[Certora] [M-10] + [M-11] Manual tracking of EETH shares owned by membership manager #180
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seongyun-ko
reviewed
Oct 7, 2024
| eETH.transfer(msg.sender, totalBalance - feeAmount); | ||
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| if (feeAmount > 0) { | ||
| liquidityPool.withdraw(address(this), feeAmount); | ||
| uint256 feeShares = liquidityPool.withdraw(address(this), feeAmount); |
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By this withdraw, the membership manager contract will receive ETH (not eETH), which is used to boost the MembershipNFT APR when rebasing happens. so it should not be counted as membershipShares
- ETH balance in MembershipManager https://etherscan.io/address/0x3d320286E014C3e1ce99Af6d6B00f0C1D63E3000
seongyun-ko
requested changes
Oct 7, 2024
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LGTM overall, but left a feedback on one fix
A few points to confirm:
- is the contract size below the limit?
- isnt' there any change required here? https://github.com/etherfi-protocol/smart-contracts/blob/audit-m10-m11/src/libraries/GlobalIndexLibrary.sol
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This PR adds a manual tracking for the number of EETH shares owned by the membership manager. This prevents anyone from being able to impact rebasing operations via donating eETH shares to the membership manager
Primary testing provided by the existing
test_bring_random_monkeys()function. At the conclusion of this function with thousands of deposit / rebase / withdrawal operations, shares are within 5000 shares of the target amount which is just dust.