init

demo/show.go

@@ -0,0 +1,45 @@
+package demo
+
+import (
+	"github.com/banbox/banbot/btime"
+	"github.com/banbox/banbot/config"
+	"github.com/banbox/banbot/core"
+	"github.com/banbox/banbot/strat"
+	"github.com/banbox/banexg/log"
+	"go.uber.org/zap"
+	"strings"
+	"sync"
+)
+
+func Show(pol *config.RunPolicyConfig) *strat.TradeStrat {
+	pairMap := make(map[string]int)
+	var copied []string
+	var lastMS int64
+	var lockPair sync.Mutex
+	return &strat.TradeStrat{
+		EachMaxLong: 1,
+		OnStartUp: func(s *strat.StratJob) {
+			lockPair.Lock()
+			base, _, _, _ := core.SplitSymbol(s.Symbol.Symbol)
+			pairMap[base] = 0
+			lockPair.Unlock()
+		},
+		OnBar: func(s *strat.StratJob) {
+			curMS := s.Env.TimeStop
+			if curMS > lastMS {
+				if len(copied) > 0 {
+					date := btime.ToDateStr(lastMS, core.DefaultDateFmt)
+					lockPair.Lock()
+					totalNum := len(pairMap)
+					lockPair.Unlock()
+					log.Info("OnBar", zap.String("date", date), zap.Int("got", len(copied)),
+						zap.Int("total", totalNum), zap.String("copied", strings.Join(copied, ",")))
+				}
+				lastMS = curMS
+				copied = nil
+			}
+			base, _, _, _ := core.SplitSymbol(s.Symbol.Symbol)
+			copied = append(copied, base)
+		},
+	}
+}