revert cache.go

proxyd/cache.go

@@ -12,7 +12,6 @@ import (
 type Cache interface {
 	Get(ctx context.Context, key string) (string, error)
 	Put(ctx context.Context, key string, value string) error
-	Clear(ctx context.Context) error
 }
 
 const (
@@ -43,11 +42,6 @@ func (c *cache) Put(ctx context.Context, key string, value string) error {
 	return nil
 }
 
-func (c *cache) Clear(ctx context.Context) error {
-	c.lru.Purge()
-	return nil
-}
-
 type redisCache struct {
 	rdb *redis.Client
 }
@@ -81,29 +75,6 @@ func (c *redisCache) Put(ctx context.Context, key string, value string) error {
 	return err
 }
 
-func (c *redisCache) Clear(ctx context.Context) error {
-	patterns := []string{"lvc:*", "method:*"}
-
-	for _, p := range patterns {
-		scmd := c.rdb.Keys(ctx, p)
-		err := scmd.Err()
-		if err != nil {
-			RecordRedisError("CacheClear")
-			return err
-		}
-		keys, _ := scmd.Result()
-
-		icmd := c.rdb.Del(ctx, keys...)
-		err = icmd.Err()
-		if err != nil {
-			RecordRedisError("CacheClear")
-			return err
-		}
-	}
-
-	return nil
-}
-
 type cacheWithCompression struct {
 	cache Cache
 }
@@ -132,10 +103,6 @@ func (c *cacheWithCompression) Put(ctx context.Context, key string, value string
 	return c.cache.Put(ctx, key, string(encodedVal))
 }
 
-func (c *cacheWithCompression) Clear(ctx context.Context) error {
-	return c.cache.Clear(ctx)
-}
-
 type GetLatestBlockNumFn func(ctx context.Context) (uint64, error)
 type GetLatestGasPriceFn func(ctx context.Context) (uint64, error)