Removed receiverData from ERC721 Proxy Id generation

4 files changed, 6 insertions, 8 deletions

diff --git a/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol
index eadeaf5ba..cb0ed5422 100644
--- a/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol
+++ b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol
@@ -40,7 +40,7 @@ contract MixinForwarderCore is
     MForwarderCore
 {
     bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256("ERC20Token(address)"));
-    bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256("ERC721Token(address,uint256,bytes)"));
+    bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256("ERC721Token(address,uint256)"));
     uint256 constant internal MAX_UINT = 2**256 - 1;
 
     constructor ()
diff --git a/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol b/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol
index 6c49330f2..bebfc976b 100644
--- a/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol
+++ b/packages/contracts/src/2.0.0/forwarder/MixinTransfer.sol
@@ -109,12 +109,10 @@ contract MixinTransfer is
         // Decode asset data.
         address token = assetData.readAddress(16);
         uint256 tokenId = assetData.readUint256(36);
-        bytes memory receiverData = assetData.readBytesWithLength(100);
-        IERC721Token(token).safeTransferFrom(
+        IERC721Token(token).transferFrom(
             address(this),
             to,
-            tokenId,
-            receiverData
+            tokenId
         );
     }
 }
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
index a56c41adb..53f5a14e0 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
+++ b/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
@@ -26,7 +26,7 @@ contract ERC721Proxy is
     MixinAuthorizable
 {
     // Id of this proxy.
-    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC721Token(address,uint256,bytes)"));
+    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC721Token(address,uint256)"));
 
     // solhint-disable-next-line payable-fallback
     function () 
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index 281f3bf27..1a24ee0b6 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -377,9 +377,9 @@ describe('Asset Transfer Proxies', () => {
             });
         });
 
-        it('should have an id of 0x08e937fa', async () => {
+        it('should have an id of 0x02571792', async () => {
             const proxyId = await erc721Proxy.getProxyId.callAsync();
-            const expectedProxyId = '0x08e937fa';
+            const expectedProxyId = '0x02571792';
             expect(proxyId).to.equal(expectedProxyId);
         });
     });