examples: delete the outdated create-self-trade example

examples/create-self-trade/main.go

@@ -1,141 +0,0 @@
-package main
-
-import (
-	"context"
-	"fmt"
-	"math"
-	"strings"
-	"syscall"
-	"time"
-
-	"github.com/joho/godotenv"
-	log "github.com/sirupsen/logrus"
-	"github.com/spf13/cobra"
-	"github.com/spf13/viper"
-
-	"github.com/c9s/bbgo/pkg/cmd/cmdutil"
-	exchange2 "github.com/c9s/bbgo/pkg/exchange"
-	"github.com/c9s/bbgo/pkg/types"
-)
-
-func init() {
-	rootCmd.PersistentFlags().String("exchange", "binance", "exchange name")
-	rootCmd.PersistentFlags().String("symbol", "SANDUSDT", "symbol")
-}
-
-var rootCmd = &cobra.Command{
-	Use:   "create-self-trade",
-	Short: "this program creates the self trade by getting the market ticker",
-
-	// SilenceUsage is an option to silence usage when an error occurs.
-	SilenceUsage: true,
-
-	RunE: func(cmd *cobra.Command, args []string) error {
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		if err := godotenv.Load(".env.local"); err != nil {
-			log.Fatal(err)
-		}
-
-		symbol, err := cmd.Flags().GetString("symbol")
-		if err != nil {
-			return err
-		}
-
-		exchangeNameStr, err := cmd.Flags().GetString("exchange")
-		if err != nil {
-			return err
-		}
-
-		exchangeName, err := types.ValidExchangeName(exchangeNameStr)
-		if err != nil {
-			return err
-		}
-
-		exchange, err := exchange2.New(exchangeName)
-		if err != nil {
-			return err
-		}
-
-		markets, err := exchange.QueryMarkets(ctx)
-		if err != nil {
-			return err
-		}
-
-		market, ok := markets[symbol]
-		if !ok {
-			return fmt.Errorf("market %s is not defined", symbol)
-		}
-
-		stream := exchange.NewStream()
-		stream.OnTradeUpdate(func(trade types.Trade) {
-			log.Infof("trade: %+v", trade)
-		})
-
-		log.Info("connecting websocket...")
-		if err := stream.Connect(ctx); err != nil {
-			log.Fatal(err)
-		}
-
-		time.Sleep(time.Second)
-
-		ticker, err := exchange.QueryTicker(ctx, symbol)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		price := ticker.Buy + market.TickSize
-
-		if int64(ticker.Sell*1e8) == int64(price*1e8) {
-			log.Fatal("zero spread, can not continue")
-		}
-
-		quantity := math.Max(market.MinNotional/price, market.MinQuantity) * 1.1
-
-		log.Infof("submiting order using quantity %f at price %f", quantity, price)
-
-		createdOrders, err := exchange.SubmitOrders(ctx, []types.SubmitOrder{
-			{
-				Symbol:      symbol,
-				Market:      market,
-				Side:        types.SideTypeBuy,
-				Type:        types.OrderTypeLimit,
-				Price:       price,
-				Quantity:    quantity,
-				TimeInForce: "GTC",
-			},
-			{
-				Symbol:      symbol,
-				Market:      market,
-				Side:        types.SideTypeSell,
-				Type:        types.OrderTypeLimit,
-				Price:       price,
-				Quantity:    quantity,
-				TimeInForce: "GTC",
-			},
-		}...)
-
-		if err != nil {
-			return err
-		}
-
-		log.Info(createdOrders)
-
-		cmdutil.WaitForSignal(ctx, syscall.SIGINT, syscall.SIGTERM)
-		return nil
-	},
-}
-
-func main() {
-	viper.AutomaticEnv()
-	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
-
-	if err := viper.BindPFlags(rootCmd.PersistentFlags()); err != nil {
-		log.WithError(err).Error("bind pflags error")
-	}
-
-	if err := rootCmd.ExecuteContext(context.Background()); err != nil {
-		log.WithError(err).Error("cmd error")
-	}
-}