// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

interface IDefaultPool {
    function swap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external returns (uint256 amountOut);

    function calculateSwap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256 amountOut);

    function getToken(uint8 index) external view returns (address token);
}