From bd3ebe6ea11112d4dc020215922710e0b888d25c Mon Sep 17 00:00:00 2001
From: Mubaris NK <mubaris@instadapp.io>
Date: Sun, 11 Apr 2021 22:23:42 +0530
Subject: [PATCH] Finish senders

---
 contracts/senders/aave-v2-migrator/events.sol     | 15 ++++++++++-----
 contracts/senders/aave-v2-migrator/interfaces.sol |  4 ++++
 contracts/senders/aave-v2-migrator/main.sol       |  8 ++++++--
 contracts/senders/aave-v2-migrator/variables.sol  |  9 ++++++++-
 4 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/contracts/senders/aave-v2-migrator/events.sol b/contracts/senders/aave-v2-migrator/events.sol
index b59e0fd..59f2c47 100644
--- a/contracts/senders/aave-v2-migrator/events.sol
+++ b/contracts/senders/aave-v2-migrator/events.sol
@@ -5,13 +5,18 @@ contract Events {
     event LogDeposit(
         address owner,
         address[] tokens,
-        uint[] amts
+        uint256[] amts
     );
 
     event LogWithdraw(
         address owner,
         address[] tokens,
-        uint[] amts
+        uint256[] amts
+    );
+
+    event LogSettle(
+        address[] tokens,
+        uint256[] amts
     );
 
     event LogAaveV2Migrate(
@@ -19,9 +24,9 @@ contract Events {
         address indexed targetDsa,
         address[] supplyTokens,
         address[] borrowTokens,
-        uint[] supplyAmts,
-        uint[] variableBorrowAmts,
-        uint[] stableBorrowAmts
+        uint256[] supplyAmts,
+        uint256[] variableBorrowAmts,
+        uint256[] stableBorrowAmts
     );
 
     event LogUpdateVariables(
diff --git a/contracts/senders/aave-v2-migrator/interfaces.sol b/contracts/senders/aave-v2-migrator/interfaces.sol
index a8e40cb..7028509 100644
--- a/contracts/senders/aave-v2-migrator/interfaces.sol
+++ b/contracts/senders/aave-v2-migrator/interfaces.sol
@@ -107,4 +107,8 @@ interface IndexInterface {
 
 interface FlashloanInterface {
     function initiateFlashLoan(bytes memory data, uint ethAmt) external;
+}
+
+interface RootChainManagerInterface {
+    function depositFor(address user, address token, bytes calldata depositData) external;
 }
\ No newline at end of file
diff --git a/contracts/senders/aave-v2-migrator/main.sol b/contracts/senders/aave-v2-migrator/main.sol
index d6319fb..3c81c3e 100644
--- a/contracts/senders/aave-v2-migrator/main.sol
+++ b/contracts/senders/aave-v2-migrator/main.sol
@@ -173,12 +173,16 @@ contract LiquidityResolver is Helpers, Events {
             }
         }
         for (uint i = 0; i < _tokens.length; i++) {
+            address _token = _tokens[i] == ethAddr ? wethAddr : _tokens[i];
             aave.withdraw(_token, _amts[i], address(this));
-            // TODO: transfer to polygon's receiver address "polygonReceiver"
+            // TODO: Verify this
+            IERC20(_token).safeApprove(erc20Predicate, _amts[i]);
+            rootChainManager.depositFor(polygonReceiver, _token, abi.encode(_amts[i]));
+
             isPositionSafe();
         }
+        emit LogSettle(_tokens, _amts);
     }
-    // TODO: emit event
 }
 
 contract MigrateResolver is LiquidityResolver {
diff --git a/contracts/senders/aave-v2-migrator/variables.sol b/contracts/senders/aave-v2-migrator/variables.sol
index 83bdd8c..0668ca4 100644
--- a/contracts/senders/aave-v2-migrator/variables.sol
+++ b/contracts/senders/aave-v2-migrator/variables.sol
@@ -6,7 +6,8 @@ import {
     AaveOracleInterface,
     StateSenderInterface,
     IndexInterface,
-    FlashloanInterface
+    FlashloanInterface,
+    RootChainManagerInterface
 } from "./interfaces.sol";
 
 contract Variables {
@@ -35,6 +36,7 @@ contract Variables {
 
     address constant internal polygonReceiver = address(0); // TODO: Replace this
     FlashloanInterface constant internal flashloanContract = FlashloanInterface(address(0)); // TODO: Replace this
+    address constant internal erc20Predicate = 0x40ec5B33f54e0E8A33A975908C5BA1c14e5BbbDf;
 
     // This will be used to have debt/collateral ratio always 20% less than liquidation
     // TODO: Is this number correct for it?
@@ -69,4 +71,9 @@ contract Variables {
     // InstaIndex Address.
     IndexInterface public constant instaIndex = IndexInterface(0x2971AdFa57b20E5a416aE5a708A8655A9c74f723);
 
+    /**
+     * Polygon deposit bridge
+     */
+    RootChainManagerInterface public constant rootChainManager = RootChainManagerInterface(0xA0c68C638235ee32657e8f720a23ceC1bFc77C77);
+
 }
\ No newline at end of file