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QA Report #109

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code423n4 opened this issue May 2, 2022 · 0 comments
Open

QA Report #109

code423n4 opened this issue May 2, 2022 · 0 comments
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bug Something isn't working QA (Quality Assurance) Assets are not at risk. State handling, function incorrect as to spec, issues with clarity, syntax

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[NC-01] - Enforce call to initialize in factory

At proxy deployment, the code simply transfers a received data to the new proxy: https://github.com/code-423n4/2022-04-mimo/blob/b18670f44d595483df2c0f76d1c57a7bfbfbc083/supervaults/contracts/SuperVaultFactory.sol#L23. As the fonction to call is known in advance, it would be less error prone to enforce the call to initialize. Here, one could deploy the proxy with a call to a view function for example, which would lead to an incorrect deployment.

[NC-02] - Incorrect Flashloan interface imported

Although this is correct like this as the interface did not changed, it is specified multiple times in SuperVault that it uses Aave V2, but the interface for flashloans is taken from Aave V3: https://github.com/code-423n4/2022-04-mimo/blob/b18670f44d595483df2c0f76d1c57a7bfbfbc083/supervaults/contracts/SuperVault.sol#L9.

Out of correctness, it would be better to use the V2 interface that can be found here: https://github.com/aave/protocol-v2/blob/master/contracts/interfaces/ILendingPool.sol

[Question] - Why not respecting the convention _name for internal functions ?

Developpers choose to not respect the usual naming convention for internal functions. Is there any reason for doing so ? If not readibility could be improved.

Examples:
https://github.com/code-423n4/2022-04-mimo/blob/b18670f44d595483df2c0f76d1c57a7bfbfbc083/supervaults/contracts/SuperVault.sol#L321

https://github.com/code-423n4/2022-04-mimo/blob/b18670f44d595483df2c0f76d1c57a7bfbfbc083/supervaults/contracts/SuperVault.sol#L337

@code423n4 code423n4 added bug Something isn't working QA (Quality Assurance) Assets are not at risk. State handling, function incorrect as to spec, issues with clarity, syntax labels May 2, 2022
code423n4 added a commit that referenced this issue May 2, 2022
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Labels
bug Something isn't working QA (Quality Assurance) Assets are not at risk. State handling, function incorrect as to spec, issues with clarity, syntax
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