From e7c1698fa4761566fbb6ac9a71327e71bdd6dc59 Mon Sep 17 00:00:00 2001
From: Malek Lahbib <111009238+MalekLahbib@users.noreply.github.com>
Date: Tue, 24 Sep 2024 15:56:52 +0200
Subject: [PATCH] will be update when more clarity, will be used as the
 gnofundme token as suggested by @moul

---
 examples/gno.land/r/malek_/gfmt/gfmt.gno | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/examples/gno.land/r/malek_/gfmt/gfmt.gno b/examples/gno.land/r/malek_/gfmt/gfmt.gno
index 285ad026c88..9a9bdea19b6 100644
--- a/examples/gno.land/r/malek_/gfmt/gfmt.gno
+++ b/examples/gno.land/r/malek_/gfmt/gfmt.gno
@@ -12,9 +12,10 @@ import (
 )
 
 var (
-	banker *grc20.Banker
-	admin  *ownable.Ownable
-	Token  grc20.Token
+	banker           *grc20.Banker
+	admin            *ownable.Ownable
+	Token            grc20.Token
+	ErrInvalidUint64 = errors.New("invalid uint64, must be between 0 and 18446744073709551615")
 )
 
 func init() {
@@ -39,6 +40,11 @@ func Deposit() {
 }
 
 func Withdraw(amount uint64) {
+	// check for overflow
+	// if amount < 0 || amount > 18446744073709551615 {
+	// 	panic("Invalid amount: Overflow uint64")
+	// }
+
 	require(amount >= gfmtMinDeposit, ufmt.Sprintf("Deposit below minimum: %d/%d gfmt.", amount, gfmtMinDeposit))
 
 	caller := std.PrevRealm().Addr()