[Hebao_1.1] add AddOfficialGuardianModule

packages/hebao_v1/contracts/modules/aux/AddOfficialGuardianModule.sol

@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2017 Loopring Technology Limited.
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+import "../../base/BaseWallet.sol";
+import "../../stores/SecurityStore.sol";
+import "../base/BaseModule.sol";
+
+
+/// @title AddOfficialGuardianModule
+/// @dev This module adds the official guardian to a wallet and removes itself
+///      from the module list.
+///
+/// @author Daniel Wang - <[email protected]>
+contract AddOfficialGuardianModule is BaseModule {
+    ControllerImpl private controller_;
+    address        public  officialGuardian;
+    uint           public  officialGuardianGroup;
+
+    constructor(
+        ControllerImpl   _controller,
+        address          _officialGuardian,
+        uint             _officialGuardianGroup
+        )
+    {
+        controller_ = _controller;
+        officialGuardian = _officialGuardian;
+        officialGuardianGroup = _officialGuardianGroup;
+    }
+
+    function controller()
+        internal
+        view
+        override
+        returns(ControllerImpl)
+    {
+        return ControllerImpl(controller_);
+    }
+
+    function bindableMethods()
+        public
+        pure
+        override
+        returns (bytes4[] memory methods)
+    {
+    }
+
+    function activate()
+        external
+        override
+    {
+        address payable wallet = msg.sender;
+
+        SecurityStore ss = controller().securityStore();
+        require(
+            ss.numGuardiansWithPending(wallet) == 0,
+            "NOT_THE_FIRST_GUARDIAN"
+        );
+
+        ss.addGuardian(
+            wallet,
+            officialGuardian,
+            officialGuardianGroup,
+            block.timestamp
+        );
+
+        BaseWallet(wallet).removeModule(address(this));
+    }
+}