# WethGateway

`WETHGateway.sol` is a contract that serves as a gateway for wrapping and unwrapping ETH and interacting with WETH (Wrapped ETH) within the Unlockd Protocol.

### Key functions:

<pre class="language-solidity"><code class="lang-solidity"><strong>function authorizeProtocol(
</strong>    address uTokenVault
) external onlyOwner
</code></pre>

Authorizes the Unlockd Protocol to interact with the WETH contract.

Parameters:

`uTokenVault`: The address of the UTokenVault contract.

***

```solidity
function depositETH(address onBehalfOf) external payable override
```

Deposits ETH and mints corresponding WETH tokens.

### Parameters:

`onBehalfOf`: The address to deposit ETH on behalf of.

***

```solidity
function withdrawETH(uint256 amount, address to) external override
```

Withdraws WETH tokens and receives ETH.

### Parameters:

`amount`: The amount of WETH to withdraw.

`to`: The address to receive the withdrawn ETH.

***

```solidity
function emergencyTokenTransfer(
    address token, 
    address to, 
    uint256 amount
) external onlyOwner
```

Performs an emergency transfer of ERC20 tokens.

### Parameters:

`token`: The address of the token to transfer.

`to`: The recipient address of the token transfer.

`amount`: The amount of tokens to transfer.

***

```solidity
function emergencyEtherTransfer(
    address to, 
    uint256 amount
) external onlyOwner
```

Performs an emergency transfer of ETH.

### Parameters:

`to`: The recipient address of the ETH transfer.

`amount`: The amount of ETH to transfer.

***

<pre class="language-solidity"><code class="lang-solidity"><strong>function getWETHAddress() external view returns (address)
</strong></code></pre>

Returns the address of the WETH contract.