pragma solidity >=0.6.12;

// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier:	AGPL-3.0-or-later
// File-version: 6

interface IFaucet {
	// Tokens were given to an address
	event Give(address indexed _recipient, address indexed _token, uint256 _value);

	// The amount that the faucet disperses has changed
	event FaucetAmountChange(uint256 _value);

	// Address of token the faucet represents
	// The faucet will return gas tokens with the zero-address is returned.
	function token() external returns (address);

	// Amount of tokens the faucet gives out
	function tokenAmount() external returns (uint256);

	// Give tokens to the given recipient. Returns amount of tokens given.
	function giveTo(address _recipient) external returns (uint256);

	// Give tokens to yourself. Returns amount of tokens given.
	function gimme() external returns (uint256);

	// Check if faucet may be used in the current contract state by _recipient
	function check(address _recipient) external view returns (bool);

	// Returns timestamp when faucet may be used again by _recipient
	// If 0 is returned, the address has not yet been used.
	// A return value of max(uint256) indicates that the faucet may not be used again.
	function nextTime(address _recipient) external returns (uint256);

	// Returns the token balance under which faucet may be used again by _recipient
	// A return value of max(uint256) indicates that the faucet may be used regardless
	//   of the token balance of _recipient
	function nextBalance(address _recipient) external returns (uint256);
}