Initial commit

2022-07-25 18:40:16 +03:00
commit 843daad632
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+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+pragma solidity ^0.8.14;
+
+import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
+import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol";
+
+abstract contract RoleControl is AccessControlUpgradeable {
+
+    bytes32 OPERATOR_ROLE = bytes32("OPERATOR_ROLE");
+
+    function isAdmin(address account) public view returns(bool) {
+        return hasRole(DEFAULT_ADMIN_ROLE, account);
+    }
+
+    modifier onlyAdmin() {
+        require(isAdmin(msg.sender));
+        _;
+    }
+
+    function grantOperator(address account) public onlyAdmin {
+        grantRole(OPERATOR_ROLE, account);
+    }
+
+    function isOperator(address account) public view returns(bool) {
+        return hasRole(OPERATOR_ROLE, account);
+    }
+
+    modifier onlyOperator() {
+        require(isAdmin(msg.sender));
+        _;
+    }
+
+    function grantAdminRole(address account) public onlyAdmin {
+        grantRole(DEFAULT_ADMIN_ROLE, account);
+    }
+
+
+}
+