class ConstantinopleConfig extends ByzantiumConfig {

    @Override
    protected int getExplosion(BlockHeader curBlock, BlockHeader parent) {
        int periodCount = (int) (Math.max(0, curBlock.getNumber() - 5_000_000) / getConstants().getEXP_DIFFICULTY_PERIOD());
        return periodCount - 2;
    }

    public  ConstantinopleConfig(BlockchainConfig parent);

}