# IWETH9

**Inherits:** IERC20

### Functions <a href="#functions" id="functions"></a>

#### deposit <a href="#deposit" id="deposit"></a>

```solidity
function deposit() external payable;
```

#### withdraw <a href="#withdraw" id="withdraw"></a>

```solidity
function withdraw(uint256) external;
```

### Events <a href="#events" id="events"></a>

#### Deposit <a href="#deposit-1" id="deposit-1"></a>

```solidity
event Deposit(address indexed dst, uint256 wad);
```

#### Withdrawal <a href="#withdrawal" id="withdrawal"></a>

```solidity
event Withdrawal(address indexed src, uint256 wad);
```

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