fix admin control && update proxy test framework

contracts/DODOVendingMachine/impl/DVM.sol

@@ -17,10 +17,6 @@ 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,
@@ -33,7 +29,6 @@ contract DVM is DVMTrader, DVMFunding {
         uint256 i,
         uint256 k
     ) external {
-        require(msg.sender == _FACTORY_, 'INIT FORBIDDEN');
         initOwner(owner);
         _ADMIN_ = owner;
         _BASE_TOKEN_ = IERC20(baseTokenAddress);

contracts/DODOVendingMachine/impl/DVMAdmin.sol

@@ -47,4 +47,9 @@ contract DVMAdmin is InitializableOwnable {
     function setSell(bool open) external onlyOwner {
         IDVM(dvm).setSell(open);
     }
+
+    // ============ Admin Version Control ============
+    function version() external pure returns (uint256) {
+        return 100; // 1.0.0
+    }
 }

contracts/DODOVendingMachine/impl/DVMStorage.sol

@@ -21,7 +21,6 @@ import {IERC20} from "../../intf/IERC20.sol";
 contract DVMStorage is InitializableOwnable, ReentrancyGuard {
     using SafeMath for uint256;
 
-    address public _FACTORY_;
     address public _ADMIN_;
 
     // ============ Variables for Control ============
@@ -63,8 +62,6 @@ contract DVMStorage is InitializableOwnable, ReentrancyGuard {
     uint256 public _I_;
 
     // ============ Setting Functions ============
-
-    //TODO: owner权限问题论证
     function setLpFeeRateModel(address newLpFeeRateModel) external onlyOwner {
         _LP_FEE_RATE_MODEL_ = IFeeRateModel(newLpFeeRateModel);
     }