update cp quota

contracts/DODOFee/vDODOQuota.sol

@@ -0,0 +1,34 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+import {IERC20} from "../intf/IERC20.sol";
+import {SafeMath} from "../lib/SafeMath.sol";
+
+
+contract vDODOQuota is InitializableOwnable {
+    using SafeMath for uint256;
+    address public immutable _VDODO_TOKEN_;
+    uint256 public _QUOTA_RATIO_;
+    uint256 public _BASE_QUOTA_;
+
+    constructor(address vdodoToken) public {
+        _VDODO_TOKEN_ = vdodoToken;
+    }
+
+    function setParams(uint256 quotaRatio, uint256 baseQuota) external onlyOwner {
+        _QUOTA_RATIO_ = quotaRatio;
+        _BASE_QUOTA_ = baseQuota;
+    }
+
+    function getUserQuota(address user) external view returns (int) {
+        uint256 vDODOAmount = IERC20(_VDODO_TOKEN_).balanceOf(user);
+        return int(vDODOAmount.div(_QUOTA_RATIO_).add(_BASE_QUOTA_));
+    }
+}