signer/core/apitypes: simplify reflect []byte creation (#32315)

cuiweixie · fjl · web-flow · commit bd6797eafa59 · 2025-08-07T15:56:25.000+02:00
Co-authored-by: Felix Lange &lt;fjl@twurst.com&gt;
diff --git a/signer/core/apitypes/types.go b/signer/core/apitypes/types.go
@@ -544,7 +544,7 @@ func parseBytes(encType interface{}) ([]byte, bool) {
 	// Handle array types.
 	val := reflect.ValueOf(encType)
 	if val.Kind() == reflect.Array && val.Type().Elem().Kind() == reflect.Uint8 {
-		v := reflect.MakeSlice(reflect.TypeOf([]byte{}), val.Len(), val.Len())
+		v := reflect.ValueOf(make([]byte, val.Len()))
 		reflect.Copy(v, val)
 		return v.Bytes(), true
 	}

Original file line number	Diff line number	Diff line change
`@@ -544,7 +544,7 @@ func parseBytes(encType interface{}) ([]byte, bool) {`
`544`	`544`	`// Handle array types.`
`545`	`545`	`val := reflect.ValueOf(encType)`
`546`	`546`	`if val.Kind() == reflect.Array && val.Type().Elem().Kind() == reflect.Uint8 {`
`547`		`- v := reflect.MakeSlice(reflect.TypeOf([]byte{}), val.Len(), val.Len())`
	`547`	`+ v := reflect.ValueOf(make([]byte, val.Len()))`
`548`	`548`	`reflect.Copy(v, val)`
`549`	`549`	`return v.Bytes(), true`
`550`	`550`	`}`