122-aave-v2-ethereum-risk-parameter-updates-pause-LINK-borrowing.md

Proposal 122. Aave v2 Ethereum - Risk Parameter Updates. Pause LINK borrowing

Voting link

https://app.aave.com/governance/proposal/?proposalId=122

Governance forum discussion

https://governance.aave.com/t/arc-risk-parameter-recommendations-for-aave-v2-eth-2022-11-22/10757

BGD analysis

Proposal types

🔧 📊 params-update

Context

This proposal is an update of risk parameters on Aave v2 Ethereum by Gauntlet, specifically to pause borrowing of the LINK asset.

Proposal creation

Transaction: https://etherscan.io/tx/0x022f2bab36b4cc4651b0de42023a914eff2372f342ff8cad950a8054e3033af4

- id: 122
- creator: 0x683a4f9915d6216f73d6df50151725036bd26c02
- executor: 0xee56e2b3d491590b5b31738cc34d5232f378a8d5
- targets: [0x311bb771e4f8952e6da169b425e7e92d6ac45756]
- values: [0]
- signatures: []
- calldatas: [0xa8dc0f45000000000000000000000000514910771af9ca656af840dff83e8264ecf986ca]
- withDelegatecalls: [false]
- startBlock: 16037108
- endBlock: 16056308
- strategy: 0xb7e383ef9b1e9189fc0f71fb30af8aa14377429e
- ipfsHash: 0x156304a338a9c71cca4be6ce621f0c7550ba96f8dbfde98dde90af622a5fa0df

Aave Seatbelt report

https://github.com/bgd-labs/seatbelt-for-ghosts/blob/main/reports/Aave/0xEC568fffba86c094cf06b22134B23074DFE2252c/122.md

Technical analysis

From a technical perspective, we have verified that the calldata submitted as payload of the proposal disables borrowing of LINK on Aave v2 Ethereum (both variable and stable), by calling disableBorrowingOnReserve() on the Aave Pool Configurator.

BGD validations

✅ The code on the proposal payload corresponds to the proposal specification.

✅ Payload encoded via multiple targets and calldatas, no delegatecall

✅ BGD reviewed the payload before the proposal was submitted.

❓ The proposal includes a proper tests suite, checking all necessary post-conditions.

❌ BGD reviewed the procedure followed to submit the proposal.