added hasRole to creatorTokenERC20 module (#167)

Author: GWSzeto

Diff for: src/module/token/transferable/CreatorTokenERC20.sol

@@ -3,7 +3,9 @@ pragma solidity ^0.8.0;
 
 import {Module} from "../../../Module.sol";
 import {Role} from "../../../Role.sol";
+
 import {BeforeTransferCallbackERC20} from "../../../callback/BeforeTransferCallbackERC20.sol";
+import {OwnableRoles} from "@solady/auth/OwnableRoles.sol";
 
 import {ICreatorToken} from "@limitbreak/creator-token-standards/interfaces/ICreatorToken.sol";
 
@@ -34,21 +36,30 @@ library CreatorTokenStorage {
 
 contract CreatorTokenERC20 is Module, BeforeTransferCallbackERC20, ICreatorToken {
 
+    /*//////////////////////////////////////////////////////////////
+                                CONSTANTS
+    //////////////////////////////////////////////////////////////*/
+
+    bytes32 private constant DEFAULT_ACCESS_CONTROL_ADMIN_ROLE = 0x00;
+
     /*//////////////////////////////////////////////////////////////
                                 ERRORS
     //////////////////////////////////////////////////////////////*/
 
     /// @notice Revert with an error if the transfer validator is not valid
     error InvalidTransferValidatorContract();
 
+    /// @notice Revert with an error if the transfer validator is not valid
+    error NotTransferValidator();
+
     /*//////////////////////////////////////////////////////////////
                             EXTENSION CONFIG
     //////////////////////////////////////////////////////////////*/
 
     /// @notice Returns all implemented callback and extension functions.
     function getModuleConfig() external pure override returns (ModuleConfig memory config) {
         config.callbackFunctions = new CallbackFunction[](1);
-        config.fallbackFunctions = new FallbackFunction[](3);
+        config.fallbackFunctions = new FallbackFunction[](4);
 
         config.callbackFunctions[0] = CallbackFunction(this.beforeTransferERC20.selector);
 
@@ -58,6 +69,7 @@ contract CreatorTokenERC20 is Module, BeforeTransferCallbackERC20, ICreatorToken
             FallbackFunction({selector: this.getTransferValidationFunction.selector, permissionBits: 0});
         config.fallbackFunctions[2] =
             FallbackFunction({selector: this.setTransferValidator.selector, permissionBits: Role._MANAGER_ROLE});
+        config.fallbackFunctions[3] = FallbackFunction({selector: this.hasRole.selector, permissionBits: 0});
     }
 
     /*//////////////////////////////////////////////////////////////
@@ -99,6 +111,16 @@ contract CreatorTokenERC20 is Module, BeforeTransferCallbackERC20, ICreatorToken
         _setTransferValidator(validator);
     }
 
+    function hasRole(bytes32 role, address account) external view returns (bool) {
+        if (msg.sender != _creatorTokenStorage().transferValidator) {
+            revert NotTransferValidator();
+        }
+        if (role == DEFAULT_ACCESS_CONTROL_ADMIN_ROLE) {
+            return OwnableRoles(address(this)).hasAllRoles(account, Role._MANAGER_ROLE);
+        }
+        return OwnableRoles(address(this)).hasAllRoles(account, uint256(role));
+    }
+
     /*//////////////////////////////////////////////////////////////
                             INTERNAL FUNCTIONS
     //////////////////////////////////////////////////////////////*/

Diff for: test/module/transferable/CreatorTokenERC20.t.sol

@@ -33,6 +33,31 @@ contract TransferToken {
 
 }
 
+struct CollectionSecurityPolicyV3 {
+    bool disableAuthorizationMode;
+    bool authorizersCannotSetWildcardOperators;
+    uint8 transferSecurityLevel;
+    uint120 listId;
+    bool enableAccountFreezingMode;
+    uint16 tokenType;
+}
+
+interface CreatorTokenTransferValidator is ITransferValidator {
+
+    function setTransferSecurityLevelOfCollection(
+        address collection,
+        uint8 transferSecurityLevel,
+        bool isTransferRestricted,
+        bool isTransferWithRestrictedRecipient,
+        bool isTransferWithRestrictedToken
+    ) external;
+    function getCollectionSecurityPolicy(address collection)
+        external
+        view
+        returns (CollectionSecurityPolicyV3 memory);
+
+}
+
 contract CreatorTokenERC20Test is Test {
 
