Rework antireplay

antireplay/init.go

@@ -0,0 +1,31 @@
+package antireplay
+
+import (
+	"sync"
+
+	"github.com/9seconds/mtg/config"
+	"github.com/allegro/bigcache"
+)
+
+var (
+	Cache    *cache
+	initOnce sync.Once
+)
+
+func Init() {
+	initOnce.Do(func() {
+		c, err := bigcache.NewBigCache(bigcache.Config{
+			Shards:           1024,
+			LifeWindow:       config.C.AntiReplay.EvictionTime,
+			Hasher:           hasher{},
+			HardMaxCacheSize: config.C.AntiReplay.MaxSize,
+		})
+		if err != nil {
+			panic(err)
+		}
+
+		Cache = &cache{
+			cache: c,
+		}
+	})
+}