# SmartRouterV3

### Contract Info

[Contract address](https://docs.payswap.org/espanol/developers/smart-contracts/payswap-exchange/v3-contracts/..#address)

{% hint style="info" %}
**Notice**

At the very end of all swaps via router, `refundETH` should be called. PancakeSwap will ensure this.
{% endhint %}

### Audits

### API

#### constructor

`constructor(address _factoryV2, address _deployer, address _factoryV3, address _positionManager, address _stableFactory, address _stableInfo, address _WETH9) public`