bbgo_origin/pkg/cmd/backtest.go

108 lines
2.7 KiB
Go

package cmd
import (
"context"
"syscall"
"time"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/c9s/bbgo/pkg/backtest"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/cmd/cmdutil"
"github.com/c9s/bbgo/pkg/service"
"github.com/c9s/bbgo/pkg/types"
)
func init() {
BacktestCmd.Flags().String("exchange", "", "target exchange")
BacktestCmd.Flags().Bool("sync", true, "sync backtest data")
BacktestCmd.Flags().String("config", "config/bbgo.yaml", "strategy config file")
RootCmd.AddCommand(BacktestCmd)
}
var BacktestCmd = &cobra.Command{
Use: "backtest",
Short: "backtest your strategies",
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
configFile, err := cmd.Flags().GetString("config")
if err != nil {
return err
}
if len(configFile) == 0 {
return errors.New("--config option is required")
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
userConfig, err := bbgo.Load(configFile)
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
}
db, err := cmdutil.ConnectMySQL()
if err != nil {
return err
}
if userConfig.Backtest == nil {
return errors.New("backtest config is not defined")
}
// set default start time to the past 6 months
startTime := time.Now().AddDate(0, -6, 0)
if len(userConfig.Backtest.StartTime) == 0 {
userConfig.Backtest.StartTime = startTime.Format("2006-01-02")
}
backtestService := &service.BacktestService{DB: db}
exchange := backtest.NewExchange(exchangeName, backtestService, userConfig.Backtest)
environ := bbgo.NewEnvironment()
environ.AddExchange(exchangeName.String(), exchange)
environ.Notifiability = bbgo.Notifiability{
SymbolChannelRouter: bbgo.NewPatternChannelRouter(nil),
SessionChannelRouter: bbgo.NewPatternChannelRouter(nil),
ObjectChannelRouter: bbgo.NewObjectChannelRouter(),
}
trader := bbgo.NewTrader(environ)
if userConfig.RiskControls != nil {
trader.SetRiskControls(userConfig.RiskControls)
}
for _, entry := range userConfig.ExchangeStrategies {
log.Infof("attaching strategy %T on %s instead of %v", entry.Strategy, exchangeName.String(), entry.Mounts)
trader.AttachStrategyOn(exchangeName.String(), entry.Strategy)
}
if len(userConfig.CrossExchangeStrategies) > 0 {
log.Warnf("backtest does not support CrossExchangeStrategy, strategies won't be added.")
}
if err := trader.Run(ctx); err != nil {
return err
}
cmdutil.WaitForSignal(ctx, syscall.SIGINT, syscall.SIGTERM)
return nil
},
}