uint worker count

builder.go

@@ -49,7 +49,7 @@ var (
 	nullCodeHash      = crypto.Keccak256([]byte{})
 	zeroHash          common.Hash
 
-	defaultSubtrieWorkers = 8
+	defaultSubtrieWorkers uint = 8
 )
 
 // Builder interface exposes the method for building a state diff between two blocks
@@ -61,7 +61,7 @@ type Builder interface {
 type StateDiffBuilder struct {
 	// state cache is safe for concurrent reads
 	stateCache     adapt.StateView
-	subtrieWorkers int
+	subtrieWorkers uint
 }
 
 type accountUpdate struct {
@@ -134,8 +134,8 @@ func (sdb *StateDiffBuilder) WriteStateDiff(
 	logger := log.New("hash", args.BlockHash, "number", args.BlockNumber)
 	// errgroup will cancel if any gr fails
 	g, ctx := errgroup.WithContext(context.Background())
-	for i := 0; i < sdb.subtrieWorkers; i++ {
-		func(subdiv int) {
+	for i := uint(0); i < sdb.subtrieWorkers; i++ {
+		func(subdiv uint) {
 			g.Go(func() error {
 				a, b := subitersA[subdiv], subitersB[subdiv]
 				return sdb.processAccounts(ctx,