zero devision check

06ec80f3 · obscuren · 6774ddab · 06ec80f3
Commit 06ec80f3 authored Jul 23, 2014 by obscuren
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vm.go ethchain/vm.go +3 -1

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--- 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