@ -103,7 +103,7 @@ var (
ByzantiumBlock: big.NewInt(1700000),
ConstantinopleBlock: big.NewInt(4230000),
PetersburgBlock: big.NewInt(4939394),
IstanbulBlock: nil,
IstanbulBlock: big.NewInt(6485846),
Ethash: new(EthashConfig),
}
@ -180,7 +180,7 @@ var (
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
IstanbulBlock: big.NewInt(1561651),
Clique: &CliqueConfig{
Period: 15,
Epoch: 30000,