function addBlacklist(address pairAddress) external onlySetter {
badPairs.add(pairAddress);
}

if (!badPairs.contains(pairAddress) && balance0 > minimumLiq[pair.token0] && balance1 > minimumLiq[pair.token1]) {
if (pair.pairType == PairType.Stable) {
// call getAmount only if _getAmountOut would not revert with tokenDecimals[pair.token0] input
if (balance0 > tokenDecimals[pair.token0] * 2 && balance1 > tokenDecimals[pair.token1] * 2) {
// Using decimal balance for input amount, necessary liquidity is required
unchecked {
pairPrices[pairAddress].price0 = _getAmountOut(tokenDecimals[pair.token0], pair.token0, pairAddress) * 1e18 / tokenDecimals[pair.token0];
pairPrices[pairAddress].price1 = _getAmountOut(tokenDecimals[pair.token1], pair.token1, pairAddress) * 1e18 / tokenDecimals[pair.token1];
}
} else {
// Mark price with default due to low liq
unchecked {
pairPrices[pairAddress].price0 = tokenDecimals[pair.token1] * 1e18 / tokenDecimals[pair.token0];
pairPrices[pairAddress].price1 = tokenDecimals[pair.token0] * 1e18 / tokenDecimals[pair.token1];
}
}
} else {
// * never overflows, and + overflow is desired
unchecked {
pairPrices[pairAddress].price0 = balance1 * 1e18 / balance0;
pairPrices[pairAddress].price1 = balance0 * 1e18 / balance1;
}
}
} else {
// Reset price for pairs with low liq
pairPrices[pairAddress].price0 = 0;
pairPrices[pairAddress].price1 = 0;
}

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