fn get_tickets_per_proposal(
proposal_reviews: ProposalsReviews,
rewards_slots: &ProposalRewardSlots
) -> (u64, BTreeMap<ProposalId, ProposalTickets>)
fn get_tickets_per_proposal(
proposal_reviews: ProposalsReviews,
rewards_slots: &ProposalRewardSlots
) -> (u64, BTreeMap<ProposalId, ProposalTickets>)