and yet more

internal/cache/cache.go

@@ -18,8 +18,31 @@
 
 package cache
 
+import (
+	"sync"
+	"time"
+)
+
 // Cache defines an in-memory cache that is safe to be wiped when the application is restarted
 type Cache interface {
 	Store(k string, v interface{}) error
 	Fetch(k string) (interface{}, error)
 }
+
+type cache struct {
+	stored *sync.Map
+}
+
+// New returns a new in-memory cache.
+func New() Cache {
+   cache := &cache{
+		stored: &sync.Map{},
+	}
+   go cache.sweep()
+   return cache
+}
+
+type cacheEntry struct {
+	updated time.Time
+	value   interface{}
+}