disputes: RuntimeDescriptor<[], [number, FixedSizeBinary<32>, {
    concluded_at: number | undefined;
    start: number;
    validators_against: {
        bitsLen: number;
        bytes: Uint8Array;
    };
    validators_for: {
        bitsLen: number;
        bytes: Uint8Array;
    };
}]>

Returns all onchain disputes.