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| uint mkrBal = token.balanceOf(address(this)); | ||
| if(address(voteDelegate) != address(0)){ | ||
| uint staked = voteDelegate.stake(address(this)); | ||
| voteDelegate.lock(mkrBal - staked); |
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all mkrBal balance should be locked otherwise some mkr won't be locked depending on the staked amount
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Unless there's an external inbound transfer that doesn't properly call onDeposit. Not sure if that's worth taking into account or not.
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i was referring that if someone deposits twice the same amount for example, it wouldn't lock the second deposit
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and if the amount staked is higher than the new deposit it would revert underflow
| if(msg.sender != beneficiary) revert OnlyBeneficiary(); | ||
| if(address(voteDelegate) != address(0)){ | ||
| uint stake = voteDelegate.stake(address(this)); | ||
| iou.approve(address(voteDelegate), stake); |
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this approval is not needed bc we already max approve when setting the voteDelegate, but could be worth to reset the approvals(iou and token) when changing vote delegate
| /** | ||
| * @notice Get the owner of the `voteDelegate` contract that is being delegated to. | ||
| */ | ||
| function delegate() external returns(address){ |
| interface IVoteDelegate { | ||
| function lock(uint) external; | ||
| function free(uint) external; | ||
| function stake(address) external returns(uint); |
| } | ||
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| interface IVoteDelegateFactory { | ||
| function isDelegate(address) external returns(bool); |
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isDelegate and delegates are view functions
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