EthAdapter

The EthAdapter is responsible for accepting deposits and withdrawals in ETH, instead of accepting the staked ETH directly. It uses Curve as a trading venue under the hood.

src: https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol

Public State Variables

pool

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L23

function pool() external view returns (address

Curve's pool for the ETH <> stETH token pair.

ETH_INDEX

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L28

function ETH_INDEX() external view returns (int128)

ETH token index in the Curve pool. It is constant 0.

STETH_INDEX

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L33

function ETH_INDEX() external view returns (int128)

StETH token index in the Curve pool. It is constant 1.

ETH_ADDRESS

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L38

function ETH_ADDRESS() external view returns (address)

ETH token address representation. It is constant 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE

STETH_ADDRESS

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L43

function STETH_ADDRESS() external view returns (address)

StETH token address representation. It is constant 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84

View Methods

convertToSTETH

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L61

function convertToSTETH(uint256 ethAmount) external view returns (uint256)

Convert ethAmount ETH to stETH using Curve pool and returns the resulting amount of stETH.

Parameters

Name	Type	Description
ethAmount	uint256	Amount of ETH to convert

Returns

Name	Type	Description
_0	uint256	Amount of stETH receiveid in exchange

convertToETH

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L70

function convertToETH(uint256 stETHAmount) external view returns (uint256)

Convert stethAmount stETH to ETH using Curve pool and returns the resulting amount of ETH.

Parameters

Name	Type	Description
stETHAmount	uint256	Amount of ETH to convert

Returns

Name	Type	Description
_0	uint256	Amount of ETH receiveid in exchange

Write Methods

deposit

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L81

function deposit(contract IVault vault, address receiver, uint256 minOutput) external payable returns (uint256)

Deposit msg.value of ETH, convert to stETH and deposit into vault

Parameters

Name	Type	Description
vault	contract IVault	Pods' strategy vault that will receive the stETH
receiver	address	Address that will be the owner of the Vault's shares
minOutput	uint256	slippage control. Minimum acceptable amount of stETH

Returns

Name	Type	Description
_0	uint256	uint256 Amount of shares returned by vault ERC4626 contract

redeem

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L100

function redeem(contract IVault vault, uint256 shares, address receiver, uint256 minOutput) external nonpayable returns (uint256)

Redeem shares shares, receive stETH, trade stETH for ETH and send to receiver

Parameters

Name	Type	Description
vault	contract IVault	Pods' strategy vault that will receive the shares and payback stETH
shares	uint256	Amount of Vault's shares to redeem
receiver	address	Address that will receive back the ETH withdrawn from the vault
minOutput	uint256	slippage control. Minimum acceptable amount of ETH

Returns

Name	Type	Description
_0	uint256	uint256 Amount of assets received from Vault ERC4626

redeemWithPermit

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L124

function redeemWithPermit(contract IVault vault, uint256 shares, address receiver, uint256 minOutput, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external nonpayable returns (uint256 assets)

redeemWithPermit shares shares, receive stETH, trade stETH for ETH and send to receiver

Do not need to approve the shares in advance. The vault tokenized shares supports Permit

Parameters

Name	Type	Description
vault	contract IVault	Pods' strategy vault that will receive the shares and payback stETH
shares	uint256	Amount of Vault's shares to redeem
receiver	address	Address that will receive back the ETH withdrawn from vault
minOutput	uint256	slippage control. Minimum acceptable amount of ETH
deadline	uint256	deadline that this transaction will be valid
v	uint8	recovery id
r	bytes32	ECDSA signature output
s	bytes32	ECDSA signature output

Returns

Name	Type	Description
assets	uint256	Amount of assets received from Vault ERC4626

withdraw

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L148

function withdraw(contract IVault vault, uint256 assets, address receiver, uint256 minOutput) external nonpayable returns (uint256 shares)

Withdraw assets assets, receive stETH, trade stETH for ETH and send to receiver

Do not need to approve the shares in advance. The vault tokenized shares supports Permit

Parameters

Name	Type	Description
vault	contract IVault	Pods' strategy vault that will receive the shares and payback stETH
assets	uint256	Amount of assets (stETH) to redeem
receiver	address	Address that will receive back the ETH withdrawn from the Vault
minOutput	uint256	slippage control. Minimum acceptable amount of ETH

Returns

Name	Type	Description
shares	uint256	Amount of shares burned in order to receive assets

withdrawWithPermit

https://github.com/pods-finance/yield-contracts/blob/main/contracts/proxy/ETHAdapter.sol#L171

function withdrawWithPermit(contract IVault vault, uint256 assets, address receiver, uint256 minOutput, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external nonpayable returns (uint256 shares)

withdrawWithPermit assets assets, receive stETH, trade stETH for ETH and send to receiver

Do not need to approve the shares in advance. Vault's tokenized shares supports Permit

Parameters

Name	Type	Description
vault	contract IVault	Pods' strategy vault that will receive the shares and payback stETH
assets	uint256	Amount of assets (stETH) to redeem
receiver	address	Address that will receive back the ETH withdrawn from the Vault
minOutput	uint256	slippage control. Minimum acceptable amount of ETH
deadline	uint256	deadline that this transaction will be valid
v	uint8	recovery id
r	bytes32	ECDSA signature output
s	bytes32	ECDSA signature output

Returns

Name	Type	Description
shares	uint256	Amount of shares burned in order to receive assets