linting

api/gateway/tron/shared/hex.go

@@ -1,6 +1,7 @@
 package shared
 
 import (
+	"math"
 	"math/big"
 	"strings"
 
@@ -46,5 +47,9 @@ func DecodeHexUint8(input string) (uint8, error) {
 	if val.BitLen() > 8 {
 		return 0, errHexOutOfRange
 	}
-	return uint8(val.Uint64()), nil
+	decoded := val.Uint64()
+	if decoded > math.MaxUint8 {
+		return 0, errHexOutOfRange
+	}
+	return uint8(decoded), nil
 }