20 lines
695 B
Solidity
20 lines
695 B
Solidity
pragma solidity >=0.6.12;
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// Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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// SPDX-License-Identifier: GPL-3.0-or-later
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// File-version: 1
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abstract contract AccountsIndex {
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address[] public accounts;
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mapping(address => uint256) public accountsIndex;
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uint256 public count;
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event AccountAdded(address indexed addedAccount, uint256 indexed accountIndex);
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function addWriter(address _writer) public virtual returns (bool);
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function deleteWriter(address _writer) public virtual returns (bool);
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function add(address _account) external virtual returns (bool);
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function have(address _account) external virtual view returns (bool);
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}
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