DODO Mine reward vault & reader

contracts/token/DODORewardVault.sol

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+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {Ownable} from "../lib/Ownable.sol";
+import {SafeERC20} from "../lib/SafeERC20.sol";
+import {IERC20} from "../intf/IERC20.sol";
+
+
+interface IDODORewardVault {
+    function reward(address to, uint256 amount) external;
+}
+
+
+contract DODORewardVault is Ownable {
+    using SafeERC20 for IERC20;
+
+    address public dodoToken;
+
+    constructor(address _dodoToken) public {
+        dodoToken = _dodoToken;
+    }
+
+    function reward(address to, uint256 amount) external onlyOwner {
+        IERC20(dodoToken).safeTransfer(to, amount);
+    }
+}