init test env

contracts/DODOVendorMachine/impl/DVMStorage.sol

@@ -0,0 +1,75 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
+import {ReentrancyGuard} from "../../lib/ReentrancyGuard.sol";
+import {SafeMath} from "../../lib/SafeMath.sol";
+import {DODOMath} from "../../lib/DODOMath.sol";
+import {DecimalMath} from "../../lib/DecimalMath.sol";
+import {PermissionManager} from "../../lib/PermissionManager.sol";
+import {IFeeRateModel} from "../../intf/IFeeRateModel.sol";
+import {DVMVault} from "./DVMVault.sol";
+
+contract DVMStorage is InitializableOwnable, ReentrancyGuard {
+    using SafeMath for uint256;
+
+    // ============ Variables for Control ============
+
+    bool public _CLOSED_;
+    uint256 public _GAS_PRICE_LIMIT_;
+
+    // ============ Advanced Controls ============
+
+    bool public _BUYING_ALLOWED_;
+    bool public _SELLING_ALLOWED_;
+
+    PermissionManager public _TRADE_PERMISSION_;
+    PermissionManager public _FUNDING_PERMISSION_;
+
+    // ============ Core Address ============
+
+    address public _MAINTAINER_; // collect maintainer fee
+
+    address public _BASE_TOKEN_;
+    address public _QUOTE_TOKEN_;
+
+    // ============ Variables for Pricing ============
+
+    IFeeRateModel public _LP_FEE_RATE_MODEL_;
+    IFeeRateModel public _MT_FEE_RATE_MODEL_;
+    uint256 public _K_;
+    uint256 public _I_;
+    uint256 public _BASE0_;
+
+    DVMVault public _VAULT_;
+    DVMVault public _PROTECTION_VAULT_;
+
+    // ============ Modifiers ============
+
+    modifier notClosed() {
+        require(!_CLOSED_, "DODO_CLOSED");
+        _;
+    }
+
+    // ============ Helper Functions ============
+    function _updateBase0() internal {
+        uint256 fairAmount = DecimalMath.divFloor(_VAULT_._QUOTE_RESERVE_(), _I_);
+        _BASE0_ = DODOMath._SolveQuadraticFunctionForTarget(
+            _VAULT_._BASE_RESERVE_(),
+            _K_,
+            fairAmount
+        );
+    }
+
+    // ============ Version Control ============
+    function version() external pure returns (uint256) {
+        return 101; // 1.0.1
+    }
+}