> For the complete documentation index, see [llms.txt](https://docs.turbine.exchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.turbine.exchange/reference/contracts/solidity-documentation/univ4-hook/contract.lptoken.md).

# LPToken

[Git Source](https://github.com/propeller-heads/turbine/blob/90514973167f1eb25cb9eb7756354fb3de34824d/src/univ4-hook/LPToken.sol)

**Inherits:** ERC20

## State Variables

### hook

```solidity
address public hook
```

## Functions

### constructor

```solidity
constructor(string memory _name, string memory _symbol, address _hook) ERC20(_name, _symbol, 18);
```

### hookOnly

Restricts function access to the hook only.

```solidity
modifier hookOnly() ;
```

### \_hookOnly

```solidity
function _hookOnly() internal view;
```

### mint

Mints LP tokens. Can only be called by the authorized hook.

```solidity
function mint(address to, uint256 amount) external hookOnly;
```

### burn

Burns LP tokens. Can only be called by the authorized hook.

```solidity
function burn(address from, uint256 amount) external hookOnly;
```

## Errors

### InvalidCaller

```solidity
error InvalidCaller(string message);
```


---

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