From fe88a4b48a9aac175d4b49e7c4788106fab411aa Mon Sep 17 00:00:00 2001
From: TAdev0 <angles.tristan@protonmail.com>
Date: Fri, 28 Jun 2024 15:23:26 +0200
Subject: [PATCH] add comment

---
 pkg/hintrunner/zero/zerohint_keccak.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/hintrunner/zero/zerohint_keccak.go b/pkg/hintrunner/zero/zerohint_keccak.go
index 619610b7..6e00ff58 100644
--- a/pkg/hintrunner/zero/zerohint_keccak.go
+++ b/pkg/hintrunner/zero/zerohint_keccak.go
@@ -419,6 +419,9 @@ func newCompareKeccakFullRateInBytesHint(nBytes hinter.ResOperander) hinter.Hint
 		Name: "CompareKeccakFullRateInBytes",
 		Op: func(vm *VM.VirtualMachine, _ *hinter.HintRunnerContext) error {
 			//> ids.n_bytes >= ids.KECCAK_FULL_RATE_IN_BYTES
+
+			// n_bytes should fit into a uint64
+			// we cannot 100% exclude the possibility that it doesn't
 			nBytesVal, err := hinter.ResolveAsUint64(vm, nBytes)
 			if err != nil {
 				return err