@ -66,7 +66,7 @@ var (
EIP155Block: big.NewInt(10),
EIP158Block: big.NewInt(10),
ByzantiumBlock: big.NewInt(1700000),
ConstantinopleBlock: nil,
ConstantinopleBlock: big.NewInt(4200000),
Ethash: new(EthashConfig),
}