Contract 51c2332ead2f1d24a2c2c29c8990e2582c0cd3a9bea07e7fe95c40864947d55c

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

fn store_operation(
    env: soroban_sdk::Env,
    x: u32,
    y: u32,
    result: u32,
    operation_type: OperationType,
) -> u32

fn sum(env: soroban_sdk::Env, x: u32, y: u32) -> u32

fn sub(env: soroban_sdk::Env, x: u32, y: u32) -> u32

fn mul(env: soroban_sdk::Env, x: u32, y: u32) -> u32

fn div(env: soroban_sdk::Env, x: u32, y: u32) -> u32

fn last_op(env: soroban_sdk::Env) -> Option

fn get_op(env: soroban_sdk::Env, id: u32) -> Option