pragma solidity >=0.6.12;

// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier:	AGPL-3.0-or-later
// File-version: 1

interface ITokenSwap {
	// Add inToken liquidity of the full balance of the sender
	// Requires token approval for the balance.
	function deposit(address _inToken) external returns (uint256);

	// Add inToken liquidity to the tune of given value. 
	// Requires token approval for the corresponding value.
	function deposit(address _inToken, uint256 _value) external returns (uint256);

	// Withdraw any pending outToken balance in the pool for the sender.
	function withdraw(address _outToken) external returns (uint256);

	// Withdraw pending outToken balance of given value in the pool for the sender.
	function withdraw(address _outToken, uint256 _value) external returns (uint256);

	// Exchange inToken equalling given value for outToken.
	// Requires token approval for the value of inToken.
	function withdraw(address _outToken, address _inToken, uint256 _value) external returns (uint256);
}