diff options
Diffstat (limited to 'ethvm/vm.go')
| -rw-r--r-- | ethvm/vm.go | 24 |
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. |