253-aave-v2-ethereum-freeze-TUSD.md

Proposal 253. Aave v2 Ethereum - Freezing of TUSD

Voting link

https://app.aave.com/governance/proposal/?proposalId=253

Governance forum discussion

https://governance.aave.com/t/arfc-freeze-tusd-on-aave-v2-ethereum-pool/13835

BGD analysis

Proposal types

🔧 📊 params-update

🧊 freeze-asset

Context

Due to certain uncertainty surrounding the underlying asset, this proposal freezes the TUSD asset on Aave v2 Ethereum.

Proposal creation

Transaction: https://etherscan.io/tx/0x9ee2fba64223b7759bdc5ab6039190c7c34203e4e32ca3930148062940039d02

- id: 253
- creator: 0x329c54289ff5d6b7b7dae13592c6b1eda1543ed4
- executor: 0xee56e2b3d491590b5b31738cc34d5232f378a8d5
- targets: [0xddbf155eb29cebbbec67a7cf66359dd93f9f5580]
- values: [0]
- signatures: [execute()]
- calldatas: [0x]
- withDelegatecalls: [true]
- startBlock: 17584751
- endBlock: 17603951
- strategy: 0xb7e383ef9b1e9189fc0f71fb30af8aa14377429e
- ipfsHash: 0x3e42d39afde585e5c0337274a4fe907a0e6372f1925725e9d2d27faae7f1737f

Aave Seatbelt report

https://github.com/bgd-labs/seatbelt-for-ghosts/blob/main/reports/Aave/0xEC568fffba86c094cf06b22134B23074DFE2252c/253.md

Technical analysis

The proposal payload interacts with the Aave v2 Ethereum Pool Configurator to call the freezeReserve() function TUSD, effectively freezing the asset: not allowing more supplying and borrowing.

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.