pragma solidity ^0.5.11;

interface IUniswapFactory {
  event NewExchange(address indexed token, address indexed exchange);

  function initializeFactory(address template) external;
  function createExchange(address token) external returns (address payable);
  function getExchange(address token) external view returns (address payable);
  function getToken(address token) external view returns (address);
  function getTokenWihId(uint256 token_id) external view returns (address);
}