# DragonswapV2Factory

Deploys DragonswapV2 pools and manages ownership and control over pool protocol fees

### Functions[​](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#functions) <a href="#functions" id="functions"></a>

#### createPool[​](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#createpool) <a href="#createpool" id="createpool"></a>

```solidity
  function createPool(
    address tokenA,
    address tokenB,
    uint24 fee
  ) external returns (address pool)
```

Creates a pool for the given two tokens and fee

tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments are invalid.

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#parameters)

| Name     | Type    | Description                                     |
| -------- | ------- | ----------------------------------------------- |
| `tokenA` | address | One of the two tokens in the desired pool       |
| `tokenB` | address | The other of the two tokens in the desired pool |
| `fee`    | uint24  | The desired fee for the pool                    |

**Return Values:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#return-values)

| Name   | Type    | Description                           |
| ------ | ------- | ------------------------------------- |
| `pool` | address | The address of the newly created pool |

#### setOwner[​](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#setowner) <a href="#setowner" id="setowner"></a>

```solidity
  function setOwner(
    address _owner
  ) external
```

Updates the owner of the factory

Must be called by the current owner

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#parameters-1)

| Name     | Type    | Description                  |
| -------- | ------- | ---------------------------- |
| `_owner` | address | The new owner of the factory |

#### enableFeeAmount[​](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#enablefeeamount) <a href="#enablefeeamount" id="enablefeeamount"></a>

```solidity
  function enableFeeAmount(
    uint24 fee,
    int24 tickSpacing
  ) public
```

Enables a fee amount with the given tickSpacing

Fee amounts may never be removed once enabled

**Parameters:**[**​**](https://docs.uniswap.org/contracts/v3/reference/core/UniswapV3Factory#parameters-2)

| Name          | Type   | Description                                                                              |
| ------------- | ------ | ---------------------------------------------------------------------------------------- |
| `fee`         | uint24 | The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6)                 |
| `tickSpacing` | int24  | The spacing between ticks to be enforced for all pools created with the given fee amount |


---

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