ton/crypto/func/auto-tests/legacy_tests/whales-nominators/modules/utils-config.fc

(int, int) get_stake_parameters() {
    var cs = config_param(15).begin_parse();
    int electedFor = cs~load_uint(32);
    cs~skip_bits(64);
    int stakeHeldFor = cs~load_uint(32);
    return (electedFor, stakeHeldFor);
}

(int, int) get_previous_cycle() {
    var cs = config_param(32).begin_parse();
    cs~skip_bits(8); ;; Header
    int timeSince = cs~load_uint(32);
    int timeUntil = cs~load_uint(32);
    return (timeSince, timeUntil);
}

(int, int) get_current_cycle() {
    var cs = config_param(34).begin_parse();
    cs~skip_bits(8); ;; Header
    int timeSince = cs~load_uint(32);
    int timeUntil = cs~load_uint(32);
    return (timeSince, timeUntil);
}

int lockup_lift_time(int stake_at, int stake_untill) {
    
    ;; Resolve previous cycle parameters
    var (timeSince, timeUntil) = get_previous_cycle();

    ;; If previous cycle looks as a valid one
    if (stake_at <= timeSince) {
        return timeSince + (stake_untill - stake_at);
    }

    ;; Check current cycle
    var (timeSince, timeUntil) = get_current_cycle();

    ;; If current cycle could be the one we joined validation
    if (stake_at <= timeSince) {
        return timeSince + (stake_untill - stake_at);
    }

    return stake_untill;
}