use nssa_core::program::{read_nssa_inputs, write_nssa_outputs, ProgramInput}; type Instruction = (); fn main() { let ProgramInput { pre_states, .. } = read_nssa_inputs::(); let [pre1, _] = match pre_states.try_into() { Ok(array) => array, Err(_) => return, }; let account_pre1 = pre1.account.clone(); write_nssa_outputs(vec![pre1], vec![account_pre1]); }