embed mutex

internal/service/interest.go

@@ -11,7 +11,7 @@ import (
 )
 
 type interestCache struct {
-	mu       sync.Mutex
+	sync.Mutex
 	loaded   bool
 	postings map[time.Time][]posting.Posting
 }
@@ -19,8 +19,8 @@ type interestCache struct {
 var icache interestCache
 
 func loadInterestCache(db *gorm.DB) {
-	icache.mu.Lock()
-	defer icache.mu.Unlock()
+	icache.Lock()
+	defer icache.Unlock()
 
 	if icache.loaded {
 		return

internal/service/market.go

@@ -14,7 +14,7 @@ import (
 )
 
 type priceCache struct {
-	mu         sync.Mutex
+	sync.Mutex
 	loaded     bool
 	pricesTree map[string]*btree.BTree
 }
@@ -22,8 +22,8 @@ type priceCache struct {
 var pcache priceCache
 
 func loadPriceCache(db *gorm.DB) {
-	pcache.mu.Lock()
-	defer pcache.mu.Unlock()
+	pcache.Lock()
+	defer pcache.Unlock()
 
 	if pcache.loaded {
 		return