pub fn create_proposal(title: String, description: String) -> u256 {
    require(title.len() > 0, "Title cannot be empty");
    return 1;
}

pub fn execute_proposal(proposal_id: u256) -> bool {
    require(proposal_id > 0, "Invalid proposal ID");
    return true;
}

pub fn cancel_proposal(proposal_id: u256) -> bool {
    require(proposal_id > 0, "Invalid proposal ID");
    return true;
}