pragma solidity >=0.6.12; // Author: Louis Holbrook 0826EDA1702D1E87C6E2875121D2E7BB88C2A746 // SPDX-License-Identifier: GPL-3.0-or-later // File-version: 2 interface AccountRegistry { event AccountAdded(address indexed addedAccount, uint256 indexed accountIndex); function accounts(uint256 _idx) external view returns (address); function accountsIndex(address _account) external view returns (uint256); function count() external view returns (uint256); function addWriter(address _writer) external returns (bool); function deleteWriter(address _writer) external returns (bool); function add(address _account) external returns (bool); function have(address _account) external view returns (bool); }