mirror of
https://github.com/Instadapp/smart-contract.git
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115 lines
2.7 KiB
Solidity
115 lines
2.7 KiB
Solidity
pragma solidity ^0.5.2;
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/// @title Owners
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/// @notice
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/// @dev
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contract Owners {
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event LogAddOwner(address addr);
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event LogRemoveOwner(address addr);
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/// @notice owners of the contracts
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mapping(address => bool) public owners;
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uint public ownersCount;
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/**
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* @dev Check if msg.sender is owner.
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*/
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modifier onlyOwner() {
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require(isOwner(msg.sender), "permission-denied");
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_;
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}
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/// @dev Check if is owner.
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/// @param _owner (address)
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function isOwner(address _owner) public view returns (bool) {
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return owners[_owner];
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}
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/// @dev add new owner
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/// @param _owner (address)
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function addOwner(address _owner) public onlyOwner {
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owners[_owner] = true;
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ownersCount++;
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}
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/// @dev removed existing owner
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/// @param _owner (address)
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function removeOwner(address _owner) public onlyOwner {
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owners[_owner] = false;
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ownersCount--;
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require(ownersCount > 0, "zero-owner-not-allowed");
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}
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}
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/// @title Managers
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/// @notice
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/// @dev
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contract Managers is Owners {
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event LogAddManager(address addr);
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event LogRemoveManager(address addr);
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/// @notice managers of the contracts
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mapping(address => bool) public managers;
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/// @dev Check if manager.
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/// @param _manager (address)
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function isManager(address _manager) public view returns (bool) {
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return managers[_manager];
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}
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/// @dev add new manager
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/// @param _manager (address)
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function addManager(address _manager) public onlyOwner {
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managers[_manager] = true;
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}
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/// @dev removed existing manager
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/// @param _manager (address)
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function removeManager(address _manager) public onlyOwner {
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managers[_manager] = false;
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}
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}
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/// @title Guardians
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/// @notice
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/// @dev
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contract Guardians is Managers {
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event LogAddGuardian(address addr);
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event LogRemoveGuardian(address addr);
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/// @notice guardians of the contracts
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mapping(address => bool) public guardians;
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/// @dev Check if guardian
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/// @param _guardians (address)
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function isGuardian(address _guardians) public view returns (bool) {
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return guardians[_guardians];
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}
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/// @dev add new guardian
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/// @param _guardians (address)
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function addGuardian(address _guardians) public onlyOwner {
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guardians[_guardians] = true;
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}
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/// @dev removed existing guardian
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/// @param _guardians (address)
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function removeGuardian(address _guardians) public onlyOwner {
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guardians[_guardians] = false;
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}
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}
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/// @title InstaAccess
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/// @dev Initializing Access Control
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contract InstaAccess is Guardians {
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constructor() public {
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owners[msg.sender] = true;
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ownersCount++;
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}
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} |