     ERC20Core public core;
@@ -43,7 +68,8 @@ contract CreatorTokenERC20Test is Test {
 
     TransferToken public transferTokenContract;
 
-    ITransferValidator public mockTransferValidator;
+    CreatorTokenTransferValidator public mockTransferValidator;
+    uint8 TRANSFER_SECURITY_LEVEL_SEVEN = 7;
 
     uint256 ownerPrivateKey = 1;
     address public owner;
@@ -120,7 +146,7 @@ contract CreatorTokenERC20Test is Test {
         vm.prank(owner);
         core.grantRoles(owner, Role._MINTER_ROLE);
 
-        mockTransferValidator = ITransferValidator(0x721C0078c2328597Ca70F5451ffF5A7B38D4E947);
+        mockTransferValidator = CreatorTokenTransferValidator(0x721C0078c2328597Ca70F5451ffF5A7B38D4E947);
         vm.etch(address(mockTransferValidator), TRANSFER_VALIDATOR_DEPLOYED_BYTECODE);
     }
 
@@ -176,7 +202,7 @@ contract CreatorTokenERC20Test is Test {
         }
         _mintToken();
 
-        assertEq(1, core.balanceOf(owner));
+        assertEq(100, core.balanceOf(owner));
 
         // set transfer validator
         vm.prank(owner);
@@ -192,6 +218,61 @@ contract CreatorTokenERC20Test is Test {
         assertEq(0, core.balanceOf(permissionedActor));
     }
 
+    /*///////////////////////////////////////////////////////////////
+                        Unit tests: `setTransferPolicy`
+    //////////////////////////////////////////////////////////////*/
+
+    function test_setTransferSecurityLevel() public {
+        if (evmVersionHash != keccak256(abi.encode('evm_version = "cancun"'))) {
+            //skip test if evm version is not cancun
+            return;
+        }
+
+        // set transfer validator
+        vm.prank(owner);
+        CreatorTokenERC20(address(core)).setTransferValidator(address(mockTransferValidator));
+
+        vm.prank(owner);
+        core.grantRoles(permissionedActor, Role._MANAGER_ROLE);
+
+        vm.prank(permissionedActor);
+        mockTransferValidator.setTransferSecurityLevelOfCollection(
+            address(core), TRANSFER_SECURITY_LEVEL_SEVEN, true, false, false
+        );
+
+        assertEq(
+            mockTransferValidator.getCollectionSecurityPolicy(address(core)).transferSecurityLevel,
+            TRANSFER_SECURITY_LEVEL_SEVEN
+        );
+    }
+
+    function test_revert_setTransferSecurityLevel() public {
+        if (evmVersionHash != keccak256(abi.encode('evm_version = "cancun"'))) {
+            //skip test if evm version is not cancun
+            return;
+        }
+        vm.prank(owner);
+        core.grantRoles(permissionedActor, Role._MANAGER_ROLE);
+
+        // revert due to msg.sender not being the transfer validator
+        vm.expectRevert();
+        vm.prank(permissionedActor);
+        mockTransferValidator.setTransferSecurityLevelOfCollection(
+            address(core), TRANSFER_SECURITY_LEVEL_SEVEN, true, false, false
+        );
+
+        // set transfer validator
+        vm.prank(owner);
+        CreatorTokenERC20(address(core)).setTransferValidator(address(mockTransferValidator));
+
+        // revert due to incorrect permissions
+        vm.prank(unpermissionedActor);
+        vm.expectRevert();
+        mockTransferValidator.setTransferSecurityLevelOfCollection(
+            address(core), TRANSFER_SECURITY_LEVEL_SEVEN, true, false, false
+        );
+    }
+
     function _mintToken() internal {
         address saleRecipient = address(0x987);