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// SPDX-FileCopyrightText: © 2017 DappHub, LLC
// SPDX-FileCopyrightText: © 2023 Dai Foundation <www.daifoundation.org>
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

pragma solidity ^0.8.16;

contract AllocatorRoles {
    // --- storage variables ---

    mapping(address => uint256) public wards;
    mapping(bytes32 => address) public ilkAdmins;
    mapping(bytes32 => mapping(address => bytes32)) public userRoles;
    mapping(bytes32 => mapping(address => mapping(bytes4 => bytes32))) public actionsRoles;

    // --- events ---

    event Rely(address indexed usr);
    event Deny(address indexed usr);
    event SetIlkAdmin(bytes32 indexed ilk, address user);
    event SetUserRole(bytes32 indexed ilk, address indexed who, uint8 indexed role, bool enabled);
    event SetRoleAction(bytes32 indexed ilk, uint8 indexed role, address indexed target, bytes4 sig, bool enabled);

    // --- modifiers ---

    modifier auth() {
        require(wards[msg.sender] == 1, "AllocatorRoles/not-authorized");
        _;
    }

    modifier ilkAuth(bytes32 ilk) {
        require(ilkAdmins[ilk] == msg.sender, "AllocatorRoles/ilk-not-authorized");
        _;
    }

    // --- constructor ---

    constructor() {
        wards[msg.sender] = 1;
        emit Rely(msg.sender);
    }

    // --- getters ---

    function hasUserRole(bytes32 ilk, address who, uint8 role) external view returns (bool has) {
        has = userRoles[ilk][who] & bytes32(uint256(1) << role) != bytes32(0);
    }

    function hasActionRole(bytes32 ilk, address target, bytes4 sig, uint8 role) external view returns (bool has) {
        has = actionsRoles[ilk][target][sig] & bytes32(uint256(1) << role) != bytes32(0);
    }

    // --- general administration ---

    function rely(address usr) external auth {
        wards[usr] = 1;
        emit Rely(usr);
    }

    function deny(address usr) external auth {
        wards[usr] = 0;
        emit Deny(usr);
    }

    function setIlkAdmin(bytes32 ilk, address usr) external auth {
        ilkAdmins[ilk] = usr;
        emit SetIlkAdmin(ilk, usr);
    }

    // --- ilk administration ---

    function setUserRole(bytes32 ilk, address who, uint8 role, bool enabled) public ilkAuth(ilk) {
        bytes32 mask = bytes32(uint256(1) << role);
        if (enabled) {
            userRoles[ilk][who] |= mask;
        } else {
            userRoles[ilk][who] &= ~mask;
        }
        emit SetUserRole(ilk, who, role, enabled);
    }

    function setRoleAction(bytes32 ilk, uint8 role, address target, bytes4 sig, bool enabled) external ilkAuth(ilk) {
        bytes32 mask = bytes32(uint256(1) << role);
        if (enabled) {
            actionsRoles[ilk][target][sig] |= mask;
        } else {
            actionsRoles[ilk][target][sig] &= ~mask;
        }
        emit SetRoleAction(ilk, role, target, sig, enabled);
    }

    // --- caller ---

    function canCall(bytes32 ilk, address caller, address target, bytes4 sig) external view returns (bool ok) {
        ok = userRoles[ilk][caller] & actionsRoles[ilk][target][sig] != bytes32(0);
    }
}

{
  "remappings": [
    "ds-test/=lib/dss-test/lib/forge-std/lib/ds-test/src/",
    "dss-interfaces/=lib/dss-test/lib/dss-interfaces/src/",
    "dss-test/=lib/dss-test/src/",
    "forge-std/=lib/dss-test/lib/forge-std/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "viaIR": false,
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"usr","type":"address"}],"name":"Deny","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"usr","type":"address"}],"name":"Rely","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"ilk","type":"bytes32"},{"indexed":false,"internalType":"address","name":"user","type":"address"}],"name":"SetIlkAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"ilk","type":"bytes32"},{"indexed":true,"internalType":"uint8","name":"role","type":"uint8"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bytes4","name":"sig","type":"bytes4"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"SetRoleAction","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"ilk","type":"bytes32"},{"indexed":true,"internalType":"address","name":"who","type":"address"},{"indexed":true,"internalType":"uint8","name":"role","type":"uint8"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"SetUserRole","type":"event"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"address","name":"","type":"address"},{"internalType":"bytes4","name":"","type":"bytes4"}],"name":"actionsRoles","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"sig","type":"bytes4"}],"name":"canCall","outputs":[{"internalType":"bool","name":"ok","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"usr","type":"address"}],"name":"deny","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"sig","type":"bytes4"},{"internalType":"uint8","name":"role","type":"uint8"}],"name":"hasActionRole","outputs":[{"internalType":"bool","name":"has","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"address","name":"who","type":"address"},{"internalType":"uint8","name":"role","type":"uint8"}],"name":"hasUserRole","outputs":[{"internalType":"bool","name":"has","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"ilkAdmins","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"usr","type":"address"}],"name":"rely","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"address","name":"usr","type":"address"}],"name":"setIlkAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"uint8","name":"role","type":"uint8"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"sig","type":"bytes4"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setRoleAction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"ilk","type":"bytes32"},{"internalType":"address","name":"who","type":"address"},{"internalType":"uint8","name":"role","type":"uint8"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setUserRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"},{"internalType":"address","name":"","type":"address"}],"name":"userRoles","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"wards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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