v3-83-gov-v3-LayerZero-bridge-adapter-update.md

Proposal 83. LayerZero bridge adapter update to V2.

Voting link

https://vote.onaave.com/proposal/?proposalId=83

Governance forum discussion

https://governance.aave.com/t/bgd-technical-maintenance-proposals/15274/29

Payloads

• Ethereum - proposal payloads

• Polygon - proposal payloads

• Avalanche - proposal payloads

• Gnosis - proposal payloads

• BNB - proposal payloads

Certora analysis

Proposal types

📜🔺 contract upgrade

Context

This proposal updates the LayerZero bridge adapters used on a.DI to connect Ethereum with Polygon, Avalanche, BNB and Gnosis to the new LayerZero V2 version in order to bring the bridge adapters to the up to date version.

Proposal creation

Transaction: https://etherscan.io/tx/0x99881b4cbfa49c9681451e6233fe11f738a6f901c40d7d309f6bc60b80e376e2

- proposalId: 83
- creator: 0xf71fc92e2949ccf6a5fd369a0b402ba80bc61e02
- accessLevel: 1
- ipfsHash: 0x309c9f0c885674230940e60b2a8e6fba9a226483d9117ba916ef72d4e3bd013f

createProposal() parameters

{
  "payloads": [ 
    { 
      "chain": "1", 
      "accessLevel": "1", 
      "payloadsController": "0xdAbad81aF85554E9ae636395611C58F7eC1aAEc5", 
      "payloadId": "105" 
    }, 
    { 
      "chain": "137", 
      "accessLevel": "1", 
      "payloadsController": "0x401B5D0294E23637c18fcc38b1Bca814CDa2637C", 
      "payloadId": "53" 
    }, 
    { 
      "chain": "43114", 
      "accessLevel": "1", 
      "payloadsController": "0x1140CB7CAfAcC745771C2Ea31e7B5C653c5d0B80", 
      "payloadId": "24" 
    }, 
    { 
      "chain": "100", 
      "accessLevel": "1", 
      "payloadsController": "0x9A1F491B86D09fC1484b5fab10041B189B60756b", 
      "payloadId": "13" 
    }, 
    { 
      "chain": "56", 
      "accessLevel": "1", 
      "payloadsController": "0xE5EF2Dd06755A97e975f7E282f828224F2C3e627", 
      "payloadId": "11" 
    }, 
  ], 
  "votingPortal": "0x9b24C168d6A76b5459B1d47071a54962a4df36c3", 
  "ipfsHash": "0x309c9f0c885674230940e60b2a8e6fba9a226483d9117ba916ef72d4e3bd013f" 
}

Aave Seatbelt report

Proposal report

https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/proposals/83.md

Payload reports

• Ethereum V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/1/0xdAbad81aF85554E9ae636395611C58F7eC1aAEc5/105.md

• Polygon V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/137/0x401B5D0294E23637c18fcc38b1Bca814CDa2637C/53.md

• Avalanche V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/43114/0x1140CB7CAfAcC745771C2Ea31e7B5C653c5d0B80/24.md

• Gnosis V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/100/0x9A1F491B86D09fC1484b5fab10041B189B60756b/13.md

• BNB V3 - https://github.com/bgd-labs/seatbelt-gov-v3/blob/main/reports/payloads/56/0xE5EF2Dd06755A97e975f7E282f828224F2C3e627/11.md

Technical analysis

We have verified that the payload Updates the LayerZero bridge adapters used to connect between networks to LayerZero V2 with the following values:

• Ethereum: 0x8410d9BD353b420ebA8C48ff1B0518426C280FCC

• Polygon: 0x7FAE7765abB4c8f778d57337bB720d0BC53057e3

• Avalanche: 0x10f02995a399C0dC0FaF29914220E9C1bCdE8640

• Gnosis: 0x9b6f5ef589A3DD08670Dd146C11C4Fb33E04494F

• BNB: 0xa5cc218513305221201f196760E9e64e9D49d98A

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.