[#639] node: Refactor TTL cache

Migrate from internal to external TTL implementation

Signed-off-by: Alexander Chuprov <a.chuprov@yadro.com>

cmd/frostfs-node/cache_test.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestTTLNetCache(t *testing.T) {
+	ttlDuration := time.Millisecond * 50
+	cache := newNetworkTTLCache[string, time.Time](10, ttlDuration, testNetValueReader)
+
+	key := "key"
+
+	t.Run("Test Add and Get", func(t *testing.T) {
+		ti := time.Now()
+		cache.set(key, ti, nil)
+		val, err := cache.get(key)
+		require.NoError(t, err)
+		require.Equal(t, ti, val)
+	})
+
+	t.Run("Test TTL", func(t *testing.T) {
+		ti := time.Now()
+		cache.set(key, ti, nil)
+		time.Sleep(2 * ttlDuration)
+		val, err := cache.get(key)
+		require.NoError(t, err)
+		require.NotEqual(t, val, ti)
+	})
+
+	t.Run("Test Remove", func(t *testing.T) {
+		ti := time.Now()
+		cache.set(key, ti, nil)
+		cache.remove(key)
+		val, err := cache.get(key)
+		require.NoError(t, err)
+		require.NotEqual(t, val, ti)
+	})
+
+	t.Run("Test Cache Error", func(t *testing.T) {
+		cache.set("error", time.Now(), errors.New("mock error"))
+		_, err := cache.get("error")
+		require.Error(t, err)
+		require.Equal(t, "mock error", err.Error())
+	})
+}
+
+func testNetValueReader(key string) (time.Time, error) {
+	if key == "error" {
+		return time.Now(), errors.New("mock error")
+	}
+	return time.Now(), nil
+}