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description: Submitted by (4) MEP, also found by byndooa, Haipls, and minhquanym
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# Copy Of Lack Of Verification In Hashes

### Summary:

[_**https://code4rena.com/reports/2022-08-rigor/#m-12-updateprojecthash-does-not-check-project-address**_](https://code4rena.com/reports/2022-08-rigor/#m-12-updateprojecthash-does-not-check-project-address)

In Project.sol, function `updateProjectHash` L162, `_data` (which is signed by builder and/or contractor) does not contain a reference to the project address. In all other external functions of Project.sol, `_data` contains the address of the project, used in this check:\
`require(_projectAddress == address(this), "Project::!projectAddress");`.

### Mitigation:
