add dvm && dpp admin control

contracts/DODOPrivatePool/impl/DPP.sol

@@ -15,7 +15,6 @@ import {IERC20} from "../../intf/IERC20.sol";
 import {DPPTrader} from "./DPPTrader.sol";
 
 contract DPP is DPPTrader {
-
     constructor() public {
         _FACTORY_ = msg.sender;
     }
@@ -34,6 +33,7 @@ contract DPP is DPPTrader {
     ) external {
         require(msg.sender == _FACTORY_, 'INIT FORBIDDEN');
         initOwner(owner);
+        _ADMIN_ = owner;
         _MAINTAINER_ = maintainer;
         _BASE_TOKEN_ = IERC20(baseTokenAddress);
         _QUOTE_TOKEN_ = IERC20(quoteTokenAddress);

contracts/DODOPrivatePool/impl/DPPAdmin.sol

@@ -0,0 +1,58 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IDPP} from "../intf/IDPP.sol";
+import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
+
+contract DPPAdmin is InitializableOwnable {
+
+    address public dpp;
+
+    function init(address owner, address _dpp) external {
+        initOwner(owner);
+        dpp = _dpp;
+    }
+
+    function setLpFeeRateModel(address newLpFeeRateModel) external onlyOwner {
+        IDPP(dpp).setLpFeeRateModel(newLpFeeRateModel);
+    }
+
+    function setMtFeeRateModel(address newMtFeeRateModel) external onlyOwner {
+        IDPP(dpp).setMtFeeRateModel(newMtFeeRateModel);
+    }
+
+    function setTradePermissionManager(address newTradePermissionManager) external onlyOwner {
+        IDPP(dpp).setTradePermissionManager(newTradePermissionManager);
+    }
+
+    function setMaintainer(address newMaintainer) external onlyOwner {
+        IDPP(dpp).setMaintainer(newMaintainer);
+    }
+
+    function setGasPriceSource(address newGasPriceLimitSource) external onlyOwner {
+        IDPP(dpp).setGasPriceSource(newGasPriceLimitSource);
+    }
+
+    function setISource(address newISource) external onlyOwner {
+        IDPP(dpp).setISource(newISource);
+    }
+
+    function setKSource(address newKSource) external onlyOwner {
+        IDPP(dpp).setKSource(newKSource);
+    }
+
+    function setBuy(bool open) external onlyOwner {
+        IDPP(dpp).setBuy(open);
+    }
+
+    function setSell(bool open) external onlyOwner {
+        IDPP(dpp).setSell(open);
+    }
+}

contracts/DODOPrivatePool/impl/DPPStorage.sol

@@ -28,6 +28,7 @@ contract DPPStorage is InitializableOwnable, ReentrancyGuard {
     using SafeMath for uint256;
 
     address public _FACTORY_;
+    address public _ADMIN_;
 
     // ============ Variables for Control ============