162-aave-v2-ethereum-freeze-busd.md

Proposal 162. BUSD freezing on Aave v2 Ethereum

Voting link

https://app.aave.com/governance/proposal/?proposalId=162

Governance forum discussion

https://governance.aave.com/t/arfc-freeze-busd-on-aave-v2/11842

BGD analysis

Proposal types

🧊 freeze-asset

Context

Given the upcoming halting of BUSD minting, this proposal freezes BUSD on Aave v2 Ethereum, stopping new deposits and borrowings, but keeping all other dynamics (repayment, liquidation).

Proposal creation

Transaction: https://etherscan.io/tx/0x40efa789f79416a27d9978acf003ea48dfe75f087c14c73638d9784c4667adb9

- id: 162
- creator: 0x329c54289ff5d6b7b7dae13592c6b1eda1543ed4
- executor: 0xee56e2b3d491590b5b31738cc34d5232f378a8d5
- targets: [0x9c4bf756e2d8da301121b036958f6b3fcd0fe801]
- values: [0]
- signatures: [execute()]
- calldatas: [0x]
- withDelegatecalls: [true]
- startBlock: 16685056
- endBlock: 16704256
- strategy: 0xb7e383ef9b1e9189fc0f71fb30af8aa14377429e
- ipfsHash: 0x1b90a1c2218867611b3d705e42b65c4a54a0e72bf5d23d20cc292d47c05a1568

Aave Seatbelt report

https://github.com/bgd-labs/seatbelt-for-ghosts/blob/main/reports/Aave/0xEC568fffba86c094cf06b22134B23074DFE2252c/162.md

Technical analysis

The proposal payload simply interacts with the PoolConfigurator of Aave v2 Ethereum to freeze BUSD by calling the freezeReserve() function.

BGD validations

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

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

✅ BGD reviewed the payload before the proposal was submitted.

✅ Only one payload used via delegatecall

✅ BGD reviewed the procedure followed to submit the proposal.