From 9cab034448c67a69dd2bb72c36afc429943cb106 Mon Sep 17 00:00:00 2001
From: Lawrence Forman <me@merklejerk.com>
Date: Mon, 1 Jun 2020 15:14:45 -0400
Subject: [PATCH] `@0x/migrations`: Use new `ContractAddresses` type.

---
 packages/migrations/CHANGELOG.json   |  4 +++
 packages/migrations/src/migration.ts | 46 ++++++++++++++++------------
 2 files changed, 31 insertions(+), 19 deletions(-)

diff --git a/packages/migrations/CHANGELOG.json b/packages/migrations/CHANGELOG.json
index 7b684c83d1..eecbc63a11 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -13,6 +13,10 @@
             {
                 "note": "Added `UniswapV2Bridge` address on Mainnet",
                 "pr": 2599
+            },
+            {
+                "note": "Return emtpy Exchange Proxy addresses",
+                "pr": 2591
             }
         ]
     },
diff --git a/packages/migrations/src/migration.ts b/packages/migrations/src/migration.ts
index 94561d79bf..edeb62ec7e 100644
--- a/packages/migrations/src/migration.ts
+++ b/packages/migrations/src/migration.ts
@@ -49,6 +49,8 @@ const allArtifacts = {
     ...erc20BridgeSamplerArtifacts,
 };
 
+const { NULL_ADDRESS } = constants;
+
 /**
  * Creates and deploys all the contracts that are required for the latest
  * version of the 0x protocol.
@@ -202,8 +204,8 @@ export async function runMigrationsAsync(
         txDefaults,
         allArtifacts,
         exchange.address,
-        constants.NULL_ADDRESS,
-        constants.NULL_ADDRESS,
+        NULL_ADDRESS,
+        NULL_ADDRESS,
     );
 
     // tslint:disable-next-line:no-unused-variable
@@ -278,7 +280,7 @@ export async function runMigrationsAsync(
         txDefaults,
         allArtifacts,
         exchange.address,
-        exchangeV2Address || constants.NULL_ADDRESS,
+        exchangeV2Address || NULL_ADDRESS,
         etherToken.address,
     );
 
@@ -297,33 +299,39 @@ export async function runMigrationsAsync(
         zrxToken: zrxToken.address,
         etherToken: etherToken.address,
         exchange: exchange.address,
-        assetProxyOwner: constants.NULL_ADDRESS,
+        assetProxyOwner: NULL_ADDRESS,
         erc20BridgeProxy: erc20BridgeProxy.address,
-        zeroExGovernor: constants.NULL_ADDRESS,
+        zeroExGovernor: NULL_ADDRESS,
         forwarder: forwarder.address,
         coordinatorRegistry: coordinatorRegistry.address,
         coordinator: coordinator.address,
         multiAssetProxy: multiAssetProxy.address,
         staticCallProxy: staticCallProxy.address,
         devUtils: devUtils.address,
-        exchangeV2: exchangeV2Address || constants.NULL_ADDRESS,
+        exchangeV2: exchangeV2Address || NULL_ADDRESS,
         zrxVault: zrxVault.address,
         staking: stakingLogic.address,
         stakingProxy: stakingProxy.address,
-        uniswapBridge: constants.NULL_ADDRESS,
-        uniswapV2Bridge: constants.NULL_ADDRESS,
-        eth2DaiBridge: constants.NULL_ADDRESS,
-        kyberBridge: constants.NULL_ADDRESS,
+        uniswapBridge: NULL_ADDRESS,
+        eth2DaiBridge: NULL_ADDRESS,
+        kyberBridge: NULL_ADDRESS,
         erc20BridgeSampler: erc20BridgeSampler.address,
-        chaiBridge: constants.NULL_ADDRESS,
-        dydxBridge: constants.NULL_ADDRESS,
-        curveBridge: constants.NULL_ADDRESS,
-        godsUnchainedValidator: constants.NULL_ADDRESS,
-        broker: constants.NULL_ADDRESS,
-        chainlinkStopLimit: constants.NULL_ADDRESS,
-        maximumGasPrice: constants.NULL_ADDRESS,
-        dexForwarderBridge: constants.NULL_ADDRESS,
-        multiBridge: constants.NULL_ADDRESS,
+        chaiBridge: NULL_ADDRESS,
+        dydxBridge: NULL_ADDRESS,
+        curveBridge: NULL_ADDRESS,
+        godsUnchainedValidator: NULL_ADDRESS,
+        broker: NULL_ADDRESS,
+        chainlinkStopLimit: NULL_ADDRESS,
+        maximumGasPrice: NULL_ADDRESS,
+        dexForwarderBridge: NULL_ADDRESS,
+        multiBridge: NULL_ADDRESS,
+        exchangeProxy: NULL_ADDRESS,
+        exchangeProxyAllowanceTarget: NULL_ADDRESS,
+        transformers: {
+            wethTransformer: NULL_ADDRESS,
+            payTakerTransformer: NULL_ADDRESS,
+            fillQuoteTransformer: NULL_ADDRESS,
+        },
     };
     return contractAddresses;
 }