cerc-io/go-ethereum
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EXP simplified

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This commit is contained in:
obscuren 2014-12-05 14:52:36 +01:00
parent d80f8bda94
commit 095cb97675
1 changed files with 1 additions and 7 deletions
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8
vm/vm_debug.go
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@ -166,13 +166,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
case EXP: case EXP:
require(2) require(2)
exp := new(big.Int).Set(stack.data[stack.Len()-2]) gas.Set(big.NewInt(int64(len(stack.data[stack.Len()-2].Bytes()) + 1)))
nbytes := 0
for exp.Cmp(ethutil.Big0) > 0 {
nbytes += 1
exp.Rsh(exp, 8)
}
gas.Set(big.NewInt(int64(nbytes + 1)))
// Gas only // Gas only
case STOP: case STOP:
gas.Set(ethutil.Big0) gas.Set(ethutil.Big0)