| pragma solidity ^0.4.23; | |
| contract References { | |
| mapping (bytes32 => address) internal references; | |
| } | |
| contract AuthorizedList { | |
| bytes32 constant PRESIDENT = keccak256("Republics President!"); | |
| bytes32 constant STAFF_MEMBER = keccak256("Staff Member."); | |
| bytes32 constant AIR_DROP = keccak256("Airdrop Permission."); | |
| bytes32 constant INTERNAL = keccak256("Internal Authorization."); | |
| mapping (address => mapping(bytes32 => bool)) authorized; | |
| } | |
| contract Authorized is AuthorizedList { | |
| function Authorized() public { | |
| authorized[msg.sender][PRESIDENT] = true; | |
| } | |
| modifier ifAuthorized(address _address, bytes32 _authorization) { | |
| require(authorized[_address][_authorization] || authorized[_address][PRESIDENT], "Not authorized to access!"); | |
| _; | |
| } | |
| function isAuthorized(address _address, bytes32 _authorization) public view returns (bool) { | |
| return authorized[_address][_authorization]; | |
| } | |
| function toggleAuthorization(address _address, bytes32 _authorization) public ifAuthorized(msg.sender, PRESIDENT) { | |
| require(_address != msg.sender, "Cannot change own permissions."); | |
| if (_authorization == PRESIDENT && !authorized[_address][PRESIDENT]) | |
| authorized[_address][STAFF_MEMBER] = false; | |
| authorized[_address][_authorization] = !authorized[_address][_authorization]; | |
| } | |
| } | |
| contract main is References, AuthorizedList, Authorized { | |
| event LogicUpgrade(address indexed _oldbiz, address indexed _newbiz); | |
| event StorageUpgrade(address indexed _oldvars, address indexed _newvars); | |
| function main(address _logic, address _storage) public Authorized() { | |
| require(_logic != address(0), "main: Unexpectedly logic address is 0x0."); | |
| require(_storage != address(0), "main: Unexpectedly storage address is 0x0."); | |
| references[bytes32(0)] = _logic; | |
| references[bytes32(1)] = _storage; | |
| } | |
| function setReference(address _address, bytes32 _key) external ifAuthorized(msg.sender, PRESIDENT) { | |
| require(_address != address(0), "setReference: Unexpectedly _address is 0x0"); | |
| if (_key == bytes32(0)) emit LogicUpgrade(references[bytes32(0)], _address); | |
| else emit StorageUpgrade(references[_key], _address); | |
| if (references[_key] != address(0)) | |
| delete references[_key]; | |
| references[_key] = _address; | |
| } | |
| function getReference(bytes32 _key) external view ifAuthorized(msg.sender, PRESIDENT) returns(address) { | |
| return references[_key]; | |
| } | |
| function() external payable { | |
| address _target = references[bytes32(0)]; | |
| assembly { | |
| let _calldata := mload(0x40) | |
| mstore(0x40, add(_calldata, calldatasize)) | |
| calldatacopy(_calldata, 0x0, calldatasize) | |
| switch delegatecall(gas, _target, _calldata, calldatasize, 0, 0) | |
| case 0 { revert(0, 0) } | |
| default { | |
| let _returndata := mload(0x40) | |
| returndatacopy(_returndata, 0, returndatasize) | |
| mstore(0x40, add(_returndata, returndatasize)) | |
| return(_returndata, returndatasize) | |
| } | |
| } | |
| } | |
| } |