Add support of deadline (TTL) for values in Cache

cache/cache.go

@@ -1,11 +1,15 @@
 package cache
 
-import "errors"
+import (
+	"errors"
+	"time"
+)
 
 var ErrNilValue = errors.New("value is empty")
 
 type Cache interface {
 	Store(key string, value interface{}) error
+	StoreWithTTL(key string, value interface{}, ttl time.Duration) error
 	Get(key string, value interface{}) error
 	Delete(key string)
 }

cache/inmemory_cache.go

@@ -1,6 +1,8 @@
 package cache
 
 import (
+	"time"
+
 	"github.com/VictoriaMetrics/fastcache"
 	"github.com/fxamacker/cbor/v2"
 )
@@ -31,6 +33,10 @@ func (imc *InMemoryCache) Store(key string, value interface{}) error {
 	return nil
 }
 
+func (imc *InMemoryCache) StoreWithTTL(key string, value interface{}, ttl time.Duration) error {
+	return imc.Store(key, value) // fastcache doesn't support ttl for values
+}
+
 func (imc *InMemoryCache) Get(key string, v interface{}) error {
 	data := make([]byte, 0)
 	imc.cache.GetBig(data, []byte(key))

cache/redis_cache.go

@@ -2,6 +2,7 @@ package cache
 
 import (
 	"context"
+	"time"
 
 	"github.com/Secured-Finance/dione/config"
 	"github.com/fxamacker/cbor/v2"
@@ -37,6 +38,17 @@ func (rc *RedisCache) Store(key string, value interface{}) error {
 	return nil
 }
 
+func (rc *RedisCache) StoreWithTTL(key string, value interface{}, ttl time.Duration) error {
+	mRes, err := cbor.Marshal(value)
+	if err != nil {
+		return err
+	}
+
+	rc.Client.Set(rc.ctx, key, mRes, ttl)
+
+	return nil
+}
+
 func (rc *RedisCache) Get(key string, value interface{}) error {
 	data, err := rc.Client.Get(rc.ctx, key).Bytes()
 	if err != nil {