Move isFunctionRemoveAuthorizedAddress to test

packages/contracts/src/contracts/current/protocol/AssetProxyOwner/AssetProxyOwner.sol

@@ -39,7 +39,7 @@ contract AssetProxyOwner is
     modifier validRemoveAuthorizedAddressTx(uint256 transactionId) {
         Transaction storage tx = transactions[transactionId];
         require(isAssetProxyRegistered[tx.destination]);
-        require(isFunctionRemoveAuthorizedAddress(tx.data));
+        require(tx.data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_SELECTOR);
         _;
     }
 
@@ -95,17 +95,4 @@ contract AssetProxyOwner is
             tx.executed = false;
         }
     }
-
-    /// @dev Compares first 4 bytes of byte array to removeAuthorizedAddress function selector.
-    /// @param data Transaction data.
-    /// @return Successful if data is a call to removeAuthorizedAddress.
-    function isFunctionRemoveAuthorizedAddress(bytes memory data)
-        public
-        pure
-        returns (bool)
-    {
-        bytes4 first4Bytes = data.readBytes4(0);
-        require(REMOVE_AUTHORIZED_ADDRESS_SELECTOR == first4Bytes);
-        return true;
-    }
 }

packages/contracts/src/contracts/current/test/TestAssetProxyOwner/TestAssetProxyOwner.sol

@@ -0,0 +1,47 @@
+/*
+
+  Copyright 2018 ZeroEx Intl.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+*/
+
+pragma solidity ^0.4.24;
+
+import "../../protocol/AssetProxyOwner/AssetProxyOwner.sol";
+
+contract TestAssetProxyOwner is
+    AssetProxyOwner
+{
+    constructor(
+        address[] memory _owners,
+        address[] memory _assetProxyContracts,
+        uint256 _required,
+        uint256 _secondsTimeLocked
+    )
+        public
+        AssetProxyOwner(_owners, _assetProxyContracts, _required, _secondsTimeLocked)
+    {
+    }
+    
+    /// @dev Compares first 4 bytes of byte array to removeAuthorizedAddress function selector.
+    /// @param data Transaction data.
+    /// @return Successful if data is a call to removeAuthorizedAddress.
+    function isFunctionRemoveAuthorizedAddress(bytes memory data)
+        public
+        pure
+        returns (bool)
+    {
+        return data.readBytes4(0) == REMOVE_AUTHORIZED_ADDRESS_SELECTOR;
+    }
+}

packages/contracts/src/utils/artifacts.ts

@@ -13,6 +13,7 @@ import * as MultiSigWallet from '../artifacts/MultiSigWallet.json';
 import * as MultiSigWalletWithTimeLock from '../artifacts/MultiSigWalletWithTimeLock.json';
 import * as TestAssetDataDecoders from '../artifacts/TestAssetDataDecoders.json';
 import * as TestAssetProxyDispatcher from '../artifacts/TestAssetProxyDispatcher.json';
+import * as TestAssetProxyOwner from '../artifacts/TestAssetProxyOwner.json';
 import * as TestLibBytes from '../artifacts/TestLibBytes.json';
 import * as TestLibs from '../artifacts/TestLibs.json';
 import * as TestSignatureValidator from '../artifacts/TestSignatureValidator.json';
@@ -36,6 +37,7 @@ export const artifacts = {
     MixinAuthorizable: (MixinAuthorizable as any) as ContractArtifact,
     MultiSigWallet: (MultiSigWallet as any) as ContractArtifact,
     MultiSigWalletWithTimeLock: (MultiSigWalletWithTimeLock as any) as ContractArtifact,
+    TestAssetProxyOwner: (TestAssetProxyOwner as any) as ContractArtifact,
     TestAssetProxyDispatcher: (TestAssetProxyDispatcher as any) as ContractArtifact,
     TestAssetDataDecoders: (TestAssetDataDecoders as any) as ContractArtifact,
     TestLibBytes: (TestLibBytes as any) as ContractArtifact,