WstETHReferralStaker
WstETHReferralStaker is a utility contract that allows users to stake ETH into the Lido protocol with referral address, then automatically wrap the received stETH into wstETH and transfer it back to the user in a single transaction.
Audit
In progress
Upgradability
This contract is not upgradable.
Methods
stakeETH
Stake ETH with referral address.
function stakeETH(address _referral) external payable returns (uint256)
Parameters
| Parameter Name | Type | Description |
|---|---|---|
_referral | address | Referral address for Lido's referral program. |
Returns
Amount of wstETH user receives after wrap.
Interfaces
IWstETH
| Function | Description |
|---|---|
wrap(uint256 _stETHAmount) external returns (uint256) | Wraps _stETHAmount of stETH into wstETH and returns the amount of wstETH minted. More here |
stETH() external view returns (address) | Returns the underlying stETH token address. |
IStETH
| Function | Description |
|---|---|
submit(address _referral) external payable returns (uint256) | Stakes ETH, optionally credits a referral, and mints stETH shares for the caller; returns the number of shares minted. More here |
function getTotalShares() external view returns (uint256) | Returns the total amount of shares in existence. More here |
function getTotalPooledEther() external view returns (uint256) | Returns the entire amount of ether controlled by the protocol. More here |