fn initialize(env: soroban_sdk::Env, admin: soroban_sdk::Address)
fn add_price(
env: soroban_sdk::Env,
public_key: soroban_sdk::Address,
cusip: soroban_sdk::String,
price: i128,
amount: i128,
trade_type: soroban_sdk::String,
) -> Result<(), MbsError>
fn admin_function(
env: soroban_sdk::Env,
public_key: soroban_sdk::Address,
) -> Result<(), MbsError>
fn get_cusip_prices(
env: soroban_sdk::Env,
cusip: soroban_sdk::String,
) -> soroban_sdk::Vec
fn get_all_cusips(env: soroban_sdk::Env) -> soroban_sdk::Vec
fn get_all_latest_prices(
env: soroban_sdk::Env,
limit: Option,
) -> soroban_sdk::Vec