Skip to main content
Upgradable contracts cannot receive ether via transfer because of increased SLOAD gas cost. We use this non-upgradeable contract as the recipient and then immediately transfer to an upgradable contract. More details about this issue can be found here.

​
Variables

​
weth

contract IWETH public weth;
Wrapped native token contract

​
Functions

​
constructor

function constructor(
    contract IWETH _weth
) public

​
withdraw

function withdraw(
    address receiver,
    uint256 wad
) external
Transfer assets to a receiver.

​
Parameters:

NameTypeDescription
receiveraddressThis address will receive a transfer
waduint256Amount in wei

​
_safeTransferETH

function _safeTransferETH(
    address _to,
    uint256 _value
) internal

​
receive

function receive() external

​
version

function version() external returns (uint256)
Get this contract’s version

​
Events

​
Withdrawal

event Withdrawal(
    address receiver,
    uint256 wad
)
Emitted when any amount is withdrawn.