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sync.go
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sync.go
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package service
import (
"context"
"errors"
"time"
"github.com/c9s/bbgo/pkg/cache"
log "github.com/sirupsen/logrus"
"github.com/c9s/bbgo/pkg/types"
)
var ErrNotImplemented = errors.New("not implemented")
var ErrExchangeRewardServiceNotImplemented = errors.New("exchange does not implement ExchangeRewardService interface")
type SyncService struct {
TradeService *TradeService
OrderService *OrderService
RewardService *RewardService
WithdrawService *WithdrawService
DepositService *DepositService
MarginService *MarginService
}
// SyncSessionSymbols syncs the trades from the given exchange session
func (s *SyncService) SyncSessionSymbols(ctx context.Context, exchange types.Exchange, startTime time.Time, symbols ...string) error {
markets, err := cache.LoadExchangeMarketsWithCache(ctx, exchange)
if err != nil {
return err
}
for _, symbol := range symbols {
if _, ok := markets[symbol]; ok {
log.Infof("syncing %s %s trades...", exchange.Name(), symbol)
if err := s.TradeService.Sync(ctx, exchange, symbol, startTime); err != nil {
return err
}
log.Infof("syncing %s %s orders...", exchange.Name(), symbol)
if err := s.OrderService.Sync(ctx, exchange, symbol, startTime); err != nil {
return err
}
}
}
return nil
}
func (s *SyncService) SyncMarginHistory(ctx context.Context, exchange types.Exchange, startTime time.Time, assets ...string) error {
if _, implemented := exchange.(types.MarginHistoryService); !implemented {
log.Debugf("exchange %T does not support types.MarginHistoryService", exchange)
return nil
}
if marginExchange, implemented := exchange.(types.MarginExchange); !implemented {
log.Debugf("exchange %T does not implement types.MarginExchange", exchange)
return nil
} else {
marginSettings := marginExchange.GetMarginSettings()
if !marginSettings.IsMargin {
log.Debugf("exchange %T is not using margin", exchange)
return nil
}
}
log.Infof("syncing %s margin history: %v...", exchange.Name(), assets)
for _, asset := range assets {
if err := s.MarginService.Sync(ctx, exchange, asset, startTime); err != nil {
return err
}
}
return nil
}
func (s *SyncService) SyncRewardHistory(ctx context.Context, exchange types.Exchange, startTime time.Time) error {
if _, implemented := exchange.(types.ExchangeRewardService); !implemented {
return nil
}
log.Infof("syncing %s reward records...", exchange.Name())
if err := s.RewardService.Sync(ctx, exchange, startTime); err != nil {
return err
}
return nil
}
func (s *SyncService) SyncDepositHistory(ctx context.Context, exchange types.Exchange, startTime time.Time) error {
log.Infof("syncing %s deposit records...", exchange.Name())
if err := s.DepositService.Sync(ctx, exchange, startTime); err != nil {
if err != ErrNotImplemented {
log.Warnf("%s deposit service is not supported", exchange.Name())
return err
}
}
return nil
}
func (s *SyncService) SyncWithdrawHistory(ctx context.Context, exchange types.Exchange, startTime time.Time) error {
log.Infof("syncing %s withdraw records...", exchange.Name())
if err := s.WithdrawService.Sync(ctx, exchange, startTime); err != nil {
if err != ErrNotImplemented {
log.Warnf("%s withdraw service is not supported", exchange.Name())
return err
}
}
return nil
}