Interface SystemEpochInfoEvent

interface SystemEpochInfoEvent {
    epoch: bigint;
    leftover_storage_fund_inflow: bigint;
    protocol_version: bigint;
    reference_gas_price: bigint;
    stake_subsidy_amount: bigint;
    storage_charge: bigint;
    storage_fund_balance: bigint;
    storage_fund_reinvestment: bigint;
    storage_rebate: bigint;
    total_gas_fees: bigint;
    total_stake: bigint;
    total_stake_rewards_distributed: bigint;
}