> For the complete documentation index, see [llms.txt](https://docs.rigoblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rigoblock.com/solidity-api-reference/protocol/extensions/adapters/auniswap.md).

# AUniswap

## AUniswap

### constructor

```solidity
constructor(address weth) public
```

### requiredVersion

```solidity
function requiredVersion() external pure returns (string)
```

Returns the minimum implementation version to use an external application.

*Adapters must implement it when modifying proxy state or storage.*

#### Return Values

| Name | Type   | Description                              |
| ---- | ------ | ---------------------------------------- |
| \[0] | string | String of the minimum supported version. |

### unwrapWETH9

```solidity
function unwrapWETH9(uint256 amountMinimum) external
```

Unwraps the contract's WETH9 balance and sends it to recipient as ETH.

*The amountMinimum parameter prevents malicious contracts from stealing WETH9 from users.*

#### Parameters

| Name          | Type    | Description                            |
| ------------- | ------- | -------------------------------------- |
| amountMinimum | uint256 | The minimum amount of WETH9 to unwrap. |

### unwrapWETH9

```solidity
function unwrapWETH9(uint256 amountMinimum, address) external
```

Unwraps ETH from WETH9.

#### Parameters

| Name          | Type    | Description                            |
| ------------- | ------- | -------------------------------------- |
| amountMinimum | uint256 | The minimum amount of WETH9 to unwrap. |
|               | address |                                        |

### wrapETH

```solidity
function wrapETH(uint256 value) external
```

Wraps ETH.

*Client must wrap if input is native currency.*

#### Parameters

| Name  | Type    | Description                   |
| ----- | ------- | ----------------------------- |
| value | uint256 | The ETH amount to be wrapped. |