// SPDX-License-Identifier: MIT

pragma solidity 0.8.19;

interface ISortedTroves {
	event NodeAdded(address _id, uint256 _NICR);
	event NodeRemoved(address _id);

	function insert(address _id, uint256 _NICR, address _prevId, address _nextId) external;

	function reInsert(address _id, uint256 _newNICR, address _prevId, address _nextId) external;

	function remove(address _id) external;

	function setAddresses(address _troveManagerAddress) external;

	function contains(address _id) external view returns (bool);

	function data() external view returns (address head, address tail, uint256 size);

	function findInsertPosition(uint256 _NICR, address _prevId, address _nextId) external view returns (address, address);

	function getFirst() external view returns (address);

	function getLast() external view returns (address);

	function getNext(address _id) external view returns (address);

	function getPrev(address _id) external view returns (address);

	function getSize() external view returns (uint256);

	function isEmpty() external view returns (bool);

	function troveManager() external view returns (address);

	function validInsertPosition(uint256 _NICR, address _prevId, address _nextId) external view returns (bool);
}