From 06ec80f39495bdd92878468cf862f52e9748f1ca Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Wed, 23 Jul 2014 12:04:27 +0200
Subject: [PATCH] zero devision check

---
 ethchain/vm.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ethchain/vm.go b/ethchain/vm.go
index 528088a49..07e9a0f2c 100644
--- a/ethchain/vm.go
+++ b/ethchain/vm.go
@@ -306,7 +306,9 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
 			x, y := stack.Popn()
 			vm.Printf(" %v / %v", y, x)
 
-			base.Div(y, x)
+			if x.Cmp(ethutil.Big0) != 0 {
+				base.Div(y, x)
+			}
 
 			vm.Printf(" = %v", base)
 			// Pop result back on the stack