From 4c7c79bb13639ebdbbc71d6174ef543992a4bd0c Mon Sep 17 00:00:00 2001
From: Sowmayjain <champ.sowmay@gmail.com>
Date: Thu, 25 Oct 2018 12:56:37 +0530
Subject: [PATCH] Integrated Kyber Network Protocol.

---
 .env.sample                       |  2 -
 contracts/MoatResolver.sol        |  2 +
 contracts/protocols/MoatKyber.sol | 99 ++++++++++++++++++++++++++++++-
 3 files changed, 99 insertions(+), 4 deletions(-)
 delete mode 100644 .env.sample

diff --git a/.env.sample b/.env.sample
deleted file mode 100644
index 98aee42..0000000
--- a/.env.sample
+++ /dev/null
@@ -1,2 +0,0 @@
-RINKEBY_PRIVATE_KEY="df7ebe6c9601adf4e911faac9da547686e6453a11cf13264d895fc2979a6bec2"
-ROPSTEN_PRIVATE_KEY="192f175c2f5e5a9437fdbc12043404763f96ccbcd6fc32b1d61dbb61e14e6f34"
\ No newline at end of file
diff --git a/contracts/MoatResolver.sol b/contracts/MoatResolver.sol
index ef993df..96a266e 100644
--- a/contracts/MoatResolver.sol
+++ b/contracts/MoatResolver.sol
@@ -1,3 +1,5 @@
+// Global Freeze Varaible
+
 // withdraw store the 0.5% on the contract itself and can be withdrawn by admin addresses
 // this is the logic contract - stores nothing
 // https://bitbucket.org/Sowmay/resolver-dex/src/master/contracts/MoatResolver.sol
\ No newline at end of file
diff --git a/contracts/protocols/MoatKyber.sol b/contracts/protocols/MoatKyber.sol
index fe2002c..e1ed964 100644
--- a/contracts/protocols/MoatKyber.sol
+++ b/contracts/protocols/MoatKyber.sol
@@ -1,2 +1,97 @@
-// Kyber Network Integration
-// https://github.com/cryptoPay-ETHSF/SmartContract/blob/master/CryptoPayRopsten.sol
\ No newline at end of file
+// IMPORTANT CHECK - how decimal works on tokens with less than 18 decimals and accordingly store in our MoatAsset DB
+
+pragma solidity ^0.4.24;
+
+interface token {
+    function approve(address spender, uint256 value) external returns (bool);
+    function transfer(address receiver, uint amount) external returns (bool);
+    function balanceOf(address who) external returns(uint256);
+}
+
+interface AddressRegistry {
+    function getAddr(string name) external returns(address);
+}
+
+interface Kyber {
+    function trade(
+        address src,
+        uint srcAmount,
+        address dest,
+        address destAddress,
+        uint maxDestAmount,
+        uint minConversionRate,
+        address walletId
+    ) external payable returns (uint);
+}
+
+
+contract Registry {
+
+    address public registryAddress;
+    modifier onlyResolver() {
+        require(
+            msg.sender == getAddress("resolver"),
+            "Permission Denied"
+        );
+        _;
+    }
+
+    function getAddress(string name) internal view returns(address addr) {
+        AddressRegistry aRegistry = AddressRegistry(registryAddress);
+        addr = aRegistry.getAddr(name);
+        require(addr != address(0), "Invalid Address");
+    }
+ 
+}
+
+
+contract KyberSwap is Registry {
+
+    event Swapped(address src, uint srcAmt, address dest, uint destAmt);
+
+    function executeTrade(
+        uint weiAmt,
+        address src,
+        address dest,
+        uint srcAmt,
+        uint slipRate,
+        address walletId
+    ) public onlyResolver returns (uint destAmt) 
+    {
+        Kyber kyberFunctions = Kyber(getAddress("kyber"));
+        destAmt = kyberFunctions.trade.value(weiAmt)(
+            src,
+            srcAmt,
+            dest,
+            getAddress("asset"),
+            2**256 - 1,
+            slipRate,
+            walletId
+        );
+        emit Swapped(
+            src,
+            srcAmt,
+            dest,
+            destAmt
+        );
+    }
+
+    function allowKyber(address[] tokenArr) public {
+        for (uint i = 0; i < tokenArr.length; i++) {
+            token tokenFunctions = token(tokenArr[i]);
+            tokenFunctions.approve(getAddress("kyber"), 2**256 - 1);
+        }
+    }
+
+}
+
+
+contract KyberInit is KyberSwap {
+
+    constructor(address rAddr) public {
+        registryAddress = rAddr;
+    }
+
+    function () public payable {}
+
+}
\ No newline at end of file