Renzo Liquid Restaking Integration

Renzo Liquid Restaking Integration

Renzo — liquid restaking protocol with ezETH. Unique features: multichain support (Ethereum mainnet + L2 native deposits), active diversification strategy across operators and AVS, native EigenLayer integration via DepositQueue contract.

ezETH Token

ezETH — value-accruing liquid restaking token. Not rebasing: exchange rate grows, balance unchanged. Simplifies DeFi integration.

Multichain ezETH: unlike competitors, Renzo allows deposits on Arbitrum, Linea and other L2s — ETH bridges and restakes without mainnet gas costs.

Deposit and Get ezETH

interface IRestakeManager {
    function depositETH() external payable;
    function depositETH(uint256 referralId) external payable;
    function deposit(IERC20 token, uint256 amount) external;
    function deposit(IERC20 token, uint256 amount, uint256 referralId) external;
}

// Deposit ETH
IRestakeManager restakeManager = IRestakeManager(RENZO_RESTAKE_MANAGER);
restakeManager.depositETH{value: ethAmount}(referralId);

// Deposit LST (stETH, cbETH, etc.)
IERC20(stETH).approve(address(restakeManager), amount);
restakeManager.deposit(IERC20(stETH), amount, referralId);

Get Current Exchange Rate

interface IRenzoOracle {
    function calculateMintAmount(
        uint256 totalTVL,
        uint256 collateralAmountToDeposit,
        uint256 existingEzETHSupply
    ) external pure returns (uint256);
    
    function lookupTokenAmountFromValue(
        IERC20 token,
        uint256 ezETHValue
    ) external view returns (uint256);
}

// Or via ezETH/ETH price feed
// Renzo provides custom oracle for use in DeFi

L2 Integration via xEzETH

On L2 networks Renzo uses bridged version of ezETH. Integration requires cross-chain messaging understanding:

// On Arbitrum — deposit ETH directly
const l2RestakeManager = new ethers.Contract(
    RENZO_L2_ADDRESS,
    L2RestakeManagerABI,
    arbProvider
);

// ETH on Arbitrum automatically bridges and restakes on mainnet
await l2RestakeManager.depositETH({ value: parseEther("1.0") });
// User gets xEzETH on Arbitrum

Renzo integration — 1-2 weeks for basic deposit/withdrawal flow. Multichain support adds complexity — handling multiple networks and state synchronization.