pragma solidity >=0.6.12;

// Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier:	AGPL-3.0-or-later
// File-version: 3

interface IBurner {
	// Token(s) successfully burned; by who and how much.
	event Burn(address indexed _burner, uint256 _burned);

	// Satisfies ERC 5679
	function burn(address _from, uint256 _amount, bytes calldata _data) external;

	// Burn given amount of tokens held by signer.
	function burn(uint256 _amount) external returns (bool);

	// Burn all tokens held by signer.
	// Returns the amount of tokens burned.
	function burn() external returns (uint256);

	// Total amount of tokens that have been burned.
	function totalBurned() external returns (uint256);

	// Total amount of tokens ever minted.
	// If totalSupply() is available (ERC20, ERC721 Enumerable), this equals totalSupply() + totalBurned().
	function totalMinted() external returns (uint256);
}