add cp event && smartroute helper fix

contracts/SmartRoute/helper/DODOV1PmmHelper.sol

@@ -0,0 +1,46 @@
+/*
+
+    Copyright 2020 DODO ZOO.
+    SPDX-License-Identifier: Apache-2.0
+
+*/
+
+pragma solidity 0.6.9;
+pragma experimental ABIEncoderV2;
+
+import {IDODOV1} from "../intf/IDODOV1.sol";
+
+contract DODOV1PmmHelper {
+    
+    struct PairDetail {
+        uint256 i;
+        uint256 K;
+        uint256 B;
+        uint256 Q;
+        uint256 B0;
+        uint256 Q0;
+        uint256 R;
+        uint256 lpFeeRate;
+        uint256 mtFeeRate;
+        address baseToken;
+        address quoteToken;
+        address curPair;
+        uint256 pairVersion;
+    }
+
+    function getPairDetail(address pool) external view returns (PairDetail[] memory res) {
+        res = new PairDetail[](1);
+        PairDetail memory curRes = PairDetail(0,0,0,0,0,0,0,0,0,address(0),address(0),pool,1);
+        curRes.i = IDODOV1(pool).getOraclePrice();
+        curRes.K = IDODOV1(pool)._K_();
+        curRes.B = IDODOV1(pool)._BASE_BALANCE_();
+        curRes.Q = IDODOV1(pool)._QUOTE_BALANCE_();
+        (curRes.B0,curRes.Q0) = IDODOV1(pool).getExpectedTarget();
+        curRes.R = IDODOV1(pool)._R_STATUS_();
+        curRes.lpFeeRate = IDODOV1(pool)._LP_FEE_RATE_();
+        curRes.mtFeeRate = IDODOV1(pool)._MT_FEE_RATE_();
+        curRes.baseToken = IDODOV1(pool)._BASE_TOKEN_();
+        curRes.quoteToken =  IDODOV1(pool)._QUOTE_TOKEN_();
+        res[0] = curRes;
+    }
+}

contracts/SmartRoute/helper/DODOV2RouteHelper.sol

@@ -27,6 +27,7 @@ contract DODOV2RouteHelper {
         address baseToken;
         address quoteToken;
         address curPair;
+        uint256 pairVersion;
     }
 
     constructor(address dvmFactory,address dppFactory) public {
@@ -40,7 +41,7 @@ contract DODOV2RouteHelper {
         uint256 len = baseToken0DVM.length + baseToken1DVM.length + baseToken0DPP.length + baseToken1DPP.length;
         res = new PairDetail[](len);
         for(uint8 i = 0; i < len; i++) {
-            PairDetail memory curRes = PairDetail(0,0,0,0,0,0,0,0,0,address(0),address(0),address(0));
+            PairDetail memory curRes = PairDetail(0,0,0,0,0,0,0,0,0,address(0),address(0),address(0),2);
             address cur;
             if(i < baseToken0DVM.length) {
                 cur = baseToken0DVM[i];