mirror of
https://github.com/c9s/bbgo.git
synced 2024-11-10 09:11:55 +00:00
107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package service
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import (
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"context"
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"time"
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"github.com/jmoiron/sqlx"
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"github.com/c9s/bbgo/pkg/types"
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)
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type WithdrawService struct {
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DB *sqlx.DB
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}
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// Sync syncs the withdraw records into db
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func (s *WithdrawService) Sync(ctx context.Context, ex types.Exchange) error {
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txnIDs := map[string]struct{}{}
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// query descending
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records, err := s.QueryLast(ex.Name(), 10)
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if err != nil {
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return err
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}
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for _, record := range records {
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txnIDs[record.TransactionID] = struct{}{}
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}
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transferApi, ok := ex.(types.ExchangeTransferService)
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if !ok {
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return ErrNotImplemented
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}
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since := time.Time{}
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if len(records) > 0 {
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since = records[len(records)-1].ApplyTime.Time()
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}
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// asset "" means all assets
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withdraws, err := transferApi.QueryWithdrawHistory(ctx, "", since, time.Now())
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if err != nil {
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return err
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}
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for _, withdraw := range withdraws {
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if _, exists := txnIDs[withdraw.TransactionID]; exists {
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continue
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}
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if err := s.Insert(withdraw); err != nil {
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return err
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}
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}
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return nil
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}
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func (s *WithdrawService) QueryLast(ex types.ExchangeName, limit int) ([]types.Withdraw, error) {
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sql := "SELECT * FROM `withdraws` WHERE `exchange` = :exchange ORDER BY `time` DESC LIMIT :limit"
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rows, err := s.DB.NamedQuery(sql, map[string]interface{}{
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"exchange": ex,
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"limit": limit,
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})
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return s.scanRows(rows)
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}
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func (s *WithdrawService) Query(exchangeName types.ExchangeName) ([]types.Withdraw, error) {
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args := map[string]interface{}{
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"exchange": exchangeName,
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}
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sql := "SELECT * FROM `withdraws` WHERE `exchange` = :exchange ORDER BY `time` ASC"
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rows, err := s.DB.NamedQuery(sql, args)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return s.scanRows(rows)
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}
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func (s *WithdrawService) scanRows(rows *sqlx.Rows) (withdraws []types.Withdraw, err error) {
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for rows.Next() {
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var withdraw types.Withdraw
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if err := rows.StructScan(&withdraw); err != nil {
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return withdraws, err
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}
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withdraws = append(withdraws, withdraw)
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}
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return withdraws, rows.Err()
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}
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func (s *WithdrawService) Insert(withdrawal types.Withdraw) error {
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sql := `INSERT INTO withdraws (exchange, asset, network, address, amount, txn_id, txn_fee, time)
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VALUES (:exchange, :asset, :network, :address, :amount, :txn_id, :txn_fee, :time)`
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_, err := s.DB.NamedExec(sql, withdrawal)
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return err
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}
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