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113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
package protocol
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import (
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"errors"
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"fmt"
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"github.com/injoyai/conv"
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)
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// HistoryMinuteTradeAllReq 获取指定日期全部数据的请求参数
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type HistoryMinuteTradeAllReq struct {
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Date string //20241030
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Exchange Exchange
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Code string
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}
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// HistoryMinuteTradeReq 获取指定日期分页数据的请求参数
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type HistoryMinuteTradeReq struct {
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Date string //20241030
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Exchange Exchange
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Code string
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Start uint16
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Count uint16
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}
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func (req HistoryMinuteTradeReq) Check() error {
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if req.Count > 2000 {
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return errors.New("数量不能超过2000")
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}
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return nil
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}
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// HistoryMinuteTradeResp 历史分时交易比实时少了单量
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type HistoryMinuteTradeResp struct {
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Count uint16
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List []*HistoryMinuteTrade
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}
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type HistoryMinuteTrade struct {
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Time string //时间
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Price Price //价格
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Volume int //成交量
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Status int //0是买，1是卖，2无效（汇总出现）
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}
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func (this *HistoryMinuteTrade) String() string {
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return fmt.Sprintf("%s \t%s \t%-6s \t%-6d(手) \t%-4s", this.Time, this.Price, this.Amount(), this.Volume, this.StatusString())
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}
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// Amount 成交额
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func (this *HistoryMinuteTrade) Amount() Price {
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return this.Price * Price(this.Volume) * 100
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}
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func (this *HistoryMinuteTrade) StatusString() string {
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switch this.Status {
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case 0:
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return "买入"
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case 1:
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return "卖出"
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default:
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return ""
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}
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}
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type historyMinuteTrade struct{}
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func (historyMinuteTrade) Frame(req HistoryMinuteTradeReq) (*Frame, error) {
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if err := req.Check(); err != nil {
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return nil, err
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}
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date := conv.Uint32(req.Date) //req.Time.Format("20060102"))
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dataBs := Bytes(date)
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dataBs = append(dataBs, req.Exchange.Uint8(), 0x0)
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dataBs = append(dataBs, []byte(req.Code)...)
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dataBs = append(dataBs, Bytes(req.Start)...)
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dataBs = append(dataBs, Bytes(req.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 (historyMinuteTrade) Decode(bs []byte, code string) (*HistoryMinuteTradeResp, 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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resp := &HistoryMinuteTradeResp{
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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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mt := &HistoryMinuteTrade{
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Time: GetHourMinute([2]byte(bs[:2])),
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}
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var sub Price
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bs, sub = GetPrice(bs[2:])
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lastPrice += sub
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mt.Price = lastPrice / basePrice(code)
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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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