v3-60-aave-v3-multichain-contango-flash-borrower-addition.md

Proposal 60. Contango FlashBorrower.

Voting link

https://vote.onaave.com/proposal/?proposalId=60

Governance forum discussion

https://governance.aave.com/t/arfc-add-contango-protocol-cian-protocol-and-index-coop-to-flashborrowers-on-aave-v3/16478

Payloads

• Base - proposal payloads

• Avalanche - proposal payloads

• Polygon - proposal payloads

• Gnosis - proposal payloads

• BNB - proposal payloads

• Scroll - proposal payloads

Certora analysis

Proposal types

🤝 permission granting or revoking

Context

This proposal adds flash borrowers on multiple chains to allow them flashloan from the protocol without paying flashloan premiums. This is an extension of AIP 48 to allow Contango protocol flashloan without paying fees.

Proposal creation

Transaction: https://etherscan.io/tx/0xe429fac9de84e73ec66c1a2a488ef8988c18c386a452a444258d507a223a9e53

- proposalId: 60
- creator: 0x57ab7ee15ce5ecacb1ab84ee42d5a9d0d8112922
- accessLevel: 1
- ipfsHash: 0x2dc3e8cd412fd533a6a66a2042f519341ae0b3cc1ddf2a7f8f8103bde5f922d0

createProposal() parameters

{
  "payloads": [ 
    { 
      "chain": "8453", 
      "accessLevel": "1", 
      "payloadsController": "0x2DC219E716793fb4b21548C0f009Ba3Af753ab01", 
      "payloadId": "11" 
    }, 
    { 
      "chain": "43114", 
      "accessLevel": "1", 
      "payloadsController": "0x1140CB7CAfAcC745771C2Ea31e7B5C653c5d0B80", 
      "payloadId": "19" 
    }, 
    { 
      "chain": "137", 
      "accessLevel": "1", 
      "payloadsController": "0x401B5D0294E23637c18fcc38b1Bca814CDa2637C", 
      "payloadId": "46" 
    }, 
    { 
      "chain": "100", 
      "accessLevel": "1", 
      "payloadsController": "0x9A1F491B86D09fC1484b5fab10041B189B60756b", 
      "payloadId": "8" 
    }, 
    { 
      "chain": "56", 
      "accessLevel": "1", 
      "payloadsController": "0xE5EF2Dd06755A97e975f7E282f828224F2C3e627", 
      "payloadId": "8" 
    }, 
    { 
      "chain": "534352", 
      "accessLevel": "1", 
      "payloadsController": "0x6b6B41c0f8C223715f712BE83ceC3c37bbfDC3fE", 
      "payloadId": "5" 
    }, 
  ], 
  "votingPortal": "0x9b24C168d6A76b5459B1d47071a54962a4df36c3", 
  "ipfsHash": "0x2dc3e8cd412fd533a6a66a2042f519341ae0b3cc1ddf2a7f8f8103bde5f922d0" 
}

Aave Seatbelt report

Proposal report

https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/proposals/60.md

Payload reports

• Base V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/8453/0x2DC219E716793fb4b21548C0f009Ba3Af753ab01/11.md

• Avalanche - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/43114/0x1140CB7CAfAcC745771C2Ea31e7B5C653c5d0B80/19.md

• Polygon - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/137/0x401B5D0294E23637c18fcc38b1Bca814CDa2637C/46.md

• Gnosis - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/100/0x9A1F491B86D09fC1484b5fab10041B189B60756b/8.md

• BNB - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/56/0xE5EF2Dd06755A97e975f7E282f828224F2C3e627/8.md

• Scroll - No Report

Technical analysis

We have verified that on all 6 chains mentioned above the addresses 0xab515542d621574f9b5212d50593cD0C07e641bD or 0x14F8e5Fe35b2d0D67dBcE9329f1b5d09f60c06C3 were granted flashBorrower roles on AaveV3, according to the specification.

The proposal is consistent with the description on the governance forum.

Certora 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.

✅ Certora reviewed the procedure followed to submit the proposal.