chore: coding style (#4082)

core/limit/periodlimit.go

@@ -30,9 +30,8 @@ var (
 	ErrUnknownCode = errors.New("unknown status code")
 
 	//go:embed periodscript.lua
-	periodScript string
-
-	scriptPeriod = redis.NewScript(periodScript)
+	periodLuaScript string
+	periodScript    = redis.NewScript(periodLuaScript)
 )
 
 type (
@@ -73,7 +72,7 @@ func (h *PeriodLimit) Take(key string) (int, error) {
 
 // TakeCtx requests a permit with context, it returns the permit state.
 func (h *PeriodLimit) TakeCtx(ctx context.Context, key string) (int, error) {
-	resp, err := h.limitStore.ScriptRunCtx(ctx, scriptPeriod, []string{h.keyPrefix + key}, []string{
+	resp, err := h.limitStore.ScriptRunCtx(ctx, periodScript, []string{h.keyPrefix + key}, []string{
 		strconv.Itoa(h.quota),
 		strconv.Itoa(h.calcExpireSeconds()),
 	})

core/limit/periodscript.lua

@@ -11,4 +11,4 @@ elseif current == limit then
     return 2
 else
     return 0
-end
+end

core/limit/tokenlimit.go

@@ -23,9 +23,8 @@ const (
 
 var (
 	//go:embed tokenscript.lua
-	tokenScript string
-
-	scriptToken = redis.NewScript(tokenScript)
+	tokenLuaScript string
+	tokenScript    = redis.NewScript(tokenLuaScript)
 )
 
 // A TokenLimiter controls how frequently events are allowed to happen with in one second.
@@ -88,7 +87,7 @@ func (lim *TokenLimiter) reserveN(ctx context.Context, now time.Time, n int) boo
 	}
 
 	resp, err := lim.store.ScriptRunCtx(ctx,
-		scriptToken,
+		tokenScript,
 		[]string{
 			lim.tokenKey,
 			lim.timestampKey,

core/limit/tokenscript.lua

@@ -28,4 +28,4 @@ end
 redis.call("setex", KEYS[1], ttl, new_tokens)
 redis.call("setex", KEYS[2], ttl, now)
 
-return allowed
+return allowed