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26 changes: 26 additions & 0 deletions src/components/sales.cairo
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
#[starknet::storage]
struct Storage {
sales: LegacyMap<u256, SalesTerm>,
}

#[derive(Drop, Serde, Copy)]
enum SalesTerm {
Bought: (),
Sold: (),
None: (), // Default state
}

#[starknet::contract]
mod sales {
use super::SalesTerm;

#[external(v0)]
fn buy(ref self, item_id: u256) {
self.sales.write(item_id, SalesTerm::Bought);
}

#[external(v0)]
fn sell(ref self, item_id: u256) {
self.sales.write(item_id, SalesTerm::Sold);
}
}
45 changes: 27 additions & 18 deletions src/components/voting.cairo
Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
use crate::components::sales::{SalesComponent, SalesTerm};

#[starknet::component]
pub mod VotingComponent {
use starknet::storage::{
Expand Down Expand Up @@ -37,27 +39,34 @@ pub mod VotingComponent {
}

fn vote(ref self: ComponentState<TContractState>, support: bool, id: u256) {
let mut poll = self.polls.entry(id).read();
assert(poll != Default::default(), 'INVALID POLL');
assert(poll.status == Default::default(), 'POLL NOT PENDING');
let caller = get_caller_address();
let has_voted = self.voters.entry((caller, id)).read();
assert(!has_voted, 'CALLER HAS VOTED');

match support {
true => poll.yes_votes += 1,
_ => poll.no_votes += 1,
}
let mut poll = self.polls.entry(id).read();
assert(poll != Default::default(), 'INVALID POLL');
assert(poll.status == Default::default(), 'POLL NOT PENDING');
let caller = get_caller_address();
let has_voted = self.voters.entry((caller, id)).read();
assert(!has_voted, 'CALLER HAS VOTED');

let vote_count = poll.yes_votes + poll.no_votes;
if vote_count >= DEFAULT_THRESHOLD {
poll.resolve();
}
match support {
true => poll.yes_votes += 1,
_ => {
poll.no_votes += 1;

self.polls.entry(id).write(poll);
self.voters.entry((caller, id)).write(true);
self.emit(Voted { id, voter: caller });
// ❗ If voting fails, sell the item
let mut sales = SalesComponent::new();
sales.sell(id);
}
}

let vote_count = poll.yes_votes + poll.no_votes;
if vote_count >= DEFAULT_THRESHOLD {
poll.resolve();
}

self.polls.entry(id).write(poll);
self.voters.entry((caller, id)).write(true);
self.emit(Voted { id, voter: caller });
}


fn get_poll(self: @ComponentState<TContractState>, id: u256) -> Poll {
self.polls.entry(id).read()
Expand Down