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71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
package protocol
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import (
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"errors"
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"github.com/injoyai/conv"
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"time"
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)
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// HistoryTradeResp 历史分时交易比实时少了单量
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type HistoryTradeResp struct {
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Count uint16
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List Trades
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}
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type historyTrade struct{}
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func (historyTrade) Frame(date, code string, start, count uint16) (*Frame, error) {
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exchange, number, err := DecodeCode(code)
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if err != nil {
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return nil, err
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}
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dataBs := Bytes(conv.Uint32(date)) //req.Time.Format("20060102"))
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dataBs = append(dataBs, exchange.Uint8(), 0x0)
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dataBs = append(dataBs, []byte(number)...)
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dataBs = append(dataBs, Bytes(start)...)
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dataBs = append(dataBs, Bytes(count)...)
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return &Frame{
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Control: Control01,
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Type: TypeHistoryMinuteTrade,
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Data: dataBs,
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}, nil
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}
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func (historyTrade) Decode(bs []byte, c TradeCache) (*HistoryTradeResp, error) {
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if len(bs) < 2 {
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return nil, errors.New("数据长度不足")
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}
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_, number, err := DecodeCode(c.Code)
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if err != nil {
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return nil, err
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}
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resp := &HistoryTradeResp{
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Count: Uint16(bs[:2]),
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}
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//第2-6字节不知道是啥
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bs = bs[2+4:]
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lastPrice := Price(0)
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for i := uint16(0); i < resp.Count; i++ {
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timeStr := GetHourMinute([2]byte(bs[:2]))
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t, err := time.Parse("2006010215:04", c.Date+timeStr)
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if err != nil {
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return nil, err
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}
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mt := &Trade{Time: t}
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var sub Price
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bs, sub = GetPrice(bs[2:])
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lastPrice += sub * 10 //把分转成厘
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mt.Price = lastPrice / basePrice(number)
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bs, mt.Volume = CutInt(bs)
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bs, mt.Status = CutInt(bs)
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bs, _ = CutInt(bs) //这个得到的是0，不知道是啥
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resp.List = append(resp.List, mt)
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}
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return resp, nil
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}
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