) {
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switch orderType {
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@ -303,3 +341,27 @@ func convertSubscription(s types.Subscription) string {
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return fmt.Sprintf("%s@%s", strings.ToLower(s.Symbol), s.Channel)
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}
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func convertPremiumIndex(index *futures.PremiumIndex) (*types.PremiumIndex, error) {
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markPrice, err := fixedpoint.NewFromString(index.MarkPrice)
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if err != nil {
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return nil, err
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}
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lastFundingRate, err := fixedpoint.NewFromString(index.LastFundingRate)
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if err != nil {
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return nil, err
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}
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nextFundingTime := time.Unix(0, index.NextFundingTime*int64(time.Millisecond))
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t := time.Unix(0, index.Time*int64(time.Millisecond))
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return &types.PremiumIndex{
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Symbol: index.Symbol,
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MarkPrice: markPrice,
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NextFundingTime: nextFundingTime,
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LastFundingRate: lastFundingRate,
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Time: t,
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}, nil
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}
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@ -3,14 +3,14 @@ package binance
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import (
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"context"
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"fmt"
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"github.com/adshao/go-binance/v2/futures"
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"golang.org/x/time/rate"
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"net/http"
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"os"
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"strconv"
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"strings"
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"time"
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"golang.org/x/time/rate"
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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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@ -36,6 +36,7 @@ func init() {
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_ = types.Exchange(&Exchange{})
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_ = types.MarginExchange(&Exchange{})
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// FIXME: this is not effected since dotenv is loaded in the rootCmd, not in the init function
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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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@ -74,8 +75,7 @@ func (e *Exchange) QueryTicker(ctx context.Context, symbol string) (*types.Ticke
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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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return toGlobalTicker(stats[0])
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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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@ -136,38 +136,7 @@ func (e *Exchange) QueryMarkets(ctx context.Context) (types.MarketMap, error) {
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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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markets[symbol.Symbol] = toGlobalMarket(symbol)
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}
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return markets, nil
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@ -211,15 +180,6 @@ func (e *Exchange) QueryIsolatedMarginAccount(ctx context.Context, symbols ...st
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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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@ -250,7 +210,7 @@ func (e *Exchange) QueryWithdrawHistory(ctx context.Context, asset string, 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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startTime, err = getLaunchDate()
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if err != nil {
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return nil, err
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}
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@ -338,7 +298,7 @@ func (e *Exchange) QueryDepositHistory(ctx context.Context, asset string, 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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startTime, err = getLaunchDate()
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if err != nil {
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return nil, err
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}
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@ -925,44 +885,7 @@ func (e *Exchange) BatchQueryKLines(ctx context.Context, symbol string, interval
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return allKLines, nil
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}
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type FundingRate struct {
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FundingRate fixedpoint.Value
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FundingTime time.Time
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Time time.Time
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}
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type PremiumIndex struct {
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Symbol string `json:"symbol"`
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MarkPrice fixedpoint.Value `json:"markPrice"`
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LastFundingRate fixedpoint.Value `json:"lastFundingRate"`
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NextFundingTime time.Time `json:"nextFundingTime"`
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Time time.Time `json:"time"`
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}
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func convertPremiumIndex(index *futures.PremiumIndex) (*PremiumIndex, error) {
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markPrice, err := fixedpoint.NewFromString(index.MarkPrice)
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if err != nil {
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return nil, err
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}
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lastFundingRate, err := fixedpoint.NewFromString(index.LastFundingRate)
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if err != nil {
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return nil, err
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}
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nextFundingTime := time.Unix(0, index.NextFundingTime*int64(time.Millisecond))
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t := time.Unix(0, index.Time*int64(time.Millisecond))
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return &PremiumIndex{
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Symbol: index.Symbol,
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MarkPrice: markPrice,
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NextFundingTime: nextFundingTime,
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LastFundingRate: lastFundingRate,
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Time: t,
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}, nil
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}
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func (e *Exchange) QueryPremiumIndex(ctx context.Context, symbol string) (*PremiumIndex, error) {
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func (e *Exchange) QueryPremiumIndex(ctx context.Context, symbol string) (*types.PremiumIndex, error) {
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futuresClient := binance.NewFuturesClient(e.key, e.secret)
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// when symbol is set, only one index will be returned.
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@ -974,7 +897,7 @@ func (e *Exchange) QueryPremiumIndex(ctx context.Context, symbol string) (*Premi
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return convertPremiumIndex(indexes[0])
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}
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func (e *Exchange) QueryFundingRateHistory(ctx context.Context, symbol string) (*FundingRate, error) {
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func (e *Exchange) QueryFundingRateHistory(ctx context.Context, symbol string) (*types.FundingRate, error) {
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futuresClient := binance.NewFuturesClient(e.key, e.secret)
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rates, err := futuresClient.NewFundingRateService().
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Symbol(symbol).
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@ -994,9 +917,19 @@ func (e *Exchange) QueryFundingRateHistory(ctx context.Context, symbol string) (
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return nil, err
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}
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return &FundingRate{
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return &types.FundingRate{
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FundingRate: fundingRate,
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FundingTime: time.Unix(0, rate.FundingTime*int64(time.Millisecond)),
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Time: time.Unix(0, rate.Time*int64(time.Millisecond)),
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}, nil
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}
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func 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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@ -4,13 +4,14 @@ import (
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"context"
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"errors"
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"fmt"
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"github.com/c9s/bbgo/pkg/exchange/binance"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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"github.com/sirupsen/logrus"
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"math"
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"strings"
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"time"
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"github.com/c9s/bbgo/pkg/exchange/binance"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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"github.com/sirupsen/logrus"
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"github.com/c9s/bbgo/pkg/bbgo"
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"github.com/c9s/bbgo/pkg/types"
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)
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@ -87,7 +88,7 @@ func (s *Strategy) Validate() error {
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}
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func (s *Strategy) listenToFundingRate(ctx context.Context, exchange *binance.Exchange) {
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var previousIndex, fundingRate24HoursLowIndex *binance.PremiumIndex
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var previousIndex, fundingRate24HoursLowIndex *types.PremiumIndex
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fundingRateTicker := time.NewTicker(1 * time.Hour)
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defer fundingRateTicker.Stop()
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13
pkg/types/fundingrate.go
Normal file
13
pkg/types/fundingrate.go
Normal file
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@ -0,0 +1,13 @@
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package types
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import (
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"time"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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)
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type FundingRate struct {
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FundingRate fixedpoint.Value
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FundingTime time.Time
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Time time.Time
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}
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15
pkg/types/premiumindex.go
Normal file
15
pkg/types/premiumindex.go
Normal file
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@ -0,0 +1,15 @@
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package types
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import (
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"time"
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"github.com/c9s/bbgo/pkg/fixedpoint"
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)
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type PremiumIndex struct {
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Symbol string `json:"symbol"`
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MarkPrice fixedpoint.Value `json:"markPrice"`
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LastFundingRate fixedpoint.Value `json:"lastFundingRate"`
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NextFundingTime time.Time `json:"nextFundingTime"`
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Time time.Time `json:"time"`
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}
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