chore(stats): move cache stats to cache package (#927)

* chore(stats): move cache stats to cache package

* chore(stats): move cache stats to cache package

thor/cachestats.go → cache/stats.go

@@ -2,25 +2,25 @@
 
 // Distributed under the GNU Lesser General Public License v3.0 software license, see the accompanying
 // file LICENSE or <https://www.gnu.org/licenses/lgpl-3.0.html>
-package thor
+package cache
 
 import "sync/atomic"
 
-// CacheStats is a utility for collecting cache hit/miss.
-type CacheStats struct {
+// Stats is a utility for collecting cache hit/miss.
+type Stats struct {
 	hit, miss atomic.Int64
 	flag      atomic.Int32
 }
 
 // Hit records a hit.
-func (cs *CacheStats) Hit() int64 { return cs.hit.Add(1) }
+func (cs *Stats) Hit() int64 { return cs.hit.Add(1) }
 
 // Miss records a miss.
-func (cs *CacheStats) Miss() int64 { return cs.miss.Add(1) }
+func (cs *Stats) Miss() int64 { return cs.miss.Add(1) }
 
 // Stats returns the number of hits and misses and whether
 // the hit rate was changed comparing to the last call.
-func (cs *CacheStats) Stats() (bool, int64, int64) {
+func (cs *Stats) Stats() (bool, int64, int64) {
 	hit := cs.hit.Load()
 	miss := cs.miss.Load()
 	lookups := hit + miss

thor/cachestats_test.go → cache/stats_test.go

@@ -3,7 +3,7 @@
 // Distributed under the GNU Lesser General Public License v3.0 software license, see the accompanying
 // file LICENSE or <https://www.gnu.org/licenses/lgpl-3.0.html>
 
-package thor
+package cache
 
 import (
 	"testing"
@@ -12,7 +12,7 @@ import (
 )
 
 func TestCacheStats(t *testing.T) {
-	cs := &CacheStats{}
+	cs := &Stats{}
 	cs.Hit()
 	cs.Miss()
 	_, hit, miss := cs.Stats()

chain/repository.go

@@ -12,6 +12,7 @@ import (
 	"github.com/pkg/errors"
 	"github.com/syndtr/goleveldb/leveldb/util"
 	"github.com/vechain/thor/v2/block"
+	cache2 "github.com/vechain/thor/v2/cache"
 	"github.com/vechain/thor/v2/co"
 	"github.com/vechain/thor/v2/kv"
 	"github.com/vechain/thor/v2/muxdb"
@@ -54,9 +55,9 @@ type Repository struct {
 		receipts  *cache
 
 		stats struct {
-			summaries thor.CacheStats
-			txs       thor.CacheStats
-			receipts  thor.CacheStats
+			summaries cache2.Stats
+			txs       cache2.Stats
+			receipts  cache2.Stats
 		}
 	}
 }

muxdb/internal/trie/cache.go

@@ -13,7 +13,7 @@ import (
 
 	lru "github.com/hashicorp/golang-lru"
 	"github.com/qianbin/directcache"
-	"github.com/vechain/thor/v2/thor"
+	"github.com/vechain/thor/v2/cache"
 	"github.com/vechain/thor/v2/trie"
 )
 
@@ -25,8 +25,8 @@ type Cache struct {
 	committedNodes *directcache.Cache
 	// caches root nodes.
 	roots       *lru.ARCCache
-	nodeStats   thor.CacheStats
-	rootStats   thor.CacheStats
+	nodeStats   cache.Stats
+	rootStats   cache.Stats
 	lastLogTime int64
 }