add dodorecharge

contracts/DODOToken/DODORecharge.sol

@@ -0,0 +1,40 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity ^0.6.9;
+
+import {SafeERC20} from "../lib/SafeERC20.sol";
+import {IERC20} from "../intf/IERC20.sol";
+import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
+import {IDODOApproveProxy} from "../SmartRoute/DODOApproveProxy.sol";
+
+
+contract DODORecharge is InitializableOwnable {
+    using SafeERC20 for IERC20;
+
+    address immutable _DODO_TOKEN_;
+    address immutable _DODO_APPROVE_PROXY_;
+
+    event DeductionDODO(address user,uint256 _amount);
+    
+    constructor(address dodoAddress, address dodoApproveProxy) public {
+        _DODO_TOKEN_ = dodoAddress;
+        _DODO_APPROVE_PROXY_ = dodoApproveProxy;
+    }
+
+    function deductionDODO(uint256 amount) external {
+        IDODOApproveProxy(_DODO_APPROVE_PROXY_).claimTokens(_DODO_TOKEN_, msg.sender, address(this), amount);
+        emit DeductionDODO(msg.sender, amount);
+    }
+
+    // ============ Owner Functions ============
+    function claimToken(address token) public onlyOwner {
+        uint256 balance = IERC20(token).balanceOf(address(this));
+        require(balance>0,"no enough token can claim");
+        IERC20(token).safeTransfer(_OWNER_, balance);
+    }
+}