add dvm && dpp admin control

contracts/DODOVendingMachine/impl/DVM.sol

@@ -17,6 +17,10 @@ import {DVMFunding} from "./DVMFunding.sol";
 import {DVMVault} from "./DVMVault.sol";
 
 contract DVM is DVMTrader, DVMFunding {
+    constructor() public {
+        _FACTORY_ = msg.sender;
+    }
+
     function init(
         address owner,
         address maintainer,
@@ -29,7 +33,9 @@ contract DVM is DVMTrader, DVMFunding {
         uint256 i,
         uint256 k
     ) external {
+        require(msg.sender == _FACTORY_, 'INIT FORBIDDEN');
         initOwner(owner);
+        _ADMIN_ = owner;
         _BASE_TOKEN_ = IERC20(baseTokenAddress);
         _QUOTE_TOKEN_ = IERC20(quoteTokenAddress);
         _LP_FEE_RATE_MODEL_ = IFeeRateModel(lpFeeRateModel);

contracts/DODOVendingMachine/impl/DVMAdmin.sol

@@ -0,0 +1,50 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IDVM} from "../intf/IDVM.sol";
+import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
+
+contract DVMAdmin is InitializableOwnable {
+
+    address public dvm;
+
+    function init(address owner, address _dvm) external {
+        initOwner(owner);
+        dvm = _dvm;
+    }
+
+    function setLpFeeRateModel(address newLpFeeRateModel) external onlyOwner {
+        IDVM(dvm).setLpFeeRateModel(newLpFeeRateModel);
+    }
+
+    function setMtFeeRateModel(address newMtFeeRateModel) external onlyOwner {
+        IDVM(dvm).setMtFeeRateModel(newMtFeeRateModel);
+    }
+
+    function setTradePermissionManager(address newTradePermissionManager) external onlyOwner {
+        IDVM(dvm).setTradePermissionManager(newTradePermissionManager);
+    }
+
+    function setMaintainer(address newMaintainer) external onlyOwner {
+        IDVM(dvm).setMaintainer(newMaintainer);
+    }
+
+    function setGasPriceSource(address newGasPriceLimitSource) external onlyOwner {
+        IDVM(dvm).setGasPriceSource(newGasPriceLimitSource);
+    }
+
+    function setBuy(bool open) external onlyOwner {
+        IDVM(dvm).setBuy(open);
+    }
+
+    function setSell(bool open) external onlyOwner {
+        IDVM(dvm).setSell(open);
+    }
+}

contracts/DODOVendingMachine/impl/DVMStorage.sol

@@ -21,6 +21,9 @@ import {IERC20} from "../../intf/IERC20.sol";
 contract DVMStorage is InitializableOwnable, ReentrancyGuard {
     using SafeMath for uint256;
 
+    address public _FACTORY_;
+    address public _ADMIN_;
+
     // ============ Variables for Control ============
 
     IExternalValue public _GAS_PRICE_LIMIT_;

contracts/DODOVendingMachine/intf/IDVM.sol

@@ -33,4 +33,21 @@ interface IDVM {
     function sellQuote(address to) external returns (uint256);
 
     function buyShares(address to) external returns (uint256);
+
+
+    //=========== admin ==========
+    function setLpFeeRateModel(address newLpFeeRateModel) external;
+
+    function setMtFeeRateModel(address newMtFeeRateModel) external;
+
+    function setTradePermissionManager(address newTradePermissionManager) external;
+
+    function setMaintainer(address newMaintainer) external;
+
+    function setGasPriceSource(address newGasPriceLimitSource) external;
+
+    function setBuy(bool open) external;
+
+    function setSell(bool open) external;
+   //============================== 
 }

contracts/DODOVendingMachine/intf/IDVMAdmin.sol

@@ -0,0 +1,13 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+interface IDVMAdmin {
+    function init(address owner, address _dvm) external;
+}