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| author | Jeffrey Wilcke <jeffrey@ethereum.org> | 2016-10-20 20:27:47 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <jeffrey@ethereum.org> | 2016-11-13 17:44:04 +0800 |
| commit | 779ddb183275ed506ebae972876fe04098c738e5 (patch) | |
| tree | 6d52a07ce591b8eb5e9a57b40051cd5e705a3ce2 /core | |
| parent | 445feaeef58bd89a113743dccf6fd5df55cde6fa (diff) | |
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core/vm, params: EIP160: EXP reprice
Diffstat (limited to 'core')
| -rw-r--r-- | core/vm/vm.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/core/vm/vm.go b/core/vm/vm.go index 6e316acda..56aca6912 100644 --- a/core/vm/vm.go +++ b/core/vm/vm.go @@ -313,7 +313,8 @@ func calculateGasAndSize(gasTable params.GasTable, env Environment, contract *Co quadMemGas(mem, newMemSize, gas) case EXP: - gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.len()-2].Bytes()))), params.ExpByteGas)) + expByteLen := int64((stack.data[stack.len()-2].BitLen() + 7) / 8) + gas.Add(gas, new(big.Int).Mul(big.NewInt(expByteLen), gasTable.ExpByte)) case SSTORE: err := stack.require(2) if err != nil { |