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-rw-r--r--ethvm/vm.go24
1 files changed, 12 insertions, 12 deletions
diff --git a/ethvm/vm.go b/ethvm/vm.go
index 995fd897b..a3c273f62 100644
--- a/ethvm/vm.go
+++ b/ethvm/vm.go
@@ -129,14 +129,14 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
fmt.Printf("%x %x\n", new(big.Int).SetBytes([]byte(key)).Bytes(), value.Bytes())
})
}
+ */
- b := pc.Bytes()
- if len(b) == 0 {
- b = []byte{0}
- }
+ b := pc.Bytes()
+ if len(b) == 0 {
+ b = []byte{0}
+ }
- fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes())
- */
+ fmt.Printf("%x %x %x %x\n", closure.Address(), b, []byte{byte(op)}, closure.Gas.Bytes())
}
gas := new(big.Int)
@@ -856,12 +856,12 @@ func (self *Vm) Endl() *Vm {
}
func ensure256(x *big.Int) {
- maxInt, _ := new(big.Int).SetString("115792089237316195423570985008687907853269984665640564039457584007913129639935", 0)
- if x.Cmp(maxInt) >= 0 {
- x.SetInt64(0)
-
- return
- }
+ //max, _ := big.NewInt(0).SetString("115792089237316195423570985008687907853269984665640564039457584007913129639936", 0)
+ //if x.Cmp(max) >= 0 {
+ d := big.NewInt(1)
+ d.Lsh(d, 256).Sub(d, big.NewInt(1))
+ x.And(x, d)
+ //}
// Could have done this with an OR, but big ints are costly.