function _redeemPxGlp(
    address token,
    uint256 amount,
    uint256 minOut,
    address receiver
);
function redeemPxGlpETH(
    uint256 amount,
    uint256 minOut,
    address receiver
);
function redeemPxGlp(
    address token,
    uint256 amount,
    uint256 minOut,
    address receiver
);
Current setting of `cooldownDuration` is 15 minutes, the max value is 2 days.
averageStakeIntervalOfGMX = 30 seconds
averageStakeIntervalOfPirex = 30  10% = 300 seconds
 = cooldownDuration  averageStakeIntervalOfPirex = 15 * 60  300 = 3
k = 0
P  1  (2.718 * 2.718 * 2.718)  0.05 
If Pirex has 10 % of GMX users, then the redemption will fail with 95% probability.
1% : 26%
5% : 78%
10% : 95%
20% : 99.75%
30% : 99.98%
txCost = 0.1 USD
dailyCost = 24 * (60 / 15) * 0.1 = 9.6 USD
yearCost = 365 * 9.6 = 3504 USD
If an attacker wants to block Pirex users funds, his yearly cost is only about 3.5k USD.
