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0xtj24
commented
Jul 18, 2025
0xtj24
commented
- Add PSM
- Add Controller
- Add PSMFed
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| uint256 profit = amountOut > supply ? amountOut - supply : 0; | ||
| if (profit > 0) { | ||
| vault.withdraw(profit, gov, address(this)); | ||
| } |
| */ | ||
| function setSupplyCap(uint256 newSupplyCap) external onlyGov { | ||
| uint256 oldSupplyCap = supplyCap; | ||
| supplyCap = newSupplyCap; |
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add check that new supplyCap is >= supply
- Alzhan
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need to also be able to lower the cap below the supply so it cannot expand but only contract if gov decides to lower it
src/PSM.sol
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for extra safety might want to require > 0 shares minted. protects against edge case where vault is empty and a deposit is front run, to round it down to 0.
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Fixed in aa73378
Also added a check for minTotalSupply set by gov to ensure that a min shares have been minted to expand mitigation for an inflation attack
src/PSM.sol
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note: the to address is not also passed through to the controller for access control, or any arbitrary logic that may go into the controller.
src/PSM.sol
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ordering of event parameters is incorrect according to the definition.
event Buy(address indexed user, uint256 purchased, uint256 spent);
src/PSM.sol
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note: could simplify by making getProfit() function public and using here
src/PSM.sol
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similar as above, could add a check for > 0 shares returned
| * @param minCollateralAmount Minimum amount of collateral to be deposited in the new vault. | ||
| * @param minSharesOut Minimum amount of shares to receive from the new vault. | ||
| */ | ||
| function migrate(address newVault, uint256 minCollateralAmount, uint256 minSharesOut) external onlyGov { |
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minTotalSupply check should apply here to the new vault
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In this case we already have a minSharesOut which fully mitigates an inflation attack or you refer we shouldn't migrate to a new vault if the minTotalSupply is not met?
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LGTM |
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