code: func (s *PrivateAccountAPI) SignAndSendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
  	return s.SendTransaction(ctx, args, passwd)
  }
docs: // SignAndSendTransaction was renamed to SendTransaction. This method is deprecated
  // and will be removed in the future. It primary goal is to give clients time to update.