bbgo_origin/pkg/strategy/dca2/round_collector.go

126 lines
3.5 KiB
Go

package dca2
import (
"context"
"strconv"
"time"
"github.com/c9s/bbgo/pkg/exchange"
maxapi "github.com/c9s/bbgo/pkg/exchange/max/maxapi"
"github.com/c9s/bbgo/pkg/exchange/retry"
"github.com/c9s/bbgo/pkg/types"
"github.com/sirupsen/logrus"
)
type RoundCollector struct {
logger *logrus.Entry
symbol string
groupID uint32
isMax bool
// service
historyService types.ExchangeTradeHistoryService
queryService types.ExchangeOrderQueryService
}
func NewRoundCollector(logger *logrus.Entry, symbol string, groupID uint32, ex types.Exchange) *RoundCollector {
isMax := exchange.IsMaxExchange(ex)
historyService, ok := ex.(types.ExchangeTradeHistoryService)
if !ok {
logger.Errorf("exchange %s doesn't support ExchangeTradeHistoryService", ex.Name())
return nil
}
queryService, ok := ex.(types.ExchangeOrderQueryService)
if !ok {
logger.Errorf("exchange %s doesn't support ExchangeOrderQueryService", ex.Name())
return nil
}
return &RoundCollector{
logger: logger,
symbol: symbol,
groupID: groupID,
isMax: isMax,
historyService: historyService,
queryService: queryService,
}
}
func (rc *RoundCollector) CollectFinishRounds(ctx context.Context, fromOrderID uint64) ([]Round, error) {
// TODO: pagination for it
// query the orders
rc.logger.Infof("query %s closed orders from order id #%d", rc.symbol, fromOrderID)
orders, err := retry.QueryClosedOrdersUntilSuccessfulLite(ctx, rc.historyService, rc.symbol, time.Time{}, time.Time{}, fromOrderID)
if err != nil {
return nil, err
}
rc.logger.Infof("there are %d closed orders from order id #%d", len(orders), fromOrderID)
var rounds []Round
var round Round
for _, order := range orders {
// skip not this strategy order
if order.GroupID != rc.groupID {
continue
}
switch order.Side {
case types.SideTypeBuy:
round.OpenPositionOrders = append(round.OpenPositionOrders, order)
case types.SideTypeSell:
if !rc.isMax {
if order.Status != types.OrderStatusFilled {
rc.logger.Infof("take-profit order is %s not filled, so this round is not finished. Skip it", order.Status)
continue
}
} else {
if !maxapi.IsFilledOrderState(maxapi.OrderState(order.OriginalStatus)) {
rc.logger.Infof("isMax and take-profit order is %s not done or finalizing, so this round is not finished. Skip it", order.OriginalStatus)
continue
}
}
round.TakeProfitOrder = order
rounds = append(rounds, round)
round = Round{}
default:
rc.logger.Errorf("there is order with unsupported side")
}
}
return rounds, nil
}
func (rc *RoundCollector) CollectRoundTrades(ctx context.Context, round Round) ([]types.Trade, error) {
debugRoundOrders(rc.logger, "collect round trades", round)
var roundTrades []types.Trade
var roundOrders []types.Order = round.OpenPositionOrders
roundOrders = append(roundOrders, round.TakeProfitOrder)
for _, order := range roundOrders {
rc.logger.Infof("collect trades from order: %s", order.String())
if order.ExecutedQuantity.Sign() == 0 {
rc.logger.Info("collect trads from order but no executed quantity ", order.String())
continue
} else {
rc.logger.Info("collect trades from order ", order.String())
}
trades, err := retry.QueryOrderTradesUntilSuccessfulLite(ctx, rc.queryService, types.OrderQuery{
Symbol: order.Symbol,
OrderID: strconv.FormatUint(order.OrderID, 10),
})
if err != nil {
return nil, err
}
roundTrades = append(roundTrades, trades...)
}
return roundTrades, nil
}