updated snx adapter

Author: sobolev-igor

contracts/adapters/SynthetixAdapter.sol

@@ -5,6 +5,17 @@ import { Adapter } from "./Adapter.sol";
 import { Component } from "../Structs.sol";
 
 
+/**
+ * @dev Proxy contract interface.
+ * Only the functions required for SynthetixAdapter contract are added.
+ * The Proxy contract is available here
+ * https://github.com/Synthetixio/synthetix/blob/master/contracts/Proxy.sol.
+ */
+interface Proxy {
+    function target() external view returns (address);
+}
+
+
 /**
  * @dev Synthetix contract interface.
  * Only the functions required for SynthetixAdapter contract are added.
@@ -25,8 +36,8 @@ interface Synthetix {
  */
 contract SynthetixAdapter is Adapter {
 
-    address internal constant SNX = 0x153C3148A0a285A6f9F6d1996E1348832249bF7e;
-    address internal constant SUSD = 0x2A020C1ad728f1C12735bC4877CEECa4491A4a3D;
+    address internal constant SNX = 0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F;
+    address internal constant SUSD = 0x57Ab1ec28D129707052df4dF418D58a2D46d5f51;
 
     /**
      * @return Name of the protocol.
@@ -41,7 +52,7 @@ contract SynthetixAdapter is Adapter {
      * @dev Implementation of Adapter function.
      */
     function getAssetAmount(address asset, address user) external view override returns (int256) {
-        Synthetix synthetix = Synthetix(SNX);
+        Synthetix synthetix = Synthetix(Proxy(SNX).target());
         if (asset == SNX) {
             return int256(synthetix.balanceOf(user) - synthetix.transferableSynthetix(user));
         } else if (asset == SUSD) {

migrations_scripts/1_deploy_registry_and_all_adapters.js

@@ -23,7 +23,7 @@ module.exports = (deployer, network, accounts) => {
   const mkrAddress = '0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2';
   const manaAddress = '0x0F5D2fB29fb7d3CFeE444a200298f468908cC942';
   const zrxAddress = '0xE41d2489571d322189246DaFA5ebDe1F4699F498';
-  const snxProxyAddress = '0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F';
+  const snxAddress = '0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F';
   const wbtcAddress = '0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599';
 
   const cDAIAddress = '0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643';
@@ -41,8 +41,6 @@ module.exports = (deployer, network, accounts) => {
 
   const saiAddress = '0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359';
 
-  const snxAddress = '0x7cB89c509001D25dA9938999ABFeA6740212E5f0';
-
   const aaveAdapterAssets = [
     daiAddress,
     tusdAddress,

test/SynthetixAdapter.js

@@ -2,8 +2,8 @@ const AdapterRegistry = artifacts.require('./AdapterRegistry');
 const SynthetixAdapter = artifacts.require('./SynthetixAdapter');
 
 contract('SynthetixAdapter', () => {
-  const snxAddress = '0x153C3148A0a285A6f9F6d1996E1348832249bF7e';
-  const susdAddress = '0x2A020C1ad728f1C12735bC4877CEECa4491A4a3D';
+  const snxAddress = '0xC011a73ee8576Fb46F5E1c5751cA3B9Fe0af2a6F';
+  const susdAddress = '0x57Ab1ec28D129707052df4dF418D58a2D46d5f51';
   const testAddress = '0xa5f7a39e55d7878bc5bd754ee5d6bd7a7662355b';
   const incorrectAsset = '0x1C83501478f1320977047008496DACBD60Bb15ef';