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pnl.go
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pnl.go
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package cmd
import (
"context"
"fmt"
"os"
"strings"
"time"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/c9s/bbgo/pkg/accounting"
"github.com/c9s/bbgo/pkg/accounting/pnl"
"github.com/c9s/bbgo/pkg/bbgo"
"github.com/c9s/bbgo/pkg/service"
"github.com/c9s/bbgo/pkg/types"
)
func init() {
PnLCmd.Flags().String("session", "", "target exchange")
PnLCmd.Flags().String("symbol", "", "trading symbol")
PnLCmd.Flags().Bool("include-transfer", false, "convert transfer records into trades")
PnLCmd.Flags().Int("limit", 500, "number of trades")
RootCmd.AddCommand(PnLCmd)
}
var PnLCmd = &cobra.Command{
Use: "pnl",
Short: "pnl calculator",
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
ctx := context.Background()
configFile, err := cmd.Flags().GetString("config")
if err != nil {
return err
}
if len(configFile) == 0 {
return errors.New("--config option is required")
}
if _, err := os.Stat(configFile); os.IsNotExist(err) {
return err
}
userConfig, err := bbgo.Load(configFile, false)
if err != nil {
return err
}
sessionName, err := cmd.Flags().GetString("session")
if err != nil {
return err
}
symbol, err := cmd.Flags().GetString("symbol")
if err != nil {
return err
}
if len(symbol) == 0 {
return errors.New("--symbol [SYMBOL] is required")
}
limit, err := cmd.Flags().GetInt("limit")
if err != nil {
return err
}
environ := bbgo.NewEnvironment()
if err := environ.ConfigureDatabase(ctx); err != nil {
return err
}
if err := environ.ConfigureExchangeSessions(userConfig); err != nil {
return err
}
session, ok := environ.Session(sessionName)
if !ok {
return fmt.Errorf("session %s not found", sessionName)
}
if err := environ.Sync(ctx) ; err != nil {
return err
}
exchange := session.Exchange
market, ok := session.Market(symbol)
if !ok {
return fmt.Errorf("market config %s not found", symbol)
}
since := time.Now().AddDate(-1, 0, 0)
until := time.Now()
includeTransfer, err := cmd.Flags().GetBool("include-transfer")
if err != nil {
return err
}
if includeTransfer {
transferService, ok := exchange.(types.ExchangeTransferService)
if !ok {
return fmt.Errorf("session exchange %s does not implement transfer service", sessionName)
}
deposits, err := transferService.QueryDepositHistory(ctx, market.BaseCurrency, since, until)
if err != nil {
return err
}
_ = deposits
withdrawals, err := transferService.QueryWithdrawHistory(ctx, market.BaseCurrency, since, until)
if err != nil {
return err
}
_ = withdrawals
// we need the backtest klines for the daily prices
backtestService := &service.BacktestService{DB: environ.DatabaseService.DB}
if err := backtestService.SyncKLineByInterval(ctx, exchange, symbol, types.Interval1d, since, until); err != nil {
return err
}
}
var trades []types.Trade
tradingFeeCurrency := exchange.PlatformFeeCurrency()
if strings.HasPrefix(symbol, tradingFeeCurrency) {
log.Infof("loading all trading fee currency related trades: %s", symbol)
trades, err = environ.TradeService.QueryForTradingFeeCurrency(exchange.Name(), symbol, tradingFeeCurrency)
} else {
trades, err = environ.TradeService.Query(service.QueryTradesOptions{
Exchange: exchange.Name(),
Symbol: symbol,
Limit: limit,
})
}
if err != nil {
return err
}
log.Infof("%d trades loaded", len(trades))
stockManager := &accounting.StockDistribution{
Symbol: symbol,
TradingFeeCurrency: tradingFeeCurrency,
}
checkpoints, err := stockManager.AddTrades(trades)
if err != nil {
return err
}
log.Infof("found checkpoints: %+v", checkpoints)
log.Infof("stock: %f", stockManager.Stocks.Quantity())
tickers, err := exchange.QueryTickers(ctx, symbol)
if err != nil {
return err
}
currentTick, ok := tickers[symbol]
if !ok {
return errors.New("no ticker data for current price")
}
currentPrice := currentTick.Last
calculator := &pnl.AverageCostCalculator{
TradingFeeCurrency: tradingFeeCurrency,
}
report := calculator.Calculate(symbol, trades, currentPrice)
report.Print()
return nil
},
}