(contract Twisto
  (access
    (read storage:* *)
    (write storage:* owner)
    (execute function:metadata *)
    (execute function:total-supply *)
    (execute function:mint owner))
  (function metadata 1
    (push32 0)
    (sload)
    (return))
  (function total-supply 2
    (push32 1)
    (sload)
    (return))
  (function mint 3
    (push32 1)
    (push32 0)
    (sstore)
    (return)))