Yearn Lido St. Ether Vault

A wrapper for Lido stETH which uses underlying shares instead of balances which can change outside transfers.

The contract follows Yearn Vault conventions.

Mainnet deployment: 0x15a2B3CfaFd696e1C783FE99eed168b78a3A371e

Interface

The contract implements ERC20, as well as permit. It's all standard and not documented here.

Only the non-standard functionality is outlined below.

__default__()

A shortcut to submit ether to Lido and deposit the received stETH into the Vault.

deposit(), deposit(uint256), deposit(uint256,address)

Deposit stETH tokens into the Vault

Parameters:

• tokens The amount of stETH tokens to deposit (default: balanceOf(msg.sender))
• recipient The account to credit with the minted shares (default: msg.sender)

Returns: The amount of minted shares

withdraw(), withdraw(uint256), withdraw(uint256,address)

Withdraw stETH tokens from the Vault.

Parameters:

• shares The amount of shares to burn for stETH (default: balanceOf(msg.sender))
• recipient The account to credit with stETH (default: msg.sender)

Returns: The amount of withdrawn stETH

pricePerShare()

Get the vault share to stETH ratio.

Returns: The value of a single share