// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.6.12; import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol'; interface IExchangeAdapter { event Exchange( address indexed from, address indexed to, address indexed platform, uint256 fromAmount, uint256 toAmount ); function approveExchange(IERC20[] calldata tokens) external; function exchange( address from, address to, uint256 amount, uint256 maxSlippage ) external returns (uint256); }