Contract f5bb5a1d69d1996bd6c883ebe026e7a24989cb7dacfe1ffa8d285e1da3ef692a

fn initialize(
    env: soroban_sdk::Env,
    admin: soroban_sdk::Address,
    invoice_num: i128,
    po_num: i128,
    buyer_address: soroban_sdk::Address,
    total_amount: u32,
    start_time: u64,
    end_time: u64,
)

fn admin(env: soroban_sdk::Env) -> soroban_sdk::Address

fn set_admin(env: soroban_sdk::Env, new_admin: soroban_sdk::Address)

fn appr(
    env: soroban_sdk::Env,
    owner: soroban_sdk::Address,
    operator: soroban_sdk::Address,
    id: i128,
)

fn appr_all(
    env: soroban_sdk::Env,
    owner: soroban_sdk::Address,
    operator: soroban_sdk::Address,
    approved: bool,
)

fn get_appr(env: soroban_sdk::Env, id: i128) -> soroban_sdk::Address

fn is_appr(
    env: soroban_sdk::Env,
    owner: soroban_sdk::Address,
    operator: soroban_sdk::Address,
) -> bool

fn amount(env: soroban_sdk::Env, id: i128) -> u32

fn parent(env: soroban_sdk::Env, id: i128) -> i128

fn owner(env: soroban_sdk::Env, id: i128) -> soroban_sdk::Address

fn data(env: soroban_sdk::Env, id: i128) -> soroban_sdk::Vec

fn get_all_owned(
    env: soroban_sdk::Env,
    address: soroban_sdk::Address,
) -> soroban_sdk::Vec

fn is_disabled(env: soroban_sdk::Env, id: i128) -> bool

fn transfer(
    env: soroban_sdk::Env,
    from: soroban_sdk::Address,
    to: soroban_sdk::Address,
    id: i128,
)

fn transfer_from(
    env: soroban_sdk::Env,
    spender: soroban_sdk::Address,
    from: soroban_sdk::Address,
    to: soroban_sdk::Address,
    id: i128,
)

fn mint_original(
    env: soroban_sdk::Env,
    to: soroban_sdk::Address,
    file_hashes: soroban_sdk::Vec,
)

fn burn(env: soroban_sdk::Env, id: i128)

fn split(
    env: soroban_sdk::Env,
    id: i128,
    splits: soroban_sdk::Vec,
) -> soroban_sdk::Vec

fn redeem(env: soroban_sdk::Env, id: i128)

fn set_external_token_provider(
    env: soroban_sdk::Env,
    contract_addr: soroban_sdk::Address,
    decimals: u32,
)

fn check_paid(env: soroban_sdk::Env) -> bool

fn check_expired(env: soroban_sdk::Env) -> bool

fn recipient(env: soroban_sdk::Env, id: i128) -> soroban_sdk::Address

fn sign_off(env: soroban_sdk::Env, id: i128)

fn pay_off(env: soroban_sdk::Env, from: soroban_sdk::Address)

fn set_nft_data(
    env: soroban_sdk::Env,
    id: i128,
    file_hashes: soroban_sdk::Vec,
)