restruct contract repo

contracts/intf/IDODO.sol

@@ -1,67 +0,0 @@
-/*
-
-    Copyright 2020 DODO ZOO.
-    SPDX-License-Identifier: Apache-2.0
-
-*/
-
-pragma solidity 0.6.9;
-pragma experimental ABIEncoderV2;
-
-
-interface IDODO {
-    function init(
-        address owner,
-        address supervisor,
-        address maintainer,
-        address baseToken,
-        address quoteToken,
-        address oracle,
-        uint256 lpFeeRate,
-        uint256 mtFeeRate,
-        uint256 k,
-        uint256 gasPriceLimit
-    ) external;
-
-    function transferOwnership(address newOwner) external;
-
-    function claimOwnership() external;
-
-    function sellBaseToken(
-        uint256 amount,
-        uint256 minReceiveQuote,
-        bytes calldata data
-    ) external returns (uint256);
-
-    function buyBaseToken(
-        uint256 amount,
-        uint256 maxPayQuote,
-        bytes calldata data
-    ) external returns (uint256);
-
-    function querySellBaseToken(uint256 amount) external view returns (uint256 receiveQuote);
-
-    function queryBuyBaseToken(uint256 amount) external view returns (uint256 payQuote);
-
-    function getExpectedTarget() external view returns (uint256 baseTarget, uint256 quoteTarget);
-
-    function depositBaseTo(address to, uint256 amount) external returns (uint256);
-
-    function withdrawBase(uint256 amount) external returns (uint256);
-
-    function withdrawAllBase() external returns (uint256);
-
-    function depositQuoteTo(address to, uint256 amount) external returns (uint256);
-
-    function withdrawQuote(uint256 amount) external returns (uint256);
-
-    function withdrawAllQuote() external returns (uint256);
-
-    function _BASE_CAPITAL_TOKEN_() external view returns (address);
-
-    function _QUOTE_CAPITAL_TOKEN_() external view returns (address);
-
-    function _BASE_TOKEN_() external returns (address);
-
-    function _QUOTE_TOKEN_() external returns (address);
-}

contracts/intf/IDODOCallee.sol

@@ -1,18 +0,0 @@
-/*
-
-    Copyright 2020 DODO ZOO.
-    SPDX-License-Identifier: Apache-2.0
-
-*/
-
-pragma solidity 0.6.9;
-pragma experimental ABIEncoderV2;
-
-interface IDODOCallee {
-    function dodoCall(
-        bool isBuyBaseToken,
-        uint256 baseAmount,
-        uint256 quoteAmount,
-        bytes calldata data
-    ) external;
-}

contracts/intf/IDODOLpToken.sol

@@ -1,20 +0,0 @@
-/*
-
-    Copyright 2020 DODO ZOO.
-    SPDX-License-Identifier: Apache-2.0
-
-*/
-
-pragma solidity ^0.6.9;
-pragma experimental ABIEncoderV2;
-
-
-interface IDODOLpToken {
-    function mint(address user, uint256 value) external;
-
-    function burn(address user, uint256 value) external;
-
-    function balanceOf(address owner) external view returns (uint256);
-
-    function totalSupply() external view returns (uint256);
-}

contracts/intf/IERC20.sol

@@ -17,6 +17,8 @@ interface IERC20 {
 
     function name() external view returns (string memory);
 
+    function symbol() external view returns (string memory);
+
     /**
      * @dev Returns the amount of tokens owned by `account`.
      */

contracts/intf/IFeeRateModel.sol

@@ -0,0 +1,14 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+
+interface IFeeRateModel {
+    function getFeeRate(uint256 amount) external view returns (uint256);
+}

contracts/intf/IVault.sol

@@ -0,0 +1,15 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+interface IBasicVault {
+  function controller() external view returns(address);
+  function getReserve(address token) external view returns(address);
+  function transferOut(address token, address to, uint256 amount) external;
+}