add gamebitAdapter

config/arb-config.js

@@ -29,7 +29,7 @@ module.exports = {
         DPP: "0xFF83897590Ac2f48aDFdEb9f497fe68A34B893C0",
         DSP: "0xD0751f77d36aDaBA0067a151a8cF11475880c874",
         DPPAdmin: "0x1dc8D1f1600B7C1D39e6b60FBC7b021Bc4F9C993",
-        CP: "0xC39EE45A98d16D4587bB60596a22973b5d71AA3a",
+        CP: "0xa6E6d3a0CBDDf00a374860bb0F5Da6CF6c905e80",
         ERC20MineV2: "0xe91067189C71dB0696bD6fBC14535CB159F98b5C",
         ERC20MineV3: "0x973CAB76C35BB1da47e044A63546c69A8Ac1143c",
         ERC20: "0xBb245F54569841906eC7eDFFf72a910557B81378",

contracts/SmartRoute/adapter/GambitAdapter.sol

@@ -0,0 +1,28 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+
+import {IGambit} from "../intf/IGambit.sol";
+import {IDODOAdapter} from "../intf/IDODOAdapter.sol";
+
+contract GambitAdapter is IDODOAdapter {
+
+    function _gambitSwap(address to, address pool, bytes memory moreInfo) internal {
+        (address tokenIn, address tokenOut) = abi.decode(moreInfo, (address, address));
+
+        IGambit(pool).swap(tokenIn, tokenOut, to);
+    }
+
+    function sellBase(address to, address pool, bytes memory moreInfo) external override {
+        _gambitSwap(to, pool, moreInfo);
+    }
+
+    function sellQuote(address to, address pool, bytes memory moreInfo) external override {
+        _gambitSwap(to, pool, moreInfo);
+    }
+}

contracts/SmartRoute/intf/IGambit.sol

@@ -0,0 +1,6 @@
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+interface IGambit {
+    function swap(address _tokenIn, address _tokenOut, address _receiver) external returns (uint256);
+}