fn initialize(
    env: soroban_sdk::Env,
    nft_factory: soroban_sdk::Address,
    fee_recipient: soroban_sdk::Address,
    native_xlm: soroban_sdk::Address,
    bps: u32,
    admin: soroban_sdk::Address,
)

fn create_offer(
    env: soroban_sdk::Env,
    nft_contract: soroban_sdk::Address,
    offer_params: OfferInitParams,
) -> u32

fn submit_ad_proposal(
    env: soroban_sdk::Env,
    caller: soroban_sdk::Address,
    offer_id: u32,
    token_id: u32,
    ad_parameter: soroban_sdk::String,
    data: soroban_sdk::String,
) -> u32

fn submit_ad_proposals(
    env: soroban_sdk::Env,
    offer_ids: soroban_sdk::Vec,
    token_ids: soroban_sdk::Vec,
    ad_parameters: soroban_sdk::Vec,
    datas: soroban_sdk::Vec,
    caller: soroban_sdk::Address,
)

fn review_ad_proposal(
    env: soroban_sdk::Env,
    offer_id: u32,
    token_id: u32,
    proposal_id: u32,
    ad_parameter: soroban_sdk::String,
    validated: bool,
    reason: soroban_sdk::String,
    validator: soroban_sdk::Address,
) -> u32

fn review_ad_proposals(
    env: soroban_sdk::Env,
    reviews: soroban_sdk::Vec,
) -> soroban_sdk::Vec

fn update_offer(
    env: soroban_sdk::Env,
    offer_id: u32,
    admin: soroban_sdk::Address,
    offer_params: OfferInitParams,
) -> bool

fn get_offer_contract(env: soroban_sdk::Env, offer_id: u32) -> soroban_sdk::Address

fn get_total_offers(env: soroban_sdk::Env) -> u32

fn get_all_offers(env: soroban_sdk::Env) -> soroban_sdk::Vec

fn get_user_offers(
    env: soroban_sdk::Env,
    user: soroban_sdk::Address,
) -> soroban_sdk::Vec

fn get_offer_proposals(
    env: soroban_sdk::Env,
    offer_id: u32,
    token_id: u32,
) -> soroban_sdk::Map

fn is_allowed_ad_parameter(
    env: soroban_sdk::Env,
    offer_id: u32,
    ad_parameter: soroban_sdk::String,
) -> bool

fn is_offer_admin(
    env: soroban_sdk::Env,
    offer_id: u32,
    admin: soroban_sdk::Address,
) -> bool

fn is_offer_disabled(env: soroban_sdk::Env, offer_id: u32) -> bool

fn is_offer_validator(
    env: soroban_sdk::Env,
    offer_id: u32,
    validator: soroban_sdk::Address,
) -> bool

fn get_fee_amount(env: soroban_sdk::Env, base_amount: u128) -> u128

fn create_dsponsor_nft(
    env: soroban_sdk::Env,
    init_params: InitParams,
    salt: Option>,
) -> soroban_sdk::Address

fn update_protocol_fee(
    env: soroban_sdk::Env,
    new_bps: u32,
    new_recipient: soroban_sdk::Address,
) -> bool

fn create_dsponsor_nft_and_offer(
    env: soroban_sdk::Env,
    init_params: InitParams,
    offer_params: OfferInitParams,
) -> u32

fn mint_and_submit(env: soroban_sdk::Env, params: MintAndSubmitParams) -> bool