> For the complete documentation index, see [llms.txt](https://docs.dragonswap.app/dragonswap/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dragonswap.app/dragonswap/resources/developer-resources/smart-contracts/dragonswapv2/smart-router/swaprouter02.md).

# SwapRouter02

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

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

```solidity
constructor(address _factoryV1, address factoryV2, address _positionManager, address _WSEI)
    ImmutableState(_factoryV1, _positionManager)
    PeripheryImmutableState(factoryV2, _WSEI);
```