Smart Contracts Overview

Core Protocol Contracts

PermalockVault.sol

Purpose: Main vault managing veAERO NFTs and deposits

Key Functions:

• deposit(): Deposit AERO tokens

• depositVeNFT(): Deposit existing veNFTs

• executeNFTAction(): Execute actions on managed NFTs

• performMaintenance(): Rebase and merge NFTs

Permissions:

• Owner: Protocol Multi-sig

• Authorized: Voting manager, rewards collector

• Keeper: Maintenance operations

iAEROToken.sol

Purpose: Liquid receipt token for deposited AERO

Features:

• ERC20 + Permit

• Minting restricted to vault

• 1:1 backing (minus fees)

• Transferable and tradeable

LIQToken.sol

Purpose: Governance and incentive token

Features:

• 100M max supply

• Minting restricted to vault

• Burnable by holders

• ERC20 + Permit

Contract Interactions

graph TD User[User] Vault[PermalockVault] iAERO[iAERO Token] LIQ[LIQ Token] SD[StakingDistributor] LSD[LIQ StakingDistributor] RH[RewardsHarvester] TD[TreasuryDistributor] VM[VotingManager] Treasury[Treasury]

User -->|Deposit AERO| Vault
Vault -->|Mint| iAERO
Vault -->|Mint| LIQ
User -->|Stake iAERO| SD
User -->|Stake LIQ| LSD
RH -->|80%| SD
RH -->|10%| TD
TD -->|80% of 10%| LSD
TD -->|20% of 10%| Treasury
VM -->|Execute Votes| Vault
Vault -->|Vote| Aerodrome

Reward Distribution

StakingDistributor.sol

Purpose: Distribute rewards to iAERO stakers

Mechanism:

• Accumulator-based rewards

• Multi-token support (ERC20 + ETH)

• No lockup required

• Pro-rata distribution

RewardsHarvester.sol

Purpose: Claim and distribute Aerodrome rewards

Distribution:

• 80% → iAERO stakers

• 10% → TreasuryDistributor (splits 80/20)

• 10% → Peg defense reserve

TreasuryDistributor.sol

Purpose: Split treasury's share between LIQ stakers and operations

Split (of the 10% it receives):

• 80% → LIQ stakers (8% of total)

• 20% → Treasury operations (2% of total)