Copy
49if(new_supply > old_supply) {
50    //only for positive rebases
51    uint256 balance = _ampl_token.balanceOf(address(this));
52
53    uint256 change_ratio_18digits = old_supply.mul(10**18).divDown(new_supply);
54    uint256 surplus = new_balance.sub(new_balance.mul(change_ratio_18digits).divDown(10**18));
55    uint256 to_sell = _toSell(surplus);
56    _ampl_token.approve(address(trader), to_sell);
57
58    trader.sellAMPLForEth(to_sell);
59    //this checks that after the sale we're still above threshold
60    require(_ampl_token.balanceOf(address(this)) >= SELL_THRESHOLD, "Pioneer1Vault: Threshold isnt reached yet");
61    stakingContractEth.distribute{value : address(this).balance}(0, address(this));
62}