package bbgo import ( "context" "fmt" "github.com/c9s/bbgo/pkg/slack/slackstyle" "github.com/c9s/bbgo/pkg/util" "github.com/leekchan/accounting" "github.com/sirupsen/logrus" "github.com/slack-go/slack" "strconv" "time" ) var USD = accounting.Accounting{Symbol: "$ ", Precision: 2} var BTC = accounting.Accounting{Symbol: "BTC ", Precision: 8} type Trader struct { // Context is trading Context Context *TradingContext Exchange *BinanceExchange Slack *slack.Client TradingChannel string ErrorChannel string InfoChannel string } func (t *Trader) Infof(format string, args ...interface{}) { var slackAttachments []slack.Attachment = nil var slackArgsStartIdx = -1 for idx, arg := range args { switch a := arg.(type) { // concrete type assert first case slack.Attachment: if slackArgsStartIdx == -1 { slackArgsStartIdx = idx } slackAttachments = append(slackAttachments, a) case slackstyle.SlackAttachmentCreator: if slackArgsStartIdx == -1 { slackArgsStartIdx = idx } slackAttachments = append(slackAttachments, a.SlackAttachment()) } } var nonSlackArgs = []interface{}{} if slackArgsStartIdx > 0 { nonSlackArgs = args[:slackArgsStartIdx] } logrus.Infof(format, nonSlackArgs...) _, _, err := t.Slack.PostMessageContext(context.Background(), t.InfoChannel, slack.MsgOptionText(fmt.Sprintf(format, nonSlackArgs...), true), slack.MsgOptionAttachments(slackAttachments...)) if err != nil { logrus.WithError(err).Error("Slack error:", err) } } func (t *Trader) Errorf(err error, format string, args ...interface{}) { logrus.WithError(err).Errorf(format, args...) _, _, err2 := t.Slack.PostMessageContext(context.Background(), t.ErrorChannel, slack.MsgOptionText("ERROR: "+err.Error()+" "+fmt.Sprintf(format, args...), true)) if err2 != nil { logrus.WithError(err2).Error("Slack error:", err2) } } func (t *Trader) ReportTrade(e *BinanceExecutionReportEvent, trade *Trade) { var color = "" if trade.IsBuyer { color = "#228B22" } else { color = "#DC143C" } _, _, err := t.Slack.PostMessageContext(context.Background(), t.TradingChannel, slack.MsgOptionText(util.Render(`:handshake: {{ .CurrentExecutionType }} execution`, e), true), slack.MsgOptionAttachments(slack.Attachment{ Title: "New Trade", Color: color, // Pretext: "", // Text: "", Fields: []slack.AttachmentField{ {Title: "Market", Value: trade.Market, Short: true,}, {Title: "Side", Value: e.Side, Short: true,}, {Title: "Price", Value: USD.FormatMoney(trade.Price), Short: true,}, {Title: "Volume", Value: t.Context.Market.FormatVolume(trade.Volume), Short: true,}, }, // Footer: tradingCtx.TradeStartTime.Format(time.RFC822), // FooterIcon: "", })) if err != nil { t.Errorf(err, "Slack send error") } } func (t *Trader) ReportPnL() { tradingCtx := t.Context report := tradingCtx.ProfitAndLossCalculator.Calculate() report.Print() var color = "" if report.Profit > 0 { color = slackstyle.Green } else { color = slackstyle.Red } _, _, err := t.Slack.PostMessageContext(context.Background(), t.TradingChannel, slack.MsgOptionText(util.Render( `:heavy_dollar_sign: Here is your *{{ .symbol }}* PnL report collected since *{{ .startTime }}*`, map[string]interface{}{ "symbol": tradingCtx.Symbol, "startTime": report.StartTime.Format(time.RFC822), }), true), slack.MsgOptionAttachments(slack.Attachment{ Title: "Profit and Loss report", Color: color, // Pretext: "", // Text: "", Fields: []slack.AttachmentField{ { Title: "Market", Value: tradingCtx.Symbol, Short: true, }, { Title: "Profit", Value: USD.FormatMoney(report.Profit), Short: true, }, { Title: "Current Price", Value: USD.FormatMoney(report.CurrentPrice), Short: true, }, { Title: "Average Bid Price", Value: USD.FormatMoney(report.AverageBidPrice), Short: true, }, { Title: "Current Stock", Value: tradingCtx.Market.FormatVolume(report.Stock), Short: true, }, { Title: "Number of Trades", Value: strconv.Itoa(report.NumTrades), Short: true, }, }, Footer: report.StartTime.Format(time.RFC822), FooterIcon: "", })) if err != nil { t.Errorf(err, "Slack send error") } } func (t *Trader) SubmitOrder(ctx context.Context, order *Order) { t.Infof(":memo: Submitting %s order on side %s with volume: %s", order.Type, order.Side, order.VolumeStr, order.SlackAttachment()) err := t.Exchange.SubmitOrder(ctx, order) if err != nil { t.Errorf(err, "order create error: side %s volume: %s", order.Side, order.VolumeStr) return } }